SHA256
1
0
forked from pool/man
man/man-db-2.4.1-security4.dif

33 lines
822 B
Plaintext

--- src/mandb.c
+++ src/mandb.c Fri Jul 11 17:48:41 2003
@@ -34,6 +34,7 @@
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h> /* for chmod() */
+#include <fcntl.h> /* for open () */
#if defined(STDC_HEADERS)
# include <string.h>
@@ -328,11 +331,20 @@
char pid[23];
short amount;
char *dbname;
+ int fd;
dbname = mkdbname (catpath);
sprintf (pid, "%d", getpid ());
database = strappend (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