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update from main archive 970122

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1997-01-23  Paul Eggert  <eggert@twinsun.com>

	* mktime.c (mktime): Invoke __tzset, not __tzset_internal, to set tz,
	so that tzname is set as POSIX requires.

Fri Jan 24 02:49:18 1997  Ulrich Drepper  <drepper@cygnus.com>

	* dirent/dirent.h: Declare readdir_r also when __USE_POSIX.
	* grp/grp.h: Declare *_r functions also when __USE_POSIX.
	* pwd/pwd.h: Likewise.
	* time/time.h: Likewise.
	* posix/unistd.h: Declare ttyname_r also when __USE_POSIX.
	* string/string.h: Declare strtok_r also when __USE_POSIX.

	* stdio-common/bug7.c: Use tmpnam to generate names for test files.

	* stdio-common/tmpnam.c: Update copyright.
	* stdio-common/tmpnam_r.c: Likewise.

	* sysdeps/unix/sysv/linux/alpha/sys/kernel_termios.h: Protect
	against multiple inclusion.  Include <termbits.h>.
	* sysdeps/unix/sysv/linux/sys/kernel_termios.h: Likewise.

	* sysdeps/unix/sysv/linux/net/if.h: Update according to recent
	kernel headers.  Patch by Philip Blundell <pjb27@cam.ac.uk>.

Thu Jan 23 17:42:00 1997  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/sparc/clone.S: Correct author attribution.

	* sysdeps/unix/sysv/linux/net/if_arp (MAX_ADDR_LEN): Add definition.

Thu Jan 23 14:20:34 1997  Ulrich Drepper  <drepper@cygnus.com>

	* time/tzfile.c (__tzfile_read): Don't allow arbitrary files to be
	read when running a setuid program.
This commit is contained in:
Ulrich Drepper
1997-01-24 02:23:54 +00:00
parent 8d57beeab1
commit 9d187dd4ad
21 changed files with 200 additions and 108 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
stdio-common/bug7.c
View File

@ -6,50 +6,62 @@ int
main (int argc, char *argv[])
{
int lose = 0;
char filename[] = "/tmp/foo";
char filename[L_tmpnam];
FILE *fp;
fp = fopen (filename, "w+");
fprintf (fp, "Hello world!\n");
fflush (fp);
fseek (fp, 5L, SEEK_SET);
if (fseek (fp, -1L, SEEK_CUR) < 0)
if (tmpnam (filename) == NULL)
{
printf ("seek failed\n");
printf ("tmpnam failed\n");
lose = 1;
}
fclose (fp);
remove (filename);
else
{
fp = fopen (filename, "w+");
fprintf (fp, "Hello world!\n");
fflush (fp);
fseek (fp, 5L, SEEK_SET);
if (fseek (fp, -1L, SEEK_CUR) < 0)
{
printf ("seek failed\n");
lose = 1;
}
fclose (fp);
remove (filename);
}
{
FILE *file1;
FILE *file2;
char filename1[] = "/tmp/foo";
char filename2[] = "/tmp/bar";
char filename1[L_tmpnam];
char filename2[L_tmpnam];
int ch;
file1 = fopen (filename1, "w");
fclose (file1);
file2 = fopen (filename2, "w");
fputc ('x', file2);
fclose (file2);
file1 = fopen (filename1, "r");
file2 = freopen (filename2, "r", file1);
if ((ch = fgetc (file2)) != 'x')
if (tmpnam (filename1) == NULL || tmpnam (filename2) == NULL)
{
printf ("wrong character in reopened file, value = %d\n", ch);
printf ("tmpnam failed\n");
lose = 1;
}
#if 0
/* Hey, how did this ever worked? `file1' is already closed!!!
-- drepper@gnu */
fclose (file1);
#endif
fclose (file2);
remove (filename1);
remove (filename2);
else
{
file1 = fopen (filename1, "w");
fclose (file1);
file2 = fopen (filename2, "w");
fputc ('x', file2);
fclose (file2);
file1 = fopen (filename1, "r");
file2 = freopen (filename2, "r", file1);
if ((ch = fgetc (file2)) != 'x')
{
printf ("wrong character in reopened file, value = %d\n", ch);
lose = 1;
}
fclose (file2);
remove (filename1);
remove (filename2);
}
}
puts (lose ? "Test FAILED!" : "Test succeeded.");