Remove files made obsolete by new unarchiving code
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(log yok)
| @@ -1,84 +0,0 @@ | |
| - | /* |
| - | * 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 <stdio.h> |
| - | #include <stdlib.h> |
| - | #include <string.h> |
| - | #include "unarchive.h" |
| - | #include "libbb.h" |
| - | |
| - | char *deb_extract(const char *package_filename, FILE *out_stream, |
| - | const int extract_function, const char *prefix, const char *filename) |
| - | { |
| - | FILE *deb_stream; |
| - | FILE *uncompressed_stream = NULL; |
| - | file_header_t *ar_header = NULL; |
| - | char **file_list = NULL; |
| - | char *output_buffer = NULL; |
| - | char *ared_file = NULL; |
| - | char ar_magic[8]; |
| - | int gunzip_pid; |
| - | |
| - | if (filename != NULL) { |
| - | file_list = xmalloc(sizeof(char *) * 2); |
| - | file_list[0] = xstrdup(filename); |
| - | file_list[1] = NULL; |
| - | } |
| - | |
| - | if (extract_function & extract_control_tar_gz) { |
| - | ared_file = xstrdup("control.tar.gz"); |
| - | } |
| - | else if (extract_function & extract_data_tar_gz) { |
| - | ared_file = xstrdup("data.tar.gz"); |
| - | } |
| - | |
| - | /* open the debian package to be worked on */ |
| - | deb_stream = wfopen(package_filename, "r"); |
| - | if (deb_stream == NULL) { |
| - | return(NULL); |
| - | } |
| - | /* set the buffer size */ |
| - | setvbuf(deb_stream, NULL, _IOFBF, 0x8000); |
| - | |
| - | /* check ar magic */ |
| - | fread(ar_magic, 1, 8, deb_stream); |
| - | if (strncmp(ar_magic,"!<arch>",7) != 0) { |
| - | error_msg_and_die("invalid magic"); |
| - | } |
| - | archive_offset = 8; |
| - | |
| - | while ((ar_header = get_header_ar(deb_stream)) != NULL) { |
| - | if (strcmp(ared_file, ar_header->name) == 0) { |
| - | /* open a stream of decompressed data */ |
| - | uncompressed_stream = gz_open(deb_stream, &gunzip_pid); |
| - | archive_offset = 0; |
| - | output_buffer = unarchive(uncompressed_stream, out_stream, get_header_tar, extract_function, prefix, file_list, NULL); |
| - | } |
| - | seek_sub_file(deb_stream, ar_header->size); |
| - | free(ar_header->name); |
| - | free(ar_header); |
| - | } |
| - | gz_close(gunzip_pid); |
| - | fclose(deb_stream); |
| - | fclose(uncompressed_stream); |
| - | free(ared_file); |
| - | if (filename != NULL) { |
| - | free(file_list[0]); |
| - | free(file_list); |
| - | } |
| - | return(output_buffer); |
| - | } |
| - | |
| @@ -1,137 +0,0 @@ | |
| - | /* |
| - | * 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 <stdio.h> |
| - | #include <stdlib.h> |
| - | #include <string.h> |
| - | #include "unarchive.h" |
| - | #include "libbb.h" |
| - | |
| - | struct hardlinks { |
| - | file_header_t *entry; |
| - | int inode; |
| - | struct hardlinks *next; |
| - | }; |
| - | |
| - | file_header_t *get_header_cpio(FILE *src_stream) |
| - | { |
| - | file_header_t *cpio_entry = NULL; |
| - | char cpio_header[110]; |
| - | int namesize; |
| - | char dummy[16]; |
| - | int major, minor, nlink, inode; |
| - | static struct hardlinks *saved_hardlinks = NULL; |
| - | static int pending_hardlinks = 0; |
| - | |
| - | if (pending_hardlinks) { /* Deal with any pending hardlinks */ |
| - | struct hardlinks *tmp = saved_hardlinks, *oldtmp = NULL; |
| - | while (tmp) { |
| - | if (tmp->entry->link_name) { /* Found a hardlink ready to be extracted */ |
| - | cpio_entry = tmp->entry; |
| - | if (oldtmp) oldtmp->next = tmp->next; /* Remove item from linked list */ |
| - | else saved_hardlinks = tmp->next; |
| - | free(tmp); |
| - | return (cpio_entry); |
| - | } |
| - | oldtmp = tmp; |
| - | tmp = tmp->next; |
| - | } |
| - | pending_hardlinks = 0; /* No more pending hardlinks, read next file entry */ |
| - | } |
| - | |
| - | /* There can be padding before archive header */ |
| - | seek_sub_file(src_stream, (4 - (archive_offset % 4)) % 4); |
| - | if (fread(cpio_header, 1, 110, src_stream) == 110) { |
| - | archive_offset += 110; |
| - | if (strncmp(cpio_header, "07070", 5) != 0) { |
| - | error_msg("Unsupported format or invalid magic"); |
| - | return(NULL); |
| - | } |
| - | switch (cpio_header[5]) { |
| - | case '2': /* "crc" header format */ |
| - | /* Doesnt do the crc check yet */ |
| - | case '1': /* "newc" header format */ |
| - | cpio_entry = (file_header_t *) xcalloc(1, sizeof(file_header_t)); |
| - | sscanf(cpio_header, "%6c%8x%8x%8x%8x%8x%8lx%8lx%16c%8x%8x%8x%8c", |
| - | dummy, &inode, (unsigned int*)&cpio_entry->mode, |
| - | (unsigned int*)&cpio_entry->uid, (unsigned int*)&cpio_entry->gid, |
| - | &nlink, &cpio_entry->mtime, &cpio_entry->size, |
| - | dummy, &major, &minor, &namesize, dummy); |
| - | |
| - | cpio_entry->name = (char *) xcalloc(1, namesize); |
| - | fread(cpio_entry->name, 1, namesize, src_stream); /* Read in filename */ |
| - | archive_offset += namesize; |
| - | /* Skip padding before file contents */ |
| - | seek_sub_file(src_stream, (4 - (archive_offset % 4)) % 4); |
| - | if (strcmp(cpio_entry->name, "TRAILER!!!") == 0) { |
| - | printf("%d blocks\n", (int) (archive_offset % 512 ? (archive_offset / 512) + 1 : archive_offset / 512)); /* Always round up */ |
| - | if (saved_hardlinks) { /* Bummer - we still have unresolved hardlinks */ |
| - | struct hardlinks *tmp = saved_hardlinks, *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(NULL); |
| - | } |
| - | |
| - | if (S_ISLNK(cpio_entry->mode)) { |
| - | cpio_entry->link_name = (char *) xcalloc(1, cpio_entry->size + 1); |
| - | fread(cpio_entry->link_name, 1, cpio_entry->size, src_stream); |
| - | archive_offset += cpio_entry->size; |
| - | cpio_entry->size = 0; /* Stop possiable seeks in future */ |
| - | } |
| - | if (nlink > 1 && !S_ISDIR(cpio_entry->mode)) { |
| - | if (cpio_entry->size == 0) { /* Put file on a linked list for later */ |
| - | struct hardlinks *new = xmalloc(sizeof(struct hardlinks)); |
| - | new->next = saved_hardlinks; |
| - | new->inode = inode; |
| - | new->entry = cpio_entry; |
| - | saved_hardlinks = new; |
| - | return(get_header_cpio(src_stream)); /* Recurse to next file */ |
| - | } else { /* Found the file with data in */ |
| - | struct hardlinks *tmp = saved_hardlinks; |
| - | pending_hardlinks = 1; |
| - | while (tmp) { |
| - | if (tmp->inode == inode) { |
| - | tmp->entry->link_name = xstrdup(cpio_entry->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?"); |
| - | } |
| - | } |
| - | cpio_entry->device = (major << 8) | minor; |
| - | break; |
| - | default: |
| - | error_msg("Unsupported format"); |
| - | return(NULL); |
| - | } |
| - | if (ferror(src_stream) || feof(src_stream)) { |
| - | perror_msg("Stream error"); |
| - | return(NULL); |
| - | } |
| - | } |
| - | return(cpio_entry); |
| - | } |
| - | |
| @@ -1,171 +0,0 @@ | |
| - | /* vi: set sw=4 ts=4: */ |
| - | /* |
| - | * get_header_zip 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 <stddef.h> |
| - | #include <stdio.h> |
| - | #include <stdlib.h> |
| - | #include <string.h> |
| - | #include "unarchive.h" |
| - | #include "libbb.h" |
| - | |
| - | #define ZIP_FILEHEADER_MAGIC 0x04034b50 |
| - | #define ZIP_CDS_MAGIC 0x02014b50 |
| - | #define ZIP_CDS_END_MAGIC 0x06054b50 |
| - | #define ZIP_DD_MAGIC 0x08074b50 |
| - | |
| - | |
| - | enum { |
| - | zh_version, |
| - | zh_flags, |
| - | zh_method, |
| - | zh_modtime, |
| - | zh_moddate, |
| - | zh_crc32, |
| - | zh_cmpsize, |
| - | zh_ucmpsize, |
| - | zh_filename_len, |
| - | zh_extra_len |
| - | }; |
| - | |
| - | static const char fail_msg[] = "Invalid file or read error"; |
| - | |
| - | static int le_read_int(FILE *fp, int n) |
| - | { |
| - | int r = 0; |
| - | int s = 1; |
| - | int c; |
| - | |
| - | archive_offset += n; |
| - | |
| - | do { |
| - | if ((c = fgetc(fp)) == EOF) { |
| - | error_msg_and_die(fail_msg); |
| - | } |
| - | r += s * c; |
| - | s <<= 8; |
| - | } while (--n); |
| - | |
| - | return r; |
| - | } |
| - | |
| - | static void read_header(FILE *fp, int *zh) |
| - | { |
| - | static const char s[] = { 2, 2, 2, 2, 2, 4, 4, 4, 2, 2, 0 }; |
| - | int i = 0; |
| - | |
| - | do { |
| - | zh[i] = le_read_int(fp, s[i]); |
| - | } while (s[++i]); |
| - | } |
| - | |
| - | file_header_t *get_header_zip(FILE *zip_stream) |
| - | { |
| - | int zip_header[10]; |
| - | file_header_t *zip_entry = NULL; |
| - | int magic, tmpmagic; |
| - | /* If dd_ahead is true, we didn't know the last extracted file's length. */ |
| - | static int dd_ahead = 0; |
| - | |
| - | magic = le_read_int(zip_stream, 4); |
| - | |
| - | checkmagic: |
| - | switch (magic) { |
| - | case ZIP_FILEHEADER_MAGIC: |
| - | zip_entry = xcalloc(1, sizeof(file_header_t)); |
| - | |
| - | read_header(zip_stream, zip_header); |
| - | |
| - | if (zip_header[zh_method] == 8) { |
| - | zip_entry->extract_func = &inflate; |
| - | } else if (zip_header[zh_method] != 0) { |
| - | error_msg_and_die("Unsupported compression method %d\n", |
| - | zip_header[zh_method]); |
| - | } |
| - | |
| - | zip_entry->name = xmalloc(zip_header[zh_filename_len] + 1); |
| - | if (!fread(zip_entry->name, zip_header[zh_filename_len], 1, zip_stream)) { |
| - | error_msg_and_die(fail_msg); |
| - | } |
| - | archive_offset += zip_header[zh_filename_len]; |
| - | |
| - | seek_sub_file(zip_stream, zip_header[zh_extra_len]); |
| - | |
| - | zip_entry->size = zip_header[zh_cmpsize]; |
| - | |
| - | zip_entry->mode = S_IFREG | 0777; |
| - | |
| - | /* Time/Date? */ |
| - | |
| - | zip_entry->name[zip_header[zh_filename_len]] = 0; |
| - | if (*(zip_entry->name + zip_header[zh_filename_len] - 1) == '/') { |
| - | /* Files that end in a / are directories */ |
| - | /* Remove trailing / so unarchive doesn't get confused */ |
| - | *(zip_entry->name + zip_header[zh_filename_len] - 1) = '\0'; |
| - | zip_entry->mode ^= S_IFREG; |
| - | zip_entry->mode |= S_IFDIR; |
| - | } |
| - | |
| - | if (zip_header[zh_flags] & 0x8) { |
| - | /* crc32, and sizes are in the data description _after_ the file */ |
| - | if (zip_header[zh_cmpsize] == 0) { |
| - | /* As we don't know how long this file it is difficult to skip! |
| - | * but it is compressed, so normally its ok */ |
| - | dd_ahead = 1; |
| - | } |
| - | if (zip_header[zh_ucmpsize] != 0) { |
| - | /* Humm... we would otherwise skip this twice - not good! */ |
| - | dd_ahead = 2; |
| - | } |
| - | } |
| - | break; |
| - | |
| - | case ZIP_CDS_MAGIC: /* FALLTHRU */ |
| - | case ZIP_CDS_END_MAGIC: |
| - | return(NULL); |
| - | break; |
| - | |
| - | case ZIP_DD_MAGIC: { |
| - | int cmpsize; |
| - | seek_sub_file(zip_stream, 4); // Skip crc32 |
| - | cmpsize = le_read_int(zip_stream, 4); |
| - | if (dd_ahead == 1) archive_offset += cmpsize; |
| - | seek_sub_file(zip_stream, 4); // Skip uncompressed size |
| - | dd_ahead = 0; |
| - | return (get_header_zip(zip_stream)); |
| - | break; } |
| - | |
| - | default: |
| - | if (!dd_ahead) error_msg("Invalid magic (%#x): Trying to skip junk", magic); |
| - | dd_ahead = 0; |
| - | while ((tmpmagic = fgetc(zip_stream)) != EOF) { |
| - | archive_offset++; |
| - | magic = ((magic >> 8) & 0x00ffffff) | ((tmpmagic << 24) & 0xff000000); |
| - | if (magic == ZIP_FILEHEADER_MAGIC |
| - | || magic == ZIP_CDS_MAGIC |
| - | || magic == ZIP_CDS_END_MAGIC) { |
| - | goto checkmagic; |
| - | } |
| - | } |
| - | error_msg_and_die(fail_msg); |
| - | } |
| - | |
| - | return(zip_entry); |
| - | } |
| @@ -1,263 +0,0 @@ | |
| - | /* |
| - | * 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 <errno.h> |
| - | #include <fnmatch.h> |
| - | #include <stdio.h> |
| - | #include <stdlib.h> |
| - | #include <string.h> |
| - | #include <unistd.h> |
| - | #include <utime.h> |
| - | #include <sys/wait.h> |
| - | #include <signal.h> |
| - | #include "unarchive.h" |
| - | #include "busybox.h" |
| - | |
| - | /* Extract the data postioned at src_stream to either filesystem, stdout or |
| - | * buffer depending on the value of 'function' which is defined in libbb.h |
| - | * |
| - | * prefix doesnt have to be just a directory, it may prefix the filename as well. |
| - | * |
| - | * e.g. '/var/lib/dpkg/info/dpkg.' will extract all files to the base bath |
| - | * '/var/lib/dpkg/info/' and all files/dirs created in that dir will have |
| - | * 'dpkg.' as their prefix |
| - | * |
| - | * For this reason if prefix does point to a dir then it must end with a |
| - | * trailing '/' or else the last dir will be assumed to be the file prefix |
| - | */ |
| - | char *extract_archive(FILE *src_stream, FILE *out_stream, const file_header_t *file_entry, |
| - | const int function, const char *prefix) |
| - | { |
| - | FILE *dst_stream = NULL; |
| - | char *full_name = NULL; |
| - | char *buffer = NULL; |
| - | struct utimbuf t; |
| - | |
| - | /* prefix doesnt have to be a proper path it may prepend |
| - | * the filename as well */ |
| - | if (prefix != NULL) { |
| - | /* strip leading '/' in filename to extract as prefix may not be dir */ |
| - | /* Cant use concat_path_file here as prefix might not be a directory */ |
| - | char *path = file_entry->name; |
| - | if (strncmp("./", path, 2) == 0) { |
| - | path += 2; |
| - | if (strlen(path) == 0) { |
| - | return(NULL); |
| - | } |
| - | } |
| - | bb_asprintf(&full_name, "%s%s", prefix, path); |
| - | } else { |
| - | full_name = file_entry->name; |
| - | } |
| - | if (function & extract_to_stdout) { |
| - | if (S_ISREG(file_entry->mode)) { |
| - | copy_file_chunk(src_stream, out_stream, file_entry->size); |
| - | archive_offset += file_entry->size; |
| - | } |
| - | } |
| - | else if (function & extract_one_to_buffer) { |
| - | if (S_ISREG(file_entry->mode)) { |
| - | buffer = (char *) xmalloc(file_entry->size + 1); |
| - | fread(buffer, 1, file_entry->size, src_stream); |
| - | buffer[file_entry->size] = '\0'; |
| - | archive_offset += file_entry->size; |
| - | return(buffer); |
| - | } |
| - | } |
| - | else if (function & extract_all_to_fs) { |
| - | struct stat oldfile; |
| - | int stat_res; |
| - | stat_res = lstat (full_name, &oldfile); |
| - | if (stat_res == 0) { /* The file already exists */ |
| - | if ((function & extract_unconditional) || (oldfile.st_mtime < file_entry->mtime)) { |
| - | if (!S_ISDIR(oldfile.st_mode)) { |
| - | unlink(full_name); /* Directories might not be empty etc */ |
| - | } |
| - | } else { |
| - | if ((function & extract_quiet) != extract_quiet) { |
| - | error_msg("%s not created: newer or same age file exists", file_entry->name); |
| - | } |
| - | seek_sub_file(src_stream, file_entry->size); |
| - | return (NULL); |
| - | } |
| - | } |
| - | if (function & extract_create_leading_dirs) { /* Create leading directories with default umask */ |
| - | char *buf, *parent; |
| - | buf = xstrdup(full_name); |
| - | parent = dirname(buf); |
| - | if (make_directory (parent, -1, FILEUTILS_RECUR) != 0) { |
| - | if ((function & extract_quiet) != extract_quiet) { |
| - | error_msg("couldn't create leading directories"); |
| - | } |
| - | } |
| - | free (buf); |
| - | } |
| - | switch(file_entry->mode & S_IFMT) { |
| - | case S_IFREG: |
| - | if (file_entry->link_name) { /* Found a cpio hard link */ |
| - | if (link(file_entry->link_name, full_name) != 0) { |
| - | if ((function & extract_quiet) != extract_quiet) { |
| - | perror_msg("Cannot link from %s to '%s'", |
| - | file_entry->name, file_entry->link_name); |
| - | } |
| - | } |
| - | } else { |
| - | if ((dst_stream = wfopen(full_name, "w")) == NULL) { |
| - | seek_sub_file(src_stream, file_entry->size); |
| - | return NULL; |
| - | } |
| - | archive_offset += file_entry->size; |
| - | if (file_entry->extract_func) file_entry->extract_func(src_stream, dst_stream); |
| - | else copy_file_chunk(src_stream, dst_stream, file_entry->size); |
| - | fclose(dst_stream); |
| - | } |
| - | break; |
| - | case S_IFDIR: |
| - | if (stat_res != 0) { |
| - | if (mkdir(full_name, file_entry->mode) < 0) { |
| - | if ((function & extract_quiet) != extract_quiet) { |
| - | perror_msg("extract_archive: %s", full_name); |
| - | } |
| - | } |
| - | } |
| - | break; |
| - | case S_IFLNK: |
| - | if (symlink(file_entry->link_name, full_name) < 0) { |
| - | if ((function & extract_quiet) != extract_quiet) { |
| - | perror_msg("Cannot create symlink from %s to '%s'", file_entry->name, file_entry->link_name); |
| - | } |
| - | return NULL; |
| - | } |
| - | break; |
| - | case S_IFSOCK: |
| - | case S_IFBLK: |
| - | case S_IFCHR: |
| - | case S_IFIFO: |
| - | if (mknod(full_name, file_entry->mode, file_entry->device) == -1) { |
| - | if ((function & extract_quiet) != extract_quiet) { |
| - | perror_msg("Cannot create node %s", file_entry->name); |
| - | } |
| - | return NULL; |
| - | } |
| - | break; |
| - | } |
| - | |
| - | /* Changing a symlink's properties normally changes the properties of the |
| - | * file pointed to, so dont try and change the date or mode, lchown does |
| - | * does the right thing, but isnt available in older versions of libc */ |
| - | if (S_ISLNK(file_entry->mode)) { |
| - | #if (__GLIBC__ > 2) && (__GLIBC_MINOR__ > 1) |
| - | lchown(full_name, file_entry->uid, file_entry->gid); |
| - | #endif |
| - | } else { |
| - | if (function & extract_preserve_date) { |
| - | t.actime = file_entry->mtime; |
| - | t.modtime = file_entry->mtime; |
| - | utime(full_name, &t); |
| - | } |
| - | chmod(full_name, file_entry->mode); |
| - | chown(full_name, file_entry->uid, file_entry->gid); |
| - | } |
| - | } else { |
| - | /* If we arent extracting data we have to skip it, |
| - | * if data size is 0 then then just do it anyway |
| - | * (saves testing for it) */ |
| - | seek_sub_file(src_stream, file_entry->size); |
| - | } |
| - | |
| - | /* extract_list and extract_verbose_list can be used in conjunction |
| - | * with one of the above four extraction functions, so do this seperately */ |
| - | if (function & extract_verbose_list) { |
| - | fprintf(out_stream, "%s %d/%d %8d %s ", mode_string(file_entry->mode), |
| - | file_entry->uid, file_entry->gid, |
| - | (int) file_entry->size, time_string(file_entry->mtime)); |
| - | } |
| - | if ((function & extract_list) || (function & extract_verbose_list)){ |
| - | /* fputs doesnt add a trailing \n, so use fprintf */ |
| - | fprintf(out_stream, "%s\n", full_name); |
| - | } |
| - | |
| - | if (prefix != NULL) { |
| - | free(full_name); |
| - | } |
| - | |
| - | return(NULL); /* Maybe we should say if failed */ |
| - | } |
| - | |
| - | char *unarchive(FILE *src_stream, FILE *out_stream, file_header_t *(*get_headers)(FILE *), |
| - | const int extract_function, const char *prefix, char **include_name, char **exclude_name) |
| - | { |
| - | file_header_t *file_entry; |
| - | int extract_flag = TRUE; |
| - | int i; |
| - | char *buffer = NULL; |
| - | #ifdef CONFIG_FEATURE_UNARCHIVE_TAPE |
| - | int pid, tape_pipe[2]; |
| - | |
| - | if (pipe(tape_pipe) != 0) error_msg_and_die("Can't create pipe\n"); |
| - | if ((pid = fork()) == -1) error_msg_and_die("Fork failed\n"); |
| - | if (pid==0) { /* child process */ |
| - | close(tape_pipe[0]); /* We don't wan't to read from the pipe */ |
| - | copyfd(fileno(src_stream), tape_pipe[1]); |
| - | close(tape_pipe[1]); /* Send EOF */ |
| - | exit(0); |
| - | /* notreached */ |
| - | } |
| - | close(tape_pipe[1]); /* Don't want to write down the pipe */ |
| - | fclose(src_stream); |
| - | src_stream = fdopen(tape_pipe[0], "r"); |
| - | #endif |
| - | archive_offset = 0; |
| - | while ((file_entry = get_headers(src_stream)) != NULL) { |
| - | |
| - | if (include_name != NULL) { |
| - | extract_flag = FALSE; |
| - | for(i = 0; include_name[i] != 0; i++) { |
| - | if (fnmatch(include_name[i], file_entry->name, FNM_LEADING_DIR) == 0) { |
| - | extract_flag = TRUE; |
| - | break; |
| - | } |
| - | } |
| - | } else { |
| - | extract_flag = TRUE; |
| - | } |
| - | |
| - | /* If the file entry is in the exclude list dont extract it */ |
| - | if (exclude_name != NULL) { |
| - | for(i = 0; exclude_name[i] != 0; i++) { |
| - | if (fnmatch(exclude_name[i], file_entry->name, FNM_LEADING_DIR) == 0) { |
| - | extract_flag = FALSE; |
| - | break; |
| - | } |
| - | } |
| - | } |
| - | |
| - | if (extract_flag) { |
| - | buffer = extract_archive(src_stream, out_stream, file_entry, extract_function, prefix); |
| - | } else { |
| - | /* seek past the data entry */ |
| - | seek_sub_file(src_stream, file_entry->size); |
| - | } |
| - | free(file_entry->name); |
| - | free(file_entry->link_name); |
| - | free(file_entry); |
| - | } |
| - | #ifdef CONFIG_FEATURE_UNARCHIVE_TAPE |
| - | kill(pid, SIGTERM); |
| - | waitpid(pid, NULL, 0); |
| - | #endif |
| - | return(buffer); |
| - | } |