1 files changed, 134 insertions, 166 deletions

diff --git a/Utilities/cmcurl/lib/vtls/vtls.c b/Utilities/cmcurl/lib/vtls/vtls.c
index 56a8823..b808e1c 100644
--- a/Utilities/cmcurl/lib/vtls/vtls.c
+++ b/Utilities/cmcurl/lib/vtls/vtls.c
@@ -65,6 +65,7 @@
 #include "url.h"
 #include "progress.h"
 #include "share.h"
+#include "multiif.h"
 #include "timeval.h"
 #include "curl_md5.h"
 #include "warnless.h"
@@ -80,94 +81,49 @@
                                  (data->share->specifier &             \
                                   (1<<CURL_LOCK_DATA_SSL_SESSION)))
 
-static bool safe_strequal(char* str1, char* str2)
-{
-  if(str1 && str2)
-    /* both pointers point to something then compare them */
-    return (0 != strcasecompare(str1, str2)) ? TRUE : FALSE;
-  else
-    /* if both pointers are NULL then treat them as equal */
-    return (!str1 && !str2) ? TRUE : FALSE;
-}
+#define CLONE_STRING(var)                    \
+  if(source->var) {                          \
+    dest->var = strdup(source->var);         \
+    if(!dest->var)                           \
+      return FALSE;                          \
+  }                                          \
+  else                                       \
+    dest->var = NULL;
 
 bool
-Curl_ssl_config_matches(struct ssl_config_data* data,
-                        struct ssl_config_data* needle)
+Curl_ssl_config_matches(struct ssl_primary_config* data,
+                        struct ssl_primary_config* needle)
 {
   if((data->version == needle->version) &&
      (data->verifypeer == needle->verifypeer) &&
      (data->verifyhost == needle->verifyhost) &&
-     safe_strequal(data->CApath, needle->CApath) &&
-     safe_strequal(data->CAfile, needle->CAfile) &&
-     safe_strequal(data->clientcert, needle->clientcert) &&
-     safe_strequal(data->cipher_list, needle->cipher_list))
+     Curl_safe_strcasecompare(data->CApath, needle->CApath) &&
+     Curl_safe_strcasecompare(data->CAfile, needle->CAfile) &&
+     Curl_safe_strcasecompare(data->clientcert, needle->clientcert) &&
+     Curl_safe_strcasecompare(data->cipher_list, needle->cipher_list))
     return TRUE;
 
   return FALSE;
 }
 
 bool
-Curl_clone_ssl_config(struct ssl_config_data *source,
-                      struct ssl_config_data *dest)
+Curl_clone_primary_ssl_config(struct ssl_primary_config *source,
+                              struct ssl_primary_config *dest)
 {
-  dest->sessionid = source->sessionid;
   dest->verifyhost = source->verifyhost;
   dest->verifypeer = source->verifypeer;
   dest->version = source->version;
 
-  if(source->CAfile) {
-    dest->CAfile = strdup(source->CAfile);
-    if(!dest->CAfile)
-      return FALSE;
-  }
-  else
-    dest->CAfile = NULL;
-
-  if(source->CApath) {
-    dest->CApath = strdup(source->CApath);
-    if(!dest->CApath)
-      return FALSE;
-  }
-  else
-    dest->CApath = NULL;
-
-  if(source->cipher_list) {
-    dest->cipher_list = strdup(source->cipher_list);
-    if(!dest->cipher_list)
-      return FALSE;
-  }
-  else
-    dest->cipher_list = NULL;
-
-  if(source->egdsocket) {
-    dest->egdsocket = strdup(source->egdsocket);
-    if(!dest->egdsocket)
-      return FALSE;
-  }
-  else
-    dest->egdsocket = NULL;
-
-  if(source->random_file) {
-    dest->random_file = strdup(source->random_file);
-    if(!dest->random_file)
-      return FALSE;
-  }
-  else
-    dest->random_file = NULL;
-
-  if(source->clientcert) {
-    dest->clientcert = strdup(source->clientcert);
-    if(!dest->clientcert)
-      return FALSE;
-    dest->sessionid = FALSE;
-  }
-  else
-    dest->clientcert = NULL;
-
+  CLONE_STRING(CAfile);
+  CLONE_STRING(CApath);
+  CLONE_STRING(cipher_list);
+  CLONE_STRING(egdsocket);
+  CLONE_STRING(random_file);
+  CLONE_STRING(clientcert);
   return TRUE;
 }
 
-void Curl_free_ssl_config(struct ssl_config_data* sslc)
+void Curl_free_primary_ssl_config(struct ssl_primary_config* sslc)
 {
   Curl_safefree(sslc->CAfile);
   Curl_safefree(sslc->CApath);
@@ -177,77 +133,6 @@ void Curl_free_ssl_config(struct ssl_config_data* sslc)
   Curl_safefree(sslc->clientcert);
 }
 
-
-/*
- * Curl_rand() returns a random unsigned integer, 32bit.
- *
- * This non-SSL function is put here only because this file is the only one
- * with knowledge of what the underlying SSL libraries provide in terms of
- * randomizers.
- *
- * NOTE: 'data' may be passed in as NULL when coming from external API without
- * easy handle!
- *
- */
-
-unsigned int Curl_rand(struct Curl_easy *data)
-{
-  unsigned int r = 0;
-  static unsigned int randseed;
-  static bool seeded = FALSE;
-
-#ifdef CURLDEBUG
-  char *force_entropy = getenv("CURL_ENTROPY");
-  if(force_entropy) {
-    if(!seeded) {
-      size_t elen = strlen(force_entropy);
-      size_t clen = sizeof(randseed);
-      size_t min = elen < clen ? elen : clen;
-      memcpy((char *)&randseed, force_entropy, min);
-      seeded = TRUE;
-    }
-    else
-      randseed++;
-    return randseed;
-  }
-#endif
-
-  /* data may be NULL! */
-  if(!Curl_ssl_random(data, (unsigned char *)&r, sizeof(r)))
-    return r;
-
-  /* If Curl_ssl_random() returns non-zero it couldn't offer randomness and we
-     instead perform a "best effort" */
-
-#ifdef RANDOM_FILE
-  if(!seeded) {
-    /* if there's a random file to read a seed from, use it */
-    int fd = open(RANDOM_FILE, O_RDONLY);
-    if(fd > -1) {
-      /* read random data into the randseed variable */
-      ssize_t nread = read(fd, &randseed, sizeof(randseed));
-      if(nread == sizeof(randseed))
-        seeded = TRUE;
-      close(fd);
-    }
-  }
-#endif
-
-  if(!seeded) {
-    struct timeval now = curlx_tvnow();
-    infof(data, "WARNING: Using weak random seed\n");
-    randseed += (unsigned int)now.tv_usec + (unsigned int)now.tv_sec;
-    randseed = randseed * 1103515245 + 12345;
-    randseed = randseed * 1103515245 + 12345;
-    randseed = randseed * 1103515245 + 12345;
-    seeded = TRUE;
-  }
-
-  /* Return an unsigned 32-bit pseudo-random number. */
-  r = randseed = randseed * 1103515245 + 12345;
-  return (r << 16) | ((r >> 16) & 0xFFFF);
-}
-
 int Curl_ssl_backend(void)
 {
   return (int)CURL_SSL_BACKEND;
@@ -288,19 +173,41 @@ void Curl_ssl_cleanup(void)
 static bool ssl_prefs_check(struct Curl_easy *data)
 {
   /* check for CURLOPT_SSLVERSION invalid parameter value */
-  if((data->set.ssl.version < 0)
-     || (data->set.ssl.version >= CURL_SSLVERSION_LAST)) {
+  if((data->set.ssl.primary.version < 0)
+     || (data->set.ssl.primary.version >= CURL_SSLVERSION_LAST)) {
     failf(data, "Unrecognized parameter value passed via CURLOPT_SSLVERSION");
     return FALSE;
   }
   return TRUE;
 }
 
+static CURLcode
+ssl_connect_init_proxy(struct connectdata *conn, int sockindex)
+{
+  DEBUGASSERT(conn->bits.proxy_ssl_connected[sockindex]);
+  if(ssl_connection_complete == conn->ssl[sockindex].state &&
+     !conn->proxy_ssl[sockindex].use) {
+#if defined(HTTPS_PROXY_SUPPORT)
+    conn->proxy_ssl[sockindex] = conn->ssl[sockindex];
+    memset(&conn->ssl[sockindex], 0, sizeof(conn->ssl[sockindex]));
+#else
+    return CURLE_NOT_BUILT_IN;
+#endif
+  }
+  return CURLE_OK;
+}
+
 CURLcode
 Curl_ssl_connect(struct connectdata *conn, int sockindex)
 {
   CURLcode result;
 
+  if(conn->bits.proxy_ssl_connected[sockindex]) {
+    result = ssl_connect_init_proxy(conn, sockindex);
+    if(result)
+      return result;
+  }
+
   if(!ssl_prefs_check(conn->data))
     return CURLE_SSL_CONNECT_ERROR;
 
@@ -321,6 +228,11 @@ Curl_ssl_connect_nonblocking(struct connectdata *conn, int sockindex,
                              bool *done)
 {
   CURLcode result;
+  if(conn->bits.proxy_ssl_connected[sockindex]) {
+    result = ssl_connect_init_proxy(conn, sockindex);
+    if(result)
+      return result;
+  }
 
   if(!ssl_prefs_check(conn->data))
     return CURLE_SSL_CONNECT_ERROR;
@@ -363,7 +275,8 @@ void Curl_ssl_sessionid_unlock(struct connectdata *conn)
  */
 bool Curl_ssl_getsessionid(struct connectdata *conn,
                            void **ssl_sessionid,
-                           size_t *idsize) /* set 0 if unknown */
+                           size_t *idsize, /* set 0 if unknown */
+                           int sockindex)
 {
   struct curl_ssl_session *check;
   struct Curl_easy *data = conn->data;
@@ -371,11 +284,18 @@ bool Curl_ssl_getsessionid(struct connectdata *conn,
   long *general_age;
   bool no_match = TRUE;
 
+  const bool isProxy = CONNECT_PROXY_SSL();
+  struct ssl_primary_config * const ssl_config = isProxy ?
+                                                 &conn->proxy_ssl_config :
+                                                 &conn->ssl_config;
+  const char * const name = isProxy ? conn->http_proxy.host.name :
+                                      conn->host.name;
+  int port = isProxy ? (int)conn->port : conn->remote_port;
   *ssl_sessionid = NULL;
 
-  DEBUGASSERT(conn->ssl_config.sessionid);
+  DEBUGASSERT(data->set.general_ssl.sessionid);
 
-  if(!conn->ssl_config.sessionid)
+  if(!data->set.general_ssl.sessionid)
     /* session ID re-use is disabled */
     return TRUE;
 
@@ -385,21 +305,21 @@ bool Curl_ssl_getsessionid(struct connectdata *conn,
   else
     general_age = &data->state.sessionage;
 
-  for(i = 0; i < data->set.ssl.max_ssl_sessions; i++) {
+  for(i = 0; i < data->set.general_ssl.max_ssl_sessions; i++) {
     check = &data->state.session[i];
     if(!check->sessionid)
       /* not session ID means blank entry */
       continue;
-    if(strcasecompare(conn->host.name, check->name) &&
+    if(strcasecompare(name, check->name) &&
        ((!conn->bits.conn_to_host && !check->conn_to_host) ||
         (conn->bits.conn_to_host && check->conn_to_host &&
          strcasecompare(conn->conn_to_host.name, check->conn_to_host))) &&
        ((!conn->bits.conn_to_port && check->conn_to_port == -1) ||
         (conn->bits.conn_to_port && check->conn_to_port != -1 &&
          conn->conn_to_port == check->conn_to_port)) &&
-       (conn->remote_port == check->remote_port) &&
+       (port == check->remote_port) &&
        strcasecompare(conn->handler->scheme, check->scheme) &&
-       Curl_ssl_config_matches(&conn->ssl_config, &check->ssl_config)) {
+       Curl_ssl_config_matches(ssl_config, &check->ssl_config)) {
       /* yes, we have a session ID! */
       (*general_age)++;          /* increase general age */
       check->age = *general_age; /* set this as used in this age */
@@ -428,7 +348,7 @@ void Curl_ssl_kill_session(struct curl_ssl_session *session)
     session->sessionid = NULL;
     session->age = 0; /* fresh */
 
-    Curl_free_ssl_config(&session->ssl_config);
+    Curl_free_primary_ssl_config(&session->ssl_config);
 
     Curl_safefree(session->name);
     Curl_safefree(session->conn_to_host);
@@ -443,7 +363,7 @@ void Curl_ssl_delsessionid(struct connectdata *conn, void *ssl_sessionid)
   size_t i;
   struct Curl_easy *data=conn->data;
 
-  for(i = 0; i < data->set.ssl.max_ssl_sessions; i++) {
+  for(i = 0; i < data->set.general_ssl.max_ssl_sessions; i++) {
     struct curl_ssl_session *check = &data->state.session[i];
 
     if(check->sessionid == ssl_sessionid) {
@@ -461,7 +381,8 @@ void Curl_ssl_delsessionid(struct connectdata *conn, void *ssl_sessionid)
  */
 CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
                                void *ssl_sessionid,
-                               size_t idsize)
+                               size_t idsize,
+                               int sockindex)
 {
   size_t i;
   struct Curl_easy *data=conn->data; /* the mother of all structs */
@@ -471,10 +392,14 @@ CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
   char *clone_conn_to_host;
   int conn_to_port;
   long *general_age;
+  const bool isProxy = CONNECT_PROXY_SSL();
+  struct ssl_primary_config * const ssl_config = isProxy ?
+                                           &conn->proxy_ssl_config :
+                                           &conn->ssl_config;
 
-  DEBUGASSERT(conn->ssl_config.sessionid);
+  DEBUGASSERT(data->set.general_ssl.sessionid);
 
-  clone_host = strdup(conn->host.name);
+  clone_host = strdup(isProxy ? conn->http_proxy.host.name : conn->host.name);
   if(!clone_host)
     return CURLE_OUT_OF_MEMORY; /* bail out */
 
@@ -505,14 +430,14 @@ CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
   }
 
   /* find an empty slot for us, or find the oldest */
-  for(i = 1; (i < data->set.ssl.max_ssl_sessions) &&
+  for(i = 1; (i < data->set.general_ssl.max_ssl_sessions) &&
         data->state.session[i].sessionid; i++) {
     if(data->state.session[i].age < oldest_age) {
       oldest_age = data->state.session[i].age;
       store = &data->state.session[i];
     }
   }
-  if(i == data->set.ssl.max_ssl_sessions)
+  if(i == data->set.general_ssl.max_ssl_sessions)
     /* cache is full, we must "kill" the oldest entry! */
     Curl_ssl_kill_session(store);
   else
@@ -528,10 +453,11 @@ CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
   store->name = clone_host;               /* clone host name */
   store->conn_to_host = clone_conn_to_host; /* clone connect to host name */
   store->conn_to_port = conn_to_port; /* connect to port number */
-  store->remote_port = conn->remote_port; /* port number */
+  /* port number */
+  store->remote_port = isProxy ? (int)conn->port : conn->remote_port;
   store->scheme = conn->handler->scheme;
 
-  if(!Curl_clone_ssl_config(&conn->ssl_config, &store->ssl_config)) {
+  if(!Curl_clone_primary_ssl_config(ssl_config, &store->ssl_config)) {
     store->sessionid = NULL; /* let caller free sessionid */
     free(clone_host);
     free(clone_conn_to_host);
@@ -547,7 +473,7 @@ void Curl_ssl_close_all(struct Curl_easy *data)
   size_t i;
   /* kill the session ID cache if not shared */
   if(data->state.session && !SSLSESSION_SHARED(data)) {
-    for(i = 0; i < data->set.ssl.max_ssl_sessions; i++)
+    for(i = 0; i < data->set.general_ssl.max_ssl_sessions; i++)
       /* the single-killer function handles empty table slots */
       Curl_ssl_kill_session(&data->state.session[i]);
 
@@ -558,6 +484,43 @@ void Curl_ssl_close_all(struct Curl_easy *data)
   curlssl_close_all(data);
 }
 
+#if defined(USE_SSLEAY) || defined(USE_GNUTLS) || defined(USE_SCHANNEL) || \
+    defined(USE_DARWINSSL) || defined(USE_NSS)
+/* This function is for OpenSSL, GnuTLS, darwinssl, and schannel only. */
+int Curl_ssl_getsock(struct connectdata *conn, curl_socket_t *socks,
+                     int numsocks)
+{
+  struct ssl_connect_data *connssl = &conn->ssl[FIRSTSOCKET];
+
+  if(!numsocks)
+    return GETSOCK_BLANK;
+
+  if(connssl->connecting_state == ssl_connect_2_writing) {
+    /* write mode */
+    socks[0] = conn->sock[FIRSTSOCKET];
+    return GETSOCK_WRITESOCK(0);
+  }
+  else if(connssl->connecting_state == ssl_connect_2_reading) {
+    /* read mode */
+    socks[0] = conn->sock[FIRSTSOCKET];
+    return GETSOCK_READSOCK(0);
+  }
+
+  return GETSOCK_BLANK;
+}
+#else
+int Curl_ssl_getsock(struct connectdata *conn,
+                          curl_socket_t *socks,
+                          int numsocks)
+{
+  (void)conn;
+  (void)socks;
+  (void)numsocks;
+  return GETSOCK_BLANK;
+}
+/* USE_SSLEAY || USE_GNUTLS || USE_SCHANNEL || USE_DARWINSSL || USE_NSS */
+#endif
+
 void Curl_ssl_close(struct connectdata *conn, int sockindex)
 {
   DEBUGASSERT((sockindex <= 1) && (sockindex >= -1));
@@ -615,7 +578,7 @@ CURLcode Curl_ssl_initsessions(struct Curl_easy *data, size_t amount)
     return CURLE_OUT_OF_MEMORY;
 
   /* store the info in the SSL section */
-  data->set.ssl.max_ssl_sessions = amount;
+  data->set.general_ssl.max_ssl_sessions = amount;
   data->state.session = session;
   data->state.sessionage = 1; /* this is brand new */
   return CURLE_OK;
@@ -691,9 +654,9 @@ CURLcode Curl_ssl_push_certinfo_len(struct Curl_easy *data,
                                     const char *value,
                                     size_t valuelen)
 {
-  struct curl_certinfo * ci = &data->info.certs;
-  char * output;
-  struct curl_slist * nl;
+  struct curl_certinfo *ci = &data->info.certs;
+  char *output;
+  struct curl_slist *nl;
   CURLcode result = CURLE_OK;
   size_t labellen = strlen(label);
   size_t outlen = labellen + 1 + valuelen + 1; /* label:value\0 */
@@ -736,11 +699,16 @@ CURLcode Curl_ssl_push_certinfo(struct Curl_easy *data,
   return Curl_ssl_push_certinfo_len(data, certnum, label, value, valuelen);
 }
 
-int Curl_ssl_random(struct Curl_easy *data,
-                     unsigned char *entropy,
-                     size_t length)
+CURLcode Curl_ssl_random(struct Curl_easy *data,
+                         unsigned char *entropy,
+                         size_t length)
 {
-  return curlssl_random(data, entropy, length);
+  int rc = curlssl_random(data, entropy, length);
+  if(rc) {
+    failf(data, "PRNG seeding failed");
+    return CURLE_FAILED_INIT; /* possibly weird return code */
+  }
+  return CURLE_OK;
 }
 
 /*