From b72a735a320eb60d29bc1580138c06ae7c9d321c Mon Sep 17 00:00:00 2001 From: Glenn L McGrath Date: Tue, 10 Dec 2002 00:17:22 +0000 Subject: [PATCH] rpm applet by Laurence Anderson --- AUTHORS | 2 +- archival/Config.in | 8 +- archival/Makefile.in | 1 + archival/cpio.c | 160 +---------- archival/libunarchive/Makefile.in | 1 + archival/libunarchive/data_extract_all.c | 2 +- archival/libunarchive/get_header_cpio.c | 185 ++++++++++++ archival/rpm.c | 351 +++++++++++++++++++++++ include/applets.h | 3 + include/unarchive.h | 1 + include/usage.h | 13 + 11 files changed, 565 insertions(+), 162 deletions(-) create mode 100644 archival/libunarchive/get_header_cpio.c create mode 100644 archival/rpm.c diff --git a/AUTHORS b/AUTHORS index 7ec7d4966..812807a99 100644 --- a/AUTHORS +++ b/AUTHORS @@ -16,7 +16,7 @@ Erik Andersen , core apps, tons of new apps as noted in header files. Laurence Anderson - rpm2cpio, unzip, get_header_cpio, read_gz interface + rpm2cpio, unzip, get_header_cpio, read_gz interface, rpm Edward Betts expr, hostid, logname, tty, wc, whoami, yes diff --git a/archival/Config.in b/archival/Config.in index bbd3fa0d5..affde32c8 100644 --- a/archival/Config.in +++ b/archival/Config.in @@ -139,7 +139,13 @@ config CONFIG_RPM2CPIO bool "rpm2cpio" default n help - Please submit a patch to add help text for this item. + Converts an RPM file into a CPIO archive. + +config CONFIG_RPM + bool "rpm" + default n + help + Mini RPM applet - querys and extracts config CONFIG_TAR bool "tar" diff --git a/archival/Makefile.in b/archival/Makefile.in index 226cde690..38f5e6292 100644 --- a/archival/Makefile.in +++ b/archival/Makefile.in @@ -32,6 +32,7 @@ ARCHIVAL-$(CONFIG_DPKG_DEB) += dpkg_deb.o ARCHIVAL-$(CONFIG_GUNZIP) += gunzip.o ARCHIVAL-$(CONFIG_GZIP) += gzip.o ARCHIVAL-$(CONFIG_RPM2CPIO) += rpm2cpio.o +ARCHIVAL-$(CONFIG_RPM) += rpm.o ARCHIVAL-$(CONFIG_TAR) += tar.o ARCHIVAL-$(CONFIG_UNCOMPRESS) += uncompress.o ARCHIVAL-$(CONFIG_UNZIP) += unzip.o diff --git a/archival/cpio.c b/archival/cpio.c index 8b4cc2d3e..49f3f88e4 100644 --- a/archival/cpio.c +++ b/archival/cpio.c @@ -31,12 +31,6 @@ #include "unarchive.h" #include "busybox.h" -typedef struct hardlinks_s { - file_header_t *entry; - int inode; - struct hardlinks_s *next; -} hardlinks_t; - extern int cpio_main(int argc, char **argv) { archive_handle_t *archive_handle; @@ -83,159 +77,7 @@ extern int cpio_main(int argc, char **argv) optind++; } - while (1) { - static hardlinks_t *saved_hardlinks = NULL; - static unsigned short pending_hardlinks = 0; - file_header_t *file_header = archive_handle->file_header; - char cpio_header[110]; - int namesize; - char dummy[16]; - int major, minor, nlink, inode; - char extract_flag; - - if (pending_hardlinks) { /* Deal with any pending hardlinks */ - hardlinks_t *tmp; - hardlinks_t *oldtmp; - - tmp = saved_hardlinks; - oldtmp = NULL; - - while (tmp) { - error_msg_and_die("need to fix this\n"); - if (tmp->entry->link_name) { /* Found a hardlink ready to be extracted */ - file_header = tmp->entry; - if (oldtmp) { - oldtmp->next = tmp->next; /* Remove item from linked list */ - } else { - saved_hardlinks = tmp->next; - } - free(tmp); - continue; - } - oldtmp = tmp; - tmp = tmp->next; - } - pending_hardlinks = 0; /* No more pending hardlinks, read next file entry */ - } - - /* There can be padding before archive header */ - data_align(archive_handle, 4); - - if (archive_xread_all_eof(archive_handle, cpio_header, 110) == 0) { - return(EXIT_FAILURE); - } - archive_handle->offset += 110; - - if (strncmp(&cpio_header[0], "07070", 5) != 0) { - printf("cpio header is %x-%x-%x-%x-%x\n", - cpio_header[0], - cpio_header[1], - cpio_header[2], - cpio_header[3], - cpio_header[4]); - error_msg_and_die("Unsupported cpio format"); - } - - if ((cpio_header[5] != '1') && (cpio_header[5] != '2')) { - error_msg_and_die("Unsupported cpio format, use newc or crc"); - } - - sscanf(cpio_header, "%6c%8x%8x%8x%8x%8x%8lx%8lx%16c%8x%8x%8x%8c", - dummy, &inode, (unsigned int*)&file_header->mode, - (unsigned int*)&file_header->uid, (unsigned int*)&file_header->gid, - &nlink, &file_header->mtime, &file_header->size, - dummy, &major, &minor, &namesize, dummy); - - file_header->name = (char *) xmalloc(namesize + 1); - archive_xread_all(archive_handle, file_header->name, namesize); /* Read in filename */ - file_header->name[namesize] = '\0'; - archive_handle->offset += namesize; - - /* Update offset amount and skip padding before file contents */ - data_align(archive_handle, 4); - - if (strcmp(file_header->name, "TRAILER!!!") == 0) { - printf("%d blocks\n", (int) (archive_handle->offset % 512 ? (archive_handle->offset / 512) + 1 : archive_handle->offset / 512)); /* Always round up */ - if (saved_hardlinks) { /* Bummer - we still have unresolved hardlinks */ - hardlinks_t *tmp = saved_hardlinks; - hardlinks_t *oldtmp = NULL; - while (tmp) { - error_msg("%s not created: cannot resolve hardlink", tmp->entry->name); - oldtmp = tmp; - tmp = tmp->next; - free (oldtmp->entry->name); - free (oldtmp->entry); - free (oldtmp); - } - saved_hardlinks = NULL; - pending_hardlinks = 0; - } - return(EXIT_FAILURE); - } - - if (S_ISLNK(file_header->mode)) { - file_header->link_name = (char *) xmalloc(file_header->size + 1); - archive_xread_all(archive_handle, file_header->link_name, file_header->size); - file_header->link_name[file_header->size] = '\0'; - archive_handle->offset += file_header->size; - file_header->size = 0; /* Stop possible seeks in future */ - } - if (nlink > 1 && !S_ISDIR(file_header->mode)) { - if (file_header->size == 0) { /* Put file on a linked list for later */ - hardlinks_t *new = xmalloc(sizeof(hardlinks_t)); - new->next = saved_hardlinks; - new->inode = inode; - new->entry = file_header; - saved_hardlinks = new; - continue; - } else { /* Found the file with data in */ - hardlinks_t *tmp = saved_hardlinks; - pending_hardlinks = 1; - while (tmp) { - if (tmp->inode == inode) { - tmp->entry->link_name = xstrdup(file_header->name); - nlink--; - } - tmp = tmp->next; - } - if (nlink > 1) { - error_msg("error resolving hardlink: did you create the archive with GNU cpio 2.0-2.2?"); - } - } - } - file_header->device = (major << 8) | minor; - - extract_flag = FALSE; - if (archive_handle->filter(archive_handle) == EXIT_SUCCESS) { - struct stat statbuf; - - extract_flag = TRUE; - - /* Check if the file already exists */ - if (lstat (file_header->name, &statbuf) == 0) { - if ((archive_handle->flags & ARCHIVE_EXTRACT_UNCONDITIONAL) || (statbuf.st_mtime < file_header->mtime)) { - /* Remove file if flag set or its older than the file to be extracted */ - if (unlink(file_header->name) == -1) { - perror_msg_and_die("Couldnt remove old file"); - } - } else { - if (! archive_handle->flags & ARCHIVE_EXTRACT_QUIET) { - error_msg("%s not created: newer or same age file exists", file_header->name); - } - extract_flag = FALSE; - } - } - archive_handle->action_header(file_header); - } - - archive_handle->action_header(file_header); - if (extract_flag) { - archive_handle->action_data(archive_handle); - } else { - data_skip(archive_handle); - } - archive_handle->offset += file_header->size; - } + while (get_header_cpio(archive_handle) == EXIT_SUCCESS); return(EXIT_SUCCESS); } diff --git a/archival/libunarchive/Makefile.in b/archival/libunarchive/Makefile.in index 28e2955b9..b59048612 100644 --- a/archival/libunarchive/Makefile.in +++ b/archival/libunarchive/Makefile.in @@ -35,6 +35,7 @@ LIBUNARCHIVE-y:= \ filter_accept_reject_list.o \ \ get_header_ar.o \ + get_header_cpio.o \ get_header_tar.o \ get_header_tar_bz2.o \ get_header_tar_gz.o \ diff --git a/archival/libunarchive/data_extract_all.c b/archival/libunarchive/data_extract_all.c index 7ab87e73e..9c4510e6b 100644 --- a/archival/libunarchive/data_extract_all.c +++ b/archival/libunarchive/data_extract_all.c @@ -43,7 +43,7 @@ extern void data_extract_all(archive_handle_t *archive_handle) switch(file_header->mode & S_IFMT) { case S_IFREG: { #ifdef CONFIG_CPIO - if (file_header->link_name) { + if (file_header->link_name && file_header->size == 0) { /* hard link */ res = link(file_header->link_name, file_header->name); if ((res == -1) && !(archive_handle->flags & ARCHIVE_EXTRACT_QUIET)) { diff --git a/archival/libunarchive/get_header_cpio.c b/archival/libunarchive/get_header_cpio.c new file mode 100644 index 000000000..87e971588 --- /dev/null +++ b/archival/libunarchive/get_header_cpio.c @@ -0,0 +1,185 @@ +/* + * 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 Library 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 +#include +#include +#include +#include "unarchive.h" +#include "libbb.h" + +typedef struct hardlinks_s { + file_header_t *entry; + int inode; + struct hardlinks_s *next; +} hardlinks_t; + +extern char get_header_cpio(archive_handle_t *archive_handle) +{ + static hardlinks_t *saved_hardlinks = NULL; + static unsigned short pending_hardlinks = 0; + file_header_t *file_header = archive_handle->file_header; + char cpio_header[110]; + int namesize; + char dummy[16]; + int major, minor, nlink, inode; + char extract_flag; + + if (pending_hardlinks) { /* Deal with any pending hardlinks */ + hardlinks_t *tmp; + hardlinks_t *oldtmp; + + tmp = saved_hardlinks; + oldtmp = NULL; + + while (tmp) { + error_msg_and_die("need to fix this\n"); + if (tmp->entry->link_name) { /* Found a hardlink ready to be extracted */ + file_header = tmp->entry; + if (oldtmp) { + oldtmp->next = tmp->next; /* Remove item from linked list */ + } else { + saved_hardlinks = tmp->next; + } + free(tmp); + continue; + } + oldtmp = tmp; + tmp = tmp->next; + } + pending_hardlinks = 0; /* No more pending hardlinks, read next file entry */ + } + + /* There can be padding before archive header */ + data_align(archive_handle, 4); + + if (archive_xread_all_eof(archive_handle, cpio_header, 110) == 0) { + return(EXIT_FAILURE); + } + archive_handle->offset += 110; + + if (strncmp(&cpio_header[0], "07070", 5) != 0) { + printf("cpio header is %x-%x-%x-%x-%x\n", + cpio_header[0], + cpio_header[1], + cpio_header[2], + cpio_header[3], + cpio_header[4]); + error_msg_and_die("Unsupported cpio format"); + } + + if ((cpio_header[5] != '1') && (cpio_header[5] != '2')) { + error_msg_and_die("Unsupported cpio format, use newc or crc"); + } + + sscanf(cpio_header, "%6c%8x%8x%8x%8x%8x%8lx%8lx%16c%8x%8x%8x%8c", + dummy, &inode, (unsigned int*)&file_header->mode, + (unsigned int*)&file_header->uid, (unsigned int*)&file_header->gid, + &nlink, &file_header->mtime, &file_header->size, + dummy, &major, &minor, &namesize, dummy); + + file_header->name = (char *) xmalloc(namesize + 1); + archive_xread_all(archive_handle, file_header->name, namesize); /* Read in filename */ + file_header->name[namesize] = '\0'; + archive_handle->offset += namesize; + + /* Update offset amount and skip padding before file contents */ + data_align(archive_handle, 4); + + if (strcmp(file_header->name, "TRAILER!!!") == 0) { + printf("%d blocks\n", (int) (archive_handle->offset % 512 ? (archive_handle->offset / 512) + 1 : archive_handle->offset / 512)); /* Always round up */ + if (saved_hardlinks) { /* Bummer - we still have unresolved hardlinks */ + hardlinks_t *tmp = saved_hardlinks; + hardlinks_t *oldtmp = NULL; + while (tmp) { + error_msg("%s not created: cannot resolve hardlink", tmp->entry->name); + oldtmp = tmp; + tmp = tmp->next; + free (oldtmp->entry->name); + free (oldtmp->entry); + free (oldtmp); + } + saved_hardlinks = NULL; + pending_hardlinks = 0; + } + return(EXIT_FAILURE); + } + + if (S_ISLNK(file_header->mode)) { + file_header->link_name = (char *) xmalloc(file_header->size + 1); + archive_xread_all(archive_handle, file_header->link_name, file_header->size); + file_header->link_name[file_header->size] = '\0'; + archive_handle->offset += file_header->size; + file_header->size = 0; /* Stop possible seeks in future */ + } + if (nlink > 1 && !S_ISDIR(file_header->mode)) { + if (file_header->size == 0) { /* Put file on a linked list for later */ + hardlinks_t *new = xmalloc(sizeof(hardlinks_t)); + new->next = saved_hardlinks; + new->inode = inode; + new->entry = file_header; + saved_hardlinks = new; + return(EXIT_SUCCESS); // Skip this one + } else { /* Found the file with data in */ + hardlinks_t *tmp = saved_hardlinks; + pending_hardlinks = 1; + while (tmp) { + if (tmp->inode == inode) { + tmp->entry->link_name = xstrdup(file_header->name); + nlink--; + } + tmp = tmp->next; + } + if (nlink > 1) { + error_msg("error resolving hardlink: did you create the archive with GNU cpio 2.0-2.2?"); + } + } + } + file_header->device = (major << 8) | minor; + + extract_flag = FALSE; + if (archive_handle->filter(archive_handle) == EXIT_SUCCESS) { + struct stat statbuf; + + extract_flag = TRUE; + + /* Check if the file already exists */ + if (lstat (file_header->name, &statbuf) == 0) { + if ((archive_handle->flags & ARCHIVE_EXTRACT_UNCONDITIONAL) || (statbuf.st_mtime < file_header->mtime)) { + /* Remove file if flag set or its older than the file to be extracted */ + if (unlink(file_header->name) == -1) { + perror_msg_and_die("Couldnt remove old file"); + } + } else { + if (! archive_handle->flags & ARCHIVE_EXTRACT_QUIET) { + error_msg("%s not created: newer or same age file exists", file_header->name); + } + extract_flag = FALSE; + } + } + archive_handle->action_header(file_header); + } + + archive_handle->action_header(file_header); + if (extract_flag) { + archive_handle->action_data(archive_handle); + } else { + data_skip(archive_handle); + } + archive_handle->offset += file_header->size; + return (EXIT_SUCCESS); +} + diff --git a/archival/rpm.c b/archival/rpm.c new file mode 100644 index 000000000..ee5087f0a --- /dev/null +++ b/archival/rpm.c @@ -0,0 +1,351 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini rpm applet for busybox + * + * Copyright (C) 2001,2002 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 "unarchive.h" +#include +#include +#include +#include +#include +#include /* For ntohl & htonl function */ +#include /* For strncmp */ +#include /* For mmap */ +#include /* For ctime */ + +#define RPM_HEADER_MAGIC "\216\255\350" +#define RPM_CHAR_TYPE 1 +#define RPM_INT8_TYPE 2 +#define RPM_INT16_TYPE 3 +#define RPM_INT32_TYPE 4 +/* #define RPM_INT64_TYPE 5 ---- These aren't supported (yet) */ +#define RPM_STRING_TYPE 6 +#define RPM_BIN_TYPE 7 +#define RPM_STRING_ARRAY_TYPE 8 +#define RPM_I18NSTRING_TYPE 9 + +#define RPMTAG_NAME 1000 +#define RPMTAG_VERSION 1001 +#define RPMTAG_RELEASE 1002 +#define RPMTAG_SUMMARY 1004 +#define RPMTAG_DESCRIPTION 1005 +#define RPMTAG_BUILDTIME 1006 +#define RPMTAG_BUILDHOST 1007 +#define RPMTAG_SIZE 1009 +#define RPMTAG_VENDOR 1011 +#define RPMTAG_LICENSE 1014 +#define RPMTAG_PACKAGER 1015 +#define RPMTAG_GROUP 1016 +#define RPMTAG_URL 1020 +#define RPMTAG_PREIN 1023 +#define RPMTAG_POSTIN 1024 +#define RPMTAG_FILEFLAGS 1037 +#define RPMTAG_FILEUSERNAME 1039 +#define RPMTAG_FILEGROUPNAME 1040 +#define RPMTAG_SOURCERPM 1044 +#define RPMTAG_PREINPROG 1085 +#define RPMTAG_POSTINPROG 1086 +#define RPMTAG_PREFIXS 1098 +#define RPMTAG_DIRINDEXES 1116 +#define RPMTAG_BASENAMES 1117 +#define RPMTAG_DIRNAMES 1118 +#define RPMFILE_CONFIG (1 << 0) +#define RPMFILE_DOC (1 << 1) + +enum rpm_functions_e { + rpm_query = 1, + rpm_install = 2, + rpm_query_info = 4, + rpm_query_package = 8, + rpm_query_list = 16, + rpm_query_list_doc = 32, + rpm_query_list_config = 64 +}; + +typedef struct { + u_int32_t tag; /* 4 byte tag */ + u_int32_t type; /* 4 byte type */ + u_int32_t offset; /* 4 byte offset */ + u_int32_t count; /* 4 byte count */ +} rpm_index; + +static void *map; +static rpm_index **mytags; +static int tagcount; + +void extract_cpio_gz(int fd); +rpm_index **rpm_gettags(int fd, int *num_tags); +int bsearch_rpmtag(const void *key, const void *item); +char *rpm_getstring(int tag, int itemindex); +int rpm_getint(int tag, int itemindex); +int rpm_getcount(int tag); +void exec_script(int progtag, int datatag, char *prefix); +void fileaction_dobackup(char *filename, int fileref); +void fileaction_setowngrp(char *filename, int fileref); +void fileaction_list(char *filename, int itemno); +void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref)); + +int rpm_main(int argc, char **argv) +{ + int opt = 0, func = 0, rpm_fd, offset; + + while ((opt = getopt(argc, argv, "iqpldc")) != -1) { + switch (opt) { + case 'i': // First arg: Install mode, with q: Information + if (!func) func |= rpm_install; + else func |= rpm_query_info; + break; + case 'q': // First arg: Query mode + if (!func) func |= rpm_query; + else show_usage(); + break; + case 'p': // Query a package + func |= rpm_query_package; + break; + case 'l': // List files in a package + func |= rpm_query_list; + break; + case 'd': // List doc files in a package (implies list) + func |= rpm_query_list; + func |= rpm_query_list_doc; + break; + case 'c': // List config files in a package (implies list) + func |= rpm_query_list; + func |= rpm_query_list_config; + break; + default: + show_usage(); + } + } + + if (optind == argc) show_usage(); + while (optind < argc) { + rpm_fd = xopen(argv[optind], O_RDONLY); + mytags = rpm_gettags(rpm_fd, (int *) &tagcount); + offset = lseek(rpm_fd, 0, SEEK_CUR); + if (!mytags) { printf("Error reading rpm header\n"); exit(-1); } + map = mmap(0, offset > getpagesize() ? (offset + offset % getpagesize()) : getpagesize(), PROT_READ, MAP_SHARED, rpm_fd, 0); // Mimimum is one page + if (func & rpm_install) { + loop_through_files(RPMTAG_BASENAMES, fileaction_dobackup); /* Backup any config files */ + extract_cpio_gz(rpm_fd); // Extact the archive + loop_through_files(RPMTAG_BASENAMES, fileaction_setowngrp); /* Set the correct file uid/gid's */ + } else if (func & rpm_query && func & rpm_query_package) { + if (!((func & rpm_query_info) || (func & rpm_query_list))) { // If just a straight query, just give package name + printf("%s-%s-%s\n", rpm_getstring(RPMTAG_NAME, 0), rpm_getstring(RPMTAG_VERSION, 0), rpm_getstring(RPMTAG_RELEASE, 0)); + } + if (func & rpm_query_info) { + /* Do the nice printout */ + time_t bdate_time; + struct tm *bdate; + char bdatestring[50]; + printf("Name : %-29sRelocations: %s\n", rpm_getstring(RPMTAG_NAME, 0), rpm_getstring(RPMTAG_PREFIXS, 0) ? rpm_getstring(RPMTAG_PREFIXS, 0) : "(not relocateable)"); + printf("Version : %-34sVendor: %s\n", rpm_getstring(RPMTAG_VERSION, 0), rpm_getstring(RPMTAG_VENDOR, 0) ? rpm_getstring(RPMTAG_VENDOR, 0) : "(none)"); + bdate_time = rpm_getint(RPMTAG_BUILDTIME, 0); + bdate = localtime((time_t *) &bdate_time); + strftime(bdatestring, 50, "%a %d %b %Y %T %Z", bdate); + printf("Release : %-30sBuild Date: %s\n", rpm_getstring(RPMTAG_RELEASE, 0), bdatestring); + printf("Install date: %-30sBuild Host: %s\n", "(not installed)", rpm_getstring(RPMTAG_BUILDHOST, 0)); + printf("Group : %-30sSource RPM: %s\n", rpm_getstring(RPMTAG_GROUP, 0), rpm_getstring(RPMTAG_SOURCERPM, 0)); + printf("Size : %-33dLicense: %s\n", rpm_getint(RPMTAG_SIZE, 0), rpm_getstring(RPMTAG_LICENSE, 0)); + printf("URL : %s\n", rpm_getstring(RPMTAG_URL, 0)); + printf("Summary : %s\n", rpm_getstring(RPMTAG_SUMMARY, 0)); + printf("Description :\n%s\n", rpm_getstring(RPMTAG_DESCRIPTION, 0)); + } + if (func & rpm_query_list) { + int count, it, flags; + count = rpm_getcount(RPMTAG_BASENAMES); + for (it = 0; it < count; it++) { + flags = rpm_getint(RPMTAG_FILEFLAGS, it); + switch ((func & rpm_query_list_doc) + (func & rpm_query_list_config)) + { + case rpm_query_list_doc: if (!(flags & RPMFILE_DOC)) continue; break; + case rpm_query_list_config: if (!(flags & RPMFILE_CONFIG)) continue; break; + case rpm_query_list_doc + rpm_query_list_config: if (!((flags & RPMFILE_CONFIG) || (flags & RPMFILE_DOC))) continue; break; + } + printf("%s%s\n", rpm_getstring(RPMTAG_DIRNAMES, rpm_getint(RPMTAG_DIRINDEXES, it)), rpm_getstring(RPMTAG_BASENAMES, it)); + } + } + } + optind++; + free (mytags); + } + return 0; +} + +void extract_cpio_gz(int fd) { + archive_handle_t *archive_handle; + unsigned char magic[2]; + + /* Initialise */ + archive_handle = init_handle(); + archive_handle->read = read_gz; + archive_handle->seek = seek_by_char; + //archive_handle->action_header = header_list; + archive_handle->action_data = data_extract_all; + archive_handle->flags |= ARCHIVE_PRESERVE_DATE; + archive_handle->flags |= ARCHIVE_CREATE_LEADING_DIRS; + archive_handle->src_fd = fd; + archive_handle->offset = 0; + + xread_all(archive_handle->src_fd, &magic, 2); + if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) { + error_msg_and_die("Invalid gzip magic"); + } + check_header_gzip(archive_handle->src_fd); + chdir("/"); // Install RPM's to root + + GZ_gzReadOpen(archive_handle->src_fd, 0, 0); + while (get_header_cpio(archive_handle) == EXIT_SUCCESS); + GZ_gzReadClose(); + + check_trailer_gzip(archive_handle->src_fd); +} + + +rpm_index **rpm_gettags(int fd, int *num_tags) +{ + rpm_index **tags = calloc(200, sizeof(struct rpmtag *)); /* We should never need mode than 200, and realloc later */ + int pass, tagindex = 0; + lseek(fd, 96, SEEK_CUR); /* Seek past the unused lead */ + + for (pass = 0; pass < 2; pass++) { /* 1st pass is the signature headers, 2nd is the main stuff */ + struct { + 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) */ + } header; + rpm_index *tmpindex; + int storepos; + + read(fd, &header, sizeof(header)); + if (strncmp((char *) &header.magic, RPM_HEADER_MAGIC, 3) != 0) return NULL; /* Invalid magic */ + if (header.version != 1) return NULL; /* This program only supports v1 headers */ + header.size = ntohl(header.size); + header.entries = ntohl(header.entries); + storepos = lseek(fd,0,SEEK_CUR) + header.entries * 16; + + while (header.entries--) { + tmpindex = tags[tagindex++] = malloc(sizeof(rpm_index)); + read(fd, tmpindex, sizeof(rpm_index)); + tmpindex->tag = ntohl(tmpindex->tag); tmpindex->type = ntohl(tmpindex->type); tmpindex->count = ntohl(tmpindex->count); + tmpindex->offset = storepos + ntohl(tmpindex->offset); + if (pass==0) tmpindex->tag -= 743; + } + lseek(fd, header.size, SEEK_CUR); /* Seek past store */ + if (pass==0) lseek(fd, (8 - (lseek(fd,0,SEEK_CUR) % 8)) % 8, SEEK_CUR); /* Skip padding to 8 byte boundary after reading signature headers */ + } + tags = realloc(tags, tagindex * sizeof(struct rpmtag *)); /* realloc tags to save space */ + *num_tags = tagindex; + return tags; /* All done, leave the file at the start of the gzipped cpio archive */ +} + +int bsearch_rpmtag(const void *key, const void *item) +{ + rpm_index **tmp = (rpm_index **) item; + return ((int) key - tmp[0]->tag); +} + +int rpm_getcount(int tag) +{ + rpm_index **found; + found = bsearch((void *) tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag); + if (!found) return 0; + else return found[0]->count; +} + +char *rpm_getstring(int tag, int itemindex) +{ + rpm_index **found; + found = bsearch((void *) tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag); + if (!found || itemindex >= found[0]->count) return NULL; + if (found[0]->type == RPM_STRING_TYPE || found[0]->type == RPM_I18NSTRING_TYPE || found[0]->type == RPM_STRING_ARRAY_TYPE) { + int n; + char *tmpstr = (char *) (map + found[0]->offset); + for (n=0; n < itemindex; n++) tmpstr = tmpstr + strlen(tmpstr) + 1; + return tmpstr; + } else return NULL; +} + +int rpm_getint(int tag, int itemindex) +{ + rpm_index **found; + int n, *tmpint; + found = bsearch((void *) tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag); + if (!found || itemindex >= found[0]->count) return -1; + tmpint = (int *) (map + found[0]->offset); + if (found[0]->type == RPM_INT32_TYPE) { + for (n=0; ntype == RPM_INT16_TYPE) { + for (n=0; ntype == RPM_INT8_TYPE) { + for (n=0; n