diff options
Diffstat (limited to 'archival/rpm2cpio.c')
-rw-r--r-- | archival/rpm2cpio.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/archival/rpm2cpio.c b/archival/rpm2cpio.c deleted file mode 100644 index 3e4a6a249..000000000 --- a/archival/rpm2cpio.c +++ /dev/null | |||
@@ -1,96 +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 | |||
28 | enum { rpm_fd = STDIN_FILENO }; | ||
29 | |||
30 | static 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 */ | ||
55 | int rpm2cpio_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; | ||
56 | int 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) | ||
79 | // /* We need to know whether child (gzip/bzip/etc) exits abnormally */ | ||
80 | // signal(SIGCHLD, check_errors_in_children); | ||
81 | |||
82 | /* This works, but doesn't report uncompress errors (they happen in child) */ | ||
83 | setup_unzip_on_fd(rpm_fd, /*fail_if_not_compressed:*/ 1); | ||
84 | if (bb_copyfd_eof(rpm_fd, STDOUT_FILENO) < 0) | ||
85 | bb_error_msg_and_die("error unpacking"); | ||
86 | |||
87 | if (ENABLE_FEATURE_CLEAN_UP) { | ||
88 | close(rpm_fd); | ||
89 | } | ||
90 | |||
91 | if (SEAMLESS_COMPRESSION) { | ||
92 | check_errors_in_children(0); | ||
93 | return bb_got_signal; | ||
94 | } | ||
95 | return EXIT_SUCCESS; | ||
96 | } | ||