diff options
Diffstat (limited to 'src/common/crypto.c')
| -rw-r--r-- | src/common/crypto.c | 56 |
1 files changed, 40 insertions, 16 deletions
diff --git a/src/common/crypto.c b/src/common/crypto.c index 730ce08286..c1a2f33935 100644 --- a/src/common/crypto.c +++ b/src/common/crypto.c @@ -56,6 +56,7 @@ #include "../common/util.h" #include "container.h" #include "compat.h" +#include "sandbox.h" #if OPENSSL_VERSION_NUMBER < OPENSSL_V_SERIES(0,9,8) #error "We require OpenSSL >= 0.9.8" @@ -195,6 +196,27 @@ try_load_engine(const char *path, const char *engine) } #endif +/* Returns a trimmed and human-readable version of an openssl version string +* <b>raw_version</b>. They are usually in the form of 'OpenSSL 1.0.0b 10 +* May 2012' and this will parse them into a form similar to '1.0.0b' */ +static char * +parse_openssl_version_str(const char *raw_version) +{ + const char *end_of_version = NULL; + /* The output should be something like "OpenSSL 1.0.0b 10 May 2012. Let's + trim that down. */ + if (!strcmpstart(raw_version, "OpenSSL ")) { + raw_version += strlen("OpenSSL "); + end_of_version = strchr(raw_version, ' '); + } + + if (end_of_version) + return tor_strndup(raw_version, + end_of_version-raw_version); + else + return tor_strdup(raw_version); +} + static char *crypto_openssl_version_str = NULL; /* Return a human-readable version of the run-time openssl version number. */ const char * @@ -202,23 +224,24 @@ crypto_openssl_get_version_str(void) { if (crypto_openssl_version_str == NULL) { const char *raw_version = SSLeay_version(SSLEAY_VERSION); - const char *end_of_version = NULL; - /* The output should be something like "OpenSSL 1.0.0b 10 May 2012. Let's - trim that down. */ - if (!strcmpstart(raw_version, "OpenSSL ")) { - raw_version += strlen("OpenSSL "); - end_of_version = strchr(raw_version, ' '); - } - - if (end_of_version) - crypto_openssl_version_str = tor_strndup(raw_version, - end_of_version-raw_version); - else - crypto_openssl_version_str = tor_strdup(raw_version); + crypto_openssl_version_str = parse_openssl_version_str(raw_version); } return crypto_openssl_version_str; } +static char *crypto_openssl_header_version_str = NULL; +/* Return a human-readable version of the compile-time openssl version +* number. */ +const char * +crypto_openssl_get_header_version_str(void) +{ + if (crypto_openssl_header_version_str == NULL) { + crypto_openssl_header_version_str = + parse_openssl_version_str(OPENSSL_VERSION_TEXT); + } + return crypto_openssl_header_version_str; +} + /** Initialize the crypto library. Return 0 on success, -1 on failure. */ int @@ -2349,7 +2372,7 @@ crypto_strongest_rand(uint8_t *out, size_t out_len) return 0; #else for (i = 0; filenames[i]; ++i) { - fd = open(filenames[i], O_RDONLY, 0); + fd = open(sandbox_intern_string(filenames[i]), O_RDONLY, 0); if (fd<0) continue; log_info(LD_CRYPTO, "Reading entropy from \"%s\"", filenames[i]); n = read_all(fd, (char*)out, out_len, 0); @@ -2404,8 +2427,8 @@ crypto_seed_rng(int startup) /** Write <b>n</b> bytes of strong random data to <b>to</b>. Return 0 on * success, -1 on failure. */ -int -crypto_rand(char *to, size_t n) +MOCK_IMPL(int, +crypto_rand, (char *to, size_t n)) { int r; tor_assert(n < INT_MAX); @@ -3099,6 +3122,7 @@ crypto_global_cleanup(void) } #endif tor_free(crypto_openssl_version_str); + tor_free(crypto_openssl_header_version_str); return 0; } |