1 /* vi: set sw=4 ts=4: */
3 * Mini rpm applet for busybox
5 * Copyright (C) 2001,2002 by Laurence Anderson
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
10 //config: bool "rpm (32 kb)"
13 //config: Mini RPM applet - queries and extracts RPM packages.
15 //applet:IF_RPM(APPLET(rpm, BB_DIR_BIN, BB_SUID_DROP))
17 //kbuild:lib-$(CONFIG_RPM) += rpm.o
20 #include "common_bufsiz.h"
21 #include "bb_archive.h"
24 #define RPM_CHAR_TYPE 1
25 #define RPM_INT8_TYPE 2
26 #define RPM_INT16_TYPE 3
27 #define RPM_INT32_TYPE 4
28 /* #define RPM_INT64_TYPE 5 ---- These aren't supported (yet) */
29 #define RPM_STRING_TYPE 6
30 #define RPM_BIN_TYPE 7
31 #define RPM_STRING_ARRAY_TYPE 8
32 #define RPM_I18NSTRING_TYPE 9
35 #define TAG_VERSION 1001
36 #define TAG_RELEASE 1002
37 #define TAG_SUMMARY 1004
38 #define TAG_DESCRIPTION 1005
39 #define TAG_BUILDTIME 1006
40 #define TAG_BUILDHOST 1007
42 #define TAG_VENDOR 1011
43 #define TAG_LICENSE 1014
44 #define TAG_PACKAGER 1015
45 #define TAG_GROUP 1016
47 #define TAG_PREIN 1023
48 #define TAG_POSTIN 1024
49 #define TAG_FILEFLAGS 1037
50 #define TAG_FILEUSERNAME 1039
51 #define TAG_FILEGROUPNAME 1040
52 #define TAG_SOURCERPM 1044
53 #define TAG_PREINPROG 1085
54 #define TAG_POSTINPROG 1086
55 #define TAG_PREFIXS 1098
56 #define TAG_DIRINDEXES 1116
57 #define TAG_BASENAMES 1117
58 #define TAG_DIRNAMES 1118
59 #define TAG_PAYLOADCOMPRESSOR 1125
62 #define RPMFILE_CONFIG (1 << 0)
63 #define RPMFILE_DOC (1 << 1)
65 enum rpm_functions_e {
69 rpm_query_package = 8,
71 rpm_query_list_doc = 32,
72 rpm_query_list_config = 64
76 uint32_t tag; /* 4 byte tag */
77 uint32_t type; /* 4 byte type */
78 uint32_t offset; /* 4 byte offset */
79 uint32_t count; /* 4 byte count */
86 unsigned mapsize, pagesize;
88 #define G (*(struct globals*)bb_common_bufsiz1)
89 #define INIT_G() do { setup_common_bufsiz(); } while (0)
91 static int rpm_gettags(const char *filename)
98 if (!filename) { /* rpm2cpio w/o filename? */
99 filename = bb_msg_standard_output;
102 fd = xopen(filename, O_RDONLY);
105 storepos = xlseek(fd, 96, SEEK_CUR); /* Seek past the unused lead */
109 /* 1st pass is the signature headers, 2nd is the main stuff */
110 for (pass = 0; pass < 2; pass++) {
111 struct rpm_header header;
114 xread(fd, &header, sizeof(header));
115 if (header.magic_and_ver != htonl(RPM_HEADER_MAGICnVER))
116 bb_error_msg_and_die("invalid RPM header magic in '%s'", filename);
117 header.size = ntohl(header.size);
118 cnt = ntohl(header.entries);
119 storepos += sizeof(header) + cnt * 16;
122 tags = xrealloc(tags, sizeof(tags[0]) * G.tagcount);
123 xread(fd, &tags[idx], sizeof(tags[0]) * cnt);
125 rpm_index *tag = &tags[idx];
126 tag->tag = ntohl(tag->tag);
127 tag->type = ntohl(tag->type);
128 tag->count = ntohl(tag->count);
129 tag->offset = storepos + ntohl(tag->offset);
134 /* Skip padding to 8 byte boundary after reading signature headers */
136 while (header.size & 7)
138 /* Seek past store */
139 storepos = xlseek(fd, header.size, SEEK_CUR);
144 storepos = (storepos + G.pagesize) & -(int)G.pagesize;
145 /* remember size for munmap */
146 G.mapsize = storepos;
147 /* some NOMMU systems prefer MAP_PRIVATE over MAP_SHARED */
148 G.map = mmap(0, storepos, PROT_READ, MAP_PRIVATE, fd, 0);
149 if (G.map == MAP_FAILED)
150 bb_perror_msg_and_die("mmap '%s'", filename);
155 static int bsearch_rpmtag(const void *key, const void *item)
157 int *tag = (int *)key;
158 rpm_index *tmp = (rpm_index *) item;
159 return (*tag - tmp->tag);
162 static char *rpm_getstr(int tag, int itemindex)
165 found = bsearch(&tag, G.mytags, G.tagcount, sizeof(G.mytags[0]), bsearch_rpmtag);
166 if (!found || itemindex >= found->count)
168 if (found->type == RPM_STRING_TYPE
169 || found->type == RPM_I18NSTRING_TYPE
170 || found->type == RPM_STRING_ARRAY_TYPE
173 char *tmpstr = (char *) G.map + found->offset;
174 for (n = 0; n < itemindex; n++)
175 tmpstr = tmpstr + strlen(tmpstr) + 1;
180 static char *rpm_getstr0(int tag)
182 return rpm_getstr(tag, 0);
187 static int rpm_getint(int tag, int itemindex)
192 /* gcc throws warnings here when sizeof(void*)!=sizeof(int) ...
193 * it's ok to ignore it because tag won't be used as a pointer */
194 found = bsearch(&tag, G.mytags, G.tagcount, sizeof(G.mytags[0]), bsearch_rpmtag);
195 if (!found || itemindex >= found->count)
198 tmpint = (char *) G.map + found->offset;
199 if (found->type == RPM_INT32_TYPE) {
200 tmpint += itemindex*4;
201 return ntohl(*(int32_t*)tmpint);
203 if (found->type == RPM_INT16_TYPE) {
204 tmpint += itemindex*2;
205 return ntohs(*(int16_t*)tmpint);
207 if (found->type == RPM_INT8_TYPE) {
209 return *(int8_t*)tmpint;
214 static int rpm_getcount(int tag)
217 found = bsearch(&tag, G.mytags, G.tagcount, sizeof(G.mytags[0]), bsearch_rpmtag);
223 static void fileaction_dobackup(char *filename, int fileref)
228 if (rpm_getint(TAG_FILEFLAGS, fileref) & RPMFILE_CONFIG) {
229 /* Only need to backup config files */
230 stat_res = lstat(filename, &oldfile);
231 if (stat_res == 0 && S_ISREG(oldfile.st_mode)) {
232 /* File already exists - really should check MD5's etc to see if different */
233 newname = xasprintf("%s.rpmorig", filename);
234 copy_file(filename, newname, FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS);
235 remove_file(filename, FILEUTILS_RECUR | FILEUTILS_FORCE);
241 static void fileaction_setowngrp(char *filename, int fileref)
243 /* real rpm warns: "user foo does not exist - using <you>" */
244 struct passwd *pw = getpwnam(rpm_getstr(TAG_FILEUSERNAME, fileref));
245 int uid = pw ? pw->pw_uid : getuid(); /* or euid? */
246 struct group *gr = getgrnam(rpm_getstr(TAG_FILEGROUPNAME, fileref));
247 int gid = gr ? gr->gr_gid : getgid();
248 chown(filename, uid, gid);
251 static void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref))
254 while (rpm_getstr(filetag, count)) {
255 char* filename = xasprintf("%s%s",
256 rpm_getstr(TAG_DIRNAMES, rpm_getint(TAG_DIRINDEXES, count)),
257 rpm_getstr(TAG_BASENAMES, count));
258 fileaction(filename, count++);
264 static void print_all_tags(void)
267 while (i < G.tagcount) {
268 rpm_index *tag = &G.mytags[i];
269 if (tag->type == RPM_STRING_TYPE
270 || tag->type == RPM_I18NSTRING_TYPE
271 || tag->type == RPM_STRING_ARRAY_TYPE
274 char *str = (char *) G.map + tag->offset;
276 printf("tag[%u] %08x type %08x offset %08x count %d '%s'\n",
277 i, tag->tag, tag->type, tag->offset, tag->count, str
279 for (n = 1; n < tag->count; n++) {
280 str += strlen(str) + 1;
281 printf("\t'%s'\n", str);
288 #define print_all_tags() ((void)0)
291 static void extract_cpio(int fd, const char *source_rpm)
293 archive_handle_t *archive_handle;
295 if (source_rpm != NULL) {
296 /* Binary rpm (it was built from some SRPM), install to root */
298 } /* else: SRPM, install to current dir */
301 archive_handle = init_handle();
302 archive_handle->seek = seek_by_read;
303 archive_handle->action_data = data_extract_all;
304 #if 0 /* For testing (rpm -i only lists the files in internal cpio): */
305 archive_handle->action_header = header_list;
306 archive_handle->action_data = data_skip;
308 archive_handle->ah_flags = ARCHIVE_RESTORE_DATE | ARCHIVE_CREATE_LEADING_DIRS
309 /* compat: overwrite existing files.
310 * try "rpm -i foo.src.rpm" few times in a row -
311 * standard rpm will not complain.
313 | ARCHIVE_REPLACE_VIA_RENAME;
314 archive_handle->src_fd = fd;
315 /*archive_handle->offset = 0; - init_handle() did it */
317 setup_unzip_on_fd(archive_handle->src_fd, /*fail_if_not_compressed:*/ 1);
318 while (get_header_cpio(archive_handle) == EXIT_SUCCESS)
322 //usage:#define rpm_trivial_usage
323 //usage: "-i PACKAGE.rpm; rpm -qp[ildc] PACKAGE.rpm"
324 //usage:#define rpm_full_usage "\n\n"
325 //usage: "Manipulate RPM packages\n"
326 //usage: "\nCommands:"
327 //usage: "\n -i Install package"
328 //usage: "\n -qp Query package"
329 //usage: "\n -qpi Show information"
330 //usage: "\n -qpl List contents"
331 //usage: "\n -qpd List documents"
332 //usage: "\n -qpc List config files"
334 /* RPM version 4.13.0.1:
335 * Unlike -q, -i seems to imply -p: -i, -ip and -pi work the same.
336 * OTOH, with -q order is important: "-piq FILE.rpm" works as -qp, not -qpi
337 * (IOW: shows only package name, not package info).
338 * "-iq ARG" works as -q: treats ARG as package name, not a file.
340 * "man rpm" on -l option and options implying it:
341 * -l, --list List files in package.
342 * -c, --configfiles List only configuration files (implies -l).
343 * -d, --docfiles List only documentation files (implies -l).
344 * -L, --licensefiles List only license files (implies -l).
345 * --dump Dump file information as follows (implies -l):
346 * path size mtime digest mode owner group isconfig isdoc rdev symlink
347 * -s, --state Display the states of files in the package (implies -l).
348 * The state of each file is one of normal, not installed, or replaced.
350 * Looks like we can switch to getopt32 here: in practice, people
351 * do place -q first if they intend to use it (misinterpreting "-piq" wouldn't matter).
353 int rpm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
354 int rpm_main(int argc, char **argv)
359 G.pagesize = getpagesize();
361 while ((opt = getopt(argc, argv, "iqpldc")) != -1) {
363 case 'i': /* First arg: Install mode, with q: Information */
364 if (!func) func = rpm_install;
365 else func |= rpm_query_info;
367 case 'q': /* First arg: Query mode */
368 if (func) bb_show_usage();
371 case 'p': /* Query a package (IOW: .rpm file, we are not querying RPMDB) */
372 func |= rpm_query_package;
374 case 'l': /* List files in a package */
375 func |= rpm_query_list;
377 case 'd': /* List doc files in a package (implies -l) */
378 func |= rpm_query_list;
379 func |= rpm_query_list_doc;
381 case 'c': /* List config files in a package (implies -l) */
382 func |= rpm_query_list;
383 func |= rpm_query_list_config;
397 const char *source_rpm;
399 rpm_fd = rpm_gettags(*argv);
402 source_rpm = rpm_getstr0(TAG_SOURCERPM);
404 if (func & rpm_install) {
405 /* -i (and not -qi) */
407 /* Backup any config files */
408 loop_through_files(TAG_BASENAMES, fileaction_dobackup);
409 /* Extact the archive */
410 extract_cpio(rpm_fd, source_rpm);
411 /* Set the correct file uid/gid's */
412 loop_through_files(TAG_BASENAMES, fileaction_setowngrp);
415 if ((func & (rpm_query|rpm_query_package)) == (rpm_query|rpm_query_package)) {
418 if (!(func & (rpm_query_info|rpm_query_list))) {
419 /* If just a straight query, just give package name */
420 printf("%s-%s-%s\n", rpm_getstr0(TAG_NAME), rpm_getstr0(TAG_VERSION), rpm_getstr0(TAG_RELEASE));
422 if (func & rpm_query_info) {
423 /* Do the nice printout */
425 struct tm *bdate_ptm;
426 char bdatestring[50];
429 printf("%-12s: %s\n", "Name" , rpm_getstr0(TAG_NAME));
430 /* TODO compat: add "Epoch" here */
431 printf("%-12s: %s\n", "Version" , rpm_getstr0(TAG_VERSION));
432 printf("%-12s: %s\n", "Release" , rpm_getstr0(TAG_RELEASE));
433 /* add "Architecture" */
434 /* printf("%-12s: %s\n", "Install Date", "(not installed)"); - we don't know */
435 printf("%-12s: %s\n", "Group" , rpm_getstr0(TAG_GROUP));
436 printf("%-12s: %d\n", "Size" , rpm_getint(TAG_SIZE, 0));
437 printf("%-12s: %s\n", "License" , rpm_getstr0(TAG_LICENSE));
438 /* add "Signature" */
439 printf("%-12s: %s\n", "Source RPM" , source_rpm ? source_rpm : "(none)");
440 bdate_time = rpm_getint(TAG_BUILDTIME, 0);
441 bdate_ptm = localtime(&bdate_time);
442 strftime(bdatestring, 50, "%a %d %b %Y %T %Z", bdate_ptm);
443 printf("%-12s: %s\n", "Build Date" , bdatestring);
444 printf("%-12s: %s\n", "Build Host" , rpm_getstr0(TAG_BUILDHOST));
445 p = rpm_getstr0(TAG_PREFIXS);
446 printf("%-12s: %s\n", "Relocations" , p ? p : "(not relocatable)");
448 p = rpm_getstr0(TAG_VENDOR);
449 if (p) /* rpm 4.13.0.1 does not show "(none)" for Vendor: */
450 printf("%-12s: %s\n", "Vendor" , p);
451 p = rpm_getstr0(TAG_URL);
452 if (p) /* rpm 4.13.0.1 does not show "(none)"/"(null)" for URL: */
453 printf("%-12s: %s\n", "URL" , p);
454 printf("%-12s: %s\n", "Summary" , rpm_getstr0(TAG_SUMMARY));
455 printf("Description :\n%s\n", rpm_getstr0(TAG_DESCRIPTION));
457 if (func & rpm_query_list) {
458 int count, it, flags;
459 count = rpm_getcount(TAG_BASENAMES);
460 for (it = 0; it < count; it++) {
461 flags = rpm_getint(TAG_FILEFLAGS, it);
462 switch (func & (rpm_query_list_doc|rpm_query_list_config)) {
463 case rpm_query_list_doc:
464 if (!(flags & RPMFILE_DOC)) continue;
466 case rpm_query_list_config:
467 if (!(flags & RPMFILE_CONFIG)) continue;
469 case rpm_query_list_doc|rpm_query_list_config:
470 if (!(flags & (RPMFILE_CONFIG|RPMFILE_DOC))) continue;
474 rpm_getstr(TAG_DIRNAMES, rpm_getint(TAG_DIRINDEXES, it)),
475 rpm_getstr(TAG_BASENAMES, it));
479 /* Unsupported (help text shows what we support) */
484 munmap(G.map, G.mapsize);
495 * Mini rpm2cpio implementation for busybox
497 * Copyright (C) 2001 by Laurence Anderson
499 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
501 //config:config RPM2CPIO
502 //config: bool "rpm2cpio (21 kb)"
505 //config: Converts a RPM file into a CPIO archive.
507 //applet:IF_RPM2CPIO(APPLET(rpm2cpio, BB_DIR_USR_BIN, BB_SUID_DROP))
509 //kbuild:lib-$(CONFIG_RPM2CPIO) += rpm.o
511 //usage:#define rpm2cpio_trivial_usage
512 //usage: "PACKAGE.rpm"
513 //usage:#define rpm2cpio_full_usage "\n\n"
514 //usage: "Output a cpio archive of the rpm file"
518 /* No getopt required */
519 int rpm2cpio_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
520 int rpm2cpio_main(int argc UNUSED_PARAM, char **argv)
526 G.pagesize = getpagesize();
528 rpm_fd = rpm_gettags(argv[1]);
530 //if (SEAMLESS_COMPRESSION) - we do this at the end instead.
531 // /* We need to know whether child (gzip/bzip/etc) exits abnormally */
532 // signal(SIGCHLD, check_errors_in_children);
534 if (ENABLE_FEATURE_SEAMLESS_LZMA
535 && (str = rpm_getstr0(TAG_PAYLOADCOMPRESSOR)) != NULL
536 && strcmp(str, "lzma") == 0
538 // lzma compression can't be detected
539 // set up decompressor without detection
540 setup_lzma_on_fd(rpm_fd);
542 setup_unzip_on_fd(rpm_fd, /*fail_if_not_compressed:*/ 1);
545 if (bb_copyfd_eof(rpm_fd, STDOUT_FILENO) < 0)
546 bb_simple_error_msg_and_die("error unpacking");
548 if (ENABLE_FEATURE_CLEAN_UP) {
552 if (SEAMLESS_COMPRESSION) {
553 check_errors_in_children(0);
554 return bb_got_signal;
559 #endif /* RPM2CPIO */