bitchx: add security patch for dcc

srcpkgs/bitchx/patches/bitchx-1.2.1-security.patch

@@ -0,0 +1,76 @@
+diff --git include/dcc.h include/dcc.h
+index 9cc1e7c..3e4f12d 100644
+--- include/dcc.h
++++ include/dcc.h
+@@ -97,6 +97,7 @@
+ #define DCC_OFFER      0x00040000
+ #define DCC_DELETE     0x00080000
+ #define DCC_TWOCLIENTS 0x00100000
++#define DCC_RESUME_REQ 0x00200000
+
+ #ifdef NON_BLOCKING_CONNECTS
+ #define DCC_CNCT_PEND  0x00200000
+diff --git source/dcc.c source/dcc.c
+index d0706f8..b158189 100644
+--- source/dcc.c
++++ source/dcc.c
+@@ -1415,6 +1415,7 @@ UserList *ul = NULL;
+ 			if (autoresume && stat(fullname, &sb) != -1) {
+ 				n->transfer_orders.byteoffset = sb.st_size;
+ 				n->bytes_read = 0L;
++				new_d->sock.flags |= DCC_RESUME_REQ;
+ 				send_ctcp(CTCP_PRIVMSG, nick, CTCP_DCC, "RESUME %s %d %ld", n->filename, ntohs(n->remport), sb.st_size);
+ 			} else {
+ 				DCC_int *new = NULL;
+@@ -3430,6 +3431,7 @@ void dcc_getfile_resume_start (char *nick, char *description, char *address, cha
+ {
+ SocketList *s;
+ DCC_int *n;
++const DCC_List *pending;
+ char *tmp = NULL;
+ char *fullname = NULL;
+ struct stat sb;
+@@ -3442,6 +3444,14 @@ struct stat sb;
+ 		put_it("%s", convert_output_format("$G %RDCC%n warning in dcc_getfile_resume_start", NULL));
+ 		return;
+ 	}
++	
++	pending = find_dcc_pending(nick, description, NULL, DCC_FILEREAD, 0, -1);
++	if (!pending || !(pending->sock.flags & DCC_RESUME_REQ))
++	{
++		put_it("%s", convert_output_format("$G %RDCC%n Ignoring unsolicited ACCEPT from $0", "%s", nick));
++		return;
++	}
++
+ 	if (!(n = dcc_create(nick, description, NULL, 0, port?atol(port):0, DCC_FILEREAD, DCC_TWOCLIENTS|DCC_OFFER, start_dcc_get)))
+ 		return;
+ 
+@@ -3488,17 +3498,13 @@ int		blocksize = 0;
+ 	user = get_dcc_args(&args, &passwd, &port, &blocksize);
+ 	if (!user)
+ 	{
+-		put_it("%s", convert_output_format("$G %RDCC%n You must supply a nickname for DCC get", NULL, NULL));
++		put_it("%s", convert_output_format("$G %RDCC%n You must supply a nickname for DCC RESUME", NULL));
+ 		return;
+ 	}
++
+ 	if (!blocksize || blocksize > MAX_DCC_BLOCK_SIZE)
+ 		blocksize = get_int_var(DCC_BLOCK_SIZE_VAR);
+ 
+-	if (!user)
+-	{
+-		put_it("%s", convert_output_format("$G %RDCC%n You must supply a nickname for DCC RESUME", NULL));
+-		return;
+-	}
+ 	if (args && *args)
+ 		filename = args;
+ 
+@@ -3557,6 +3563,8 @@ int		blocksize = 0;
+ 		n->blocksize = blocksize;
+ 		n->transfer_orders.byteoffset = sb.st_size;
+ 
++		s->flags |= DCC_RESUME_REQ;
++
+ 		old_dp = doing_privmsg;	old_dn = doing_notice; old_dc = in_ctcp_flag;
+ 		/* Just in case we have to fool the protocol enforcement. */
+ 		doing_privmsg = doing_notice = in_ctcp_flag = 0;

srcpkgs/bitchx/template

@@ -1,7 +1,7 @@
 # Template file for 'bitchx'
 pkgname=bitchx
 version=1.2.1
-revision=6
+revision=7
 build_style=gnu-configure
 configure_args="--with-ssl --with-ipv6 --with-plugins"
 makedepends="libressl-devel ncurses-devel"