File slang-fsuid.patch of Package slang

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File slang-fsuid.patch of Package slang

Index: slang-2.3.2/autoconf/configure.ac
===================================================================
--- slang-2.3.2.orig/autoconf/configure.ac
+++ slang-2.3.2/autoconf/configure.ac
@@ -177,9 +177,18 @@ sys/socket.h \
 netinet/in.h \
 arpa/inet.h \
 sys/un.h \
+sys/fsuid.h \
 sys/resource.h \
 )
 
+AC_CHECK_FUNCS(setfsuid setfsgid)
+
+if test "${ac_cv_func_setfsuid}" != "yes" || test "${ac_cv_func_setfsgid}" != "yes"; then
+    AC_MSG_ERROR([
+*** setfsguid and setfsgid cannot be found!!!
+    These are needed to support setuid/setgid applications ***])
+fi
+
 AC_TYPE_MODE_T
 AC_TYPE_PID_T
 AC_TYPE_UID_T
Index: slang-2.3.2/src/config.hin
===================================================================
--- slang-2.3.2.orig/src/config.hin
+++ slang-2.3.2/src/config.hin
@@ -201,6 +201,8 @@
 #undef HAVE_SYS_UN_H
 #undef socklen_t
 
+#undef HAVE_SYS_FSUID_H
+#undef HAVE_SETFSUID
 #undef HAVE_CONFSTR
 #undef HAVE_SYSCONF
 #undef HAVE_PATHCONF
Index: slang-2.3.2/src/slinclud.h
===================================================================
--- slang-2.3.2.orig/src/slinclud.h
+++ slang-2.3.2/src/slinclud.h
@@ -30,4 +30,8 @@
 # include <memory.h>
 #endif
 
+#ifdef HAVE_SYS_FSUID_H
+# include <sys/fsuid.h>
+#endif
+
 #endif				       /* _SLANG_INCLUDE_H_ */
Index: slang-2.3.2/src/sltermin.c
===================================================================
--- slang-2.3.2.orig/src/sltermin.c
+++ slang-2.3.2/src/sltermin.c
@@ -23,6 +23,9 @@ Foundation, Inc., 59 Temple Place - Suit
 USA.
 */
 
+#include <unistd.h>
+#include <sys/types.h>
+
 #include "slinclud.h"
 
 #include "slang.h"
@@ -142,7 +145,32 @@ static FILE *open_terminfo (char *file,
     * I will also look into the use of setreuid, seteuid and setregid, setegid.
     * FIXME: Priority=medium
     */
+   /* If your system lacks setfsuid/getfsuid either write
+      equivalent support or dont use slang to build setuid/setgid
+      apps like Mutt */
+
+   if(setfsuid(getuid())==-1)
+   {
+       perror("setfsuid");
+       return NULL;
+   }
+   if(setfsgid(getgid())==-1)
+   {
+       perror("setfsgid");
+       return NULL;
+   }
    fp = fopen (file, "rb");
+   if(setfsuid(geteuid())==-1)
+   {
+       perror("setfsuid");
+       return NULL;
+   }
+   if(setfsgid(getegid())==-1)
+   {
+       perror("setfsgid");
+       return NULL;
+   }
+
    if (fp == NULL) return NULL;
 
    if (12 != fread ((char *)buf, 1, 12, fp))

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