xbps-bin: added -C flag for 'files' target, to check SHA256 hash in files.

--HG--
extra : convert_revision : 28fffd3047de8d8a4b9401618017a880cbf03008

bin/xbps-bin/main.c

@@ -43,22 +43,24 @@ static int	list_pkgs_in_dict(prop_object_t, void *, bool *);
 static void
 usage(void)
 {
-	printf("Usage: xbps-bin [options] [action] [arguments]\n\n"
-	" Available actions:\n"
-        "    install, list, remove, show, files\n"
-	" Actions with arguments:\n"
+	printf("Usage: xbps-bin [options] [target] [arguments]\n\n"
+	" Available targets:\n"
+        "    autoremove, install, list, remove, show, files\n"
+	" Targets with arguments:\n"
 	"    install\t<pkgname>\n"
 	"    files\t<pkgname>\n"
 	"    remove\t<pkgname>\n"
 	"    show\t<pkgname>\n"
-	" Options shared by all actions:\n"
+	" Options shared by all targets:\n"
 	"    -r\t\t<rootdir>\n"
 	"    -v\t\t<verbose>\n"
+	" Option used by the files target:\n"
+	"    -C\t\tTo check the SHA256 hash for any listed file.\n"
 	"\n"
 	" Examples:\n"
 	"    $ xbps-bin install klibc\n"
 	"    $ xbps-bin -r /path/to/root install klibc\n"
-	"    $ xbps-bin files klibc\n"
+	"    $ xbps-bin -C files klibc\n"
 	"    $ xbps-bin list\n"
 	"    $ xbps-bin remove klibc\n"
 	"    $ xbps-bin show klibc\n");
@@ -118,9 +120,13 @@ main(int argc, char **argv)
 	prop_dictionary_t dict;
 	char *plist, *root = NULL;
 	int c, flags = 0, rv = 0;
+	bool chkhash = false;
 
-	while ((c = getopt(argc, argv, "r:v")) != -1) {
+	while ((c = getopt(argc, argv, "Cr:v")) != -1) {
 		switch (c) {
+		case 'C':
+			chkhash = true;
+			break;
 		case 'r':
 			/* To specify the root directory */
 			root = optarg;
@@ -212,16 +218,35 @@ main(int argc, char **argv)
 			printf("Package %s not installed.\n", argv[1]);
 			exit(EXIT_FAILURE);
 		}
+
 	} else if (strcasecmp(argv[0], "files") == 0) {
 		/* Shows files installed by a binary package. */
 		if (argc != 2)
 			usage();
 
-		rv = show_pkg_files_from_metadir(argv[1]);
+		rv = show_pkg_files_from_metadir(argv[1], root, chkhash);
 		if (rv != 0) {
 			printf("Package %s not installed.\n", argv[1]);
 			exit(EXIT_FAILURE);
 		}
+
+	} else if (strcasecmp(argv[0], "autoremove") == 0) {
+		/*
+		 * Removes orphaned pkgs. These packages were installed
+		 * as dependency and any installed package does not depend
+		 * on it.
+		 */
+		if (argc != 1)
+			usage();
+
+#if 0
+		rv = xbps_auto_remove_packages();
+		if (rv != 0) {
+			printf("There was an error! (%s)\n", strerror(rv));
+			exit(EXIT_FAILURE);
+		}
+#endif
+
 	} else {
 		usage();
 	}

bin/xbps-repo/util.c

@@ -34,6 +34,11 @@
 #include <xbps_api.h>
 #include "util.h"
 
+struct show_files_cb {
+	const char *destdir;
+	bool check_hash;
+};
+
 static void	show_pkg_info(prop_dictionary_t);
 static int	show_pkg_files(prop_object_t, void *, bool *);
 static int	show_pkg_namedesc(prop_object_t, void *, bool *);
@@ -194,9 +199,10 @@ show_pkg_info_from_metadir(const char *pkgname)
 }
 
 int
-show_pkg_files_from_metadir(const char *pkgname)
+show_pkg_files_from_metadir(const char *pkgname, const char *destdir, bool hash)
 {
 	prop_dictionary_t pkgd;
+	struct show_files_cb sf_cb;
 	size_t len = 0;
 	char *plist, *path;
 	int rv = 0;
@@ -223,8 +229,10 @@ show_pkg_files_from_metadir(const char *pkgname)
 		return errno;
 	}
 
+	sf_cb.destdir = destdir;
+	sf_cb.check_hash = hash;
 	rv = xbps_callback_array_iter_in_dict(pkgd, "filelist",
-	    show_pkg_files, NULL);
+	    show_pkg_files, (void *)&sf_cb);
 	prop_object_release(pkgd);
 	free(plist);
 
@@ -234,14 +242,37 @@ show_pkg_files_from_metadir(const char *pkgname)
 static int
 show_pkg_files(prop_object_t obj, void *arg, bool *loop_done)
 {
-	const char *file = NULL;
+	struct show_files_cb *sfc = arg;
+	const char *file = NULL, *sha256;
+	char *path;
+	int rv = 0;
 
-	(void)arg;
 	(void)loop_done;
 
 	prop_dictionary_get_cstring_nocopy(obj, "file", &file);
-	if (file != NULL)
+	if (sfc->check_hash == false && file != NULL) {
 		printf("%s\n", file);
+		return 0;
+	}
+
+	if (sfc->check_hash && file != NULL) {
+		path = xbps_append_full_path(false, sfc->destdir, file);
+		if (path == NULL)
+			return EINVAL;
+
+		printf("%s", file);
+		prop_dictionary_get_cstring_nocopy(obj, "sha256", &sha256);
+		rv = xbps_check_file_hash(path, sha256);
+		if (rv != 0 && rv != ERANGE) {
+			free(path);
+			return rv;
+		}
+		if (rv == ERANGE)
+			printf("  WARNING! SHA256 HASH MISMATCH!");
+
+		printf("\n");
+		free(path);
+	}
 
 	return 0;
 }

bin/xbps-repo/util.h

@@ -28,7 +28,7 @@
 
 int	search_string_in_pkgs(prop_object_t, void *, bool *);
 int	show_pkg_info_from_metadir(const char *);
-int	show_pkg_files_from_metadir(const char *);
+int	show_pkg_files_from_metadir(const char *, const char *, bool);
 int	show_pkg_info_from_repolist(prop_object_t, void *, bool *);
 int	list_strings_in_array(prop_object_t, void *, bool *);