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rpm2cpio applet by Laurence Anderson
This commit is contained in:
parent
6c947d289f
commit
f8736d251e
1
Config.h
1
Config.h
@ -96,6 +96,7 @@
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#define BB_RMDIR
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//#define BB_RMMOD
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//#define BB_ROUTE
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//#define BB_RPM2CPIO
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//#define BB_RPMUNPACK
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#define BB_SED
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//#define BB_SETKEYCODES
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@ -326,6 +326,9 @@
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#ifdef BB_ROUTE
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APPLET(route, route_main, _BB_DIR_USR_BIN)
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#endif
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#ifdef BB_RPM2CPIO
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APPLET(rpm2cpio, rpm2cpio_main, _BB_DIR_USR_BIN)
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#endif
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#ifdef BB_RPMUNPACK
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APPLET(rpmunpack, rpmunpack_main, _BB_DIR_USR_BIN)
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#endif
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@ -1310,11 +1310,16 @@
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#define route_full_usage \
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"Edit the kernel's routing tables"
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#define rpm2cpio_trivial_usage \
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"package.rpm"
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#define rpm2cpio_full_usage \
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"Outputs a cpio archive of the rpm file."
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#define rpmunpack_trivial_usage \
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"< package.rpm | gunzip | cpio -idmuv"
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#define rpmunpack_full_usage \
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"Extracts an rpm archive."
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#define sed_trivial_usage \
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"[-nef] pattern [files...]"
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#define sed_full_usage \
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92
archival/rpm2cpio.c
Normal file
92
archival/rpm2cpio.c
Normal file
@ -0,0 +1,92 @@
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/* vi: set sw=4 ts=4: */
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/*
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* Mini rpm2cpio implementation for busybox
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*
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* Copyright (C) 2001 by Laurence Anderson
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "busybox.h"
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#include <netinet/in.h> /* For ntohl & htonl function */
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#include <string.h>
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#define RPM_MAGIC "\355\253\356\333"
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#define RPM_HEADER_MAGIC "\216\255\350"
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typedef unsigned char u8;
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typedef unsigned short u16;
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typedef unsigned int u32;
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struct rpm_lead {
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unsigned char magic[4];
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u8 major, minor;
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u16 type;
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u16 archnum;
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char name[66];
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u16 osnum;
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u16 signature_type;
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char reserved[16];
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};
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struct rpm_header {
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char magic[3]; /* 3 byte magic: 0x8e 0xad 0xe8 */
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u8 version; /* 1 byte version number */
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u32 reserved; /* 4 bytes reserved */
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u32 entries; /* Number of entries in header (4 bytes) */
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u32 size; /* Size of store (4 bytes) */
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};
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void skip_header(FILE *rpmfile)
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{
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struct rpm_header header;
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fread(&header, sizeof(struct rpm_header), 1, rpmfile);
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if (strncmp((char *) &header.magic, RPM_HEADER_MAGIC, 3) != 0) error_msg_and_die("Invalid RPM header magic"); /* Invalid magic */
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if (header.version != 1) error_msg_and_die("Unsupported RPM header version"); /* This program only supports v1 headers */
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header.entries = ntohl(header.entries);
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header.size = ntohl(header.size);
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fseek (rpmfile, 16 * header.entries, SEEK_CUR); /* Seek past index entries */
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fseek (rpmfile, header.size, SEEK_CUR); /* Seek past store */
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}
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/* No getopt required */
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extern int rpm2cpio_main(int argc, char **argv)
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{
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struct rpm_lead lead;
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int gunzip_pid;
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FILE *rpmfile, *cpiofile;
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if (argc == 1) {
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rpmfile = stdin;
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} else {
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rpmfile = fopen(argv[1], "r");
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if (!rpmfile) perror_msg_and_die("Can't open rpm file");
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}
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fread (&lead, sizeof(struct rpm_lead), 1, rpmfile);
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if (strncmp((char *) &lead.magic, RPM_MAGIC, 4) != 0) error_msg_and_die("Invalid RPM magic"); /* Just check the magic, the rest is irrelevant */
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/* Skip the signature header */
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skip_header(rpmfile);
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fseek(rpmfile, (8 - (ftell(rpmfile) % 8)) % 8, SEEK_CUR); /* Pad to 8 byte boundary */
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/* Skip the main header */
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skip_header(rpmfile);
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cpiofile = gz_open(rpmfile, &gunzip_pid);
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copyfd(fileno(cpiofile), fileno(stdout));
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gz_close(gunzip_pid);
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fclose(rpmfile);
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return 0;
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}
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@ -56,17 +56,18 @@ terse runtime description of their behavior.
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Currently defined functions include:
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adjtimex, ar, basename, busybox, cat, chgrp, chmod, chown, chroot, chvt, clear,
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cmp, cp, cut, date, dc, dd, deallocvt, df, dirname, dmesg, dos2unix, dpkg,
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cmp, cp, cpio, cut, date, dc, dd, deallocvt, df, dirname, dmesg, dos2unix, dpkg,
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dpkg-deb, du, dumpkmap, dutmp, echo, expr, false, fbset, fdflush, find, free,
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freeramdisk, fsck.minix, getopt, grep, gunzip, gzip, halt, head, hostid,
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hostname, id, ifconfig, init, insmod, kill, killall, klogd, length, ln,
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loadacm, loadfont, loadkmap, logger, logname, ls, lsmod, makedevs, md5sum,
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mkdir, mkfifo, mkfs.minix, mknod, mkswap, mktemp, more, mount, mt, mv, nc,
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nslookup, ping, pivot_root, poweroff, printf, ps, pwd, rdate, readlink, reboot,
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renice, reset, rm, rmdir, rmmod, route, rpmunpack, sed, setkeycodes, sh, sleep,
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sort, stty, swapoff, swapon, sync, syslogd, tail, tar, tee, telnet, test, tftp,
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touch, tr, true, tty, umount, uname, uniq, unix2dos, update, uptime, usleep,
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uudecode, uuencode, watchdog, wc, wget, which, whoami, xargs, yes, zcat, [
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renice, reset, rm, rmdir, rmmod, route, rpm2cpio, rpmunpack, sed, setkeycodes,
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sh, sleep, sort, stty, swapoff, swapon, sync, syslogd, tail, tar, tee, telnet,
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test, tftp, touch, tr, true, tty, umount, uname, uniq, unix2dos, update, uptime,
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usleep, uudecode, uuencode, watchdog, wc, wget, which, whoami, xargs, yes, zcat,
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[
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=over 4
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@ -29,7 +29,7 @@ exist
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type more >/dev/null 2>&1 && pager=more
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type less >/dev/null 2>&1 && pager=less
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[ "$pager" = "" ] && echo "No pager found!" && exit
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(echo -e "\nPress enter to scroll, q to Quit!\n" ; rpmunpack < $rpm | gzip -dc | cpio -tv --quiet) | $pager
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(echo -e "\nPress enter to scroll, q to Quit!\n" ; rpm2cpio $rpm | cpio -tv --quiet) | $pager
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exit
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elif [ "$1" = "-x" ]; then
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exist
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@ -39,7 +39,7 @@ elif [ ! -d "$3" ]; then
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echo "No such directory $3!"
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exit
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fi
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rpmunpack < $rpm | gzip -d | (umask 0 ; cd $3 ; cpio -idmuv) || exit
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rpm2cpio $rpm | (umask 0 ; cd $3 ; cpio -idmuv) || exit
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echo
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echo "Extracted $rpm to $3!"
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exit
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@ -326,6 +326,9 @@
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#ifdef BB_ROUTE
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APPLET(route, route_main, _BB_DIR_USR_BIN)
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#endif
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#ifdef BB_RPM2CPIO
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APPLET(rpm2cpio, rpm2cpio_main, _BB_DIR_USR_BIN)
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#endif
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#ifdef BB_RPMUNPACK
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APPLET(rpmunpack, rpmunpack_main, _BB_DIR_USR_BIN)
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#endif
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@ -1310,11 +1310,16 @@
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#define route_full_usage \
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"Edit the kernel's routing tables"
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#define rpm2cpio_trivial_usage \
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"package.rpm"
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#define rpm2cpio_full_usage \
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"Outputs a cpio archive of the rpm file."
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#define rpmunpack_trivial_usage \
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"< package.rpm | gunzip | cpio -idmuv"
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#define rpmunpack_full_usage \
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"Extracts an rpm archive."
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#define sed_trivial_usage \
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"[-nef] pattern [files...]"
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#define sed_full_usage \
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92
rpm2cpio.c
Normal file
92
rpm2cpio.c
Normal file
@ -0,0 +1,92 @@
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/* vi: set sw=4 ts=4: */
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/*
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* Mini rpm2cpio implementation for busybox
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*
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* Copyright (C) 2001 by Laurence Anderson
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "busybox.h"
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#include <netinet/in.h> /* For ntohl & htonl function */
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#include <string.h>
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#define RPM_MAGIC "\355\253\356\333"
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#define RPM_HEADER_MAGIC "\216\255\350"
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typedef unsigned char u8;
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typedef unsigned short u16;
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typedef unsigned int u32;
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struct rpm_lead {
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unsigned char magic[4];
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u8 major, minor;
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u16 type;
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u16 archnum;
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char name[66];
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u16 osnum;
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u16 signature_type;
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char reserved[16];
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};
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struct rpm_header {
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char magic[3]; /* 3 byte magic: 0x8e 0xad 0xe8 */
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u8 version; /* 1 byte version number */
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u32 reserved; /* 4 bytes reserved */
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u32 entries; /* Number of entries in header (4 bytes) */
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u32 size; /* Size of store (4 bytes) */
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};
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void skip_header(FILE *rpmfile)
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{
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struct rpm_header header;
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fread(&header, sizeof(struct rpm_header), 1, rpmfile);
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if (strncmp((char *) &header.magic, RPM_HEADER_MAGIC, 3) != 0) error_msg_and_die("Invalid RPM header magic"); /* Invalid magic */
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if (header.version != 1) error_msg_and_die("Unsupported RPM header version"); /* This program only supports v1 headers */
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header.entries = ntohl(header.entries);
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header.size = ntohl(header.size);
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fseek (rpmfile, 16 * header.entries, SEEK_CUR); /* Seek past index entries */
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fseek (rpmfile, header.size, SEEK_CUR); /* Seek past store */
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}
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/* No getopt required */
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extern int rpm2cpio_main(int argc, char **argv)
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{
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struct rpm_lead lead;
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int gunzip_pid;
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FILE *rpmfile, *cpiofile;
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if (argc == 1) {
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rpmfile = stdin;
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} else {
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rpmfile = fopen(argv[1], "r");
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if (!rpmfile) perror_msg_and_die("Can't open rpm file");
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}
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fread (&lead, sizeof(struct rpm_lead), 1, rpmfile);
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if (strncmp((char *) &lead.magic, RPM_MAGIC, 4) != 0) error_msg_and_die("Invalid RPM magic"); /* Just check the magic, the rest is irrelevant */
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/* Skip the signature header */
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skip_header(rpmfile);
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fseek(rpmfile, (8 - (ftell(rpmfile) % 8)) % 8, SEEK_CUR); /* Pad to 8 byte boundary */
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/* Skip the main header */
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skip_header(rpmfile);
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cpiofile = gz_open(rpmfile, &gunzip_pid);
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copyfd(fileno(cpiofile), fileno(stdout));
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gz_close(gunzip_pid);
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fclose(rpmfile);
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return 0;
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}
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@ -29,7 +29,7 @@ exist
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type more >/dev/null 2>&1 && pager=more
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type less >/dev/null 2>&1 && pager=less
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[ "$pager" = "" ] && echo "No pager found!" && exit
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(echo -e "\nPress enter to scroll, q to Quit!\n" ; rpmunpack < $rpm | gzip -dc | cpio -tv --quiet) | $pager
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(echo -e "\nPress enter to scroll, q to Quit!\n" ; rpm2cpio $rpm | cpio -tv --quiet) | $pager
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exit
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elif [ "$1" = "-x" ]; then
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exist
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@ -39,7 +39,7 @@ elif [ ! -d "$3" ]; then
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echo "No such directory $3!"
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exit
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fi
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rpmunpack < $rpm | gzip -d | (umask 0 ; cd $3 ; cpio -idmuv) || exit
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rpm2cpio $rpm | (umask 0 ; cd $3 ; cpio -idmuv) || exit
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echo
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echo "Extracted $rpm to $3!"
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exit
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@ -292,6 +292,8 @@ touch F ; rm F
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# XXX: doesn't DNS resolve
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route
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# rpm2cpio
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# rpmunpack
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# sed - we can do some one-liners here, some testing is a little
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@ -401,3 +403,4 @@ ls -1 ../e* | xargs
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ls -1 ../e* | xargs md5sum
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# yes - can't test: interactive (needs ^C)
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7
usage.h
7
usage.h
@ -1310,11 +1310,16 @@
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#define route_full_usage \
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"Edit the kernel's routing tables"
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#define rpm2cpio_trivial_usage \
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"package.rpm"
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#define rpm2cpio_full_usage \
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"Outputs a cpio archive of the rpm file."
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#define rpmunpack_trivial_usage \
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"< package.rpm | gunzip | cpio -idmuv"
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#define rpmunpack_full_usage \
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"Extracts an rpm archive."
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#define sed_trivial_usage \
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"[-nef] pattern [files...]"
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#define sed_full_usage \
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|
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