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Code Issues Releases Wiki Activity

Replace some unsafe usage of strncpy 

Ensure everything is null terminated
This commit is contained in:
TingPing 2014-09-20 13:52:31 -04:00
parent a9a6cbda4e
commit 84df81f336
1 changed files with 8 additions and 8 deletions
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16
src/common/ssl.c
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@ -111,8 +111,8 @@ ASN1_TIME_snprintf (char *buf, int buf_len, ASN1_TIME * tm)
buf[0] = 0;
if (expires != NULL)
{
memset (buf, 0, buf_len);
strncpy (buf, expires, 24);
/* expires is not \0 terminated */
safe_strcpy (buf, expires, MIN(24, buf_len));
}
BIO_free (inMem);
}
@ -174,17 +174,17 @@ _SSL_get_cert_info (struct cert_info *cert_info, SSL * ssl)
peer_pkey = X509_get_pubkey (peer_cert);
strncpy (cert_info->algorithm,
safe_strcpy (cert_info->algorithm,
(alg == NID_undef) ? "Unknown" : OBJ_nid2ln (alg),
sizeof (cert_info->algorithm));
cert_info->algorithm_bits = EVP_PKEY_bits (peer_pkey);
strncpy (cert_info->sign_algorithm,
safe_strcpy (cert_info->sign_algorithm,
(sign_alg == NID_undef) ? "Unknown" : OBJ_nid2ln (sign_alg),
sizeof (cert_info->sign_algorithm));
/* EVP_PKEY_bits(ca_pkey)); */
cert_info->sign_algorithm_bits = 0;
strncpy (cert_info->notbefore, notBefore, sizeof (cert_info->notbefore));
strncpy (cert_info->notafter, notAfter, sizeof (cert_info->notafter));
safe_strcpy (cert_info->notbefore, notBefore, sizeof (cert_info->notbefore));
safe_strcpy (cert_info->notafter, notAfter, sizeof (cert_info->notafter));
EVP_PKEY_free (peer_pkey);
@ -213,9 +213,9 @@ _SSL_get_cipher_info (SSL * ssl)
c = SSL_get_current_cipher (ssl);
strncpy (chiper_info.version, SSL_CIPHER_get_version (c),
safe_strcpy (chiper_info.version, SSL_CIPHER_get_version (c),
sizeof (chiper_info.version));
strncpy (chiper_info.chiper, SSL_CIPHER_get_name (c),
safe_strcpy (chiper_info.chiper, SSL_CIPHER_get_name (c),
sizeof (chiper_info.chiper));
SSL_CIPHER_get_bits (c, &chiper_info.chiper_bits);