system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-09-06 17:18:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

Be a little bit more pestimistic in argument handling - check if we've

Browse source 
overflown our internal buffer (though after the fact), and s/strncpy/strlcpy/

Reviewed by:	rodrigc
Obtained from:	Juniper Networks
This commit is contained in:
David E. O'Brien 2008-12-18 18:44:46 +00:00
parent 5773d864f9
commit fce5f960ba
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=186291
2 changed files with 8 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
sbin/mount/mount.c
View file

@ -68,6 +68,8 @@ static const char rcsid[] =
#define MOUNT_META_OPTION_FSTAB "fstab"
#define MOUNT_META_OPTION_CURRENT "current"
#define MAX_ARGS 100
int debug, fstab_style, verbose;
char *catopt(char *, const char *);
@ -501,7 +503,7 @@ int
mountfs(const char *vfstype, const char *spec, const char *name, int flags,
const char *options, const char *mntopts)
{
char *argv[100];
char *argv[MAX_ARGS];
struct statfs sf;
int argc, i, ret;
char *optbuf, execname[PATH_MAX], mntpath[PATH_MAX];
@ -546,6 +548,10 @@ mountfs(const char *vfstype, const char *spec, const char *name, int flags,
argv[argc++] = strdup(name);
argv[argc] = NULL;
if (MAX_ARGS <= argc )
errx(1, "Cannot process more than %d mount arguments",
MAX_ARGS);
if (debug) {
if (use_mountprog(vfstype))
printf("exec: mount_%s", vfstype);

2
sbin/mount/mount_fs.c
View file

@ -88,7 +88,7 @@ mount_fs(const char *vfstype, int argc, char *argv[])
char *p, *val;
int ret;
strncpy(fstype, vfstype, sizeof(fstype));
strlcpy(fstype, vfstype, sizeof(fstype));
memset(errmsg, 0, sizeof(errmsg));
getmnt_silent = 1;