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main.c
author Kristian H?gsberg <krh@redhat.com>
Tue Jan 22 11:34:28 2008 -0500 (2008-01-22)
changeset 106 9d4d62f62735
parent 101 9708f6d5db8c
child 109 313b0a615c14
permissions -rw-r--r--
Fix comparisong bug in razor_set_diff().

We could end up calling the callback for p1 even if it's NULL, if p2 != NULL
and the previous comparison left res == -1. 
     1 #include <stdlib.h>

     2 #include <stddef.h>

     3 #include <stdio.h>

     4 #include <string.h>

     5 #include <sys/types.h>

     6 #include <sys/stat.h>

     7 #include <unistd.h>

     8 #include <dirent.h>

     9 #include <curl/curl.h>

    10 #include <fnmatch.h>

    11 #include "razor.h"

    12 

    13 static const char *repo_filename = "system.repo";

    14 static const char *rawhide_repo_filename = "rawhide.repo";

    15 static const char *updated_repo_filename = "system-updated.repo";

    16 

    17 static int

    18 command_list(int argc, const char *argv[])

    19 {

    20 	struct razor_set *set;

    21 	struct razor_package_iterator *pi;

    22 	struct razor_package *package;

    23 	const char *pattern = argv[0], *name, *version;

    24 

    25 	set = razor_set_open(repo_filename);

    26 	pi = razor_package_iterator_create(set);

    27 	while (razor_package_iterator_next(pi, &package, &name, &version)) {

    28 		if (pattern && fnmatch(pattern, name, 0) != 0)

    29 			continue;

    30 

    31 		printf("%s-%s\n", name, version);

    32 	}

    33 	razor_package_iterator_destroy(pi);

    34 	razor_set_destroy(set);

    35 

    36 	return 0;

    37 }

    38 

    39 static int

    40 list_properties(const char *package_name,

    41 		enum razor_property_type required_type)

    42 {

    43 	struct razor_set *set;

    44 	struct razor_property *property;

    45 	struct razor_package *package;

    46 	struct razor_property_iterator *pi;

    47 	const char *name, *version;

    48 	enum razor_property_type type;

    49 

    50 	set = razor_set_open(repo_filename);

    51 	if (package_name)

    52 		package = razor_set_get_package(set, package_name);

    53 	else

    54 		package = NULL;

    55 

    56 	pi = razor_property_iterator_create(set, package);

    57 	while (razor_property_iterator_next(pi, &property,

    58 					    &name, &version, &type)) {

    59 		if (type != required_type)

    60 			continue;

    61 		if (version[0] == '\0')

    62 			printf("%s\n", name);

    63 		else

    64 			printf("%s-%s\n", name, version);

    65 	}

    66 	razor_property_iterator_destroy(pi);

    67 

    68 	razor_set_destroy(set);

    69 

    70 	return 0;

    71 }

    72 

    73 static int

    74 command_list_requires(int argc, const char *argv[])

    75 {

    76 	return list_properties(argv[0], RAZOR_PROPERTY_REQUIRES);

    77 }

    78 

    79 static int

    80 command_list_provides(int argc, const char *argv[])

    81 {

    82 	return list_properties(argv[0], RAZOR_PROPERTY_PROVIDES);

    83 }

    84 

    85 static int

    86 command_list_obsoletes(int argc, const char *argv[])

    87 {

    88 	return list_properties(argv[0], RAZOR_PROPERTY_OBSOLETES);

    89 }

    90 

    91 static int

    92 command_list_conflicts(int argc, const char *argv[])

    93 {

    94 	return list_properties(argv[0], RAZOR_PROPERTY_CONFLICTS);

    95 }

    96 

    97 static int

    98 command_list_files(int argc, const char *argv[])

    99 {

   100 	struct razor_set *set;

   101 

   102 	set = razor_set_open(repo_filename);

   103 	if (set == NULL)

   104 		return 1;

   105 	razor_set_list_files(set, argv[0]);

   106 	razor_set_destroy(set);

   107 

   108 	return 0;

   109 }

   110 

   111 static int

   112 command_list_file_packages(int argc, const char *argv[])

   113 {

   114 	struct razor_set *set;

   115 	struct razor_package_iterator *pi;

   116 	struct razor_package *package;

   117 	const char *name, *version;

   118 

   119 	set = razor_set_open(repo_filename);

   120 	if (set == NULL)

   121 		return 1;

   122 

   123 	pi = razor_package_iterator_create_for_file(set, argv[0]);

   124 	while (razor_package_iterator_next(pi, &package, &name, &version))

   125 		printf("%s-%s\n", name, version);

   126 	razor_package_iterator_destroy(pi);

   127 

   128 	razor_set_destroy(set);

   129 

   130 	return 0;

   131 }

   132 

   133 static int

   134 command_list_package_files(int argc, const char *argv[])

   135 {

   136 	struct razor_set *set;

   137 

   138 	set = razor_set_open(repo_filename);

   139 	if (set == NULL)

   140 		return 1;

   141 	razor_set_list_package_files(set, argv[0]);

   142 	razor_set_destroy(set);

   143 

   144 	return 0;

   145 }

   146 

   147 static void

   148 list_packages_for_property(struct razor_set *set,

   149 			   struct razor_property *property)

   150 {

   151 	struct razor_package_iterator *pi;

   152 	struct razor_package *package;

   153 	const char *name, *version;

   154 

   155 	pi = razor_package_iterator_create_for_property(set, property);

   156 	while (razor_package_iterator_next(pi, &package, &name, &version))

   157 		printf("%s-%s\n", name, version);

   158 	razor_package_iterator_destroy(pi);

   159 }

   160 

   161 static int

   162 list_property_packages(const char *ref_name,

   163 		       const char *ref_version,

   164 		       enum razor_property_type ref_type)

   165 {

   166 	struct razor_set *set;

   167 	struct razor_property *property;

   168 	struct razor_property_iterator *pi;

   169 	const char *name, *version;

   170 	enum razor_property_type type;

   171 

   172 	if (ref_name == NULL)

   173 		return 0;

   174 

   175 	set = razor_set_open(repo_filename);

   176 	if (set == NULL)

   177 		return 1;

   178 

   179 	pi = razor_property_iterator_create(set, NULL);

   180 	while (razor_property_iterator_next(pi, &property,

   181 					    &name, &version, &type)) {

   182 		if (strcmp(ref_name, name) != 0)

   183 			continue;

   184 		if (ref_version && strcmp(ref_version, version) != 0)

   185 			continue;

   186 		if (ref_type != type)

   187 			continue;

   188 

   189 		list_packages_for_property(set, property);

   190 	}

   191 	razor_property_iterator_destroy(pi);

   192 

   193 	return 0;

   194 }

   195 

   196 static int

   197 command_what_requires(int argc, const char *argv[])

   198 {

   199 	return list_property_packages(argv[0], argv[1],

   200 				      RAZOR_PROPERTY_REQUIRES);

   201 }

   202 

   203 static int

   204 command_what_provides(int argc, const char *argv[])

   205 {

   206 	return list_property_packages(argv[0], argv[1],

   207 				      RAZOR_PROPERTY_PROVIDES);

   208 }

   209 

   210 static int

   211 show_progress(void *clientp,

   212 	      double dltotal, double dlnow, double ultotal, double ulnow)

   213 {

   214 	const char *file = clientp;

   215 

   216 	if (!dlnow < dltotal)

   217 		fprintf(stderr, "\rdownloading %s, %dkB/%dkB",

   218 			file, (int) dlnow / 1024, (int) dltotal / 1024);

   219 	else

   220 		fprintf(stderr, "\n");

   221 

   222 	return 0;

   223 }

   224 

   225 static int

   226 download_if_missing(CURL *curl, const char *url, const char *file)

   227 {

   228 	struct stat buf;

   229 	char error[256];

   230 	FILE *fp;

   231 	CURLcode res;

   232 	char buffer[256];

   233 

   234 	curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, error);

   235 	curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0);

   236 	curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, show_progress);

   237 	curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, file);

   238 

   239 	if (stat(file, &buf) < 0) {

   240 		fp = fopen(file, "w");

   241 		snprintf(buffer, sizeof buffer, "%s/%s", url, file);

   242 		curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);

   243 		curl_easy_setopt(curl, CURLOPT_URL, buffer);

   244 		res = curl_easy_perform(curl);

   245 		fclose(fp);

   246 		if (res != CURLE_OK) {

   247 			fprintf(stderr, "curl error: %s\n", error);

   248 			unlink(file);

   249 			return -1;

   250 		}

   251 	}

   252 

   253 	return 0;

   254 }

   255 

   256 #define REPO_URL "http://download.fedora.redhat.com" \

   257 	"/pub/fedora/linux/development/i386/os/repodata"

   258 

   259 static int

   260 command_import_yum(int argc, const char *argv[])

   261 {

   262 	struct razor_set *set;

   263 	CURL *curl;

   264 

   265 	curl = curl_easy_init();

   266 	if (curl == NULL)

   267 		return 1;

   268 

   269 	if (download_if_missing(curl, REPO_URL, "primary.xml.gz") < 0)

   270 		return -1;

   271 	if (download_if_missing(curl, REPO_URL, "filelists.xml.gz") < 0)

   272 		return -1;

   273 	curl_easy_cleanup(curl);

   274 

   275 	set = razor_set_create_from_yum();

   276 	if (set == NULL)

   277 		return 1;

   278 	razor_set_write(set, rawhide_repo_filename);

   279 	razor_set_destroy(set);

   280 	printf("wrote %s\n", rawhide_repo_filename);

   281 

   282 	return 0;

   283 }

   284 

   285 static int

   286 command_import_rpmdb(int argc, const char *argv[])

   287 {

   288 	struct razor_set *set;

   289 

   290 	set = razor_set_create_from_rpmdb();

   291 	if (set == NULL)

   292 		return 1;

   293 	razor_set_write(set, repo_filename);

   294 	razor_set_destroy(set);

   295 	printf("wrote %s\n", repo_filename);

   296 

   297 	return 0;

   298 }

   299 

   300 static int

   301 command_validate(int argc, const char *argv[])

   302 {

   303 	struct razor_set *set;

   304 

   305 	set = razor_set_open(repo_filename);

   306 	if (set == NULL)

   307 		return 1;

   308 	razor_set_list_unsatisfied(set);

   309 	razor_set_destroy(set);

   310 

   311 	return 0;

   312 }

   313 

   314 static int

   315 command_update(int argc, const char *argv[])

   316 {

   317 	struct razor_set *set, *upstream;

   318 

   319 	set = razor_set_open(repo_filename);

   320 	upstream = razor_set_open(rawhide_repo_filename);

   321 	if (set == NULL || upstream == NULL)

   322 		return 1;

   323 	set = razor_set_update(set, upstream, argc, argv);

   324 	razor_set_write(set, updated_repo_filename);

   325 	razor_set_destroy(set);

   326 	razor_set_destroy(upstream);

   327 	printf("wrote system-updated.repo\n");

   328 

   329 	return 0;

   330 }

   331 

   332 static void

   333 print_diff(const char *name,

   334 	   const char *old_version, const char *new_version, void *data)

   335 {

   336 	if (old_version)

   337 		printf("removing %s %s\n", name, old_version);

   338 	else

   339 		printf("install %s %s\n", name, new_version);

   340 }

   341 

   342 static int

   343 command_diff(int argc, const char *argv[])

   344 {

   345 	struct razor_set *set, *updated;

   346 

   347 	set = razor_set_open(repo_filename);

   348 	updated = razor_set_open(updated_repo_filename);

   349 	if (set == NULL || updated == NULL)

   350 		return 1;

   351 

   352 	razor_set_diff(set, updated, print_diff, NULL);	

   353 

   354 	razor_set_destroy(set);

   355 	razor_set_destroy(updated);

   356 

   357 	return 0;

   358 }

   359 

   360 static int

   361 command_import_rpms(int argc, const char *argv[])

   362 {

   363 	DIR *dir;

   364 	struct dirent *de;

   365 	struct razor_importer *importer;

   366 	struct razor_set *set;

   367 	struct razor_rpm *rpm;

   368 	int len;

   369 	char filename[256];

   370 	const char *dirname = argv[0];

   371 

   372 	if (dirname == NULL) {

   373 		fprintf(stderr, "usage: razor import-rpms DIR\n");

   374 		return -1;

   375 	}

   376 

   377 	dir = opendir(dirname);

   378 	if (dir == NULL) {

   379 		fprintf(stderr, "couldn't read dir %s\n", dirname);

   380 		return -1;

   381 	}

   382 

   383 	importer = razor_importer_new();

   384 

   385 	while (de = readdir(dir), de != NULL) {

   386 		len = strlen(de->d_name);

   387 		if (len < 5 || strcmp(de->d_name + len - 4, ".rpm") != 0)

   388 		    continue;

   389 		snprintf(filename, sizeof filename,

   390 			 "%s/%s", dirname, de->d_name);

   391 		rpm = razor_rpm_open(filename);

   392 		if (rpm == NULL) {

   393 			fprintf(stderr,

   394 				"failed to open rpm \"%s\"\n", filename);

   395 			continue;

   396 		}

   397 		if (razor_importer_add_rpm(importer, rpm)) {

   398 			fprintf(stderr, "couldn't import %s\n", filename);

   399 			break;

   400 		}

   401 		razor_rpm_close(rpm);

   402 	}

   403 

   404 	if (de != NULL) {

   405 		razor_importer_destroy(importer);

   406 		return -1;

   407 	}

   408 

   409 	set = razor_importer_finish(importer);

   410 

   411 	razor_set_write(set, repo_filename);

   412 	razor_set_destroy(set);

   413 	printf("wrote %s\n", repo_filename);

   414 

   415 	return 0;

   416 }

   417 

   418 static int

   419 command_install(int argc, const char *argv[])

   420 {

   421 	struct razor_rpm *rpm;

   422 	const char *filename = argv[0];

   423 	struct stat buf;

   424 	const char root[] = "install";

   425 

   426 	if (stat(root, &buf) < 0) {

   427 		if (mkdir(root, 0777) < 0) {

   428 			fprintf(stderr,

   429 				"could not create install root \"%s\"\n",

   430 				root);

   431 			return -1;

   432 		}

   433 		fprintf(stderr, "created install root \"%s\"\n", root);

   434 	} else if (!S_ISDIR(buf.st_mode)) {

   435 		fprintf(stderr,

   436 			"install root \"%s\" exists, but is not a directory\n",

   437 			root);

   438 		return -1;

   439 	}

   440 

   441 	rpm = razor_rpm_open(filename);

   442 	if (rpm == NULL) {

   443 		fprintf(stderr, "failed to open rpm %s\n", filename);

   444 		return -1;

   445 	}

   446 	if (razor_rpm_install(rpm, root) < 0) {

   447 		fprintf(stderr, "failed to install rpm %s\n", filename);

   448 		return -1;

   449 	}

   450 	

   451 	razor_rpm_close(rpm);

   452 

   453 	return 0;

   454 }

   455 

   456 static struct {

   457 	const char *name;

   458 	const char *description;

   459 	int (*func)(int argc, const char *argv[]);

   460 } razor_commands[] = {

   461 	{ "list", "list all packages", command_list },

   462 	{ "list-requires", "list all requires for the given package", command_list_requires },

   463 	{ "list-provides", "list all provides for the given package", command_list_provides },

   464 	{ "list-obsoletes", "list all obsoletes for the given package", command_list_obsoletes },

   465 	{ "list-conflicts", "list all conflicts for the given package", command_list_conflicts },

   466 	{ "list-files", "list files for package set", command_list_files },

   467 	{ "list-file-packages", "list packages owning file", command_list_file_packages },

   468 	{ "list-package-files", "list files in package", command_list_package_files },

   469 	{ "what-requires", "list the packages that have the given requires", command_what_requires },

   470 	{ "what-provides", "list the packages that have the given provides", command_what_provides },

   471 	{ "import-yum", "import yum metadata files", command_import_yum },

   472 	{ "import-rpmdb", "import the system rpm database", command_import_rpmdb },

   473 	{ "import-rpms", "import rpms from the given directory", command_import_rpms },

   474 	{ "validate", "validate a package set", command_validate },

   475 	{ "update", "update all or specified packages", command_update },

   476 	{ "diff", "show diff between two package sets", command_diff },

   477 	{ "install", "install rpm", command_install }

   478 };

   479 

   480 static int

   481 usage(void)

   482 {

   483 	int i;

   484 

   485 	printf("usage:\n");

   486 	for (i = 0; i < ARRAY_SIZE(razor_commands); i++)

   487 		printf("  %-20s%s\n",

   488 		       razor_commands[i].name, razor_commands[i].description);

   489 

   490 	return 1;

   491 }

   492 

   493 int

   494 main(int argc, const char *argv[])

   495 {

   496 	char *repo;

   497 	int i;

   498 

   499 	repo = getenv("RAZOR_REPO");

   500 	if (repo != NULL)

   501 		repo_filename = repo;

   502 

   503 	if (argc < 2)

   504 		return usage();

   505 

   506 	for (i = 0; i < ARRAY_SIZE(razor_commands); i++)

   507 		if (strcmp(razor_commands[i].name, argv[1]) == 0)

   508 			return razor_commands[i].func(argc - 2, argv + 2);

   509 

   510 	return usage();

   511 }
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