diff options
| -rw-r--r-- | cryptography/hazmat/backends/openssl/osrand_engine.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/cryptography/hazmat/backends/openssl/osrand_engine.py b/cryptography/hazmat/backends/openssl/osrand_engine.py index b0cdf80f..bca2d79d 100644 --- a/cryptography/hazmat/backends/openssl/osrand_engine.py +++ b/cryptography/hazmat/backends/openssl/osrand_engine.py @@ -47,7 +47,6 @@ static int osrandom_rand_bytes(unsigned char *buffer, int size) { } while (n < 0 && errno == EINTR); if (n <= 0) { return 0; - break; } buffer += n; size -= n; @@ -69,6 +68,9 @@ static int osrandom_init(ENGINE *e) { } urandom_fd = open("/dev/urandom", O_RDONLY); if (urandom_fd > -1) { + if (fcntl(urandom_fd, F_SETFD, FD_CLOEXEC) == -1) { + return 0; + } return 1; } else { return 0; @@ -81,6 +83,7 @@ static int osrandom_finish(ENGINE *e) { n = close(urandom_fd); } while (n < 0 && errno == EINTR); if (n < 0) { + urandom_fd = -1; return 0; } else { urandom_fd = -1; |