diff options
Diffstat (limited to 'ext/openssl/openssl.c')
| -rw-r--r-- | ext/openssl/openssl.c | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/ext/openssl/openssl.c b/ext/openssl/openssl.c index 4aac4e3137..5460f3a6e1 100644 --- a/ext/openssl/openssl.c +++ b/ext/openssl/openssl.c @@ -4829,6 +4829,30 @@ static int verify_callback(int preverify_ok, X509_STORE_CTX *ctx) /* {{{ */ } /* }}} */ +static int php_openssl_match_cn(const char *subjectname, const char *certname) +{ + int match = strcmp(subjectname, certname) == 0; + + if (!match) { + char *wildcard = strchr(certname, '*'); + int prefix_len = wildcard - certname; + + /* 1) prefix, if not empty, must match */ + if (wildcard && (prefix_len == 0 || strncmp(subjectname, certname, prefix_len) == 0)) { + const char *suffix = subjectname + strlen(subjectname) - strlen(wildcard + 1); + + /* + * 2) suffix must match + * 3) no period between prefix and suffix + **/ + match = strcmp(wildcard + 1, suffix) == 0 && + memchr(subjectname + prefix_len, '.', suffix - subjectname - prefix_len) == NULL; + } + } + + return match; +} + int php_openssl_apply_verification_policy(SSL *ssl, X509 *peer, php_stream *stream TSRMLS_DC) /* {{{ */ { zval **val = NULL; @@ -4881,16 +4905,7 @@ int php_openssl_apply_verification_policy(SSL *ssl, X509 *peer, php_stream *stre return FAILURE; } - match = strcmp(cnmatch, buf) == 0; - if (!match && strlen(buf) > 3 && buf[0] == '*' && buf[1] == '.') { - /* Try wildcard */ - - if (strchr(buf+2, '.')) { - char *tmp = strstr(cnmatch, buf+1); - - match = tmp && strcmp(tmp, buf+2) && tmp == strchr(cnmatch, '.'); - } - } + match = php_openssl_match_cn(cnmatch, buf); if (!match) { /* didn't match */ |