diff options
Diffstat (limited to 'src/archive.c')
| -rw-r--r-- | src/archive.c | 35 |
1 files changed, 26 insertions, 9 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; |