app-text/uudeview: Fix format string and function definition issues.

This fixes two compiler warnings about possible format string risks
and missing function definitions that will cause errors in clang 16.

Closes: https://bugs.gentoo.org/521266
Closes: https://bugs.gentoo.org/874960
Closes: https://github.com/gentoo/gentoo/pull/28420
Signed-off-by: Hanno Böck <hanno@gentoo.org>

4 files changed, 212 insertions, 0 deletions

diff --git a/app-text/uudeview/files/uudeview-0.5.20-fix-function-definitions-clang16.patch b/app-text/uudeview/files/uudeview-0.5.20-fix-function-definitions-clang16.patch
new file mode 100644
index 000000000000..2ed3dd572be0
--- /dev/null
+++ b/app-text/uudeview/files/uudeview-0.5.20-fix-function-definitions-clang16.patch
@@ -0,0 +1,134 @@
+Clang16 will not allow implicit function declaration, implicit int etc. by default.
+This patch overhauls the source code to build with clan16 defaults.
+
+Bug: https://bugs.gentoo.org/874960
+
+Original patch by Pascal Jäger <pascal.jaeger@leimstift.de>,
+minor adjustments by Hanno Böck.
+
+diff -Naurp a/inews/clientlib.c b/inews/clientlib.c
+--- a/inews/clientlib.c	1996-06-06 21:41:07.000000000 +0200
++++ b/inews/clientlib.c	2022-11-26 18:32:09.383423565 +0100
+@@ -14,6 +14,7 @@ static char	*sccsid = "@(#)clientlib.c	1
+ #include "../config.h"
+ #endif
+ 
++#include <arpa/inet.h>
+ #include <stdio.h>
+ #ifndef FOR_NN
+ #include <sys/types.h>
+@@ -52,6 +53,7 @@ static char	*sccsid = "@(#)clientlib.c	1
+ #endif
+ 
+ #include "nntp.h"
++#include "clientlib.h"
+ 
+ FILE	*ser_rd_fp = NULL;
+ FILE	*ser_wr_fp = NULL;
+@@ -133,7 +135,7 @@ char	*file;
+  *			for reading and writing to server.
+  */
+ 
+-server_init(machine)
++int server_init(machine)
+ char	*machine;
+ {
+ 	int	sockt_rd, sockt_wr;
+@@ -194,7 +196,7 @@ char	*machine;
+  *	Errors:		Printed via perror.
+  */
+ 
+-get_tcp_socket(machine)
++int get_tcp_socket(machine)
+ char	*machine;
+ {
+ 	int	s;
+@@ -218,7 +220,6 @@ char	*machine;
+         * fails.
+         */
+        if( (hp = gethostbyname( machine ) ) == NULL ) {
+-               unsigned long inet_addr();
+                static struct hostent def;
+                static struct in_addr defaddr;
+                static char *alist[1];
+@@ -344,7 +345,7 @@ char	*machine;
+  *	Errors:		Printed via nerror.
+  */
+ 
+-get_dnet_socket(machine)
++int get_dnet_socket(machine)
+ char	*machine;
+ {
+ 	int	s, area, node;
+@@ -427,7 +428,7 @@ char	*machine;
+  *	Side effects:	None.
+  */
+ 
+-handle_server_response(response, server)
++int handle_server_response(response, server)
+ int	response;
+ char	*server;
+ {
+@@ -502,7 +503,7 @@ char *string;
+  *	Side effects:	Talks to server, changes contents of "string".
+  */
+ 
+-get_server(string, size)
++int get_server(string, size)
+ char	*string;
+ int	size;
+ {
+diff -Naurp a/inews/clientlib.h b/inews/clientlib.h
+--- a/inews/clientlib.h	1996-06-06 21:41:07.000000000 +0200
++++ b/inews/clientlib.h	2022-11-26 18:27:59.711248861 +0100
+@@ -9,3 +9,7 @@ extern	int	server_init();
+ extern	void	put_server();
+ extern	int	get_server();
+ extern	void	close_server();
++
++extern	int	get_tcp_socket(char *machine);
++extern	int	get_server(char *string, int size);
++extern	int	handle_server_response(int response, char *server);
+diff -Naurp a/inews/inews.c b/inews/inews.c
+--- a/inews/inews.c	2004-01-29 03:14:19.000000000 +0100
++++ b/inews/inews.c	2022-11-26 18:32:26.200435328 +0100
+@@ -39,15 +39,20 @@ static char *sccsid = "@(#)inews.c	1.16
+ 
+ #include "conf.h"
+ #include "nntp.h"
++#include "clientlib.h"
+ 
+ 
+ #define	MAX_SIGNATURE	6
+ 
++int strneql(char *a, char *b, int n);
++void gen_frompath(void);
++int valid_header(register char *h);
++
+ extern	FILE	*ser_wr_fp;
+ 
+ char	host_name[256];
+ 
+-main(argc, argv)
++int main(argc, argv)
+ int	argc;
+ char	*argv[];
+ {
+@@ -254,7 +259,7 @@ append_signature()
+  * a From: line in it.
+  */
+ 
+-gen_frompath()
++void gen_frompath()
+ {
+ 	char	*full_name;
+ 	char	*cp;
+@@ -330,7 +335,7 @@ gen_frompath()
+  *	Side effects:	None.
+  */
+ 
+-strneql(a, b, n)
++int strneql(a, b, n)
+ register char *a, *b;
+ int	n;
+ {
diff --git a/app-text/uudeview/files/uudeview-0.5.20-format-string-warning-inews.patch b/app-text/uudeview/files/uudeview-0.5.20-format-string-warning-inews.patch
new file mode 100644
index 000000000000..de53717a3cbe
--- /dev/null
+++ b/app-text/uudeview/files/uudeview-0.5.20-format-string-warning-inews.patch
@@ -0,0 +1,11 @@
+--- a/inews/inews.c	2022-11-26 18:44:03.788039229 +0100
++++ b/inews/inews.c	2022-11-26 18:44:47.376080190 +0100
+@@ -303,7 +303,7 @@
+ 			putc(*cp, ser_wr_fp);
+ 		else {		/* Stupid & hack.  God damn it. */
+ 			putc(toupper(passwd->pw_name[0]), ser_wr_fp);
+-			fprintf(ser_wr_fp, passwd->pw_name+1);
++			fprintf(ser_wr_fp, "%s", passwd->pw_name+1);
+ 		}
+ 
+ 	fprintf(ser_wr_fp, ")\r\n");
diff --git a/app-text/uudeview/files/uudeview-0.5.20-string_format_issue.patch b/app-text/uudeview/files/uudeview-0.5.20-string_format_issue.patch
new file mode 100644
index 000000000000..7cbc584f5b47
--- /dev/null
+++ b/app-text/uudeview/files/uudeview-0.5.20-string_format_issue.patch
@@ -0,0 +1,24 @@
+Description: Fix potential security issue (arbitrary string being passed
+ as a format string to fprintf).
+Author: Andrew Shadura <andrewsh@debian.org>
+
+--- a/unix/uuenview.c
++++ b/unix/uuenview.c
+@@ -310,7 +310,7 @@ SendMkCommand (char **rcptlist, char *to
+   }
+ 
+   if ((*rcptlist = (char *) malloc (strlen (towhom) + 16)) == NULL) {
+-    fprintf (stderr, "error: Out of memory allocating %d bytes\n",
++    fprintf (stderr, "error: Out of memory allocating %zd bytes\n",
+ 	     strlen (towhom)+16);
+     _FP_free (command);
+     return NULL;
+@@ -483,7 +483,7 @@ AttachFiles (char *towhom, char *subject
+       if (_FP_stristr (input, "multipart") != NULL) {
+ 	/* it is already a multipart posting. grab the boundary */
+ 	if ((ptr = _FP_stristr (input, "boundary=")) != NULL) {
+-	  fprintf(thepipe,  input);
++	  fprintf(thepipe,  "%s", input);
+ 	  strcpy (boundary, ParseValue (ptr));
+ 	  hadmulti = 1;
+ 	}
diff --git a/app-text/uudeview/uudeview-0.5.20-r3.ebuild b/app-text/uudeview/uudeview-0.5.20-r3.ebuild
new file mode 100644
index 000000000000..903bd6b43754
--- /dev/null
+++ b/app-text/uudeview/uudeview-0.5.20-r3.ebuild
@@ -0,0 +1,43 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools toolchain-funcs
+
+DESCRIPTION="uu, xx, base64, binhex decoder"
+HOMEPAGE="http://www.fpx.de/fp/Software/UUDeview/"
+SRC_URI="http://www.fpx.de/fp/Software/UUDeview/download/${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~ppc ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-bugfixes.patch
+	"${FILESDIR}"/${P}-CVE-2004-2265.patch
+	"${FILESDIR}"/${P}-CVE-2008-2266.patch
+	"${FILESDIR}"/${P}-man.patch
+	"${FILESDIR}"/${P}-rename.patch
+	"${FILESDIR}"/${P}-makefile.patch
+	"${FILESDIR}"/${P}-fix-append_signature.patch
+	"${FILESDIR}"/${P}-string_format_issue.patch
+	"${FILESDIR}"/${P}-format-string-warning-inews.patch
+	"${FILESDIR}"/${P}-fix-function-definitions-clang16.patch
+)
+
+DOCS=( HISTORY INSTALL README )
+
+src_prepare() {
+	sed -i "s:^\tar r:\t$(tc-getAR) r:" uulib/Makefile.in || die
+
+	default
+	mv configure.{in,ac} || die
+	eautoreconf
+}
+
+src_configure() {
+	econf \
+		--disable-tcl \
+		--disable-tk
+}