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This commit is contained in:
Kovid Goyal 2011-11-03 07:31:39 +05:30
parent f64a88cd37
commit 646071ecb0
1 changed files with 5 additions and 3 deletions
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8
src/calibre/devices/linux_mount_helper.c
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@ -9,6 +9,8 @@
#include <fcntl.h>
#define MARKER ".created_by_calibre_mount_helper"
#define DEV "/dev/"
#define MEDIA "/media/"
#define False 0
#define True 1
@ -34,17 +36,17 @@ void ensure_root() {
}
int check_args(const char *dev, const char *mp) {
if (dev == NULL || strlen(dev) < strlen("/dev/") || mp == NULL || strlen(mp) < strlen("/media/")) {
if (dev == NULL || strlen(dev) < strlen(DEV) || mp == NULL || strlen(mp) < strlen(MEDIA)) {
fprintf(stderr, "Invalid arguments\n");
return False;
}
if (strncmp("/media/", mp, strlen("/media/")) != 0) {
if (strncmp(MEDIA, mp, strlen("MEDIA")) != 0) {
fprintf(stderr, "Trying to operate on a mount point not under /media is not allowed\n");
return False;
}
if (strncmp("/dev/", dev, strlen("/dev/")) != 0) {
if (strncmp(DEV, dev, strlen(DEV)) != 0) {
fprintf(stderr, "Trying to operate on a dev node not under /dev\n");
return False;
}