diff options
Diffstat (limited to 'openbsc/src/osmo-bsc_nat/bsc_nat.c')
| -rw-r--r-- | openbsc/src/osmo-bsc_nat/bsc_nat.c | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/openbsc/src/osmo-bsc_nat/bsc_nat.c b/openbsc/src/osmo-bsc_nat/bsc_nat.c index 581193e5a..1fc262df5 100644 --- a/openbsc/src/osmo-bsc_nat/bsc_nat.c +++ b/openbsc/src/osmo-bsc_nat/bsc_nat.c @@ -69,6 +69,8 @@ #include <osmocom/abis/ipa.h> +#include <openssl/rand.h> + #include "../../bscconfig.h" #define SCCP_CLOSE_TIME 20 @@ -204,8 +206,7 @@ static void send_id_req(struct bsc_nat *nat, struct bsc_connection *bsc) 0x01, IPAC_IDTAG_SERNR, }; - int toread, rounds; - uint8_t *mrand, *randoff; + uint8_t *mrand; uint8_t id_req[sizeof(s_id_req) + (2+16)]; uint8_t *buf = &id_req[sizeof(s_id_req)]; @@ -216,19 +217,10 @@ static void send_id_req(struct bsc_nat *nat, struct bsc_connection *bsc) buf = v_put(buf, 0x11); buf = v_put(buf, 0x23); mrand = bsc->last_rand; - randoff = mrand; - memset(randoff, 0, 16); - - for (toread = 16, rounds = 0; rounds < 5 && toread > 0; ++rounds) { - int rc = read(nat->random_fd, randoff, toread); - if (rc <= 0) - goto failed_random; - toread -= rc; - randoff += rc; - } - if (toread != 0) + if (RAND_bytes(mrand, 16) != 1) goto failed_random; + memcpy(buf, mrand, 16); buf += 16; @@ -1628,12 +1620,6 @@ int main(int argc, char **argv) /* We need to add mode-set for amr codecs */ nat->sdp_ensure_amr_mode_set = 1; - nat->random_fd = open("/dev/random", O_RDONLY); - if (nat->random_fd < 0) { - fprintf(stderr, "Failed to open /dev/urandom.\n"); - return -5; - } - vty_info.copyright = openbsc_copyright; vty_init(&vty_info); logging_vty_add_cmds(&log_info); |