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authorDenys Vlasenko <vda.linux@googlemail.com>2017-08-10 09:30:38 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2017-08-10 09:32:19 +0200
commit3fa9262dcd4186a9a5cabb5a7586597187a62565 (patch)
tree51e4566429c3f5b2c4c18cadfc0182cd18eb460d
parent3bc2317c610af0a34c665e0e84169caa2653ff41 (diff)
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rpm,rpm2cpio: put both sources into one file, no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--archival/rpm.c97
-rw-r--r--archival/rpm2cpio.c99
2 files changed, 96 insertions, 100 deletions
diff --git a/archival/rpm.c b/archival/rpm.c
index 89b36dd46..bb6cc4520 100644
--- a/archival/rpm.c
+++ b/archival/rpm.c
@@ -6,7 +6,6 @@
6 * 6 *
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree. 7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
8 */ 8 */
9
10//config:config RPM 9//config:config RPM
11//config: bool "rpm (33 kb)" 10//config: bool "rpm (33 kb)"
12//config: default y 11//config: default y
@@ -14,6 +13,7 @@
14//config: Mini RPM applet - queries and extracts RPM packages. 13//config: Mini RPM applet - queries and extracts RPM packages.
15 14
16//applet:IF_RPM(APPLET(rpm, BB_DIR_BIN, BB_SUID_DROP)) 15//applet:IF_RPM(APPLET(rpm, BB_DIR_BIN, BB_SUID_DROP))
16
17//kbuild:lib-$(CONFIG_RPM) += rpm.o 17//kbuild:lib-$(CONFIG_RPM) += rpm.o
18 18
19#include "libbb.h" 19#include "libbb.h"
@@ -479,3 +479,98 @@ int rpm_main(int argc, char **argv)
479 479
480 return 0; 480 return 0;
481} 481}
482
483/*
484 * Mini rpm2cpio implementation for busybox
485 *
486 * Copyright (C) 2001 by Laurence Anderson
487 *
488 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
489 */
490//config:config RPM2CPIO
491//config: bool "rpm2cpio (20 kb)"
492//config: default y
493//config: help
494//config: Converts a RPM file into a CPIO archive.
495
496//applet:IF_RPM2CPIO(APPLET(rpm2cpio, BB_DIR_USR_BIN, BB_SUID_DROP))
497
498//kbuild:lib-$(CONFIG_RPM2CPIO) += rpm.o
499
500//usage:#define rpm2cpio_trivial_usage
501//usage: "PACKAGE.rpm"
502//usage:#define rpm2cpio_full_usage "\n\n"
503//usage: "Output a cpio archive of the rpm file"
504
505enum { rpm_fd = STDIN_FILENO };
506
507static unsigned skip_header(void)
508{
509 struct rpm_header header;
510 unsigned len;
511
512 xread(rpm_fd, &header, sizeof(header));
513// if (strncmp((char *) &header.magic, RPM_HEADER_MAGIC_STR, 3) != 0) {
514// bb_error_msg_and_die("invalid RPM header magic");
515// }
516// if (header.version != 1) {
517// bb_error_msg_and_die("unsupported RPM header version");
518// }
519 if (header.magic_and_ver != htonl(RPM_HEADER_MAGICnVER)) {
520 bb_error_msg_and_die("invalid RPM header magic or unsupported version");
521 // ": %x != %x", header.magic_and_ver, htonl(RPM_HEADER_MAGICnVER));
522 }
523
524 /* Seek past index entries, and past store */
525 len = 16 * ntohl(header.entries) + ntohl(header.size);
526 seek_by_jump(rpm_fd, len);
527
528 return sizeof(header) + len;
529}
530
531/* No getopt required */
532int rpm2cpio_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
533int rpm2cpio_main(int argc UNUSED_PARAM, char **argv)
534{
535 struct rpm_lead lead;
536 unsigned pos;
537
538 if (argv[1]) {
539 xmove_fd(xopen(argv[1], O_RDONLY), rpm_fd);
540 }
541 xread(rpm_fd, &lead, sizeof(lead));
542
543 /* Just check the magic, the rest is irrelevant */
544 if (lead.magic != htonl(RPM_LEAD_MAGIC)) {
545 bb_error_msg_and_die("invalid RPM magic");
546 }
547
548 /* Skip the signature header, align to 8 bytes */
549 pos = skip_header();
550 seek_by_jump(rpm_fd, (-(int)pos) & 7);
551
552 /* Skip the main header */
553 skip_header();
554
555 //if (SEAMLESS_COMPRESSION) - we do this at the end instead.
556 // /* We need to know whether child (gzip/bzip/etc) exits abnormally */
557 // signal(SIGCHLD, check_errors_in_children);
558
559//TODO: look for rpm tag RPMTAG_PAYLOADCOMPRESSOR (dec 1125, hex 0x465),
560// if the value is "lzma", set up decompressor without detection
561// (lzma can't be detected).
562
563 setup_unzip_on_fd(rpm_fd, /*fail_if_not_compressed:*/ 1);
564 if (bb_copyfd_eof(rpm_fd, STDOUT_FILENO) < 0)
565 bb_error_msg_and_die("error unpacking");
566
567 if (ENABLE_FEATURE_CLEAN_UP) {
568 close(rpm_fd);
569 }
570
571 if (SEAMLESS_COMPRESSION) {
572 check_errors_in_children(0);
573 return bb_got_signal;
574 }
575 return EXIT_SUCCESS;
576}
diff --git a/archival/rpm2cpio.c b/archival/rpm2cpio.c
deleted file mode 100644
index a6db19c13..000000000
--- a/archival/rpm2cpio.c
+++ /dev/null
@@ -1,99 +0,0 @@
1/* vi: set sw=4 ts=4: */
2/*
3 * Mini rpm2cpio implementation for busybox
4 *
5 * Copyright (C) 2001 by Laurence Anderson
6 *
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
8 */
9
10//config:config RPM2CPIO
11//config: bool "rpm2cpio (20 kb)"
12//config: default y
13//config: help
14//config: Converts a RPM file into a CPIO archive.
15
16//applet:IF_RPM2CPIO(APPLET(rpm2cpio, BB_DIR_USR_BIN, BB_SUID_DROP))
17//kbuild:lib-$(CONFIG_RPM2CPIO) += rpm2cpio.o
18
19//usage:#define rpm2cpio_trivial_usage
20//usage: "package.rpm"
21//usage:#define rpm2cpio_full_usage "\n\n"
22//usage: "Output a cpio archive of the rpm file"
23
24#include "libbb.h"
25#include "bb_archive.h"
26#include "rpm.h"
27
28enum { rpm_fd = STDIN_FILENO };
29
30static unsigned skip_header(void)
31{
32 struct rpm_header header;
33 unsigned len;
34
35 xread(rpm_fd, &header, sizeof(header));
36// if (strncmp((char *) &header.magic, RPM_HEADER_MAGIC_STR, 3) != 0) {
37// bb_error_msg_and_die("invalid RPM header magic");
38// }
39// if (header.version != 1) {
40// bb_error_msg_and_die("unsupported RPM header version");
41// }
42 if (header.magic_and_ver != htonl(RPM_HEADER_MAGICnVER)) {
43 bb_error_msg_and_die("invalid RPM header magic or unsupported version");
44 // ": %x != %x", header.magic_and_ver, htonl(RPM_HEADER_MAGICnVER));
45 }
46
47 /* Seek past index entries, and past store */
48 len = 16 * ntohl(header.entries) + ntohl(header.size);
49 seek_by_jump(rpm_fd, len);
50
51 return sizeof(header) + len;
52}
53
54/* No getopt required */
55int rpm2cpio_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
56int rpm2cpio_main(int argc UNUSED_PARAM, char **argv)
57{
58 struct rpm_lead lead;
59 unsigned pos;
60
61 if (argv[1]) {
62 xmove_fd(xopen(argv[1], O_RDONLY), rpm_fd);
63 }
64 xread(rpm_fd, &lead, sizeof(lead));
65
66 /* Just check the magic, the rest is irrelevant */
67 if (lead.magic != htonl(RPM_LEAD_MAGIC)) {
68 bb_error_msg_and_die("invalid RPM magic");
69 }
70
71 /* Skip the signature header, align to 8 bytes */
72 pos = skip_header();
73 seek_by_jump(rpm_fd, (-(int)pos) & 7);
74
75 /* Skip the main header */
76 skip_header();
77
78 //if (SEAMLESS_COMPRESSION) - we do this at the end instead.
79 // /* We need to know whether child (gzip/bzip/etc) exits abnormally */
80 // signal(SIGCHLD, check_errors_in_children);
81
82//TODO: look for rpm tag RPMTAG_PAYLOADCOMPRESSOR (dec 1125, hex 0x465),
83// if the value is "lzma", set up decompressor without detection
84// (lzma can't be detected).
85
86 setup_unzip_on_fd(rpm_fd, /*fail_if_not_compressed:*/ 1);
87 if (bb_copyfd_eof(rpm_fd, STDOUT_FILENO) < 0)
88 bb_error_msg_and_die("error unpacking");
89
90 if (ENABLE_FEATURE_CLEAN_UP) {
91 close(rpm_fd);
92 }
93
94 if (SEAMLESS_COMPRESSION) {
95 check_errors_in_children(0);
96 return bb_got_signal;
97 }
98 return EXIT_SUCCESS;
99}