C++ (Cpp) pkg_checksum_validate_file Examples

Example #1

File: checksum.c Project: heliocentric/pkg

ATF_TC_BODY(check_symlinks, tc)
{
	unsigned char *sum;

	ATF_REQUIRE_EQ(symlink("foo", "bar"), 0);

	sum = pkg_checksum_symlink("bar", PKG_HASH_TYPE_SHA256_HEX);
	ATF_REQUIRE_STREQ(sum, "2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae");

	ATF_CHECK(pkg_checksum_validate_file("bar", "2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae") == 0);
	free(sum);

	sum = pkg_checksum_generate_file("bar", PKG_HASH_TYPE_SHA256_HEX);
	ATF_REQUIRE_STREQ(sum, "1$2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae");
	free(sum);

	sum = pkg_checksum_generate_file("bar", PKG_HASH_TYPE_BLAKE2_BASE32);
	ATF_REQUIRE_STREQ(sum, "2$kgygnaah7wxsgn1wkuic4j78zq8dicmx53picmma99ogmkbd7k5nhuxr5xxemz6yzjab15oor3tjt7nupj8mh764y7kddbne7qw9agn");
	free(sum);

	ATF_CHECK(pkg_checksum_validate_file("bar", "2$kgygnaah7wxsgn1wkuic4j78zq8dicmx53picmma99ogmkbd7k5nhuxr5xxemz6yzjab15oor3tjt7nupj8mh764y7kddbne7qw9agn") == 0);
	ATF_CHECK(pkg_checksum_validate_file("bar", "1$2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae") == 0);
}

Example #2

File: checksum.c Project: heliocentric/pkg

ATF_TC_BODY(check_files, tc)
{
	FILE *f;
	unsigned char *sum;

	f = fopen("foo", "w");
	fprintf(f, "bar\n");
	fclose(f);

	sum = pkg_checksum_file("foo", PKG_HASH_TYPE_SHA256_HEX);
	ATF_REQUIRE_STREQ(sum, "7d865e959b2466918c9863afca942d0fb89d7c9ac0c99bafc3749504ded97730");

	ATF_CHECK(pkg_checksum_validate_file("foo", "7d865e959b2466918c9863afca942d0fb89d7c9ac0c99bafc3749504ded97730") == 0);
	free(sum);

	sum=pkg_checksum_generate_file("foo", PKG_HASH_TYPE_SHA256_HEX);
	ATF_REQUIRE_STREQ(sum, "1$7d865e959b2466918c9863afca942d0fb89d7c9ac0c99bafc3749504ded97730");
}

Example #3

File: fetch.c Project: Moscarda/pkg

static int
pkg_repo_binary_try_fetch(struct pkg_repo *repo, struct pkg *pkg,
	bool already_tried, bool mirror, const char *destdir)
{
	char dest[MAXPATHLEN];
	char url[MAXPATHLEN];
	char *dir = NULL;
	bool fetched = false;
	struct stat st;
	char *path = NULL;
	const char *packagesite = NULL;
	ssize_t offset = -1;

	int retcode = EPKG_OK;

	assert((pkg->type & PKG_REMOTE) == PKG_REMOTE);

	if (mirror) {
		const char *cachedir;

		if (destdir != NULL)
			cachedir = destdir;
		else
			cachedir = pkg_object_string(pkg_config_get("PKG_CACHEDIR"));

		snprintf(dest, sizeof(dest), "%s/%s", cachedir, pkg->repopath);
	}
	else
		pkg_repo_binary_get_cached_name(repo, pkg, dest, sizeof(dest));

	/* If it is already in the local cachedir, dont bother to
	 * download it */
	if (stat(dest, &st) == 0) {
		/* try to resume */
		if (pkg->pkgsize > st.st_size) {
			offset = st.st_size;
			pkg_debug(1, "Resuming fetch");
		} else {
			goto checksum;
		}
	}

	/* Create the dirs in cachedir */
	dir = strdup(dest);
	if (dir == NULL || (path = dirname(dir)) == NULL) {
		pkg_emit_errno("dirname", dest);
		retcode = EPKG_FATAL;
		goto cleanup;
	}

	if ((retcode = mkdirs(path)) != EPKG_OK)
		goto cleanup;

	/*
	 * In multi-repos the remote URL is stored in pkg[PKG_REPOURL]
	 * For a single attached database the repository URL should be
	 * defined by URL.
	 */
	packagesite = pkg_repo_url(repo);

	if (packagesite == NULL || packagesite[0] == '\0') {
		pkg_emit_error("URL is not defined");
		retcode = 1;
		goto cleanup;
	}

	if (packagesite[strlen(packagesite) - 1] == '/')
		pkg_snprintf(url, sizeof(url), "%S%R", packagesite, pkg);
	else
		pkg_snprintf(url, sizeof(url), "%S/%R", packagesite, pkg);

	if (!mirror && strncasecmp(packagesite, "file://", 7) == 0) {
		free(dir);
		return (EPKG_OK);
	}

	retcode = pkg_fetch_file(repo, url, dest, 0, offset, pkg->pkgsize);
	fetched = true;

	if (retcode != EPKG_OK)
		goto cleanup;

checksum:
	/*	checksum calculation is expensive, if size does not
		match, skip it and assume failed checksum. */
	if (stat(dest, &st) == -1 || pkg->pkgsize != st.st_size) {
		if (already_tried) {
			pkg_emit_error("cached package %s-%s: "
			    "size mismatch, cannot continue",
			    pkg->name, pkg->version);
			retcode = EPKG_FATAL;
			goto cleanup;
		}

		unlink(dest);
		free(dir);
		pkg_emit_error("cached package %s-%s: "
		    "size mismatch, fetching from remote",
		    pkg->name, pkg->version);
		return (pkg_repo_binary_try_fetch(repo, pkg, true, mirror, destdir));
	}
	if (pkg_checksum_validate_file(dest, pkg->sum) != 0) {
		if (already_tried || fetched) {
			pkg_emit_error("%s-%s failed checksum "
			    "from repository", pkg->name, pkg->version);
			retcode = EPKG_FATAL;
		} else {
			pkg_emit_error("cached package %s-%s: "
			    "checksum mismatch, fetching from remote",
			    pkg->name, pkg->version);
			unlink(dest);
			return (pkg_repo_binary_try_fetch(repo, pkg, true, mirror, destdir));
		}
	}

cleanup:

	if (retcode != EPKG_OK)
		unlink(dest);
	else if (!mirror && path != NULL) {
		(void)pkg_repo_binary_create_symlink(pkg, dest, path);
	}

	/* allowed even if dir is NULL */
	free(dir);

	return (retcode);
}