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authorPatrick McDermott <patrick.mcdermott@libiquity.com>2023-04-30 05:04:46 (EDT)
committer Patrick McDermott <patrick.mcdermott@libiquity.com>2023-04-30 05:17:21 (EDT)
commitce9008874a492de45c7257f50fafa8c10d2c1eab (patch)
tree61f4d3895ba7ef9508fe1de9846cd0ec21da1576 /src
parent5fc9fd125430db57f352f978867ac1dfb63bc1d0 (diff)
ustar: Set magic+version+chksum in written header
Diffstat (limited to 'src')
-rw-r--r--src/ustar.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/src/ustar.c b/src/ustar.c
index 3c57ba5..0ecf36a 100644
--- a/src/ustar.c
+++ b/src/ustar.c
@@ -271,7 +271,10 @@ opkg_opk_ustar_write_header(struct opkg_opk_ustar *ustar,
uid_t uid, const char *uname, gid_t gid, const char *gname,
uint64_t size, char type, const char *linkname)
{
- size_t linkname_len;
+ size_t linkname_len;
+ uint32_t chksum;
+ size_t i;
+ char *header_uc;
if (opkg_opk_dirent_name_prefix(dirent,
ustar->header.name,
@@ -316,6 +319,19 @@ opkg_opk_ustar_write_header(struct opkg_opk_ustar *ustar,
}
memset(ustar->header.linkname, 0,
sizeof(ustar->header.linkname) - linkname_len);
+
+ strcpy(ustar->header.magic, "ustar");
+ memcpy(ustar->header.version, "00", 2);
+ chksum = 0;
+ for (i = 0; i < sizeof(ustar->header.chksum); ++i) {
+ ustar->header.chksum[i] = ' ';
+ }
+ header_uc = (char *) &ustar->header;
+ for (i = 0; i < OPKG_OPK_USTAR_RECORD_SIZE; ++i) {
+ chksum += header_uc[i];
+ }
+ sprintf(ustar->header.chksum, "%o", chksum);
+
if (opkg_opk_gzip_write(ustar->gzip, &ustar->header,
OPKG_OPK_USTAR_RECORD_SIZE, 0) != OPKG_OPK_OK) {
return OPKG_OPK_ERROR;