File termcap-2.0.8-setuid.patch of Package termcap

Overview Repositories Revisions Requests Users Attributes Meta

File termcap-2.0.8-setuid.patch of Package termcap (Revision 1dd68ec761c2d94dd3af46589d501600)

Currently displaying revision 1dd68ec761c2d94dd3af46589d501600 , Show latest

Index: termcap-2.0.8/termcap.c
===================================================================
--- termcap-2.0.8.orig/termcap.c
+++ termcap-2.0.8/termcap.c
@@ -21,6 +21,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <malloc.h>
+#include <sys/fsuid.h>
 #include <string.h>
 #include <sys/ioctl.h>
 #include <termios.h>
@@ -342,13 +343,17 @@ static char *tc_read(struct tc_ent **tcp
   struct tc_ent *l = NULL;
   int first = 1;
   int loop = 0;
+  int tc_set = 0;
 
   *tcp = NULL;
 
   /* See if we have a TERMCAP environment variable. */
   if ((tc = getenv("TERMCAP")) != NULL) {
 	if (*tc == '/')
+	{
 		tc_file = tc;
+		tc_set=1;
+	}
 	else {
 		/* check if TERMCAP is term */
 		if (tc_comp(tc, term)) {
@@ -369,8 +374,28 @@ static char *tc_read(struct tc_ent **tcp
   printf("Using file %s\n", tc_file);
 #endif
 
+  if(tc_set)
+  {
+  	if (-1 == setfsuid(getuid())) {
+		perror("setfsuid");
+		return NULL;
+	}
+  	if (-1 == setfsgid(getgid())) {
+  		setfsuid(geteuid());
+		perror("setfsgid");
+		return NULL;
+	}
+  }
   /* Now read the termcap file. */
-  if ((fp = fopen(tc_file, "r")) == NULL) return(NULL);
+  fp = fopen(tc_file, "r");
+  
+  if(tc_set)
+  {
+  	setfsuid(geteuid());
+  	setfsgid(getegid());
+  }
+  if (fp == NULL)
+  	return(NULL);
 
   while(term) {
 	if (++loop > 16) {

Places

File termcap-2.0.8-setuid.patch of Package termcap (Revision 1dd68ec761c2d94dd3af46589d501600)

Places