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no slashes in subvolume names

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This commit is contained in:
Chris Mason 2007-06-12 08:21:28 -04:00 committed by David Woodhouse
parent 38ef945266
commit 9ea6a6fd92
1 changed files with 10 additions and 2 deletions

12
btrfsctl.c
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@ -38,6 +38,7 @@ int main(int ac, char **av)
struct stat st; struct stat st;
DIR *dirstream; DIR *dirstream;
unsigned long command = 0; unsigned long command = 0;
int len;
for (i = 1; i < ac - 1; i++) { for (i = 1; i < ac - 1; i++) {
if (strcmp(av[i], "-s") == 0) { if (strcmp(av[i], "-s") == 0) {
@ -46,8 +47,15 @@ int main(int ac, char **av)
print_usage(); print_usage();
} }
name = av[i + 1]; name = av[i + 1];
if (strlen(name) >= BTRFS_VOL_NAME_MAX) { len = strlen(name);
fprintf(stderr, "snapshot name is too long\n"); if (len == 0 || len >= BTRFS_VOL_NAME_MAX) {
fprintf(stderr,
"snapshot name zero length or too long\n");
exit(1);
}
if (strchr(name, '/')) {
fprintf(stderr,
"error: / not allowed in names\n");
exit(1); exit(1);
} }
command = BTRFS_IOC_SNAP_CREATE; command = BTRFS_IOC_SNAP_CREATE;