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Author SHA1 Message Date
Leonid Bugaev a940bad19e Updates 2021-05-17 18:07:39 +00:00
Leonid Bugaev 32c005a63d Add handling for out of order packets 2021-05-03 21:41:11 +03:00
Leonid Bugaev c7d04738c1 Do not use empty bpf filter when tracking response
Should have way better performance, and can fix a few bugs
2021-05-03 14:34:29 +03:00
Leonid Bugaev 01f5a1c9b5 Remove variable ticker functionality
Too smart, and can cause to unexpected errors.
2021-05-02 21:29:12 +03:00
Leonid Bugaev c641e62786 Fix comment 2021-05-02 21:17:26 +03:00
Leonid Bugaev fcad7155f2 Refactoring/renaming 2021-05-02 21:14:46 +03:00
Leonid Bugaev 257d4d36bd Refactoring 2021-04-29 18:49:56 +03:00
Urban Ishimwe 6cb06f97ca global message timer 2021-04-25 21:05:09 +02:00
Urban Ishimwe 007dcb40c9 fix hasChunked 2021-04-11 23:22:30 +02:00
53 changed files with 1296 additions and 3190 deletions
+1 -1
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@@ -4,7 +4,7 @@ jobs:
test:
strategy:
matrix:
go-version: [1.15.x, 1.16.x] # two latest minor versions
go-version: [1.14.x, 1.15.x] # two latest minor versions
runs-on: ubuntu-latest
steps:
- name: update package index
+1 -5
View File
@@ -1,14 +1,10 @@
vendor
*.swp
*.gor
*.rpm
*.dep
*.deb
*.pkg
*.exe
*.pprof
*.out
hey
*.bin
+18 -18
View File
@@ -2,7 +2,7 @@ END-USER LICENSE AGREEMENT
------------------------------------------------------------------------------
IMPORTANT: THIS SOFTWARE END-USER LICENSE AGREEMENT ("EULA") IS A LEGAL AGREEMENT (“Agreement”) BETWEEN YOU (THE CUSTOMER, EITHER AS AN INDIVIDUAL OR, IF PURCHASED OR OTHERWISE ACQUIRED BY OR FOR AN ENTITY, AS AN ENTITY), hereafter "Customer", AND Leonid Bugaev ("Licensor"). READ IT CAREFULLY BEFORE COMPLETING THE INSTALLATION PROCESS AND USING GOREPLAY PRO AND RELATED SOFTWARE COMPONENTS (“SOFTWARE”). IT PROVIDES A LICENSE TO USE THE SOFTWARE AND CONTAINS WARRANTY INFORMATION AND LIABILITY DISCLAIMERS. BY INSTALLING AND USING THE SOFTWARE, YOU ARE CONFIRMING YOUR ACCEPTANCE OF THE SOFTWARE AND AGREEING TO BECOME BOUND BY THE TERMS OF THIS AGREEMENT.
IMPORTANT: THIS SOFTWARE END-USER LICENSE AGREEMENT ("EULA") IS A LEGAL AGREEMENT (“Agreement”) BETWEEN YOU (THE CUSTOMER, EITHER AS AN INDIVIDUAL OR, IF PURCHASED OR OTHERWISE ACQUIRED BY OR FOR AN ENTITY, AS AN ENTITY) AND GoReplay LLC. READ IT CAREFULLY BEFORE COMPLETING THE INSTALLATION PROCESS AND USING GOREPLAY PRO AND RELATED SOFTWARE COMPONENTS (“SOFTWARE”). IT PROVIDES A LICENSE TO USE THE SOFTWARE AND CONTAINS WARRANTY INFORMATION AND LIABILITY DISCLAIMERS. BY INSTALLING AND USING THE SOFTWARE, YOU ARE CONFIRMING YOUR ACCEPTANCE OF THE SOFTWARE AND AGREEING TO BECOME BOUND BY THE TERMS OF THIS AGREEMENT.
------------------------------------------------------------------------------
@@ -14,17 +14,17 @@ In order to use the Software under this Agreement, you must receive a “Source
1.2 Unlimited Organization License. If you purchased an Organization License (included with the GoReplay Pro Software), you may install the Software on an unlimited number of Hosts. “Host” means any physical or virtual machine which is controlled by you. You may concurrently run the software on an unlimited number of Hosts.
1.3 Appliance License. If you purchased an Appliance License, you may distribute the Software in any applications, frameworks, or elements (collectively referred to as an “Application” or “Applications”) that you develop using the Software in accordance with this EULA, provided that such distribution does not violate the restrictions set forth in section 3 of this EULA. You must not remove, obscure or interfere with any copyright, acknowledgment, attribution, trademark, warning or disclaimer statement affixed to, incorporated in or otherwise applied in connection with the Software. You are required to ensure that the Software is not reused by or with any applications other than those with which you distribute it as permitted herein. For example, if You install the Software on a customer’s server, that customer is not permitted to use the Software independently of your Application. You must inform Licensor of your knowledge of any infringing use of the Software by any of your customers. You are liable for compliance by those third parties with the terms and conditions of this EULA. You will not owe Licensor any royalties for your distribution of the Software in accordance with this EULA.
1.3 Appliance License. If you purchased an Appliance License, you may distribute the Software in any applications, frameworks, or elements (collectively referred to as an “Application” or “Applications”) that you develop using the Software in accordance with this EULA, provided that such distribution does not violate the restrictions set forth in section 3 of this EULA. You must not remove, obscure or interfere with any copyright, acknowledgment, attribution, trademark, warning or disclaimer statement affixed to, incorporated in or otherwise applied in connection with the Software. You are required to ensure that the Software is not reused by or with any applications other than those with which you distribute it as permitted herein. For example, if You install the Software on a customer’s server, that customer is not permitted to use the Software independently of your Application. You must inform GoReplay LLC of your knowledge of any infringing use of the Software by any of your customers. You are liable for compliance by those third parties with the terms and conditions of this EULA. You will not owe GoReplay LLC any royalties for your distribution of the Software in accordance with this EULA.
1.4 Archive Copies. You are entitled to make a reasonable amount of copies of the Software for archival purposes. Each copy must reproduce all copyright and other proprietary rights notices on or in the Software Product.
1.5 Electronic Delivery. All Software and license documentation shall be delivered by electronic means unless otherwise specified on the applicable invoice or at the time of purchase. Software shall be deemed delivered when it is made available for download by you (“Delivery”).
2. Modifications. Licensor shall provide you with source code so that you can create Modifications of the original software. “Modification” means: (a) any addition to or deletion from the contents of a file included in the original Software or previous Modifications created by You, or (b) any new file that contains any part of the original Software or previous Modifications. While you retain all rights to any original work authored by you as part of the Modifications, We continue to own all copyright and other intellectual property rights in the Software.
2. Modifications. GoReplay LLC shall provide you with source code so that you can create Modifications of the original software. “Modification” means: (a) any addition to or deletion from the contents of a file included in the original Software or previous Modifications created by You, or (b) any new file that contains any part of the original Software or previous Modifications. While you retain all rights to any original work authored by you as part of the Modifications, We continue to own all copyright and other intellectual property rights in the Software.
3. Restricted Uses.
3.1 You shall not (and shall not allow any third party to): (a) decompile, disassemble, or otherwise reverse engineer the Software or attempt to reconstruct or discover any source code, underlying ideas, algorithms, file formats or programming interfaces of the Software by any means whatsoever (except and only to the extent that applicable law prohibits or restricts reverse engineering restrictions); (b) distribute, sell, sublicense, rent, lease or use the Software for time sharing, hosting, service provider or like purposes, except as expressly permitted under this Agreement; (c) redistribute the Software or Modifications other than by including the Software or a portion thereof within your own product, which must have substantially different functionality than the Software or Modifications and must not allow any third party to use the Software or Modifications, or any portions thereof, for software development or application development purposes; (d) redistribute the Software as part of a product, "appliance" or "virtual server"; (e) redistribute the Software on any server which is not directly under your control; (f) remove any product identification, proprietary, copyright or other notices contained in the Software; (g) modify any part of the Software, create a derivative work of any part of the Software (except as permitted in Section 4), or incorporate the Software, except to the extent expressly authorized in writing by Licensor; (h) publicly disseminate performance information or analysis (including, without limitation, benchmarks) from any source relating to the Software; (i) utilize any equipment, device, software, or other means designed to circumvent or remove any form of Source URL or copy protection used by Licensor in connection with the Software, or use the Software together with any authorization code, Source URL, serial number, or other copy protection device not supplied by Licensor; (j) use the Software to develop a product which is competitive with any Licensor product offerings; or (k) use unauthorized Source URLS or keycode(s) or distribute or publish Source URLs or keycode(s), except as may be expressly permitted by Licensor in writing. If your unique Source URL is ever published, Licensor reserves the right to terminate your access without notice.
3.1 You shall not (and shall not allow any third party to): (a) decompile, disassemble, or otherwise reverse engineer the Software or attempt to reconstruct or discover any source code, underlying ideas, algorithms, file formats or programming interfaces of the Software by any means whatsoever (except and only to the extent that applicable law prohibits or restricts reverse engineering restrictions); (b) distribute, sell, sublicense, rent, lease or use the Software for time sharing, hosting, service provider or like purposes, except as expressly permitted under this Agreement; (c) redistribute the Software or Modifications other than by including the Software or a portion thereof within your own product, which must have substantially different functionality than the Software or Modifications and must not allow any third party to use the Software or Modifications, or any portions thereof, for software development or application development purposes; (d) redistribute the Software as part of a product, "appliance" or "virtual server"; (e) redistribute the Software on any server which is not directly under your control; (f) remove any product identification, proprietary, copyright or other notices contained in the Software; (g) modify any part of the Software, create a derivative work of any part of the Software (except as permitted in Section 4), or incorporate the Software, except to the extent expressly authorized in writing by GoReplay LLC; (h) publicly disseminate performance information or analysis (including, without limitation, benchmarks) from any source relating to the Software; (i) utilize any equipment, device, software, or other means designed to circumvent or remove any form of Source URL or copy protection used by GoReplay LLC in connection with the Software, or use the Software together with any authorization code, Source URL, serial number, or other copy protection device not supplied by GoReplay LLC; (j) use the Software to develop a product which is competitive with any GoReplay LLC product offerings; or (k) use unauthorized Source URLS or keycode(s) or distribute or publish Source URLs or keycode(s), except as may be expressly permitted by GoReplay LLC in writing. If your unique Source URL is ever published, GoReplay LLC reserves the right to terminate your access without notice.
3.2 UNDER NO CIRCUMSTANCES MAY YOU USE THE SOFTWARE AS PART OF A PRODUCT OR SERVICE THAT PROVIDES SIMILAR FUNCTIONALITY TO THE SOFTWARE ITSELF.
@@ -32,35 +32,35 @@ The Open Source version of the Software (“LGPL Version”) is licensed
under the terms of the GNU Lesser General Public License versions 3.0
(“LGPL”) and not under this EULA.
4. Ownership. Notwithstanding anything to the contrary contained herein, except for the limited license rights expressly provided herein, Licensor and its suppliers have and will retain all rights, title and interest (including, without limitation, all patent, copyright, trademark, trade secret and other intellectual property rights) in and to the Software and all copies, modifications and derivative works thereof (including any changes which incorporate any of your ideas, feedback or suggestions). You acknowledge that you are obtaining only a limited license right to the Software, and that irrespective of any use of the words “purchase”, “sale” or like terms hereunder no ownership rights are being conveyed to you under this Agreement or otherwise.
4. Ownership. Notwithstanding anything to the contrary contained herein, except for the limited license rights expressly provided herein, GoReplay LLC and its suppliers have and will retain all rights, title and interest (including, without limitation, all patent, copyright, trademark, trade secret and other intellectual property rights) in and to the Software and all copies, modifications and derivative works thereof (including any changes which incorporate any of your ideas, feedback or suggestions). You acknowledge that you are obtaining only a limited license right to the Software, and that irrespective of any use of the words “purchase”, “sale” or like terms hereunder no ownership rights are being conveyed to you under this Agreement or otherwise.
5. Fees and Payment. The Software license fees will be due and payable in full as set forth in the applicable invoice or at the time of purchase. If the Software does not function properly within two weeks of purchase, please contact us within those two weeks for a refund. You shall be responsible for all taxes, withholdings, duties and levies arising from the order (excluding taxes based on the net income of Licensor).
5. Fees and Payment. The Software license fees will be due and payable in full as set forth in the applicable invoice or at the time of purchase. If the Software does not function properly within two weeks of purchase, please contact us within those two weeks for a refund. You shall be responsible for all taxes, withholdings, duties and levies arising from the order (excluding taxes based on the net income of GoReplay LLC).
6. Support, Maintenance and Services. Subject to the terms and conditions of this Agreement, as set forth in your invoice, and as set forth on the GoReplay Pro support page (https://github.com/buger/goreplay/wiki/Pro-Support), support and maintenance services may be included with the purchase of your license subscription.
7. Term of Agreement.
7.1 Term. This Agreement is effective as of the Delivery of the Software and expires at such time as all license and service subscriptions hereunder have expired in accordance with their own terms (the “Term”). For clarification, the term of your license under this Agreement may be perpetual, limited for Evaluation Version, or designated as a fixed-term license in the Invoice, and shall be specified at your time of purchase. Either party may terminate this Agreement (including all related Invoices) if the other party: (a) fails to cure any material breach of this Agreement within thirty (30) days after written notice of such breach, provided that Licensor may terminate this Agreement immediately upon any breach of Section 3 or if you exceed any other restrictions contained in Section 1, unless otherwise specified in this agreement; (b) ceases operation without a successor; or (c) seeks protection under any bankruptcy, receivership, trust deed, creditors arrangement, composition or comparable proceeding, or if any such proceeding is instituted against such party (and not dismissed within sixty (60) days)). Termination is not an exclusive remedy and the exercise by either party of any remedy under this Agreement will be without prejudice to any other remedies it may have under this Agreement, by law, or otherwise.
7.1 Term. This Agreement is effective as of the Delivery of the Software and expires at such time as all license and service subscriptions hereunder have expired in accordance with their own terms (the “Term”). For clarification, the term of your license under this Agreement may be perpetual, limited for Evaluation Version, or designated as a fixed-term license in the Invoice, and shall be specified at your time of purchase. Either party may terminate this Agreement (including all related Invoices) if the other party: (a) fails to cure any material breach of this Agreement within thirty (30) days after written notice of such breach, provided that GoReplay LLC may terminate this Agreement immediately upon any breach of Section 3 or if you exceed any other restrictions contained in Section 1, unless otherwise specified in this agreement; (b) ceases operation without a successor; or (c) seeks protection under any bankruptcy, receivership, trust deed, creditors arrangement, composition or comparable proceeding, or if any such proceeding is instituted against such party (and not dismissed within sixty (60) days)). Termination is not an exclusive remedy and the exercise by either party of any remedy under this Agreement will be without prejudice to any other remedies it may have under this Agreement, by law, or otherwise.
7.2 Termination. Upon any termination of this Agreement, you shall cease any and all use of any Software and destroy all copies thereof.
7.3 Expiration of License. Upon the expiration of any term under this Agreement, (a) all Software updates and services pursuant to the license shall cease, (b) you may only continue to run existing installations of the Software, (c) you may not install the Software on any additional Hosts, and (d) any new installation of the Software shall require the purchase of a new license subscription from Licensor.
7.3 Expiration of License. Upon the expiration of any term under this Agreement, (a) all Software updates and services pursuant to the license shall cease, (b) you may only continue to run existing installations of the Software, (c) you may not install the Software on any additional Hosts, and (d) any new installation of the Software shall require the purchase of a new license subscription from GoReplay LLC.
8. Disclaimer of Warranties. The Software is provided "as is," with all faults, defects and errors, and without warranty of any kind. Licensor does not warrant that the Software will be free of bugs, errors, viruses or other defects, and Licensor shall have no liability of any kind for the use of or inability to use the Software, the Software content or any associated service, and you acknowledge that it is not technically practicable for Licensor to do so.
To the maximum extent permitted by applicable law, Licensor disclaims all warranties, express, implied, arising by law or otherwise, regarding the Software, the Software content and their respective performance or suitability for your intended use, including without limitation any implied warranty of merchantability, fitness for a particular purpose.
Notwithstanding the foregoing, Licensor represents and warrants that it either owns the entire right to, title to, interest in, or has the right to license, the Software, and your proper use of the same will not violate any intellectual property or proprietary rights of another.
8. Disclaimer of Warranties. The Software is provided "as is," with all faults, defects and errors, and without warranty of any kind. GoReplay LLC does not warrant that the Software will be free of bugs, errors, viruses or other defects, and GoReplay LLC shall have no liability of any kind for the use of or inability to use the Software, the Software content or any associated service, and you acknowledge that it is not technically practicable for GoReplay LLC to do so.
To the maximum extent permitted by applicable law, GoReplay LLC disclaims all warranties, express, implied, arising by law or otherwise, regarding the Software, the Software content and their respective performance or suitability for your intended use, including without limitation any implied warranty of merchantability, fitness for a particular purpose.
Notwithstanding the foregoing, GoReplay LLC represents and warrants that it either owns the entire right to, title to, interest in, or has the right to license, the Software, and your proper use of the same will not violate any intellectual property or proprietary rights of another.
9. Limitation of Liability.
In no event will either party be liable for any direct, indirect, consequential, incidental, special, exemplary, or punitive damages or liabilities whatsoever arising from or relating to the Software, the Software content or this Agreement, whether based on contract, tort (including negligence), strict liability or other theory, even if such party has been advised of the possibility of such damages.
In no event will Licensor liability exceed the Software license price as indicated in the invoice. The existence of more than one claim will not enlarge or extend this limit.
In no event will GoReplay LLC liability exceed the Software license price as indicated in the invoice. The existence of more than one claim will not enlarge or extend this limit.
10. Remedies. Your exclusive remedy and Licensor’ entire liability for breach of this Agreement shall be limited, at Licensor’ sole and exclusive discretion, to (a) replacement of any defective software or documentation; or (b) refund of the license fee paid to Licensor, payable in accordance with Licensor' refund policy.
10. Remedies. Your exclusive remedy and GoReplay LLC’ entire liability for breach of this Agreement shall be limited, at GoReplay LLC’ sole and exclusive discretion, to (a) replacement of any defective software or documentation; or (b) refund of the license fee paid to GoReplay LLC, payable in accordance with GoReplay LLC' refund policy.
11. Acknowledgements.
11.1 Consent to the Use of Data. You agree that Licensor and its affiliates may collect and use technical information gathered as part of the product support services to be used in an anonymized manner. Licensor may use this information solely to improve products and services and will not disclose this information in a form that personally identifies you.
11.1 Consent to the Use of Data. You agree that GoReplay LLC and its affiliates may collect and use technical information gathered as part of the product support services to be used in an anonymized manner. GoReplay LLC may use this information solely to improve products and services and will not disclose this information in a form that personally identifies you.
11.2 Verification. We or a certified auditor acting on our behalf, may, upon its reasonable request and at its expense, audit you with respect to the use of the Software, subject to your reasonable information security and confidentiality protections. Such audit may be conducted by mail, electronic means or through an in-person visit to your place of business. Any such in-person audit shall be conducted during regular business hours at your facilities and shall not unreasonably interfere with your business activities. We shall not remove, copy, or redistribute any electronic material during the course of an audit. If an audit reveals that you are using the Software in a way that is in material violation of the terms of the EULA, then you shall pay our reasonable costs of conducting the audit. In the case of a material violation, you agree to pay Us any amounts owing that are attributable to the unauthorized use. In the alternative, We reserve the right, at our sole option, to terminate the licenses for the Software.
@@ -73,13 +73,13 @@ In no event will Licensor liability exceed the Software license price as indicat
13.1 Entire Agreement. This Agreement sets forth our entire agreement with respect to the Software and the subject matter hereof and supersedes all prior and contemporaneous understandings and agreements whether written or oral.
13.2 Amendment. Licensor reserves the right, in its sole discretion, to amend this Agreement from time. Amendments to this Agreement can be located at: https://github.com/buger/goreplay/blob/master/COMM-LICENSE.
13.2 Amendment. GoReplay LLC reserves the right, in its sole discretion, to amend this Agreement from time. Amendments to this Agreement can be located at: https://github.com/buger/goreplay/blob/master/COMM-LICENSE.
13.3 Assignment. You may not assign this Agreement or any of its rights under this Agreement without the prior written consent of Licensor and any attempted assignment without such consent shall be void.
13.3 Assignment. You may not assign this Agreement or any of its rights under this Agreement without the prior written consent of GoReplay LLC and any attempted assignment without such consent shall be void.
13.4 Export Compliance. Each party agrees to comply with all applicable laws and regulations, including laws, regulations, orders or other restrictions on export, re-export or redistribution of software.
13.5 Indemnification. You agree to defend, indemnify, and hold harmless Licensor from and against any lawsuits, claims, losses, damages, fines and expenses (including attorneys' fees and costs) arising out of your use of the Software or breach of this Agreement.
13.5 Indemnification. You agree to defend, indemnify, and hold harmless GoReplay LLC from and against any lawsuits, claims, losses, damages, fines and expenses (including attorneys' fees and costs) arising out of your use of the Software or breach of this Agreement.
13.6 Governing Law. This Agreement is governed by the laws of the State of Oregon and the United States without regard to conflicts of laws provisions thereof, and without regard to the United Nations Convention on the International Sale of Goods or the Uniform Computer Information Transactions Act, as currently enacted by any jurisdiction or as may be codified or amended from time to time by any jurisdiction. The jurisdiction and venue for actions related to the subject matter hereof shall be the state of Oregon and United States federal courts located in Portland, Oregon, and both parties hereby submit to the personal jurisdiction of such courts.
@@ -91,4 +91,4 @@ In no event will Licensor liability exceed the Software license price as indicat
13.10 Headings. The headings of sections and paragraphs of this Agreement are for convenience of reference only and are not intended to restrict, affect or be of any weight in the interpretation or construction of the provisions of such sections or paragraphs.
14. Contact Information. If you have any questions about this EULA, or if you want to contact Licensor for any reason, please direct correspondence to hello@goreplay.org
14. Contact Information. If you have any questions about this EULA, or if you want to contact GoReplay LLC for any reason, please direct correspondence to info@gortool.com
+2 -2
View File
@@ -1,9 +1,9 @@
FROM golang:1.17
FROM golang:1.14
RUN apt-get update && apt-get install ruby vim-common -y
RUN apt-get install flex bison -y
RUN wget http://www.tcpdump.org/release/libpcap-1.10.0.tar.gz && tar xzf libpcap-1.10.0.tar.gz && cd libpcap-1.10.0 && ./configure && make install
RUN wget http://www.tcpdump.org/release/libpcap-1.9.1.tar.gz && tar xzf libpcap-1.9.1.tar.gz && cd libpcap-1.9.1 && ./configure && make install
RUN go get github.com/google/gopacket
RUN go get -u golang.org/x/lint/golint
+17 -46
View File
@@ -4,13 +4,14 @@ PORT = 8000
FADDR = :8000
CONTAINER=gor
PREFIX=
RUN = docker run --rm -v `pwd`:$(SOURCE_PATH) -e AWS_ACCESS_KEY_ID=$(AWS_ACCESS_KEY_ID) -e AWS_SECRET_ACCESS_KEY=$(AWS_SECRET_ACCESS_KEY) -p 0.0.0.0:$(PORT):$(PORT) -t -i $(CONTAINER)
RUN = docker run -v `pwd`:$(SOURCE_PATH) -e AWS_ACCESS_KEY_ID=$(AWS_ACCESS_KEY_ID) -e AWS_SECRET_ACCESS_KEY=$(AWS_SECRET_ACCESS_KEY) -p 0.0.0.0:$(PORT):$(PORT) -t -i $(CONTAINER)
BENCHMARK = BenchmarkRAWInput
TEST = TestRawListenerBench
BIN_NAME = gor
VERSION = DEV-$(shell date +%s)
LDFLAGS = -ldflags "-X main.VERSION=$(VERSION)$(PREFIX) -extldflags \"-static\" -X main.DEMO=$(DEMO)"
MAC_LDFLAGS = -ldflags "-X main.VERSION=$(VERSION)$(PREFIX) -X main.DEMO=$(DEMO)"
FADDR = ":8000"
FPMCOMMON= \
--name goreplay \
@@ -22,41 +23,33 @@ FPMCOMMON= \
-s dir \
-C /tmp/gor-build \
.PHONY: vendor
release: release-x64 release-mac
release: release-x64 release-mac release-windows
release-bin:
docker run -v `pwd`:$(SOURCE_PATH) -t --env GOOS=linux --env GOARCH=amd64 -i $(CONTAINER) go build -o $(BIN_NAME) -tags netgo $(LDFLAGS)
vendor:
go mod vendor
release-bin-mac:
GOOS=darwin go build -o $(BIN_NAME) $(MAC_LDFLAGS)
release-bin: vendor
docker run --rm -v `pwd`:$(SOURCE_PATH) -t --env GOOS=linux --env GOARCH=amd64 -i $(CONTAINER) go build -mod=vendor -o $(BIN_NAME) -tags netgo $(LDFLAGS)
release-arm64-bin: vendor
docker run --rm -v `pwd`:$(SOURCE_PATH) -t --env GOOS=linux --env GOARCH=arm64 -i $(CONTAINER) go build -mod=vendor -o $(BIN_NAME) -tags netgo $(LDFLAGS)
release-bin-mac: vendor
GOOS=darwin go build -mod=vendor -o $(BIN_NAME) $(MAC_LDFLAGS)
release-bin-windows: vendor
docker run -it --rm -v `pwd`:$(SOURCE_PATH) -w $(SOURCE_PATH) -e CGO_ENABLED=1 docker.elastic.co/beats-dev/golang-crossbuild:1.16.4-main --build-cmd "make VERSION=$(VERSION) build" -p "windows/amd64"
release-x64: release-bin
release-x64:
docker run -v `pwd`:$(SOURCE_PATH) -t --env GOOS=linux --env GOARCH=amd64 -i $(CONTAINER) go build -o $(BIN_NAME) -tags netgo $(LDFLAGS)
tar -czf gor_$(VERSION)$(PREFIX)_x64.tar.gz $(BIN_NAME)
mkdir -p /tmp/gor-build
mv ./$(BIN_NAME) /tmp/gor-build/$(BIN_NAME)
cd /tmp/gor-build
rm -f goreplay_$(VERSION)_amd64.deb
rm -f goreplay-$(VERSION)-1.x86_64.rpm
nfpm pkg --packager deb --target ./
nfpm pkg --packager rpm --target ./
fpm $(FPMCOMMON) -a amd64 -t deb ./=/usr/local/bin
fpm $(FPMCOMMON) -a amd64 -t rpm ./=/usr/local/bin
rm -rf /tmp/gor-build
release-x86: release-bin-x86
release-x86:
docker run -v `pwd`:$(SOURCE_PATH) -t --env GOOS=linux --env GOARCH=386 -i $(CONTAINER) go build -o $(BIN_NAME) -tags netgo $(LDFLAGS)
tar -czf gor_$(VERSION)$(PREFIX)_x86.tar.gz $(BIN_NAME)
rm $(BIN_NAME)
release-mac: release-bin-mac
release-mac:
go build -o $(BIN_NAME) $(MAC_LDFLAGS)
tar -czf gor_$(VERSION)$(PREFIX)_mac.tar.gz $(BIN_NAME)
mkdir -p /tmp/gor-build
mv ./$(BIN_NAME) /tmp/gor-build/$(BIN_NAME)
@@ -65,34 +58,12 @@ release-mac: release-bin-mac
fpm $(FPMCOMMON) -a amd64 -t osxpkg ./=/usr/local/bin
rm -rf /tmp/gor-build
release-windows: release-bin-windows
mv ./gor ./gor.exe
zip gor-$(VERSION)$(PREFIX)_windows.zip ./gor.exe
rm -rf ./gor.exe
clean:
rm -rf *.pkg
rm -rf *.zip
rm -rf *.gz
rm -rf *.deb
rm -rf *.rpm
build:
go build -mod=vendor -o $(BIN_NAME) $(LDFLAGS)
install:
go install $(MAC_LDFLAGS)
build-env: build-x64-env build-arm64-env
build-x64-env:
docker buildx build --platform linux/amd64 -t $(CONTAINER) -f Dockerfile.dev .
build-arm64-env:
docker buildx build --platform linux/arm64 -t $(CONTAINER) -f Dockerfile.dev .
build-docker:
docker build -t gor-dev -f Dockerfile .
build:
docker build -t $(CONTAINER) -f Dockerfile.dev .
profile:
go build && ./$(BIN_NAME) --output-http="http://localhost:9000" --input-dummy 0 --input-raw :9000 --input-http :9000 --memprofile=./mem.out --cpuprofile=./cpu.out --stats --output-http-stats --output-http-timeout 100ms
-32
View File
@@ -1,32 +0,0 @@
// +build !linux
package capture
import (
"fmt"
"time"
"github.com/google/gopacket"
)
func newAfpacketHandle(device string, snaplen int, block_size int, num_blocks int,
useVLAN bool, timeout time.Duration) (*afpacketHandle, error) {
return nil, fmt.Errorf("Not implemented")
}
func afpacketComputeSize(targetSizeMb int, snaplen int, pageSize int) (
frameSize int, blockSize int, numBlocks int, err error) {
return 0, 0, 0, fmt.Errorf("Not implemented")
}
type afpacketHandle struct{}
// ReadPacketData satisfies PacketDataSource interface
func (h *afpacketHandle) ReadPacketData() (data []byte, ci gopacket.CaptureInfo, err error) {
return nil, gopacket.CaptureInfo{}, fmt.Errorf("Not implemented")
}
// SetBPFFilter translates a BPF filter string into BPF RawInstruction and applies them.
func (h *afpacketHandle) SetBPFFilter(filter string, snaplen int) (err error) {
return fmt.Errorf("Not implemented")
}
-115
View File
@@ -1,115 +0,0 @@
// +build linux
package capture
import (
"fmt"
"time"
"github.com/google/gopacket"
"github.com/google/gopacket/afpacket"
"github.com/google/gopacket/layers"
"github.com/google/gopacket/pcap"
"golang.org/x/net/bpf"
_ "github.com/google/gopacket/layers"
)
type afpacketHandle struct {
TPacket *afpacket.TPacket
}
func newAfpacketHandle(device string, snaplen int, block_size int, num_blocks int,
useVLAN bool, timeout time.Duration) (*afpacketHandle, error) {
h := &afpacketHandle{}
var err error
if device == "any" {
h.TPacket, err = afpacket.NewTPacket(
afpacket.OptFrameSize(snaplen),
afpacket.OptBlockSize(block_size),
afpacket.OptNumBlocks(num_blocks),
afpacket.OptAddVLANHeader(false),
afpacket.OptPollTimeout(timeout),
afpacket.SocketRaw,
afpacket.TPacketVersion3)
} else {
h.TPacket, err = afpacket.NewTPacket(
afpacket.OptInterface(device),
afpacket.OptFrameSize(snaplen),
afpacket.OptBlockSize(block_size),
afpacket.OptNumBlocks(num_blocks),
afpacket.OptAddVLANHeader(false),
afpacket.OptPollTimeout(timeout),
afpacket.SocketRaw,
afpacket.TPacketVersion3)
}
return h, err
}
// ReadPacketData satisfies PacketDataSource interface
func (h *afpacketHandle) ReadPacketData() (data []byte, ci gopacket.CaptureInfo, err error) {
return h.TPacket.ReadPacketData()
}
// SetBPFFilter translates a BPF filter string into BPF RawInstruction and applies them.
func (h *afpacketHandle) SetBPFFilter(filter string, snaplen int) (err error) {
pcapBPF, err := pcap.CompileBPFFilter(layers.LinkTypeEthernet, snaplen, filter)
if err != nil {
return err
}
bpfIns := []bpf.RawInstruction{}
for _, ins := range pcapBPF {
bpfIns2 := bpf.RawInstruction{
Op: ins.Code,
Jt: ins.Jt,
Jf: ins.Jf,
K: ins.K,
}
bpfIns = append(bpfIns, bpfIns2)
}
if h.TPacket.SetBPF(bpfIns); err != nil {
return err
}
return h.TPacket.SetBPF(bpfIns)
}
// LinkType returns ethernet link type.
func (h *afpacketHandle) LinkType() layers.LinkType {
return layers.LinkTypeEthernet
}
// Close will close afpacket source.
func (h *afpacketHandle) Close() {
h.TPacket.Close()
}
// SocketStats prints received, dropped, queue-freeze packet stats.
func (h *afpacketHandle) SocketStats() (as afpacket.SocketStats, asv afpacket.SocketStatsV3, err error) {
return h.TPacket.SocketStats()
}
// afpacketComputeSize computes the block_size and the num_blocks in such a way that the
// allocated mmap buffer is close to but smaller than target_size_mb.
// The restriction is that the block_size must be divisible by both the
// frame size and page size.
func afpacketComputeSize(targetSizeMb int, snaplen int, pageSize int) (
frameSize int, blockSize int, numBlocks int, err error) {
if snaplen < pageSize {
frameSize = pageSize / (pageSize / snaplen)
} else {
frameSize = (snaplen/pageSize + 1) * pageSize
}
// 128 is the default from the gopacket library so just use that
blockSize = frameSize * 128
numBlocks = (targetSizeMb * 1024 * 1024) / blockSize
if numBlocks == 0 {
return 0, 0, 0, fmt.Errorf("Interface buffersize is too small")
}
return frameSize, blockSize, numBlocks, nil
}
+125 -385
View File
@@ -3,45 +3,27 @@ package capture
import (
"context"
"errors"
"expvar"
"fmt"
"io"
"log"
"net"
"os"
"runtime"
"strings"
"sync"
"syscall"
"time"
"github.com/buger/goreplay/proto"
"github.com/buger/goreplay/size"
"github.com/buger/goreplay/tcp"
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
"github.com/google/gopacket/pcap"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"golang.org/x/sys/unix"
)
var stats *expvar.Map
func init() {
stats = expvar.NewMap("raw")
stats.Init()
}
// PacketHandler is a function that is used to handle packets
type PacketHandler func(*tcp.Packet)
type PcapStatProvider interface {
Stats() (*pcap.Stats, error)
}
// PcapOptions options that can be set on a pcap capture handle,
// these options take effect on inactive pcap handles
type PcapOptions struct {
@@ -59,18 +41,14 @@ type Listener struct {
sync.Mutex
Transport string // transport layer default to tcp
Activate func() error // function is used to activate the engine. it must be called before reading packets
Handles map[string]packetHandle
Interfaces []pcap.Interface
Handles map[string]gopacket.ZeroCopyPacketDataSource
Interfaces []net.Interface
loopIndex int
Reading chan bool // this channel is closed when the listener has started reading packets
PcapOptions
Engine EngineType
ports []uint16 // src or/and dst ports
trackResponse bool
expiry time.Duration
allowIncomplete bool
messages chan *tcp.Message
protocol tcp.TCPProtocol
Engine EngineType
port uint16 // src or/and dst port
trackResponse bool
host string // pcap file name or interface (name, hardware addr, index or ip address)
@@ -78,11 +56,6 @@ type Listener struct {
quit chan struct{}
}
type packetHandle struct {
handler gopacket.PacketDataSource
ips []net.IP
}
// EngineType ...
type EngineType uint8
@@ -91,7 +64,6 @@ const (
EnginePcap EngineType = 1 << iota
EnginePcapFile
EngineRawSocket
EngineAFPacket
)
// Set is here so that EngineType can implement flag.Var
@@ -101,10 +73,8 @@ func (eng *EngineType) Set(v string) error {
*eng = EnginePcap
case "pcap_file":
*eng = EnginePcapFile
case "raw_socket":
case "raw_socket", "af_packet":
*eng = EngineRawSocket
case "af_packet":
*eng = EngineAFPacket
default:
return fmt.Errorf("invalid engine %s", v)
}
@@ -119,8 +89,6 @@ func (eng *EngineType) String() (e string) {
e = "libpcap"
case EngineRawSocket:
e = "raw_socket"
case EngineAFPacket:
e = "af_packet"
default:
e = ""
}
@@ -130,29 +98,20 @@ func (eng *EngineType) String() (e string) {
// NewListener creates and initialize a new Listener. if transport or/and engine are invalid/unsupported
// is "tcp" and "pcap", are assumed. l.Engine and l.Transport can help to get the values used.
// if there is an error it will be associated with getting network interfaces
func NewListener(host string, ports []uint16, transport string, engine EngineType, protocol tcp.TCPProtocol, trackResponse bool, expiry time.Duration, allowIncomplete bool) (l *Listener, err error) {
func NewListener(host string, port uint16, transport string, engine EngineType, trackResponse bool) (l *Listener, err error) {
l = &Listener{}
l.host = host
if l.host == "localhost" {
l.host = "127.0.0.1"
}
l.ports = ports
l.port = port
l.Transport = "tcp"
if transport != "" {
l.Transport = transport
}
l.Handles = make(map[string]packetHandle)
l.Handles = make(map[string]gopacket.ZeroCopyPacketDataSource)
l.trackResponse = trackResponse
l.closeDone = make(chan struct{})
l.quit = make(chan struct{})
l.Reading = make(chan bool)
l.expiry = expiry
l.allowIncomplete = allowIncomplete
l.protocol = protocol
l.messages = make(chan *tcp.Message, 10000)
switch engine {
default:
l.Engine = EnginePcap
@@ -160,15 +119,11 @@ func NewListener(host string, ports []uint16, transport string, engine EngineTyp
case EngineRawSocket:
l.Engine = EngineRawSocket
l.Activate = l.activateRawSocket
case EngineAFPacket:
l.Engine = EngineAFPacket
l.Activate = l.activateAFPacket
case EnginePcapFile:
l.Engine = EnginePcapFile
l.Activate = l.activatePcapFile
return
}
err = l.setInterfaces()
if err != nil {
return nil, err
@@ -185,8 +140,8 @@ func (l *Listener) SetPcapOptions(opts PcapOptions) {
// Listen listens for packets from the handles, and call handler on every packet received
// until the context done signal is sent or there is unrecoverable error on all handles.
// this function must be called after activating pcap handles
func (l *Listener) Listen(ctx context.Context) (err error) {
l.read()
func (l *Listener) Listen(ctx context.Context, handler PacketHandler) (err error) {
l.read(handler)
done := ctx.Done()
select {
case <-done:
@@ -199,131 +154,69 @@ func (l *Listener) Listen(ctx context.Context) (err error) {
}
// ListenBackground is like listen but can run concurrently and signal error through channel
func (l *Listener) ListenBackground(ctx context.Context) chan error {
func (l *Listener) ListenBackground(ctx context.Context, handler PacketHandler) chan error {
err := make(chan error, 1)
go func() {
defer close(err)
if e := l.Listen(ctx); err != nil {
if e := l.Listen(ctx, handler); err != nil {
err <- e
}
}()
return err
}
// Allowed format:
// [namespace/]pod/[pod_name]
// [namespace/]deployment/[deployment_name]
// [namespace/]daemonset/[daemonset_name]
// [namespace/]labelSelector/[selector]
// [namespace/]fieldSelector/[selector]
func k8sIPs(addr string) []string {
config, err := rest.InClusterConfig()
if err != nil {
panic(err.Error())
}
// creates the clientset
clientset, err := kubernetes.NewForConfig(config)
if err != nil {
panic(err.Error())
}
sections := strings.Split(addr, "/")
if len(sections) < 2 {
panic("Not supported k8s scheme. Allowed values: [namespace/]pod/[pod_name], [namespace/]deployment/[deployment_name], [namespace/]daemonset/[daemonset_name], [namespace/]label/[label-name]/[label-value]")
}
// If no namespace passed, assume it is ALL
switch sections[0] {
case "pod", "deployment", "daemonset", "labelSelector", "fieldSelector":
sections = append([]string{""}, sections...)
}
namespace, selectorType, selectorValue := sections[0], sections[1], sections[2]
labelSelector := ""
fieldSelector := ""
switch selectorType {
case "pod":
fieldSelector = "metadata.name=" + selectorValue
case "deployment":
labelSelector = "app=" + selectorValue
case "daemonset":
labelSelector = "pod-template-generation=1,name=" + selectorValue
case "labelSelector":
labelSelector = selectorValue
case "fieldSelector":
fieldSelector = selectorValue
}
pods, err := clientset.CoreV1().Pods(namespace).List(context.TODO(), metav1.ListOptions{LabelSelector: labelSelector, FieldSelector: fieldSelector})
if err != nil {
panic(err.Error())
}
var podIPs []string
for _, pod := range pods.Items {
for _, podIP := range pod.Status.PodIPs {
podIPs = append(podIPs, podIP.IP)
}
}
return podIPs
}
// Filter returns automatic filter applied by goreplay
// to a pcap handle of a specific interface
func (l *Listener) Filter(ifi pcap.Interface) (filter string) {
func (l *Listener) Filter(ifi net.Interface) (filter string) {
// https://www.tcpdump.org/manpages/pcap-filter.7.html
hosts := []string{l.host}
if strings.HasPrefix(l.host, "k8s://") {
hosts = k8sIPs(l.host[6:])
} else {
if listenAll(l.host) || isDevice(l.host, ifi) {
hosts = interfaceAddresses(ifi)
}
port := fmt.Sprintf("portrange 0-%d", 1<<16-1)
if l.port != 0 {
port = fmt.Sprintf("port %d", l.port)
}
filter = portsFilter(l.Transport, "dst", l.ports)
if len(hosts) != 0 && !l.Promiscuous {
filter = fmt.Sprintf("((%s) and (%s))", filter, hostsFilter("dst", hosts))
} else {
filter = fmt.Sprintf("(%s)", filter)
}
filter = fmt.Sprintf("%s dst %s", l.Transport, port)
if l.trackResponse {
responseFilter := portsFilter(l.Transport, "src", l.ports)
if len(hosts) != 0 && !l.Promiscuous {
responseFilter = fmt.Sprintf("((%s) and (%s))", responseFilter, hostsFilter("src", hosts))
} else {
responseFilter = fmt.Sprintf("(%s)", responseFilter)
}
filter = fmt.Sprintf("%s or %s", filter, responseFilter)
filter = fmt.Sprintf("%s %s", l.Transport, port)
}
if listenAll(l.host) || isDevice(l.host, ifi) {
return "(" + filter + ")"
}
filter = fmt.Sprintf("(host %s and (%s))", l.host, filter)
log.Println("BPF filter: " + filter)
return
}
// PcapDumpHandler returns a handler to write packet data in PCAP
// format, See http://wiki.wireshark.org/Development/LibpcapFileFormathandler.
// if link layer is invalid Ethernet is assumed
// func PcapDumpHandler(file *os.File, link layers.LinkType) (handler func(packet *tcp.Packet) error, err error) {
// if link.String() == "" {
// link = layers.LinkTypeEthernet
// }
// w := NewWriterNanos(file)
// err = w.WriteFileHeader(64<<10, link)
// if err != nil {
// return nil, err
// }
// return func(packet *tcp.Packet) error {
// return w.WritePacket(*packet.Info, packet.Data)
// }, nil
// }
// PcapHandle returns new pcap Handle from dev on success.
// this function should be called after setting all necessary options for this listener
func (l *Listener) PcapHandle(ifi pcap.Interface) (handle *pcap.Handle, err error) {
func (l *Listener) PcapHandle(ifi net.Interface) (handle *pcap.Handle, err error) {
var inactive *pcap.InactiveHandle
inactive, err = pcap.NewInactiveHandle(ifi.Name)
if err != nil {
return nil, fmt.Errorf("inactive handle error: %q, interface: %q", err, ifi.Name)
}
defer inactive.CleanUp()
if l.TimestampType != "" && l.TimestampType != "go" {
if l.TimestampType != "" {
var ts pcap.TimestampSource
ts, err = pcap.TimestampSourceFromString(l.TimestampType)
fmt.Println("Setting custom Timestamp Source. Supported values: `go`, ", inactive.SupportedTimestamps())
err = inactive.SetTimestampSource(ts)
if err != nil {
return nil, fmt.Errorf("%q: supported timestamps: %q, interface: %q", err, inactive.SupportedTimestamps(), ifi.Name)
@@ -339,22 +232,12 @@ func (l *Listener) PcapHandle(ifi pcap.Interface) (handle *pcap.Handle, err erro
return nil, fmt.Errorf("monitor mode error: %q, interface: %q", err, ifi.Name)
}
}
var snap int
if !l.Snaplen {
infs, _ := net.Interfaces()
for _, i := range infs {
if i.Name == ifi.Name {
snap = i.MTU + 200
}
}
}
if snap == 0 {
if l.Snaplen {
snap = 64<<10 + 200
} else if ifi.MTU > 0 {
snap = ifi.MTU + 200
}
err = inactive.SetSnapLen(snap)
if err != nil {
return nil, fmt.Errorf("snapshot length error: %q, interface: %q", err, ifi.Name)
@@ -366,7 +249,7 @@ func (l *Listener) PcapHandle(ifi pcap.Interface) (handle *pcap.Handle, err erro
}
}
if l.BufferTimeout == 0 {
l.BufferTimeout = 2000 * time.Millisecond
l.BufferTimeout = pcap.BlockForever
}
err = inactive.SetTimeout(l.BufferTimeout)
if err != nil {
@@ -376,22 +259,24 @@ func (l *Listener) PcapHandle(ifi pcap.Interface) (handle *pcap.Handle, err erro
if err != nil {
return nil, fmt.Errorf("PCAP Activate device error: %q, interface: %q", err, ifi.Name)
}
bpfFilter := l.BPFFilter
if bpfFilter == "" {
bpfFilter = l.Filter(ifi)
if l.BPFFilter != "" {
if l.BPFFilter[0] != '(' || l.BPFFilter[len(l.BPFFilter)-1] != ')' {
l.BPFFilter = "(" + l.BPFFilter + ")"
}
} else {
l.BPFFilter = l.Filter(ifi)
}
fmt.Println("Interface:", ifi.Name, ". BPF Filter:", bpfFilter)
err = handle.SetBPFFilter(bpfFilter)
fmt.Println("Interface:", ifi.Name, ". BPF Filter:", l.BPFFilter)
err = handle.SetBPFFilter(l.BPFFilter)
if err != nil {
handle.Close()
return nil, fmt.Errorf("BPF filter error: %q%s, interface: %q", err, bpfFilter, ifi.Name)
return nil, fmt.Errorf("BPF filter error: %q%s, interface: %q", err, l.BPFFilter, ifi.Name)
}
return
}
// SocketHandle returns new unix ethernet handle associated with this listener settings
func (l *Listener) SocketHandle(ifi pcap.Interface) (handle Socket, err error) {
func (l *Listener) SocketHandle(ifi net.Interface) (handle Socket, err error) {
handle, err = NewSocket(ifi)
if err != nil {
return nil, fmt.Errorf("sock raw error: %q, interface: %q", err, ifi.Name)
@@ -399,7 +284,11 @@ func (l *Listener) SocketHandle(ifi pcap.Interface) (handle Socket, err error) {
if err = handle.SetPromiscuous(l.Promiscuous || l.Monitor); err != nil {
return nil, fmt.Errorf("promiscuous mode error: %q, interface: %q", err, ifi.Name)
}
if l.BPFFilter == "" {
if l.BPFFilter != "" {
if l.BPFFilter[0] != '(' || l.BPFFilter[len(l.BPFFilter)-1] != ')' {
l.BPFFilter = "(" + l.BPFFilter + ")"
}
} else {
l.BPFFilter = l.Filter(ifi)
}
fmt.Println("BPF Filter: ", l.BPFFilter)
@@ -411,40 +300,16 @@ func (l *Listener) SocketHandle(ifi pcap.Interface) (handle Socket, err error) {
return
}
func http1StartHint(pckt *tcp.Packet) (isRequest, isResponse bool) {
if proto.HasRequestTitle(pckt.Payload) {
return true, false
}
if proto.HasResponseTitle(pckt.Payload) {
return false, true
}
// No request or response detected
return false, false
}
func http1EndHint(m *tcp.Message) bool {
if m.MissingChunk() {
return false
}
req, res := http1StartHint(m.Packets()[0])
return proto.HasFullPayload(m, m.PacketData()...) && (req || res)
}
func (l *Listener) read() {
func (l *Listener) read(handler PacketHandler) {
l.Lock()
defer l.Unlock()
for key, handle := range l.Handles {
go func(key string, hndl packetHandle) {
runtime.LockOSThread()
go func(key string, hndl gopacket.ZeroCopyPacketDataSource) {
defer l.closeHandles(key)
linkSize := 14
linkType := int(layers.LinkTypeEthernet)
if _, ok := hndl.handler.(*pcap.Handle); ok {
linkType = int(hndl.handler.(*pcap.Handle).LinkType())
if _, ok := hndl.(*pcap.Handle); ok {
linkType = int(hndl.(*pcap.Handle).LinkType())
linkSize, ok = pcapLinkTypeLength(linkType)
if !ok {
if os.Getenv("GORDEBUG") != "0" {
@@ -454,47 +319,32 @@ func (l *Listener) read() {
}
}
messageParser := tcp.NewMessageParser(l.messages, l.ports, hndl.ips, l.expiry, l.allowIncomplete)
if l.protocol == tcp.ProtocolHTTP {
messageParser.Start = http1StartHint
messageParser.End = http1EndHint
}
timer := time.NewTicker(1 * time.Second)
ticker := time.NewTicker(time.Second)
for {
select {
case <-l.quit:
return
case <-timer.C:
if h, ok := hndl.handler.(PcapStatProvider); ok {
s, err := h.Stats()
if err == nil {
stats.Add("packets_received", int64(s.PacketsReceived))
stats.Add("packets_dropped", int64(s.PacketsDropped))
stats.Add("packets_if_dropped", int64(s.PacketsIfDropped))
}
case <-ticker.C:
usedMemory, totalMemory := memUsage()
if 100*float64(usedMemory)/float64(totalMemory) >= 95 {
fmt.Println("Using more memory then allowed. Enabling throttling.")
time.Sleep(time.Second)
}
continue
default:
data, ci, err := hndl.handler.ReadPacketData()
data, ci, err := hndl.ZeroCopyReadPacketData()
if err == nil {
if l.TimestampType == "go" {
ci.Timestamp = time.Now()
pckt, err := tcp.ParsePacket(data, linkType, linkSize, &ci)
if err == nil {
handler(pckt)
}
messageParser.PacketHandler(&tcp.PcapPacket{
Data: data,
LType: linkType,
LTypeLen: linkSize,
Ci: &ci,
})
continue
}
if enext, ok := err.(pcap.NextError); ok && enext == pcap.NextErrorTimeoutExpired {
continue
}
if eno, ok := err.(syscall.Errno); ok && eno.Temporary() {
if eno, ok := err.(unix.Errno); ok && eno.Temporary() {
continue
}
if enet, ok := err.(*net.OpError); ok && (enet.Temporary() || enet.Timeout()) {
@@ -514,18 +364,15 @@ func (l *Listener) read() {
close(l.Reading)
}
func (l *Listener) Messages() chan *tcp.Message {
return l.messages
}
func (l *Listener) closeHandles(key string) {
l.Lock()
defer l.Unlock()
if handle, ok := l.Handles[key]; ok {
if c, ok := handle.handler.(io.Closer); ok {
c.Close()
if _, ok = handle.(Socket); ok {
handle.(Socket).Close()
} else {
handle.(*pcap.Handle).Close()
}
delete(l.Handles, key)
if len(l.Handles) == 0 {
close(l.closeDone)
@@ -543,10 +390,7 @@ func (l *Listener) activatePcap() error {
msg += ("\n" + e.Error())
continue
}
l.Handles[ifi.Name] = packetHandle{
handler: handle,
ips: interfaceIPs(ifi),
}
l.Handles[ifi.Name] = handle
}
if len(l.Handles) == 0 {
return fmt.Errorf("pcap handles error:%s", msg)
@@ -567,10 +411,7 @@ func (l *Listener) activateRawSocket() error {
msg += ("\n" + e.Error())
continue
}
l.Handles[ifi.Name] = packetHandle{
handler: handle,
ips: interfaceIPs(ifi),
}
l.Handles[ifi.Name] = handle
}
if len(l.Handles) == 0 {
return fmt.Errorf("raw socket handles error:%s", msg)
@@ -584,149 +425,69 @@ func (l *Listener) activatePcapFile() (err error) {
if handle, e = pcap.OpenOffline(l.host); e != nil {
return fmt.Errorf("open pcap file error: %q", e)
}
tmp := l.host
l.host = ""
l.BPFFilter = l.Filter(pcap.Interface{})
l.host = tmp
if l.BPFFilter != "" {
if l.BPFFilter[0] != '(' || l.BPFFilter[len(l.BPFFilter)-1] != ')' {
l.BPFFilter = "(" + l.BPFFilter + ")"
}
} else {
addr := l.host
l.host = ""
l.BPFFilter = l.Filter(net.Interface{})
l.host = addr
}
if e = handle.SetBPFFilter(l.BPFFilter); e != nil {
handle.Close()
return fmt.Errorf("BPF filter error: %q, filter: %s", e, l.BPFFilter)
}
fmt.Println("BPF Filter:", l.BPFFilter)
l.Handles["pcap_file"] = packetHandle{
handler: handle,
}
l.Handles["pcap_file"] = handle
return
}
func (l *Listener) activateAFPacket() error {
szFrame, szBlock, numBlocks, err := afpacketComputeSize(32, 32<<10, os.Getpagesize())
if err != nil {
return err
}
var msg string
for _, ifi := range l.Interfaces {
handle, err := newAfpacketHandle(ifi.Name, szFrame, szBlock, numBlocks, false, pcap.BlockForever)
if err != nil {
msg += ("\n" + err.Error())
continue
}
if l.BPFFilter == "" {
l.BPFFilter = l.Filter(ifi)
}
fmt.Println("Interface:", ifi.Name, ". BPF Filter:", l.BPFFilter)
handle.SetBPFFilter(l.BPFFilter, 64<<10)
l.Handles[ifi.Name] = packetHandle{
handler: handle,
ips: interfaceIPs(ifi),
}
}
if len(l.Handles) == 0 {
return fmt.Errorf("pcap handles error:%s", msg)
}
return nil
}
func (l *Listener) setInterfaces() (err error) {
var pifis []pcap.Interface
pifis, err = pcap.FindAllDevs()
ifis, _ := net.Interfaces()
var ifis []net.Interface
ifis, err = net.Interfaces()
if err != nil {
return
}
for _, pi := range pifis {
if strings.HasPrefix(l.host, "k8s://") {
if !strings.HasPrefix(pi.Name, "veth") {
continue
}
for i := range ifis {
if ifis[i].Flags&net.FlagLoopback != 0 {
l.loopIndex = ifis[i].Index
}
if isDevice(l.host, pi) {
l.Interfaces = []pcap.Interface{pi}
if ifis[i].Flags&net.FlagUp == 0 {
continue
}
if isDevice(l.host, ifis[i]) {
l.Interfaces = []net.Interface{ifis[i]}
return
}
var ni net.Interface
for _, i := range ifis {
if i.Name == pi.Name {
ni = i
break
}
addrs, _ := i.Addrs()
for _, a := range addrs {
for _, pa := range pi.Addresses {
if a.String() == pa.IP.String() {
ni = i
break
}
}
addrs, e := ifis[i].Addrs()
if e != nil {
// don't give up on a failure from a single interface
continue
}
for _, addr := range addrs {
if cutMask(addr) == l.host {
l.Interfaces = []net.Interface{ifis[i]}
return
}
}
if ni.Flags&net.FlagLoopback != 0 {
l.loopIndex = ni.Index
}
if runtime.GOOS != "windows" {
if len(pi.Addresses) == 0 {
continue
}
if ni.Flags&net.FlagUp == 0 {
continue
}
}
l.Interfaces = append(l.Interfaces, pi)
}
l.Interfaces = ifis
return
}
func isDevice(addr string, ifi pcap.Interface) bool {
// Windows npcap loopback have no IPs
if addr == "127.0.0.1" && ifi.Name == `\Device\NPF_Loopback` {
return true
}
if addr == ifi.Name {
return true
}
for _, _addr := range ifi.Addresses {
if _addr.IP.String() == addr {
return true
func cutMask(addr net.Addr) string {
mask := addr.String()
for i, v := range mask {
if v == '/' {
return mask[:i]
}
}
return false
return mask
}
func interfaceAddresses(ifi pcap.Interface) []string {
var hosts []string
for _, addr := range ifi.Addresses {
hosts = append(hosts, addr.IP.String())
}
return hosts
}
func interfaceIPs(ifi pcap.Interface) []net.IP {
var ips []net.IP
for _, addr := range ifi.Addresses {
ips = append(ips, addr.IP)
}
return ips
func isDevice(addr string, ifi net.Interface) bool {
return addr == ifi.Name || addr == fmt.Sprintf("%d", ifi.Index) || (addr != "" && addr == ifi.HardwareAddr.String())
}
func listenAll(addr string) bool {
@@ -737,27 +498,6 @@ func listenAll(addr string) bool {
return false
}
func portsFilter(transport string, direction string, ports []uint16) string {
if len(ports) == 0 || ports[0] == 0 {
return fmt.Sprintf("%s %s portrange 0-%d", transport, direction, 1<<16-1)
}
var filters []string
for _, port := range ports {
filters = append(filters, fmt.Sprintf("%s %s port %d", transport, direction, port))
}
return strings.Join(filters, " or ")
}
func hostsFilter(direction string, hosts []string) string {
var hostsFilters []string
for _, host := range hosts {
hostsFilters = append(hostsFilters, fmt.Sprintf("%s host %s", direction, host))
}
return strings.Join(hostsFilters, " or ")
}
func pcapLinkTypeLength(lType int) (int, bool) {
switch layers.LinkType(lType) {
case layers.LinkTypeEthernet:
+302 -11
View File
@@ -1,22 +1,313 @@
package capture
import (
"context"
"encoding/binary"
"io/ioutil"
"net"
"os"
"sync/atomic"
"testing"
"time"
"github.com/google/gopacket/layers"
"github.com/google/gopacket/pcap"
)
func TestSetInterfaces(t *testing.T) {
listener := &Listener{
loopIndex: 99999,
}
listener.setInterfaces()
for _, nic := range listener.Interfaces {
if (len(nic.Addresses)) == 0 {
t.Errorf("nic %s was captured with 0 addresses", nic.Name)
var LoopBack = func() net.Interface {
ifis, _ := net.Interfaces()
for _, v := range ifis {
if v.Flags&net.FlagLoopback != 0 {
return v
}
}
return ifis[0]
}()
if listener.loopIndex == 99999 {
t.Errorf("loopback nic index was not found")
func TestSetInterfaces(t *testing.T) {
l := &Listener{}
l.host = "127.0.0.1"
l.setInterfaces()
if len(l.Interfaces) != 1 {
t.Error("expected a single interface")
}
l.host = LoopBack.HardwareAddr.String()
l.setInterfaces()
if l.Interfaces[0].Name != LoopBack.Name && len(l.Interfaces) != 1 {
t.Error("interface should be loop back interface")
}
l.host = ""
l.setInterfaces()
if len(l.Interfaces) < 1 {
t.Error("should get all interfaces")
}
}
func TestBPFFilter(t *testing.T) {
l := &Listener{}
l.host = "127.0.0.1"
l.Transport = "tcp"
l.setInterfaces()
filter := l.Filter(l.Interfaces[0])
if filter != "(tcp dst portrange 0-65535 and host 127.0.0.1)" {
t.Error("wrong filter", filter)
}
l.port = 8000
l.trackResponse = true
filter = l.Filter(l.Interfaces[0])
if filter != "(tcp port 8000 and host 127.0.0.1)" {
t.Error("wrong filter")
}
}
func TestPcapDump(t *testing.T) {
f, err := ioutil.TempFile("", "pcap_file")
if err != nil {
t.Error(err)
}
h, _ := PcapDumpHandler(f, layers.LinkTypeLoop)
packets := Packets(1, 5, 5, 4)
for i := 0; i < len(packets); i++ {
if i == 1 {
// change dst port
binary.BigEndian.PutUint16(packets[i].TransLayer[2:], 8001)
}
if i == 4 {
packets[i].Info.CaptureLength = 40
}
h(packets[i])
}
name := f.Name()
f.Close()
testPcapDumpEngine(name, t)
}
func testPcapDumpEngine(f string, t *testing.T) {
defer os.Remove(f)
l, err := NewListener(f, 8000, "", EnginePcapFile, true)
err = l.Activate()
if err != nil {
t.Errorf("expected error to be nil, got %q", err)
return
}
pckts := 0
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
err = l.Listen(ctx, func(packet *Packet) {
if packet.Info.CaptureLength != 57 {
t.Errorf("expected packet length to be %d, got %d", 57, packet.Info.CaptureLength)
}
pckts++
})
if err != nil {
t.Errorf("expected error to be nil, got %q", err)
}
if pckts != 3 {
t.Errorf("expected %d packets, got %d packets", 3, pckts)
}
}
func TestPcapHandler(t *testing.T) {
l, err := NewListener(LoopBack.Name, 8000, "", EnginePcap, true)
if err != nil {
t.Errorf("expected error to be nil, got %v", err)
return
}
err = l.Activate()
if err != nil {
t.Errorf("expected error to be nil, got %v", err)
return
}
defer l.Handles[LoopBack.Name].(*pcap.Handle).Close()
if err != nil {
t.Errorf("expected error to be nil, got %v", err)
return
}
for i := 0; i < 5; i++ {
_, _ = net.Dial("tcp", "127.0.0.1:8000")
}
sts, _ := l.Handles[LoopBack.Name].(*pcap.Handle).Stats()
if sts.PacketsReceived < 5 {
t.Errorf("expected >=5 packets got %d", sts.PacketsReceived)
}
}
// func TestSocketHandler(t *testing.T) {
// l, err := NewListener(LoopBack.Name, 8000, "", EngineRawSocket, true)
// err = l.Activate()
// if err != nil {
// return
// }
// defer l.Handles[LoopBack.Name].(*SockRaw).Close()
// if err != nil {
// t.Errorf("expected error to be nil, got %v", err)
// return
// }
// for i := 0; i < 5; i++ {
// _, _ = net.Dial("tcp", "127.0.0.1:8000")
// }
// sts, _ := l.Handles[LoopBack.Name].(*SockRaw).Stats()
// if sts.Packets < 5 {
// t.Errorf("expected >=5 packets got %d", sts.Packets)
// }
// }
func BenchmarkPcapDump(b *testing.B) {
f, err := ioutil.TempFile("", "pcap_file")
if err != nil {
b.Error(err)
return
}
now := time.Now()
defer os.Remove(f.Name())
h, _ := PcapDumpHandler(f, layers.LinkTypeLoop)
packets := Packets(1, b.N, 5, 4)
for i := 0; i < len(packets); i++ {
h(packets[i])
}
f.Close()
b.Logf("%d packets in %s", b.N, time.Since(now))
}
func BenchmarkPcapFile(b *testing.B) {
f, err := ioutil.TempFile("", "pcap_file")
if err != nil {
b.Error(err)
return
}
defer os.Remove(f.Name())
h, _ := PcapDumpHandler(f, layers.LinkTypeLoop)
packets := Packets(1, b.N, 5, 4)
for i := 0; i < len(packets); i++ {
h(packets[i])
}
name := f.Name()
f.Close()
b.ResetTimer()
var l *Listener
l, err = NewListener(name, 8000, "", EnginePcapFile, true)
if err != nil {
b.Error(err)
return
}
err = l.Activate()
if err != nil {
b.Error(err)
return
}
now := time.Now()
pckts := 0
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
if err = l.Listen(ctx, func(packet *Packet) {
if packet.Info.CaptureLength != 49 {
b.Errorf("expected packet length to be %d, got %d", 49, packet.Info.CaptureLength)
}
pckts++
}); err != nil {
b.Error(err)
}
b.Logf("%d/%d packets in %s", pckts, b.N, time.Since(now))
}
// used to benchmark sock engine
var buf [1024]byte
func init() {
for i := 0; i < len(buf); i++ {
buf[i] = 0xff
}
}
func handler(n, counter *int32) PacketHandler {
return func(p *Packet) {
nn := int32(len(p.Data))
atomic.AddInt32(n, nn)
atomic.AddInt32(counter, 1)
}
}
func BenchmarkPcap(b *testing.B) {
var err error
n := new(int32)
counter := new(int32)
l, err := NewListener(LoopBack.Name, 8000, "", EnginePcap, false)
if err != nil {
b.Error(err)
return
}
l.PcapOptions.BPFFilter = "udp dst port 8000 and host 127.0.0.1"
err = l.Activate()
if err != nil {
b.Error(err)
return
}
errCh := l.ListenBackground(context.Background(), handler(n, counter))
select {
case <-l.Reading:
case err = <-errCh:
b.Error(err)
return
}
var conn net.Conn
b.ResetTimer()
for i := 0; i < b.N; i++ {
b.StopTimer()
conn, err = net.Dial("udp", "127.0.0.1:8000")
if err != nil {
b.Error(err)
return
}
b.StartTimer()
_, err = conn.Write(buf[:])
if err != nil {
b.Error(err)
return
}
}
b.ReportMetric(float64(atomic.LoadInt32(n)), "buf")
b.ReportMetric(float64(atomic.LoadInt32(counter)), "packets")
}
func BenchmarkRawSocket(b *testing.B) {
var err error
n := new(int32)
counter := new(int32)
l, err := NewListener(LoopBack.Name, 8000, "", EngineRawSocket, false)
if err != nil {
b.Error(err)
return
}
l.PcapOptions.BPFFilter = "udp dst port 8000 and host 127.0.0.1"
err = l.Activate()
if err != nil {
b.Error(err)
return
}
errCh := l.ListenBackground(context.Background(), handler(n, counter))
select {
case <-l.Reading:
case err = <-errCh:
b.Error(err)
return
}
var conn net.Conn
b.ResetTimer()
for i := 0; i < b.N; i++ {
b.StopTimer()
conn, err = net.Dial("udp", "127.0.0.1:8000")
if err != nil {
b.Error(err)
return
}
b.StartTimer()
_, err = conn.Write(buf[:])
if err != nil {
b.Error(err)
return
}
}
b.ReportMetric(float64(atomic.LoadInt32(n)), "buf")
b.ReportMetric(float64(atomic.LoadInt32(counter)), "packets")
}
+1 -1
View File
@@ -22,7 +22,7 @@ if err := listener.Listen(context.Background(), handler); err != nil {
// handle error
}
// or
errCh := listener.ListenBackground(context.Background(), handler) // runs in the background
errCh := listener.ListenBackground(context.Background(), handler) // runs in the backgorund
select {
case err := <- errCh:
// handle error
+1 -1
View File
@@ -54,7 +54,7 @@ func NewWriterNanos(w io.Writer) *Writer {
// NewWriter returns a new writer object, for writing packet data out
// to the given writer. If this is a new empty writer (as opposed to
// an append), you must call WriteFileHeader before WritePacket.
// Packet timestamps are written with microsecond precision.
// Packet timestamps are written witn microsecond precision.
//
// // Write a new file:
// f, _ := os.Create("/tmp/file.pcap")
+197
View File
@@ -0,0 +1,197 @@
package capture
import (
"encoding/binary"
"errors"
"testing"
"time"
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
)
func generateHeader4(seq uint32, length uint16) []byte {
hdr := make([]byte, 4+24+24, 4+24+24)
binary.BigEndian.PutUint32(hdr, uint32(layers.ProtocolFamilyIPv4))
ip := hdr[4:]
ip[0] = 4<<4 | 6
binary.BigEndian.PutUint16(ip[2:4], length+24+24)
ip[9] = uint8(layers.IPProtocolTCP)
copy(ip[12:16], []byte{127, 0, 0, 1})
copy(ip[16:], []byte{127, 0, 0, 1})
// set tcp header
tcp := ip[24:]
tcp[12] = 6 << 4
binary.BigEndian.PutUint16(tcp, 5535)
binary.BigEndian.PutUint16(tcp[2:], 8000)
binary.BigEndian.PutUint32(tcp[4:], seq)
return hdr
}
func generateHeader6(seq uint32, length uint16) []byte {
hdr := make([]byte, 4+40+32+24, 4+40+32+24)
binary.BigEndian.PutUint32(hdr, uint32(layers.ProtocolFamilyIPv6Linux))
ip := hdr[4:]
ip[0] = 6 << 4
binary.BigEndian.PutUint16(ip[4:], length+32+24)
var ipAddr [16]byte
ipAddr[15] = 0x01
copy(ip[8:], ip[:])
copy(ip[24:], ip[:])
copy(ip[40:], []byte{
// net-layer (IPv6-Opts)
0x2b, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
uint8(layers.IPProtocolTCP), 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
})
// set tcp header
tcp := ip[40+32:]
tcp[12] = 6 << 4
binary.BigEndian.PutUint16(tcp, 5535)
binary.BigEndian.PutUint16(tcp[2:], 8000)
binary.BigEndian.PutUint32(tcp[4:], seq)
return hdr
}
func Packets(start uint32, _len int, length uint16, version byte) []*Packet {
var packets = make([]*Packet, _len)
for i := start; i < start+uint32(_len); i++ {
var h []byte
if version == 4 {
h = generateHeader4(i, length)
} else {
h = generateHeader6(i, length)
}
d := append(h, make([]byte, int(length))...)
ci := &gopacket.CaptureInfo{Length: len(d), CaptureLength: len(d), Timestamp: time.Now()}
packets[i-start] = NewPacket(d, int(layers.LinkTypeLoop), 4, ci)
}
return packets
}
func TestIPv4Packet(t *testing.T) {
pckt := packet(append(generateHeader4(1024, 10), make([]byte, 10)...))
if pckt.Err != nil {
t.Error(pckt)
return
}
if err := packet(pckt.Data[:2]).Err; !errors.Is(err, ErrHdrLength("Link")) {
t.Errorf("should fail with %q, got %q", ErrHdrLength("Link"), err)
return
}
if err := packet(pckt.Data[:20]).Err; !errors.Is(err, ErrHdrLength("IPv4")) {
t.Errorf("should fail with %q, got %q", ErrHdrLength("IPv4"), err)
return
}
if err := packet(pckt.Data[:27]).Err; !errors.Is(err, ErrHdrLength("IPv4 opts")) {
t.Errorf("should fail with %q, got %q", ErrHdrLength("IPv4 opts"), err)
return
}
if err := packet(pckt.Data[:40]).Err; !errors.Is(err, ErrHdrLength("TCP")) {
t.Errorf("should fail with %q, got %q", ErrHdrLength("TCP opts"), err)
return
}
if err := packet(pckt.Data[:50]).Err; !errors.Is(err, ErrHdrLength("TCP opts")) {
t.Errorf("should fail with %q, got %q", ErrHdrLength("TCP opts"), err)
return
}
pckt.TransLayer[12] = 0x10
if err := packet(pckt.Data[:50]).Err; !errors.Is(err, ErrHdrInvalid("TCP's data offset")) {
t.Errorf("should fail with %q, got %q", ErrHdrInvalid("TCP's data offset"), err)
return
}
pckt.TransLayer[12] = 0x60
if err := packet(pckt.Data[:28]).Err; !errors.Is(err, ErrHdrMissing("TCP")) {
t.Errorf("should fail with %q, got %q", ErrHdrMissing("TCP"), err)
return
}
pckt.NetLayer[9] = 0x02
if err := packet(pckt.Data).Err; !errors.Is(err, ErrHdrExpected("TCP")) {
t.Errorf("should fail with %q, got %q", ErrHdrExpected("TCP"), err)
return
}
pckt.NetLayer[9] = 0x06
pckt.NetLayer[0] = 0x44
if err := packet(pckt.Data).Err; !errors.Is(err, ErrHdrInvalid("IPv4's IHL")) {
t.Errorf("should fail with %q, got %q", ErrHdrInvalid("IPv4's IHL"), err)
return
}
pckt.NetLayer[0] = 0x56
if err := packet(pckt.Data).Err; !errors.Is(err, ErrHdrExpected("IPv4 or IPv6")) {
t.Errorf("should fail with %q, got %q", ErrHdrExpected("IPv4 or IPv6"), err)
return
}
}
func TestIPv6Packet(t *testing.T) {
pckt := packet(append(generateHeader6(1024, 10), make([]byte, 10)...))
if pckt.Err != nil {
t.Error(pckt)
return
}
if err := packet(pckt.Data[:4]).Err; !errors.Is(err, ErrHdrMissing("IPv4 or IPv6")) {
t.Errorf("should fail with %q, got %q", ErrHdrMissing("IPv4 or IPv6"), err)
return
}
if err := packet(pckt.Data[:40]).Err; !errors.Is(err, ErrHdrLength("IPv6")) {
t.Errorf("should fail with %q, got %q", ErrHdrLength("IPv6"), err)
return
}
if err := packet(pckt.Data[:52]).Err; !errors.Is(err, ErrHdrLength("IPv6 opts")) {
t.Errorf("should fail with %q, got %q", ErrHdrLength("IPv6 opts"), err)
return
}
if err := packet(pckt.Data[:80]).Err; !errors.Is(err, ErrHdrLength("TCP")) {
t.Errorf("should fail with %q, got %q", ErrHdrLength("TCP opts"), err)
return
}
if err := packet(pckt.Data[:98]).Err; !errors.Is(err, ErrHdrLength("TCP opts")) {
t.Errorf("should fail with %q, got %q", ErrHdrLength("TCP opts"), err)
return
}
pckt.TransLayer[12] = 0x10
if err := packet(pckt.Data).Err; !errors.Is(err, ErrHdrInvalid("TCP's data offset")) {
t.Errorf("should fail with %q, got %q", ErrHdrInvalid("TCP's data offset"), err)
return
}
pckt.TransLayer[12] = 0x60
if err := packet(pckt.Data[:76]).Err; !errors.Is(err, ErrHdrMissing("TCP")) {
t.Errorf("should fail with %q, got %q", ErrHdrMissing("TCP"), err)
return
}
pckt.NetLayer[56] = 0x02
if err := packet(pckt.Data).Err; !errors.Is(err, ErrHdrExpected("TCP")) {
t.Errorf("should fail with %q, got %q", ErrHdrExpected("TCP"), err)
return
}
pckt.NetLayer[56] = 0x06
}
func packet(data []byte) *Packet {
return NewPacket(data, int(layers.LinkTypeLoop), 4, &gopacket.CaptureInfo{})
}
func BenchmarkNewPacketIPv4(b *testing.B) {
data := append(generateHeader4(1204, 10), make([]byte, 10)...)
b.ResetTimer()
for i := 0; i < b.N; i++ {
if err := packet(data).Err; err != nil {
b.Error(err)
}
}
}
func BenchmarkNewPacketIPv6(b *testing.B) {
data := append(generateHeader6(1024, 10), make([]byte, 10)...)
b.ResetTimer()
for i := 0; i < b.N; i++ {
if err := packet(data).Err; err != nil {
b.Error(err)
}
}
}
+3 -22
View File
@@ -1,6 +1,3 @@
//go:build linux && !arm64
// +build linux,!arm64
package capture
import (
@@ -47,23 +44,7 @@ type SockRaw struct {
}
// NewSocket returns new M'maped sock_raw on packet version 2.
func NewSocket(pifi pcap.Interface) (*SockRaw, error) {
var ifi net.Interface
infs, _ := net.Interfaces()
found := false
for _, i := range infs {
if i.Name == pifi.Name {
ifi = i
found = true
break
}
}
if !found {
return nil, fmt.Errorf("can't find matching interface")
}
func NewSocket(ifi net.Interface) (*SockRaw, error) {
// sock create
fd, err := unix.Socket(unix.AF_PACKET, unix.SOCK_RAW, int(ETHALL))
if err != nil {
@@ -127,7 +108,7 @@ func NewSocket(pifi pcap.Interface) (*SockRaw, error) {
}
// ReadPacketData implements gopacket.PacketDataSource.
func (sock *SockRaw) ReadPacketData() (buf []byte, ci gopacket.CaptureInfo, err error) {
func (sock *SockRaw) ZeroCopyReadPacketData() (buf []byte, ci gopacket.CaptureInfo, err error) {
sock.mu.Lock()
defer sock.mu.Unlock()
var tpHdr *unix.Tpacket2Hdr
@@ -236,7 +217,7 @@ func (sock *SockRaw) SetBPFFilter(expr string) error {
return unix.SetsockoptSockFprog(sock.fd, unix.SOL_SOCKET, unix.SO_ATTACH_FILTER, fprog)
}
// SetPromiscuous sets promiscuous mode to the required value. for better result capture on all interfaces instead.
// SetPromiscuous sets promiscous mode to the required value. for better result capture on all interfaces instead.
// If it is enabled, traffic not destined for the interface will also be captured.
func (sock *SockRaw) SetPromiscuous(b bool) error {
sock.mu.Lock()
+3 -5
View File
@@ -1,15 +1,13 @@
//go:build (!linux && ignore) || arm64 || darwin
// +build !linux,ignore arm64 darwin
// +build !linux
package capture
import (
"errors"
"github.com/google/gopacket/pcap"
"net"
)
// NewSocket returns new M'maped sock_raw on packet version 2.
func NewSocket(_ pcap.Interface) (Socket, error) {
func NewSocket(_ net.Interface) (Socket, error) {
return nil, errors.New("afpacket socket is only available on linux")
}
+1 -1
View File
@@ -8,7 +8,7 @@ import (
// Socket is any interface that defines the behaviors of Socket
type Socket interface {
ReadPacketData() ([]byte, gopacket.CaptureInfo, error)
ZeroCopyReadPacketData() ([]byte, gopacket.CaptureInfo, error)
WritePacketData([]byte) error
SetBPFFilter(string) error
SetPromiscuous(bool) error
+1 -1
View File
@@ -57,7 +57,7 @@ type ESRequestResponse struct {
//
// Proper format is: scheme://[userinfo@]host/index_name
// userinfo is: user[:password]
// net/url.Parse() does not fail if scheme is not provided but actually does not
// net/url.Parse() does not fail if scheme is not provided but actualy does not
// handle URI properly.
// So we must 'validate' URI format to match requirements to use net/url.Parse()
func parseURI(URI string) (err error, index string) {
+1 -1
View File
@@ -152,7 +152,7 @@ func CopyMulty(src PluginReader, writers ...PluginWriter) error {
}
} else {
for _, dst := range writers {
if _, err := dst.PluginWrite(msg); err != nil && err != io.ErrClosedPipe {
if _, err := dst.PluginWrite(msg); err != nil {
return err
}
}
+1 -1
View File
@@ -8,7 +8,7 @@
#
function log {
if [[ -n "$GOR_TEST" ]]; then # if we are not testing
if [[ ! -v GOR_TEST ]]; then # if we are not testing
# Logging to stderr, because stdout/stdin used for data transfer
>&2 echo "[DEBUG][ECHO] $1"
fi
+8 -12
View File
@@ -1,25 +1,21 @@
module github.com/buger/goreplay
go 1.15
go 1.14
require (
github.com/Shopify/sarama v1.26.4
github.com/araddon/gou v0.0.0-20190110011759-c797efecbb61 // indirect
github.com/aws/aws-sdk-go v1.33.2
github.com/bitly/go-hostpool v0.1.0 // indirect
github.com/containerd/containerd v1.5.9 // indirect
github.com/docker/distribution v2.8.0+incompatible // indirect
github.com/docker/docker v20.10.12+incompatible // indirect
github.com/docker/go-connections v0.4.0 // indirect
github.com/google/gopacket v1.1.20-0.20210429153827-3eaba0894325
github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 // indirect
github.com/google/gopacket v1.1.18
github.com/klauspost/compress v1.10.10 // indirect
github.com/mattbaird/elastigo v0.0.0-20170123220020-2fe47fd29e4b
github.com/morikuni/aec v1.0.0 // indirect
github.com/pbnjay/memory v0.0.0-20201129165224-b12e5d931931
github.com/pierrec/lz4 v2.5.2+incompatible // indirect
github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0 // indirect
github.com/smartystreets/goconvey v1.6.4 // indirect
github.com/stretchr/testify v1.7.0
golang.org/x/net v0.0.0-20211209124913-491a49abca63
golang.org/x/sys v0.0.0-20210831042530-f4d43177bf5e
k8s.io/apimachinery v0.23.3
k8s.io/client-go v0.23.3
github.com/stretchr/testify v1.5.1
golang.org/x/net v0.0.0-20200707034311-ab3426394381 // indirect
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd
)
+19 -1139
View File
File diff suppressed because it is too large Load Diff
+4 -39
View File
@@ -3,16 +3,15 @@
package main
import (
"expvar"
"flag"
"fmt"
"log"
"net/http"
"net/http/httputil"
httppptof "net/http/pprof"
_ "net/http/pprof"
"os"
"os/signal"
"runtime"
_ "runtime/debug"
"runtime/pprof"
"syscall"
"time"
@@ -23,42 +22,8 @@ var (
memprofile = flag.String("memprofile", "", "write memory profile to this file")
)
func init() {
var defaultServeMux http.ServeMux
http.DefaultServeMux = &defaultServeMux
http.HandleFunc("/debug/vars", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
fmt.Fprintf(w, "{\n")
first := true
expvar.Do(func(kv expvar.KeyValue) {
if kv.Key == "memstats" || kv.Key == "cmdline" {
return
}
if !first {
fmt.Fprintf(w, ",\n")
}
first = false
fmt.Fprintf(w, "%q: %s", kv.Key, kv.Value)
})
fmt.Fprintf(w, "\n}\n")
})
http.HandleFunc("/debug/pprof/", httppptof.Index)
http.HandleFunc("/debug/pprof/cmdline", httppptof.Cmdline)
http.HandleFunc("/debug/pprof/profile", httppptof.Profile)
http.HandleFunc("/debug/pprof/symbol", httppptof.Symbol)
http.HandleFunc("/debug/pprof/trace", httppptof.Trace)
}
func loggingMiddleware(addr string, next http.Handler) http.Handler {
func loggingMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == "/loop" {
_, err := http.Get("http://" + addr)
log.Println(err)
}
rb, _ := httputil.DumpRequest(r, false)
log.Println(string(rb))
next.ServeHTTP(w, r)
@@ -80,7 +45,7 @@ func main() {
Debug(0, "Started example file server for current directory on address ", args[1])
log.Fatal(http.ListenAndServe(args[1], loggingMiddleware(args[1], http.FileServer(http.Dir(dir)))))
log.Fatal(http.ListenAndServe(args[1], loggingMiddleware(http.FileServer(http.Dir(dir)))))
} else {
flag.Parse()
checkSettings()
+32 -196
View File
@@ -4,12 +4,9 @@ import (
"bufio"
"bytes"
"compress/gzip"
"container/heap"
"errors"
"expvar"
"fmt"
"io"
"math"
"os"
"path/filepath"
"strconv"
@@ -23,73 +20,27 @@ import (
"github.com/aws/aws-sdk-go/service/s3"
)
type filePayload struct {
data []byte
timestamp int64
}
// An IntHeap is a min-heap of ints.
type payloadQueue struct {
sync.RWMutex
s []*filePayload
}
func (h payloadQueue) Len() int { return len(h.s) }
func (h payloadQueue) Less(i, j int) bool { return h.s[i].timestamp < h.s[j].timestamp }
func (h payloadQueue) Swap(i, j int) { h.s[i], h.s[j] = h.s[j], h.s[i] }
func (h *payloadQueue) Push(x interface{}) {
// Push and Pop use pointer receivers because they modify the slice's length,
// not just its contents.
h.s = append(h.s, x.(*filePayload))
}
func (h *payloadQueue) Pop() interface{} {
old := h.s
n := len(old)
x := old[n-1]
h.s = old[0 : n-1]
return x
}
func (h payloadQueue) Idx(i int) *filePayload {
return h.s[i]
}
type fileInputReader struct {
reader *bufio.Reader
data []byte
file io.ReadCloser
timestamp int64
closed int32 // Value of 0 indicates that the file is still open.
s3 bool
queue payloadQueue
readDepth int
dryRun bool
path string
}
func (f *fileInputReader) parse(init chan struct{}) error {
func (f *fileInputReader) parseNext() error {
payloadSeparatorAsBytes := []byte(payloadSeparator)
var buffer bytes.Buffer
var initialized bool
lineNum := 0
for {
line, err := f.reader.ReadBytes('\n')
lineNum++
if err != nil {
if err != io.EOF {
Debug(1, err)
} else {
f.Close()
}
f.Close()
if !initialized {
close(init)
initialized = true
}
return err
}
@@ -97,61 +48,21 @@ func (f *fileInputReader) parse(init chan struct{}) error {
asBytes := buffer.Bytes()
meta := payloadMeta(asBytes)
if len(meta) < 3 {
Debug(1, fmt.Sprintf("Found malformed record, file: %s, line %d", f.path, lineNum))
buffer = bytes.Buffer{}
continue
}
f.timestamp, _ = strconv.ParseInt(string(meta[2]), 10, 64)
f.data = asBytes[:len(asBytes)-1]
timestamp, _ := strconv.ParseInt(string(meta[2]), 10, 64)
data := asBytes[:len(asBytes)-1]
f.queue.Lock()
heap.Push(&f.queue, &filePayload{
timestamp: timestamp,
data: data,
})
f.queue.Unlock()
for {
if f.queue.Len() < f.readDepth {
break
}
if !initialized {
close(init)
initialized = true
}
if !f.dryRun {
time.Sleep(100 * time.Millisecond)
}
}
buffer = bytes.Buffer{}
continue
return nil
}
buffer.Write(line)
}
}
func (f *fileInputReader) wait() {
for {
if atomic.LoadInt32(&f.closed) == 1 {
return
}
func (f *fileInputReader) ReadPayload() []byte {
defer f.parseNext()
if f.queue.Len() > 0 {
return
}
if !f.dryRun {
time.Sleep(100 * time.Millisecond)
}
}
return
return f.data
}
// Close closes this plugin
@@ -164,7 +75,7 @@ func (f *fileInputReader) Close() error {
return nil
}
func newFileInputReader(path string, readDepth int, dryRun bool) *fileInputReader {
func newFileInputReader(path string) *fileInputReader {
var file io.ReadCloser
var err error
@@ -179,7 +90,7 @@ func newFileInputReader(path string, readDepth int, dryRun bool) *fileInputReade
return nil
}
r := &fileInputReader{path: path, file: file, closed: 0, readDepth: readDepth, dryRun: dryRun}
r := &fileInputReader{file: file, closed: 0}
if strings.HasSuffix(path, ".gz") {
gzReader, err := gzip.NewReader(file)
if err != nil {
@@ -191,11 +102,7 @@ func newFileInputReader(path string, readDepth int, dryRun bool) *fileInputReade
r.reader = bufio.NewReader(file)
}
heap.Init(&r.queue)
init := make(chan struct{})
go r.parse(init)
<-init
r.parseNext()
return r
}
@@ -209,25 +116,16 @@ type FileInput struct {
readers []*fileInputReader
speedFactor float64
loop bool
readDepth int
dryRun bool
maxWait time.Duration
stats *expvar.Map
}
// NewFileInput constructor for FileInput. Accepts file path as argument.
func NewFileInput(path string, loop bool, readDepth int, maxWait time.Duration, dryRun bool) (i *FileInput) {
func NewFileInput(path string, loop bool) (i *FileInput) {
i = new(FileInput)
i.data = make(chan []byte, 1000)
i.exit = make(chan bool)
i.path = path
i.speedFactor = 1
i.loop = loop
i.readDepth = readDepth
i.stats = expvar.NewMap("file-" + path)
i.dryRun = dryRun
i.maxWait = maxWait
if err := i.init(); err != nil {
return
@@ -257,31 +155,30 @@ func (i *FileInput) init() (err error) {
resp, err := svc.ListObjects(params)
if err != nil {
Debug(2, "[INPUT-FILE] Error while retrieving list of files from S3", i.path, err)
Debug(0, "[INPUT-FILE] Error while retreiving list of files from S3", i.path, err)
return err
}
for _, c := range resp.Contents {
matches = append(matches, "s3://"+bucket+"/"+(*c.Key))
}
} else if matches, err = filepath.Glob(i.path); err != nil {
Debug(2, "[INPUT-FILE] Wrong file pattern", i.path, err)
return
} else if matches, err = filepath.Glob(i.path); err != nil{
Debug(0, "[INPUT-FILE] Wrong file pattern", i.path, err)
return
}
if len(matches) == 0 {
Debug(2, "[INPUT-FILE] No files match pattern: ", i.path)
return errors.New("no matching files")
Debug(0, "[INPUT-FILE] No files match pattern: ", i.path)
return errors.New("No matching files")
}
i.readers = make([]*fileInputReader, len(matches))
for idx, p := range matches {
i.readers[idx] = newFileInputReader(p, i.readDepth, i.dryRun)
i.readers[idx] = newFileInputReader(p)
}
i.stats.Add("reader_count", int64(len(matches)))
return nil
}
@@ -292,7 +189,6 @@ func (i *FileInput) PluginRead() (*Message, error) {
case <-i.exit:
return nil, ErrorStopped
case buf := <-i.data:
i.stats.Add("read_from", 1)
msg.Meta, msg.Data = payloadMetaWithBody(buf)
return &msg, nil
}
@@ -305,17 +201,11 @@ func (i *FileInput) String() string {
// Find reader with smallest timestamp e.g next payload in row
func (i *FileInput) nextReader() (next *fileInputReader) {
for _, r := range i.readers {
if r == nil {
if r == nil || atomic.LoadInt32(&r.closed) != 0 {
continue
}
r.wait()
if r.queue.Len() == 0 {
continue
}
if next == nil || r.queue.Idx(0).timestamp < next.queue.Idx(0).timestamp {
if next == nil || r.timestamp < next.timestamp {
next = r
continue
}
@@ -327,11 +217,6 @@ func (i *FileInput) nextReader() (next *fileInputReader) {
func (i *FileInput) emit() {
var lastTime int64 = -1
var maxWait, firstWait, minWait int64
minWait = math.MaxInt64
i.stats.Add("negative_wait", 0)
for {
select {
case <-i.exit:
@@ -351,48 +236,17 @@ func (i *FileInput) emit() {
}
}
reader.queue.RLock()
payload := heap.Pop(&reader.queue).(*filePayload)
i.stats.Add("total_counter", 1)
i.stats.Add("total_bytes", int64(len(payload.data)))
reader.queue.RUnlock()
if lastTime != -1 {
diff := payload.timestamp - lastTime
if firstWait == 0 {
firstWait = diff
}
diff := reader.timestamp - lastTime
lastTime = reader.timestamp
if i.speedFactor != 1 {
diff = int64(float64(diff) / i.speedFactor)
}
if i.maxWait > 0 && diff > int64(i.maxWait) {
diff = int64(i.maxWait)
}
if diff >= 0 {
lastTime = payload.timestamp
if !i.dryRun {
time.Sleep(time.Duration(diff))
}
i.stats.Add("total_wait", diff)
if diff > maxWait {
maxWait = diff
}
if diff < minWait {
minWait = diff
}
} else {
i.stats.Add("negative_wait", 1)
}
time.Sleep(time.Duration(diff))
} else {
lastTime = payload.timestamp
lastTime = reader.timestamp
}
// Recheck if we have exited since last check.
@@ -400,30 +254,12 @@ func (i *FileInput) emit() {
case <-i.exit:
return
default:
if !i.dryRun {
i.data <- payload.data
}
i.data <- reader.ReadPayload()
}
}
i.stats.Set("first_wait", time.Duration(firstWait))
i.stats.Set("max_wait", time.Duration(maxWait))
i.stats.Set("min_wait", time.Duration(minWait))
Debug(0, fmt.Sprintf("[INPUT-FILE] FileInput: end of file '%s'\n", i.path))
Debug(2, fmt.Sprintf("[INPUT-FILE] FileInput: end of file '%s'\n", i.path))
if i.dryRun {
fmt.Printf("Records found: %v\nFiles processed: %v\nBytes processed: %v\nMax wait: %v\nMin wait: %v\nFirst wait: %v\nIt will take `%v` to replay at current speed.\nFound %v records with out of order timestamp\n",
i.stats.Get("total_counter"),
i.stats.Get("reader_count"),
i.stats.Get("total_bytes"),
i.stats.Get("max_wait"),
i.stats.Get("min_wait"),
i.stats.Get("first_wait"),
time.Duration(i.stats.Get("total_wait").(*expvar.Int).Value()),
i.stats.Get("negative_wait"),
)
}
}
// Close closes this plugin
+15 -15
View File
@@ -29,9 +29,9 @@ func TestInputFileWithGET(t *testing.T) {
// The read request should match the original request
if err != nil {
t.Error(err)
} else if !expectedCaptureFile.PayloadsEqual(readPayloads) {
t.Error("Request read back from file should match")
} else if !expectedCaptureFile.PayloadsEqual(readPayloads){
t.Error("Request read back from file should match")
}
}
@@ -52,9 +52,9 @@ func TestInputFileWithPayloadLargerThan64Kb(t *testing.T) {
// The read request should match the original request
if err != nil {
t.Error(err)
} else if !expectedCaptureFile.PayloadsEqual(readPayloads) {
t.Error("Request read back from file should match")
} else if !expectedCaptureFile.PayloadsEqual(readPayloads){
t.Error("Request read back from file should match")
}
}
@@ -80,9 +80,9 @@ func TestInputFileWithGETAndPOST(t *testing.T) {
// The read requests should match the original request
if err != nil {
t.Error(err)
} else if !expectedCaptureFile.PayloadsEqual(readPayloads) {
t.Error("Request read back from file should match")
} else if !expectedCaptureFile.PayloadsEqual(readPayloads){
t.Error("Request read back from file should match")
}
}
@@ -104,7 +104,7 @@ func TestInputFileMultipleFilesWithRequestsOnly(t *testing.T) {
file2.Write([]byte(payloadSeparator))
file2.Close()
input := NewFileInput(fmt.Sprintf("/tmp/%d*", rnd), false, 100, 0, false)
input := NewFileInput(fmt.Sprintf("/tmp/%d*", rnd), false)
for i := '1'; i <= '4'; i++ {
msg, _ := input.PluginRead()
@@ -130,7 +130,7 @@ func TestInputFileRequestsWithLatency(t *testing.T) {
file.Write([]byte("1 3 250000000\nrequest3"))
file.Write([]byte(payloadSeparator))
input := NewFileInput(fmt.Sprintf("/tmp/%d", rnd), false, 100, 0, false)
input := NewFileInput(fmt.Sprintf("/tmp/%d", rnd), false)
start := time.Now().UnixNano()
for i := 0; i < 3; i++ {
@@ -170,7 +170,7 @@ func TestInputFileMultipleFilesWithRequestsAndResponses(t *testing.T) {
file2.Write([]byte(payloadSeparator))
file2.Close()
input := NewFileInput(fmt.Sprintf("/tmp/%d*", rnd), false, 100, 0, false)
input := NewFileInput(fmt.Sprintf("/tmp/%d*", rnd), false)
for i := '1'; i <= '4'; i++ {
msg, _ := input.PluginRead()
@@ -198,7 +198,7 @@ func TestInputFileLoop(t *testing.T) {
file.Write([]byte(payloadSeparator))
file.Close()
input := NewFileInput(fmt.Sprintf("/tmp/%d", rnd), true, 100, 0, false)
input := NewFileInput(fmt.Sprintf("/tmp/%d", rnd), true)
// Even if we have just 2 requests in file, it should indifinitly loop
for i := 0; i < 1000; i++ {
@@ -226,7 +226,7 @@ func TestInputFileCompressed(t *testing.T) {
name2 := output2.file.Name()
output2.Close()
input := NewFileInput(fmt.Sprintf("/tmp/%d*", rnd), false, 100, 0, false)
input := NewFileInput(fmt.Sprintf("/tmp/%d*", rnd), false)
for i := 0; i < 2000; i++ {
input.PluginRead()
}
@@ -326,7 +326,7 @@ func CreateCaptureFile(requestGenerator *RequestGenerator) *CaptureFile {
func ReadFromCaptureFile(captureFile *os.File, count int, callback writeCallback) (err error) {
wg := new(sync.WaitGroup)
input := NewFileInput(captureFile.Name(), false, 100, 0, false)
input := NewFileInput(captureFile.Name(), false)
output := NewTestOutput(func(msg *Message) {
callback(msg)
wg.Done()
+1 -1
View File
@@ -9,7 +9,7 @@ import (
"github.com/Shopify/sarama/mocks"
)
// KafkaInput is used for receiving Kafka messages and
// KafkaInput is used for recieving Kafka messages and
// transforming them into HTTP payloads.
type KafkaInput struct {
config *InputKafkaConfig
+93 -51
View File
@@ -6,7 +6,6 @@ import (
"log"
"net"
"strconv"
"strings"
"sync"
"time"
@@ -16,20 +15,53 @@ import (
"github.com/buger/goreplay/tcp"
)
// TCPProtocol is a number to indicate type of protocol
type TCPProtocol uint8
const (
// ProtocolHTTP ...
ProtocolHTTP TCPProtocol = iota
// ProtocolBinary ...
ProtocolBinary
)
// Set is here so that TCPProtocol can implement flag.Var
func (protocol *TCPProtocol) Set(v string) error {
switch v {
case "", "http":
*protocol = ProtocolHTTP
case "binary":
*protocol = ProtocolBinary
default:
return fmt.Errorf("unsupported protocol %s", v)
}
return nil
}
func (protocol *TCPProtocol) String() string {
switch *protocol {
case ProtocolBinary:
return "binary"
case ProtocolHTTP:
return "http"
default:
return ""
}
}
// RAWInputConfig represents configuration that can be applied on raw input
type RAWInputConfig struct {
capture.PcapOptions
Expire time.Duration `json:"input-raw-expire"`
CopyBufferSize size.Size `json:"copy-buffer-size"`
Engine capture.EngineType `json:"input-raw-engine"`
TrackResponse bool `json:"input-raw-track-response"`
Protocol tcp.TCPProtocol `json:"input-raw-protocol"`
RealIPHeader string `json:"input-raw-realip-header"`
Stats bool `json:"input-raw-stats"`
AllowIncomplete bool `json:"input-raw-allow-incomplete"`
quit chan bool // Channel used only to indicate goroutine should shutdown
host string
ports []uint16
Expire time.Duration `json:"input-raw-expire"`
CopyBufferSize size.Size `json:"copy-buffer-size"`
Engine capture.EngineType `json:"input-raw-engine"`
TrackResponse bool `json:"input-raw-track-response"`
Protocol TCPProtocol `json:"input-raw-protocol"`
RealIPHeader string `json:"input-raw-realip-header"`
Stats bool `json:"input-raw-stats"`
quit chan bool // Channel used only to indicate goroutine should shutdown
host string
port uint16
}
// RAWInput used for intercepting traffic for given address
@@ -38,7 +70,7 @@ type RAWInput struct {
RAWInputConfig
messageStats []tcp.Stats
listener *capture.Listener
messageParser *tcp.MessageParser
message chan *tcp.Message
cancelListener context.CancelFunc
closed bool
}
@@ -47,44 +79,24 @@ type RAWInput struct {
func NewRAWInput(address string, config RAWInputConfig) (i *RAWInput) {
i = new(RAWInput)
i.RAWInputConfig = config
i.message = make(chan *tcp.Message, 10000)
i.quit = make(chan bool)
host, _ports, err := net.SplitHostPort(address)
var host, _port string
var err error
var port int
host, _port, err = net.SplitHostPort(address)
if err != nil {
// If we are reading pcap file, no port needed
if strings.HasSuffix(address, "pcap") {
host = address
_ports = "0"
err = nil
} else if strings.HasPrefix(address, "k8s://") {
portIndex := strings.LastIndex(address, ":")
host = address[:portIndex]
_ports = address[portIndex+1:]
} else {
log.Fatalf("input-raw: error while parsing address: %s", err)
}
log.Fatalf("input-raw: error while parsing address: %s", err)
}
if _port != "" {
port, err = strconv.Atoi(_port)
}
if strings.HasSuffix(host, "pcap") {
i.RAWInputConfig.Engine = capture.EnginePcapFile
if err != nil {
log.Fatalf("parsing port error: %v", err)
}
var ports []uint16
if _ports != "" {
portsStr := strings.Split(_ports, ",")
for _, portStr := range portsStr {
port, err := strconv.Atoi(strings.TrimSpace(portStr))
if err != nil {
log.Fatalf("parsing port error: %v", err)
}
ports = append(ports, uint16(port))
}
}
i.host = host
i.ports = ports
i.port = uint16(port)
i.listen(address)
@@ -98,12 +110,11 @@ func (i *RAWInput) PluginRead() (*Message, error) {
select {
case <-i.quit:
return nil, ErrorStopped
case msgTCP = <-i.listener.Messages():
case msgTCP = <-i.message:
msg.Data = msgTCP.Data()
}
var msgType byte = ResponsePayload
if msgTCP.Direction == tcp.DirIncoming {
if msgTCP.IsRequest {
msgType = RequestPayload
if i.RealIPHeader != "" {
msg.Data = proto.SetHeader(msg.Data, []byte(i.RealIPHeader), []byte(msgTCP.SrcAddr))
@@ -123,13 +134,14 @@ func (i *RAWInput) PluginRead() (*Message, error) {
stat := msgTCP.Stats
go i.addStats(stat)
}
msgTCP.Finalize()
msgTCP = nil
return &msg, nil
}
func (i *RAWInput) listen(address string) {
var err error
i.listener, err = capture.NewListener(i.host, i.ports, "", i.Engine, i.Protocol, i.TrackResponse, i.Expire, i.AllowIncomplete)
i.listener, err = capture.NewListener(i.host, i.port, "", i.Engine, i.TrackResponse)
if err != nil {
log.Fatal(err)
}
@@ -138,10 +150,15 @@ func (i *RAWInput) listen(address string) {
if err != nil {
log.Fatal(err)
}
parser := tcp.NewMessageParser(i.CopyBufferSize, i.Expire, Debug, i.messageEmitter)
if i.Protocol == ProtocolHTTP {
parser.Start = http1StartHint
parser.End = http1EndHint
}
var ctx context.Context
ctx, i.cancelListener = context.WithCancel(context.Background())
errCh := i.listener.ListenBackground(ctx)
errCh := i.listener.ListenBackground(ctx, parser.PacketHandler)
<-i.listener.Reading
Debug(1, i)
go func() {
@@ -150,8 +167,12 @@ func (i *RAWInput) listen(address string) {
}()
}
func (i *RAWInput) messageEmitter(m *tcp.Message) {
i.message <- m
}
func (i *RAWInput) String() string {
return fmt.Sprintf("Intercepting traffic from: %s:%s", i.host, strings.Join(strings.Fields(fmt.Sprint(i.ports)), ","))
return fmt.Sprintf("Intercepting traffic from: %s:%d", i.host, i.port)
}
// GetStats returns the stats so far and reset the stats
@@ -185,3 +206,24 @@ func (i *RAWInput) addStats(mStats tcp.Stats) {
i.messageStats = append(i.messageStats, mStats)
i.Unlock()
}
func http1StartHint(pckt *tcp.Packet) (isRequest, isResponse bool) {
if proto.HasRequestTitle(pckt.Payload) {
return true, false
}
if proto.HasResponseTitle(pckt.Payload) {
return false, true
}
// No request or response detected
return false, false
}
func http1EndHint(m *tcp.Message) bool {
if m.MissingChunk() {
return false
}
return proto.HasFullPayload(m, m.PacketData()...)
}
+9 -17
View File
@@ -16,7 +16,6 @@ import (
"github.com/buger/goreplay/capture"
"github.com/buger/goreplay/proto"
"github.com/buger/goreplay/tcp"
)
const testRawExpire = time.Millisecond * 200
@@ -44,7 +43,7 @@ func TestRAWInputIPv4(t *testing.T) {
conf := RAWInputConfig{
Engine: capture.EnginePcap,
Expire: 0,
Protocol: tcp.ProtocolHTTP,
Protocol: ProtocolHTTP,
TrackResponse: true,
RealIPHeader: "X-Real-IP",
}
@@ -59,7 +58,6 @@ func TestRAWInputIPv4(t *testing.T) {
} else {
respCounter++
}
wg.Done()
})
@@ -73,18 +71,14 @@ func TestRAWInputIPv4(t *testing.T) {
emitter := NewEmitter()
defer emitter.Close()
go emitter.Start(plugins, Settings.Middleware)
// time.Sleep(time.Second)
for i := 0; i < 1; i++ {
wg.Add(2)
_, err = http.Get(addr)
if err != nil {
t.Error(err)
return
}
}
wg.Wait()
const want = 10
if reqCounter != respCounter && reqCounter != want {
@@ -114,7 +108,7 @@ func TestRAWInputNoKeepAlive(t *testing.T) {
conf := RAWInputConfig{
Engine: capture.EnginePcap,
Expire: testRawExpire,
Protocol: tcp.ProtocolHTTP,
Protocol: ProtocolHTTP,
TrackResponse: true,
}
input := NewRAWInput(":"+port, conf)
@@ -122,11 +116,10 @@ func TestRAWInputNoKeepAlive(t *testing.T) {
output := NewTestOutput(func(msg *Message) {
if msg.Meta[0] == '1' {
atomic.AddInt64(&reqCounter, 1)
wg.Done()
} else {
atomic.AddInt64(&respCounter, 1)
wg.Done()
}
wg.Done()
})
plugins := &InOutPlugins{
@@ -180,7 +173,7 @@ func TestRAWInputIPv6(t *testing.T) {
var respCounter, reqCounter int64
conf := RAWInputConfig{
Engine: capture.EnginePcap,
Protocol: tcp.ProtocolHTTP,
Protocol: ProtocolHTTP,
TrackResponse: true,
}
input := NewRAWInput(originAddr, conf)
@@ -235,11 +228,10 @@ func TestInputRAWChunkedEncoding(t *testing.T) {
originAddr := strings.Replace(origin.Listener.Addr().String(), "[::]", "127.0.0.1", -1)
conf := RAWInputConfig{
Engine: capture.EnginePcap,
Expire: time.Second,
Protocol: tcp.ProtocolHTTP,
TrackResponse: true,
AllowIncomplete: true,
Engine: capture.EnginePcap,
Expire: time.Second,
Protocol: ProtocolHTTP,
TrackResponse: true,
}
input := NewRAWInput(originAddr, conf)
@@ -317,7 +309,7 @@ func BenchmarkRAWInputWithReplay(b *testing.B) {
conf := RAWInputConfig{
Engine: capture.EnginePcap,
Expire: testRawExpire,
Protocol: tcp.ProtocolHTTP,
Protocol: ProtocolHTTP,
TrackResponse: true,
}
input := NewRAWInput(originAddr, conf)
-144
View File
@@ -1,144 +0,0 @@
# Native k8s integration
After following steps below, you will be able to capture traffic inside k8s like this:
```
gor --input-raw k8s://namespace/deployment/app:80 --output-http http://replay.com
```
GoReplay will running as a daemonset (e.g. on each phisical k8s node.
It will also require giving required permission to have read access to K8s APIs, so it can dynamically filter traffic for a specific pods.
Supported format for filtering required pods:
```
k8s://[namespace/]pod/[pod_name] - k8s://default/pod/nginx-7848d4b86f-5nxz8
k8s://[namespace/]deployment/[deployment_name] - k8s://default/deployment/nginx
k8s://[namespace/]daemonset/[daemonset_name] - k8s://default/daemonset/nginx
k8s://[namespace/]labelSelector/[selector] - k8s://default/labelSelector/app=nginx
k8s://[namespace/]fieldSelector/[selector] - k8s://default/fieldSelector/metadata.name=nginx-7848d4b86f-5nxz8
```
`namespace` is optional, omit to use all namespaces: `k8s://labelSelector/app=replay`
## 1. Create a namespace
`kubectl create namespace goreplay`
## 2. Create the Kubernetes service account in the namespace:
`kubectl create serviceaccount goreplay --namespace goreplay`
## 3. Create Cluster Role which gives read-only access to the pods:
`kubectl -n goreplay -f clusterrole.yaml apply`
```yaml
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: pod-reader
rules:
- apiGroups: [""]
resources: ["pods"]
verbs: ["get", "watch", "list"]
- apiGroups: [""]
resources: ["deployments"]
verbs: ["get", "watch", "list"]
- apiGroups: [""]
resources: ["daemonset"]
verbs: ["get", "watch", "list"]
```
## 4. Attach role to goreplay service account
`kubectl -n goreplay -f rolebinding.yaml apply`
```yaml
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: goreplay-reader-binding
subjects:
- kind: ServiceAccount
name: goreplay
namespace: goreplay
roleRef:
kind: ClusterRole
name: pod-reader
apiGroup: ""
```
## 5. Start goreplay daemonset
`kubectl -n goreplay -f goreplay.yaml apply`
In arguments, specify which service you want to capture.
Following format supported:
```yaml
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: goreplay-daemon
spec:
  template:
    spec:
hostNetwork: true
serviceAccountName: goreplay
      containers:
      - name: goreplay
        image: buger/goreplay:latest
command:
- "--input-raw k8s://deployments/nginx:80"
- "--output-stdout"
```
## 6. Create a simple http service (Optionally)
`kubectl -n default -f nginx.yaml apply`
```yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx
labels:
app: nginx
spec:
replicas: 1
selector:
matchLabels:
app: nginx
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx
ports:
- containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
name: ngnix-service
spec:
selector:
app: nginx
type: NodePort
ports:
- protocol: TCP
port: 80
targetPort: 80
```
## 7. Verify installation
Find url for your service using `kubectl get svc` or `minikube service --url ngnix-service -n http`, and make a call to it.
Get GoReplay logs, and check if it capture traffic of your service.
`kubectl logs -n goreplay -l name=goreplay-daemon --all-containers`
-14
View File
@@ -1,14 +0,0 @@
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: pod-reader
rules:
- apiGroups: [""]
resources: ["pods"]
verbs: ["get", "watch", "list"]
- apiGroups: ["apps"]
resources: ["deployments"]
verbs: ["get", "watch", "list"]
- apiGroups: ["apps"]
resources: ["daemonsets"]
verbs: ["get", "watch", "list"]
-21
View File
@@ -1,21 +0,0 @@
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: goreplay-daemon
namespace: goreplay
spec:
selector:
matchLabels:
name: goreplay-daemon
template:
metadata:
labels:
name: goreplay-daemon
spec:
hostNetwork: true
serviceAccountName: goreplay
containers:
- name: goreplay-daemon
image: nicolaka/netshoot
command: [ "/bin/bash", "-c", "--" ]
args: [ "while true; do sleep 30; done;" ]
-36
View File
@@ -1,36 +0,0 @@
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx
labels:
app: nginx
spec:
replicas: 1
selector:
matchLabels:
app: nginx
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx
ports:
- containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
name: ngnix-service
spec:
selector:
app: nginx
type: NodePort
ports:
- protocol: TCP
port: 80
targetPort: 80
-12
View File
@@ -1,12 +0,0 @@
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: goreplay-reader-binding
subjects:
- kind: ServiceAccount
name: goreplay
namespace: goreplay
roleRef:
kind: ClusterRole
name: pod-reader
apiGroup: ""
+2 -1
View File
@@ -51,6 +51,7 @@ type KafkaMessage struct {
ReqHeaders map[string]string `json:"Req_Headers,omitempty"`
}
// NewTLSConfig loads TLS certificates
func NewTLSConfig(clientCertFile, clientKeyFile, caCertFile string) (*tls.Config, error) {
tlsConfig := tls.Config{}
@@ -62,7 +63,7 @@ func NewTLSConfig(clientCertFile, clientKeyFile, caCertFile string) (*tls.Config
return &tlsConfig, errors.New("missing TLS client certificate in kafka")
}
// Load client cert
if (clientCertFile != "") && (clientKeyFile != "") {
if (clientCertFile != "") && (clientKeyFile != "") {
cert, err := tls.LoadX509KeyPair(clientCertFile, clientKeyFile)
if err != nil {
return &tlsConfig, err
+66 -64
View File
@@ -9,12 +9,14 @@ import (
"sync/atomic"
"syscall"
"testing"
"github.com/buger/goreplay/proto"
)
const echoSh = "./examples/middleware/echo.sh"
const tokenModifier = "go run ./examples/middleware/token_modifier.go"
var withDebug = append(syscall.Environ(), "GOR_TEST=1")
var noDebug = append(syscall.Environ(), "GOR_TEST=1")
func initMiddleware(cmd *exec.Cmd, cancl context.CancelFunc, l PluginReader, c func(error)) *Middleware {
var m Middleware
@@ -50,7 +52,7 @@ func initCmd(command string, env []string) (*exec.Cmd, context.CancelFunc) {
func TestMiddlewareEarlyClose(t *testing.T) {
quit := make(chan struct{})
in := NewTestInput()
cmd, cancl := initCmd(echoSh, withDebug)
cmd, cancl := initCmd(echoSh, noDebug)
midd := initMiddleware(cmd, cancl, in, func(err error) {
if err != nil {
if e, ok := err.(*exec.ExitError); ok {
@@ -87,66 +89,66 @@ func TestMiddlewareEarlyClose(t *testing.T) {
<-quit
}
//func TestTokenMiddleware(t *testing.T) {
// quit := make(chan struct{})
// in := NewTestInput()
// in.skipHeader = true
// cmd, cancl := initCmd(tokenModifier, withDebug)
// midd := initMiddleware(cmd, cancl, in, func(err error) {})
// req := []byte("1 932079936fa4306fc308d67588178d17d823647c 1439818823587396305 200\nGET /token HTTP/1.1\r\nHost: example.org\r\n\r\n")
// res := []byte("2 932079936fa4306fc308d67588178d17d823647c 1439818823587396305 200\nHTTP/1.1 200 OK\r\nContent-Length: 10\r\nContent-Type: text/plain; charset=utf-8\r\n\r\n17d823647c")
// rep := []byte("3 932079936fa4306fc308d67588178d17d823647c 1439818823587396305 200\nHTTP/1.1 200 OK\r\nContent-Length: 15\r\nContent-Type: text/plain; charset=utf-8\r\n\r\n932079936fa4306")
// count := uint32(0)
// out := NewTestOutput(func(msg *Message) {
// if msg.Meta[0] == '1' && !bytes.Equal(payloadID(msg.Meta), payloadID(req)) {
// token, _, _ := proto.PathParam(msg.Data, []byte("token"))
// if !bytes.Equal(token, proto.Body(rep)) {
// t.Errorf("expected the token %s to be equal to the replayed response's token %s", token, proto.Body(rep))
// }
// }
// atomic.AddUint32(&count, 1)
// if atomic.LoadUint32(&count) == 2 {
// quit <- struct{}{}
// }
// })
// pl := &InOutPlugins{}
// pl.Inputs = []PluginReader{midd, in}
// pl.Outputs = []PluginWriter{out}
// pl.All = []interface{}{midd, out, in}
// e := NewEmitter()
// go e.Start(pl, "")
// in.EmitBytes(req) // emit original request
// in.EmitBytes(res) // emit its response
// in.EmitBytes(rep) // emit replayed response
// // emit the request which should have modified token
// token := []byte("1 8e091765ae902fef8a2b7d9dd96 14398188235873 100\nGET /?token=17d823647c HTTP/1.1\r\nHost: example.org\r\n\r\n")
// in.EmitBytes(token)
// <-quit
// midd.Close()
//}
func TestTokenMiddleware(t *testing.T) {
quit := make(chan struct{})
in := NewTestInput()
in.skipHeader = true
cmd, cancl := initCmd(tokenModifier, noDebug)
midd := initMiddleware(cmd, cancl, in, func(err error) {})
req := []byte("1 932079936fa4306fc308d67588178d17d823647c 1439818823587396305 200\nGET /token HTTP/1.1\r\nHost: example.org\r\n\r\n")
res := []byte("2 932079936fa4306fc308d67588178d17d823647c 1439818823587396305 200\nHTTP/1.1 200 OK\r\nContent-Length: 10\r\nContent-Type: text/plain; charset=utf-8\r\n\r\n17d823647c")
rep := []byte("3 932079936fa4306fc308d67588178d17d823647c 1439818823587396305 200\nHTTP/1.1 200 OK\r\nContent-Length: 15\r\nContent-Type: text/plain; charset=utf-8\r\n\r\n932079936fa4306")
count := uint32(0)
out := NewTestOutput(func(msg *Message) {
if msg.Meta[0] == '1' && !bytes.Equal(payloadID(msg.Meta), payloadID(req)) {
token, _, _ := proto.PathParam(msg.Data, []byte("token"))
if !bytes.Equal(token, proto.Body(rep)) {
t.Error("expected the token to be equal to the replayed responses's token")
}
}
atomic.AddUint32(&count, 1)
if atomic.LoadUint32(&count) == 2 {
quit <- struct{}{}
}
})
pl := &InOutPlugins{}
pl.Inputs = []PluginReader{midd, in}
pl.Outputs = []PluginWriter{out}
pl.All = []interface{}{midd, out, in}
e := NewEmitter()
go e.Start(pl, "")
in.EmitBytes(req) // emit original request
in.EmitBytes(res) // emit its response
in.EmitBytes(rep) // emit replayed response
// emit the request which should have modified token
token := []byte("1 8e091765ae902fef8a2b7d9dd96 14398188235873 100\nGET /?token=17d823647c HTTP/1.1\r\nHost: example.org\r\n\r\n")
in.EmitBytes(token)
<-quit
midd.Close()
}
//func TestMiddlewareWithPrettify(t *testing.T) {
// Settings.PrettifyHTTP = true
// quit := make(chan struct{})
// in := NewTestInput()
// cmd, cancl := initCmd(echoSh, withDebug)
// midd := initMiddleware(cmd, cancl, in, func(err error) {})
// var b1 = []byte("POST / HTTP/1.1\r\nHost: example.org\r\nTransfer-Encoding: chunked\r\n\r\n4\r\nWiki\r\n5\r\npedia\r\nE\r\n in\r\n\r\nchunks.\r\n0\r\n\r\n")
// var b2 = []byte("POST / HTTP/1.1\r\nHost: example.org\r\nContent-Length: 25\r\n\r\nWikipedia in\r\n\r\nchunks.")
// out := NewTestOutput(func(msg *Message) {
// if !bytes.Equal(proto.Body(b2), proto.Body(msg.Data)) {
// t.Errorf("expected %q body to equal %q body", b2, msg.Data)
// }
// quit <- struct{}{}
// })
// pl := &InOutPlugins{}
// pl.Inputs = []PluginReader{midd, in}
// pl.Outputs = []PluginWriter{out}
// pl.All = []interface{}{midd, out, in}
// e := NewEmitter()
// go e.Start(pl, "")
// in.EmitBytes(b1)
// <-quit
// midd.Close()
// Settings.PrettifyHTTP = false
//}
func TestMiddlewareWithPrettify(t *testing.T) {
Settings.PrettifyHTTP = true
quit := make(chan struct{})
in := NewTestInput()
cmd, cancl := initCmd(echoSh, noDebug)
midd := initMiddleware(cmd, cancl, in, func(err error) {})
var b1 = []byte("POST / HTTP/1.1\r\nHost: example.org\r\nTransfer-Encoding: chunked\r\n\r\n4\r\nWiki\r\n5\r\npedia\r\nE\r\n in\r\n\r\nchunks.\r\n0\r\n\r\n")
var b2 = []byte("POST / HTTP/1.1\r\nHost: example.org\r\nContent-Length: 25\r\n\r\nWikipedia in\r\n\r\nchunks.")
out := NewTestOutput(func(msg *Message) {
if !bytes.Equal(proto.Body(b2), proto.Body(msg.Data)) {
t.Errorf("expected %q body to equal %q body", b2, msg.Data)
}
quit <- struct{}{}
})
pl := &InOutPlugins{}
pl.Inputs = []PluginReader{midd, in}
pl.Outputs = []PluginWriter{out}
pl.All = []interface{}{midd, out, in}
e := NewEmitter()
go e.Start(pl, "")
in.EmitBytes(b1)
<-quit
midd.Close()
Settings.PrettifyHTTP = false
}
-22
View File
@@ -1,22 +0,0 @@
# nfpm example config file
#
# check https://nfpm.goreleaser.com/configuration for detailed usage
#
name: "GoReplay"
arch: "amd64"
platform: "linux"
version: "v1.3.1"
section: "default"
priority: "extra"
provides:
- goreplay
maintainer: "Leonid Bugaev <hello@goreplay.org>"
description: |
GoReplay is the simplest and safest way to test your app using real traffic before you put it into production.
vendor: "GoReplay"
homepage: "https://goreplay.org"
license: "AGPL"
contents:
- src: ./
dst: /usr/local/bin
type: dir
-1
View File
@@ -24,7 +24,6 @@ func (i *DummyOutput) PluginWrite(msg *Message) (int, error) {
n += nn
nn, err = os.Stdout.Write(payloadSeparatorAsBytes)
n += nn
return n, err
}
+15 -33
View File
@@ -7,7 +7,6 @@ import (
"fmt"
"io"
"log"
"math/rand"
"os"
"path/filepath"
"runtime/debug"
@@ -20,21 +19,6 @@ import (
"github.com/buger/goreplay/size"
)
var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
var instanceID string
func init() {
instanceID = randSeq(8)
}
func randSeq(n int) string {
b := make([]rune, n)
for i := range b {
b[i] = letters[rand.Intn(len(letters))]
}
return string(b)
}
var dateFileNameFuncs = map[string]func(*FileOutput) string{
"%Y": func(o *FileOutput) string { return time.Now().Format("2006") },
"%m": func(o *FileOutput) string { return time.Now().Format("01") },
@@ -45,7 +29,6 @@ var dateFileNameFuncs = map[string]func(*FileOutput) string{
"%NS": func(o *FileOutput) string { return fmt.Sprint(time.Now().Nanosecond()) },
"%r": func(o *FileOutput) string { return string(o.currentID) },
"%t": func(o *FileOutput) string { return string(o.payloadType) },
"%i": func(o *FileOutput) string { return instanceID },
}
// FileOutputConfig ...
@@ -62,17 +45,17 @@ type FileOutputConfig struct {
// FileOutput output plugin
type FileOutput struct {
sync.RWMutex
pathTemplate string
currentName string
file *os.File
QueueLength int
writer io.Writer
requestPerFile bool
currentID []byte
payloadType []byte
closed bool
currentFileSize int
totalFileSize size.Size
pathTemplate string
currentName string
file *os.File
QueueLength int
chunkSize int
writer io.Writer
requestPerFile bool
currentID []byte
payloadType []byte
closed bool
totalFileSize size.Size
config *FileOutputConfig
}
@@ -82,6 +65,7 @@ func NewFileOutput(pathTemplate string, config *FileOutputConfig) *FileOutput {
o := new(FileOutput)
o.pathTemplate = pathTemplate
o.config = config
o.updateName()
if strings.Contains(pathTemplate, "%r") {
o.requestPerFile = true
@@ -97,6 +81,7 @@ func NewFileOutput(pathTemplate string, config *FileOutputConfig) *FileOutput {
if o.IsClosed() {
break
}
o.updateName()
o.flush()
}
}()
@@ -172,7 +157,7 @@ func (o *FileOutput) filename() string {
if o.currentName == "" ||
((o.config.QueueLimit > 0 && o.QueueLength >= o.config.QueueLimit) ||
(o.config.SizeLimit > 0 && o.currentFileSize >= int(o.config.SizeLimit))) {
(o.config.SizeLimit > 0 && o.chunkSize >= int(o.config.SizeLimit))) {
nextChunk = true
}
@@ -251,7 +236,6 @@ func (o *FileOutput) PluginWrite(msg *Message) (n int, err error) {
n += nn
o.totalFileSize += size.Size(n)
o.currentFileSize += n
o.QueueLength++
if Settings.OutputFileConfig.OutputFileMaxSize > 0 && o.totalFileSize >= Settings.OutputFileConfig.OutputFileMaxSize {
@@ -280,7 +264,7 @@ func (o *FileOutput) flush() {
}
if stat, err := o.file.Stat(); err == nil {
o.currentFileSize = int(stat.Size())
o.chunkSize = int(stat.Size())
} else {
Debug(0, "[OUTPUT-HTTP] error accessing file size", err)
}
@@ -306,8 +290,6 @@ func (o *FileOutput) closeLocked() error {
}
o.closed = true
o.currentFileSize = 0
return nil
}
+2 -1
View File
@@ -39,7 +39,7 @@ func TestFileOutput(t *testing.T) {
emitter.Close()
var counter int64
input2 := NewFileInput("/tmp/test_requests.gor", false, 100, 0, false)
input2 := NewFileInput("/tmp/test_requests.gor", false)
output2 := NewTestOutput(func(*Message) {
atomic.AddInt64(&counter, 1)
wg.Done()
@@ -315,6 +315,7 @@ func TestFileOutputAppendSizeLimitOverflow(t *testing.T) {
name2 := output.file.Name()
output.flush()
output.updateName()
output.PluginWrite(&Message{Meta: []byte("1 1 1\r\n"), Data: []byte("test")})
name3 := output.file.Name()
-2
View File
@@ -215,7 +215,6 @@ func (o *HTTPOutput) sendRequest(client *HTTPClient, msg *Message) {
if !isRequestPayload(msg.Meta) {
return
}
uuid := payloadID(msg.Meta)
start := time.Now()
resp, err := client.Send(msg.Data)
@@ -322,6 +321,5 @@ func (c *HTTPClient) Send(data []byte) ([]byte, error) {
if c.config.TrackResponses {
return httputil.DumpResponse(resp, true)
}
_ = resp.Body.Close()
return nil, nil
}
+1 -1
View File
@@ -63,7 +63,7 @@ func NewS3Output(pathTemplate string, config *FileOutputConfig) *S3Output {
func (o *S3Output) connect() {
if o.session == nil {
o.session = session.Must(session.NewSession(awsConfig()))
log.Println("[S3 Output] S3 connection successfully initialized")
log.Println("[S3 Output] S3 connection succesfully initialized")
}
}
+5 -4
View File
@@ -11,7 +11,7 @@ import (
// TCPOutput used for sending raw tcp payloads
// Currently used for internal communication between listener and replay server
// Can be used for transferring binary payloads like protocol buffers
// Can be used for transfering binary payloads like protocol buffers
type TCPOutput struct {
address string
limit int
@@ -95,15 +95,16 @@ func (o *TCPOutput) worker(bufferIndex int) {
}
}
func (o *TCPOutput) getBufferIndex(msg *Message) int {
func (o *TCPOutput) getBufferIndex(data []byte) int {
if !o.config.Sticky {
o.workerIndex++
return int(o.workerIndex) % o.config.Workers
}
hasher := fnv.New32a()
hasher.Write(payloadID(msg.Meta))
hasher.Write(payloadMeta(data)[1])
return int(hasher.Sum32()) % o.config.Workers
}
// PluginWrite writes message to this plugin
@@ -112,7 +113,7 @@ func (o *TCPOutput) PluginWrite(msg *Message) (n int, err error) {
return len(msg.Data), nil
}
bufferIndex := o.getBufferIndex(msg)
bufferIndex := o.getBufferIndex(msg.Data)
o.buf[bufferIndex] <- msg
if Settings.OutputTCPStats {
+4 -5
View File
@@ -125,9 +125,8 @@ func TestBufferDistribution(t *testing.T) {
}
}
func getTestBytes() *Message {
return &Message{
Meta: payloadHeader(RequestPayload, uuid(), time.Now().UnixNano(), -1),
Data: []byte("GET / HTTP/1.1\r\nHost: www.w3.org\r\nUser-Agent: Go 1.1 package http\r\nAccept-Encoding: gzip\r\n\r\n"),
}
func getTestBytes() []byte {
reqh := payloadHeader(RequestPayload, uuid(), time.Now().UnixNano(), -1)
reqb := append(reqh, []byte("GET / HTTP/1.1\r\nHost: www.w3.org\r\nUser-Agent: Go 1.1 package http\r\nAccept-Encoding: gzip\r\n\r\n")...)
return reqb
}
+3 -2
View File
@@ -5,7 +5,7 @@ import (
"strings"
)
// Message represents data across plugins
// Message represents data accross plugins
type Message struct {
Meta []byte // metadata
Data []byte // actual data
@@ -83,6 +83,7 @@ func (plugins *InOutPlugins) registerPlugin(constructor interface{}, options ...
plugins.Outputs = append(plugins.Outputs, w)
}
plugins.All = append(plugins.All, plugin)
}
// NewPlugins specify and initialize all available plugins
@@ -118,7 +119,7 @@ func NewPlugins() *InOutPlugins {
}
for _, options := range Settings.InputFile {
plugins.registerPlugin(NewFileInput, options, Settings.InputFileLoop, Settings.InputFileReadDepth, Settings.InputFileMaxWait, Settings.InputFileDryRun)
plugins.registerPlugin(NewFileInput, options, Settings.InputFileLoop)
}
for _, path := range Settings.OutputFile {
+29 -55
View File
@@ -19,8 +19,6 @@ package proto
import (
"bufio"
"bytes"
_ "fmt"
"net/http"
"net/textproto"
"strings"
@@ -78,12 +76,9 @@ func header(payload []byte, name []byte) (value []byte, headerStart, headerEnd,
headerEnd += headerStart
colonIndex = bytes.IndexByte(payload[headerStart:headerEnd], ':')
if colonIndex == -1 {
// Malformed header, skip, most likely packet with partial headers
headerStart = headerEnd + 1
continue
break
}
colonIndex += headerStart
if bytes.EqualFold(payload[headerStart:colonIndex], name) {
valueStart = colonIndex + 1
valueEnd = headerEnd - 2
@@ -203,7 +198,7 @@ func Body(payload []byte) []byte {
return payload[pos:]
}
// Path takes payload and returns request path: Split(firstLine, ' ')[1]
// Path takes payload and retuns request path: Split(firstLine, ' ')[1]
func Path(payload []byte) []byte {
if !HasRequestTitle(payload) {
return nil
@@ -452,45 +447,34 @@ type ProtocolStateSetter interface {
ProtocolState() interface{}
}
type HTTPState struct {
Body int // body index
HeaderStart int
HeaderEnd int
HeaderParsed bool // we checked necessary headers
HasFullPayload bool // all chunks has been parsed
IsChunked bool // Transfer-Encoding: chunked
BodyLen int // Content-Length's value
HasTrailer bool // Trailer header?
Continue100 bool
type httpProto struct {
body int // body index
headerStart int
headerParsed bool // we checked necessary headers
hasFullBody bool // all chunks has been parsed
isChunked bool // Transfer-Encoding: chunked
bodyLen int // Content-Length's value
hasTrailer bool // Trailer header?
}
// HasFullPayload checks if this message has full or valid payloads and returns true.
// Message param is optional but recommended on cases where 'data' is storing
// partial-to-full stream of bytes(packets).
func HasFullPayload(m ProtocolStateSetter, payloads ...[]byte) bool {
var state *HTTPState
var state *httpProto
if m != nil {
state, _ = m.ProtocolState().(*HTTPState)
state, _ = m.ProtocolState().(*httpProto)
}
if state == nil {
state = new(HTTPState)
state = new(httpProto)
if m != nil {
m.SetProtocolState(state)
}
}
// Http Packets can only start with a few things, check if this is one of them
if len(payloads) == 0 {
return false
}
if !HasRequestTitle(payloads[0]) && !HasResponseTitle(payloads[0]) {
return false
}
if state.HeaderStart < 1 {
if state.headerStart < 1 {
for _, data := range payloads {
state.HeaderStart = MIMEHeadersStartPos(data)
if state.HeaderStart < 0 {
state.headerStart = MIMEHeadersStartPos(data)
if state.headerStart < 0 {
return false
} else {
break
@@ -498,7 +482,7 @@ func HasFullPayload(m ProtocolStateSetter, payloads ...[]byte) bool {
}
}
if state.Body < 1 || state.HeaderEnd < 1 {
if state.body < 1 {
var pos int
for _, data := range payloads {
endPos := MIMEHeadersEndPos(data)
@@ -506,42 +490,32 @@ func HasFullPayload(m ProtocolStateSetter, payloads ...[]byte) bool {
pos += len(data)
} else {
pos += endPos
state.HeaderEnd = pos
}
if endPos > 0 {
state.Body = pos
state.body = pos
break
}
}
}
if state.HeaderEnd < 1 {
return false
}
if !state.HeaderParsed {
if !state.headerParsed {
var pos int
for _, data := range payloads {
chunked := Header(data, []byte("Transfer-Encoding"))
if len(chunked) > 0 && bytes.Index(data, []byte("chunked")) > 0 {
state.IsChunked = true
state.isChunked = true
// trailers are generally not allowed in non-chunks body
state.HasTrailer = len(Header(data, []byte("Trailer"))) > 0
state.hasTrailer = len(Header(data, []byte("Trailer"))) > 0
} else {
contentLen := Header(data, []byte("Content-Length"))
state.BodyLen, _ = atoI(contentLen, 10)
state.bodyLen, _ = atoI(contentLen, 10)
}
pos += len(data)
if string(Header(data, []byte("Expect"))) == "100-continue" {
state.Continue100 = true
}
if state.BodyLen > 0 || pos >= state.Body {
state.HeaderParsed = true
if state.bodyLen > 0 || pos >= state.body {
state.headerParsed = true
break
}
}
@@ -551,22 +525,22 @@ func HasFullPayload(m ProtocolStateSetter, payloads ...[]byte) bool {
for _, data := range payloads {
bodyLen += len(data)
}
bodyLen -= state.Body
bodyLen -= state.body
if state.IsChunked {
if state.isChunked {
// check chunks
if bodyLen < 1 {
return false
}
// check trailer headers
if state.HasTrailer {
if state.hasTrailer {
if bytes.HasSuffix(payloads[len(payloads)-1], []byte("\r\n\r\n")) {
return true
}
} else {
if bytes.HasSuffix(payloads[len(payloads)-1], []byte("0\r\n\r\n")) {
state.HasFullPayload = true
state.hasFullBody = true
return true
}
}
@@ -575,7 +549,7 @@ func HasFullPayload(m ProtocolStateSetter, payloads ...[]byte) bool {
}
// check for content-length header
return state.BodyLen == bodyLen
return state.bodyLen == bodyLen
}
// this works with positive integers
-14
View File
@@ -56,12 +56,6 @@ func TestHeader(t *testing.T) {
if val = Header(payload, []byte("host")); !bytes.Equal(val, []byte("www.w3.org")) {
t.Error("Should find lower case 1 word header")
}
payload = []byte("GT\r\nContent-Length: 10\r\n\r\n")
if val = Header(payload, []byte("Content-Length")); !bytes.Equal(val, []byte("10")) {
t.Error("Should find in partial payload")
}
}
func TestMIMEHeadersEndPos(t *testing.T) {
@@ -485,14 +479,6 @@ func TestHasFullPayload(t *testing.T) {
if got != expected {
t.Errorf("expected %v to equal %v", got, expected)
}
// check with trailer and no header
m = "Content-Type: text/plain\r\nContent-Length: 23\r\n\r\nMozillaDeveloperNetwork"
got = HasFullPayload(nil, []byte(m))
expected = false
if got != expected {
t.Errorf("expected %v to equal %v", got, expected)
}
}
func BenchmarkHasFullPayload(b *testing.B) {
-205
View File
@@ -1,205 +0,0 @@
package ring
import (
"errors"
"runtime"
"sync/atomic"
"time"
)
var (
// ErrDisposed is returned when an operation is performed on a disposed
// queue.
ErrDisposed = errors.New(`queue: disposed`)
// ErrTimeout is returned when an applicable queue operation times out.
ErrTimeout = errors.New(`queue: poll timed out`)
// ErrEmptyQueue is returned when an non-applicable queue operation was called
// due to the queue's empty item state
ErrEmptyQueue = errors.New(`queue: empty queue`)
)
// roundUp takes a uint64 greater than 0 and rounds it up to the next
// power of 2.
func roundUp(v uint64) uint64 {
v--
v |= v >> 1
v |= v >> 2
v |= v >> 4
v |= v >> 8
v |= v >> 16
v |= v >> 32
v++
return v
}
type node struct {
position uint64
data interface{}
}
type nodes []node
// RingBuffer is a MPMC buffer that achieves threadsafety with CAS operations
// only. A put on full or get on empty call will block until an item
// is put or retrieved. Calling Dispose on the RingBuffer will unblock
// any blocked threads with an error. This buffer is similar to the buffer
// described here: http://www.1024cores.net/home/lock-free-algorithms/queues/bounded-mpmc-queue
// with some minor additions.
type RingBuffer struct {
_padding0 [8]uint64
queue uint64
_padding1 [8]uint64
dequeue uint64
_padding2 [8]uint64
mask, disposed uint64
_padding3 [8]uint64
nodes nodes
}
func (rb *RingBuffer) init(size uint64) {
size = roundUp(size)
rb.nodes = make(nodes, size)
for i := uint64(0); i < size; i++ {
rb.nodes[i] = node{position: i}
}
rb.mask = size - 1 // so we don't have to do this with every put/get operation
}
// Put adds the provided item to the queue. If the queue is full, this
// call will block until an item is added to the queue or Dispose is called
// on the queue. An error will be returned if the queue is disposed.
func (rb *RingBuffer) Put(item interface{}) error {
_, err := rb.put(item, false)
return err
}
// Offer adds the provided item to the queue if there is space. If the queue
// is full, this call will return false. An error will be returned if the
// queue is disposed.
func (rb *RingBuffer) Offer(item interface{}) (bool, error) {
return rb.put(item, true)
}
func (rb *RingBuffer) put(item interface{}, offer bool) (bool, error) {
var n *node
pos := atomic.LoadUint64(&rb.queue)
L:
for {
if atomic.LoadUint64(&rb.disposed) == 1 {
return false, ErrDisposed
}
n = &rb.nodes[pos&rb.mask]
seq := atomic.LoadUint64(&n.position)
switch dif := seq - pos; {
case dif == 0:
if atomic.CompareAndSwapUint64(&rb.queue, pos, pos+1) {
break L
}
case dif < 0:
panic(`Ring buffer in a compromised state during a put operation.`)
default:
pos = atomic.LoadUint64(&rb.queue)
}
if offer {
return false, nil
}
runtime.Gosched() // free up the cpu before the next iteration
}
n.data = item
atomic.StoreUint64(&n.position, pos+1)
return true, nil
}
// Get will return the next item in the queue. This call will block
// if the queue is empty. This call will unblock when an item is added
// to the queue or Dispose is called on the queue. An error will be returned
// if the queue is disposed.
func (rb *RingBuffer) Get() (interface{}, error) {
return rb.Poll(0)
}
// Poll will return the next item in the queue. This call will block
// if the queue is empty. This call will unblock when an item is added
// to the queue, Dispose is called on the queue, or the timeout is reached. An
// error will be returned if the queue is disposed or a timeout occurs. A
// non-positive timeout will block indefinitely.
func (rb *RingBuffer) Poll(timeout time.Duration) (interface{}, error) {
var (
n *node
pos = atomic.LoadUint64(&rb.dequeue)
start time.Time
)
if timeout > 0 {
start = time.Now()
}
L:
for {
if atomic.LoadUint64(&rb.disposed) == 1 {
return nil, ErrDisposed
}
n = &rb.nodes[pos&rb.mask]
seq := atomic.LoadUint64(&n.position)
switch dif := seq - (pos + 1); {
case dif == 0:
if atomic.CompareAndSwapUint64(&rb.dequeue, pos, pos+1) {
break L
}
case dif < 0:
panic(`Ring buffer in compromised state during a get operation.`)
default:
pos = atomic.LoadUint64(&rb.dequeue)
}
if timeout > 0 && time.Since(start) >= timeout {
return nil, ErrTimeout
}
if timeout < 0 {
return nil, ErrTimeout
}
runtime.Gosched() // free up the cpu before the next iteration
}
data := n.data
n.data = nil
atomic.StoreUint64(&n.position, pos+rb.mask+1)
return data, nil
}
// Len returns the number of items in the queue.
func (rb *RingBuffer) Len() uint64 {
return atomic.LoadUint64(&rb.queue) - atomic.LoadUint64(&rb.dequeue)
}
// Cap returns the capacity of this ring buffer.
func (rb *RingBuffer) Cap() uint64 {
return uint64(len(rb.nodes))
}
// Dispose will dispose of this queue and free any blocked threads
// in the Put and/or Get methods. Calling those methods on a disposed
// queue will return an error.
func (rb *RingBuffer) Dispose() {
atomic.CompareAndSwapUint64(&rb.disposed, 0, 1)
}
// IsDisposed will return a bool indicating if this queue has been
// disposed.
func (rb *RingBuffer) IsDisposed() bool {
return atomic.LoadUint64(&rb.disposed) == 1
}
// NewRingBuffer will allocate, initialize, and return a ring buffer
// with the specified size.
func NewRingBuffer(size uint64) *RingBuffer {
rb := &RingBuffer{}
rb.init(size)
return rb
}
+1 -1
View File
@@ -60,7 +60,7 @@ func NewS3ReadCloser(path string) *S3ReadCloser {
bucket, key := parseS3Url(path)
sess := session.Must(session.NewSession(awsConfig()))
log.Println("[S3 Input] S3 connection successfully initialized", path)
log.Println("[S3 Input] S3 connection succesfully initialized", path)
return &S3ReadCloser{
bucket: bucket,
+1 -1
View File
@@ -127,7 +127,7 @@ func TestInputFileFromS3(t *testing.T) {
<-output.closeCh
}
input := NewFileInput(fmt.Sprintf("s3://test-gor-eu/%d", rnd), false, 100, 0, false)
input := NewFileInput(fmt.Sprintf("s3://test-gor-eu/%d", rnd), false)
buf := make([]byte, 1000)
for i := 0; i <= 19999; i++ {
+6 -13
View File
@@ -45,13 +45,10 @@ type AppSettings struct {
OutputTCPConfig TCPOutputConfig
OutputTCPStats bool `json:"output-tcp-stats"`
InputFile MultiOption `json:"input-file"`
InputFileLoop bool `json:"input-file-loop"`
InputFileReadDepth int `json:"input-file-read-depth"`
InputFileDryRun bool `json:"input-file-dry-run"`
InputFileMaxWait time.Duration `json:"input-file-max-wait"`
OutputFile MultiOption `json:"output-file"`
OutputFileConfig FileOutputConfig
InputFile MultiOption `json:"input-file"`
InputFileLoop bool `json:"input-file-loop"`
OutputFile MultiOption `json:"output-file"`
OutputFileConfig FileOutputConfig
InputRAW MultiOption `json:"input_raw"`
RAWInputConfig
@@ -116,9 +113,6 @@ func init() {
flag.Var(&Settings.InputFile, "input-file", "Read requests from file: \n\tgor --input-file ./requests.gor --output-http staging.com")
flag.BoolVar(&Settings.InputFileLoop, "input-file-loop", false, "Loop input files, useful for performance testing.")
flag.IntVar(&Settings.InputFileReadDepth, "input-file-read-depth", 100, "GoReplay tries to read and cache multiple records, in advance. In parallel it also perform sorting of requests, if they came out of order. Since it needs hold this buffer in memory, bigger values can cause worse performance")
flag.BoolVar(&Settings.InputFileDryRun, "input-file-dry-run", false, "Simulate reading from the data source without replaying it. You will get information about expected replay time, number of found records etc.")
flag.DurationVar(&Settings.InputFileMaxWait, "input-file-max-wait", 0, "Set the maximum time between requests. Can help in situations when you have too long periods between request, and you want to skip them. Example: --input-raw-max-wait 1s")
flag.Var(&Settings.OutputFile, "output-file", "Write incoming requests to file: \n\tgor --input-raw :80 --output-file ./requests.gor")
flag.DurationVar(&Settings.OutputFileConfig.FlushInterval, "output-file-flush-interval", time.Second, "Interval for forcing buffer flush to the file, default: 1s.")
@@ -129,7 +123,7 @@ func init() {
flag.StringVar(&Settings.OutputFileConfig.BufferPath, "output-file-buffer", "/tmp", "The path for temporary storing current buffer: \n\tgor --input-raw :80 --output-file s3://mybucket/logs/%Y-%m-%d.gz --output-file-buffer /mnt/logs")
flag.BoolVar(&Settings.PrettifyHTTP, "prettify-http", false, "If enabled, will automatically decode requests and responses with: Content-Encoding: gzip and Transfer-Encoding: chunked. Useful for debugging, in conjunction with --output-stdout")
flag.BoolVar(&Settings.PrettifyHTTP, "prettify-http", false, "If enabled, will automatically decode requests and responses with: Content-Encoding: gzip and Transfer-Encoding: chunked. Useful for debugging, in conjuction with --output-stdout")
// input raw flags
flag.Var(&Settings.InputRAW, "input-raw", "Capture traffic from given port (use RAW sockets and require *sudo* access):\n\t# Capture traffic from 8080 port\n\tgor --input-raw :8080 --output-http staging.com")
@@ -147,7 +141,6 @@ func init() {
flag.BoolVar(&Settings.Promiscuous, "input-raw-promisc", false, "enable promiscuous mode")
flag.BoolVar(&Settings.Monitor, "input-raw-monitor", false, "enable RF monitor mode")
flag.BoolVar(&Settings.Stats, "input-raw-stats", false, "enable stats generator on raw TCP messages")
flag.BoolVar(&Settings.AllowIncomplete, "input-raw-allow-incomplete", false, "If turned on Gor will record HTTP messages with missing packets")
flag.StringVar(&Settings.Middleware, "middleware", "", "Used for modifying traffic using external command")
@@ -194,7 +187,7 @@ func init() {
flag.StringVar(&Settings.KafkaTLSConfig.ClientCert, "kafka-tls-client-cert", "", "Client certificate for Kafka TLS Config (mandatory with to kafka-tls-ca-cert and kafka-tls-client-key)")
flag.StringVar(&Settings.KafkaTLSConfig.ClientKey, "kafka-tls-client-key", "", "Client Key for Kafka TLS Config (mandatory with to kafka-tls-client-cert and kafka-tls-client-key)")
flag.Var(&Settings.ModifierConfig.Headers, "http-set-header", "Inject additional headers to http request:\n\tgor --input-raw :8080 --output-http staging.com --http-set-header 'User-Agent: Gor'")
flag.Var(&Settings.ModifierConfig.Headers, "http-set-header", "Inject additional headers to http reqest:\n\tgor --input-raw :8080 --output-http staging.com --http-set-header 'User-Agent: Gor'")
flag.Var(&Settings.ModifierConfig.HeaderRewrite, "http-rewrite-header", "Rewrite the request header based on a mapping:\n\tgor --input-raw :8080 --output-http staging.com --http-rewrite-header Host: (.*).example.com,$1.beta.example.com")
flag.Var(&Settings.ModifierConfig.Params, "http-set-param", "Set request url param, if param already exists it will be overwritten:\n\tgor --input-raw :8080 --output-http staging.com --http-set-param api_key=1")
flag.Var(&Settings.ModifierConfig.Methods, "http-allow-method", "Whitelist of HTTP methods to replay. Anything else will be dropped:\n\tgor --input-raw :8080 --output-http staging.com --http-allow-method GET --http-allow-method OPTIONS")
-17
View File
@@ -1,17 +0,0 @@
package simpletime
import (
"time"
)
var Now time.Time
func init() {
go func() {
for {
// Accurate enough
Now = time.Now()
time.Sleep(100 * time.Millisecond)
}
}()
}
+108 -210
View File
@@ -4,49 +4,12 @@ import (
"encoding/binary"
"encoding/hex"
"fmt"
"net"
"reflect"
"sort"
"time"
"unsafe"
"github.com/buger/goreplay/proto"
"github.com/buger/goreplay/size"
)
// TCPProtocol is a number to indicate type of protocol
type TCPProtocol uint8
const (
// ProtocolHTTP ...
ProtocolHTTP TCPProtocol = iota
// ProtocolBinary ...
ProtocolBinary
)
// Set is here so that TCPProtocol can implement flag.Var
func (protocol *TCPProtocol) Set(v string) error {
switch v {
case "", "http":
*protocol = ProtocolHTTP
case "binary":
*protocol = ProtocolBinary
default:
return fmt.Errorf("unsupported protocol %s", v)
}
return nil
}
func (protocol *TCPProtocol) String() string {
switch *protocol {
case ProtocolBinary:
return "binary"
case ProtocolHTTP:
return "http"
default:
return ""
}
}
// Stats every message carry its own stats object
type Stats struct {
LostData int
@@ -55,7 +18,7 @@ type Stats struct {
End time.Time // last packet's timestamp
SrcAddr string
DstAddr string
Direction Dir
IsRequest bool
TimedOut bool // timeout before getting the whole message
Truncated bool // last packet truncated due to max message size
IPversion byte
@@ -63,10 +26,9 @@ type Stats struct {
// Message is the representation of a tcp message
type Message struct {
packets []*Packet
parser *MessageParser
feedback interface{}
continueAdjusted bool
packets []*Packet
parser *MessageParser
feedback interface{}
Stats
}
@@ -76,7 +38,7 @@ func (m *Message) UUID() []byte {
pckt := m.packets[0]
// check if response or request have generated the ID before.
if m.Direction == DirIncoming {
if m.IsRequest {
streamID = uint64(pckt.SrcPort)<<48 | uint64(pckt.DstPort)<<32 |
uint64(ip2int(pckt.SrcIP))
} else {
@@ -87,7 +49,7 @@ func (m *Message) UUID() []byte {
id := make([]byte, 12)
binary.BigEndian.PutUint64(id, streamID)
if m.Direction == DirIncoming {
if m.IsRequest {
binary.BigEndian.PutUint32(id[8:], pckt.Ack)
} else {
binary.BigEndian.PutUint32(id[8:], pckt.Seq)
@@ -99,11 +61,13 @@ func (m *Message) UUID() []byte {
return uuidHex
}
func (m *Message) add(packet *Packet) bool {
func (m *Message) add(packet *Packet) {
// fmt.Println("SEQ:", packet.Seq, " - ", len(packet.Payload))
// Skip duplicates
for _, p := range m.packets {
if p.Seq == packet.Seq {
return false
return
}
}
@@ -127,8 +91,6 @@ func (m *Message) add(packet *Packet) bool {
if packet.Timestamp.After(m.End) || m.End.IsZero() {
m.End = packet.Timestamp
}
return true
}
// Packets returns packets of the message
@@ -151,7 +113,11 @@ func (m *Message) MissingChunk() bool {
}
func (m *Message) PacketData() [][]byte {
tmp := make([][]byte, len(m.packets))
var totalLen int
for _, p := range m.packets {
totalLen += len(p.Payload)
}
tmp := make([][]byte, totalLen)
for i, p := range m.packets {
tmp[i] = p.Payload
@@ -162,18 +128,15 @@ func (m *Message) PacketData() [][]byte {
// Data returns data in this message
func (m *Message) Data() []byte {
packetData := m.PacketData()
tmp := packetData[0]
if len(packetData) > 0 {
tmp, _ = copySlice(tmp, len(packetData[0]), packetData[1:]...)
var totalLen int
for _, p := range m.packets {
totalLen += len(p.Payload)
}
tmp := make([]byte, totalLen)
// Remove Expect header, since its replay not fully supported
if state, ok := m.feedback.(*proto.HTTPState); ok {
if state.Continue100 {
tmp = proto.DeleteHeader(tmp, []byte("Expect"))
}
var i int
for _, p := range m.packets {
i += copy(tmp[i:], p.Payload)
}
return tmp
@@ -194,9 +157,20 @@ func (m *Message) Sort() {
sort.SliceStable(m.packets, func(i, j int) bool { return m.packets[i].Seq < m.packets[j].Seq })
}
func (m *Message) Finalize() {
// Allow re-use memory
for _, p := range m.packets {
packetPool.Put(p)
}
}
// Emitter message handler
type Emitter func(*Message)
// Debugger is the debugger function. first params is the indicator of the issue's priority
// the higher the number, the lower the priority. it can be 4 <= level <= 6.
type Debugger func(int, ...interface{})
// HintEnd hints the parser to stop the session, see MessageParser.End
// when set, it will be executed before checking FIN or RST flag
type HintEnd func(*Message) bool
@@ -208,65 +182,62 @@ type HintStart func(*Packet) (IsRequest, IsOutgoing bool)
// MessageParser holds data of all tcp messages in progress(still receiving/sending packets).
// message is identified by its source port and dst port, and last 4bytes of src IP.
type MessageParser struct {
m map[uint64]*Message
messageExpire time.Duration // the maximum time to wait for the final packet, minimum is 100ms
allowIncompete bool
End HintEnd
Start HintStart
ticker *time.Ticker
messages chan *Message
packets chan *PcapPacket
close chan struct{} // to signal that we are able to close
ports []uint16
ips []net.IP
debug Debugger
maxSize size.Size // maximum message size, default 5mb
m map[uint64]*Message
emit Emitter
messageExpire time.Duration // the maximum time to wait for the final packet, minimum is 100ms
End HintEnd
Start HintStart
ticker *time.Ticker
packets chan *Packet
msgs int32 // messages in the parser
close chan struct{} // to signal that we are able to close
}
// NewMessageParser returns a new instance of message parser
func NewMessageParser(messages chan *Message, ports []uint16, ips []net.IP, messageExpire time.Duration, allowIncompete bool) (parser *MessageParser) {
func NewMessageParser(maxSize size.Size, messageExpire time.Duration, debugger Debugger, emitHandler Emitter) (parser *MessageParser) {
parser = new(MessageParser)
parser.messageExpire = messageExpire
if parser.messageExpire == 0 {
parser.messageExpire = time.Millisecond * 1000
parser.debug = debugger
parser.emit = emitHandler
parser.messageExpire = time.Millisecond * 100
if parser.messageExpire < messageExpire {
parser.messageExpire = messageExpire
}
parser.allowIncompete = allowIncompete
parser.packets = make(chan *PcapPacket, 10000)
if messages == nil {
messages = make(chan *Message, 1000)
parser.maxSize = maxSize
if parser.maxSize < 1 {
parser.maxSize = 5 << 20
}
parser.messages = messages
parser.packets = make(chan *Packet, 1000)
parser.m = make(map[uint64]*Message)
parser.ticker = time.NewTicker(time.Millisecond * 100)
parser.ticker = time.NewTicker(time.Millisecond * 50)
parser.close = make(chan struct{}, 1)
parser.ports = ports
parser.ips = ips
go parser.wait()
return parser
}
var packetLen int
var totalCounter int
// Packet returns packet handler
func (parser *MessageParser) PacketHandler(packet *PcapPacket) {
packetLen++
func (parser *MessageParser) PacketHandler(packet *Packet) {
parser.packets <- packet
totalCounter++
if totalCounter%10000 == 0 {
fmt.Println(totalCounter, len(parser.packets))
}
}
func (parser *MessageParser) wait() {
var (
now time.Time
pckt *Packet
now time.Time
)
for {
select {
case pckt := <-parser.packets:
parser.processPacket(parser.parsePacket(pckt))
case pckt = <-parser.packets:
parser.processPacket(pckt)
case now = <-parser.ticker.C:
parser.timer(now)
case <-parser.close:
@@ -274,159 +245,86 @@ func (parser *MessageParser) wait() {
// parser.Close should wait for this function to return
parser.close <- struct{}{}
return
// default:
}
}
}
func (parser *MessageParser) parsePacket(pcapPkt *PcapPacket) *Packet {
pckt, err := ParsePacket(pcapPkt.Data, pcapPkt.LType, pcapPkt.LTypeLen, pcapPkt.Ci, false)
if err != nil {
if _, empty := err.(EmptyPacket); !empty {
stats.Add("packet_error", 1)
}
return nil
}
for _, p := range parser.ports {
if pckt.DstPort == p {
for _, ip := range parser.ips {
if pckt.DstIP.Equal(ip) {
pckt.Direction = DirIncoming
break
}
}
break
}
}
return pckt
}
func (parser *MessageParser) processPacket(pckt *Packet) {
if pckt == nil {
return
}
var in, out bool
// Trying to build unique hash, but there is small chance of collision
// No matter if it is request or response, all packets in the same message have same
m, ok := parser.m[pckt.MessageID()]
switch {
case ok:
if m.Direction == DirUnknown {
if in, out := parser.Start(pckt); in || out {
if in {
m.Direction = DirIncoming
} else {
m.Direction = DirOutcoming
}
}
}
parser.addPacket(m, pckt)
return
case pckt.Direction == DirUnknown && parser.Start != nil:
if in, out := parser.Start(pckt); in || out {
if in {
pckt.Direction = DirIncoming
} else {
pckt.Direction = DirOutcoming
case parser.Start != nil:
if in, out = parser.Start(pckt); !(in || out) {
// Packet can be received out of order, so give it another chance
if pckt.Retry < 1 && len(pckt.Payload) > 0 {
// Requeue not known packets
pckt.Retry++
select {
case parser.packets <- pckt:
default:
packetPool.Put(pckt)
// fmt.Println("Skipping packet")
}
}
return
}
}
m = new(Message)
m.Direction = pckt.Direction
m.SrcAddr = pckt.SrcIP.String()
m.DstAddr = pckt.DstIP.String()
m.IsRequest = in
parser.m[pckt.MessageID()] = m
m.Start = pckt.Timestamp
m.parser = parser
parser.addPacket(m, pckt)
}
func (parser *MessageParser) addPacket(m *Message, pckt *Packet) bool {
if !m.add(pckt) {
return false
func (parser *MessageParser) addPacket(m *Message, pckt *Packet) {
trunc := m.Length + len(pckt.Payload) - int(parser.maxSize)
if trunc > 0 {
m.Truncated = true
pckt.Payload = pckt.Payload[:int(parser.maxSize)-m.Length]
}
m.add(pckt)
switch {
// if one of this cases matches, we dispatch the message
case trunc >= 0:
case parser.End != nil && parser.End(m):
default:
// continue to receive packets
return
}
// If we are using protocol parsing, like HTTP, depend on its parsing func.
// For the binary procols wait for message to expire
if parser.End != nil {
if parser.End(m) {
parser.Emit(m)
return true
}
parser.Fix100Continue(m)
}
return true
}
func (parser *MessageParser) Fix100Continue(m *Message) {
// Only adjust a message once
if state, ok := m.feedback.(*proto.HTTPState); ok && state.Continue100 && !m.continueAdjusted {
// Shift Ack by given offset
// Size of "HTTP/1.1 100 Continue\r\n\r\n" message
for _, p := range m.packets {
p.messageID = 0
p.Ack += 25
}
// If next section was aready approved and received, merge messages
if next, found := parser.m[m.packets[0].MessageID()]; found {
for _, p := range next.packets {
parser.addPacket(m, p)
}
}
// Re-add (or override) again with new message and ID
parser.m[m.packets[0].MessageID()] = m
m.continueAdjusted = true
}
}
func (parser *MessageParser) Read() *Message {
m := <-parser.messages
return m
parser.Emit(m)
}
func (parser *MessageParser) Emit(m *Message) {
stats.Add("message_count", 1)
delete(parser.m, m.packets[0].MessageID())
parser.messages <- m
parser.emit(m)
}
func GetUnexportedField(field reflect.Value) interface{} {
return reflect.NewAt(field.Type(), unsafe.Pointer(field.UnsafeAddr())).Elem().Interface()
}
var failMsg int
func (parser *MessageParser) timer(now time.Time) {
packetLen = 0
packetQueueLen.Set(int64(len(parser.packets)))
messageQueueLen.Set(int64(len(parser.m)))
for _, m := range parser.m {
if now.Sub(m.End) > parser.messageExpire {
m.TimedOut = true
stats.Add("message_timeout_count", 1)
failMsg++
if parser.End == nil || parser.allowIncompete {
parser.Emit(m)
}
delete(parser.m, m.packets[0].MessageID())
parser.Emit(m)
}
}
}
// this function should not block other parser operations
func (parser *MessageParser) Debug(level int, args ...interface{}) {
if parser.debug != nil {
parser.debug(level, args...)
}
}
func (parser *MessageParser) Close() error {
parser.close <- struct{}{}
<-parser.close // wait for timer to be closed!
+30 -96
View File
@@ -2,54 +2,28 @@ package tcp
import (
"encoding/binary"
"expvar"
"fmt"
"net"
"sync"
"time"
"github.com/google/gopacket"
)
func copySlice(to []byte, skip int, from ...[]byte) ([]byte, int) {
var totalLen int
for _, s := range from {
totalLen += len(s)
func copySlice(b, a []byte) []byte {
if cap(b) < len(a) {
b = make([]byte, len(a))
}
totalLen += skip
if cap(to) < totalLen {
diff := totalLen - cap(to)
to = append(to, make([]byte, diff)...)
}
for _, s := range from {
skip += copy(to[skip:], s)
}
return to, skip
copy(b, a)
return b[:len(a)]
}
var stats *expvar.Map
var packetQueueLen, messageQueueLen *expvar.Int
func init() {
packetQueueLen = new(expvar.Int)
messageQueueLen = new(expvar.Int)
stats = expvar.NewMap("tcp")
stats.Init()
stats.Set("packet_queue", packetQueueLen)
stats.Set("message_queue", messageQueueLen)
var packetPool = sync.Pool{
New: func() interface{} {
return new(Packet)
},
}
type Dir int
const (
DirUnknown = iota
DirIncoming
DirOutcoming
)
/*
Packet represent data and layers of packet.
parser extracts information from pcap Packet. functions of *Packet doesn't validate if packet is nil,
@@ -57,7 +31,6 @@ calllers must make sure that ParsePacket has'nt returned any error before callin
function.
*/
type Packet struct {
Direction Dir
messageID uint64
SrcIP, DstIP net.IP
Version uint8
@@ -66,45 +39,24 @@ type Packet struct {
ACK, SYN, FIN, RST bool
Lost uint32
Retry int
CaptureLength int
Timestamp time.Time
Payload []byte
buf []byte
created time.Time
gc bool
}
type PcapPacket struct {
Data []byte
LType int
LTypeLen int
Ci *gopacket.CaptureInfo
}
// ParsePacket parse raw packets
func ParsePacket(data []byte, lType, lTypeLen int, ci *gopacket.CaptureInfo, allowEmpty bool) (pckt *Packet, err error) {
pckt = new(Packet)
if err := pckt.parse(data, lType, lTypeLen, ci, allowEmpty); err != nil {
return nil, err
}
return pckt, nil
}
func (pckt *Packet) parse(data []byte, lType, lTypeLen int, cp *gopacket.CaptureInfo, allowEmpty bool) error {
func ParsePacket(data []byte, lType, lTypeLen int, cp *gopacket.CaptureInfo) (pckt *Packet, err error) {
pckt = packetPool.Get().(*Packet)
pckt.Retry = 0
pckt.messageID = 0
pckt.buf = pckt.buf[:]
// TODO: check resolution
pckt.Timestamp = cp.Timestamp
if len(data) < lTypeLen {
return ErrHdrLength("Link")
return nil, ErrHdrLength("Link")
}
if len(data) <= lTypeLen {
return ErrHdrMissing("IPv4 or IPv6")
return nil, ErrHdrMissing("IPv4 or IPv6")
}
ldata := data[lTypeLen:]
@@ -114,72 +66,63 @@ func (pckt *Packet) parse(data []byte, lType, lTypeLen int, cp *gopacket.Capture
if ldata[0]>>4 == 4 {
// IPv4 header
if len(ldata) < 20 {
return ErrHdrLength("IPv4")
return nil, ErrHdrLength("IPv4")
}
proto = ldata[9]
ihl := int(ldata[0]&0x0F) * 4
if ihl < 20 {
return ErrHdrInvalid("IPv4's IHL")
return nil, ErrHdrInvalid("IPv4's IHL")
}
if len(ldata) < ihl {
return ErrHdrLength("IPv4 opts")
return nil, ErrHdrLength("IPv4 opts")
}
netLayer = ldata[:ihl]
} else if ldata[0]>>4 == 6 {
if len(ldata) < 40 {
return ErrHdrLength("IPv6")
return nil, ErrHdrLength("IPv6")
}
proto = ldata[6]
totalLen := 40
for ipv6ExtensionHdr(proto) {
hdr := len(ldata) - totalLen
if hdr < 8 {
return ErrHdrExpected("IPv6 opts")
return nil, ErrHdrExpected("IPv6 opts")
}
extLen := 8
if proto != 44 {
extLen = int(ldata[totalLen+1]+1) * 8
}
if hdr < extLen {
return ErrHdrLength("IPv6 opts")
return nil, ErrHdrLength("IPv6 opts")
}
proto = ldata[totalLen]
totalLen += extLen
}
netLayer = ldata[:totalLen]
} else {
return ErrHdrExpected("IPv4 or IPv6")
return nil, ErrHdrExpected("IPv4 or IPv6")
}
if proto != 6 {
return ErrHdrExpected("TCP")
return nil, ErrHdrExpected("TCP")
}
if len(data) <= len(netLayer) {
return ErrHdrMissing("TCP")
return nil, ErrHdrMissing("TCP")
}
ndata := ldata[len(netLayer):]
// TCP header
if len(ndata) < 20 {
return ErrHdrLength("TCP")
return nil, ErrHdrLength("TCP")
}
dOf := int(ndata[12]>>4) * 4
if dOf < 20 {
return ErrHdrInvalid("TCP's ndata offset")
return nil, ErrHdrInvalid("TCP's ndata offset")
}
if len(ndata) < dOf {
return ErrHdrLength("TCP opts")
return nil, ErrHdrLength("TCP opts")
}
// There are case when packet have padding but dOf shows its not
empty := true
for i := 0; i < len(ndata[dOf:]); i++ {
if ndata[dOf:][i] != 0 {
empty = false
break
}
}
if !allowEmpty && empty {
return EmptyPacket("")
if len(ndata[dOf:]) == 0 {
return nil, fmt.Errorf("Packet without Data")
}
if (netLayer[0] >> 4) == 4 {
@@ -196,7 +139,6 @@ func (pckt *Packet) parse(data []byte, lType, lTypeLen int, cp *gopacket.Capture
transLayer = ndata[:dOf]
pckt.CaptureLength = cp.CaptureLength
pckt.SrcPort = binary.BigEndian.Uint16(transLayer[0:2])
pckt.DstPort = binary.BigEndian.Uint16(transLayer[2:4])
pckt.Seq = binary.BigEndian.Uint32(transLayer[4:8])
@@ -206,10 +148,8 @@ func (pckt *Packet) parse(data []byte, lType, lTypeLen int, cp *gopacket.Capture
pckt.RST = transLayer[13]&0x04 != 0
pckt.ACK = transLayer[13]&0x10 != 0
pckt.Lost = uint32(cp.Length - cp.CaptureLength)
pckt.Payload = ndata[dOf:]
return nil
pckt.Payload = copySlice(pckt.Payload, ndata[dOf:])
return
}
func (pckt *Packet) MessageID() uint64 {
@@ -232,12 +172,6 @@ func (pckt *Packet) Dst() string {
return fmt.Sprintf("%s:%d", pckt.DstIP, pckt.DstPort)
}
type EmptyPacket string
func (err EmptyPacket) Error() string {
return "Empty packet"
}
// ErrHdrLength returned on short header length
type ErrHdrLength string
+166 -96
View File
@@ -43,19 +43,14 @@ func generateHeader(request bool, seq uint32, length uint16) []byte {
func GetPackets(request bool, start uint32, _len int, payload []byte) []*Packet {
var packets = make([]*Packet, _len)
var err error
for i := start; i < start+uint32(_len); i++ {
d := append(generateHeader(request, i, uint16(len(payload))), payload...)
ci := &gopacket.CaptureInfo{Length: len(d), CaptureLength: len(d), Timestamp: time.Now()}
packets[i-start], err = ParsePacket(d, int(layers.LinkTypeLoop), 4, ci, true)
if request {
packets[i-start].Direction = DirIncoming
if len(payload) > 0 {
packets[i-start], _ = ParsePacket(d, int(layers.LinkTypeLoop), 4, ci)
} else {
packets[i-start].Direction = DirOutcoming
}
if err != nil {
panic(err)
packets[i-start] = new(Packet)
}
}
return packets
@@ -63,44 +58,50 @@ func GetPackets(request bool, start uint32, _len int, payload []byte) []*Packet
func TestRequestResponseMapping(t *testing.T) {
packets := []*Packet{
{SrcPort: 60000, DstPort: 80, Ack: 1, Seq: 1, Direction: DirIncoming, Timestamp: time.Unix(1, 0), Payload: []byte("GET / HTTP/1.1\r\n")},
{SrcPort: 60000, DstPort: 80, Ack: 1, Seq: 17, Direction: DirIncoming, Timestamp: time.Unix(2, 0), Payload: []byte("Host: localhost\r\n\r\n")},
{SrcPort: 60000, DstPort: 80, Ack: 1, Seq: 1, Timestamp: time.Unix(1, 0), Payload: []byte("GET / HTTP/1.1\r\n")},
{SrcPort: 60000, DstPort: 80, Ack: 1, Seq: 17, Timestamp: time.Unix(2, 0), Payload: []byte("Host: localhost\r\n\r\n")},
// Seq of first response packet match Ack of first request packet
{SrcPort: 80, DstPort: 60000, Ack: 36, Seq: 1, Direction: DirOutcoming, Timestamp: time.Unix(3, 0), Payload: []byte("HTTP/1.1 200 OK\r\n")},
{SrcPort: 80, DstPort: 60000, Ack: 36, Seq: 18, Direction: DirOutcoming, Timestamp: time.Unix(4, 0), Payload: []byte("Content-Length: 0\r\n\r\n")},
{SrcPort: 80, DstPort: 60000, Ack: 36, Seq: 1, Timestamp: time.Unix(3, 0), Payload: []byte("HTTP/1.1 200 OK\r\n")},
{SrcPort: 80, DstPort: 60000, Ack: 36, Seq: 18, Timestamp: time.Unix(4, 0), Payload: []byte("Content-Length: 0\r\n\r\n")},
// Same TCP stream
{SrcPort: 60000, DstPort: 80, Ack: 39, Seq: 36, Direction: DirIncoming, Timestamp: time.Unix(5, 0), Payload: []byte("GET / HTTP/1.1\r\n")},
{SrcPort: 60000, DstPort: 80, Ack: 39, Seq: 52, Direction: DirIncoming, Timestamp: time.Unix(6, 0), Payload: []byte("Host: localhost\r\n\r\n")},
{SrcPort: 60000, DstPort: 80, Ack: 39, Seq: 36, Timestamp: time.Unix(5, 0), Payload: []byte("GET / HTTP/1.1\r\n")},
{SrcPort: 60000, DstPort: 80, Ack: 39, Seq: 52, Timestamp: time.Unix(6, 0), Payload: []byte("Host: localhost\r\n\r\n")},
// Seq of first response packet match Ack of first request packet
{SrcPort: 80, DstPort: 60000, Ack: 71, Seq: 39, Direction: DirOutcoming, Timestamp: time.Unix(7, 0), Payload: []byte("HTTP/1.1 200 OK\r\n")},
{SrcPort: 80, DstPort: 60000, Ack: 71, Seq: 56, Direction: DirOutcoming, Timestamp: time.Unix(8, 0), Payload: []byte("Content-Length: 0\r\n\r\n")},
{SrcPort: 80, DstPort: 60000, Ack: 71, Seq: 39, Timestamp: time.Unix(7, 0), Payload: []byte("HTTP/1.1 200 OK\r\n")},
{SrcPort: 80, DstPort: 60000, Ack: 71, Seq: 56, Timestamp: time.Unix(8, 0), Payload: []byte("Content-Length: 0\r\n\r\n")},
}
parser := NewMessageParser(nil, nil, nil, time.Second, false)
var mssg = make(chan *Message, 4)
parser := NewMessageParser(1<<20, time.Second, nil, func(m *Message) { mssg <- m })
parser.Start = func(pckt *Packet) (bool, bool) {
return proto.HasRequestTitle(pckt.Payload), proto.HasResponseTitle(pckt.Payload)
}
parser.End = func(m *Message) bool {
return proto.HasFullPayload(m, m.PacketData()...)
return proto.HasFullPayload(m, m.Data())
}
for _, packet := range packets {
parser.processPacket(packet)
parser.PacketHandler(packet)
}
messages := []*Message{}
for i := 0; i < 4; i++ {
m := parser.Read()
messages = append(messages, m)
select {
case <-time.After(time.Second):
t.Errorf("can't parse packets fast enough")
return
case m := <-mssg:
messages = append(messages, m)
}
}
assert.Equal(t, int(messages[0].Direction), int(DirIncoming))
assert.Equal(t, int(messages[1].Direction), int(DirOutcoming))
assert.Equal(t, int(messages[2].Direction), int(DirIncoming))
assert.Equal(t, int(messages[3].Direction), int(DirOutcoming))
assert.Equal(t, messages[0].IsRequest, true)
assert.Equal(t, messages[1].IsRequest, false)
assert.Equal(t, messages[2].IsRequest, true)
assert.Equal(t, messages[3].IsRequest, false)
assert.Equal(t, messages[0].UUID(), messages[1].UUID())
assert.Equal(t, messages[2].UUID(), messages[3].UUID())
@@ -109,35 +110,36 @@ func TestRequestResponseMapping(t *testing.T) {
}
func TestMessageParserWithHint(t *testing.T) {
parser := NewMessageParser(nil, nil, nil, time.Second, false)
var mssg = make(chan *Message, 3)
parser := NewMessageParser(1<<20, time.Second, nil, func(m *Message) { mssg <- m })
parser.Start = func(pckt *Packet) (bool, bool) {
return proto.HasRequestTitle(pckt.Payload), proto.HasResponseTitle(pckt.Payload)
}
parser.End = func(m *Message) bool {
return proto.HasFullPayload(m, m.PacketData()...)
return proto.HasFullPayload(m, m.Data())
}
packets := GetPackets(true, 1, 30, nil)
packets[4] = GetPackets(false, 4, 1, []byte("HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\nTransfer-Encoding: chunked\r\n\r\n7"))[0]
packets[5] = GetPackets(false, 5, 1, []byte("\r\nMozilla\r\n9\r\nDeveloper\r"))[0]
packets[6] = GetPackets(false, 6, 1, []byte("\n7\r\nNetwork\r\n0\r\n\r\n"))[0]
packets[14] = GetPackets(true, 14, 1, []byte("POST / HTTP/1.1\r\nContent-Type: text/plain\r\nContent-Length: 23\r\n\r\n"))[0]
packets[15] = GetPackets(true, 15, 1, []byte("MozillaDeveloper"))[0]
packets[16] = GetPackets(true, 16, 1, []byte("Network"))[0]
packets[24] = GetPackets(true, 24, 1, []byte("HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\nContent-Length: 0\r\n\r\n"))[0]
packets := []*Packet{
// Seq of first response packet match Ack of first request packet
{SrcPort: 80, DstPort: 60000, Ack: 1, Seq: 1, Direction: DirOutcoming, Timestamp: time.Unix(1, 0), Payload: []byte("HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\nTransfer-Encoding: chunked\r\n\r\n7\r\n")},
{SrcPort: 80, DstPort: 60000, Ack: 1, Seq: 18, Direction: DirOutcoming, Timestamp: time.Unix(2, 0), Payload: []byte("\r\nMozilla\r\n9\r\nDeveloper\r")},
{SrcPort: 80, DstPort: 60000, Ack: 1, Seq: 42, Direction: DirOutcoming, Timestamp: time.Unix(3, 0), Payload: []byte("\n7\r\nNetwork\r\n0\r\n\r\n")},
{SrcPort: 60000, DstPort: 80, Ack: 60, Seq: 1, Direction: DirIncoming, Timestamp: time.Unix(4, 0), Payload: []byte("POST / HTTP/1.1\r\nContent-Type: text/plain\r\nContent-Length: 23\r\n\r\n")},
{SrcPort: 60000, DstPort: 80, Ack: 60, Seq: 66, Direction: DirIncoming, Timestamp: time.Unix(5, 0), Payload: []byte("MozillaDeveloper")},
{SrcPort: 60000, DstPort: 80, Ack: 60, Seq: 82, Direction: DirIncoming, Timestamp: time.Unix(6, 0), Payload: []byte("Network")},
{SrcPort: 80, DstPort: 60000, Ack: 89, Seq: 1, Direction: DirOutcoming, Timestamp: time.Unix(7, 0), Payload: []byte("HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\nContent-Length: 0\r\n\r\n")},
}
for _, p := range packets {
parser.processPacket(p)
for i := 0; i < 30; i++ {
parser.PacketHandler(packets[i])
}
messages := []*Message{}
for i := 0; i < 3; i++ {
m := parser.Read()
messages = append(messages, m)
select {
case <-time.After(time.Second):
t.Errorf("can't parse packets fast enough")
return
case m := <-mssg:
messages = append(messages, m)
}
}
if !bytes.HasSuffix(messages[0].Data(), []byte("\n7\r\nNetwork\r\n0\r\n\r\n")) {
@@ -154,94 +156,158 @@ func TestMessageParserWithHint(t *testing.T) {
}
func TestMessageParserWrongOrder(t *testing.T) {
parser := NewMessageParser(nil, nil, nil, time.Second, false)
var mssg = make(chan *Message, 3)
parser := NewMessageParser(1<<20, time.Second, nil, func(m *Message) { mssg <- m })
parser.Start = func(pckt *Packet) (bool, bool) {
return proto.HasRequestTitle(pckt.Payload), proto.HasResponseTitle(pckt.Payload)
}
parser.End = func(m *Message) bool {
return proto.HasFullPayload(m, m.PacketData()...)
return proto.HasFullPayload(m, m.Data())
}
packets := []*Packet{
// Seq of first response packet match Ack of first request packet
{SrcPort: 60000, DstPort: 80, Ack: 60, Seq: 66, Direction: DirIncoming, Timestamp: time.Unix(5, 0), Payload: []byte("MozillaDeveloper")},
{SrcPort: 80, DstPort: 60000, Ack: 1, Seq: 1, Direction: DirOutcoming, Timestamp: time.Unix(1, 0), Payload: []byte("HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\nTransfer-Encoding: chunked\r\n\r\n7\r\n")},
{SrcPort: 80, DstPort: 60000, Ack: 1, Seq: 42, Direction: DirOutcoming, Timestamp: time.Unix(3, 0), Payload: []byte("\n7\r\nNetwork\r\n0\r\n\r\n")},
packets := GetPackets(true, 1, 30, nil)
packets[6] = GetPackets(false, 4, 1, []byte("HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\nTransfer-Encoding: chunked\r\n\r\n7"))[0]
packets[5] = GetPackets(false, 5, 1, []byte("\r\nMozilla\r\n9\r\nDeveloper\r"))[0]
packets[4] = GetPackets(false, 6, 1, []byte("\n7\r\nNetwork\r\n0\r\n\r\n"))[0]
// Duplicate with same seq
packets[7] = GetPackets(false, 6, 1, []byte("\n7\r\nNetwork\r\n0\r\n\r\n"))[0]
{SrcPort: 60000, DstPort: 80, Ack: 60, Seq: 1, Direction: DirIncoming, Timestamp: time.Unix(4, 0), Payload: []byte("POST / HTTP/1.1\r\nContent-Type: text/plain\r\nContent-Length: 23\r\n\r\n")},
{SrcPort: 80, DstPort: 60000, Ack: 1, Seq: 18, Direction: DirOutcoming, Timestamp: time.Unix(2, 0), Payload: []byte("\r\nMozilla\r\n9\r\nDeveloper\r")},
packets[16] = GetPackets(true, 14, 1, []byte("POST / HTTP/1.1\r\nContent-Type: text/plain\r\nContent-Length: 23\r\n\r\n"))[0]
packets[15] = GetPackets(true, 15, 1, []byte("MozillaDeveloper"))[0]
packets[14] = GetPackets(true, 16, 1, []byte("Network"))[0]
{SrcPort: 80, DstPort: 60000, Ack: 89, Seq: 1, Direction: DirOutcoming, Timestamp: time.Unix(7, 0), Payload: []byte("HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\nContent-Length: 0\r\n\r\n")},
{SrcPort: 60000, DstPort: 80, Ack: 60, Seq: 82, Direction: DirIncoming, Timestamp: time.Unix(6, 0), Payload: []byte("Network")},
for i := 0; i < 30; i++ {
parser.PacketHandler(packets[i])
}
for _, p := range packets {
parser.processPacket(p)
var m *Message
select {
case <-time.After(time.Second):
t.Errorf("can't parse packets fast enough")
return
case m = <-mssg:
}
m := parser.Read()
if !bytes.HasSuffix(m.Data(), []byte("\n7\r\nNetwork\r\n0\r\n\r\n")) {
t.Errorf("expected to %q to have suffix %q", m.Data(), []byte("\n7\r\nNetwork\r\n0\r\n\r\n"))
}
m = parser.Read()
if !bytes.HasSuffix(m.Data(), []byte("Content-Length: 0\r\n\r\n")) {
t.Errorf("expected to %q to have suffix %q", m.Data(), []byte("Content-Length: 0\r\n\r\n"))
select {
case <-time.After(time.Second):
t.Errorf("can't parse packets fast enough")
return
case m = <-mssg:
}
m = parser.Read()
if !bytes.HasSuffix(m.Data(), []byte("Network")) {
t.Errorf("expected to %q to have suffix %q", m.Data(), []byte("Network"))
}
}
func TestMessageParserWithoutHint(t *testing.T) {
var mssg = make(chan *Message, 1)
var data [63 << 10]byte
packets := GetPackets(true, 1, 10, data[:])
p := NewMessageParser(nil, nil, nil, time.Second, false)
p := NewMessageParser(63<<10*10, time.Second, nil, func(m *Message) { mssg <- m })
for _, v := range packets {
p.processPacket(v)
p.PacketHandler(v)
}
var m *Message
select {
case <-time.After(time.Second):
t.Errorf("can't parse packets fast enough")
return
case m = <-mssg:
}
m := p.Read()
if m.Length != 63<<10*10 {
t.Errorf("expected %d to equal %d", m.Length, 63<<10*10)
}
}
func TestMessageTimeoutReached(t *testing.T) {
const size = 63 << 11
var data [size >> 1]byte
func TestMessageMaxSizeReached(t *testing.T) {
var mssg = make(chan *Message, 2)
var data [63 << 10]byte
packets := GetPackets(true, 1, 2, data[:])
p := NewMessageParser(nil, nil, nil, 10*time.Millisecond, true)
p.processPacket(packets[0])
packets = append(packets, GetPackets(true, 1, 1, make([]byte, 63<<10+10))...)
time.Sleep(time.Second * 2)
p := NewMessageParser(63<<10+10, time.Second, nil, func(m *Message) { mssg <- m })
for _, v := range packets {
p.PacketHandler(v)
}
var m *Message
select {
case <-time.After(time.Second):
t.Errorf("can't parse packets fast enough")
return
case m = <-mssg:
}
if m.Length != 63<<10+10 {
t.Errorf("expected %d to equal %d", m.Length, 63<<10+10)
}
if !m.Truncated {
t.Error("expected message to be truncated")
}
p.processPacket(packets[1])
m := p.Read()
if m.Length != size {
t.Errorf("expected %d to equal %d", m.Length, size)
select {
case <-time.After(time.Second):
t.Errorf("can't parse packets fast enough")
return
case m = <-mssg:
}
if m.Length != 63<<10+10 {
t.Errorf("expected %d to equal %d", m.Length, 63<<10+10)
}
if m.Truncated {
t.Error("expected message to not be truncated")
}
}
func TestMessageTimeoutReached(t *testing.T) {
var mssg = make(chan *Message, 2)
var data [63 << 10]byte
packets := GetPackets(true, 1, 2, data[:])
p := NewMessageParser(1<<20, 0, nil, func(m *Message) { mssg <- m })
p.PacketHandler(packets[0])
time.Sleep(time.Millisecond * 400)
p.PacketHandler(packets[1])
m := <-mssg
if m.Length != 63<<10 {
t.Errorf("expected %d to equal %d", m.Length, 63<<10)
}
if !m.TimedOut {
t.Error("expected message to be timeout")
}
}
func TestMessageUUID(t *testing.T) {
packets := GetPackets(true, 1, 10, nil)
var uuid, uuid1 []byte
parser := NewMessageParser(0, 0, nil, func(msg *Message) {
if len(uuid) == 0 {
uuid = msg.UUID()
return
}
uuid1 = msg.UUID()
})
for _, p := range packets {
parser.PacketHandler(p)
}
if string(uuid) != string(uuid1) {
t.Errorf("expected %s, to equal %s", uuid, uuid1)
}
}
func BenchmarkMessageUUID(b *testing.B) {
packets := GetPackets(true, 1, 5, nil)
var uuid []byte
parser := NewMessageParser(nil, nil, nil, 10*time.Millisecond, true)
var msg *Message
parser := NewMessageParser(0, 0, nil, func(m *Message) {
msg = m
})
for _, p := range packets {
parser.processPacket(p)
parser.PacketHandler(p)
}
msg := parser.Read()
b.ResetTimer()
for i := 0; i < b.N; i++ {
uuid = msg.UUID()
@@ -262,16 +328,20 @@ func BenchmarkPacketParseAndSort(b *testing.B) {
}
func BenchmarkMessageParserWithoutHint(b *testing.B) {
// runtime.GOMAXPROCS(8)
var mssg = make(chan *Message, 1)
var chunk = []byte("111111111111111111111111111111")
packets := GetPackets(true, 1, 1000, chunk)
p := NewMessageParser(nil, nil, nil, 2*time.Second, false)
p := NewMessageParser(1<<20, time.Second*2, nil, func(m *Message) {
mssg <- m
})
b.ResetTimer()
b.ReportMetric(float64(1000), "packets/op")
for i := 0; i < b.N; i++ {
for _, v := range packets {
p.processPacket(v)
p.PacketHandler(v)
}
p.Read()
<-mssg
}
}
@@ -287,22 +357,22 @@ func BenchmarkMessageParserWithHint(b *testing.B) {
for i := 0; i < len(buf); i++ {
packets[i] = GetPackets(false, 1, 1, buf[i])[0]
}
parser := NewMessageParser(nil, nil, nil, 2*time.Second, false)
var mssg = make(chan *Message, 1)
parser := NewMessageParser(1<<30, time.Second*10, nil, func(m *Message) { mssg <- m })
parser.Start = func(pckt *Packet) (bool, bool) {
return false, proto.HasResponseTitle(pckt.Payload)
}
parser.End = func(m *Message) bool {
return proto.HasFullPayload(m, m.PacketData()...)
return proto.HasFullPayload(m, m.Data())
}
b.ResetTimer()
b.ReportMetric(float64(len(packets)), "packets/op")
b.ReportMetric(float64(1000), "chunks/op")
for i := 0; i < b.N; i++ {
for j := range packets {
parser.processPacket(packets[j])
parser.PacketHandler(packets[j])
}
parser.Read()
<-mssg
}
}
@@ -310,6 +380,6 @@ func BenchmarkNewAndParsePacket(b *testing.B) {
data := append(generateHeader(true, 1024, 10), make([]byte, 10)...)
b.ResetTimer()
for i := 0; i < b.N; i++ {
ParsePacket(data, int(layers.LinkTypeLoop), 4, &gopacket.CaptureInfo{}, true)
ParsePacket(data, int(layers.LinkTypeLoop), 4, &gopacket.CaptureInfo{})
}
}
+1 -1
View File
@@ -1,4 +1,4 @@
package main
// VERSION the current version of goreplay
var VERSION = "1.3.0"
const VERSION = "1.2.0"