diff options
| author | Patrick McDermott <patrick.mcdermott@libiquity.com> | 2023-04-13 02:06:22 (EDT) |
|---|---|---|
| committer | Patrick McDermott <patrick.mcdermott@libiquity.com> | 2023-04-13 03:24:49 (EDT) |
| commit | 7fff5e5955591ada15f4633a31932dc9d6c8086d (patch) | |
| tree | 8d89d0f3cc4c6b55e7d28f5224b4557377faa5e6 | |
| parent | 05ad0bdfa97117cee96bf4bc6ab131e1aaaed5ec (diff) | |
ustar: Verify magic
| -rw-r--r-- | src/ustar.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/ustar.c b/src/ustar.c index 6388d76..63998ec 100644 --- a/src/ustar.c +++ b/src/ustar.c @@ -20,6 +20,7 @@ #include <stdint.h> #include <stdio.h> #include <stdlib.h> +#include <string.h> #include "defs.h" #include "gzip.h" #include "ustar.h" @@ -62,6 +63,10 @@ _opkg_opk_ustar_next(struct opkg_opk_gzip_state *gzip_state, const char *member, case OPKG_OPK_ERROR: return OPKG_OPK_ERROR; } + if (strncmp(header->magic, "ustar", strlen("ustar")) != 0) { + return OPKG_OPK_ERROR; + } + size = strtol(header->size, &size_end, 10); if (*size_end != '\0') { return OPKG_OPK_ERROR; |