opnsense-src/crypto/getenv.c
Enji Cooper e4520c8bd1 openssl: Vendor import of OpenSSL-3.0.8
Summary:

Release notes can be found at
https://www.openssl.org/news/openssl-3.0-notes.html .

Obtained from:  https://www.openssl.org/source/openssl-3.0.8.tar.gz
Differential Revision:	https://reviews.freebsd.org/D38835

Test Plan:
```
$ git status
On branch vendor/openssl-3.0
nothing to commit, working tree clean
$ (cd ..; fetch http://www.openssl.org/source/openssl-${OSSLVER}.tar.gz http://www.openssl.org/source/openssl-${OSSLVER}.tar.gz.asc)
openssl-3.0.8.tar.gz                                    14 MB 4507 kBps    04s
openssl-3.0.8.tar.gz.asc                               833  B   10 MBps    00s
$ set | egrep '(XLIST|OSSLVER)='
OSSLVER=3.0.8
XLIST=FREEBSD-Xlist
$ gpg --list-keys
/home/ngie/.gnupg/pubring.kbx
-----------------------------
pub   rsa4096 2014-10-04 [SC]
      7953AC1FBC3DC8B3B292393ED5E9E43F7DF9EE8C
uid           [ unknown] Richard Levitte <richard@levitte.org>
uid           [ unknown] Richard Levitte <levitte@lp.se>
uid           [ unknown] Richard Levitte <levitte@openssl.org>
sub   rsa4096 2014-10-04 [E]

$ gpg --verify openssl-${OSSLVER}.tar.gz.asc openssl-${OSSLVER}.tar.gz
gpg: Signature made Tue Feb  7 05:43:55 2023 PST
gpg:                using RSA key 7953AC1FBC3DC8B3B292393ED5E9E43F7DF9EE8C
gpg: Good signature from "Richard Levitte <richard@levitte.org>" [unknown]
gpg:                 aka "Richard Levitte <levitte@lp.se>" [unknown]
gpg:                 aka "Richard Levitte <levitte@openssl.org>" [unknown]
gpg: WARNING: This key is not certified with a trusted signature!
gpg:          There is no indication that the signature belongs to the owner.
Primary key fingerprint: 7953 AC1F BC3D C8B3 B292  393E D5E9 E43F 7DF9 EE8C
$ (cd vendor.checkout/; git status; find . -type f -or -type l | cut -c 3- | sort > ../old)
On branch vendor/openssl-3.0
nothing to commit, working tree clean
$ tar -x -X $XLIST -f ../openssl-${OSSLVER}.tar.gz -C ..
$ rsync --exclude FREEBSD.* --delete -avzz ../openssl-${OSSLVER}/* .
$ cat .git
gitdir: /home/ngie/git/freebsd-src/.git/worktrees/vendor.checkout
$ diff -arq ../openssl-3.0.8  .
Only in .: .git
Only in .: FREEBSD-Xlist
Only in .: FREEBSD-upgrade
$ git status FREEBSD*
On branch vendor/openssl-3.0
nothing to commit, working tree clean
$
```

Reviewers: emaste, jkim

Subscribers: imp, andrew, dab

Differential Revision: https://reviews.freebsd.org/D38835
2023-03-06 12:41:29 -08:00

103 lines
3.1 KiB
C

/*
* Copyright 2018-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <stdlib.h>
#include "internal/cryptlib.h"
#include "e_os.h"
char *ossl_safe_getenv(const char *name)
{
#if defined(_WIN32) && defined(CP_UTF8) && !defined(_WIN32_WCE)
if (GetEnvironmentVariableW(L"OPENSSL_WIN32_UTF8", NULL, 0) != 0) {
char *val = NULL;
int vallen = 0;
WCHAR *namew = NULL;
WCHAR *valw = NULL;
DWORD envlen = 0;
DWORD dwFlags = MB_ERR_INVALID_CHARS;
int rsize, fsize;
UINT curacp;
curacp = GetACP();
/*
* For the code pages listed below, dwFlags must be set to 0.
* Otherwise, the function fails with ERROR_INVALID_FLAGS.
*/
if (curacp == 50220 || curacp == 50221 || curacp == 50222 ||
curacp == 50225 || curacp == 50227 || curacp == 50229 ||
(57002 <= curacp && curacp <=57011) || curacp == 65000 ||
curacp == 42)
dwFlags = 0;
/* query for buffer len */
rsize = MultiByteToWideChar(curacp, dwFlags, name, -1, NULL, 0);
/* if name is valid string and can be converted to wide string */
if (rsize > 0)
namew = _malloca(rsize * sizeof(WCHAR));
if (NULL != namew) {
/* convert name to wide string */
fsize = MultiByteToWideChar(curacp, dwFlags, name, -1, namew, rsize);
/* if conversion is ok, then determine value string size in wchars */
if (fsize > 0)
envlen = GetEnvironmentVariableW(namew, NULL, 0);
}
if (envlen > 0)
valw = _malloca(envlen * sizeof(WCHAR));
if (NULL != valw) {
/* if can get env value as wide string */
if (GetEnvironmentVariableW(namew, valw, envlen) < envlen) {
/* determine value string size in utf-8 */
vallen = WideCharToMultiByte(CP_UTF8, 0, valw, -1, NULL, 0,
NULL, NULL);
}
}
if (vallen > 0)
val = OPENSSL_malloc(vallen);
if (NULL != val) {
/* convert value string from wide to utf-8 */
if (WideCharToMultiByte(CP_UTF8, 0, valw, -1, val, vallen,
NULL, NULL) == 0) {
OPENSSL_free(val);
val = NULL;
}
}
if (NULL != namew)
_freea(namew);
if (NULL != valw)
_freea(valw);
return val;
}
#endif
#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
# if __GLIBC_PREREQ(2, 17)
# define SECURE_GETENV
return secure_getenv(name);
# endif
#endif
#ifndef SECURE_GETENV
if (OPENSSL_issetugid())
return NULL;
return getenv(name);
#endif
}