diff options
-rw-r--r-- | lib/vtls/darwinssl.c | 141 |
1 files changed, 73 insertions, 68 deletions
diff --git a/lib/vtls/darwinssl.c b/lib/vtls/darwinssl.c index 18751ca49..dda53a651 100644 --- a/lib/vtls/darwinssl.c +++ b/lib/vtls/darwinssl.c @@ -849,7 +849,7 @@ CF_INLINE void GetDarwinVersionNumber(int *major, int *minor) into a string. Some aren't available under iOS or newer cats. So here's a unified function for getting a string describing the certificate that ought to work in all cats starting with Leopard. */ -CF_INLINE CFStringRef CopyCertSubject(SecCertificateRef cert) +CF_INLINE CFStringRef getsubject(SecCertificateRef cert) { CFStringRef server_cert_summary = CFSTR("(null)"); @@ -876,6 +876,39 @@ CF_INLINE CFStringRef CopyCertSubject(SecCertificateRef cert) return server_cert_summary; } +static CURLcode CopyCertSubject(struct Curl_easy *data, + SecCertificateRef cert, char **certp) +{ + CFStringRef c = getsubject(cert); + CURLcode result = CURLE_OK; + char *cbuf = NULL; + *certp = NULL; + + /* If subject is not UTF-8 then check if it can be converted */ + if(!CFStringGetCStringPtr(c, kCFStringEncodingUTF8)) { + size_t cbuf_size = ((size_t)CFStringGetLength(c) * 4) + 1; + cbuf = calloc(cbuf_size, 1); + if(cbuf) { + if(!CFStringGetCString(c, cbuf, cbuf_size, + kCFStringEncodingUTF8)) { + failf(data, "SSL: invalid CA certificate subject"); + result = CURLE_SSL_CACERT; + } + else + /* pass back the buffer */ + *certp = cbuf; + } + else { + failf(data, "SSL: couldn't allocate %zu bytes of memory", cbuf_size); + result = CURLE_OUT_OF_MEMORY; + } + } + if(result) + free(cbuf); + CFRelease(c); + return result; +} + #if CURL_SUPPORT_MAC_10_6 /* The SecKeychainSearch API was deprecated in Lion, and using it will raise deprecation warnings, so let's not compile this unless it's necessary: */ @@ -1418,20 +1451,16 @@ static CURLcode darwinssl_connect_step1(struct connectdata *conn, /* If we found one, print it out: */ err = SecIdentityCopyCertificate(cert_and_key, &cert); if(err == noErr) { - CFStringRef cert_summary = CopyCertSubject(cert); - char cert_summary_c[128]; - - if(cert_summary) { - memset(cert_summary_c, 0, 128); - if(CFStringGetCString(cert_summary, - cert_summary_c, - 128, - kCFStringEncodingUTF8)) { - infof(data, "Client certificate: %s\n", cert_summary_c); - } - CFRelease(cert_summary); - CFRelease(cert); + char *certp; + CURLcode result = CopyCertSubject(data, cert, &certp); + if(!result) { + infof(data, "Client certificate: %s\n", certp); + free(certp); } + + CFRelease(cert); + if(result) + return result; } certs_c[0] = cert_and_key; certs = CFArrayCreate(NULL, (const void **)certs_c, 1L, @@ -1875,6 +1904,8 @@ static int append_cert_to_array(struct Curl_easy *data, CFMutableArrayRef array) { CFDataRef certdata = CFDataCreate(kCFAllocatorDefault, buf, buflen); + char *certp; + CURLcode result; if(!certdata) { failf(data, "SSL: failed to allocate array for CA certificate"); return CURLE_OUT_OF_MEMORY; @@ -1889,25 +1920,10 @@ static int append_cert_to_array(struct Curl_easy *data, } /* Check if cacert is valid. */ - CFStringRef subject = CopyCertSubject(cacert); - if(subject) { - char subject_cbuf[128]; - memset(subject_cbuf, 0, 128); - if(!CFStringGetCString(subject, - subject_cbuf, - 128, - kCFStringEncodingUTF8)) { - CFRelease(cacert); - failf(data, "SSL: invalid CA certificate subject"); - return CURLE_SSL_CACERT; - } - CFRelease(subject); - } - else { - CFRelease(cacert); - failf(data, "SSL: invalid CA certificate"); - return CURLE_SSL_CACERT; - } + result = CopyCertSubject(data, cacert, &certp); + if(result) + return result; + free(certp); CFArrayAppendValue(array, cacert); CFRelease(cacert); @@ -2299,8 +2315,6 @@ show_verbose_server_cert(struct connectdata *conn, { struct Curl_easy *data = conn->data; struct ssl_connect_data *connssl = &conn->ssl[sockindex]; - CFStringRef server_cert_summary; - char server_cert_summary_c[128]; CFArrayRef server_certs = NULL; SecCertificateRef server_cert; OSStatus err; @@ -2319,16 +2333,14 @@ show_verbose_server_cert(struct connectdata *conn, if(err == noErr && trust) { count = SecTrustGetCertificateCount(trust); for(i = 0L ; i < count ; i++) { + CURLcode result; + char *certp; server_cert = SecTrustGetCertificateAtIndex(trust, i); - server_cert_summary = CopyCertSubject(server_cert); - memset(server_cert_summary_c, 0, 128); - if(CFStringGetCString(server_cert_summary, - server_cert_summary_c, - 128, - kCFStringEncodingUTF8)) { - infof(data, "Server certificate: %s\n", server_cert_summary_c); + result = CopyCertSubject(data, server_cert, &certp); + if(!result) { + infof(data, "Server certificate: %s\n", certp); + free(certp); } - CFRelease(server_cert_summary); } CFRelease(trust); } @@ -2347,16 +2359,14 @@ show_verbose_server_cert(struct connectdata *conn, if(err == noErr && trust) { count = SecTrustGetCertificateCount(trust); for(i = 0L ; i < count ; i++) { + char *certp; + CURLcode result; server_cert = SecTrustGetCertificateAtIndex(trust, i); - server_cert_summary = CopyCertSubject(server_cert); - memset(server_cert_summary_c, 0, 128); - if(CFStringGetCString(server_cert_summary, - server_cert_summary_c, - 128, - kCFStringEncodingUTF8)) { - infof(data, "Server certificate: %s\n", server_cert_summary_c); + result = CopyCertSubject(data, server_cert, &certp); + if(!result) { + infof(data, "Server certificate: %s\n", certp); + free(certp); } - CFRelease(server_cert_summary); } CFRelease(trust); } @@ -2368,18 +2378,15 @@ show_verbose_server_cert(struct connectdata *conn, if(err == noErr && server_certs) { count = CFArrayGetCount(server_certs); for(i = 0L ; i < count ; i++) { + char *certp; + CURLcode result; server_cert = (SecCertificateRef)CFArrayGetValueAtIndex(server_certs, i); - - server_cert_summary = CopyCertSubject(server_cert); - memset(server_cert_summary_c, 0, 128); - if(CFStringGetCString(server_cert_summary, - server_cert_summary_c, - 128, - kCFStringEncodingUTF8)) { - infof(data, "Server certificate: %s\n", server_cert_summary_c); + result = CopyCertSubject(data, server_cert, &certp); + if(!result) { + infof(data, "Server certificate: %s\n", certp); + free(certp); } - CFRelease(server_cert_summary); } CFRelease(server_certs); } @@ -2392,16 +2399,14 @@ show_verbose_server_cert(struct connectdata *conn, if(err == noErr) { count = CFArrayGetCount(server_certs); for(i = 0L ; i < count ; i++) { + CURLcode result; + char *certp; server_cert = (SecCertificateRef)CFArrayGetValueAtIndex(server_certs, i); - server_cert_summary = CopyCertSubject(server_cert); - memset(server_cert_summary_c, 0, 128); - if(CFStringGetCString(server_cert_summary, - server_cert_summary_c, - 128, - kCFStringEncodingUTF8)) { - infof(data, "Server certificate: %s\n", server_cert_summary_c); + result = CopyCertSubject(data, server_cert, &certp); + if(!result) { + infof(data, "Server certificate: %s\n", certp); + free(certp); } - CFRelease(server_cert_summary); } CFRelease(server_certs); } |