vtls: renamed sslgen.[ch] to vtls.[ch]

1 files changed, 0 insertions, 689 deletions

diff --git a/lib/vtls/sslgen.c b/lib/vtls/sslgen.c
deleted file mode 100644
index 74b1a4f05..000000000
--- a/lib/vtls/sslgen.c
+++ /dev/null
@@ -1,689 +0,0 @@
-/***************************************************************************
- *                                  _   _ ____  _
- *  Project                     ___| | | |  _ \| |
- *                             / __| | | | |_) | |
- *                            | (__| |_| |  _ <| |___
- *                             \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
-
-/* This file is for implementing all "generic" SSL functions that all libcurl
-   internals should use. It is then responsible for calling the proper
-   "backend" function.
-
-   SSL-functions in libcurl should call functions in this source file, and not
-   to any specific SSL-layer.
-
-   Curl_ssl_ - prefix for generic ones
-   Curl_ossl_ - prefix for OpenSSL ones
-   Curl_gtls_ - prefix for GnuTLS ones
-   Curl_nss_ - prefix for NSS ones
-   Curl_qssl_ - prefix for QsoSSL ones
-   Curl_gskit_ - prefix for GSKit ones
-   Curl_polarssl_ - prefix for PolarSSL ones
-   Curl_cyassl_ - prefix for CyaSSL ones
-   Curl_schannel_ - prefix for Schannel SSPI ones
-   Curl_darwinssl_ - prefix for SecureTransport (Darwin) ones
-
-   Note that this source code uses curlssl_* functions, and they are all
-   defines/macros #defined by the lib-specific header files.
-
-   "SSL/TLS Strong Encryption: An Introduction"
-   http://httpd.apache.org/docs-2.0/ssl/ssl_intro.html
-*/
-
-#include "curl_setup.h"
-
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-
-#include "urldata.h"
-#define SSLGEN_C
-#include "sslgen.h" /* generic SSL protos etc */
-#include "openssl.h" /* OpenSSL versions */
-#include "gtls.h"   /* GnuTLS versions */
-#include "nssg.h"   /* NSS versions */
-#include "qssl.h"   /* QSOSSL versions */
-#include "gskit.h"  /* Global Secure ToolKit versions */
-#include "polarssl.h" /* PolarSSL versions */
-#include "axtls.h"  /* axTLS versions */
-#include "cyassl.h"  /* CyaSSL versions */
-#include "curl_schannel.h" /* Schannel SSPI version */
-#include "curl_darwinssl.h" /* SecureTransport (Darwin) version */
-#include "slist.h"
-#include "sendf.h"
-#include "rawstr.h"
-#include "url.h"
-#include "curl_memory.h"
-#include "progress.h"
-#include "share.h"
-#include "timeval.h"
-
-#define _MPRINTF_REPLACE /* use our functions only */
-#include <curl/mprintf.h>
-
-/* The last #include file should be: */
-#include "memdebug.h"
-
-/* convenience macro to check if this handle is using a shared SSL session */
-#define SSLSESSION_SHARED(data) (data->share &&                        \
-                                 (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 != Curl_raw_equal(str1, str2)) ? TRUE : FALSE;
-  else
-    /* if both pointers are NULL then treat them as equal */
-    return (!str1 && !str2) ? TRUE : FALSE;
-}
-
-bool
-Curl_ssl_config_matches(struct ssl_config_data* data,
-                        struct ssl_config_data* 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->random_file, needle->random_file) &&
-     safe_strequal(data->egdsocket, needle->egdsocket) &&
-     safe_strequal(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)
-{
-  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;
-
-  return TRUE;
-}
-
-void Curl_free_ssl_config(struct ssl_config_data* sslc)
-{
-  Curl_safefree(sslc->CAfile);
-  Curl_safefree(sslc->CApath);
-  Curl_safefree(sslc->cipher_list);
-  Curl_safefree(sslc->egdsocket);
-  Curl_safefree(sslc->random_file);
-}
-
-
-/*
- * 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 SessionHandle *data)
-{
-  unsigned int r;
-  static unsigned int randseed;
-  static bool seeded = FALSE;
-
-#ifndef have_curlssl_random
-  (void)data;
-#else
-  if(data) {
-    Curl_ssl_random(data, (unsigned char *)&r, sizeof(r));
-    return r;
-  }
-#endif
-
-#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();
-    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);
-}
-
-#ifdef USE_SSL
-
-/* "global" init done? */
-static bool init_ssl=FALSE;
-
-/**
- * Global SSL init
- *
- * @retval 0 error initializing SSL
- * @retval 1 SSL initialized successfully
- */
-int Curl_ssl_init(void)
-{
-  /* make sure this is only done once */
-  if(init_ssl)
-    return 1;
-  init_ssl = TRUE; /* never again */
-
-  return curlssl_init();
-}
-
-
-/* Global cleanup */
-void Curl_ssl_cleanup(void)
-{
-  if(init_ssl) {
-    /* only cleanup if we did a previous init */
-    curlssl_cleanup();
-    init_ssl = FALSE;
-  }
-}
-
-CURLcode
-Curl_ssl_connect(struct connectdata *conn, int sockindex)
-{
-  CURLcode res;
-  /* mark this is being ssl-enabled from here on. */
-  conn->ssl[sockindex].use = TRUE;
-  conn->ssl[sockindex].state = ssl_connection_negotiating;
-
-  res = curlssl_connect(conn, sockindex);
-
-  if(!res)
-    Curl_pgrsTime(conn->data, TIMER_APPCONNECT); /* SSL is connected */
-
-  return res;
-}
-
-CURLcode
-Curl_ssl_connect_nonblocking(struct connectdata *conn, int sockindex,
-                             bool *done)
-{
-  CURLcode res;
-  /* mark this is being ssl requested from here on. */
-  conn->ssl[sockindex].use = TRUE;
-#ifdef curlssl_connect_nonblocking
-  res = curlssl_connect_nonblocking(conn, sockindex, done);
-#else
-  *done = TRUE; /* fallback to BLOCKING */
-  res = curlssl_connect(conn, sockindex);
-#endif /* non-blocking connect support */
-  if(!res && *done)
-    Curl_pgrsTime(conn->data, TIMER_APPCONNECT); /* SSL is connected */
-  return res;
-}
-
-/*
- * Check if there's a session ID for the given connection in the cache, and if
- * there's one suitable, it is provided. Returns TRUE when no entry matched.
- */
-int Curl_ssl_getsessionid(struct connectdata *conn,
-                          void **ssl_sessionid,
-                          size_t *idsize) /* set 0 if unknown */
-{
-  struct curl_ssl_session *check;
-  struct SessionHandle *data = conn->data;
-  size_t i;
-  long *general_age;
-  bool no_match = TRUE;
-
-  *ssl_sessionid = NULL;
-
-  if(!conn->ssl_config.sessionid)
-    /* session ID re-use is disabled */
-    return TRUE;
-
-  /* Lock if shared */
-  if(SSLSESSION_SHARED(data)) {
-    Curl_share_lock(data, CURL_LOCK_DATA_SSL_SESSION, CURL_LOCK_ACCESS_SINGLE);
-    general_age = &data->share->sessionage;
-  }
-  else
-    general_age = &data->state.sessionage;
-
-  for(i = 0; i < data->set.ssl.max_ssl_sessions; i++) {
-    check = &data->state.session[i];
-    if(!check->sessionid)
-      /* not session ID means blank entry */
-      continue;
-    if(Curl_raw_equal(conn->host.name, check->name) &&
-       (conn->remote_port == check->remote_port) &&
-       Curl_ssl_config_matches(&conn->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 */
-      *ssl_sessionid = check->sessionid;
-      if(idsize)
-        *idsize = check->idsize;
-      no_match = FALSE;
-      break;
-    }
-  }
-
-  /* Unlock */
-  if(SSLSESSION_SHARED(data))
-    Curl_share_unlock(data, CURL_LOCK_DATA_SSL_SESSION);
-
-  return no_match;
-}
-
-/*
- * Kill a single session ID entry in the cache.
- */
-void Curl_ssl_kill_session(struct curl_ssl_session *session)
-{
-  if(session->sessionid) {
-    /* defensive check */
-
-    /* free the ID the SSL-layer specific way */
-    curlssl_session_free(session->sessionid);
-
-    session->sessionid = NULL;
-    session->age = 0; /* fresh */
-
-    Curl_free_ssl_config(&session->ssl_config);
-
-    Curl_safefree(session->name);
-  }
-}
-
-/*
- * Delete the given session ID from the cache.
- */
-void Curl_ssl_delsessionid(struct connectdata *conn, void *ssl_sessionid)
-{
-  size_t i;
-  struct SessionHandle *data=conn->data;
-
-  if(SSLSESSION_SHARED(data))
-    Curl_share_lock(data, CURL_LOCK_DATA_SSL_SESSION, CURL_LOCK_ACCESS_SINGLE);
-
-  for(i = 0; i < data->set.ssl.max_ssl_sessions; i++) {
-    struct curl_ssl_session *check = &data->state.session[i];
-
-    if(check->sessionid == ssl_sessionid) {
-      Curl_ssl_kill_session(check);
-      break;
-    }
-  }
-
-  if(SSLSESSION_SHARED(data))
-    Curl_share_unlock(data, CURL_LOCK_DATA_SSL_SESSION);
-}
-
-/*
- * Store session id in the session cache. The ID passed on to this function
- * must already have been extracted and allocated the proper way for the SSL
- * layer. Curl_XXXX_session_free() will be called to free/kill the session ID
- * later on.
- */
-CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
-                               void *ssl_sessionid,
-                               size_t idsize)
-{
-  size_t i;
-  struct SessionHandle *data=conn->data; /* the mother of all structs */
-  struct curl_ssl_session *store = &data->state.session[0];
-  long oldest_age=data->state.session[0].age; /* zero if unused */
-  char *clone_host;
-  long *general_age;
-
-  /* Even though session ID re-use might be disabled, that only disables USING
-     IT. We still store it here in case the re-using is again enabled for an
-     upcoming transfer */
-
-  clone_host = strdup(conn->host.name);
-  if(!clone_host)
-    return CURLE_OUT_OF_MEMORY; /* bail out */
-
-  /* Now we should add the session ID and the host name to the cache, (remove
-     the oldest if necessary) */
-
-  /* If using shared SSL session, lock! */
-  if(SSLSESSION_SHARED(data)) {
-    Curl_share_lock(data, CURL_LOCK_DATA_SSL_SESSION, CURL_LOCK_ACCESS_SINGLE);
-    general_age = &data->share->sessionage;
-  }
-  else {
-    general_age = &data->state.sessionage;
-  }
-
-  /* find an empty slot for us, or find the oldest */
-  for(i = 1; (i < data->set.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)
-    /* cache is full, we must "kill" the oldest entry! */
-    Curl_ssl_kill_session(store);
-  else
-    store = &data->state.session[i]; /* use this slot */
-
-  /* now init the session struct wisely */
-  store->sessionid = ssl_sessionid;
-  store->idsize = idsize;
-  store->age = *general_age;    /* set current age */
-  if(store->name)
-    /* free it if there's one already present */
-    free(store->name);
-  store->name = clone_host;               /* clone host name */
-  store->remote_port = conn->remote_port; /* port number */
-
-
-  /* Unlock */
-  if(SSLSESSION_SHARED(data))
-    Curl_share_unlock(data, CURL_LOCK_DATA_SSL_SESSION);
-
-  if(!Curl_clone_ssl_config(&conn->ssl_config, &store->ssl_config)) {
-    store->sessionid = NULL; /* let caller free sessionid */
-    free(clone_host);
-    return CURLE_OUT_OF_MEMORY;
-  }
-
-  return CURLE_OK;
-}
-
-
-void Curl_ssl_close_all(struct SessionHandle *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++)
-      /* the single-killer function handles empty table slots */
-      Curl_ssl_kill_session(&data->state.session[i]);
-
-    /* free the cache data */
-    Curl_safefree(data->state.session);
-  }
-
-  curlssl_close_all(data);
-}
-
-void Curl_ssl_close(struct connectdata *conn, int sockindex)
-{
-  DEBUGASSERT((sockindex <= 1) && (sockindex >= -1));
-  curlssl_close(conn, sockindex);
-}
-
-CURLcode Curl_ssl_shutdown(struct connectdata *conn, int sockindex)
-{
-  if(curlssl_shutdown(conn, sockindex))
-    return CURLE_SSL_SHUTDOWN_FAILED;
-
-  conn->ssl[sockindex].use = FALSE; /* get back to ordinary socket usage */
-  conn->ssl[sockindex].state = ssl_connection_none;
-
-  conn->recv[sockindex] = Curl_recv_plain;
-  conn->send[sockindex] = Curl_send_plain;
-
-  return CURLE_OK;
-}
-
-/* Selects an SSL crypto engine
- */
-CURLcode Curl_ssl_set_engine(struct SessionHandle *data, const char *engine)
-{
-  return curlssl_set_engine(data, engine);
-}
-
-/* Selects the default SSL crypto engine
- */
-CURLcode Curl_ssl_set_engine_default(struct SessionHandle *data)
-{
-  return curlssl_set_engine_default(data);
-}
-
-/* Return list of OpenSSL crypto engine names. */
-struct curl_slist *Curl_ssl_engines_list(struct SessionHandle *data)
-{
-  return curlssl_engines_list(data);
-}
-
-/*
- * This sets up a session ID cache to the specified size. Make sure this code
- * is agnostic to what underlying SSL technology we use.
- */
-CURLcode Curl_ssl_initsessions(struct SessionHandle *data, size_t amount)
-{
-  struct curl_ssl_session *session;
-
-  if(data->state.session)
-    /* this is just a precaution to prevent multiple inits */
-    return CURLE_OK;
-
-  session = calloc(amount, sizeof(struct curl_ssl_session));
-  if(!session)
-    return CURLE_OUT_OF_MEMORY;
-
-  /* store the info in the SSL section */
-  data->set.ssl.max_ssl_sessions = amount;
-  data->state.session = session;
-  data->state.sessionage = 1; /* this is brand new */
-  return CURLE_OK;
-}
-
-size_t Curl_ssl_version(char *buffer, size_t size)
-{
-  return curlssl_version(buffer, size);
-}
-
-/*
- * This function tries to determine connection status.
- *
- * Return codes:
- *     1 means the connection is still in place
- *     0 means the connection has been closed
- *    -1 means the connection status is unknown
- */
-int Curl_ssl_check_cxn(struct connectdata *conn)
-{
-  return curlssl_check_cxn(conn);
-}
-
-bool Curl_ssl_data_pending(const struct connectdata *conn,
-                           int connindex)
-{
-  return curlssl_data_pending(conn, connindex);
-}
-
-void Curl_ssl_free_certinfo(struct SessionHandle *data)
-{
-  int i;
-  struct curl_certinfo *ci = &data->info.certs;
-  if(ci->num_of_certs) {
-    /* free all individual lists used */
-    for(i=0; i<ci->num_of_certs; i++) {
-      curl_slist_free_all(ci->certinfo[i]);
-      ci->certinfo[i] = NULL;
-    }
-    free(ci->certinfo); /* free the actual array too */
-    ci->certinfo = NULL;
-    ci->num_of_certs = 0;
-  }
-}
-
-int Curl_ssl_init_certinfo(struct SessionHandle * data,
-                           int num)
-{
-  struct curl_certinfo * ci = &data->info.certs;
-  struct curl_slist * * table;
-
-  /* Initialize the certificate information structures. Return 0 if OK, else 1.
-   */
-  Curl_ssl_free_certinfo(data);
-  ci->num_of_certs = num;
-  table = calloc((size_t) num, sizeof(struct curl_slist *));
-  if(!table)
-    return 1;
-
-  ci->certinfo = table;
-  return 0;
-}
-
-/*
- * 'value' is NOT a zero terminated string
- */
-CURLcode Curl_ssl_push_certinfo_len(struct SessionHandle *data,
-                                    int certnum,
-                                    const char *label,
-                                    const char *value,
-                                    size_t valuelen)
-{
-  struct curl_certinfo * ci = &data->info.certs;
-  char * output;
-  struct curl_slist * nl;
-  CURLcode res = CURLE_OK;
-  size_t labellen = strlen(label);
-  size_t outlen = labellen + 1 + valuelen + 1; /* label:value\0 */
-
-  output = malloc(outlen);
-  if(!output)
-    return CURLE_OUT_OF_MEMORY;
-
-  /* sprintf the label and colon */
-  snprintf(output, outlen, "%s:", label);
-
-  /* memcpy the value (it might not be zero terminated) */
-  memcpy(&output[labellen+1], value, valuelen);
-
-  /* zero terminate the output */
-  output[labellen + 1 + valuelen] = 0;
-
-  nl = Curl_slist_append_nodup(ci->certinfo[certnum], output);
-  if(!nl) {
-    free(output);
-    curl_slist_free_all(ci->certinfo[certnum]);
-    res = CURLE_OUT_OF_MEMORY;
-  }
-
-  ci->certinfo[certnum] = nl;
-  return res;
-}
-
-/*
- * This is a convenience function for push_certinfo_len that takes a zero
- * terminated value.
- */
-CURLcode Curl_ssl_push_certinfo(struct SessionHandle *data,
-                                int certnum,
-                                const char *label,
-                                const char *value)
-{
-  size_t valuelen = strlen(value);
-
-  return Curl_ssl_push_certinfo_len(data, certnum, label, value, valuelen);
-}
-
-/* these functions are only provided by some SSL backends */
-
-#ifdef have_curlssl_random
-void Curl_ssl_random(struct SessionHandle *data,
-                     unsigned char *entropy,
-                     size_t length)
-{
-  curlssl_random(data, entropy, length);
-}
-#endif
-
-#ifdef have_curlssl_md5sum
-void Curl_ssl_md5sum(unsigned char *tmp, /* input */
-                     size_t tmplen,
-                     unsigned char *md5sum, /* output */
-                     size_t md5len)
-{
-  curlssl_md5sum(tmp, tmplen, md5sum, md5len);
-}
-#endif
-
-#endif /* USE_SSL */