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qubes-restore: check for negative numbers from file data

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This commit is contained in:
Vincent Penquerc'h 2014-01-01 08:15:23 -05:00 committed by Marek Marczykowski-Górecki
parent cdbfa0b7eb
commit 8e16c0be34
1 changed files with 5 additions and 1 deletions
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6
dispvm/qubes-restore.c
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@ -378,7 +378,7 @@ int get_netvm_id_from_name(const char *name)
close(fd);
netvm_id[n] = 0;
n = atoi(netvm_id);
if (n == 0) {
if (n <= 0) {
fprintf(stderr, "bad netvm id\n");
exit(1);
}
@ -431,6 +431,10 @@ int get_next_disposable_id(void)
exit(1);
}
seq++;
if (seq < 0) {
fprintf(stderr, "Invalid data in dispVM.seq");
exit(1);
}
if (lseek(fd, 0, SEEK_SET) == (off_t)-1) {
perror("seek dispVM.seq");
exit(1);