static xbps_dictionary_t
get_pkg_in_array(xbps_array_t array, const char *str, bool virtual)
{
xbps_object_t obj = NULL;
xbps_object_iterator_t iter;
const char *pkgver;
char *dpkgn;
bool found = false;
iter = xbps_array_iterator(array);
assert(iter);
while ((obj = xbps_object_iterator_next(iter))) {
if (virtual) {
/*
* Check if package pattern matches
* any virtual package version in dictionary.
*/
if (xbps_pkgpattern_version(str))
found = xbps_match_virtual_pkg_in_dict(obj, str, true);
else
found = xbps_match_virtual_pkg_in_dict(obj, str, false);
if (found)
break;
} else if (xbps_pkgpattern_version(str)) {
/* match by pattern against pkgver */
if (!xbps_dictionary_get_cstring_nocopy(obj,
"pkgver", &pkgver))
continue;
if (xbps_pkgpattern_match(pkgver, str)) {
found = true;
break;
}
} else if (xbps_pkg_version(str)) {
/* match by exact pkgver */
if (!xbps_dictionary_get_cstring_nocopy(obj,
"pkgver", &pkgver))
continue;
if (strcmp(str, pkgver) == 0) {
found = true;
break;
}
} else {
/* match by pkgname */
if (!xbps_dictionary_get_cstring_nocopy(obj,
"pkgver", &pkgver))
continue;
dpkgn = xbps_pkg_name(pkgver);
assert(dpkgn);
if (strcmp(dpkgn, str) == 0) {
free(dpkgn);
found = true;
break;
}
free(dpkgn);
}
}
/*
* Verify reverse dependencies for packages in transaction.
* This will catch cases where a package update would break its reverse dependencies:
*
* - foo-1.0 is being updated to 2.0.
* - baz-1.1 depends on foo<2.0.
* - foo is updated to 2.0, hence baz-1.1 is currently broken.
*
* Abort transaction if such case is found.
*/
static bool
check_virtual_pkgs(xbps_array_t mdeps,
xbps_dictionary_t trans_pkgd,
xbps_dictionary_t rev_pkgd)
{
xbps_array_t provides;
bool matched = false;
provides = xbps_dictionary_get(trans_pkgd, "provides");
for (unsigned int i = 0; i < xbps_array_count(provides); i++) {
xbps_array_t rundeps;
const char *pkgver, *revpkgver, *pkgpattern;
char *pkgname, *vpkgname, *vpkgver, *str;
pkgver = revpkgver = pkgpattern = NULL;
pkgname = vpkgname = vpkgver = str = NULL;
xbps_dictionary_get_cstring_nocopy(trans_pkgd, "pkgver", &pkgver);
xbps_dictionary_get_cstring_nocopy(rev_pkgd, "pkgver", &revpkgver);
xbps_array_get_cstring(provides, i, &vpkgver);
vpkgname = xbps_pkg_name(vpkgver);
assert(vpkgname);
rundeps = xbps_dictionary_get(rev_pkgd, "run_depends");
for (unsigned int x = 0; x < xbps_array_count(rundeps); x++) {
xbps_array_get_cstring_nocopy(rundeps, x, &pkgpattern);
if (((pkgname = xbps_pkgpattern_name(pkgpattern)) == NULL) &&
((pkgname = xbps_pkg_name(pkgpattern)) == NULL))
continue;
if (strcmp(vpkgname, pkgname)) {
free(pkgname);
continue;
}
free(pkgname);
if (!strcmp(vpkgver, pkgpattern) ||
xbps_pkgpattern_match(vpkgver, pkgpattern)) {
continue;
}
str = xbps_xasprintf("%s broken, needs '%s' virtual pkg (got `%s')",
revpkgver, pkgpattern, vpkgver);
xbps_array_add_cstring(mdeps, str);
free(str);
matched = true;
}
free(vpkgname);
free(vpkgver);
}
return matched;
}
/*
* Verify reverse dependencies for packages in transaction.
* This will catch cases where a package update would break its reverse dependencies:
*
* - foo-1.0 is being updated to 2.0.
* - baz-1.1 depends on foo<2.0.
* - foo is updated to 2.0, hence baz-1.1 is currently broken.
*
* Abort transaction if such case is found.
*/
static bool
check_virtual_pkgs(struct xbps_handle *xhp,
xbps_dictionary_t trans_pkgd,
xbps_dictionary_t rev_pkgd)
{
xbps_array_t unsorted, provides, rundeps, mdeps;
const char *pkgver, *revpkgver, *pkgpattern;
char *pkgname, *pkgdepname, *vpkgname, *vpkgver, *str;
unsigned int i, x;
bool matched = false;
unsorted = xbps_dictionary_get(xhp->transd, "unsorted_deps");
provides = xbps_dictionary_get(trans_pkgd, "provides");
for (i = 0; i < xbps_array_count(provides); i++) {
char *tmp = NULL;
xbps_array_get_cstring(provides, i, &vpkgver);
if (strchr(vpkgver, '_') == NULL) {
tmp = xbps_xasprintf("%s_1", vpkgver);
vpkgver = strdup(tmp);
}
vpkgname = xbps_pkg_name(vpkgver);
assert(vpkgname);
rundeps = xbps_dictionary_get(rev_pkgd, "run_depends");
for (x = 0; x < xbps_array_count(rundeps); x++) {
xbps_array_get_cstring_nocopy(rundeps, x, &pkgpattern);
if (((pkgname = xbps_pkgpattern_name(pkgpattern)) == NULL) &&
((pkgname = xbps_pkg_name(pkgpattern)) == NULL))
continue;
if (strcmp(vpkgname, pkgname)) {
free(pkgname);
continue;
}
free(pkgname);
if (xbps_pkgpattern_match(vpkgver, pkgpattern))
continue;
/*
* Installed package conflicts with package
* in transaction being updated, check
* if a new version of this conflicting package
* is in the transaction.
*/
xbps_dictionary_get_cstring_nocopy(trans_pkgd, "pkgver", &pkgver);
pkgdepname = xbps_pkg_name(pkgver);
assert(pkgdepname);
if (xbps_find_pkg_in_array(unsorted, pkgdepname)) {
free(pkgdepname);
continue;
}
free(pkgdepname);
mdeps = xbps_dictionary_get(xhp->transd, "missing_deps");
xbps_dictionary_get_cstring_nocopy(trans_pkgd, "pkgver", &pkgver);
xbps_dictionary_get_cstring_nocopy(rev_pkgd, "pkgver", &revpkgver);
str = xbps_xasprintf("CONFLICT: `%s' update "
"breaks `%s', needs `%s' virtual pkg (got `%s`)",
pkgver, revpkgver, pkgpattern, vpkgver);
xbps_array_add_cstring(mdeps, str);
free(str);
matched = true;
}
free(vpkgname);
free(vpkgver);
}
return matched;
}
int
main(int argc, char **argv)
{
xbps_dictionary_t dict;
struct xbps_handle xh;
struct xferstat xfer;
const char *version, *rootdir = NULL, *confdir = NULL;
char *pkgname, *hash, *filename;
int flags = 0, c, rv = 0;
while ((c = getopt(argc, argv, "C:dr:V")) != -1) {
switch (c) {
case 'C':
confdir = optarg;
break;
case 'r':
/* To specify the root directory */
rootdir = optarg;
break;
case 'd':
flags |= XBPS_FLAG_DEBUG;
break;
case 'V':
printf("%s\n", XBPS_RELVER);
exit(EXIT_SUCCESS);
case '?':
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc < 1)
usage();
memset(&xh, 0, sizeof(xh));
if ((strcmp(argv[0], "version") == 0) ||
(strcmp(argv[0], "real-version") == 0) ||
(strcmp(argv[0], "arch") == 0) ||
(strcmp(argv[0], "getsystemdir") == 0) ||
(strcmp(argv[0], "fetch") == 0)) {
/*
* Initialize libxbps.
*/
xh.flags = flags;
xh.fetch_cb = fetch_file_progress_cb;
xh.fetch_cb_data = &xfer;
if (rootdir)
xbps_strlcpy(xh.rootdir, rootdir, sizeof(xh.rootdir));
if (confdir)
xbps_strlcpy(xh.confdir, confdir, sizeof(xh.confdir));
if ((rv = xbps_init(&xh)) != 0) {
xbps_error_printf("xbps-uhelper: failed to "
"initialize libxbps: %s.\n", strerror(rv));
exit(EXIT_FAILURE);
}
}
if (strcmp(argv[0], "version") == 0) {
/* Prints version of an installed package */
if (argc != 2)
usage();
if ((((dict = xbps_pkgdb_get_pkg(&xh, argv[1])) == NULL)) &&
(((dict = xbps_pkgdb_get_virtualpkg(&xh, argv[1])) == NULL)))
exit(EXIT_FAILURE);
xbps_dictionary_get_cstring_nocopy(dict, "pkgver", &version);
printf("%s\n", xbps_pkg_version(version));
} else if (strcmp(argv[0], "real-version") == 0) {
/* Prints version of an installed real package, not virtual */
if (argc != 2)
usage();
if ((dict = xbps_pkgdb_get_pkg(&xh, argv[1])) == NULL)
exit(EXIT_FAILURE);
xbps_dictionary_get_cstring_nocopy(dict, "pkgver", &version);
printf("%s\n", xbps_pkg_version(version));
} else if (strcmp(argv[0], "getpkgversion") == 0) {
/* Returns the version of a pkg string */
if (argc != 2)
usage();
version = xbps_pkg_version(argv[1]);
if (version == NULL) {
fprintf(stderr,
"Invalid string, expected <string>-<version>_<revision>\n");
exit(EXIT_FAILURE);
}
printf("%s\n", version);
} else if (strcmp(argv[0], "getpkgname") == 0) {
/* Returns the name of a pkg string */
if (argc != 2)
usage();
pkgname = xbps_pkg_name(argv[1]);
if (pkgname == NULL) {
fprintf(stderr,
"Invalid string, expected <string>-<version>_<revision>\n");
exit(EXIT_FAILURE);
}
printf("%s\n", pkgname);
free(pkgname);
} else if (strcmp(argv[0], "getpkgrevision") == 0) {
/* Returns the revision of a pkg string */
if (argc != 2)
usage();
version = xbps_pkg_revision(argv[1]);
if (version == NULL)
exit(EXIT_SUCCESS);
printf("%s\n", version);
} else if (strcmp(argv[0], "getpkgdepname") == 0) {
/* Returns the pkgname of a dependency */
if (argc != 2)
usage();
pkgname = xbps_pkgpattern_name(argv[1]);
if (pkgname == NULL)
exit(EXIT_FAILURE);
printf("%s\n", pkgname);
free(pkgname);
} else if (strcmp(argv[0], "getpkgdepversion") == 0) {
/* returns the version of a package pattern dependency */
if (argc != 2)
usage();
version = xbps_pkgpattern_version(argv[1]);
if (version == NULL)
exit(EXIT_FAILURE);
printf("%s\n", version);
} else if (strcmp(argv[0], "binpkgver") == 0) {
/* Returns the pkgver of a binpkg string */
if (argc != 2)
usage();
version = xbps_binpkg_pkgver(argv[1]);
if (version == NULL) {
fprintf(stderr,
"Invalid string, expected <pkgname>-<version>_<revision>.<arch>.xbps\n");
exit(EXIT_FAILURE);
}
printf("%s\n", version);
} else if (strcmp(argv[0], "binpkgarch") == 0) {
/* Returns the arch of a binpkg string */
if (argc != 2)
usage();
version = xbps_binpkg_arch(argv[1]);
if (version == NULL) {
fprintf(stderr,
"Invalid string, expected <pkgname>-<version>_<revision>.<arch>.xbps\n");
exit(EXIT_FAILURE);
}
printf("%s\n", version);
} else if (strcmp(argv[0], "pkgmatch") == 0) {
/* Matches a pkg with a pattern */
if (argc != 3)
usage();
exit(xbps_pkgpattern_match(argv[1], argv[2]));
} else if (strcmp(argv[0], "cmpver") == 0) {
/* Compare two version strings, installed vs required */
if (argc != 3)
usage();
exit(xbps_cmpver(argv[1], argv[2]));
} else if (strcmp(argv[0], "arch") == 0) {
/* returns the xbps native arch */
if (argc != 1)
usage();
printf("%s\n", xh.native_arch);
} else if (strcmp(argv[0], "getsystemdir") == 0) {
/* returns the xbps system directory (<sharedir>/xbps.d) */
if (argc != 1)
usage();
printf("%s\n", XBPS_SYSDEFCONF_PATH);
} else if (strcmp(argv[0], "digest") == 0) {
/* Prints SHA256 hashes for specified files */
if (argc < 2)
usage();
for (int i = 1; i < argc; i++) {
hash = xbps_file_hash(argv[i]);
if (hash == NULL) {
fprintf(stderr,
"E: couldn't get hash for %s (%s)\n",
argv[i], strerror(errno));
exit(EXIT_FAILURE);
}
printf("%s\n", hash);
}
} else if (strcmp(argv[0], "fetch") == 0) {
/* Fetch a file from specified URL */
if (argc < 2)
usage();
for (int i = 1; i < argc; i++) {
filename = fname(argv[i]);
rv = xbps_fetch_file_dest(&xh, argv[i], filename, "v");
if (rv == -1) {
printf("%s: %s\n", argv[i],
xbps_fetch_error_string());
} else if (rv == 0) {
printf("%s: file is identical with remote.\n",
argv[i]);
} else
rv = 0;
}
} else {
usage();
}
exit(rv ? EXIT_FAILURE : EXIT_SUCCESS);
}
static int
find_repo_deps(struct xbps_handle *xhp,
xbps_array_t unsorted, /* array of unsorted deps */
xbps_array_t pkg_rdeps_array, /* current pkg rundeps array */
xbps_array_t pkg_provides, /* current pkg provides array */
const char *curpkg, /* current pkgver */
unsigned short *depth) /* max recursion depth */
{
xbps_dictionary_t curpkgd = NULL;
xbps_object_t obj;
xbps_object_iterator_t iter;
xbps_array_t curpkgrdeps = NULL, curpkgprovides = NULL;
pkg_state_t state;
const char *reqpkg, *pkgver_q, *reason = NULL;
char *pkgname, *reqpkgname;
int rv = 0;
bool foundvpkg;
if (*depth >= MAX_DEPTH)
return ELOOP;
/*
* Iterate over the list of required run dependencies for
* current package.
*/
iter = xbps_array_iterator(pkg_rdeps_array);
assert(iter);
while ((obj = xbps_object_iterator_next(iter))) {
foundvpkg = false;
reqpkg = xbps_string_cstring_nocopy(obj);
if (xhp->flags & XBPS_FLAG_DEBUG) {
xbps_dbg_printf(xhp, "%s", "");
for (unsigned short x = 0; x < *depth; x++) {
xbps_dbg_printf_append(xhp, " ");
}
xbps_dbg_printf_append(xhp, "%s: requires dependency '%s': ", curpkg ? curpkg : " ", reqpkg);
}
if (((pkgname = xbps_pkgpattern_name(reqpkg)) == NULL) &&
((pkgname = xbps_pkg_name(reqpkg)) == NULL)) {
xbps_dbg_printf(xhp, "%s: can't guess pkgname for dependency: %s\n", curpkg, reqpkg);
xbps_set_cb_state(xhp, XBPS_STATE_INVALID_DEP, ENXIO, NULL,
"%s: can't guess pkgname for dependency '%s'", curpkg, reqpkg);
rv = ENXIO;
break;
}
/*
* Pass 1: check if required dependency is provided as virtual
* package via "provides", if true ignore dependency.
*/
if (pkg_provides && xbps_match_virtual_pkg_in_array(pkg_provides, reqpkg)) {
xbps_dbg_printf_append(xhp, "%s is a vpkg provided by %s, ignored.\n", pkgname, curpkg);
free(pkgname);
continue;
}
/*
* Pass 2: check if required dependency has been already
* added in the transaction dictionary.
*/
if ((curpkgd = xbps_find_pkg_in_array(unsorted, reqpkg, NULL)) ||
(curpkgd = xbps_find_virtualpkg_in_array(xhp, unsorted, reqpkg, NULL))) {
xbps_dictionary_get_cstring_nocopy(curpkgd, "pkgver", &pkgver_q);
xbps_dbg_printf_append(xhp, " (%s queued)\n", pkgver_q);
free(pkgname);
continue;
}
/*
* Pass 3: check if required dependency is already installed
* and its version is fully matched.
*/
if ((curpkgd = xbps_pkgdb_get_pkg(xhp, pkgname)) == NULL) {
if ((curpkgd = xbps_pkgdb_get_virtualpkg(xhp, pkgname))) {
foundvpkg = true;
}
}
if (curpkgd == NULL) {
if (errno && errno != ENOENT) {
/* error */
rv = errno;
xbps_dbg_printf(xhp, "failed to find installed pkg for `%s': %s\n", reqpkg, strerror(rv));
free(pkgname);
break;
}
free(pkgname);
/* Required dependency not installed */
xbps_dbg_printf_append(xhp, "not installed.\n");
reason = "install";
state = XBPS_PKG_STATE_NOT_INSTALLED;
} else {
/*
* Required dependency is installed, check if its version can
* satisfy the requirements.
*/
xbps_dictionary_get_cstring_nocopy(curpkgd, "pkgver", &pkgver_q);
/* Check its state */
if ((rv = xbps_pkg_state_dictionary(curpkgd, &state)) != 0) {
free(pkgname);
break;
}
if (foundvpkg && xbps_match_virtual_pkg_in_dict(curpkgd, reqpkg)) {
/*
* Check if required dependency is a virtual package and is satisfied
* by an installed package.
*/
xbps_dbg_printf_append(xhp, "[virtual] satisfied by `%s'.\n", pkgver_q);
free(pkgname);
continue;
}
rv = xbps_pkgpattern_match(pkgver_q, reqpkg);
if (rv == 0) {
char *curpkgname;
/*
* The version requirement is not satisfied.
*/
curpkgname = xbps_pkg_name(pkgver_q);
assert(curpkgname);
if (strcmp(pkgname, curpkgname)) {
xbps_dbg_printf_append(xhp, "not installed `%s (vpkg)'", pkgver_q);
if (xbps_dictionary_get(curpkgd, "hold")) {
xbps_dbg_printf_append(xhp, " on hold state! ignoring package.\n");
} else {
xbps_dbg_printf_append(xhp, "\n");
reason = "install";
}
} else {
xbps_dbg_printf_append(xhp, "installed `%s', must be updated", pkgver_q);
if (xbps_dictionary_get(curpkgd, "hold")) {
xbps_dbg_printf_append(xhp, " on hold state! ignoring package.\n");
} else {
xbps_dbg_printf_append(xhp, "\n");
reason = "update";
}
}
free(curpkgname);
free(pkgname);
} else if (rv == 1) {
/*
* The version requirement is satisfied.
*/
free(pkgname);
rv = 0;
if (state == XBPS_PKG_STATE_UNPACKED) {
/*
* Package matches the dependency pattern but was only unpacked,
* configure pkg.
*/
xbps_dbg_printf_append(xhp, "installed `%s', must be configured.\n", pkgver_q);
reason = "configure";
} else if (state == XBPS_PKG_STATE_INSTALLED) {
/*
* Package matches the dependency pattern and is fully installed,
* skip to next one.
*/
xbps_dbg_printf_append(xhp, "installed `%s'.\n", pkgver_q);
continue;
}
} else {
/* error matching pkgpattern */
xbps_dbg_printf(xhp, "failed to match pattern %s with %s\n", reqpkg, pkgver_q);
free(pkgname);
break;
}
}
if (xbps_dictionary_get(curpkgd, "hold")) {
xbps_dbg_printf(xhp, "%s on hold state! ignoring package.\n", curpkg);
continue;
}
/*
* Pass 4: find required dependency in repository pool.
* If dependency does not match add pkg into the missing
* deps array and pass to next one.
*/
if (((curpkgd = xbps_rpool_get_pkg(xhp, reqpkg)) == NULL) &&
((curpkgd = xbps_rpool_get_virtualpkg(xhp, reqpkg)) == NULL)) {
/* pkg not found, there was some error */
if (errno && errno != ENOENT) {
xbps_dbg_printf(xhp, "failed to find pkg for `%s' in rpool: %s\n", reqpkg, strerror(errno));
rv = errno;
break;
}
rv = add_missing_reqdep(xhp, reqpkg);
if (rv != 0 && rv != EEXIST) {
xbps_dbg_printf(xhp, "`%s': add_missing_reqdep failed\n", reqpkg);
break;
} else if (rv == EEXIST) {
xbps_dbg_printf(xhp, "`%s' missing dep already added.\n", reqpkg);
rv = 0;
continue;
} else {
xbps_dbg_printf(xhp, "`%s' added into the missing deps array.\n", reqpkg);
continue;
}
}
xbps_dictionary_get_cstring_nocopy(curpkgd, "pkgver", &pkgver_q);
reqpkgname = xbps_pkg_name(pkgver_q);
assert(reqpkgname);
/*
* Check dependency validity.
*/
pkgname = xbps_pkg_name(curpkg);
assert(pkgname);
if (strcmp(pkgname, reqpkgname) == 0) {
xbps_dbg_printf_append(xhp, "[ignoring wrong dependency %s (depends on itself)]\n", reqpkg);
xbps_remove_string_from_array(pkg_rdeps_array, reqpkg);
free(pkgname);
free(reqpkgname);
continue;
}
free(pkgname);
free(reqpkgname);
/*
* If package doesn't have rundeps, pass to the next one.
*/
curpkgrdeps = xbps_dictionary_get(curpkgd, "run_depends");
if (curpkgrdeps == NULL) {
/*
* Package is on repo, add it into the transaction dictionary.
*/
xbps_dictionary_set_cstring_nocopy(curpkgd, "transaction", reason);
rv = xbps_transaction_store(xhp, unsorted, curpkgd, reason, true);
if (rv != 0) {
xbps_dbg_printf(xhp, "xbps_transaction_store failed for `%s': %s\n", reqpkg, strerror(rv));
break;
}
continue;
}
if (xhp->flags & XBPS_FLAG_DEBUG) {
xbps_dbg_printf(xhp, "%s", "");
for (unsigned short x = 0; x < *depth; x++) {
xbps_dbg_printf_append(xhp, " ");
}
xbps_dbg_printf_append(xhp, "%s: finding dependencies:\n", pkgver_q);
}
/*
* Recursively find rundeps for current pkg dictionary.
*/
(*depth)++;
curpkgprovides = xbps_dictionary_get(curpkgd, "provides");
rv = find_repo_deps(xhp, unsorted, curpkgrdeps, curpkgprovides, pkgver_q, depth);
if (rv != 0) {
xbps_dbg_printf(xhp, "Error checking %s for rundeps: %s\n", reqpkg, strerror(rv));
break;
}
/*
* Package is on repo, add it into the transaction dictionary.
*/
xbps_dictionary_set_cstring_nocopy(curpkgd, "transaction", reason);
rv = xbps_transaction_store(xhp, unsorted, curpkgd, reason, true);
if (rv != 0) {
xbps_dbg_printf(xhp, "xbps_transaction_store failed for `%s': %s\n", reqpkg, strerror(rv));
break;
}
}
xbps_object_iterator_release(iter);
(*depth)--;
return rv;
}
