network/elinks: Fix gopher HTML entities

8 files changed, 135 insertions, 142 deletions

diff --git a/network/elinks/patches/0001-gopher_html_links.patch b/network/elinks/patches/0001-gopher_html_links.patch
index e2a927f9c8f4b..38a2dd0b10817 100644
--- a/network/elinks/patches/0001-gopher_html_links.patch
+++ b/network/elinks/patches/0001-gopher_html_links.patch
@@ -1,8 +1,5 @@
 ################################################################
-# There is a problem that html links that contain URL:http://
-# aren't being followed. This fixes that issue and also chtml.
-# Normally those kind of links go to a redirect page that the
-# server generates, which then sends you on your way.
+# Fix for HTML links that contain URL:http://
 # dave@slackbuilds.org
 ###############################################################
 diff -Naur a/src/protocol/gopher/gopher.c b/src/protocol/gopher/gopher.c
@@ -25,13 +22,13 @@ diff -Naur a/src/protocol/gopher/gopher.c b/src/protocol/gopher/gopher.c
  
 +	if(strstr(selector, URL) != NULL || strstr(selector, URI) != NULL) {
 +		entity = GOPHER_HTML;
-+		*selector++;
++		selector++;
 +		selectorlen--;
 +	}
 +
 +	if(strstr(selector, CURL) != NULL || strstr(selector, CURI) != NULL) {
 +		entity = GOPHER_CHTML;
-+		*selector++;
++		selector++;
 +		selectorlen--;
 +	}
 +
diff --git a/network/elinks/patches/0002-gopher_index_queries.patch b/network/elinks/patches/0002-gopher_index_queries.patch
index ce92695a0a7c8..662fd13a7f84a 100644
--- a/network/elinks/patches/0002-gopher_index_queries.patch
+++ b/network/elinks/patches/0002-gopher_index_queries.patch
@@ -1,71 +1,53 @@
 #######################################################################
-# elinks by default generates its own search query form when it sees
-# a type 7 index entity.  The problem is that it didn't read the
-# served results page and instead generated another search page after
-# you had entered the first.  This patch fixes that and in my tests it
-# seems to work so far.  I've also added a primitive debug log.
+# Fix for type 7 entities.
 # dave@slackbuilds.org
 #######################################################################
-diff -Naur a/src/protocol/gopher/gopher.c b/src/protocol/gopher/gopher.c
---- a/src/protocol/gopher/gopher.c	2020-01-08 05:37:57.443382095 +0000
-+++ b/src/protocol/gopher/gopher.c	2020-01-08 05:36:42.849199857 +0000
-@@ -43,6 +43,34 @@
- #include "util/memory.h"
- #include "util/string.h"
+diff -Naur '--exclude=.git' bb/src/protocol/gopher/gopher.c cc/src/protocol/gopher/gopher.c
+--- bb/src/protocol/gopher/gopher.c	2020-01-13 22:35:13.663935305 +0000
++++ cc/src/protocol/gopher/gopher.c	2020-01-13 23:16:00.053003768 +0000
+@@ -197,7 +197,7 @@
+ 	command->length = strlen(command->source);
+ }
  
-+#ifdef HAVE_FCNTL_H
-+#include <fcntl.h> /* OS/2 needs this after sys/types.h */
-+#endif
-+
-+/* To enable logging for debugging purposes. */
-+#if 0
-+
-+#define LOGFILE "/tmp/log"
-+
-+static void
-+debug_log(unsigned char *data,  int NL)
-+{
-+	int fd = open(LOGFILE, O_WRONLY | O_APPEND | O_CREAT, 0622);
-+
-+	if (fd == -1) return;
-+
-+	set_bin(fd);
-+	write(fd, data, strlen(data));
-+    if (NL)
-+        write(fd, "\n", 1);
-+	close(fd);
-+}
-+#undef LOGFILE
-+
-+#else
-+#define debug_log(data, len)
-+#endif
-+
- struct module gopher_protocol_module = struct_module(
- 	/* name: */		N_("Gopher"),
- 	/* options: */		NULL,
-@@ -219,11 +247,13 @@
+-static struct connection_state init_gopher_index_cache_entry(struct connection *conn);
++/* static struct connection_state init_gopher_index_cache_entry(struct connection *conn); */
+ 
+ static struct connection_state
+ add_gopher_command(struct connection *conn, struct string *command,
+@@ -205,7 +205,7 @@
+ 		   unsigned char *selector, int selectorlen)
+ {
+ 	unsigned char *query;
+-	int querylen;
++	int querylen = 0;
+ 
+ 	if (!init_string(command))
+ 		return connection_state(S_OUT_OF_MEM);
+@@ -218,13 +218,14 @@
+ 		/* Exclude '?' */
  		if (query) selectorlen -= 1;
  		query = NULL;
- 		querylen = 0;
+-		querylen = 0;
 -	} else {
 -		query += 1;
 +	} else if (entity == GOPHER_INDEX) {
-+        /* fix query size to not include the search= part */
++		/* fix query size to not include the search= part */
 +		query += 8;
  		querylen = selector + selectorlen - query;
  		/* Exclude '?' */
 -		selectorlen -= querylen + 1;
-+        /* fix selector length to fit with query */
+-		if (querylen >= 7 && !c_strncasecmp(query, "search=", 7)) {
++		/* fix selector length to fit with query */
 +		selectorlen -= querylen + 8;
- 		if (querylen >= 7 && !c_strncasecmp(query, "search=", 7)) {
++		if (querylen >= 7 && !c_strncasecmp(query, "submit=", 7)) {
  			query	 += 7;
  			querylen -= 7;
-@@ -233,9 +263,11 @@
+ 		}
+@@ -233,9 +234,11 @@
  	switch (entity) {
  	case GOPHER_INDEX:
  		/* No search required? */
-+        /* Don't display the form page */
++		/* Don't display the form page */
  		if (!query) {
  			done_string(command);
 -			return init_gopher_index_cache_entry(conn);
@@ -74,19 +56,58 @@ diff -Naur a/src/protocol/gopher/gopher.c b/src/protocol/gopher/gopher.c
  		}
  
  		add_uri_decoded(command, selector, selectorlen, 0);
-@@ -371,13 +403,14 @@
+@@ -371,13 +374,14 @@
  add_gopher_search_field(struct string *buffer, const unsigned char *text,
  		const unsigned char *addr)
  {
-+	/* Not *every* query is a search */
++	/* Not *every* query is a search! */
  	add_format_to_string(buffer,
  		"<form action=\"%s\">"
  		"<table>"
  		"<td>            </td>"
  		"<td>%s:</td>"
- 		"<td><input maxlength=\"256\" name=\"search\" value=\"\"></td>"
+-		"<td><input maxlength=\"256\" name=\"search\" value=\"\"></td>"
 -		"<td><input type=submit value=\"Search\"></td>"
++		"<td><input maxlength=\"256\" name=\"submit\" value=\"\"></td>"
 +		"<td><input type=submit value=\"Submit\"></td>"
  		"</table>"
  		"</form>",
  		addr, text);
+@@ -662,6 +666,7 @@
+ }
+ 
+ /* Display a Gopher Index document. */
++/* Use the page that the gopher site sends us
+ static struct connection_state
+ init_gopher_index_cache_entry(struct connection *conn)
+ {
+@@ -674,9 +679,9 @@
+ 
+ 	where = get_uri_string(conn->uri, URI_PUBLIC);
+ 
+-	/* TODO: Use different function when using UTF-8
++	 TODO: Use different function when using UTF-8
+ 	 * in terminal (decode_uri_for_display replaces
+-	 * bytes of UTF-8 characters width '*'). */
++	 * bytes of UTF-8 characters width '*'). *
+ 	if (where) decode_uri_for_display(where);
+ 
+ 	add_format_to_string(&buffer,
+@@ -695,7 +700,7 @@
+ 
+ 	mem_free_if(where);
+ 
+-	/* FIXME: I think this needs a form or something */
++	* FIXME: I think this needs a form or something *
+ 
+ 	add_fragment(conn->cached, conn->from, buffer.source, buffer.length);
+ 	conn->from += buffer.length;
+@@ -707,7 +712,7 @@
+ 		? connection_state(S_OK)
+ 		: connection_state(S_OUT_OF_MEM);
+ }
+-
++*/
+ 
+ static void
+ read_gopher_response_data(struct socket *socket, struct read_buffer *rb)
diff --git a/network/elinks/patches/0003-gopher_directory_links.patch b/network/elinks/patches/0003-gopher_directory_links.patch
index 8c61f281bbd9a..15a89fac2f295 100644
--- a/network/elinks/patches/0003-gopher_directory_links.patch
+++ b/network/elinks/patches/0003-gopher_directory_links.patch
@@ -1,35 +1,22 @@
 #######################################################################
-# elinks does not follow links to directories on other servers
-# properly. This adds a '/' before the '1' at the start of a link and 
-# removes any trailing 1.
+# Fix remote directory links.
 # dave@slackbuilds.org
 #######################################################################
-diff -Naur a/src/protocol/gopher/gopher.c b/src/protocol/gopher/gopher.c
---- a/src/protocol/gopher/gopher.c	2020-01-08 04:56:18.809169382 +0000
-+++ b/src/protocol/gopher/gopher.c	2020-01-08 04:52:43.722879240 +0000
-@@ -313,6 +313,9 @@
- 	unsigned char const* URL  = "hURL%3";
- 	unsigned char const* CURI = "HURI%3";
- 	unsigned char const* CURL = "HURL%3";
-+	unsigned char *DIR = "1";
-+	unsigned char *SLASHDIR = "/1";
-+	unsigned char *SLASHPOS;
- 	int selectorlen = conn->uri->datalen;
- 	struct gopher_entity_info *entity_info;
- 	size_t size;
-@@ -350,6 +353,19 @@
+diff -Naur -x .git bb/src/protocol/gopher/gopher.c cc/src/protocol/gopher/gopher.c
+--- bb/src/protocol/gopher/gopher.c	2020-01-13 23:22:18.918292198 +0000
++++ cc/src/protocol/gopher/gopher.c	2020-01-13 23:21:00.631960039 +0000
+@@ -321,6 +321,18 @@
  		selectorlen++;
  	}
  
 +	if (entity_info->type == '1') {
-+		if (strstr(selector, DIR) == selector) {
-+			*selector++;
++		if (strchr(selector, '1') == (char *) selector) {
++			selector++;
 +			selectorlen--;
 +		}
 +		else {
-+			SLASHPOS = strstr(selector, SLASHDIR);
-+			if (SLASHPOS != NULL && strlen(SLASHPOS) == 2) {
-+					selectorlen--;
++			if ((char *) selector  == "/1") {
++				selectorlen--;
 +			}
 +		}
 +	}
diff --git a/network/elinks/patches/0004-ssl_cert_verify.patch b/network/elinks/patches/0004-ssl_cert_verify.patch
index 0cb51242f7c6a..3b56e1ae406e3 100644
--- a/network/elinks/patches/0004-ssl_cert_verify.patch
+++ b/network/elinks/patches/0004-ssl_cert_verify.patch
@@ -1,9 +1,7 @@
 ##############################################################################
-# elinks does not verify ssl host names with openssl
-# This is a modifed version of the patch here that fixes that issue:
+# Verify SSL host names with OpenSSL.
+# Turn on verification by default.
 # http://lists.linuxfromscratch.org/pipermail/elinks-dev/2015-June/002099.html
-# This patch turns on verification by default, and differentiates
-# between host verification fail and normal SSL errors, but more needs doing.
 # dave@slackbuilds.org
 ##############################################################################
 --- a/configure.in	2017-12-21 15:58:12.470247050 +0000
@@ -75,7 +73,7 @@ diff -Naur a/src/network/ssl/socket.c b/src/network/ssl/socket.c
  		default:
  			socket->no_tls = !socket->no_tls;
 -			socket->ops->retry(socket, connection_state(S_SSL_ERROR));
-+			if (SSL_VERIFY_FAIL_IF_NO_PEER_CERT != NULL)
++			if (SSL_VERIFY_FAIL_IF_NO_PEER_CERT)
 +				socket->ops->retry(socket, connection_state(S_SSL_CERTFAIL));
 +			else
 +				socket->ops->retry(socket, connection_state(S_SSL_ERROR));
diff --git a/network/elinks/patches/0005-gopher_newlines_tabs_entity.patch b/network/elinks/patches/0005-gopher_newlines_tabs_entity.patch
index f27b655cc6129..b255fb4f982d5 100644
--- a/network/elinks/patches/0005-gopher_newlines_tabs_entity.patch
+++ b/network/elinks/patches/0005-gopher_newlines_tabs_entity.patch
@@ -1,13 +1,13 @@
 #####################################################################
-# Some fixes for having line feeds in text without a carriage return.
+# Fix line feeds without carriage returns.
 # Make sure that only lines with tabs are treated as links.
 # Support links that don't begin with a '/'.
 # dave@slackbuilds.org
 #####################################################################
-diff -Naur a/src/protocol/gopher/gopher.c b/src/protocol/gopher/gopher.c
---- a/src/protocol/gopher/gopher.c	2020-01-08 05:43:40.148408539 +0000
-+++ b/src/protocol/gopher/gopher.c	2020-01-08 05:43:26.357005028 +0000
-@@ -322,7 +322,7 @@
+diff -Naur -x .git bb/src/protocol/gopher/gopher.c cc/src/protocol/gopher/gopher.c
+--- bb/src/protocol/gopher/gopher.c	2020-01-14 03:19:39.956296190 +0000
++++ cc/src/protocol/gopher/gopher.c	2020-01-14 03:20:05.295045232 +0000
+@@ -290,7 +290,7 @@
  
  	/* Get entity type, and selector string. */
  	/* Pick up gopher_entity */
@@ -16,42 +16,36 @@ diff -Naur a/src/protocol/gopher/gopher.c b/src/protocol/gopher/gopher.c
  		entity = *selector++;
  		selectorlen--;
  	}
-@@ -472,6 +472,7 @@
- 	unsigned char *host = NULL;
- 	unsigned char *port = NULL;
- 	enum gopher_entity entity = *name++;
-+	int link = 0;
- 
- 	if (!entity) {
- 		add_char_to_string(buffer, '\n');
-@@ -481,6 +482,7 @@
- 	if (*name) {
- 		selector = strchr(name, ASCII_TAB);
- 		if (selector) {
-+			link = 1;
- 			/* Terminate name */
- 			*selector++ = '\0';
- 
-@@ -551,7 +553,7 @@
- 	switch (entity) {
- 	case GOPHER_WWW:
- 		/* Gopher pointer to W3 */
--		if (selector) {
-+		if (selector && link == 1) {
- 			add_gopher_link(buffer, name, selector);
- 			break;
+@@ -333,6 +333,18 @@
  		}
-@@ -603,7 +605,8 @@
+ 	}
+ 
++	if (entity_info->type == '1') {
++		if (strchr(selector, '1') == (char *) selector) {
++			selector++;
++			selectorlen--;
++		}
++		else {
++			if ((char *) selector  == "/1") {
++				selectorlen--;
++			}
++		}
++	}
++
+ 	state = add_gopher_command(conn, &command, entity, selector, selectorlen);
+ 	if (!is_in_state(state, S_CONN))
+ 		return state;
+@@ -570,7 +582,8 @@
  
  		} else if (address.length > 0
  			   && strlcmp(address.source, address.length - 1,
 -				      "gopher://error.host:1/", -1)) {
 +				      "gopher://error.host:1/", -1)
-+				 && link == 1) {
++				 && selector) {
  			add_gopher_link(buffer, name, address.source);
  
  		} else {
-@@ -623,7 +626,7 @@
+@@ -590,7 +603,7 @@
  get_gopher_line_end(unsigned char *data, int datalen)
  {
  	for (; datalen > 1; data++, datalen--)
diff --git a/network/elinks/patches/0006-gopher-indexes_nocr.patch b/network/elinks/patches/0006-gopher-indexes_nocr.patch
index 797c9a8b55c3b..9e4a441db66ce 100644
--- a/network/elinks/patches/0006-gopher-indexes_nocr.patch
+++ b/network/elinks/patches/0006-gopher-indexes_nocr.patch
@@ -1,22 +1,18 @@
 #######################################################################
-# Fixes index listings with only LF and no CRs.
+# Fix index listings with only LF and no CRs.
 # dave@slackbuilds.org 
 #######################################################################
-diff -Naur a/src/protocol/gopher/gopher.c b/src/protocol/gopher/gopher.c
---- a/src/protocol/gopher/gopher.c	2020-01-08 07:39:33.403725857 +0000
-+++ b/src/protocol/gopher/gopher.c	2020-01-08 07:40:30.587406965 +0000
-@@ -779,6 +779,15 @@
+diff -Naur '--exclude=.git' bb/src/protocol/gopher/gopher.c cc/src/protocol/gopher/gopher.c
+--- bb/src/protocol/gopher/gopher.c	2020-01-14 06:42:11.030536586 +0000
++++ cc/src/protocol/gopher/gopher.c	2020-01-14 06:42:26.710000886 +0000
+@@ -757,6 +757,11 @@
  	switch (gopher->entity->type) {
  	case GOPHER_DIRECTORY:
  	case GOPHER_INDEX:
 +		/* Lines with no carriage returns */
 +		if (strchr(rb->data, ASCII_CR) == NULL) {
-+			unsigned char *tmp = malloc(rb->length + 3);
-+			tmp[0] = 'i';
-+			tmp = stpcpy(stpcpy(stpcpy(tmp, rb->data), '\r'), '\n');
++			strncat(rb->data, "\r\n", 2);
 +			rb->length += 3;
-+			memcpy(rb->data, tmp, rb->length);
-+			free(tmp);
 +		}
  		state = read_gopher_directory_data(conn, rb);
  		break;
diff --git a/network/elinks/patches/0007-gopher-move_null.patch b/network/elinks/patches/0007-gopher-move_null.patch
index 01751c497a323..8f259e55cf750 100644
--- a/network/elinks/patches/0007-gopher-move_null.patch
+++ b/network/elinks/patches/0007-gopher-move_null.patch
@@ -1,11 +1,11 @@
 ###################################################################
-# Move the added null terminator one char forwards
+# Move the null terminator one char forwards.
 # dave@slackbuilds.org
 ###################################################################
-diff -Naur a/src/protocol/gopher/gopher.c b/src/protocol/gopher/gopher.c
---- a/src/protocol/gopher/gopher.c	2020-01-08 06:52:23.491455711 +0000
-+++ b/src/protocol/gopher/gopher.c	2020-01-08 06:51:41.160210431 +0000
-@@ -638,7 +638,7 @@
+diff -Naur -x .git bb/src/protocol/gopher/gopher.c cc/src/protocol/gopher/gopher.c
+--- bb/src/protocol/gopher/gopher.c	2020-01-14 03:24:11.259323801 +0000
++++ cc/src/protocol/gopher/gopher.c	2020-01-14 03:24:49.452454019 +0000
+@@ -615,7 +615,7 @@
  	assert(line < end);
  
  	/* Just to be safe NUL terminate the line */
diff --git a/network/elinks/patches/0008-gopher-encode-html.patch b/network/elinks/patches/0008-gopher-html-entities.patch
index 21486ff1a4dd3..750d1a49deb42 100644
--- a/network/elinks/patches/0008-gopher-encode-html.patch
+++ b/network/elinks/patches/0008-gopher-html-entities.patch
@@ -1,7 +1,10 @@
-diff -Naur a/src/protocol/gopher/gopher.c b/src/protocol/gopher/gopher.c
---- a/src/protocol/gopher/gopher.c	2020-01-09 09:19:54.983674477 +0000
-+++ b/src/protocol/gopher/gopher.c	2020-01-09 09:21:58.885286474 +0000
-@@ -663,6 +663,25 @@
+###################################################################
+# Encode < > to HTML.
+###################################################################
+diff -Naur '--exclude=.git' bb/src/protocol/gopher/gopher.c cc/src/protocol/gopher/gopher.c
+--- bb/src/protocol/gopher/gopher.c	2020-01-14 03:26:41.791778387 +0000
++++ cc/src/protocol/gopher/gopher.c	2020-01-14 06:19:56.964025440 +0000
+@@ -620,6 +620,25 @@
  	return line[0] == '.' && !line[1] ? NULL : line;
  }
  
@@ -10,7 +13,7 @@ diff -Naur a/src/protocol/gopher/gopher.c b/src/protocol/gopher/gopher.c
 +str_replace(char * in_string, char * s_string, char * r_string)
 +{
 +	/* max == replace all characters */
-+	char temp[strlen(in_string) * (strlen(r_string) - strlen(s_string))];
++	char temp[strlen(in_string) * (strlen(r_string) - strlen(s_string)) + 1];
 +	char * pos;
 +
 +	if (!(pos = strstr(in_string, s_string)))
@@ -18,7 +21,7 @@ diff -Naur a/src/protocol/gopher/gopher.c b/src/protocol/gopher/gopher.c
 +
 +	strncpy(temp, in_string, pos - in_string);
 +	temp[pos - in_string] = 0;
-+	sprintf(temp + (pos - in_string), "%s%s", r_string, pos + strlen(s_string));
++	sprintf(temp + (pos - in_string), "%s%s", r_string, pos + 1);
 +	in_string[0] = 0;
 +	strcpy(in_string, temp);
 +	return str_replace(in_string, s_string, r_string);
@@ -27,7 +30,7 @@ diff -Naur a/src/protocol/gopher/gopher.c b/src/protocol/gopher/gopher.c
  /* Parse a Gopher Menu document */
  static struct connection_state
  read_gopher_directory_data(struct connection *conn, struct read_buffer *rb)
-@@ -682,6 +701,17 @@
+@@ -639,6 +658,14 @@
  		return connection_state(S_OUT_OF_MEM);
  	}
  
@@ -38,9 +41,6 @@ diff -Naur a/src/protocol/gopher/gopher.c b/src/protocol/gopher/gopher.c
 +	if (strstr(rb->data, ">")) {
 +		str_replace(rb->data, ">", "&gt;");
 +	}
-+	if (strstr(rb->data, "\"")) {
-+		str_replace(rb->data, "\"", "&quot;");
-+	}
 +
  	while ((end = get_gopher_line_end(rb->data, rb->length))) {
  		unsigned char *line = check_gopher_last_line(rb->data, end);