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 (33 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 void extract_cpio(int fd, const char *source_rpm)
93 archive_handle_t *archive_handle;
95 if (source_rpm != NULL) {
96 /* Binary rpm (it was built from some SRPM), install to root */
98 } /* else: SRPM, install to current dir */
101 archive_handle = init_handle();
102 archive_handle->seek = seek_by_read;
103 archive_handle->action_data = data_extract_all;
104 #if 0 /* For testing (rpm -i only lists the files in internal cpio): */
105 archive_handle->action_header = header_list;
106 archive_handle->action_data = data_skip;
108 archive_handle->ah_flags = ARCHIVE_RESTORE_DATE | ARCHIVE_CREATE_LEADING_DIRS
109 /* compat: overwrite existing files.
110 * try "rpm -i foo.src.rpm" few times in a row -
111 * standard rpm will not complain.
113 | ARCHIVE_REPLACE_VIA_RENAME;
114 archive_handle->src_fd = fd;
115 /*archive_handle->offset = 0; - init_handle() did it */
117 setup_unzip_on_fd(archive_handle->src_fd, /*fail_if_not_compressed:*/ 1);
118 while (get_header_cpio(archive_handle) == EXIT_SUCCESS)
122 static int rpm_gettags(const char *filename)
129 if (!filename) { /* rpm2cpio w/o filename? */
130 filename = bb_msg_standard_output;
133 fd = xopen(filename, O_RDONLY);
136 storepos = xlseek(fd, 96, SEEK_CUR); /* Seek past the unused lead */
140 /* 1st pass is the signature headers, 2nd is the main stuff */
141 for (pass = 0; pass < 2; pass++) {
142 struct rpm_header header;
145 xread(fd, &header, sizeof(header));
146 if (header.magic_and_ver != htonl(RPM_HEADER_MAGICnVER))
147 bb_error_msg_and_die("invalid RPM header magic in '%s'", filename);
148 header.size = ntohl(header.size);
149 cnt = ntohl(header.entries);
150 storepos += sizeof(header) + cnt * 16;
153 tags = xrealloc(tags, sizeof(tags[0]) * G.tagcount);
154 xread(fd, &tags[idx], sizeof(tags[0]) * cnt);
156 rpm_index *tag = &tags[idx];
157 tag->tag = ntohl(tag->tag);
158 tag->type = ntohl(tag->type);
159 tag->count = ntohl(tag->count);
160 tag->offset = storepos + ntohl(tag->offset);
165 /* Skip padding to 8 byte boundary after reading signature headers */
167 while (header.size & 7)
169 /* Seek past store */
170 storepos = xlseek(fd, header.size, SEEK_CUR);
175 storepos = (storepos + G.pagesize) & -(int)G.pagesize;
176 /* remember size for munmap */
177 G.mapsize = storepos;
178 /* some NOMMU systems prefer MAP_PRIVATE over MAP_SHARED */
179 G.map = mmap(0, storepos, PROT_READ, MAP_PRIVATE, fd, 0);
180 if (G.map == MAP_FAILED)
181 bb_perror_msg_and_die("mmap '%s'", filename);
186 static int bsearch_rpmtag(const void *key, const void *item)
188 int *tag = (int *)key;
189 rpm_index *tmp = (rpm_index *) item;
190 return (*tag - tmp->tag);
193 static int rpm_getcount(int tag)
196 found = bsearch(&tag, G.mytags, G.tagcount, sizeof(G.mytags[0]), bsearch_rpmtag);
202 static char *rpm_getstr(int tag, int itemindex)
205 found = bsearch(&tag, G.mytags, G.tagcount, sizeof(G.mytags[0]), bsearch_rpmtag);
206 if (!found || itemindex >= found->count)
208 if (found->type == RPM_STRING_TYPE
209 || found->type == RPM_I18NSTRING_TYPE
210 || found->type == RPM_STRING_ARRAY_TYPE
213 char *tmpstr = (char *) G.map + found->offset;
214 for (n = 0; n < itemindex; n++)
215 tmpstr = tmpstr + strlen(tmpstr) + 1;
220 static char *rpm_getstr0(int tag)
222 return rpm_getstr(tag, 0);
225 static int rpm_getint(int tag, int itemindex)
230 /* gcc throws warnings here when sizeof(void*)!=sizeof(int) ...
231 * it's ok to ignore it because tag won't be used as a pointer */
232 found = bsearch(&tag, G.mytags, G.tagcount, sizeof(G.mytags[0]), bsearch_rpmtag);
233 if (!found || itemindex >= found->count)
236 tmpint = (char *) G.map + found->offset;
237 if (found->type == RPM_INT32_TYPE) {
238 tmpint += itemindex*4;
239 return ntohl(*(int32_t*)tmpint);
241 if (found->type == RPM_INT16_TYPE) {
242 tmpint += itemindex*2;
243 return ntohs(*(int16_t*)tmpint);
245 if (found->type == RPM_INT8_TYPE) {
247 return *(int8_t*)tmpint;
252 static void fileaction_dobackup(char *filename, int fileref)
257 if (rpm_getint(TAG_FILEFLAGS, fileref) & RPMFILE_CONFIG) {
258 /* Only need to backup config files */
259 stat_res = lstat(filename, &oldfile);
260 if (stat_res == 0 && S_ISREG(oldfile.st_mode)) {
261 /* File already exists - really should check MD5's etc to see if different */
262 newname = xasprintf("%s.rpmorig", filename);
263 copy_file(filename, newname, FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS);
264 remove_file(filename, FILEUTILS_RECUR | FILEUTILS_FORCE);
270 static void fileaction_setowngrp(char *filename, int fileref)
272 /* real rpm warns: "user foo does not exist - using <you>" */
273 struct passwd *pw = getpwnam(rpm_getstr(TAG_FILEUSERNAME, fileref));
274 int uid = pw ? pw->pw_uid : getuid(); /* or euid? */
275 struct group *gr = getgrnam(rpm_getstr(TAG_FILEGROUPNAME, fileref));
276 int gid = gr ? gr->gr_gid : getgid();
277 chown(filename, uid, gid);
280 static void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref))
283 while (rpm_getstr(filetag, count)) {
284 char* filename = xasprintf("%s%s",
285 rpm_getstr(TAG_DIRNAMES, rpm_getint(TAG_DIRINDEXES, count)),
286 rpm_getstr(TAG_BASENAMES, count));
287 fileaction(filename, count++);
293 static void print_all_tags(void)
296 while (i < G.tagcount) {
297 rpm_index *tag = &G.mytags[i];
298 if (tag->type == RPM_STRING_TYPE
299 || tag->type == RPM_I18NSTRING_TYPE
300 || tag->type == RPM_STRING_ARRAY_TYPE
303 char *str = (char *) G.map + tag->offset;
305 printf("tag[%u] %08x type %08x offset %08x count %d '%s'\n",
306 i, tag->tag, tag->type, tag->offset, tag->count, str
308 for (n = 1; n < tag->count; n++) {
309 str += strlen(str) + 1;
310 printf("\t'%s'\n", str);
317 #define print_all_tags() ((void)0)
320 //usage:#define rpm_trivial_usage
321 //usage: "-i PACKAGE.rpm; rpm -qp[ildc] PACKAGE.rpm"
322 //usage:#define rpm_full_usage "\n\n"
323 //usage: "Manipulate RPM packages\n"
324 //usage: "\nCommands:"
325 //usage: "\n -i Install package"
326 //usage: "\n -qp Query package"
327 //usage: "\n -qpi Show information"
328 //usage: "\n -qpl List contents"
329 //usage: "\n -qpd List documents"
330 //usage: "\n -qpc List config files"
332 /* RPM version 4.13.0.1:
333 * Unlike -q, -i seems to imply -p: -i, -ip and -pi work the same.
334 * OTOH, with -q order is important: "-piq FILE.rpm" works as -qp, not -qpi
335 * (IOW: shows only package name, not package info).
336 * "-iq ARG" works as -q: treats ARG as package name, not a file.
338 * "man rpm" on -l option and options implying it:
339 * -l, --list List files in package.
340 * -c, --configfiles List only configuration files (implies -l).
341 * -d, --docfiles List only documentation files (implies -l).
342 * -L, --licensefiles List only license files (implies -l).
343 * --dump Dump file information as follows (implies -l):
344 * path size mtime digest mode owner group isconfig isdoc rdev symlink
345 * -s, --state Display the states of files in the package (implies -l).
346 * The state of each file is one of normal, not installed, or replaced.
348 * Looks like we can switch to getopt32 here: in practice, people
349 * do place -q first if they intend to use it (misinterpreting "-piq" wouldn't matter).
351 int rpm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
352 int rpm_main(int argc, char **argv)
357 G.pagesize = getpagesize();
359 while ((opt = getopt(argc, argv, "iqpldc")) != -1) {
361 case 'i': /* First arg: Install mode, with q: Information */
362 if (!func) func = rpm_install;
363 else func |= rpm_query_info;
365 case 'q': /* First arg: Query mode */
366 if (func) bb_show_usage();
369 case 'p': /* Query a package (IOW: .rpm file, we are not querying RPMDB) */
370 func |= rpm_query_package;
372 case 'l': /* List files in a package */
373 func |= rpm_query_list;
375 case 'd': /* List doc files in a package (implies -l) */
376 func |= rpm_query_list;
377 func |= rpm_query_list_doc;
379 case 'c': /* List config files in a package (implies -l) */
380 func |= rpm_query_list;
381 func |= rpm_query_list_config;
395 const char *source_rpm;
397 rpm_fd = rpm_gettags(*argv);
400 source_rpm = rpm_getstr0(TAG_SOURCERPM);
402 if (func & rpm_install) {
403 /* -i (and not -qi) */
405 /* Backup any config files */
406 loop_through_files(TAG_BASENAMES, fileaction_dobackup);
407 /* Extact the archive */
408 extract_cpio(rpm_fd, source_rpm);
409 /* Set the correct file uid/gid's */
410 loop_through_files(TAG_BASENAMES, fileaction_setowngrp);
413 if ((func & (rpm_query|rpm_query_package)) == (rpm_query|rpm_query_package)) {
416 if (!(func & (rpm_query_info|rpm_query_list))) {
417 /* If just a straight query, just give package name */
418 printf("%s-%s-%s\n", rpm_getstr0(TAG_NAME), rpm_getstr0(TAG_VERSION), rpm_getstr0(TAG_RELEASE));
420 if (func & rpm_query_info) {
421 /* Do the nice printout */
423 struct tm *bdate_ptm;
424 char bdatestring[50];
427 printf("%-12s: %s\n", "Name" , rpm_getstr0(TAG_NAME));
428 /* TODO compat: add "Epoch" here */
429 printf("%-12s: %s\n", "Version" , rpm_getstr0(TAG_VERSION));
430 printf("%-12s: %s\n", "Release" , rpm_getstr0(TAG_RELEASE));
431 /* add "Architecture" */
432 /* printf("%-12s: %s\n", "Install Date", "(not installed)"); - we don't know */
433 printf("%-12s: %s\n", "Group" , rpm_getstr0(TAG_GROUP));
434 printf("%-12s: %d\n", "Size" , rpm_getint(TAG_SIZE, 0));
435 printf("%-12s: %s\n", "License" , rpm_getstr0(TAG_LICENSE));
436 /* add "Signature" */
437 printf("%-12s: %s\n", "Source RPM" , source_rpm ? source_rpm : "(none)");
438 bdate_time = rpm_getint(TAG_BUILDTIME, 0);
439 bdate_ptm = localtime(&bdate_time);
440 strftime(bdatestring, 50, "%a %d %b %Y %T %Z", bdate_ptm);
441 printf("%-12s: %s\n", "Build Date" , bdatestring);
442 printf("%-12s: %s\n", "Build Host" , rpm_getstr0(TAG_BUILDHOST));
443 p = rpm_getstr0(TAG_PREFIXS);
444 printf("%-12s: %s\n", "Relocations" , p ? p : "(not relocatable)");
446 p = rpm_getstr0(TAG_VENDOR);
447 if (p) /* rpm 4.13.0.1 does not show "(none)" for Vendor: */
448 printf("%-12s: %s\n", "Vendor" , p);
449 p = rpm_getstr0(TAG_URL);
450 if (p) /* rpm 4.13.0.1 does not show "(none)"/"(null)" for URL: */
451 printf("%-12s: %s\n", "URL" , p);
452 printf("%-12s: %s\n", "Summary" , rpm_getstr0(TAG_SUMMARY));
453 printf("Description :\n%s\n", rpm_getstr0(TAG_DESCRIPTION));
455 if (func & rpm_query_list) {
456 int count, it, flags;
457 count = rpm_getcount(TAG_BASENAMES);
458 for (it = 0; it < count; it++) {
459 flags = rpm_getint(TAG_FILEFLAGS, it);
460 switch (func & (rpm_query_list_doc|rpm_query_list_config)) {
461 case rpm_query_list_doc:
462 if (!(flags & RPMFILE_DOC)) continue;
464 case rpm_query_list_config:
465 if (!(flags & RPMFILE_CONFIG)) continue;
467 case rpm_query_list_doc|rpm_query_list_config:
468 if (!(flags & (RPMFILE_CONFIG|RPMFILE_DOC))) continue;
472 rpm_getstr(TAG_DIRNAMES, rpm_getint(TAG_DIRINDEXES, it)),
473 rpm_getstr(TAG_BASENAMES, it));
477 /* Unsupported (help text shows what we support) */
482 munmap(G.map, G.mapsize);
491 * Mini rpm2cpio implementation for busybox
493 * Copyright (C) 2001 by Laurence Anderson
495 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
497 //config:config RPM2CPIO
498 //config: bool "rpm2cpio (20 kb)"
501 //config: Converts a RPM file into a CPIO archive.
503 //applet:IF_RPM2CPIO(APPLET(rpm2cpio, BB_DIR_USR_BIN, BB_SUID_DROP))
505 //kbuild:lib-$(CONFIG_RPM2CPIO) += rpm.o
507 //usage:#define rpm2cpio_trivial_usage
508 //usage: "PACKAGE.rpm"
509 //usage:#define rpm2cpio_full_usage "\n\n"
510 //usage: "Output a cpio archive of the rpm file"
512 /* No getopt required */
513 int rpm2cpio_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
514 int rpm2cpio_main(int argc UNUSED_PARAM, char **argv)
520 G.pagesize = getpagesize();
522 rpm_fd = rpm_gettags(argv[1]);
524 //if (SEAMLESS_COMPRESSION) - we do this at the end instead.
525 // /* We need to know whether child (gzip/bzip/etc) exits abnormally */
526 // signal(SIGCHLD, check_errors_in_children);
528 if (ENABLE_FEATURE_SEAMLESS_LZMA
529 && (str = rpm_getstr0(TAG_PAYLOADCOMPRESSOR)) != NULL
530 && strcmp(str, "lzma") == 0
532 // lzma compression can't be detected
533 // set up decompressor without detection
534 setup_lzma_on_fd(rpm_fd);
536 setup_unzip_on_fd(rpm_fd, /*fail_if_not_compressed:*/ 1);
539 if (bb_copyfd_eof(rpm_fd, STDOUT_FILENO) < 0)
540 bb_error_msg_and_die("error unpacking");
542 if (ENABLE_FEATURE_CLEAN_UP) {
546 if (SEAMLESS_COMPRESSION) {
547 check_errors_in_children(0);
548 return bb_got_signal;