From bdfd0d78bc44e73d693510e70087857785b3b521 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Wed, 24 Oct 2001 05:00:29 +0000 Subject: Major rework of the directory structure and the entire build system. -Erik --- rpm2cpio.c | 91 -------------------------------------------------------------- 1 file changed, 91 deletions(-) delete mode 100644 rpm2cpio.c (limited to 'rpm2cpio.c') diff --git a/rpm2cpio.c b/rpm2cpio.c deleted file mode 100644 index 8d639d6ad..000000000 --- a/rpm2cpio.c +++ /dev/null @@ -1,91 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * Mini rpm2cpio implementation for busybox - * - * Copyright (C) 2001 by Laurence Anderson - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "busybox.h" -#include /* For ntohl & htonl function */ -#include - -#define RPM_MAGIC "\355\253\356\333" -#define RPM_HEADER_MAGIC "\216\255\350" - -struct rpm_lead { - unsigned char magic[4]; - u_int8_t major, minor; - u_int16_t type; - u_int16_t archnum; - char name[66]; - u_int16_t osnum; - u_int16_t signature_type; - char reserved[16]; -}; - -struct rpm_header { - char magic[3]; /* 3 byte magic: 0x8e 0xad 0xe8 */ - u_int8_t version; /* 1 byte version number */ - u_int32_t reserved; /* 4 bytes reserved */ - u_int32_t entries; /* Number of entries in header (4 bytes) */ - u_int32_t size; /* Size of store (4 bytes) */ -}; - -void skip_header(FILE *rpmfile) -{ - struct rpm_header header; - - fread(&header, sizeof(struct rpm_header), 1, rpmfile); - if (strncmp((char *) &header.magic, RPM_HEADER_MAGIC, 3) != 0) error_msg_and_die("Invalid RPM header magic"); /* Invalid magic */ - if (header.version != 1) error_msg_and_die("Unsupported RPM header version"); /* This program only supports v1 headers */ - header.entries = ntohl(header.entries); - header.size = ntohl(header.size); - fseek (rpmfile, 16 * header.entries, SEEK_CUR); /* Seek past index entries */ - fseek (rpmfile, header.size, SEEK_CUR); /* Seek past store */ -} - -/* No getopt required */ -extern int rpm2cpio_main(int argc, char **argv) -{ - struct rpm_lead lead; - int gunzip_pid; - FILE *rpmfile, *cpiofile; - - if (argc == 1) { - rpmfile = stdin; - } else { - rpmfile = fopen(argv[1], "r"); - if (!rpmfile) perror_msg_and_die("Can't open rpm file"); - /* set the buffer size */ - setvbuf(rpmfile, NULL, _IOFBF, 0x8000); - } - - fread (&lead, sizeof(struct rpm_lead), 1, rpmfile); - if (strncmp((char *) &lead.magic, RPM_MAGIC, 4) != 0) error_msg_and_die("Invalid RPM magic"); /* Just check the magic, the rest is irrelevant */ - /* Skip the signature header */ - skip_header(rpmfile); - fseek(rpmfile, (8 - (ftell(rpmfile) % 8)) % 8, SEEK_CUR); /* Pad to 8 byte boundary */ - /* Skip the main header */ - skip_header(rpmfile); - - cpiofile = gz_open(rpmfile, &gunzip_pid); - - copyfd(fileno(cpiofile), fileno(stdout)); - gz_close(gunzip_pid); - fclose(rpmfile); - return 0; -} -- cgit v1.2.3