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authorTimo Teras <timo.teras@iki.fi>2009-08-11 19:57:30 +0300
committerTimo Teras <timo.teras@iki.fi>2009-08-11 19:57:30 +0300
commitbd9835a20ee6b191c844ebba0433e5d321c976f4 (patch)
tree2567500ab2b8584ac07409e22eb8a9765a9b1bdc /src
parentaddae04c266401cf049f1188917bf3432873933c (diff)
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archive: update for new place of checksum in tar header
and take checksums for symlinks too.
Diffstat (limited to 'src')
-rw-r--r--src/archive.c35
-rw-r--r--src/database.c10
2 files changed, 26 insertions, 19 deletions
diff --git a/src/archive.c b/src/archive.c
index de141b6..8c1e798 100644
--- a/src/archive.c
+++ b/src/archive.c
@@ -50,7 +50,7 @@ struct apk_tar_digest_info {
char id[4];
uint16_t nid;
uint16_t size;
- char digest[];
+ unsigned char digest[];
};
#define GET_OCTAL(s) get_octal(s, sizeof(s))
@@ -124,12 +124,13 @@ int apk_tar_parse(struct apk_istream *is, apk_archive_entry_parser parser,
.tar_is = is,
};
struct tar_header buf;
- struct apk_tar_digest_info *di;
+ struct apk_tar_digest_info *odi, *di;
unsigned long offset = 0;
int end = 0, r;
size_t toskip;
- di = (struct apk_tar_digest_info *) &buf.linkname[3];
+ odi = (struct apk_tar_digest_info *) &buf.linkname[3];
+ di = (struct apk_tar_digest_info *) &buf.devmajor[0];
EVP_MD_CTX_init(&teis.mdctx);
memset(&entry, 0, sizeof(entry));
while ((r = is->read(is, &buf, 512)) == 512) {
@@ -155,6 +156,13 @@ int apk_tar_parse(struct apk_istream *is, apk_archive_entry_parser parser,
};
teis.csum = NULL;
+ if (memcmp(di->id, "APK2", 4) == 0 &&
+ di->size <= sizeof(entry.csum.data)) {
+ entry.csum.type = di->size;
+ memcpy(&entry.csum.data[0], buf.devminor, sizeof(buf.devminor));
+ memcpy(&entry.csum.data[sizeof(buf.devminor)], buf.padding, sizeof(buf.padding));
+ }
+
switch (buf.typeflag) {
case 'L':
if (entry.name != NULL)
@@ -168,12 +176,14 @@ int apk_tar_parse(struct apk_istream *is, apk_archive_entry_parser parser,
case '0':
case '7': /* regular file */
entry.mode |= S_IFREG;
- if (memcmp(di->id, "APK2", 4) == 0 &&
- di->size <= sizeof(entry.csum.data)) {
- entry.csum.type = di->size;
- memcpy(entry.csum.data, di->digest, di->size);
- } else if (soft_checksums) {
- teis.csum = &entry.csum;
+ if (entry.csum.type == APK_CHECKSUM_NONE) {
+ if (memcmp(odi->id, "APK2", 4) == 0 &&
+ odi->size <= sizeof(entry.csum.data)) {
+ entry.csum.type = odi->size;
+ memcpy(entry.csum.data, odi->digest,
+ odi->size);
+ } else if (soft_checksums)
+ teis.csum = &entry.csum;
}
break;
case '1': /* hard link */
@@ -183,6 +193,13 @@ int apk_tar_parse(struct apk_istream *is, apk_archive_entry_parser parser,
case '2': /* symbolic link */
entry.mode |= S_IFLNK;
entry.link_target = buf.linkname;
+ if (entry.csum.type == APK_CHECKSUM_NONE &&
+ soft_checksums) {
+ EVP_Digest(buf.linkname, strlen(buf.linkname),
+ entry.csum.data, NULL,
+ apk_checksum_default(), NULL);
+ entry.csum.type = APK_CHECKSUM_DEFAULT;
+ }
break;
case '3': /* char device */
entry.mode |= S_IFCHR;
diff --git a/src/database.c b/src/database.c
index 0348ef5..cafa47f 100644
--- a/src/database.c
+++ b/src/database.c
@@ -1567,16 +1567,6 @@ static int apk_db_install_archive_entry(void *_ctx,
struct apk_db_dir_instance *ldiri;
struct hlist_node *n;
- if (S_ISLNK(ae->mode)) {
- EVP_Digest(ae->link_target,
- strlen(ae->link_target),
- file->csum.data, NULL,
- apk_checksum_default(),
- NULL);
- file->csum.type = APK_CHECKSUM_DEFAULT;
- break;
- }
-
if (!apk_blob_rsplit(APK_BLOB_STR(ae->link_target),
'/', &bdir, &bfile))
break;