hush/archival/rpm.c

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2002-12-10 00:17:22 +00:00
/* vi: set sw=4 ts=4: */
/*
* Mini rpm applet for busybox
*
* Copyright (C) 2001,2002 by Laurence Anderson
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
//usage:#define rpm_trivial_usage
//usage: "-i PACKAGE.rpm; rpm -qp[ildc] PACKAGE.rpm"
//usage:#define rpm_full_usage "\n\n"
//usage: "Manipulate RPM packages\n"
//usage: "\nCommands:"
//usage: "\n -i Install package"
//usage: "\n -qp Query package"
//usage: "\n -qpi Show information"
//usage: "\n -qpl List contents"
//usage: "\n -qpd List documents"
//usage: "\n -qpc List config files"
#include "libbb.h"
#include "bb_archive.h"
#include "rpm.h"
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#define RPM_CHAR_TYPE 1
#define RPM_INT8_TYPE 2
#define RPM_INT16_TYPE 3
#define RPM_INT32_TYPE 4
/* #define RPM_INT64_TYPE 5 ---- These aren't supported (yet) */
#define RPM_STRING_TYPE 6
#define RPM_BIN_TYPE 7
#define RPM_STRING_ARRAY_TYPE 8
#define RPM_I18NSTRING_TYPE 9
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#define TAG_NAME 1000
#define TAG_VERSION 1001
#define TAG_RELEASE 1002
#define TAG_SUMMARY 1004
#define TAG_DESCRIPTION 1005
#define TAG_BUILDTIME 1006
#define TAG_BUILDHOST 1007
#define TAG_SIZE 1009
#define TAG_VENDOR 1011
#define TAG_LICENSE 1014
#define TAG_PACKAGER 1015
#define TAG_GROUP 1016
#define TAG_URL 1020
#define TAG_PREIN 1023
#define TAG_POSTIN 1024
#define TAG_FILEFLAGS 1037
#define TAG_FILEUSERNAME 1039
#define TAG_FILEGROUPNAME 1040
#define TAG_SOURCERPM 1044
#define TAG_PREINPROG 1085
#define TAG_POSTINPROG 1086
#define TAG_PREFIXS 1098
#define TAG_DIRINDEXES 1116
#define TAG_BASENAMES 1117
#define TAG_DIRNAMES 1118
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#define RPMFILE_CONFIG (1 << 0)
#define RPMFILE_DOC (1 << 1)
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enum rpm_functions_e {
rpm_query = 1,
rpm_install = 2,
rpm_query_info = 4,
rpm_query_package = 8,
rpm_query_list = 16,
rpm_query_list_doc = 32,
rpm_query_list_config = 64
};
typedef struct {
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uint32_t tag; /* 4 byte tag */
uint32_t type; /* 4 byte type */
uint32_t offset; /* 4 byte offset */
uint32_t count; /* 4 byte count */
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} rpm_index;
struct globals {
void *map;
rpm_index **mytags;
int tagcount;
} FIX_ALIASING;
#define G (*(struct globals*)&bb_common_bufsiz1)
#define INIT_G() do { } while (0)
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static void extract_cpio(int fd, const char *source_rpm)
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{
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archive_handle_t *archive_handle;
if (source_rpm != NULL) {
/* Binary rpm (it was built from some SRPM), install to root */
xchdir("/");
} /* else: SRPM, install to current dir */
/* Initialize */
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archive_handle = init_handle();
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archive_handle->seek = seek_by_read;
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archive_handle->action_data = data_extract_all;
#if 0 /* For testing (rpm -i only lists the files in internal cpio): */
archive_handle->action_header = header_list;
archive_handle->action_data = data_skip;
#endif
archive_handle->ah_flags = ARCHIVE_RESTORE_DATE | ARCHIVE_CREATE_LEADING_DIRS
/* compat: overwrite existing files.
* try "rpm -i foo.src.rpm" few times in a row -
* standard rpm will not complain.
*/
| ARCHIVE_REPLACE_VIA_RENAME;
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archive_handle->src_fd = fd;
/*archive_handle->offset = 0; - init_handle() did it */
setup_unzip_on_fd(archive_handle->src_fd, /*fail_if_not_detected:*/ 1);
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while (get_header_cpio(archive_handle) == EXIT_SUCCESS)
continue;
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}
- merge -r15463:15564 from busybox_scratch branch through these changesets: ------------------------------------------------------------------------ r15465 | aldot | 2006-06-21 20:48:06 +0200 (Wed, 21 Jun 2006) | 3 lines - use CONFIG_BUSYBOX_EXEC_PATH as before it one was broken by a recent revert. - use xchdir() since all is invain if it fails there anyways, supposedly ------------------------------------------------------------------------ r15466 | aldot | 2006-06-21 20:55:16 +0200 (Wed, 21 Jun 2006) | 2 lines - adjust docs to take CONFIG_BUSYBOX_EXEC_PATH into account. ------------------------------------------------------------------------ r15467 | aldot | 2006-06-21 21:31:24 +0200 (Wed, 21 Jun 2006) | 18 lines - partial fallout of my TREE_USED touchup against gcc-4.2: rip unused vars, save s 144 bytes text data bss dec hex filename 862434 10156 645924 1518514 172bb2 busybox.old 862322 10156 645892 1518370 172b22 busybox function old new delta z_len 4 - -4 textend 4 - -4 part_nb 4 - -4 insize 4 - -4 ifile_size 4 - -4 do_link 4 - -4 new_text 70 60 -10 ipaddr_list_link 33 23 -10 gzip_main 898 822 -76 ------------------------------------------------------------------------------ (add/remove: 0/6 grow/shrink: 0/3 up/down: 0/-120) Total: -120 bytes ------------------------------------------------------------------------ r15468 | aldot | 2006-06-21 21:43:05 +0200 (Wed, 21 Jun 2006) | 19 lines - remove useless global exports function old new delta rpm_main 940 1601 +661 rpm_getstring 107 112 +5 rpm_getint 148 153 +5 loop_through_files 103 106 +3 fileaction_dobackup 115 113 -2 fileaction_list 5 - -5 rpm_getcount 42 - -42 extract_cpio_gz 161 - -161 rpm_gettags 504 - -504 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 4/1 up/down: 674/-714) Total: -40 bytes text data bss dec hex filename 862322 10156 645892 1518370 172b22 busybox.old 862290 10156 645892 1518338 172b02 busybox ------------------------------------------------------------------------ r15555 | aldot | 2006-06-30 14:10:11 +0200 (Fri, 30 Jun 2006) | 22 lines - shrink syslog a little bit, move a big buffer (for 'line') off the bss, fold s emaphore stuff into single caller manually. stats: function old new delta logMessage 395 427 +32 message 1245 1257 +12 opts - 4 +4 small 1 - -1 local_logging 4 - -4 doRemoteLog 4 - -4 circular_logging 4 - -4 syslogd_main 1299 1285 -14 static.res 36 16 -20 .rodata 186650 186586 -64 static.line 1025 - -1025 ------------------------------------------------------------------------------ (add/remove: 1/5 grow/shrink: 2/3 up/down: 48/-1136) Total: -1088 bytes cow@s37:~/src/busybox_scratch$ size sysklogd/syslogd.o{.orig,} text data bss dec hex filename 3723 348 5242 9313 2461 sysklogd/syslogd.o.orig 3697 348 4188 8233 2029 sysklogd/syslogd.o ============================================================================== Overall bloatcheck for the changeset mentioned above: function old new delta rpm_main 953 1608 +655 logMessage 395 427 +32 message 1245 1257 +12 opts - 4 +4 rpm_getstring 107 110 +3 rpm_getint 148 151 +3 loop_through_files 103 104 +1 small 1 - -1 fileaction_dobackup 115 113 -2 z_len 4 - -4 textend 4 - -4 part_nb 4 - -4 local_logging 4 - -4 insize 4 - -4 ifile_size 4 - -4 do_link 4 - -4 doRemoteLog 4 - -4 circular_logging 4 - -4 fileaction_list 5 - -5 new_text 70 60 -10 ipaddr_list_link 33 23 -10 clear_bufs 31 21 -10 syslogd_main 1287 1273 -14 builtin_help 190 176 -14 static.res 36 16 -20 builtin_source 229 199 -30 rpm_getcount 42 - -42 gzip_main 842 786 -56 .rodata 227176 227112 -64 lash_main 609 527 -82 busy_loop 3883 3739 -144 extract_cpio_gz 155 - -155 rpm_gettags 501 - -501 static.line 1025 - -1025 ------------------------------------------------------------------------------ (add/remove: 1/15 grow/shrink: 6/12 up/down: 710/-2221) Total: -1511 bytes
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static rpm_index **rpm_gettags(int fd, int *num_tags)
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{
/* We should never need more than 200 (shrink via realloc later) */
rpm_index **tags = xzalloc(200 * sizeof(tags[0]));
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int pass, tagindex = 0;
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xlseek(fd, 96, SEEK_CUR); /* Seek past the unused lead */
/* 1st pass is the signature headers, 2nd is the main stuff */
for (pass = 0; pass < 2; pass++) {
struct rpm_header header;
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rpm_index *tmpindex;
int storepos;
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xread(fd, &header, sizeof(header));
if (header.magic_and_ver != htonl(RPM_HEADER_MAGICnVER))
return NULL; /* Invalid magic, or not version 1 */
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header.size = ntohl(header.size);
header.entries = ntohl(header.entries);
storepos = xlseek(fd, 0, SEEK_CUR) + header.entries * 16;
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while (header.entries--) {
tmpindex = tags[tagindex++] = xmalloc(sizeof(*tmpindex));
xread(fd, tmpindex, sizeof(*tmpindex));
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tmpindex->tag = ntohl(tmpindex->tag);
tmpindex->type = ntohl(tmpindex->type);
tmpindex->count = ntohl(tmpindex->count);
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tmpindex->offset = storepos + ntohl(tmpindex->offset);
if (pass == 0)
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tmpindex->tag -= 743;
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}
storepos = xlseek(fd, header.size, SEEK_CUR); /* Seek past store */
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/* Skip padding to 8 byte boundary after reading signature headers */
if (pass == 0)
xlseek(fd, (-storepos) & 0x7, SEEK_CUR);
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}
/* realloc tags to save space */
tags = xrealloc(tags, tagindex * sizeof(tags[0]));
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*num_tags = tagindex;
/* All done, leave the file at the start of the gzipped cpio archive */
return tags;
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}
- merge -r15463:15564 from busybox_scratch branch through these changesets: ------------------------------------------------------------------------ r15465 | aldot | 2006-06-21 20:48:06 +0200 (Wed, 21 Jun 2006) | 3 lines - use CONFIG_BUSYBOX_EXEC_PATH as before it one was broken by a recent revert. - use xchdir() since all is invain if it fails there anyways, supposedly ------------------------------------------------------------------------ r15466 | aldot | 2006-06-21 20:55:16 +0200 (Wed, 21 Jun 2006) | 2 lines - adjust docs to take CONFIG_BUSYBOX_EXEC_PATH into account. ------------------------------------------------------------------------ r15467 | aldot | 2006-06-21 21:31:24 +0200 (Wed, 21 Jun 2006) | 18 lines - partial fallout of my TREE_USED touchup against gcc-4.2: rip unused vars, save s 144 bytes text data bss dec hex filename 862434 10156 645924 1518514 172bb2 busybox.old 862322 10156 645892 1518370 172b22 busybox function old new delta z_len 4 - -4 textend 4 - -4 part_nb 4 - -4 insize 4 - -4 ifile_size 4 - -4 do_link 4 - -4 new_text 70 60 -10 ipaddr_list_link 33 23 -10 gzip_main 898 822 -76 ------------------------------------------------------------------------------ (add/remove: 0/6 grow/shrink: 0/3 up/down: 0/-120) Total: -120 bytes ------------------------------------------------------------------------ r15468 | aldot | 2006-06-21 21:43:05 +0200 (Wed, 21 Jun 2006) | 19 lines - remove useless global exports function old new delta rpm_main 940 1601 +661 rpm_getstring 107 112 +5 rpm_getint 148 153 +5 loop_through_files 103 106 +3 fileaction_dobackup 115 113 -2 fileaction_list 5 - -5 rpm_getcount 42 - -42 extract_cpio_gz 161 - -161 rpm_gettags 504 - -504 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 4/1 up/down: 674/-714) Total: -40 bytes text data bss dec hex filename 862322 10156 645892 1518370 172b22 busybox.old 862290 10156 645892 1518338 172b02 busybox ------------------------------------------------------------------------ r15555 | aldot | 2006-06-30 14:10:11 +0200 (Fri, 30 Jun 2006) | 22 lines - shrink syslog a little bit, move a big buffer (for 'line') off the bss, fold s emaphore stuff into single caller manually. stats: function old new delta logMessage 395 427 +32 message 1245 1257 +12 opts - 4 +4 small 1 - -1 local_logging 4 - -4 doRemoteLog 4 - -4 circular_logging 4 - -4 syslogd_main 1299 1285 -14 static.res 36 16 -20 .rodata 186650 186586 -64 static.line 1025 - -1025 ------------------------------------------------------------------------------ (add/remove: 1/5 grow/shrink: 2/3 up/down: 48/-1136) Total: -1088 bytes cow@s37:~/src/busybox_scratch$ size sysklogd/syslogd.o{.orig,} text data bss dec hex filename 3723 348 5242 9313 2461 sysklogd/syslogd.o.orig 3697 348 4188 8233 2029 sysklogd/syslogd.o ============================================================================== Overall bloatcheck for the changeset mentioned above: function old new delta rpm_main 953 1608 +655 logMessage 395 427 +32 message 1245 1257 +12 opts - 4 +4 rpm_getstring 107 110 +3 rpm_getint 148 151 +3 loop_through_files 103 104 +1 small 1 - -1 fileaction_dobackup 115 113 -2 z_len 4 - -4 textend 4 - -4 part_nb 4 - -4 local_logging 4 - -4 insize 4 - -4 ifile_size 4 - -4 do_link 4 - -4 doRemoteLog 4 - -4 circular_logging 4 - -4 fileaction_list 5 - -5 new_text 70 60 -10 ipaddr_list_link 33 23 -10 clear_bufs 31 21 -10 syslogd_main 1287 1273 -14 builtin_help 190 176 -14 static.res 36 16 -20 builtin_source 229 199 -30 rpm_getcount 42 - -42 gzip_main 842 786 -56 .rodata 227176 227112 -64 lash_main 609 527 -82 busy_loop 3883 3739 -144 extract_cpio_gz 155 - -155 rpm_gettags 501 - -501 static.line 1025 - -1025 ------------------------------------------------------------------------------ (add/remove: 1/15 grow/shrink: 6/12 up/down: 710/-2221) Total: -1511 bytes
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static int bsearch_rpmtag(const void *key, const void *item)
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{
int *tag = (int *)key;
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rpm_index **tmp = (rpm_index **) item;
return (*tag - tmp[0]->tag);
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}
- merge -r15463:15564 from busybox_scratch branch through these changesets: ------------------------------------------------------------------------ r15465 | aldot | 2006-06-21 20:48:06 +0200 (Wed, 21 Jun 2006) | 3 lines - use CONFIG_BUSYBOX_EXEC_PATH as before it one was broken by a recent revert. - use xchdir() since all is invain if it fails there anyways, supposedly ------------------------------------------------------------------------ r15466 | aldot | 2006-06-21 20:55:16 +0200 (Wed, 21 Jun 2006) | 2 lines - adjust docs to take CONFIG_BUSYBOX_EXEC_PATH into account. ------------------------------------------------------------------------ r15467 | aldot | 2006-06-21 21:31:24 +0200 (Wed, 21 Jun 2006) | 18 lines - partial fallout of my TREE_USED touchup against gcc-4.2: rip unused vars, save s 144 bytes text data bss dec hex filename 862434 10156 645924 1518514 172bb2 busybox.old 862322 10156 645892 1518370 172b22 busybox function old new delta z_len 4 - -4 textend 4 - -4 part_nb 4 - -4 insize 4 - -4 ifile_size 4 - -4 do_link 4 - -4 new_text 70 60 -10 ipaddr_list_link 33 23 -10 gzip_main 898 822 -76 ------------------------------------------------------------------------------ (add/remove: 0/6 grow/shrink: 0/3 up/down: 0/-120) Total: -120 bytes ------------------------------------------------------------------------ r15468 | aldot | 2006-06-21 21:43:05 +0200 (Wed, 21 Jun 2006) | 19 lines - remove useless global exports function old new delta rpm_main 940 1601 +661 rpm_getstring 107 112 +5 rpm_getint 148 153 +5 loop_through_files 103 106 +3 fileaction_dobackup 115 113 -2 fileaction_list 5 - -5 rpm_getcount 42 - -42 extract_cpio_gz 161 - -161 rpm_gettags 504 - -504 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 4/1 up/down: 674/-714) Total: -40 bytes text data bss dec hex filename 862322 10156 645892 1518370 172b22 busybox.old 862290 10156 645892 1518338 172b02 busybox ------------------------------------------------------------------------ r15555 | aldot | 2006-06-30 14:10:11 +0200 (Fri, 30 Jun 2006) | 22 lines - shrink syslog a little bit, move a big buffer (for 'line') off the bss, fold s emaphore stuff into single caller manually. stats: function old new delta logMessage 395 427 +32 message 1245 1257 +12 opts - 4 +4 small 1 - -1 local_logging 4 - -4 doRemoteLog 4 - -4 circular_logging 4 - -4 syslogd_main 1299 1285 -14 static.res 36 16 -20 .rodata 186650 186586 -64 static.line 1025 - -1025 ------------------------------------------------------------------------------ (add/remove: 1/5 grow/shrink: 2/3 up/down: 48/-1136) Total: -1088 bytes cow@s37:~/src/busybox_scratch$ size sysklogd/syslogd.o{.orig,} text data bss dec hex filename 3723 348 5242 9313 2461 sysklogd/syslogd.o.orig 3697 348 4188 8233 2029 sysklogd/syslogd.o ============================================================================== Overall bloatcheck for the changeset mentioned above: function old new delta rpm_main 953 1608 +655 logMessage 395 427 +32 message 1245 1257 +12 opts - 4 +4 rpm_getstring 107 110 +3 rpm_getint 148 151 +3 loop_through_files 103 104 +1 small 1 - -1 fileaction_dobackup 115 113 -2 z_len 4 - -4 textend 4 - -4 part_nb 4 - -4 local_logging 4 - -4 insize 4 - -4 ifile_size 4 - -4 do_link 4 - -4 doRemoteLog 4 - -4 circular_logging 4 - -4 fileaction_list 5 - -5 new_text 70 60 -10 ipaddr_list_link 33 23 -10 clear_bufs 31 21 -10 syslogd_main 1287 1273 -14 builtin_help 190 176 -14 static.res 36 16 -20 builtin_source 229 199 -30 rpm_getcount 42 - -42 gzip_main 842 786 -56 .rodata 227176 227112 -64 lash_main 609 527 -82 busy_loop 3883 3739 -144 extract_cpio_gz 155 - -155 rpm_gettags 501 - -501 static.line 1025 - -1025 ------------------------------------------------------------------------------ (add/remove: 1/15 grow/shrink: 6/12 up/down: 710/-2221) Total: -1511 bytes
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static int rpm_getcount(int tag)
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{
rpm_index **found;
found = bsearch(&tag, G.mytags, G.tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
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if (!found)
return 0;
return found[0]->count;
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}
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static char *rpm_getstr(int tag, int itemindex)
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{
rpm_index **found;
found = bsearch(&tag, G.mytags, G.tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
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if (!found || itemindex >= found[0]->count)
return NULL;
if (found[0]->type == RPM_STRING_TYPE
|| found[0]->type == RPM_I18NSTRING_TYPE
|| found[0]->type == RPM_STRING_ARRAY_TYPE
) {
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int n;
char *tmpstr = (char *) G.map + found[0]->offset;
for (n = 0; n < itemindex; n++)
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tmpstr = tmpstr + strlen(tmpstr) + 1;
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return tmpstr;
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}
return NULL;
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}
- merge -r15463:15564 from busybox_scratch branch through these changesets: ------------------------------------------------------------------------ r15465 | aldot | 2006-06-21 20:48:06 +0200 (Wed, 21 Jun 2006) | 3 lines - use CONFIG_BUSYBOX_EXEC_PATH as before it one was broken by a recent revert. - use xchdir() since all is invain if it fails there anyways, supposedly ------------------------------------------------------------------------ r15466 | aldot | 2006-06-21 20:55:16 +0200 (Wed, 21 Jun 2006) | 2 lines - adjust docs to take CONFIG_BUSYBOX_EXEC_PATH into account. ------------------------------------------------------------------------ r15467 | aldot | 2006-06-21 21:31:24 +0200 (Wed, 21 Jun 2006) | 18 lines - partial fallout of my TREE_USED touchup against gcc-4.2: rip unused vars, save s 144 bytes text data bss dec hex filename 862434 10156 645924 1518514 172bb2 busybox.old 862322 10156 645892 1518370 172b22 busybox function old new delta z_len 4 - -4 textend 4 - -4 part_nb 4 - -4 insize 4 - -4 ifile_size 4 - -4 do_link 4 - -4 new_text 70 60 -10 ipaddr_list_link 33 23 -10 gzip_main 898 822 -76 ------------------------------------------------------------------------------ (add/remove: 0/6 grow/shrink: 0/3 up/down: 0/-120) Total: -120 bytes ------------------------------------------------------------------------ r15468 | aldot | 2006-06-21 21:43:05 +0200 (Wed, 21 Jun 2006) | 19 lines - remove useless global exports function old new delta rpm_main 940 1601 +661 rpm_getstring 107 112 +5 rpm_getint 148 153 +5 loop_through_files 103 106 +3 fileaction_dobackup 115 113 -2 fileaction_list 5 - -5 rpm_getcount 42 - -42 extract_cpio_gz 161 - -161 rpm_gettags 504 - -504 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 4/1 up/down: 674/-714) Total: -40 bytes text data bss dec hex filename 862322 10156 645892 1518370 172b22 busybox.old 862290 10156 645892 1518338 172b02 busybox ------------------------------------------------------------------------ r15555 | aldot | 2006-06-30 14:10:11 +0200 (Fri, 30 Jun 2006) | 22 lines - shrink syslog a little bit, move a big buffer (for 'line') off the bss, fold s emaphore stuff into single caller manually. stats: function old new delta logMessage 395 427 +32 message 1245 1257 +12 opts - 4 +4 small 1 - -1 local_logging 4 - -4 doRemoteLog 4 - -4 circular_logging 4 - -4 syslogd_main 1299 1285 -14 static.res 36 16 -20 .rodata 186650 186586 -64 static.line 1025 - -1025 ------------------------------------------------------------------------------ (add/remove: 1/5 grow/shrink: 2/3 up/down: 48/-1136) Total: -1088 bytes cow@s37:~/src/busybox_scratch$ size sysklogd/syslogd.o{.orig,} text data bss dec hex filename 3723 348 5242 9313 2461 sysklogd/syslogd.o.orig 3697 348 4188 8233 2029 sysklogd/syslogd.o ============================================================================== Overall bloatcheck for the changeset mentioned above: function old new delta rpm_main 953 1608 +655 logMessage 395 427 +32 message 1245 1257 +12 opts - 4 +4 rpm_getstring 107 110 +3 rpm_getint 148 151 +3 loop_through_files 103 104 +1 small 1 - -1 fileaction_dobackup 115 113 -2 z_len 4 - -4 textend 4 - -4 part_nb 4 - -4 local_logging 4 - -4 insize 4 - -4 ifile_size 4 - -4 do_link 4 - -4 doRemoteLog 4 - -4 circular_logging 4 - -4 fileaction_list 5 - -5 new_text 70 60 -10 ipaddr_list_link 33 23 -10 clear_bufs 31 21 -10 syslogd_main 1287 1273 -14 builtin_help 190 176 -14 static.res 36 16 -20 builtin_source 229 199 -30 rpm_getcount 42 - -42 gzip_main 842 786 -56 .rodata 227176 227112 -64 lash_main 609 527 -82 busy_loop 3883 3739 -144 extract_cpio_gz 155 - -155 rpm_gettags 501 - -501 static.line 1025 - -1025 ------------------------------------------------------------------------------ (add/remove: 1/15 grow/shrink: 6/12 up/down: 710/-2221) Total: -1511 bytes
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static int rpm_getint(int tag, int itemindex)
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{
rpm_index **found;
char *tmpint;
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/* gcc throws warnings here when sizeof(void*)!=sizeof(int) ...
* it's ok to ignore it because tag won't be used as a pointer */
found = bsearch(&tag, G.mytags, G.tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
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if (!found || itemindex >= found[0]->count)
return -1;
tmpint = (char *) G.map + found[0]->offset;
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if (found[0]->type == RPM_INT32_TYPE) {
tmpint += itemindex*4;
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return ntohl(*(int32_t*)tmpint);
}
if (found[0]->type == RPM_INT16_TYPE) {
tmpint += itemindex*2;
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return ntohs(*(int16_t*)tmpint);
}
if (found[0]->type == RPM_INT8_TYPE) {
tmpint += itemindex;
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return *(int8_t*)tmpint;
}
return -1;
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}
- merge -r15463:15564 from busybox_scratch branch through these changesets: ------------------------------------------------------------------------ r15465 | aldot | 2006-06-21 20:48:06 +0200 (Wed, 21 Jun 2006) | 3 lines - use CONFIG_BUSYBOX_EXEC_PATH as before it one was broken by a recent revert. - use xchdir() since all is invain if it fails there anyways, supposedly ------------------------------------------------------------------------ r15466 | aldot | 2006-06-21 20:55:16 +0200 (Wed, 21 Jun 2006) | 2 lines - adjust docs to take CONFIG_BUSYBOX_EXEC_PATH into account. ------------------------------------------------------------------------ r15467 | aldot | 2006-06-21 21:31:24 +0200 (Wed, 21 Jun 2006) | 18 lines - partial fallout of my TREE_USED touchup against gcc-4.2: rip unused vars, save s 144 bytes text data bss dec hex filename 862434 10156 645924 1518514 172bb2 busybox.old 862322 10156 645892 1518370 172b22 busybox function old new delta z_len 4 - -4 textend 4 - -4 part_nb 4 - -4 insize 4 - -4 ifile_size 4 - -4 do_link 4 - -4 new_text 70 60 -10 ipaddr_list_link 33 23 -10 gzip_main 898 822 -76 ------------------------------------------------------------------------------ (add/remove: 0/6 grow/shrink: 0/3 up/down: 0/-120) Total: -120 bytes ------------------------------------------------------------------------ r15468 | aldot | 2006-06-21 21:43:05 +0200 (Wed, 21 Jun 2006) | 19 lines - remove useless global exports function old new delta rpm_main 940 1601 +661 rpm_getstring 107 112 +5 rpm_getint 148 153 +5 loop_through_files 103 106 +3 fileaction_dobackup 115 113 -2 fileaction_list 5 - -5 rpm_getcount 42 - -42 extract_cpio_gz 161 - -161 rpm_gettags 504 - -504 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 4/1 up/down: 674/-714) Total: -40 bytes text data bss dec hex filename 862322 10156 645892 1518370 172b22 busybox.old 862290 10156 645892 1518338 172b02 busybox ------------------------------------------------------------------------ r15555 | aldot | 2006-06-30 14:10:11 +0200 (Fri, 30 Jun 2006) | 22 lines - shrink syslog a little bit, move a big buffer (for 'line') off the bss, fold s emaphore stuff into single caller manually. stats: function old new delta logMessage 395 427 +32 message 1245 1257 +12 opts - 4 +4 small 1 - -1 local_logging 4 - -4 doRemoteLog 4 - -4 circular_logging 4 - -4 syslogd_main 1299 1285 -14 static.res 36 16 -20 .rodata 186650 186586 -64 static.line 1025 - -1025 ------------------------------------------------------------------------------ (add/remove: 1/5 grow/shrink: 2/3 up/down: 48/-1136) Total: -1088 bytes cow@s37:~/src/busybox_scratch$ size sysklogd/syslogd.o{.orig,} text data bss dec hex filename 3723 348 5242 9313 2461 sysklogd/syslogd.o.orig 3697 348 4188 8233 2029 sysklogd/syslogd.o ============================================================================== Overall bloatcheck for the changeset mentioned above: function old new delta rpm_main 953 1608 +655 logMessage 395 427 +32 message 1245 1257 +12 opts - 4 +4 rpm_getstring 107 110 +3 rpm_getint 148 151 +3 loop_through_files 103 104 +1 small 1 - -1 fileaction_dobackup 115 113 -2 z_len 4 - -4 textend 4 - -4 part_nb 4 - -4 local_logging 4 - -4 insize 4 - -4 ifile_size 4 - -4 do_link 4 - -4 doRemoteLog 4 - -4 circular_logging 4 - -4 fileaction_list 5 - -5 new_text 70 60 -10 ipaddr_list_link 33 23 -10 clear_bufs 31 21 -10 syslogd_main 1287 1273 -14 builtin_help 190 176 -14 static.res 36 16 -20 builtin_source 229 199 -30 rpm_getcount 42 - -42 gzip_main 842 786 -56 .rodata 227176 227112 -64 lash_main 609 527 -82 busy_loop 3883 3739 -144 extract_cpio_gz 155 - -155 rpm_gettags 501 - -501 static.line 1025 - -1025 ------------------------------------------------------------------------------ (add/remove: 1/15 grow/shrink: 6/12 up/down: 710/-2221) Total: -1511 bytes
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static void fileaction_dobackup(char *filename, int fileref)
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{
struct stat oldfile;
int stat_res;
char *newname;
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if (rpm_getint(TAG_FILEFLAGS, fileref) & RPMFILE_CONFIG) {
/* Only need to backup config files */
stat_res = lstat(filename, &oldfile);
if (stat_res == 0 && S_ISREG(oldfile.st_mode)) {
/* File already exists - really should check MD5's etc to see if different */
newname = xasprintf("%s.rpmorig", filename);
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copy_file(filename, newname, FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS);
remove_file(filename, FILEUTILS_RECUR | FILEUTILS_FORCE);
free(newname);
}
}
}
- merge -r15463:15564 from busybox_scratch branch through these changesets: ------------------------------------------------------------------------ r15465 | aldot | 2006-06-21 20:48:06 +0200 (Wed, 21 Jun 2006) | 3 lines - use CONFIG_BUSYBOX_EXEC_PATH as before it one was broken by a recent revert. - use xchdir() since all is invain if it fails there anyways, supposedly ------------------------------------------------------------------------ r15466 | aldot | 2006-06-21 20:55:16 +0200 (Wed, 21 Jun 2006) | 2 lines - adjust docs to take CONFIG_BUSYBOX_EXEC_PATH into account. ------------------------------------------------------------------------ r15467 | aldot | 2006-06-21 21:31:24 +0200 (Wed, 21 Jun 2006) | 18 lines - partial fallout of my TREE_USED touchup against gcc-4.2: rip unused vars, save s 144 bytes text data bss dec hex filename 862434 10156 645924 1518514 172bb2 busybox.old 862322 10156 645892 1518370 172b22 busybox function old new delta z_len 4 - -4 textend 4 - -4 part_nb 4 - -4 insize 4 - -4 ifile_size 4 - -4 do_link 4 - -4 new_text 70 60 -10 ipaddr_list_link 33 23 -10 gzip_main 898 822 -76 ------------------------------------------------------------------------------ (add/remove: 0/6 grow/shrink: 0/3 up/down: 0/-120) Total: -120 bytes ------------------------------------------------------------------------ r15468 | aldot | 2006-06-21 21:43:05 +0200 (Wed, 21 Jun 2006) | 19 lines - remove useless global exports function old new delta rpm_main 940 1601 +661 rpm_getstring 107 112 +5 rpm_getint 148 153 +5 loop_through_files 103 106 +3 fileaction_dobackup 115 113 -2 fileaction_list 5 - -5 rpm_getcount 42 - -42 extract_cpio_gz 161 - -161 rpm_gettags 504 - -504 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 4/1 up/down: 674/-714) Total: -40 bytes text data bss dec hex filename 862322 10156 645892 1518370 172b22 busybox.old 862290 10156 645892 1518338 172b02 busybox ------------------------------------------------------------------------ r15555 | aldot | 2006-06-30 14:10:11 +0200 (Fri, 30 Jun 2006) | 22 lines - shrink syslog a little bit, move a big buffer (for 'line') off the bss, fold s emaphore stuff into single caller manually. stats: function old new delta logMessage 395 427 +32 message 1245 1257 +12 opts - 4 +4 small 1 - -1 local_logging 4 - -4 doRemoteLog 4 - -4 circular_logging 4 - -4 syslogd_main 1299 1285 -14 static.res 36 16 -20 .rodata 186650 186586 -64 static.line 1025 - -1025 ------------------------------------------------------------------------------ (add/remove: 1/5 grow/shrink: 2/3 up/down: 48/-1136) Total: -1088 bytes cow@s37:~/src/busybox_scratch$ size sysklogd/syslogd.o{.orig,} text data bss dec hex filename 3723 348 5242 9313 2461 sysklogd/syslogd.o.orig 3697 348 4188 8233 2029 sysklogd/syslogd.o ============================================================================== Overall bloatcheck for the changeset mentioned above: function old new delta rpm_main 953 1608 +655 logMessage 395 427 +32 message 1245 1257 +12 opts - 4 +4 rpm_getstring 107 110 +3 rpm_getint 148 151 +3 loop_through_files 103 104 +1 small 1 - -1 fileaction_dobackup 115 113 -2 z_len 4 - -4 textend 4 - -4 part_nb 4 - -4 local_logging 4 - -4 insize 4 - -4 ifile_size 4 - -4 do_link 4 - -4 doRemoteLog 4 - -4 circular_logging 4 - -4 fileaction_list 5 - -5 new_text 70 60 -10 ipaddr_list_link 33 23 -10 clear_bufs 31 21 -10 syslogd_main 1287 1273 -14 builtin_help 190 176 -14 static.res 36 16 -20 builtin_source 229 199 -30 rpm_getcount 42 - -42 gzip_main 842 786 -56 .rodata 227176 227112 -64 lash_main 609 527 -82 busy_loop 3883 3739 -144 extract_cpio_gz 155 - -155 rpm_gettags 501 - -501 static.line 1025 - -1025 ------------------------------------------------------------------------------ (add/remove: 1/15 grow/shrink: 6/12 up/down: 710/-2221) Total: -1511 bytes
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static void fileaction_setowngrp(char *filename, int fileref)
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{
/* real rpm warns: "user foo does not exist - using <you>" */
struct passwd *pw = getpwnam(rpm_getstr(TAG_FILEUSERNAME, fileref));
int uid = pw ? pw->pw_uid : getuid(); /* or euid? */
struct group *gr = getgrnam(rpm_getstr(TAG_FILEGROUPNAME, fileref));
int gid = gr ? gr->gr_gid : getgid();
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chown(filename, uid, gid);
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}
- merge -r15463:15564 from busybox_scratch branch through these changesets: ------------------------------------------------------------------------ r15465 | aldot | 2006-06-21 20:48:06 +0200 (Wed, 21 Jun 2006) | 3 lines - use CONFIG_BUSYBOX_EXEC_PATH as before it one was broken by a recent revert. - use xchdir() since all is invain if it fails there anyways, supposedly ------------------------------------------------------------------------ r15466 | aldot | 2006-06-21 20:55:16 +0200 (Wed, 21 Jun 2006) | 2 lines - adjust docs to take CONFIG_BUSYBOX_EXEC_PATH into account. ------------------------------------------------------------------------ r15467 | aldot | 2006-06-21 21:31:24 +0200 (Wed, 21 Jun 2006) | 18 lines - partial fallout of my TREE_USED touchup against gcc-4.2: rip unused vars, save s 144 bytes text data bss dec hex filename 862434 10156 645924 1518514 172bb2 busybox.old 862322 10156 645892 1518370 172b22 busybox function old new delta z_len 4 - -4 textend 4 - -4 part_nb 4 - -4 insize 4 - -4 ifile_size 4 - -4 do_link 4 - -4 new_text 70 60 -10 ipaddr_list_link 33 23 -10 gzip_main 898 822 -76 ------------------------------------------------------------------------------ (add/remove: 0/6 grow/shrink: 0/3 up/down: 0/-120) Total: -120 bytes ------------------------------------------------------------------------ r15468 | aldot | 2006-06-21 21:43:05 +0200 (Wed, 21 Jun 2006) | 19 lines - remove useless global exports function old new delta rpm_main 940 1601 +661 rpm_getstring 107 112 +5 rpm_getint 148 153 +5 loop_through_files 103 106 +3 fileaction_dobackup 115 113 -2 fileaction_list 5 - -5 rpm_getcount 42 - -42 extract_cpio_gz 161 - -161 rpm_gettags 504 - -504 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 4/1 up/down: 674/-714) Total: -40 bytes text data bss dec hex filename 862322 10156 645892 1518370 172b22 busybox.old 862290 10156 645892 1518338 172b02 busybox ------------------------------------------------------------------------ r15555 | aldot | 2006-06-30 14:10:11 +0200 (Fri, 30 Jun 2006) | 22 lines - shrink syslog a little bit, move a big buffer (for 'line') off the bss, fold s emaphore stuff into single caller manually. stats: function old new delta logMessage 395 427 +32 message 1245 1257 +12 opts - 4 +4 small 1 - -1 local_logging 4 - -4 doRemoteLog 4 - -4 circular_logging 4 - -4 syslogd_main 1299 1285 -14 static.res 36 16 -20 .rodata 186650 186586 -64 static.line 1025 - -1025 ------------------------------------------------------------------------------ (add/remove: 1/5 grow/shrink: 2/3 up/down: 48/-1136) Total: -1088 bytes cow@s37:~/src/busybox_scratch$ size sysklogd/syslogd.o{.orig,} text data bss dec hex filename 3723 348 5242 9313 2461 sysklogd/syslogd.o.orig 3697 348 4188 8233 2029 sysklogd/syslogd.o ============================================================================== Overall bloatcheck for the changeset mentioned above: function old new delta rpm_main 953 1608 +655 logMessage 395 427 +32 message 1245 1257 +12 opts - 4 +4 rpm_getstring 107 110 +3 rpm_getint 148 151 +3 loop_through_files 103 104 +1 small 1 - -1 fileaction_dobackup 115 113 -2 z_len 4 - -4 textend 4 - -4 part_nb 4 - -4 local_logging 4 - -4 insize 4 - -4 ifile_size 4 - -4 do_link 4 - -4 doRemoteLog 4 - -4 circular_logging 4 - -4 fileaction_list 5 - -5 new_text 70 60 -10 ipaddr_list_link 33 23 -10 clear_bufs 31 21 -10 syslogd_main 1287 1273 -14 builtin_help 190 176 -14 static.res 36 16 -20 builtin_source 229 199 -30 rpm_getcount 42 - -42 gzip_main 842 786 -56 .rodata 227176 227112 -64 lash_main 609 527 -82 busy_loop 3883 3739 -144 extract_cpio_gz 155 - -155 rpm_gettags 501 - -501 static.line 1025 - -1025 ------------------------------------------------------------------------------ (add/remove: 1/15 grow/shrink: 6/12 up/down: 710/-2221) Total: -1511 bytes
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static void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref))
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{
int count = 0;
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while (rpm_getstr(filetag, count)) {
char* filename = xasprintf("%s%s",
rpm_getstr(TAG_DIRNAMES, rpm_getint(TAG_DIRINDEXES, count)),
rpm_getstr(TAG_BASENAMES, count));
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fileaction(filename, count++);
free(filename);
}
}
int rpm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int rpm_main(int argc, char **argv)
{
int opt, func = 0;
const unsigned pagesize = getpagesize();
while ((opt = getopt(argc, argv, "iqpldc")) != -1) {
switch (opt) {
case 'i': /* First arg: Install mode, with q: Information */
if (!func) func = rpm_install;
else func |= rpm_query_info;
break;
case 'q': /* First arg: Query mode */
if (func) bb_show_usage();
func = rpm_query;
break;
case 'p': /* Query a package */
func |= rpm_query_package;
break;
case 'l': /* List files in a package */
func |= rpm_query_list;
break;
case 'd': /* List doc files in a package (implies list) */
func |= rpm_query_list;
func |= rpm_query_list_doc;
break;
case 'c': /* List config files in a package (implies list) */
func |= rpm_query_list;
func |= rpm_query_list_config;
break;
default:
bb_show_usage();
}
}
argv += optind;
//argc -= optind;
if (!argv[0]) {
bb_show_usage();
}
while (*argv) {
int rpm_fd;
unsigned mapsize;
const char *source_rpm;
rpm_fd = xopen(*argv++, O_RDONLY);
G.mytags = rpm_gettags(rpm_fd, &G.tagcount);
if (!G.mytags)
bb_error_msg_and_die("error reading rpm header");
mapsize = xlseek(rpm_fd, 0, SEEK_CUR);
mapsize = (mapsize + pagesize) & -(int)pagesize;
/* Some NOMMU systems prefer MAP_PRIVATE over MAP_SHARED */
G.map = mmap(0, mapsize, PROT_READ, MAP_PRIVATE, rpm_fd, 0);
//FIXME: error check?
source_rpm = rpm_getstr(TAG_SOURCERPM, 0);
if (func & rpm_install) {
/* Backup any config files */
loop_through_files(TAG_BASENAMES, fileaction_dobackup);
/* Extact the archive */
extract_cpio(rpm_fd, source_rpm);
/* Set the correct file uid/gid's */
loop_through_files(TAG_BASENAMES, fileaction_setowngrp);
}
else if ((func & (rpm_query|rpm_query_package)) == (rpm_query|rpm_query_package)) {
if (!(func & (rpm_query_info|rpm_query_list))) {
/* If just a straight query, just give package name */
printf("%s-%s-%s\n", rpm_getstr(TAG_NAME, 0), rpm_getstr(TAG_VERSION, 0), rpm_getstr(TAG_RELEASE, 0));
}
if (func & rpm_query_info) {
/* Do the nice printout */
time_t bdate_time;
struct tm *bdate_ptm;
char bdatestring[50];
const char *p;
printf("%-12s: %s\n", "Name" , rpm_getstr(TAG_NAME, 0));
/* TODO compat: add "Epoch" here */
printf("%-12s: %s\n", "Version" , rpm_getstr(TAG_VERSION, 0));
printf("%-12s: %s\n", "Release" , rpm_getstr(TAG_RELEASE, 0));
/* add "Architecture" */
printf("%-12s: %s\n", "Install Date", "(not installed)");
printf("%-12s: %s\n", "Group" , rpm_getstr(TAG_GROUP, 0));
printf("%-12s: %d\n", "Size" , rpm_getint(TAG_SIZE, 0));
printf("%-12s: %s\n", "License" , rpm_getstr(TAG_LICENSE, 0));
/* add "Signature" */
printf("%-12s: %s\n", "Source RPM" , source_rpm ? source_rpm : "(none)");
bdate_time = rpm_getint(TAG_BUILDTIME, 0);
bdate_ptm = localtime(&bdate_time);
strftime(bdatestring, 50, "%a %d %b %Y %T %Z", bdate_ptm);
printf("%-12s: %s\n", "Build Date" , bdatestring);
printf("%-12s: %s\n", "Build Host" , rpm_getstr(TAG_BUILDHOST, 0));
p = rpm_getstr(TAG_PREFIXS, 0);
printf("%-12s: %s\n", "Relocations" , p ? p : "(not relocatable)");
/* add "Packager" */
p = rpm_getstr(TAG_VENDOR, 0);
printf("%-12s: %s\n", "Vendor" , p ? p : "(none)");
printf("%-12s: %s\n", "URL" , rpm_getstr(TAG_URL, 0));
printf("%-12s: %s\n", "Summary" , rpm_getstr(TAG_SUMMARY, 0));
printf("Description :\n%s\n", rpm_getstr(TAG_DESCRIPTION, 0));
}
if (func & rpm_query_list) {
int count, it, flags;
count = rpm_getcount(TAG_BASENAMES);
for (it = 0; it < count; it++) {
flags = rpm_getint(TAG_FILEFLAGS, it);
switch (func & (rpm_query_list_doc|rpm_query_list_config)) {
case rpm_query_list_doc:
if (!(flags & RPMFILE_DOC)) continue;
break;
case rpm_query_list_config:
if (!(flags & RPMFILE_CONFIG)) continue;
break;
case rpm_query_list_doc|rpm_query_list_config:
if (!(flags & (RPMFILE_CONFIG|RPMFILE_DOC))) continue;
break;
}
printf("%s%s\n",
rpm_getstr(TAG_DIRNAMES, rpm_getint(TAG_DIRINDEXES, it)),
rpm_getstr(TAG_BASENAMES, it));
}
}
}
munmap(G.map, mapsize);
free(G.mytags);
close(rpm_fd);
}
return 0;
}