SHA256
1
0
forked from pool/man
man/man-db-2.5.1-security4.dif

33 lines
866 B
Plaintext

--- src/mandb.c
+++ src/mandb.c 2008-04-21 13:06:01.440910914 +0200
@@ -36,6 +36,7 @@
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h> /* for chmod() */
+#include <fcntl.h> /* for open () */
#include <dirent.h>
#include <unistd.h>
@@ -414,11 +415,20 @@ static short mandb (const char *catpath,
char pid[23];
short amount;
char *dbname;
+ int fd;
dbname = mkdbname (catpath);
sprintf (pid, "%d", getpid ());
database = appendstr (NULL, catpath, "/", pid, NULL);
-
+
+ /* Just for the case that catpath isn't a system catpath */
+ drop_effective_privs ();
+ fd = open (database, O_WRONLY | O_CREAT | O_EXCL, 0644);
+ regain_effective_privs ();
+ if (fd < 0)
+ error (FATAL, errno, _("can't create a temporary filename"));
+ close(fd);
+
if (!quiet)
printf (_("Processing manual pages under %s...\n"), manpath);
#ifdef NDBM