[svn] Committed C. Frankel's SSL patch.

AUTHORS

@@ -17,3 +17,5 @@ authentication.
 
 Dan Harkless.  Added --backup-converted, --follow-tags, --html-extension,
 --ignore-tags, and --page-requisites; improved documentation; etc.
+
+Christian Fraenkel.  Implemented SSL support.

ChangeLog

@@ -1,3 +1,14 @@
+2000-12-05  Hrvoje Niksic  <hniksic@arsdigita.com>
+
+	* configure.in: Don't unconditionally define HAVE_SSL, even when
+	--with-ssl is given.
+
+2000-12-03  Christian Fraenkel <christian.fraenkel@gmx.net>
+
+        * INSTALL: Added the --with-ssl switch
+	* configure.in: ditto
+	* TODO: Removed the corresponding entry
+
 2000-11-23  Hrvoje Niksic  <hniksic@arsdigita.com>
 
 	* configure.in: Build ALL_LINGUAS dynamically.

INSTALL

@@ -29,6 +29,7 @@ scripts take.  The most important ones are:
 
 --enable and --with options recognized (mostly Wget-specific):
   --with-socks            use the socks library
+  --with-ssl              use the openssl library
   --disable-opie          disable support for opie or s/key FTP login
   --disable-digest        disable support for HTTP digest authorization
   --disable-debug         disable support for debugging output

TODO

@@ -110,5 +110,3 @@ changes.
 * Implement HTTP cookies.
 
 * Implement more HTTP/1.1 bells and whistles (ETag, Content-MD5 etc.)
-
-* Support SSL encryption through SSLeay or OpenSSL.

configure.in

@@ -45,6 +45,9 @@ AC_ARG_WITH(socks,
 [  --with-socks            use the socks library],
 [AC_DEFINE(HAVE_SOCKS)])
 
+AC_ARG_WITH(ssl,
+[  --with-ssl              use the openssl library])
+
 AC_ARG_ENABLE(opie,
 [  --disable-opie          disable support for opie or s/key FTP login],
 USE_OPIE=$enableval, USE_OPIE=yes)
@@ -183,6 +186,20 @@ then
   AC_CHECK_LIB(socks, Rconnect)
 fi
 
+dnl check for ssl libraries
+if test "x${with_ssl}" = xyes
+then
+  ssl_lose=no
+  AC_CHECK_LIB(ssl,SSL_new,,ssl_lose=yes,-lcrypto)
+  AC_CHECK_LIB(crypto,main,,ssl_lose=yes)
+  if test "$ssl_lose" = no
+  then
+    AC_DEFINE(HAVE_SSL)
+    SSL_OBJ='gen_sslfunc$o'
+    AC_SUBST(SSL_OBJ)
+  fi
+fi
+
 dnl
 dnl Set of available languages.
 dnl

src/ChangeLog

@@ -1,3 +1,20 @@
+2000-12-03  Christian Fraenkel <christian.fraenkel@gmx.net>
+
+	* Makefile.in: added gen_sslfunc object
+	* config.h.in: added HAVE_SSL define
+	* connect.c: changed select_fd from static int to int
+	* connect.h: ditto
+	* gen_sslfunc.h: New file
+	* gen_sslfunc.c: ditto
+	* http.c: added HTTPS fuctionality
+	* retrc.c: ditto
+	* url.c: ditto
+	* init.c: added opt.httpsproxy
+	* options.h: ditto
+	* rbuf.h: added alternate rbuf struct
+	* wget.h: added CONSSLERR
+	* rbuf.c: ditto
+
 2000-11-30  Jan Prikryl  <prikryl@cg.tuwien.ac.at>
 
         * ftp-ls.c (ftp_parse_unix_ls): Added second parameter

src/Makefile.in

@@ -55,12 +55,13 @@ ETAGS = etags
 ALLOCA = @ALLOCA@
 MD5_OBJ = @MD5_OBJ@
 OPIE_OBJ = @OPIE_OBJ@
+SSL_OBJ = @SSL_OBJ@
 
 OBJ = $(ALLOCA) cmpt$o connect$o fnmatch$o ftp$o ftp-basic$o  \
       ftp-ls$o $(OPIE_OBJ) ftpparse$o getopt$o hash$o         \
       headers$o host$o html-parse$o html-url$o http$o init$o  \
       log$o main$o $(MD5_OBJ) netrc$o rbuf$o recur$o retr$o   \
-      snprintf$o url$o utils$o version$o
+      snprintf$o $(SSL_OBJ) url$o utils$o version$o
 
 .SUFFIXES:
 .SUFFIXES: .c .o ._c ._o

src/config.h.in

@@ -218,4 +218,7 @@ char *alloca ();
 # define _SVID_SOURCE
 #endif
 
+/* Define if all libs needed for ssl support are existing */
+#undef HAVE_SSL
+
 #endif /* CONFIG_H */

src/connect.c

@@ -201,7 +201,7 @@ bindport (unsigned short *port)
 
    Returns 1 if FD is accessible, 0 for timeout and -1 for error in
    select().  */
-static int
+int
 select_fd (int fd, int maxtime, int writep)
 {
   fd_set fds, exceptfds;

src/http.c

@@ -44,6 +44,10 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 # endif
 #endif
 
+#ifdef HAVE_SSL
+#include "gen_sslfunc.h"
+#endif /* HAVE_SSL */
+
 #ifdef WINDOWS
 # include <winsock.h>
 #endif
@@ -269,7 +273,6 @@ http_process_connection (const char *hdr, void *arg)
 
 /* Whether a persistent connection is active. */
 static int pc_active_p;
-
 /* Host and port of currently active persistent connection. */
 static unsigned char pc_last_host[4];
 static unsigned short pc_last_port;
@@ -277,6 +280,13 @@ static unsigned short pc_last_port;
 /* File descriptor of the currently active persistent connection. */
 static int pc_last_fd;
 
+#ifdef HAVE_SSL
+/* Whether a ssl handshake has occoured on this connection */
+static int pc_active_ssl;
+/* SSL connection of the currently active persistent connection. */
+static SSL *pc_last_ssl;
+#endif /* HAVE_SSL */
+
 /* Mark the persistent connection as invalid.  This is used by the
    CLOSE_* macros after they forcefully close a registered persistent
    connection.  This does not close the file descriptor -- it is left
@@ -286,6 +296,9 @@ static void
 invalidate_persistent (void)
 {
   pc_active_p = 0;
+#ifdef HAVE_SSL
+  pc_active_ssl = 0;
+#endif /* HAVE_SSL */
   DEBUGP (("Invalidating fd %d from further reuse.\n", pc_last_fd));
 }
 
@@ -298,7 +311,11 @@ invalidate_persistent (void)
    If a previous connection was persistent, it is closed. */
 
 static void
+#ifndef HAVE_SSL
 register_persistent (const char *host, unsigned short port, int fd)
+#else
+register_persistent (const char *host, unsigned short port, int fd, SSL* ssl)
+#endif /* HAVE_SSL */
 {
   int success;
 
@@ -317,6 +334,10 @@ register_persistent (const char *host, unsigned short port, int fd)
 	     persistent connection exists, but we then connect to a
 	     different host, and try to register a persistent
 	     connection to that one.  */
+#ifdef HAVE_SSL
+     /* the ssl disconnect has to take place before the closing of pc_last_fd */
+	  if (pc_last_ssl) shutdown_ssl(pc_last_ssl);
+#endif /* HAVE_SSL */
 	  CLOSE (pc_last_fd);
 	  invalidate_persistent ();
 	}
@@ -329,6 +350,10 @@ register_persistent (const char *host, unsigned short port, int fd)
   pc_last_port = port;
   pc_last_fd = fd;
   pc_active_p = 1;
+#ifdef HAVE_SSL
+  pc_last_ssl=ssl;
+  pc_active_ssl= ssl ? 1 : 0;
+#endif /* HAVE_SSL */
   DEBUGP (("Registered fd %d for persistent reuse.\n", fd));
 }
 
@@ -336,7 +361,11 @@ register_persistent (const char *host, unsigned short port, int fd)
    connecting to HOST:PORT.  */
 
 static int
+#ifndef HAVE_SSL
 persistent_available_p (const char *host, unsigned short port)
+#else
+persistent_available_p (const char *host, unsigned short port,int ssl)
+#endif /* HAVE_SSL */
 {
   unsigned char this_host[4];
   /* First, check whether a persistent connection is active at all.  */
@@ -365,6 +394,15 @@ persistent_available_p (const char *host, unsigned short port)
       invalidate_persistent ();
       return 0;
     }
+#ifdef HAVE_SSL
+  /* Fourth: check if current connection is (not) ssl, too.
+     This test is unlikely to fail because HTTP and HTTPS
+	  typicaly use different ports. Yet it is possible (or so
+	  I have been told) to run HTTPS and HTTP simultaneus on
+	  the same port. */
+  if (ssl!=pc_active_ssl)
+    return 0;
+#endif /* HAVE_SSL */
   return 1;
 }
 
@@ -383,6 +421,7 @@ persistent_available_p (const char *host, unsigned short port)
    `pc_active_p && (fd) == pc_last_fd' is "we're *now* using an
    active, registered connection".  */
 
+#ifndef HAVE_SSL
 #define CLOSE_FINISH(fd) do {			\
   if (!keep_alive)				\
     {						\
@@ -398,6 +437,25 @@ persistent_available_p (const char *host, unsigned short port)
     invalidate_persistent ();			\
 } while (0)
 
+#else 
+
+#define CLOSE_FINISH(fd,ssl) do {			\
+  if (!keep_alive)				\
+    {						\
+      if (ssl) shutdown_ssl(ssl);	\
+		CLOSE (fd);				\
+      if (pc_active_p && (fd) == pc_last_fd)	\
+	invalidate_persistent ();		\
+    }						\
+} while (0)
+
+#define CLOSE_INVALIDATE(fd,ssl) do {		\
+  if (ssl) shutdown_ssl(ssl);	\
+  CLOSE (fd);					\
+  if (pc_active_p && (fd) == pc_last_fd)	\
+    invalidate_persistent ();			\
+} while (0)
+#endif /* HAVE_SSL */
 
 struct http_stat
 {
@@ -466,6 +524,10 @@ gethttp (struct urlinfo *u, struct http_stat *hs, int *dt)
   FILE *fp;
   int auth_tried_already;
   struct rbuf rbuf;
+#ifdef HAVE_SSL
+  static SSL_CTX *ssl_ctx=NULL;
+  SSL *ssl=NULL;
+#endif /* HAVE_SSL */
 
   /* Whether this connection will be kept alive after the HTTP request
      is done. */
@@ -478,6 +540,11 @@ gethttp (struct urlinfo *u, struct http_stat *hs, int *dt)
   /* Whether keep-alive should be inhibited. */
   int inhibit_keep_alive;
 
+#ifdef HAVE_SSL
+/* initialize ssl_ctx on first run */
+	if (!ssl_ctx) init_ssl(&ssl_ctx);
+#endif /* HAVE_SSL */
+
   if (!(*dt & HEAD_ONLY))
     /* If we're doing a GET on the URL, as opposed to just a HEAD, we need to
        know the local filename so we can save to it. */
@@ -512,7 +579,11 @@ gethttp (struct urlinfo *u, struct http_stat *hs, int *dt)
 
   /* First: establish the connection.  */
   if (inhibit_keep_alive
+#ifndef HAVE_SSL
       || !persistent_available_p (u->host, u->port))
+#else
+      || !persistent_available_p (u->host, u->port, (u->proto==URLHTTPS ? 1 : 0)))
+#endif /* HAVE_SSL */
     {
       logprintf (LOG_VERBOSE, _("Connecting to %s:%hu... "), u->host, u->port);
       err = make_connection (&sock, u->host, u->port);
@@ -548,6 +619,14 @@ gethttp (struct urlinfo *u, struct http_stat *hs, int *dt)
 	  abort ();
 	  break;
 	}
+#ifdef HAVE_SSL
+     if (u->proto==URLHTTPS) if (connect_ssl(&ssl,ssl_ctx,sock)!=0) {
+  	    logputs (LOG_VERBOSE, "\n");
+	    logprintf (LOG_NOTQUIET, _("Unable to establish SSL connection.\n"));
+  	    CLOSE (sock);
+	    return CONSSLERR;
+	  }
+#endif /* HAVE_SSL */
     }
   else
     {
@@ -555,6 +634,9 @@ gethttp (struct urlinfo *u, struct http_stat *hs, int *dt)
       /* #### pc_last_fd should be accessed through an accessor
          function.  */
       sock = pc_last_fd;
+#ifdef HAVE_SSL
+      ssl = pc_last_ssl;
+#endif /* HAVE_SSL */
       DEBUGP (("Reusing fd %d.\n", sock));
     }
 
@@ -715,12 +797,24 @@ Accept: %s\r\n\
   FREE_MAYBE (proxyauth);
 
   /* Send the request to server.  */
+#ifdef HAVE_SSL
+  if (u->proto==URLHTTPS) {
+  num_written = ssl_iwrite (ssl, request, strlen (request));
+  } else {
+#endif /* HAVE_SSL */
   num_written = iwrite (sock, request, strlen (request));
+#ifdef HAVE_SSL
+  }
+#endif /* HAVE_SSL */
   if (num_written < 0)
     {
       logprintf (LOG_VERBOSE, _("Failed writing HTTP request: %s.\n"),
 		 strerror (errno));
+#ifndef HAVE_SSL
 		CLOSE_INVALIDATE (sock);
+#else
+		CLOSE_INVALIDATE (sock,ssl);
+#endif /* HAVE_SSL */
       return WRITEFAILED;
     }
   logprintf (LOG_VERBOSE, _("%s request sent, awaiting response... "),
@@ -732,7 +826,11 @@ Accept: %s\r\n\
 
   /* Before reading anything, initialize the rbuf.  */
   rbuf_initialize (&rbuf, sock);
-
+#ifdef HAVE_SSL
+  if (u->proto == URLHTTPS) {
+	 rbuf.ssl=ssl;
+  } else { rbuf.ssl=NULL; }
+#endif /* HAVE_SSL */
   all_headers = NULL;
   all_length = 0;
   /* Header-fetching loop.  */
@@ -767,7 +865,11 @@ Accept: %s\r\n\
 	  FREE_MAYBE (type);
 	  FREE_MAYBE (hs->newloc);
 	  FREE_MAYBE (all_headers);
+#ifndef HAVE_SSL
 		CLOSE_INVALIDATE (sock);
+#else
+		CLOSE_INVALIDATE (sock,ssl);
+#endif /* HAVE_SSL */
 	  return HEOF;
 	}
       else if (status == HG_ERROR)
@@ -779,7 +881,11 @@ Accept: %s\r\n\
 	  FREE_MAYBE (type);
 	  FREE_MAYBE (hs->newloc);
 	  FREE_MAYBE (all_headers);
+#ifndef HAVE_SSL
      CLOSE_INVALIDATE (sock);
+#else
+	  CLOSE_INVALIDATE (sock,ssl);
+#endif /* HAVE_SSL */
 	  return HERR;
 	}
 
@@ -919,7 +1025,11 @@ Accept: %s\r\n\
   if (keep_alive)
     /* The server has promised that it will not close the connection
        when we're done.  This means that we can register it.  */
+#ifndef HAVE_SSL
     register_persistent (u->host, u->port, sock);
+#else
+    register_persistent (u->host, u->port, sock, ssl);
+#endif /* HAVE_SSL */
 
   if ((statcode == HTTP_STATUS_UNAUTHORIZED)
       && authenticate_h)
@@ -928,7 +1038,11 @@ Accept: %s\r\n\
       FREE_MAYBE (type);
       type = NULL;
       FREEHSTAT (*hs);
+#ifndef HAVE_SSL
 		CLOSE_FINISH (sock);
+#else
+		CLOSE_FINISH (sock,ssl);
+#endif /* HAVE_SSL */
       if (auth_tried_already)
 	{
 	  /* If we have tried it already, then there is not point
@@ -1004,7 +1118,11 @@ Accept: %s\r\n\
       FREE_MAYBE (type);
       FREE_MAYBE (hs->newloc);
       FREE_MAYBE (all_headers);
+#ifndef HAVE_SSL
 		CLOSE_INVALIDATE (sock);
+#else
+		CLOSE_INVALIDATE (sock,ssl);
+#endif /* HAVE_SSL */
       return RANGEERR;
     }
 
@@ -1034,7 +1152,11 @@ Accept: %s\r\n\
 		     _("Location: %s%s\n"),
 		     hs->newloc ? hs->newloc : _("unspecified"),
 		     hs->newloc ? _(" [following]") : "");
+#ifndef HAVE_SSL
 		CLOSE_FINISH (sock);
+#else
+		CLOSE_FINISH (sock,ssl);
+#endif /* HAVE_SSL */
 	  FREE_MAYBE (type);
 	  FREE_MAYBE (all_headers);
 	  return NEWLOCATION;
@@ -1075,7 +1197,11 @@ Accept: %s\r\n\
       hs->res = 0;
       FREE_MAYBE (type);
       FREE_MAYBE (all_headers);
+#ifndef HAVE_SSL
 		CLOSE_FINISH (sock);
+#else
+		CLOSE_FINISH (sock,ssl);
+#endif /* HAVE_SSL */
       return RETRFINISHED;
     }
 
@@ -1089,7 +1215,11 @@ Accept: %s\r\n\
       if (!fp)
 	{
 	  logprintf (LOG_NOTQUIET, "%s: %s\n", u->local, strerror (errno));
+#ifndef HAVE_SSL
 		CLOSE_FINISH (sock);
+#else
+		CLOSE_FINISH (sock,ssl);
+#endif /* HAVE_SSL */
 	  FREE_MAYBE (all_headers);
 	  return FOPENERR;
 	}
@@ -1129,7 +1259,11 @@ Accept: %s\r\n\
       hs->res = -2;
   }
   FREE_MAYBE (all_headers);
+#ifndef HAVE_SSL
 		CLOSE_FINISH (sock);
+#else
+		CLOSE_FINISH (sock,ssl);
+#endif /* HAVE_SSL */
   if (hs->res == -2)
     return FWRITEERR;
   return RETRFINISHED;
@@ -1350,6 +1484,13 @@ File `%s' already there, will not retrieve.\n"), u->local);
 	  logprintf (LOG_NOTQUIET, _("Cannot write to `%s' (%s).\n"),
 		     u->local, strerror (errno));
 	  FREEHSTAT (hstat);
+	  return err;
+	  break;
+   case CONSSLERR:
+	  /* Another fatal error.  */
+	  logputs (LOG_VERBOSE, "\n");
+	  logprintf (LOG_NOTQUIET, _("Unable to establish SSL connection.\n"));
+	  FREEHSTAT (hstat);
 	  xfree (filename_plus_orig_suffix); /* must precede every return! */
 	  return err;
 	  break;

src/init.c

@@ -126,6 +126,7 @@ static struct {
   { "httppasswd",	&opt.http_passwd,	cmd_string },
   { "httpproxy",	&opt.http_proxy,	cmd_string },
   { "httpuser",		&opt.http_user,		cmd_string },
+  { "httpsproxy",	&opt.https_proxy,	cmd_string },
   { "ignorelength",	&opt.ignore_length,	cmd_boolean },
   { "ignoretags",	&opt.ignore_tags,	cmd_vector },
   { "includedirectories", &opt.includes,	cmd_directory_vector },
@@ -1012,6 +1013,7 @@ cleanup (void)
   xfree (opt.ftp_acc);
   FREE_MAYBE (opt.ftp_pass);
   FREE_MAYBE (opt.ftp_proxy);
+  FREE_MAYBE (opt.https_proxy);
   FREE_MAYBE (opt.http_proxy);
   free_vec (opt.no_proxy);
   FREE_MAYBE (opt.useragent);

src/options.h

@@ -90,7 +90,7 @@ struct options
 
   int use_proxy;		/* Do we use proxy? */
   int proxy_cache;		/* Do we load from proxy cache? */
-  char *http_proxy, *ftp_proxy;
+  char *http_proxy, *ftp_proxy, *https_proxy;
   char **no_proxy;
   char *base_href;
   char *proxy_user; /*oli*/

src/rbuf.c

@@ -25,10 +25,23 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "rbuf.h"
 #include "connect.h"
 
+#ifdef HAVE_SSL
+#include <openssl/bio.h>
+#include <openssl/crypto.h>
+#include <openssl/x509.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/pem.h>
+#endif /* HAVE_SSL */
+
 void
 rbuf_initialize (struct rbuf *rbuf, int fd)
 {
   rbuf->fd = fd;
+#ifdef HAVE_SSL
+/* pointing ssl to NULL results in an unchanged behaviour */
+  rbuf->ssl = NULL;
+#endif /* HAVE_SSL */
   rbuf->buffer_pos = rbuf->buffer;
   rbuf->buffer_left = 0;
 }
@@ -64,7 +77,15 @@ rbuf_peek (struct rbuf *rbuf, char *store)
       int res;
       rbuf->buffer_pos = rbuf->buffer;
       rbuf->buffer_left = 0;
+#ifdef HAVE_SSL
+		if (rbuf->ssl != NULL) {
+		res = ssl_iread (rbuf->ssl, rbuf->buffer, sizeof (rbuf->buffer));
+		} else {
+#endif /* HAVE_SSL */
 		res = iread (rbuf->fd, rbuf->buffer, sizeof (rbuf->buffer));
+#ifdef HAVE_SSL
+      }
+#endif /* HAVE_SSL */
       if (res <= 0)
 	return res;
       rbuf->buffer_left = res;

src/rbuf.h

@@ -20,10 +20,17 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #ifndef RBUF_H
 #define RBUF_H
 
+#ifdef HAVE_SSL
+# include <openssl/ssl.h>
+#endif
+
 /* Retrieval stream */
 struct rbuf
 {
   int fd;
+#ifdef HAVE_SSL
+  SSL *ssl;		/* the ssl structure -- replaces fd for ssl connections */
+#endif /* HAVE_SSL */
   char buffer[4096];		/* the input buffer */
   char *buffer_pos;		/* current position in the buffer */
   size_t buffer_left;		/* number of bytes left in the buffer:
@@ -42,6 +49,23 @@ struct rbuf
    result of historical implementation of header code.  The macro
    should return the character or EOF, and in case of error store it
    to rbuf->err or something.  */
+#ifdef HAVE_SSL
+/* SSL version of rbuf. If rbuf.ssl isn't NULL use ssl_iread instead 
+   of iread  */
+#define RBUF_READCHAR(rbuf, store)					\
+((rbuf)->buffer_left							\
+ ? (--(rbuf)->buffer_left,						\
+    *((char *) (store)) = *(rbuf)->buffer_pos++, 1)			\
+ : ((rbuf)->buffer_pos = (rbuf)->buffer,				\
+    ((((rbuf)->internal_dont_touch_this					\
+		= (rbuf->ssl == NULL) ? (iread ((rbuf)->fd, (rbuf)->buffer,				\
+		sizeof ((rbuf)->buffer))) : (ssl_iread ((rbuf)->ssl, (rbuf)->buffer,		\
+		sizeof ((rbuf)->buffer))) ) <= 0)				\
+     ? (rbuf)->internal_dont_touch_this					\
+     : ((rbuf)->buffer_left = (rbuf)->internal_dont_touch_this - 1,	\
+	*((char *) (store)) = *(rbuf)->buffer_pos++,			\
+	1))))
+#else
 #define RBUF_READCHAR(rbuf, store)					\
 ((rbuf)->buffer_left							\
  ? (--(rbuf)->buffer_left,						\
@@ -55,9 +79,15 @@ struct rbuf
 	*((char *) (store)) = *(rbuf)->buffer_pos++,			\
 	1))))
 
+
+#endif /* HAVE_SSL */
+
 /* Return the file descriptor of RBUF.  */
 #define RBUF_FD(rbuf) ((rbuf)->fd)
 
+/* Return the file descriptor of RBUF.  */
+#define RBUF_SSL(rbuf) ((rbuf)->ssl)
+
 /* Function declarations */
 void rbuf_initialize PARAMS ((struct rbuf *, int));
 int rbuf_initialized_p PARAMS ((struct rbuf *));

src/retr.c

@@ -118,7 +118,15 @@ get_contents (int fd, FILE *fp, long *len, long restval, long expected,
       int amount_to_read = (use_expected
 			    ? MIN (expected - *len, sizeof (c))
 			    : sizeof (c));
+#ifdef HAVE_SSL
+		if (rbuf->ssl!=NULL) {
+		  res = ssl_iread (rbuf->ssl, c, amount_to_read);
+		} else {
+#endif /* HAVE_SSL */
 		  res = iread (fd, c, amount_to_read);
+#ifdef HAVE_SSL
+		}
+#endif /* HAVE_SSL */
       if (res > 0)
 	{
 	  if (fwrite (c, sizeof (char), res, fp) < res)
@@ -322,7 +330,7 @@ rate (long bytes, long msecs)
 			&& no_proxy_match((u)->host,			\
 					  (const char **)opt.no_proxy))
 
-/* Retrieve the given URL.  Decides which loop to call -- HTTP, FTP,
+/* Retrieve the given URL.  Decides which loop to call -- HTTP(S), FTP,
    or simply copy it with file:// (#### the latter not yet
    implemented!).  */
 uerr_t
@@ -415,7 +423,11 @@ retrieve_url (const char *origurl, char **file, char **newloc,
   assert (u->proto != URLFILE);	/* #### Implement me!  */
   mynewloc = NULL;
 
+#ifdef HAVE_SSL
+  if (u->proto == URLHTTP || u->proto == URLHTTPS )
+#else
   if (u->proto == URLHTTP)
+#endif /* HAVE_SSL */
     result = http_loop (u, &mynewloc, dt);
   else if (u->proto == URLFTP)
     {

src/url.c

@@ -46,6 +46,7 @@ extern int errno;
 /* Default port definitions */
 #define DEFAULT_HTTP_PORT 80
 #define DEFAULT_FTP_PORT 21
+#define DEFAULT_HTTPS_PORT 443
 
 /* Table of Unsafe chars.  This is intialized in
    init_unsafe_char_table.  */
@@ -77,8 +78,8 @@ static void path_simplify_with_kludge PARAMS ((char *));
 static int urlpath_length PARAMS ((const char *));
 
 /* NULL-terminated list of strings to be recognized as prototypes (URL
-   schemes).  Note that recognized doesn't mean supported -- only HTTP
+   schemes).  Note that recognized doesn't mean supported -- only HTTP,
-   and FTP are currently supported.
+   HTTPS and FTP are currently supported .
 
    However, a string that does not match anything in the list will be
    considered a relative URL.  Thus it's important that this list has
@@ -133,6 +134,9 @@ struct proto
 static struct proto sup_protos[] =
 {
   { "http://", URLHTTP, DEFAULT_HTTP_PORT },
+#ifdef HAVE_SSL
+  { "https://",URLHTTPS, DEFAULT_HTTPS_PORT},
+#endif
   { "ftp://", URLFTP, DEFAULT_FTP_PORT },
   /*{ "file://", URLFILE, DEFAULT_FTP_PORT },*/
 };
@@ -1288,6 +1292,10 @@ getproxy (uerr_t proto)
     return opt.http_proxy ? opt.http_proxy : getenv ("http_proxy");
   else if (proto == URLFTP)
     return opt.ftp_proxy ? opt.ftp_proxy : getenv ("ftp_proxy");
+#ifdef HAVE_SSL
+  else if (proto == URLHTTPS)
+    return opt.https_proxy ? opt.https_proxy : getenv ("https_proxy");
+#endif /* HAVE_SSL */
   else
     return NULL;
 }

src/wget.h

@@ -246,12 +246,12 @@ enum
    This is, of course, utter crock.  */
 typedef enum
 {
-  NOCONERROR, HOSTERR, CONSOCKERR, CONERROR,
+  NOCONERROR, HOSTERR, CONSOCKERR, CONERROR, CONSSLERR,
   CONREFUSED, NEWLOCATION, NOTENOUGHMEM, CONPORTERR,
   BINDERR, BINDOK, LISTENERR, ACCEPTERR, ACCEPTOK,
   CONCLOSED, FTPOK, FTPLOGINC, FTPLOGREFUSED, FTPPORTERR,
   FTPNSFOD, FTPRETROK, FTPUNKNOWNTYPE, FTPRERR,
-  FTPREXC, FTPSRVERR, FTPRETRINT, FTPRESTFAIL,
+  FTPREXC, FTPSRVERR, FTPRETRINT, FTPRESTFAIL, URLHTTPS,
   URLOK, URLHTTP, URLFTP, URLFILE, URLUNKNOWN, URLBADPORT,
   URLBADHOST, FOPENERR, FWRITEERR, HOK, HLEXC, HEOF,
   HERR, RETROK, RECLEVELEXC, FTPACCDENIED, WRONGCODE,