Esempio n. 1
0
static void
generate_full_revdeps_tree(struct xbps_handle *xhp)
{
	xbps_object_t obj;
	xbps_object_iterator_t iter;

	if (xhp->pkgdb_revdeps)
		return;

	xhp->pkgdb_revdeps = xbps_dictionary_create();
	assert(xhp->pkgdb_revdeps);

	iter = xbps_dictionary_iterator(xhp->pkgdb);
	assert(iter);

	while ((obj = xbps_object_iterator_next(iter))) {
		xbps_array_t rundeps;
		xbps_dictionary_t pkgd;
		const char *pkgver;

		pkgd = xbps_dictionary_get_keysym(xhp->pkgdb, obj);
		rundeps = xbps_dictionary_get(pkgd, "run_depends");
		if (!xbps_array_count(rundeps))
			continue;

		xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver", &pkgver);
		for (unsigned int i = 0; i < xbps_array_count(rundeps); i++) {
			xbps_array_t pkg;
			const char *pkgdep, *vpkgname;
			char *curpkgname;
			bool alloc = false;

			xbps_array_get_cstring_nocopy(rundeps, i, &pkgdep);
			curpkgname = xbps_pkgpattern_name(pkgdep);
			if (curpkgname == NULL)
				curpkgname = xbps_pkg_name(pkgdep);
			assert(curpkgname);
			vpkgname = vpkg_user_conf(xhp, curpkgname);
			if (vpkgname == NULL)
				vpkgname = curpkgname;

			pkg = xbps_dictionary_get(xhp->pkgdb_revdeps, vpkgname);
			if (pkg == NULL) {
				alloc = true;
				pkg = xbps_array_create();
			}
			if (!xbps_match_string_in_array(pkg, pkgver)) {
				xbps_array_add_cstring_nocopy(pkg, pkgver);
				xbps_dictionary_set(xhp->pkgdb_revdeps, vpkgname, pkg);
			}
			free(curpkgname);
			if (alloc)
				xbps_object_release(pkg);
		}
	}
	xbps_object_iterator_release(iter);
}
Esempio n. 2
0
static int
pkgdb_map_vpkgs(struct xbps_handle *xhp)
{
	xbps_object_iterator_t iter;
	xbps_object_t obj;
	int rv = 0;

	if (!xbps_dictionary_count(xhp->pkgdb))
		return 0;

	if (xhp->vpkgd == NULL) {
		xhp->vpkgd = xbps_dictionary_create();
		assert(xhp->vpkgd);
	}
	/*
	 * This maps all pkgs that have virtualpkgs in pkgdb.
	 */
	iter = xbps_dictionary_iterator(xhp->pkgdb);
	assert(iter);

	while ((obj = xbps_object_iterator_next(iter))) {
		xbps_array_t provides;
		xbps_dictionary_t pkgd;
		const char *pkgver;
		char *pkgname;

		pkgd = xbps_dictionary_get_keysym(xhp->pkgdb, obj);
		provides = xbps_dictionary_get(pkgd, "provides");
		if (provides == NULL)
			continue;

		xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver", &pkgver);
		pkgname = xbps_pkg_name(pkgver);
		assert(pkgname);

		for (unsigned int i = 0; i < xbps_array_count(provides); i++) {
			const char *vpkg;

			xbps_array_get_cstring_nocopy(provides, i, &vpkg);
			if (!xbps_dictionary_set_cstring(xhp->vpkgd, vpkg, pkgname)) {
				xbps_dbg_printf(xhp, "%s: set_cstring vpkg "
				    "%s pkgname %s\n", __func__, vpkg, pkgname);
				rv = EINVAL;
			} else {
				xbps_dbg_printf(xhp, "[pkgdb] added vpkg %s for %s\n",
				    vpkg, pkgname);
			}
		}
		free(pkgname);
	}
	xbps_object_iterator_release(iter);
	return rv;
}
Esempio n. 3
0
bool HIDDEN
xbps_transaction_shlibs(struct xbps_handle *xhp, xbps_array_t pkgs, xbps_array_t mshlibs)
{
	xbps_object_t obj;
	xbps_object_iterator_t iter;
	xbps_dictionary_t shrequires, shprovides;
	bool unmatched = false;

	shrequires = collect_shlibs(xhp, pkgs, true);
	shprovides = collect_shlibs(xhp, pkgs, false);

	/* iterate over shlib-requires to find unmatched shlibs */
	iter = xbps_dictionary_iterator(shrequires);
	assert(iter);

	while ((obj = xbps_object_iterator_next(iter))) {
		xbps_array_t array;
		const char *pkgver, *shlib;
		char *buf;

		shlib = xbps_dictionary_keysym_cstring_nocopy(obj);
		xbps_dbg_printf(xhp, "%s: checking for `%s': ", __func__, shlib);
		if (xbps_dictionary_get(shprovides, shlib)) {
			xbps_dbg_printf_append(xhp, "found\n");
			continue;
		}
		xbps_dbg_printf_append(xhp, "not found\n");

		unmatched = true;
		array = xbps_dictionary_get_keysym(shrequires, obj);
		for (unsigned int i = 0; i < xbps_array_count(array); i++) {
			xbps_array_get_cstring_nocopy(array, i, &pkgver);
			buf = xbps_xasprintf("%s: broken, unresolvable "
			    "shlib `%s'", pkgver, shlib);
			xbps_array_add_cstring(mshlibs, buf);
			free(buf);
		}
		xbps_object_release(array);
	}
	xbps_object_iterator_release(iter);
	xbps_object_release(shprovides);

	return unmatched;
}
Esempio n. 4
0
int
sign_repo(struct xbps_handle *xhp, const char *repodir,
	const char *privkey, const char *signedby)
{
	struct stat st;
	struct xbps_repo *repo;
	xbps_dictionary_t pkgd, meta = NULL;
	xbps_data_t data = NULL, rpubkey = NULL;
	xbps_object_iterator_t iter = NULL;
	xbps_object_t obj;
	RSA *rsa = NULL;
	unsigned char *sig;
	unsigned int siglen;
	uint16_t rpubkeysize, pubkeysize;
	const char *arch, *pkgver, *rsignedby = NULL;
	char *binpkg = NULL, *binpkg_sig = NULL, *buf = NULL, *defprivkey = NULL;
	int binpkg_fd, binpkg_sig_fd, rv = 0;
	bool flush = false;

	if (signedby == NULL) {
		fprintf(stderr, "--signedby unset! cannot sign repository\n");
		return -1;
	}

	/*
	 * Check that repository index exists and not empty, otherwise bail out.
	 */
	repo = xbps_repo_open(xhp, repodir, true);
	if (repo == NULL) {
		rv = errno;
		fprintf(stderr, "%s: cannot read repository data: %s\n",
		    _XBPS_RINDEX, strerror(errno));
		goto out;
	}
	if (xbps_dictionary_count(repo->idx) == 0) {
		fprintf(stderr, "%s: invalid repository, existing!\n", _XBPS_RINDEX);
		rv = EINVAL;
		goto out;
	}
	/*
	 * If privkey not set, default to ~/.ssh/id_rsa.
	 */
	if (privkey == NULL)
		defprivkey = xbps_xasprintf("%s/.ssh/id_rsa", getenv("HOME"));
	else
		defprivkey = strdup(privkey);

	ERR_load_crypto_strings();
	OpenSSL_add_all_algorithms();
	OpenSSL_add_all_ciphers();
	OpenSSL_add_all_digests();

	if ((rsa = load_rsa_privkey(defprivkey)) == NULL) {
		fprintf(stderr, "%s: failed to read the RSA privkey\n", _XBPS_RINDEX);
		rv = EINVAL;
		goto out;
	}
	/*
	 * Iterate over the idx dictionary and then sign all binary
	 * packages in this repository.
	 */
	iter = xbps_dictionary_iterator(repo->idx);
	assert(iter);

	while ((obj = xbps_object_iterator_next(iter))) {
		pkgd = xbps_dictionary_get_keysym(repo->idx, obj);
		xbps_dictionary_get_cstring_nocopy(pkgd, "architecture", &arch);
		xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver", &pkgver);

		binpkg = xbps_xasprintf("%s/%s.%s.xbps", repodir, pkgver, arch);
		binpkg_sig = xbps_xasprintf("%s.sig", binpkg);
		/*
		 * Skip pkg if file signature exists
		 */
		if ((binpkg_sig_fd = access(binpkg_sig, R_OK)) == 0) {
			if (xhp->flags & XBPS_FLAG_VERBOSE)
				fprintf(stderr, "skipping %s, file signature found.\n", pkgver);
			free(binpkg);
			free(binpkg_sig);
			close(binpkg_sig_fd);
			continue;
		}
		/*
		 * Generate pkg file signature.
		 */
		if ((binpkg_fd = open(binpkg, O_RDONLY)) == -1) {
			fprintf(stderr, "cannot read %s: %s\n", binpkg, strerror(errno));
			free(binpkg);
			free(binpkg_sig);
			continue;
		}
		fstat(binpkg_fd, &st);
		buf = malloc(st.st_size);
		assert(buf);
		if (read(binpkg_fd, buf, st.st_size) != st.st_size) {
			fprintf(stderr, "failed to read %s: %s\n", binpkg, strerror(errno));
			close(binpkg_fd);
			free(buf);
			free(binpkg);
			free(binpkg_sig);
			continue;
		}
		close(binpkg_fd);
		if (!rsa_sign_buf(rsa, buf, st.st_size, &sig, &siglen)) {
			fprintf(stderr, "failed to sign %s: %s\n", binpkg, strerror(errno));
			free(buf);
			free(binpkg);
			free(binpkg_sig);
			continue;
		}
		free(buf);
		free(binpkg);
		/*
		 * Write pkg file signature.
		 */
		binpkg_sig_fd = creat(binpkg_sig, 0644);
		if (binpkg_sig_fd == -1) {
			fprintf(stderr, "failed to create %s: %s\n", binpkg_sig, strerror(errno));
			free(sig);
			free(binpkg_sig);
			continue;
		}
		if (write(binpkg_sig_fd, sig, siglen) != (ssize_t)siglen) {
			fprintf(stderr, "failed to write %s: %s\n", binpkg_sig, strerror(errno));
			free(sig);
			free(binpkg_sig);
			close(binpkg_sig_fd);
			continue;
		}
		free(sig);
		free(binpkg_sig);
		close(binpkg_sig_fd);
		printf("signed successfully %s\n", pkgver);
	}
	xbps_object_iterator_release(iter);
	/*
	 * Check if repository index-meta contains changes compared to its
	 * current state.
	 */
	if ((buf = pubkey_from_privkey(rsa)) == NULL) {
		rv = EINVAL;
		goto out;
	}
	meta = xbps_dictionary_create();

	data = xbps_data_create_data(buf, strlen(buf));
	rpubkey = xbps_dictionary_get(repo->idxmeta, "public-key");
	if (!xbps_data_equals(rpubkey, data))
		flush = true;

	free(buf);

	pubkeysize = RSA_size(rsa) * 8;
	xbps_dictionary_get_uint16(repo->idxmeta, "public-key-size", &rpubkeysize);
	if (rpubkeysize != pubkeysize)
		flush = true;

	xbps_dictionary_get_cstring_nocopy(repo->idxmeta, "signature-by", &rsignedby);
	if (rsignedby == NULL || strcmp(rsignedby, signedby))
		flush = true;

	if (!flush)
		goto out;

	xbps_dictionary_set(meta, "public-key", data);
	xbps_dictionary_set_uint16(meta, "public-key-size", pubkeysize);
	xbps_dictionary_set_cstring_nocopy(meta, "signature-by", signedby);
	xbps_dictionary_set_cstring_nocopy(meta, "signature-type", "rsa");
	xbps_object_release(data);
	data = NULL;

	if (!repodata_flush(xhp, repodir, repo->idx, meta)) {
		fprintf(stderr, "failed to write repodata: %s\n", strerror(errno));
		goto out;
	}
	printf("Signed repository (%u package%s)\n",
	    xbps_dictionary_count(repo->idx),
	    xbps_dictionary_count(repo->idx) == 1 ? "" : "s");

out:
	if (defprivkey) {
		free(defprivkey);
	}
	if (rsa) {
		RSA_free(rsa);
		rsa = NULL;
	}
	if (repo) {
		xbps_repo_close(repo);
	}
	return rv ? -1 : 0;
}
Esempio n. 5
0
static xbps_array_t
revdeps_match(struct xbps_repo *repo, xbps_dictionary_t tpkgd, const char *str)
{
	xbps_dictionary_t pkgd;
	xbps_array_t revdeps = NULL, pkgdeps, provides;
	xbps_object_iterator_t iter;
	xbps_object_t obj;
	const char *pkgver, *tpkgver, *arch, *vpkg;

	iter = xbps_dictionary_iterator(repo->idx);
	assert(iter);

	while ((obj = xbps_object_iterator_next(iter))) {
		pkgd = xbps_dictionary_get_keysym(repo->idx, obj);
		if (xbps_dictionary_equals(pkgd, tpkgd))
			continue;

		pkgdeps = xbps_dictionary_get(pkgd, "run_depends");
		if (!xbps_array_count(pkgdeps))
			continue;
		/*
		 * Try to match passed in string.
		 */
		if (str) {
			if (!xbps_match_pkgdep_in_array(pkgdeps, str))
				continue;
			xbps_dictionary_get_cstring_nocopy(pkgd,
			    "architecture", &arch);
			if (!xbps_pkg_arch_match(repo->xhp, arch, NULL))
				continue;

			xbps_dictionary_get_cstring_nocopy(pkgd,
			    "pkgver", &tpkgver);
			/* match */
			if (revdeps == NULL)
				revdeps = xbps_array_create();

			if (!xbps_match_string_in_array(revdeps, tpkgver))
				xbps_array_add_cstring_nocopy(revdeps, tpkgver);

			continue;
		}
		/*
		 * Try to match any virtual package.
		 */
		provides = xbps_dictionary_get(tpkgd, "provides");
		for (unsigned int i = 0; i < xbps_array_count(provides); i++) {
			xbps_array_get_cstring_nocopy(provides, i, &vpkg);
			if (!xbps_match_pkgdep_in_array(pkgdeps, vpkg))
				continue;

			xbps_dictionary_get_cstring_nocopy(pkgd,
			    "architecture", &arch);
			if (!xbps_pkg_arch_match(repo->xhp, arch, NULL))
				continue;

			xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver",
			    &tpkgver);
			/* match */
			if (revdeps == NULL)
				revdeps = xbps_array_create();

			if (!xbps_match_string_in_array(revdeps, tpkgver))
				xbps_array_add_cstring_nocopy(revdeps, tpkgver);
		}
		/*
		 * Try to match by pkgver.
		 */
		xbps_dictionary_get_cstring_nocopy(tpkgd, "pkgver", &pkgver);
		if (!xbps_match_pkgdep_in_array(pkgdeps, pkgver))
			continue;

		xbps_dictionary_get_cstring_nocopy(pkgd,
		    "architecture", &arch);
		if (!xbps_pkg_arch_match(repo->xhp, arch, NULL))
			continue;

		xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver", &tpkgver);
		/* match */
		if (revdeps == NULL)
			revdeps = xbps_array_create();

		if (!xbps_match_string_in_array(revdeps, tpkgver))
			xbps_array_add_cstring_nocopy(revdeps, tpkgver);
	}
	xbps_object_iterator_release(iter);
	return revdeps;
}
Esempio n. 6
0
static xbps_dictionary_t
collect_shlibs(struct xbps_handle *xhp, xbps_array_t pkgs, bool req)
{
	xbps_object_t obj;
	xbps_object_iterator_t iter;
	xbps_dictionary_t d, pd;
	const char *pkgver;

	d = xbps_dictionary_create();
	assert(d);

	/* copy pkgdb to out temporary dictionary */
	pd = xbps_dictionary_copy(xhp->pkgdb);
	assert(pd);

	/*
	 * copy pkgs from transaction to our dictionary, overriding them
	 * if they were there from pkgdb.
	 */
	iter = xbps_array_iterator(pkgs);
	assert(iter);
	while ((obj = xbps_object_iterator_next(iter))) {
		char *pkgname;

		if (!xbps_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver))
			continue;

		pkgname = xbps_pkg_name(pkgver);
		assert(pkgname);
		xbps_dictionary_set(pd, pkgname, obj);
		free(pkgname);
	}
	xbps_object_iterator_release(iter);

	/*
	 * iterate over our dictionary to collect shlib-{requires,provides}.
	 */
	iter = xbps_dictionary_iterator(pd);
	assert(iter);

	while ((obj = xbps_object_iterator_next(iter))) {
		xbps_array_t shobjs;
		xbps_dictionary_t pkgd;
		const char *trans;

		pkgd = xbps_dictionary_get_keysym(pd, obj);
		if (xbps_dictionary_get_cstring_nocopy(pkgd, "transaction", &trans)) {
			if (!strcmp(trans, "remove"))
				continue;
		}
		/*
		 * If pkg does not have the required obj, pass to next one.
		 */
		xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver", &pkgver);
		shobjs = xbps_dictionary_get(pkgd,
				req ? "shlib-requires" : "shlib-provides");
		if (shobjs == NULL)
			continue;

		for (unsigned int i = 0; i < xbps_array_count(shobjs); i++) {
			const char *shlib;

			xbps_array_get_cstring_nocopy(shobjs, i, &shlib);
			xbps_dbg_printf(xhp, "%s: registering %s for %s\n",
			    pkgver, shlib, req ? "shlib-requires" : "shlib-provides");
			if (req)
				shlib_register(d, shlib, pkgver);
			else
				xbps_dictionary_set_cstring_nocopy(d, shlib, pkgver);
		}
	}
	xbps_object_iterator_release(iter);
	return d;
}
Esempio n. 7
0
static bool
repodata_commit(struct xbps_handle *xhp, const char *repodir,
	xbps_dictionary_t idx, xbps_dictionary_t meta, xbps_dictionary_t stage) {
	const char *pkgname;
	xbps_object_iterator_t iter;
	xbps_object_t keysym;
	int rv;

	if(xbps_dictionary_count(stage) == 0) {
		// Nothing to do.
		return true;
	}

	/*
	 * Find old shlibs-provides
	 */
	xbps_dictionary_t oldshlibs = xbps_dictionary_create();
	xbps_dictionary_t usedshlibs = xbps_dictionary_create();

	iter = xbps_dictionary_iterator(stage);
	while ((keysym = xbps_object_iterator_next(iter))) {
		pkgname = xbps_dictionary_keysym_cstring_nocopy(keysym);
		xbps_dictionary_t oldpkg = xbps_dictionary_get(idx, pkgname);

		xbps_array_t pkgshlibs = xbps_dictionary_get(oldpkg, "shlib-provides");
		for(unsigned int i = 0; i < xbps_array_count(pkgshlibs); i++) {
			const char *shlib = NULL;
			xbps_array_get_cstring_nocopy(pkgshlibs, i, &shlib);
			xbps_dictionary_set_cstring(oldshlibs, shlib, pkgname);
		}
	}
	xbps_object_iterator_release(iter);

	/*
	 * throw away all unused shlibs
	 */
	iter = xbps_dictionary_iterator(idx);
	while ((keysym = xbps_object_iterator_next(iter))) {
		pkgname = xbps_dictionary_keysym_cstring_nocopy(keysym);
		xbps_dictionary_t pkg = xbps_dictionary_get(stage, pkgname);
		if(!pkg)
			pkg = xbps_dictionary_get_keysym(idx, keysym);
		xbps_array_t pkgshlibs = xbps_dictionary_get(pkg, "shlib-requires");

		for(unsigned int i = 0; i < xbps_array_count(pkgshlibs); i++) {
			const char *shlib = NULL, *user = NULL;
			xbps_array_get_cstring_nocopy(pkgshlibs, i, &shlib);
			xbps_dictionary_get_cstring_nocopy(pkg, shlib, &user);
			if(!user)
				continue;
			xbps_array_t users = xbps_dictionary_get(usedshlibs, shlib);
			if(!users) {
				users = xbps_array_create();
				xbps_dictionary_set(usedshlibs, shlib, users);
			}
			xbps_array_add_cstring(users, user);
		}
	}
	xbps_object_iterator_release(iter);

	/*
	 * purge all packages that are fullfilled by the stage
	 */
	iter = xbps_dictionary_iterator(stage);
	while ((keysym = xbps_object_iterator_next(iter))) {
		pkgname = xbps_dictionary_keysym_cstring_nocopy(keysym);
		xbps_dictionary_t newpkg = xbps_dictionary_get(idx, pkgname);

		xbps_array_t pkgshlibs = xbps_dictionary_get(newpkg, "shlib-provides");
		for(unsigned int i = 0; i < xbps_array_count(pkgshlibs); i++) {
			const char *shlib;
			xbps_array_get_cstring_nocopy(pkgshlibs, i, &shlib);
			xbps_dictionary_remove(usedshlibs, shlib);
		}
	}
	xbps_object_iterator_release(iter);

	if(xbps_dictionary_count(usedshlibs) != 0) {
		puts("Unfullfilled shlibs:");
		iter = xbps_dictionary_iterator(usedshlibs);
		while ((keysym = xbps_object_iterator_next(iter))) {
			const char *shlib = xbps_dictionary_keysym_cstring_nocopy(keysym), *provider = NULL;
			xbps_array_t users = xbps_dictionary_get(usedshlibs, shlib);
			xbps_dictionary_get_cstring_nocopy(usedshlibs, shlib, &provider);

			printf(" %s (provided by: %s; used by: ", shlib, provider);
			const char *pre = "";
			for(unsigned int i = 0; i < xbps_array_count(users); i++) {
				const char *user;
				xbps_array_get_cstring_nocopy(users, i, &user);
				xbps_dictionary_remove(usedshlibs, shlib);
				printf("%s%s",pre, user);
				pre = ", ";
			}
			puts(")");
		}
		puts("Changes are commit to stage.");
		xbps_object_iterator_release(iter);
		// TODO FLUSH STAGE
		rv = true;
	}
	else {
		iter = xbps_dictionary_iterator(stage);
		while ((keysym = xbps_object_iterator_next(iter))) {
			pkgname = xbps_dictionary_keysym_cstring_nocopy(keysym);
			xbps_dictionary_t newpkg = xbps_dictionary_get_keysym(stage, keysym);
			xbps_dictionary_set(idx, pkgname, newpkg);
		}
		xbps_object_iterator_release(iter);
		rv = repodata_flush(xhp, repodir, idx, meta);
	}
	xbps_object_release(usedshlibs);
	xbps_object_release(oldshlibs);
	return rv;
}