New utilities: xbps-{install,pkgdb,query,reconfigure,rindex} (WIP).

bin/xbps-query/ownedby.c

@@ -0,0 +1,209 @@
+/*-
+ * Copyright (c) 2010-2012 Juan Romero Pardines.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <fnmatch.h>
+#include <dirent.h>
+
+#include <xbps_api.h>
+#include "defs.h"
+
+static int
+match_files_by_pattern(prop_dictionary_t pkg_filesd,
+		       prop_dictionary_keysym_t key,
+		       int npatterns, 
+		       char **patterns,
+		       const char *pkgname)
+{
+	prop_object_iterator_t iter;
+	prop_array_t array;
+	prop_object_t obj;
+	const char *keyname, *filestr, *typestr;
+	int i;
+
+	keyname = prop_dictionary_keysym_cstring_nocopy(key);
+	array = prop_dictionary_get_keysym(pkg_filesd, key);
+
+	if (strcmp(keyname, "files") == 0)
+		typestr = "regular file";
+	else if (strcmp(keyname, "dirs") == 0)
+		typestr = "directory";
+	else if (strcmp(keyname, "links") == 0)
+		typestr = "link";
+	else
+		typestr = "configuration file";
+
+	iter = prop_array_iterator(array);
+	while ((obj = prop_object_iterator_next(iter))) {
+		prop_dictionary_get_cstring_nocopy(obj, "file", &filestr);
+		for (i = 0; i < npatterns; i++) {
+			if ((xbps_pkgpattern_match(filestr, patterns[i])) ||
+			    (strcmp(filestr, patterns[i]) == 0))
+				printf("%s: %s (%s)\n", pkgname, filestr, typestr);
+		}
+	}
+	prop_object_iterator_release(iter);
+
+	return 0;
+}
+
+int
+ownedby(struct xbps_handle *xhp, int npatterns, char **patterns)
+{
+	prop_dictionary_t pkg_filesd;
+	prop_array_t files_keys;
+	DIR *dirp;
+	struct dirent *dp;
+	char *path;
+	int rv = 0;
+	unsigned int i, count;
+
+	path = xbps_xasprintf("%s/metadata", xhp->metadir);
+	if (path == NULL)
+		return -1;
+
+	if ((dirp = opendir(path)) == NULL) {
+		free(path);
+		return -1;
+	}
+
+	while ((dp = readdir(dirp)) != NULL) {
+		if ((strcmp(dp->d_name, ".") == 0) ||
+		    (strcmp(dp->d_name, "..") == 0))
+			continue;
+
+		pkg_filesd = xbps_dictionary_from_metadata_plist(xhp,
+		    dp->d_name, XBPS_PKGFILES);
+		if (pkg_filesd == NULL) {
+			if (errno == ENOENT)
+				continue;
+			rv = -1;
+			break;
+		}
+		files_keys = prop_dictionary_all_keys(pkg_filesd);
+		count = prop_array_count(files_keys);
+		for (i = 0; i < count; i++) {
+			rv = match_files_by_pattern(pkg_filesd,
+			    prop_array_get(files_keys, i),
+			    npatterns, patterns, dp->d_name);
+			if (rv == -1)
+				break;
+		}
+		prop_object_release(files_keys);
+		prop_object_release(pkg_filesd);
+		if (rv == -1)
+			break;
+	}
+	(void)closedir(dirp);
+	free(path);
+
+	return rv;
+}
+
+struct ffdata {
+	int npatterns;
+	char **patterns;
+	const char *repouri;
+};
+
+static void
+repo_match_files_by_pattern(struct xbps_handle *xhp,
+			    prop_dictionary_t pkg_filesd,
+			    struct ffdata *ffd)
+{
+	prop_array_t array;
+	const char *filestr, *pkgver, *arch;
+	size_t i;
+	int x;
+
+	prop_dictionary_get_cstring_nocopy(pkg_filesd, "architecture", &arch);
+	if (!xbps_pkg_arch_match(xhp, arch, NULL))
+		return;
+
+	array = prop_dictionary_get(pkg_filesd, "files");
+	for (i = 0; i < prop_array_count(array); i++) {
+		prop_array_get_cstring_nocopy(array, i, &filestr);
+		for (x = 0; x < ffd->npatterns; x++) {
+			if ((xbps_pkgpattern_match(filestr, ffd->patterns[x])) ||
+			    (strcmp(filestr, ffd->patterns[x]) == 0)) {
+				prop_dictionary_get_cstring_nocopy(pkg_filesd,
+				    "pkgver", &pkgver);
+				printf("%s: %s (%s)\n",
+				    pkgver, filestr, ffd->repouri);
+			}
+		}
+	}
+}
+
+static int
+repo_ownedby_cb(struct xbps_handle *xhp,
+		struct xbps_rpool_index *rpi,
+		void *arg,
+		bool *done)
+{
+	prop_array_t idxfiles;
+	struct ffdata *ffd = arg;
+	char *plist;
+	unsigned int i;
+
+	(void)done;
+
+	if ((plist = xbps_pkg_index_files_plist(xhp, rpi->uri)) == NULL)
+		return ENOMEM;
+
+	if ((idxfiles = prop_array_internalize_from_zfile(plist)) == NULL) {
+		free(plist);
+		if (errno == ENOENT) {
+			fprintf(stderr, "%s: index-files missing! "
+			    "ignoring...\n", rpi->uri);
+			return 0;
+		}
+		return errno;
+	}
+	free(plist);
+	ffd->repouri = rpi->uri;
+
+	for (i = 0; i < prop_array_count(idxfiles); i++)
+		repo_match_files_by_pattern(xhp,
+		    prop_array_get(idxfiles, i), ffd);
+
+	prop_object_release(idxfiles);
+	return 0;
+}
+
+int
+repo_ownedby(struct xbps_handle *xhp, int npatterns, char **patterns)
+{
+	struct ffdata ffd;
+
+	ffd.npatterns = npatterns;
+	ffd.patterns = patterns;
+
+	return xbps_rpool_foreach(xhp, repo_ownedby_cb, &ffd);
+}