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| author | Timo Teras <timo.teras@iki.fi> | 2009-08-11 19:02:22 +0300 |
|---|---|---|
| committer | Timo Teras <timo.teras@iki.fi> | 2009-08-11 19:02:22 +0300 |
| commit | addae04c266401cf049f1188917bf3432873933c (patch) | |
| tree | e2469e26d79fa4b8828d95271fe1e740559019e3 /src/io.c | |
| parent | 949d375aa9c9a7fe9cec85740df9de296fab095f (diff) | |
| download | apk-tools-addae04c266401cf049f1188917bf3432873933c.tar.gz apk-tools-addae04c266401cf049f1188917bf3432873933c.tar.bz2 apk-tools-addae04c266401cf049f1188917bf3432873933c.tar.xz apk-tools-addae04c266401cf049f1188917bf3432873933c.zip | |
db, audit: audit symlinks (by hash of the link target)
Diffstat (limited to 'src/io.c')
| -rw-r--r-- | src/io.c | 15 |
1 files changed, 14 insertions, 1 deletions
@@ -488,12 +488,25 @@ int apk_file_get_info(int atfd, const char *filename, unsigned int flags, if (checksum == APK_CHECKSUM_NONE) return 0; + if ((flags & APK_FI_NOFOLLOW) && S_ISLNK(st.st_mode)) { + char *target = alloca(st.st_size); + if (target == NULL) + return -ENOMEM; + if (readlinkat(atfd, filename, target, st.st_size) < 0) + return -errno; + + EVP_Digest(target, st.st_size, fi->csum.data, NULL, + apk_checksum_evp(checksum), NULL); + fi->csum.type = checksum; + return 0; + } + bs = apk_bstream_from_file(atfd, filename); if (bs != NULL) { EVP_MD_CTX mdctx; apk_blob_t blob; - EVP_DigestInit(&mdctx, apk_get_digest(checksum)); + EVP_DigestInit(&mdctx, apk_checksum_evp(checksum)); if (bs->flags & APK_BSTREAM_SINGLE_READ) EVP_MD_CTX_set_flags(&mdctx, EVP_MD_CTX_FLAG_ONESHOT); while (!APK_BLOB_IS_NULL(blob = bs->read(bs, APK_BLOB_NULL))) |