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@ -1,8 +1,8 @@ |
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## How to upgrade openssl library in Node.js |
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## How to upgrade openssl library in Node.js |
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This document describes the procedure to upgrade openssl from 1.0.2a |
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This document describes the procedure to upgrade openssl from 1.0.2e |
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to 1.0.2c in Node.js. |
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to 1.0.2f in Node.js. This procedure might be applied to upgrading |
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any versions in 1.0.2. |
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### Build System and Upgrading Overview |
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### Build System and Upgrading Overview |
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The openssl build system is based on the `Configure` perl script in |
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The openssl build system is based on the `Configure` perl script in |
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@ -31,6 +31,8 @@ The tested platform in CI are also listed. |
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| --dest-os | --dest-cpu | conf | asm | openssl target | CI | |
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| --dest-os | --dest-cpu | conf | asm | openssl target | CI | |
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|---------- |----------- |----- |----- |------------------- |--- | |
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|---------- |----------- |----- |----- |------------------- |--- | |
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| aix | ppc | o | x(*2)| aix-gcc | o | |
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| aix | ppc64 | o | x(*2)| aix64-gcc | o | |
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| linux | ia32 | o | o |linux-elf | o | |
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| linux | ia32 | o | o |linux-elf | o | |
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| linux | x32 | o | x(*2)|linux-x32 | x | |
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| linux | x32 | o | x(*2)|linux-x32 | x | |
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| linux | x64 | o | o |linux-x86_64 | o | |
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| linux | x64 | o | o |linux-x86_64 | o | |
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@ -91,48 +93,197 @@ https://github.com/openssl/openssl/blob/OpenSSL_1_0_2-stable/crypto/sha/asm/sha5 |
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otherwise asm_obsolete are used. |
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otherwise asm_obsolete are used. |
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The following is the detail instruction steps how to upgrade openssl |
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The following is the detail instruction steps how to upgrade openssl |
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version from 1.0.2a to 1.0.2c in node. |
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version from 1.0.2e to 1.0.2f in node. |
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*This needs to run Linux |
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enviroment.* |
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### 1. Replace openssl source in `deps/openssl/openssl` |
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### 1. Replace openssl source in `deps/openssl/openssl` |
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Remove old openssl sources in `deps/openssl/openssl` . |
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Remove old openssl sources in `deps/openssl/openssl` . |
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Get original openssl sources from |
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Get original openssl sources from |
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https://www.openssl.org/source/openssl-1.0.2c.tar.gz and extract all |
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https://www.openssl.org/source/openssl-1.0.2f.tar.gz and extract all |
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files into `deps/openssl/openssl` . |
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files into `deps/openssl/openssl` . |
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### 2. Apply private patches |
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```sh |
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There are three kinds of private patches to be applied in openssl-1.0.2c. |
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ohtsu@ubuntu:~/github/node$ cd deps/openssl/ |
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ohtsu@ubuntu:~/github/node/deps/openssl$ rm -rf openssl |
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- The two fixes of assembly error on ia32 win32. masm is no longer |
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ohtsu@ubuntu:~/github/node/deps/openssl$ tar zxf ~/tmp/openssl-1.0.2f.tar.gz |
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supported in openssl. We should move to use nasm or yasm in future |
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ohtsu@ubuntu:~/github/node/deps/openssl$ mv openssl-1.0.2f openssl |
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version of node. |
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ohtsu@ubuntu:~/github/node/deps/openssl$ git add --all openssl |
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ohtsu@ubuntu:~/github/node/deps/openssl$ git commit openssl |
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- The fix of openssl-cli built on win. Key press requirement of |
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```` |
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openssl-cli in win causes timeout failures of several tests. |
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The commit message can be |
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- A new `-no_rand_screen` option to openssl s_client. This makes test |
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>deps: upgrade openssl sources to 1.0.2f |
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time of test-tls-server-verify be much faster. |
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> |
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>This replaces all sources of openssl-1.0.2f.tar.gz into |
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>deps/openssl/openssl |
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### 3. Replace openssl header files in `deps/openssl/openssl/include/openssl` |
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### 2. Replace openssl header files in `deps/openssl/openssl/include/openssl` |
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all header files in `deps/openssl/openssl/include/openssl/*.h` are |
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all header files in `deps/openssl/openssl/include/openssl/*.h` are |
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symbolic links in the distributed release tar.gz. They cause issues in |
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symbolic links in the distributed release tar.gz. They cause issues in |
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Windows. They are copied from the real files of symlink origin into |
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Windows. They are copied from the real files of symlink origin into |
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the include directory. During installation, they also copied into |
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the include directory. During installation, they also copied into |
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`PREFIX/node/include` by tools/install.py. |
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`PREFIX/node/include` by tools/install.py. |
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`deps/openssl/openssl/include/openssl/opensslconf.h` and |
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`deps/openssl/openssl/crypto/opensslconf.h` needs to be changed so as |
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to refer the platform independent file of `deps/openssl/config/opensslconf.h` |
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The following shell script (copy_symlink.sh) is my tool for working |
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this procedures to invoke it in the `deps/openssl/openssl/include/openssl/`. |
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```sh |
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#!/bin/bash |
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for var in "$@" |
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do |
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if [ -L $var ]; then |
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origin=`readlink $var` |
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rm $var |
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cp $origin $var |
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fi |
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done |
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rm opensslconf.h |
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echo '#include "../../crypto/opensslconf.h"' > opensslconf.h |
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rm ../../crypto/opensslconf.h |
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echo '#include "../../config/opensslconf.h"' > ../../crypto/opensslconf.h |
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```` |
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This step somehow gets troublesome since openssl-1.0.2f because |
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symlink headers are removed in tar.gz file and we have to execute |
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./config script to generate them. The config script also generate |
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unnecessary platform dependent files in the repository so that we have |
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to clean up them after committing header files. |
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```sh |
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ohtsu@ubuntu:~/github/node/deps/openssl$ cd openssl/ |
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ohtsu@ubuntu:~/github/node/deps/openssl/openssl$ ./config |
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make[1]: Leaving directory `/home/ohtsu/github/node/deps/openssl/openssl/test' |
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Configured for linux-x86_64. |
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ohtsu@ubuntu:~/github/node/deps/openssl/openssl$ cd include/openssl/ |
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ohtsu@ubuntu:~/github/node/deps/openssl/openssl/include/openssl$ ~/copy_symlink.sh *.h |
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ohtsu@ubuntu:~/github/node/deps/openssl/openssl/include/openssl$ cd ../.. |
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ohtsu@ubuntu:~/github/node/deps/openssl/openssl$ git add include |
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ohtsu@ubuntu:~/github/node/deps/openssl/openssl$ git commit include/ crypto/opensslconf.h |
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ohtsu@ubuntu:~/github/node/deps/openssl/openssl$ git clean -f |
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ohtsu@ubuntu:~/github/node/deps/openssl/openssl$ git checkout Makefile Makefile.bak |
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```` |
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The commit message can be |
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>deps: copy all openssl header files to include dir |
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> |
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>All symlink files in `deps/openssl/openssl/include/openssl/` |
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>are removed and replaced with real header files to avoid |
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>issues on Windows. Two files of opensslconf.h in crypto and |
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>include dir are replaced to refer config/opensslconf.h. |
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### 3. Apply floating patches |
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At the time of writing, there are four floating patches to be applied |
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to openssl. |
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- Two fixes for assembly errors on ia32 win32. |
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- One fix for openssl-cli built on win. Key press requirement of |
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openssl-cli in win causes timeout failures of several tests. |
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- Adding a new `-no_rand_screen` option to openssl s_client. This |
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makes test time of test-tls-server-verify be much faster. |
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These fixes can be applied via cherry-pick. The first three will merge without conflict. |
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The last commit can be landed using a recursive strategy that prefers newer changes. |
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```sh |
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git cherry-pick c66c3d9fa3f5bab0bdfe363dd947136cf8a3907f |
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git cherry-pick 42a8de2ac66b6953cbc731fdb0b128b8019643b2 |
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git cherry-pick 2eb170874aa5e84e71b62caab7ac9792fd59c10f |
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git cherry-pick --strategy=recursive -X theirs 664a659 |
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``` |
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If you attempted to cherry-pick the last commit you would have the following conflict |
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``` |
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# do not do this |
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git cherry-pick 664a6596960655e214fef25e74d3285097703e95 |
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error: could not apply 664a659... deps: add -no_rand_screen to openssl s_client |
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hint: after resolving the conflicts, mark the corrected paths |
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hint: with 'git add <paths>' or 'git rm <paths>' |
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hint: and commit the result with 'git commit' |
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git cherry-pi |
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``` |
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the conflict is in `deps/openssl/openssl/apps/app_rand.c` as below. |
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```sh |
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ohtsu@omb:openssl$ git diff |
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diff --cc deps/openssl/openssl/apps/app_rand.c |
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index 7f40bba,b6fe294..0000000 |
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--- a/deps/openssl/openssl/apps/app_rand.c |
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+++ b/deps/openssl/openssl/apps/app_rand.c |
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@@@ -124,7 -124,16 +124,20 @@@ int app_RAND_load_file(const char *file |
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char buffer[200]; |
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#ifdef OPENSSL_SYS_WINDOWS |
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++<<<<<<< HEAD |
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+ RAND_screen(); |
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++======= |
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+ /* |
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+ * allocate 2 to dont_warn not to use RAND_screen() via |
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+ * -no_rand_screen option in s_client |
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+ */ |
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+ if (dont_warn != 2) { |
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+ BIO_printf(bio_e, "Loading 'screen' into random state -"); |
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+ BIO_flush(bio_e); |
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+ RAND_screen(); |
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+ BIO_printf(bio_e, " done\n"); |
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+ } |
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++>>>>>>> 664a659... deps: add -no_rand_screen to openssl s_client |
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#endif |
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if (file == NULL) |
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```` |
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We want to opt for the changes from 664a659 instead of the changes present on HEAD. |
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`git cherry-pick --strategy=recursive -X theirs` will do just that! |
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### 4. Change `opensslconf.h` so as to fit each platform. |
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### 4. Change `opensslconf.h` so as to fit each platform. |
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No change. |
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opensslconf.h includes defines and macros which are platform |
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dependent. Each files can be generated via `deps/openssl/config/Makefile` |
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We can regenerate them and commit them if any diffs exist. |
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```sh |
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ohtsu@ubuntu:~/github/node/deps/openssl$ cd config |
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ohtsu@ubuntu:~/github/node/deps/openssl/config$ make clean |
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find archs -name opensslconf.h -exec rm "{}" \; |
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ohtsu@ubuntu:~/github/node/deps/openssl/config$ make |
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cd ../openssl; perl ./Configure no-shared no-symlinks aix-gcc > /dev/null |
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ohtsu@ubuntu:~/github/node/deps/openssl/config$ git diff |
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ohtsu@ubuntu:~/github/node/deps/openssl/config$ git commit . |
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```` |
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The commit message can be |
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>deps: update openssl config files |
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> |
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>Regenerate config files for supported platforms with Makefile. |
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### 5. Update openssl.gyp and openssl.gypi |
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### 5. Update openssl.gyp and openssl.gypi |
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No change. |
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This process is needed when source files are removed, renamed and added. |
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It seldom happen in the minor bug fix release. Build errors would be |
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thrown if it happens. In case of build errors, we need to check source |
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files in Makefiles of its platform and change openssl.gyp or |
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openssl.gypi according to the changes of source files. Please contact |
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@shigeki if it is needed. |
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### 6. ASM files for openssl |
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### 6. ASM files for openssl |
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We provide two sets of asm files. One is for the latest assembler |
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We provide two sets of asm files. One is for the latest assembler |
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and the other is the older one. |
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and the other is the older one. sections 6.1 and 6.2 describe the two |
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types of files. Section 6.3 explains the steps to update the files. |
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In the case of upgrading 1.0.2f there were no changes to the asm files. |
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### 6.1. asm files for the latest compiler |
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### 6.1. asm files for the latest compiler |
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This was made in `deps/openssl/asm/Makefile` |
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This was made in `deps/openssl/asm/Makefile` |
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- Updated asm files for each platforms which are required in |
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- Updated asm files for each platforms which are required in |
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openssl-1.0.2c. |
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openssl-1.0.2f. |
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- Some perl files need CC and ASM envs. Added a check if these envs |
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- Some perl files need CC and ASM envs. Added a check if these envs |
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exist. Followed asm files are to be generated with CC=gcc and |
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exist. Followed asm files are to be generated with CC=gcc and |
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ASM=nasm on Linux. See |
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ASM=nasm on Linux. See |
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@ -148,6 +299,7 @@ This was made in `deps/openssl/asm/Makefile` |
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With export environments of CC=gcc and ASM=nasm, then type make |
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With export environments of CC=gcc and ASM=nasm, then type make |
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command and check if new asm files are generated. |
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command and check if new asm files are generated. |
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If you don't have nasm please install it such as `apt-get install nasm`. |
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### 6.2. asm files for the older compiler |
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### 6.2. asm files for the older compiler |
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For older assembler, the version check of CC and ASM should be |
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For older assembler, the version check of CC and ASM should be |
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@ -158,3 +310,42 @@ into this directories and remove the check of CC and ASM envs. |
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Without environments of CC and ASM, then type make command and check |
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Without environments of CC and ASM, then type make command and check |
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if new asm files for older compilers are generated. |
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if new asm files for older compilers are generated. |
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The following steps includes version check of gcc and nasm. |
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### 6.3 steps |
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```sh |
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ohtsu@ubuntu:~/github/node/deps/openssl/config$ cd ../asm |
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ohtsu@ubuntu:~/github/node/deps/openssl/asm$ gcc --version |
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gcc (Ubuntu 4.8.4-2ubuntu1~14.04) 4.8.4 |
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Copyright (C) 2013 Free Software Foundation, Inc. |
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This is free software; see the source for copying conditions. There is NO |
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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ohtsu@ubuntu:~/github/node/deps/openssl/asm$ nasm -v |
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NASM version 2.10.09 compiled on Dec 29 2013 |
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ohtsu@ubuntu:~/github/node/deps/openssl/asm$ export CC=gcc |
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ohtsu@ubuntu:~/github/node/deps/openssl/asm$ export ASM=nasm |
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ohtsu@ubuntu:~/github/node/deps/openssl/asm$ make clean |
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find . -iname '*.asm' -exec rm "{}" \; |
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find . -iname '*.s' -exec rm "{}" \; |
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find . -iname '*.S' -exec rm "{}" \; |
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ohtsu@ubuntu:~/github/node/deps/openssl/asm$ make |
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ohtsu@ubuntu:~/github/node/deps/openssl/asm$ cd ../asm_obsolete/ |
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ohtsu@ubuntu:~/github/node/deps/openssl/asm_obsolete$ unset CC |
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ohtsu@ubuntu:~/github/node/deps/openssl/asm_obsolete$ unset ASM |
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ohtsu@ubuntu:~/github/node/deps/openssl/asm_obsolete$ make clean |
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find . -iname '*.asm' -exec rm "{}" \; |
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find . -iname '*.s' -exec rm "{}" \; |
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find . -iname '*.S' -exec rm "{}" \; |
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ohtsu@ubuntu:~/github/node/deps/openssl$ git status |
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ohtsu@ubuntu:~/github/node/deps/openssl$ git commit asm asm_obsolete |
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```` |
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The commit message can be |
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>deps: update openssl asm and asm_obsolete files |
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> |
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>Regenerate asm files with Makefile and CC=gcc and ASM=gcc where |
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>gcc-4.8.4. Also asm files in asm_obsolete dir to support old compiler |
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>and assembler are regenerated without CC and ASM envs. |
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Myles Borins
9 years ago
Shigeki Ohtsu