diff options
Diffstat (limited to 'pjmedia/src/pjmedia/transport_srtp.c')
| -rw-r--r-- | pjmedia/src/pjmedia/transport_srtp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/pjmedia/src/pjmedia/transport_srtp.c b/pjmedia/src/pjmedia/transport_srtp.c index 176b2d42..85b43282 100644 --- a/pjmedia/src/pjmedia/transport_srtp.c +++ b/pjmedia/src/pjmedia/transport_srtp.c @@ -1043,6 +1043,7 @@ static pj_status_t generate_crypto_attr_value(pj_pool_t *pool, int cs_idx = get_crypto_idx(&crypto->name); char b64_key[PJ_BASE256_TO_BASE64_LEN(MAX_KEY_LEN)+1]; int b64_key_len = sizeof(b64_key); + int print_len; if (cs_idx == -1) return PJMEDIA_SRTP_ENOTSUPCRYPTO; @@ -1101,10 +1102,14 @@ static pj_status_t generate_crypto_attr_value(pj_pool_t *pool, b64_key_len + 16), PJ_ETOOSMALL); /* Print the crypto attribute value. */ - *buffer_len = pj_ansi_snprintf(buffer, *buffer_len, "%d %s inline:%s", + print_len = pj_ansi_snprintf(buffer, *buffer_len, "%d %s inline:%s", tag, crypto_suites[cs_idx].name, b64_key); + if (print_len < 1 || print_len >= *buffer_len) + return PJ_ETOOSMALL; + + *buffer_len = print_len; return PJ_SUCCESS; } |