#include <CoreFoundation/CoreFoundation.h>
#include <Security/Security.h>
#include <Security/SecureTransport.h>
#include <Security/SecureTransportPriv.h>
#include <Security/SecTrustPriv.h>
#include <Security/SecPolicyPriv.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <time.h>
#include <ctype.h>
#include "sslAppUtils.h"
#include "ioSock.h"
#include "utilities/fileIo.h"
#include "utilities/SecCFWrappers.h"
#include "utilities/SecIOFormat.h"
#include "SecurityTool/sharedTool/print_cert.h"
#define DEFAULT_GETMSG "GET"
#define DEFAULT_PATH "/"
#define DEFAULT_GET_SUFFIX "HTTP/1.0\r\n\r\n"
#define DEFAULT_HOST "www.amazon.com"
#define DEFAULT_PORT 443
static const int _maxFileStringSize = 100;
static void usageNorm(char **argv)
{
printf("Usage: %s [hostname|-] [path] [option ...]\n", argv[0]);
printf(" %s hostname [path] [option ...]\n", argv[0]);
printf("Specifying '-' for hostname, or no args, uses default of %s.\n",
DEFAULT_HOST);
printf("Optional path argument must start with leading '/'.\n");
printf("Options:\n");
printf(" e Allow Expired Certs\n");
printf(" E Allow Expired Roots\n");
printf(" r Allow any root cert\n");
printf(" c Display peer certs\n");
printf(" c c Display peer SecTrust\n");
printf(" d Display received data\n");
printf(" 2 SSLv2 only (default is TLSv1)\n");
printf(" 3 SSLv3 only (default is TLSv1)\n");
printf(" t TLSv1\n");
printf(" %% TLSv1.1 only\n");
printf(" ^ TLSv1.2 only\n");
printf(" L all - TLSv1.2, TLSv1.1, TLSv1.0, SSLv3, SSLv2 (default = TLSv1.2)\n");
printf(" g={prot...} Specify legal protocols; prot = any combo of"
" [23t]\n");
printf(" k=keychain Contains cert and keys. Optional.\n");
printf(" l=loopCount Perform loopCount ops (default = 1)\n");
printf(" P=port Default = %d\n", DEFAULT_PORT);
printf(" p Pause after each loop\n");
printf(" q Quiet/diagnostic mode (site names and errors only)\n");
printf(" a fileName Add fileName to list of trusted roots\n");
printf(" A fileName fileName is ONLY trusted root\n");
printf(" x Disable Cert Verification\n");
printf(" Z string ALPN setting\n");
printf(" z=password Unlock client keychain with password.\n");
printf(" 8 Complete cert chains (default is out cert is a root)\n");
printf(" s Silent\n");
printf(" V Verbose\n");
printf(" h Help\n");
printf(" hv More, verbose help\n");
}
static void usageVerbose(char **argv) __attribute__((noreturn));
static void usageVerbose(char **argv)
{
usageNorm(argv);
printf("Obscure Usage:\n");
printf(" u kSSLProtocolUnknown only (TLSv1)\n");
printf(" M Manual cert verification via "
"SecTrustEvaluate\n");
printf(" f fileBase Write Peer Certs to fileBase*\n");
printf(" o TLSv1, SSLv3 use kSSLProtocol__X__Only\n");
printf(" C=cipherSuite (e=40-bit d=DES D=40-bit DES 3=3DES 4=RC4 "
"$=40-bit RC4\n"
" 2=RC2 a=AES128 A=AES256 h=DH H=Anon DH r=DHE/RSA s=DH/DSS\n");
printf(" y=keychain Encryption-only cert and keys. Optional.\n");
printf(" K Keep connected until server disconnects\n");
printf(" n Require closure notify message in TLSv1, "
"SSLv3 mode (implies K)\n");
printf(" R Disable resumable session support\n");
printf(" b Non-blocking I/O\n");
printf(" v Verify negotiated protocol equals attempted\n");
printf(" m=[23t] Max protocol supported as specified; implies "
"v\n");
printf(" T=[nrsj] Verify client cert state = "
"none/requested/sent/rejected\n");
printf(" H allow hostname spoofing\n");
printf(" F=vfyHost Verify certs with specified host name\n");
printf(" G=getMsg Specify entire GET, POST, etc.\n");
printf(" N Log handshake timing\n");
printf(" 7 Pause only after first loop\n");
exit(1);
}
static void usage(char **argv) __attribute__((noreturn));
static void usage(char **argv)
{
usageNorm(argv);
exit(1);
}
typedef struct {
SSLProtocol tryVersion; char *acceptedProts; const char *hostName; const char *vfyHostName; unsigned short port;
const char *getMsg; bool allowExpired;
bool allowAnyRoot;
bool allowExpiredRoot;
bool disableCertVerify;
bool manualCertVerify;
bool dumpRxData; char cipherRestrict; bool keepConnected;
bool requireNotify; bool resumableEnable;
bool allowHostnameSpoof;
bool nonBlocking;
char *anchorFile;
bool replaceAnchors;
CFArrayRef clientCerts; bool quiet; bool silent; bool verbose;
SSLProtocol negVersion; SSLCipherSuite negCipher; CFArrayRef peerCerts; SecTrustRef peerTrust; SSLClientCertificateState certState; char *password; char **argv;
Boolean sessionWasResumed;
unsigned char sessionID[MAX_SESSION_ID_LENGTH];
size_t sessionIDLength;
CFAbsoluteTime handshakeTimeOp; CFAbsoluteTime handshakeTimeFirst; CFAbsoluteTime handshakeTimeTotal; unsigned numHandshakes;
CFMutableArrayRef alpnNames;
CFMutableArrayRef policies;
} sslPingArgs;
static void
sigpipe(int sig)
{
fflush(stdin);
printf("***SIGPIPE***\n");
}
static OSStatus sslEvaluateTrust(
SSLContextRef ctx,
sslPingArgs *pargs,
CFArrayRef *peerCerts) {
OSStatus ortn = errSecSuccess;
SecTrustRef secTrust = NULL;
ortn = SSLGetPeerSecTrust(ctx, &secTrust);
if(ortn) {
printf("\n***Error obtaining peer SecTrustRef: %s\n",
sslGetSSLErrString(ortn));
return ortn;
}
if(secTrust == NULL) {
if(!pargs->silent) {
printf("...No SecTrust available - this is a resumed session, right?\n");
}
return errSecSuccess;
}
if (pargs->policies) {
SecTrustSetPolicies(secTrust, pargs->policies);
}
SecTrustResultType secTrustResult;
ortn = SecTrustGetTrustResult(secTrust, &secTrustResult); if(ortn) {
printf("\n***Error on SecTrustEvaluate: %d\n", (int)ortn);
return ortn;
}
if(pargs->verbose) {
const char *res = NULL;
switch(secTrustResult) {
case kSecTrustResultInvalid:
res = "kSecTrustResultInvalid"; break;
case kSecTrustResultProceed:
res = "kSecTrustResultProceed"; break;
case kSecTrustResultDeny:
res = "kSecTrustResultDeny"; break;
case kSecTrustResultUnspecified:
res = "kSecTrustResultUnspecified"; break;
case kSecTrustResultRecoverableTrustFailure:
res = "kSecTrustResultRecoverableTrustFailure"; break;
case kSecTrustResultFatalTrustFailure:
res = "kSecTrustResultFatalTrustFailure"; break;
case kSecTrustResultOtherError:
res = "kSecTrustResultOtherError"; break;
default:
res = "UNKNOWN"; break;
}
printf("\nSecTrustEvaluate(): secTrustResult %s\n", res);
}
switch(secTrustResult) {
case kSecTrustResultUnspecified:
case kSecTrustResultProceed:
break;
default:
printf("\n***SecTrustEvaluate reported secTrustResult %d\n",
(int)secTrustResult);
ortn = errSSLXCertChainInvalid;
break;
}
*peerCerts = NULL;
#ifdef USE_CDSA_CRYPTO
CSSM_TP_APPLE_EVIDENCE_INFO *dummyEv;
OSStatus thisRtn = SecTrustGetResult(secTrust, &secTrustResult,
peerCerts, &dummyEv);
if(thisRtn) {
printSslErrStr("SecTrustGetResult", thisRtn);
}
else {
CFIndex numCerts = CFArrayGetCount(*peerCerts);
for(CFIndex dex=0; dex<numCerts; dex++) {
CFRetain(CFArrayGetValueAtIndex(*peerCerts, dex));
}
}
#endif
return ortn;
}
static void dumpAscii(
uint8_t *rcvBuf,
size_t len)
{
char *cp = (char *)rcvBuf;
uint32_t i;
char c;
for(i=0; i<len; i++) {
c = *cp++;
if(c == '\0') {
break;
}
switch(c) {
case '\n':
printf("\\n");
break;
case '\r':
printf("\\r");
break;
default:
if(isprint(c) && (c != '\n')) {
printf("%c", c);
}
else {
printf("<%02X>", ((unsigned)c) & 0xff);
}
break;
}
}
printf("\n");
}
static void
alpnFunc(SSLContextRef ctx,
void *info,
const void *alpnData,
size_t alpnDataLength)
{
printf("[selected ALPN]");
}
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
#define RCV_BUF_SIZE 256
static OSStatus sslPing(
sslPingArgs *pargs)
{
PeerSpec peerId;
otSocket sock = 0;
OSStatus ortn;
SSLContextRef ctx = NULL;
size_t length;
size_t actLen;
uint8_t rcvBuf[RCV_BUF_SIZE];
CFAbsoluteTime startHandshake;
CFAbsoluteTime endHandshake;
pargs->negVersion = kSSLProtocolUnknown;
pargs->negCipher = SSL_NULL_WITH_NULL_NULL;
pargs->peerCerts = NULL;
ortn = MakeServerConnection(pargs->hostName, pargs->port, pargs->nonBlocking,
&sock, &peerId);
if(ortn) {
printf("MakeServerConnection returned %d; aborting\n", (int)ortn);
return ortn;
}
if(pargs->verbose) {
printf("...connected to server; starting SecureTransport\n");
}
ctx = SSLCreateContext(kCFAllocatorDefault, kSSLClientSide, kSSLStreamType);
if(ctx == NULL) {
printf("SSLCreateContext\n");
goto cleanup;
}
ortn = SSLSetIOFuncs(ctx, SocketRead, SocketWrite);
if(ortn) {
printSslErrStr("SSLSetIOFuncs", ortn);
goto cleanup;
}
ortn = SSLSetConnection(ctx, (SSLConnectionRef)(intptr_t)sock);
if(ortn) {
printSslErrStr("SSLSetConnection", ortn);
goto cleanup;
}
SSLConnectionRef getConn;
ortn = SSLGetConnection(ctx, &getConn);
if(ortn) {
printSslErrStr("SSLGetConnection", ortn);
goto cleanup;
}
if(getConn != (SSLConnectionRef)(intptr_t)sock) {
printf("***SSLGetConnection error\n");
ortn = errSecParam;
goto cleanup;
}
if(!pargs->allowHostnameSpoof) {
const char *vfyHost = pargs->hostName;
if(pargs->vfyHostName) {
vfyHost = pargs->vfyHostName;
}
ortn = SSLSetPeerDomainName(ctx, vfyHost, strlen(vfyHost));
if(ortn) {
printSslErrStr("SSLSetPeerDomainName", ortn);
goto cleanup;
}
}
if(pargs->acceptedProts) {
if(ortn) {
printSslErrStr("SSLSetProtocolVersionEnabled(all off)", ortn);
goto cleanup;
}
for(const char *cp = pargs->acceptedProts; *cp; cp++) {
switch(*cp) {
case '2':
ortn = SSLSetProtocolVersionMax(ctx, kSSLProtocol2);
break;
case '3':
ortn = SSLSetProtocolVersionMax(ctx, kSSLProtocol3);
break;
case 't':
ortn = SSLSetProtocolVersionMax(ctx, kTLSProtocol12);
break;
default:
usage(pargs->argv);
}
if(ortn) {
printSslErrStr("SSLSetProtocolVersionMax", ortn);
goto cleanup;
}
}
} else {
ortn = SSLSetProtocolVersionMax(ctx, pargs->tryVersion);
if(ortn) {
printSslErrStr("SSLSetProtocolVersionMax", ortn);
goto cleanup;
}
}
if(pargs->resumableEnable) {
const void *rtnId = NULL;
size_t rtnIdLen = 0;
ortn = SSLSetPeerID(ctx, &peerId, sizeof(PeerSpec));
if(ortn) {
printSslErrStr("SSLSetPeerID", ortn);
goto cleanup;
}
ortn = SSLGetPeerID(ctx, &rtnId, &rtnIdLen);
if(ortn) {
printSslErrStr("SSLGetPeerID", ortn);
goto cleanup;
}
if((rtnId == NULL) || (rtnIdLen != sizeof(PeerSpec))) {
printf("***SSLGetPeerID screwup\n");
}
else if(memcmp(&peerId, rtnId, rtnIdLen) != 0) {
printf("***SSLGetPeerID data mismatch\n");
}
}
if(pargs->allowExpired) {
ortn = SSLSetAllowsExpiredCerts(ctx, true);
if(ortn) {
printSslErrStr("SSLSetAllowExpiredCerts", ortn);
goto cleanup;
}
}
if(pargs->allowExpiredRoot) {
ortn = SSLSetAllowsExpiredRoots(ctx, true);
if(ortn) {
printSslErrStr("SSLSetAllowsExpiredRoots", ortn);
goto cleanup;
}
}
if(pargs->disableCertVerify) {
ortn = SSLSetEnableCertVerify(ctx, false);
if(ortn) {
printSslErrStr("SSLSetEnableCertVerify", ortn);
goto cleanup;
}
}
if(pargs->allowAnyRoot) {
ortn = SSLSetAllowsAnyRoot(ctx, true);
if(ortn) {
printSslErrStr("SSLSetAllowAnyRoot", ortn);
goto cleanup;
}
}
if(pargs->cipherRestrict != '\0') {
ortn = sslSetCipherRestrictions(ctx, pargs->cipherRestrict);
if(ortn) {
goto cleanup;
}
}
if(pargs->anchorFile) {
ortn = sslAddTrustedRoot(ctx, pargs->anchorFile, pargs->replaceAnchors);
if(ortn) {
printf("***Error obtaining anchor file %s\n", pargs->anchorFile);
goto cleanup;
}
}
if(pargs->clientCerts) {
CFArrayRef dummy;
if(pargs->anchorFile == NULL) {
ortn = addIdentityAsTrustedRoot(ctx, pargs->clientCerts);
if(ortn) {
goto cleanup;
}
}
ortn = SSLSetCertificate(ctx, pargs->clientCerts);
if(ortn) {
printSslErrStr("SSLSetCertificate", ortn);
goto cleanup;
}
ortn = SSLGetCertificate(ctx, &dummy);
if(ortn) {
printSslErrStr("SSLGetCertificate", ortn);
goto cleanup;
}
if(dummy != pargs->clientCerts) {
printf("***SSLGetCertificate error\n");
ortn = errSecIO;
goto cleanup;
}
}
if (pargs->alpnNames) {
CFMutableDataRef alpn = CFDataCreateMutable(NULL, 0);
CFArrayForEach(pargs->alpnNames, ^(const void *value) {
CFDataRef data = (CFDataRef)value;
uint8_t len = CFDataGetLength(data);
CFDataAppendBytes(alpn, (const UInt8 *)&len, sizeof(len));
CFDataAppend(alpn, data);
});
SSLSetALPNData(ctx, CFDataGetBytePtr(alpn), CFDataGetLength(alpn));
SSLSetALPNFunc(ctx, alpnFunc, (void *)NULL);
CFRelease(alpn);
}
if(pargs->verbose) {
printf("...starting SSL handshake\n");
}
startHandshake = CFAbsoluteTimeGetCurrent();
do
{ ortn = SSLHandshake(ctx);
if((ortn == errSSLWouldBlock) && !pargs->silent) {
sslOutputDot();
}
} while (ortn == errSSLWouldBlock);
endHandshake = CFAbsoluteTimeGetCurrent();
pargs->handshakeTimeOp = endHandshake - startHandshake;
if(pargs->numHandshakes == 0) {
pargs->handshakeTimeFirst = pargs->handshakeTimeOp;
}
else {
pargs->handshakeTimeTotal += pargs->handshakeTimeOp;
}
pargs->numHandshakes++;
ortn = SSLCopyPeerTrust(ctx, &pargs->peerTrust);
if(ortn) {
printf("***SSLCopyPeerTrust error %" PRIdOSStatus "\n", ortn);
pargs->peerTrust = NULL;
}
SSLGetClientCertificateState(ctx, &pargs->certState);
SSLGetNegotiatedCipher(ctx, &pargs->negCipher);
SSLGetNegotiatedProtocolVersion(ctx, &pargs->negVersion);
pargs->sessionIDLength = MAX_SESSION_ID_LENGTH;
ortn = SSLGetResumableSessionInfo(ctx, &pargs->sessionWasResumed, pargs->sessionID, &pargs->sessionIDLength);
if(!ortn) {
OSStatus certRtn = sslEvaluateTrust(ctx, pargs, &pargs->peerCerts);
if (certRtn && !pargs->manualCertVerify) {
SSLCopyPeerCertificates(ctx, &pargs->peerCerts);
certRtn = 0;
}
if(certRtn && !ortn ) {
ortn = certRtn;
}
}
if(ortn) {
if(!pargs->silent) {
printf("\n");
}
goto cleanup;
}
if(pargs->verbose) {
printf("...SSL handshake complete\n");
}
length = strlen(pargs->getMsg);
(void) SSLWrite(ctx, pargs->getMsg, length, &actLen);
while (1) {
actLen = 0;
if(pargs->dumpRxData) {
size_t avail = 0;
ortn = SSLGetBufferedReadSize(ctx, &avail);
if(ortn) {
printf("***SSLGetBufferedReadSize error\n");
break;
}
if(avail != 0) {
printf("\n%d bytes available: ", (int)avail);
}
}
ortn = SSLRead(ctx, rcvBuf, RCV_BUF_SIZE, &actLen);
if((actLen == 0) && !pargs->silent) {
sslOutputDot();
}
if((actLen == 0) && (ortn == errSecSuccess)) {
printf("***Radar 2984932 confirmed***\n");
}
if (ortn == errSSLWouldBlock) {
ortn = errSecSuccess;
}
if((actLen > 0) && pargs->dumpRxData) {
dumpAscii(rcvBuf, actLen);
}
if(ortn != errSecSuccess) {
break;
}
if(!pargs->keepConnected && (actLen > 0)) {
break;
}
}
if(!pargs->silent) {
printf("\n");
}
SSLGetClientCertificateState(ctx, &pargs->certState);
SSLGetNegotiatedCipher(ctx, &pargs->negCipher);
SSLGetNegotiatedProtocolVersion(ctx, &pargs->negVersion);
if(ortn == errSSLClosedGraceful) {
ortn = errSecSuccess;
}
if((ortn == errSSLClosedNoNotify) && !pargs->requireNotify) {
ortn = errSecSuccess;
}
cleanup: ;
OSStatus cerr = errSecParam;
if (ctx) {
cerr = SSLClose(ctx);
}
if(ortn == errSecSuccess) {
ortn = cerr;
}
if(sock) {
endpointShutdown(sock);
}
if(ctx) {
CFRelease(ctx);
}
return ortn;
}
#if TARGET_OS_IPHONE
static void add_key(const void *key, const void *value, void *context) {
CFArrayAppendValue((CFMutableArrayRef)context, key);
}
static void showInfo(CFDictionaryRef info) {
CFIndex dict_count, key_ix, key_count;
CFMutableArrayRef keys = NULL;
CFIndex maxWidth = 20;
dict_count = CFDictionaryGetCount(info);
keys = CFArrayCreateMutable(kCFAllocatorDefault, dict_count,
&kCFTypeArrayCallBacks);
CFDictionaryApplyFunction(info, add_key, keys);
key_count = CFArrayGetCount(keys);
CFArraySortValues(keys, CFRangeMake(0, key_count),
(CFComparatorFunction)CFStringCompare, 0);
for (key_ix = 0; key_ix < key_count; ++key_ix) {
CFStringRef key = (CFStringRef)CFArrayGetValueAtIndex(keys, key_ix);
CFTypeRef value = CFDictionaryGetValue(info, key);
CFMutableStringRef line = CFStringCreateMutable(NULL, 0);
CFStringAppend(line, key);
CFIndex jx;
for (jx = CFStringGetLength(key);
jx < maxWidth; ++jx) {
CFStringAppend(line, CFSTR(" "));
}
CFStringAppend(line, CFSTR(" : "));
if (CFStringGetTypeID() == CFGetTypeID(value)) {
CFStringAppend(line, (CFStringRef)value);
} else if (CFDateGetTypeID() == CFGetTypeID(value)) {
CFLocaleRef lc = CFLocaleCopyCurrent();
CFDateFormatterRef df = CFDateFormatterCreate(NULL, lc,
kCFDateFormatterFullStyle, kCFDateFormatterFullStyle);
CFDateRef date = (CFDateRef)value;
CFStringRef ds = CFDateFormatterCreateStringWithDate(NULL, df,
date);
CFStringAppend(line, ds);
CFRelease(ds);
CFRelease(df);
CFRelease(lc);
} else if (CFURLGetTypeID() == CFGetTypeID(value)) {
CFURLRef url = (CFURLRef)value;
CFStringAppend(line, CFSTR("<"));
CFStringAppend(line, CFURLGetString(url));
CFStringAppend(line, CFSTR(">"));
} else if (CFDataGetTypeID() == CFGetTypeID(value)) {
CFDataRef v_d = (CFDataRef)value;
CFStringRef v_s = CFStringCreateFromExternalRepresentation(
kCFAllocatorDefault, v_d, kCFStringEncodingUTF8);
if (v_s) {
CFStringAppend(line, CFSTR("/"));
CFStringAppend(line, v_s);
CFStringAppend(line, CFSTR("/ "));
CFRelease(v_s);
}
const uint8_t *bytes = CFDataGetBytePtr(v_d);
CFIndex len = CFDataGetLength(v_d);
for (jx = 0; jx < len; ++jx) {
CFStringAppendFormat(line, NULL, CFSTR("%.02X"), bytes[jx]);
}
} else {
CFStringAppendFormat(line, NULL, CFSTR("%@"), value);
}
CFStringWriteToFileWithNewline(line, stdout);
CFRelease(line);
}
CFRelease(keys);
}
#endif
#pragma clang diagnostic pop
static void showPeerTrust(SecTrustRef peerTrust, bool verbose) {
if(peerTrust == NULL) {
return;
}
#if TARGET_OS_IPHONE
CFIndex numCerts;
CFIndex i;
printf("\n=============== Peer Trust Properties ===============\n");
CFArrayRef plist = SecTrustCopyProperties(peerTrust);
if (plist) {
print_plist(plist);
CFRelease(plist);
}
printf("\n================== Peer Trust Info ==================\n");
CFDictionaryRef info = SecTrustCopyInfo(peerTrust);
if (info && CFDictionaryGetCount(info)) {
showInfo(info);
}
if (info) {
CFRelease(info);
}
numCerts = SecTrustGetCertificateCount(peerTrust);
for(i=0; i<numCerts; i++) {
plist = SecTrustCopySummaryPropertiesAtIndex(peerTrust, i);
printf("\n============= Peer Trust Cert %lu Summary =============\n\n", i);
print_plist(plist);
if (plist) {
CFRelease(plist);
}
printf("\n============= Peer Trust Cert %lu Details =============\n\n", i);
plist = SecTrustCopyDetailedPropertiesAtIndex(peerTrust, i);
print_plist(plist);
if (plist) {
CFRelease(plist);
}
printf("\n============= End of Peer Trust Cert %lu ==============\n", i);
}
#endif
}
static void showPeerCerts(
CFArrayRef __unused peerCerts,
bool __unused verbose)
{
#if 0
CFIndex numCerts;
SecCertificateRef certRef;
CFIndex i;
if(peerCerts == NULL) {
return;
}
numCerts = CFArrayGetCount(peerCerts);
for(i=0; i<numCerts; i++) {
certRef = (SecCertificateRef)CFArrayGetValueAtIndex(peerCerts, i);
printf("\n==================== Peer Cert %lu ====================\n\n", i);
print_cert(certRef, verbose);
printf("\n================ End of Peer Cert %lu =================\n", i);
}
#endif
}
static void writePeerCerts(
CFArrayRef peerCerts,
const char *fileBase)
{
CFIndex numCerts;
SecCertificateRef certRef;
CFIndex i;
char fileName[_maxFileStringSize];
if(peerCerts == NULL) {
return;
}
numCerts = CFArrayGetCount(peerCerts);
for(i=0; i<numCerts; i++) {
snprintf(fileName, _maxFileStringSize, "%s%02d.cer", fileBase, (int)i);
certRef = (SecCertificateRef)CFArrayGetValueAtIndex(peerCerts, i);
CFDataRef derCert = SecCertificateCopyData(certRef);
if (derCert) {
writeFileSizet(fileName, CFDataGetBytePtr(derCert),
CFDataGetLength(derCert));
CFRelease(derCert);
}
}
printf("...wrote %lu certs to fileBase %s\n", numCerts, fileBase);
}
static void showSSLResult(
const sslPingArgs *pargs,
OSStatus err,
int displayPeerCerts,
char *fileBase) {
CFIndex numPeerCerts;
printf("\n");
if(pargs->acceptedProts) {
printf(" Allowed SSL versions : %s\n", pargs->acceptedProts);
}
else {
printf(" Attempted SSL version : %s\n",
sslGetProtocolVersionString(pargs->tryVersion));
}
printf(" Result : %s\n", sslGetSSLErrString(err));
printf(" Negotiated SSL version : %s\n",
sslGetProtocolVersionString(pargs->negVersion));
printf(" Negotiated CipherSuite : %s\n",
sslGetCipherSuiteString(pargs->negCipher));
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
if(pargs->certState != kSSLClientCertNone) {
printf(" Client Cert State : %s\n",
sslGetClientCertStateString(pargs->certState));
}
#pragma clang diagnostic pop
if(pargs->verbose) {
printf(" Resumed Session : ");
if(pargs->sessionWasResumed) {
for(unsigned dex=0; dex<pargs->sessionIDLength; dex++) {
printf("%02X ", pargs->sessionID[dex]);
if(((dex % 8) == 7) && (dex != (pargs->sessionIDLength - 1))) {
printf("\n ");
}
}
printf("\n");
}
else {
printf("NOT RESUMED\n");
}
printf(" Handshake time : %f seconds\n", pargs->handshakeTimeOp);
}
if(pargs->peerCerts == NULL) {
numPeerCerts = 0;
}
else {
numPeerCerts = CFArrayGetCount(pargs->peerCerts);
}
printf(" Number of server certs : %lu\n", numPeerCerts);
if(numPeerCerts != 0) {
if (displayPeerCerts == 1) {
showPeerCerts(pargs->peerCerts, false);
} else if (displayPeerCerts == 2) {
showPeerTrust(pargs->peerTrust, false);
}
if(fileBase != NULL) {
writePeerCerts(pargs->peerCerts, fileBase);
}
}
printf("\n");
}
static int verifyProtocol(
bool verifyProt,
SSLProtocol maxProtocol,
SSLProtocol reqProtocol,
SSLProtocol negProtocol)
{
if(!verifyProt) {
return 0;
}
if(reqProtocol > maxProtocol) {
reqProtocol = maxProtocol;
}
if(reqProtocol != negProtocol) {
printf("***Expected protocol %s; negotiated %s\n",
sslGetProtocolVersionString(reqProtocol),
sslGetProtocolVersionString(negProtocol));
return 1;
}
else {
return 0;
}
}
static int verifyClientCertState(
bool verifyCertState,
SSLClientCertificateState expectState,
SSLClientCertificateState gotState)
{
if(!verifyCertState) {
return 0;
}
if(expectState == gotState) {
return 0;
}
printf("***Expected clientCertState %s; got %s\n",
sslGetClientCertStateString(expectState),
sslGetClientCertStateString(gotState));
return 1;
}
static SSLProtocol charToProt(
char c, char **argv)
{
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
switch(c) {
case '2':
return kSSLProtocol2;
case '3':
return kSSLProtocol3;
case 't':
return kTLSProtocol12;
default:
usage(argv);
}
#pragma clang diagnostic pop
}
int main(int argc, char **argv)
{
OSStatus err;
int arg;
char *argp;
char getMsg[300];
char fullFileBase[_maxFileStringSize];
int ourRtn = 0; unsigned loop;
SecKeychainRef serverKc = nil;
sslPingArgs pargs;
const char *getPath = DEFAULT_PATH;
char *fileBase = NULL;
int displayCerts = 0;
bool doSslV2 = false;
bool doSslV3 = false;
bool doTlsV1 = true;
bool doTlsV11 = false;
bool doTlsV12 = false;
bool protXOnly = false; bool doProtUnknown = false;
unsigned loopCount = 1;
bool doPause = false;
bool pauseFirstLoop = false;
bool verifyProt = false;
char *acceptedProts = NULL;
char *keyChainName = NULL;
char *getMsgSpec = NULL;
bool vfyCertState = false;
bool displayHandshakeTimes = false;
bool completeCertChain = false;
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
SSLClientCertificateState expectCertState = kSSLClientCertNone;
SSLProtocol maxProtocol = kTLSProtocol12; #pragma clang diagnostic pop
if(argc == 2) {
if((strcmp(argv[1], "h") == 0) || (strcmp(argv[1], "-h") == 0)) {
usage(argv);
}
if(strcmp(argv[1], "hv") == 0) {
usageVerbose(argv);
}
}
memset(&pargs, 0, sizeof(sslPingArgs));
pargs.hostName = DEFAULT_HOST;
pargs.port = DEFAULT_PORT;
pargs.resumableEnable = true;
pargs.argv = argv;
for(arg=1; arg<argc; arg++) {
argp = argv[arg];
if(arg == 1) {
if(argp[0] != '-') {
pargs.hostName = argp;
}
continue;
}
if(argp[0] == '/') {
getPath = argp;
continue;
}
switch(argp[0]) {
case 'Z': {
if(++arg == argc) {
usage(argv);
}
if (pargs.alpnNames == NULL) {
pargs.alpnNames = CFArrayCreateMutableForCFTypes(NULL);
}
CFDataRef alpn = CFDataCreate(NULL, (const UInt8 *)argv[arg], strlen(argv[arg]));
CFArrayAppendValue(pargs.alpnNames, alpn);
CFReleaseNull(alpn);
break;
}
case 'W':
case 'w': {
CFDictionaryRef context = NULL;
if(++arg == argc) {
usage(argv);
}
if (argp[0] == 'W') {
context = CFDictionaryCreateForCFTypes(NULL,
CFSTR("AppleServerAuthenticationAllowUATAPN"), kCFBooleanTrue,
CFSTR("AppleServerAuthenticationAllowUATIDS"), kCFBooleanTrue,
CFSTR("AppleServerAuthenticationAllowUATGS"), kCFBooleanTrue,
NULL);
}
const char *verifyName = pargs.hostName;
if (pargs.policies == NULL) {
pargs.policies = CFArrayCreateMutableForCFTypes(NULL);
}
if (pargs.vfyHostName)
verifyName = pargs.vfyHostName;
SecPolicyRef policy = NULL;
CFStringRef hostname = CFStringCreateWithCString(NULL, verifyName, kCFStringEncodingUTF8);
if (strcasecmp(argv[arg], "PushLegacy") == 0) {
policy = SecPolicyCreateApplePushServiceLegacy(hostname);
} else if (strcasecmp(argv[arg], "Push") == 0) {
policy = SecPolicyCreateApplePushService(hostname, context);
} else if (strcasecmp(argv[arg], "IDS") == 0) {
policy = SecPolicyCreateAppleIDSServiceContext(hostname, context);
} else if (strcasecmp(argv[arg], "GS") == 0) {
policy = SecPolicyCreateAppleGSService(hostname, context);
} else {
printf("unknown policy: %s", argv[arg]);
CFReleaseNull(hostname);
CFReleaseNull(context);
usage(argv);
}
if (policy) {
CFArrayAppendValue(pargs.policies, policy);
}
CFReleaseNull(policy);
CFReleaseNull(hostname);
CFReleaseNull(context);
break;
}
case 'e':
pargs.allowExpired = true;
break;
case 'E':
pargs.allowExpiredRoot = true;
break;
case 'x':
pargs.disableCertVerify = true;
break;
case 'M':
pargs.disableCertVerify = true; pargs.manualCertVerify = true;
break;
case 'a':
if(++arg == argc) {
usage(argv);
}
pargs.anchorFile = argv[arg];
break;
case 'A':
if(++arg == argc) {
usage(argv);
}
pargs.anchorFile = argv[arg];
pargs.replaceAnchors = true;
break;
case 'r':
pargs.allowAnyRoot = true;
break;
case 'd':
pargs.dumpRxData = true;
break;
case 'c':
displayCerts++;
break;
case 'f':
if(++arg == argc) {
usage(argv);
}
fileBase = argv[arg];
break;
case 'C':
pargs.cipherRestrict = argp[2];
break;
case '2':
doSslV3 = doTlsV1 = doTlsV11 = false;
doSslV2 = true;
break;
case '3':
doSslV2 = doTlsV1 = doTlsV11 = doTlsV12 = false;
doSslV3 = true;
break;
case 't':
doSslV2 = doSslV3 = doTlsV11 = doTlsV12 = false;
doTlsV1 = true;
break;
case '%':
doSslV2 = doSslV3 = doTlsV1 = false;
doTlsV11 = true;
break;
case '^':
doSslV2 = doSslV3 = doTlsV1 = false;
doTlsV12 = true;
break;
case 'L':
doSslV2 = doSslV3 = doTlsV1 = doTlsV11 = doTlsV12 = true;
break;
case 'o':
protXOnly = true;
break;
case 'u':
doSslV2 = doSslV3 = doTlsV1 = doTlsV11 = doTlsV12 = false;
doProtUnknown = true;
break;
case 'K':
pargs.keepConnected = true;
break;
case 'n':
pargs.requireNotify = true;
pargs.keepConnected = true;
break;
case 'R':
pargs.resumableEnable = false;
break;
case 'b':
pargs.nonBlocking = true;
break;
case 'v':
verifyProt = true;
break;
case 'm':
if(argp[1] != '=') {
usage(argv);
}
verifyProt = true; maxProtocol = charToProt(argp[2], argv);
break;
case 'g':
if(argp[1] != '=') {
usage(argv);
}
acceptedProts = argv[arg];
doSslV3 = doSslV2 = doTlsV1 = doTlsV11 = doTlsV12 = false;
break;
case 'l':
if(++arg == argc) {
usage(argv);
}
int parsedLoopCount = atoi(argv[arg]);
if (parsedLoopCount <= 0) {
printf("***bad loopCount\n");
usage(argv);
}
loopCount = (unsigned) parsedLoopCount;
break;
case 'P':
if(++arg == argc) {
usage(argv);
}
pargs.port = atoi(argv[arg]);
break;
case 'H':
pargs.allowHostnameSpoof = true;
break;
case 'F':
if(++arg == argc) {
usage(argv);
}
pargs.vfyHostName = argv[arg];
break;
case 'k':
if(++arg == argc) {
usage(argv);
}
keyChainName = &argp[2];
break;
case 'G':
getMsgSpec = &argp[2];
break;
case 'T':
if(argp[1] != '=') {
usage(argv);
}
vfyCertState = true;
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
switch(argp[2]) {
case 'n':
expectCertState = kSSLClientCertNone;
break;
case 'r':
expectCertState = kSSLClientCertRequested;
break;
case 's':
expectCertState = kSSLClientCertSent;
break;
case 'j':
expectCertState = kSSLClientCertRejected;
break;
default:
usage(argv);
}
#pragma clang diagnostic pop
break;
case 'z':
pargs.password = &argp[2];
break;
case 'p':
doPause = true;
break;
case '7':
pauseFirstLoop = true;
break;
case 'q':
pargs.quiet = true;
break;
case 'V':
pargs.verbose = true;
break;
case 's':
pargs.silent = pargs.quiet = true;
break;
case 'N':
displayHandshakeTimes = true;
break;
case '8':
completeCertChain = true;
break;
case 'h':
if(pargs.verbose || (argp[1] == 'v')) {
usageVerbose(argv);
}
else {
usage(argv);
}
default:
usage(argv);
}
}
if(getMsgSpec) {
pargs.getMsg = getMsgSpec;
}
else {
sprintf(getMsg, "%s %s %s",
DEFAULT_GETMSG, getPath, DEFAULT_GET_SUFFIX);
pargs.getMsg = getMsg;
}
if(keyChainName) {
pargs.clientCerts = getSslCerts(keyChainName, false, completeCertChain,
pargs.anchorFile, &serverKc);
if(pargs.clientCerts == nil) {
exit(1);
}
#ifdef USE_CDSA_CRYPTO
if(pargs.password) {
OSStatus ortn = SecKeychainUnlock(serverKc,
strlen(pargs.password), pargs.password, true);
if(ortn) {
printf("SecKeychainUnlock returned %d\n", (int)ortn);
}
}
#endif
}
{
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_flags = SA_RESTART;
sa.sa_handler = sigpipe;
sigaction(SIGPIPE, &sa, NULL);
}
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
for(loop=0; loop<loopCount; loop++) {
if(doTlsV12) {
pargs.tryVersion = kTLSProtocol12;
pargs.acceptedProts = NULL;
if(!pargs.silent) {
printf("Connecting to host %s with TLS V1.2...", pargs.hostName);
}
fflush(stdout);
err = sslPing(&pargs);
if(err) {
ourRtn++;
}
if(!pargs.quiet) {
if(fileBase) {
snprintf(fullFileBase, _maxFileStringSize, "%s_v3.1", fileBase);
}
showSSLResult(&pargs,
err,
displayCerts,
fileBase ? fullFileBase : NULL);
}
CFReleaseNull(pargs.peerCerts);
if(!err) {
switch(pargs.negVersion) {
case kTLSProtocol11:
doTlsV11 =false;
break;
case kTLSProtocol1:
doTlsV11 =false;
doTlsV1 =false;
break;
case kSSLProtocol3:
doTlsV11 =false;
doTlsV1 =false;
doSslV3 = false;
break;
case kSSLProtocol2:
doTlsV11 =false;
doTlsV1 =false;
doSslV3 = false;
doSslV2 = false;
break;
default:
break;
}
ourRtn += verifyProtocol(verifyProt, maxProtocol, kTLSProtocol12,
pargs.negVersion);
}
ourRtn += verifyClientCertState(vfyCertState, expectCertState,
pargs.certState);
}
if(doTlsV11) {
pargs.tryVersion = kTLSProtocol11;
pargs.acceptedProts = NULL;
if(!pargs.silent) {
printf("Connecting to host %s with TLS V1.1...", pargs.hostName);
}
fflush(stdout);
err = sslPing(&pargs);
if(err) {
ourRtn++;
}
if(!pargs.quiet) {
if(fileBase) {
snprintf(fullFileBase, _maxFileStringSize, "%s_v3.1", fileBase);
}
showSSLResult(&pargs,
err,
displayCerts,
fileBase ? fullFileBase : NULL);
}
CFReleaseNull(pargs.peerCerts);
if(!err) {
switch(pargs.negVersion) {
case kTLSProtocol1:
doTlsV1 =false;
break;
case kSSLProtocol3:
doTlsV1 =false;
doSslV3 = false;
break;
case kSSLProtocol2:
doTlsV1 =false;
doSslV3 = false;
doSslV2 = false;
break;
default:
break;
}
ourRtn += verifyProtocol(verifyProt, maxProtocol, kTLSProtocol11,
pargs.negVersion);
}
ourRtn += verifyClientCertState(vfyCertState, expectCertState,
pargs.certState);
}
if(doTlsV1) {
pargs.tryVersion =
protXOnly ? kTLSProtocol1Only : kTLSProtocol1;
pargs.acceptedProts = NULL;
if(!pargs.silent) {
printf("Connecting to host %s with TLS V1...", pargs.hostName);
}
fflush(stdout);
err = sslPing(&pargs);
if(err) {
ourRtn++;
}
if(!pargs.quiet) {
if(fileBase) {
snprintf(fullFileBase, _maxFileStringSize, "%s_v3.1", fileBase);
}
showSSLResult(&pargs,
err,
displayCerts,
fileBase ? fullFileBase : NULL);
}
CFReleaseNull(pargs.peerCerts);
if(!err) {
switch(pargs.negVersion) {
case kSSLProtocol3:
doSslV3 = false;
break;
case kSSLProtocol2:
doSslV3 = false;
doSslV2 = false;
break;
default:
break;
}
ourRtn += verifyProtocol(verifyProt, maxProtocol, kTLSProtocol1,
pargs.negVersion);
}
ourRtn += verifyClientCertState(vfyCertState, expectCertState,
pargs.certState);
}
if(doSslV3) {
pargs.tryVersion = protXOnly ? kSSLProtocol3Only : kSSLProtocol3;
pargs.acceptedProts = NULL;
if(!pargs.silent) {
printf("Connecting to host %s with SSL V3...", pargs.hostName);
}
fflush(stdout);
err = sslPing(&pargs);
if(err) {
ourRtn++;
}
if(!pargs.quiet) {
if(fileBase) {
snprintf(fullFileBase, _maxFileStringSize, "%s_v3.0", fileBase);
}
showSSLResult(&pargs,
err,
displayCerts,
fileBase ? fullFileBase : NULL);
}
CFReleaseNull(pargs.peerCerts);
if(!err) {
switch(pargs.negVersion) {
case kSSLProtocol2:
doSslV2 = false;
break;
default:
break;
}
ourRtn += verifyProtocol(verifyProt, maxProtocol, kSSLProtocol3,
pargs.negVersion);
}
ourRtn += verifyClientCertState(vfyCertState, expectCertState,
pargs.certState);
}
if(doSslV2) {
if(fileBase) {
snprintf(fullFileBase, _maxFileStringSize, "%s_v2", fileBase);
}
if(!pargs.silent) {
printf("Connecting to host %s with SSL V2...", pargs.hostName);
}
fflush(stdout);
pargs.tryVersion = kSSLProtocol2;
pargs.acceptedProts = NULL;
err = sslPing(&pargs);
if(err) {
ourRtn++;
}
if(!pargs.quiet) {
if(fileBase) {
snprintf(fullFileBase, _maxFileStringSize, "%s_v2", fileBase);
}
showSSLResult(&pargs,
err,
displayCerts,
fileBase ? fullFileBase : NULL);
}
CFReleaseNull(pargs.peerCerts);
if(!err) {
ourRtn += verifyProtocol(verifyProt, maxProtocol, kSSLProtocol2,
pargs.negVersion);
}
ourRtn += verifyClientCertState(vfyCertState, expectCertState,
pargs.certState);
}
if(doProtUnknown) {
if(!pargs.silent) {
printf("Connecting to host %s with kSSLProtocolUnknown...",
pargs.hostName);
}
fflush(stdout);
pargs.tryVersion = kSSLProtocolUnknown;
pargs.acceptedProts = NULL;
err = sslPing(&pargs);
if(err) {
ourRtn++;
}
if(!pargs.quiet) {
if(fileBase) {
snprintf(fullFileBase, _maxFileStringSize, "%s_def", fileBase);
}
showSSLResult(&pargs,
err,
displayCerts,
fileBase ? fullFileBase : NULL);
}
CFReleaseNull(pargs.peerCerts);
}
if(acceptedProts != NULL) {
pargs.acceptedProts = acceptedProts;
pargs.tryVersion = kSSLProtocolUnknown; if(!pargs.silent) {
printf("Connecting to host %s with acceptedProts %s...",
pargs.hostName, pargs.acceptedProts);
}
fflush(stdout);
err = sslPing(&pargs);
if(err) {
ourRtn++;
}
if(!pargs.quiet) {
if(fileBase) {
snprintf(fullFileBase, _maxFileStringSize, "%s_def", fileBase);
}
showSSLResult(&pargs,
err,
displayCerts,
fileBase ? fullFileBase : NULL);
}
CFReleaseNull(pargs.peerCerts);
}
if(doPause ||
(pauseFirstLoop &&
((loop == 0) || (loop == loopCount - 1))
)
) {
char resp;
fpurge(stdin);
printf("a to abort, c to continue: ");
resp = (char) getchar();
if(resp == 'a') {
break;
}
}
}
#pragma clang diagnostic pop
if(displayHandshakeTimes) {
CFAbsoluteTime totalTime;
unsigned numHandshakes;
if(pargs.numHandshakes == 1) {
totalTime = pargs.handshakeTimeFirst;
numHandshakes = 1;
}
else {
totalTime = pargs.handshakeTimeTotal;
numHandshakes = pargs.numHandshakes - 1;
}
if(numHandshakes != 0) {
printf(" %u handshakes in %f seconds; %f seconds per handshake\n",
numHandshakes, totalTime,
(totalTime / numHandshakes));
}
}
if(ourRtn) {
printf("===%s exiting with %d %s for host %s\n", argv[0], ourRtn,
(ourRtn > 1) ? "errors" : "error", pargs.hostName);
}
return ourRtn;
}