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-rw-r--r--archival/rpm2cpio.c99
1 files changed, 0 insertions, 99 deletions
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}