*
* 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
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
-#include <stdio.h>
-#include <unistd.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <netinet/in.h> /* For ntohl & htonl function */
-#include <string.h> /* For strncmp */
-#include <sys/mman.h> /* For mmap */
-#include <time.h> /* For ctime */
-
#include "busybox.h"
#include "unarchive.h"
#define RPM_STRING_ARRAY_TYPE 8
#define RPM_I18NSTRING_TYPE 9
-#define RPMTAG_NAME 1000
+#define RPMTAG_NAME 1000
#define RPMTAG_VERSION 1001
#define RPMTAG_RELEASE 1002
#define RPMTAG_SUMMARY 1004
};
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 */
+ uint32_t tag; /* 4 byte tag */
+ uint32_t type; /* 4 byte type */
+ uint32_t offset; /* 4 byte offset */
+ uint32_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));
+static void extract_cpio_gz(int fd);
+static rpm_index **rpm_gettags(int fd, int *num_tags);
+static int bsearch_rpmtag(const void *key, const void *item);
+static char *rpm_getstring(int tag, int itemindex);
+static int rpm_getint(int tag, int itemindex);
+static int rpm_getcount(int tag);
+static void fileaction_dobackup(char *filename, int fileref);
+static void fileaction_setowngrp(char *filename, int fileref);
+static void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref));
int rpm_main(int argc, char **argv)
{
break;
case 'q': // First arg: Query mode
if (!func) func |= rpm_query;
- else show_usage();
+ else bb_show_usage();
break;
case 'p': // Query a package
func |= rpm_query_package;
func |= rpm_query_list_config;
break;
default:
- show_usage();
+ bb_show_usage();
}
}
- if (optind == argc) show_usage();
+ if (optind == argc) bb_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
+ map = mmap(0, offset > getpagesize() ? (offset + offset % getpagesize()) : getpagesize(), PROT_READ, MAP_PRIVATE, 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
return 0;
}
-void extract_cpio_gz(int fd) {
+static 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->seek = seek_by_read;
//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);
+
+ xread(archive_handle->src_fd, &magic, 2);
if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
- error_msg_and_die("Invalid gzip magic");
+ bb_error_msg_and_die("invalid gzip magic");
}
- check_header_gzip(archive_handle->src_fd);
- chdir("/"); // Install RPM's to root
+ check_header_gzip(archive_handle->src_fd);
+ xchdir("/"); // Install RPM's to root
- GZ_gzReadOpen(archive_handle->src_fd, 0, 0);
+ archive_handle->src_fd = open_transformer(archive_handle->src_fd, inflate_gunzip);
+ archive_handle->offset = 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)
+static 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 */
+ rpm_index **tags = xzalloc(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) */
+ uint8_t version; /* 1 byte version number */
+ uint32_t reserved; /* 4 bytes reserved */
+ uint32_t entries; /* Number of entries in header (4 bytes) */
+ uint32_t size; /* Size of store (4 bytes) */
} header;
rpm_index *tmpindex;
int storepos;
storepos = lseek(fd,0,SEEK_CUR) + header.entries * 16;
while (header.entries--) {
- tmpindex = tags[tagindex++] = malloc(sizeof(rpm_index));
+ tmpindex = tags[tagindex++] = xmalloc(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);
return tags; /* All done, leave the file at the start of the gzipped cpio archive */
}
-int bsearch_rpmtag(const void *key, const void *item)
+static int bsearch_rpmtag(const void *key, const void *item)
{
+ int *tag = (int *)key;
rpm_index **tmp = (rpm_index **) item;
- return ((int) key - tmp[0]->tag);
+ return (*tag - tmp[0]->tag);
}
-int rpm_getcount(int tag)
+static int rpm_getcount(int tag)
{
rpm_index **found;
- found = bsearch((void *) tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
+ found = bsearch(&tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
if (!found) return 0;
else return found[0]->count;
}
-char *rpm_getstring(int tag, int itemindex)
+static char *rpm_getstring(int tag, int itemindex)
{
rpm_index **found;
- found = bsearch((void *) tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
+ found = bsearch(&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;
} else return NULL;
}
-int rpm_getint(int tag, int itemindex)
+static int rpm_getint(int tag, int itemindex)
{
rpm_index **found;
int n, *tmpint;
- found = bsearch((void *) tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
+ /* gcc throws warnings here when sizeof(void*)!=sizeof(int) ...
+ * it's ok to ignore it because tag won't be used as a pointer */
+ found = bsearch(&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) {
} else return -1;
}
-void fileaction_dobackup(char *filename, int fileref)
+static void fileaction_dobackup(char *filename, int fileref)
{
struct stat oldfile;
int stat_res;
if (rpm_getint(RPMTAG_FILEFLAGS, fileref) & RPMFILE_CONFIG) { /* Only need to backup config files */
stat_res = lstat (filename, &oldfile);
if (stat_res == 0 && S_ISREG(oldfile.st_mode)) { /* File already exists - really should check MD5's etc to see if different */
- newname = xstrdup(filename);
- newname = strcat(newname, ".rpmorig");
+ newname = xasprintf("%s.rpmorig", filename);
copy_file(filename, newname, FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS);
remove_file(filename, FILEUTILS_RECUR | FILEUTILS_FORCE);
free(newname);
}
}
-void fileaction_setowngrp(char *filename, int fileref)
+static void fileaction_setowngrp(char *filename, int fileref)
{
int uid, gid;
- uid = my_getpwnam(rpm_getstring(RPMTAG_FILEUSERNAME, fileref));
- gid = my_getgrnam(rpm_getstring(RPMTAG_FILEGROUPNAME, fileref));
- chown (filename, uid, gid);
-}
-
-void fileaction_list(char *filename, int fileref)
-{
- printf("%s\n", filename);
+ uid = bb_xgetpwnam(rpm_getstring(RPMTAG_FILEUSERNAME, fileref));
+ gid = bb_xgetgrnam(rpm_getstring(RPMTAG_FILEGROUPNAME, fileref));
+ chown(filename, uid, gid);
}
-void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref))
+static void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref))
{
int count = 0;
- char *filename, *tmp_dirname, *tmp_basename;
while (rpm_getstring(filetag, count)) {
- tmp_dirname = rpm_getstring(RPMTAG_DIRNAMES, rpm_getint(RPMTAG_DIRINDEXES, count)); /* 1st put on the directory */
- tmp_basename = rpm_getstring(RPMTAG_BASENAMES, count);
- filename = xmalloc(strlen(tmp_basename) + strlen(tmp_dirname) + 1);
- strcpy(filename, tmp_dirname); /* First the directory name */
- strcat(filename, tmp_basename); /* then the filename */
+ char * filename = xasprintf("%s%s",
+ rpm_getstring(RPMTAG_DIRNAMES, rpm_getint(RPMTAG_DIRINDEXES,
+ count)), rpm_getstring(RPMTAG_BASENAMES, count));
fileaction(filename, count++);
free(filename);
}
projects / oweals / busybox.git / blobdiff