diff options
Diffstat (limited to 'archival')
| -rw-r--r-- | archival/rpm.c | 97 | ||||
| -rw-r--r-- | archival/rpm2cpio.c | 99 |
2 files changed, 96 insertions, 100 deletions
diff --git a/archival/rpm.c b/archival/rpm.c index 89b36dd..bb6cc45 100644 --- a/archival/rpm.c +++ b/archival/rpm.c @@ -6,7 +6,6 @@ * * Licensed under GPLv2 or later, see file LICENSE in this source tree. */ - //config:config RPM //config: bool "rpm (33 kb)" //config: default y @@ -14,6 +13,7 @@ //config: Mini RPM applet - queries and extracts RPM packages. //applet:IF_RPM(APPLET(rpm, BB_DIR_BIN, BB_SUID_DROP)) + //kbuild:lib-$(CONFIG_RPM) += rpm.o #include "libbb.h" @@ -479,3 +479,98 @@ int rpm_main(int argc, char **argv) return 0; } + +/* + * Mini rpm2cpio implementation for busybox + * + * Copyright (C) 2001 by Laurence Anderson + * + * Licensed under GPLv2 or later, see file LICENSE in this source tree. + */ +//config:config RPM2CPIO +//config: bool "rpm2cpio (20 kb)" +//config: default y +//config: help +//config: Converts a RPM file into a CPIO archive. + +//applet:IF_RPM2CPIO(APPLET(rpm2cpio, BB_DIR_USR_BIN, BB_SUID_DROP)) + +//kbuild:lib-$(CONFIG_RPM2CPIO) += rpm.o + +//usage:#define rpm2cpio_trivial_usage +//usage: "PACKAGE.rpm" +//usage:#define rpm2cpio_full_usage "\n\n" +//usage: "Output a cpio archive of the rpm file" + +enum { rpm_fd = STDIN_FILENO }; + +static unsigned skip_header(void) +{ + struct rpm_header header; + unsigned len; + + xread(rpm_fd, &header, sizeof(header)); +// if (strncmp((char *) &header.magic, RPM_HEADER_MAGIC_STR, 3) != 0) { +// bb_error_msg_and_die("invalid RPM header magic"); +// } +// if (header.version != 1) { +// bb_error_msg_and_die("unsupported RPM header version"); +// } + if (header.magic_and_ver != htonl(RPM_HEADER_MAGICnVER)) { + bb_error_msg_and_die("invalid RPM header magic or unsupported version"); + // ": %x != %x", header.magic_and_ver, htonl(RPM_HEADER_MAGICnVER)); + } + + /* Seek past index entries, and past store */ + len = 16 * ntohl(header.entries) + ntohl(header.size); + seek_by_jump(rpm_fd, len); + + return sizeof(header) + len; +} + +/* No getopt required */ +int rpm2cpio_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int rpm2cpio_main(int argc UNUSED_PARAM, char **argv) +{ + struct rpm_lead lead; + unsigned pos; + + if (argv[1]) { + xmove_fd(xopen(argv[1], O_RDONLY), rpm_fd); + } + xread(rpm_fd, &lead, sizeof(lead)); + + /* Just check the magic, the rest is irrelevant */ + if (lead.magic != htonl(RPM_LEAD_MAGIC)) { + bb_error_msg_and_die("invalid RPM magic"); + } + + /* Skip the signature header, align to 8 bytes */ + pos = skip_header(); + seek_by_jump(rpm_fd, (-(int)pos) & 7); + + /* Skip the main header */ + skip_header(); + + //if (SEAMLESS_COMPRESSION) - we do this at the end instead. + // /* We need to know whether child (gzip/bzip/etc) exits abnormally */ + // signal(SIGCHLD, check_errors_in_children); + +//TODO: look for rpm tag RPMTAG_PAYLOADCOMPRESSOR (dec 1125, hex 0x465), +// if the value is "lzma", set up decompressor without detection +// (lzma can't be detected). + + setup_unzip_on_fd(rpm_fd, /*fail_if_not_compressed:*/ 1); + if (bb_copyfd_eof(rpm_fd, STDOUT_FILENO) < 0) + bb_error_msg_and_die("error unpacking"); + + if (ENABLE_FEATURE_CLEAN_UP) { + close(rpm_fd); + } + + if (SEAMLESS_COMPRESSION) { + check_errors_in_children(0); + return bb_got_signal; + } + return EXIT_SUCCESS; +} diff --git a/archival/rpm2cpio.c b/archival/rpm2cpio.c deleted file mode 100644 index a6db19c..0000000 --- a/archival/rpm2cpio.c +++ /dev/null @@ -1,99 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * Mini rpm2cpio implementation for busybox - * - * Copyright (C) 2001 by Laurence Anderson - * - * Licensed under GPLv2 or later, see file LICENSE in this source tree. - */ - -//config:config RPM2CPIO -//config: bool "rpm2cpio (20 kb)" -//config: default y -//config: help -//config: Converts a RPM file into a CPIO archive. - -//applet:IF_RPM2CPIO(APPLET(rpm2cpio, BB_DIR_USR_BIN, BB_SUID_DROP)) -//kbuild:lib-$(CONFIG_RPM2CPIO) += rpm2cpio.o - -//usage:#define rpm2cpio_trivial_usage -//usage: "package.rpm" -//usage:#define rpm2cpio_full_usage "\n\n" -//usage: "Output a cpio archive of the rpm file" - -#include "libbb.h" -#include "bb_archive.h" -#include "rpm.h" - -enum { rpm_fd = STDIN_FILENO }; - -static unsigned skip_header(void) -{ - struct rpm_header header; - unsigned len; - - xread(rpm_fd, &header, sizeof(header)); -// if (strncmp((char *) &header.magic, RPM_HEADER_MAGIC_STR, 3) != 0) { -// bb_error_msg_and_die("invalid RPM header magic"); -// } -// if (header.version != 1) { -// bb_error_msg_and_die("unsupported RPM header version"); -// } - if (header.magic_and_ver != htonl(RPM_HEADER_MAGICnVER)) { - bb_error_msg_and_die("invalid RPM header magic or unsupported version"); - // ": %x != %x", header.magic_and_ver, htonl(RPM_HEADER_MAGICnVER)); - } - - /* Seek past index entries, and past store */ - len = 16 * ntohl(header.entries) + ntohl(header.size); - seek_by_jump(rpm_fd, len); - - return sizeof(header) + len; -} - -/* No getopt required */ -int rpm2cpio_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; -int rpm2cpio_main(int argc UNUSED_PARAM, char **argv) -{ - struct rpm_lead lead; - unsigned pos; - - if (argv[1]) { - xmove_fd(xopen(argv[1], O_RDONLY), rpm_fd); - } - xread(rpm_fd, &lead, sizeof(lead)); - - /* Just check the magic, the rest is irrelevant */ - if (lead.magic != htonl(RPM_LEAD_MAGIC)) { - bb_error_msg_and_die("invalid RPM magic"); - } - - /* Skip the signature header, align to 8 bytes */ - pos = skip_header(); - seek_by_jump(rpm_fd, (-(int)pos) & 7); - - /* Skip the main header */ - skip_header(); - - //if (SEAMLESS_COMPRESSION) - we do this at the end instead. - // /* We need to know whether child (gzip/bzip/etc) exits abnormally */ - // signal(SIGCHLD, check_errors_in_children); - -//TODO: look for rpm tag RPMTAG_PAYLOADCOMPRESSOR (dec 1125, hex 0x465), -// if the value is "lzma", set up decompressor without detection -// (lzma can't be detected). - - setup_unzip_on_fd(rpm_fd, /*fail_if_not_compressed:*/ 1); - if (bb_copyfd_eof(rpm_fd, STDOUT_FILENO) < 0) - bb_error_msg_and_die("error unpacking"); - - if (ENABLE_FEATURE_CLEAN_UP) { - close(rpm_fd); - } - - if (SEAMLESS_COMPRESSION) { - check_errors_in_children(0); - return bb_got_signal; - } - return EXIT_SUCCESS; -} |