diff options
Diffstat (limited to 'wrapper.c')
| -rw-r--r-- | wrapper.c | 27 |
1 files changed, 17 insertions, 10 deletions
@@ -1,6 +1,9 @@ /* * Various trivial helper wrappers around standard functions */ + +#define DISABLE_SIGN_COMPARE_WARNINGS + #include "git-compat-util.h" #include "abspath.h" #include "parse.h" @@ -476,7 +479,7 @@ int git_mkstemps_mode(char *pattern, int suffix_len, int mode) for (count = 0; count < TMP_MAX; ++count) { int i; uint64_t v; - if (csprng_bytes(&v, sizeof(v)) < 0) + if (csprng_bytes(&v, sizeof(v), 0) < 0) return error_errno("unable to get random bytes for temporary file"); /* Fill in the random bits. */ @@ -747,7 +750,7 @@ int open_nofollow(const char *path, int flags) #endif } -int csprng_bytes(void *buf, size_t len) +int csprng_bytes(void *buf, size_t len, MAYBE_UNUSED unsigned flags) { #if defined(HAVE_ARC4RANDOM) || defined(HAVE_ARC4RANDOM_LIBBSD) /* This function never returns an error. */ @@ -782,14 +785,18 @@ int csprng_bytes(void *buf, size_t len) return -1; return 0; #elif defined(HAVE_OPENSSL_CSPRNG) - int res = RAND_bytes(buf, len); - if (res == 1) + switch (RAND_pseudo_bytes(buf, len)) { + case 1: return 0; - if (res == -1) - errno = ENOTSUP; - else + case 0: + if (flags & CSPRNG_BYTES_INSECURE) + return 0; errno = EIO; - return -1; + return -1; + default: + errno = ENOTSUP; + return -1; + } #else ssize_t res; char *p = buf; @@ -813,11 +820,11 @@ int csprng_bytes(void *buf, size_t len) #endif } -uint32_t git_rand(void) +uint32_t git_rand(unsigned flags) { uint32_t result; - if (csprng_bytes(&result, sizeof(result)) < 0) + if (csprng_bytes(&result, sizeof(result), flags) < 0) die(_("unable to get random bytes")); return result; |