diff options
Diffstat (limited to 'mdk-stage1/mar')
| -rw-r--r-- | mdk-stage1/mar/.cvsignore | 1 | ||||
| -rw-r--r-- | mdk-stage1/mar/Makefile | 61 | ||||
| -rw-r--r-- | mdk-stage1/mar/mar-extract-only.c | 208 | ||||
| -rw-r--r-- | mdk-stage1/mar/mar-extract-only.h | 32 | ||||
| -rw-r--r-- | mdk-stage1/mar/mar-frontend.c | 199 | ||||
| -rw-r--r-- | mdk-stage1/mar/mar.h | 70 |
6 files changed, 0 insertions, 571 deletions
diff --git a/mdk-stage1/mar/.cvsignore b/mdk-stage1/mar/.cvsignore deleted file mode 100644 index bfde37886..000000000 --- a/mdk-stage1/mar/.cvsignore +++ /dev/null @@ -1 +0,0 @@ -mar diff --git a/mdk-stage1/mar/Makefile b/mdk-stage1/mar/Makefile deleted file mode 100644 index 801785947..000000000 --- a/mdk-stage1/mar/Makefile +++ /dev/null @@ -1,61 +0,0 @@ - #****************************************************************************** - # - # mar - The Mandrake Archiver - # - # $Id$ - # - # Guillaume Cottenceau (gc@mandrakesoft.com) - # - # Copyright 2000 MandrakeSoft - # - # This software may be freely redistributed under the terms of the GNU - # public license. - # - # 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., 675 Mass Ave, Cambridge, MA 02139, USA. - # - #***************************************************************************** - -top_dir = .. - -include $(top_dir)/Makefile.common - - -TARGETS = libmar.a mar - - -ifeq (DIETLIBC, $(L)) -TARGETS += libmar-DIET.a -endif - - -all: $(TARGETS) - -clean: - rm -f *.o libmar.a libmar-DIET.a mar - - -mar: mar-frontend.o mar-extract-only-standalone.o - gcc -o mar mar-frontend.o mar-extract-only-standalone.o -lbz2 - $(STRIPCMD) $@ - -libmar.a: mar-extract-only.o - ar -cru $@ $^ - ranlib $@ - -libmar-DIET.a: mar-extract-only-DIET.o - ar -cru $@ $^ - ranlib $@ - -mar-extract-only.o: mar-extract-only.c mar-extract-only.h mar.h - gcc $(CFLAGS) $(GLIBC_INCLUDES) -c mar-extract-only.c - -mar-extract-only-DIET.o: mar-extract-only.c mar-extract-only.h mar.h - gcc $(CFLAGS) $(DIETLIBC_INCLUDES) -o $@ -c mar-extract-only.c - -mar-frontend.o: mar-frontend.c mar.h mar-extract-only.h - gcc $(CFLAGS) $(GLIBC_INCLUDES) -c mar-frontend.c - -mar-extract-only-standalone.o: mar-extract-only.c mar-extract-only.h mar.h - gcc $(CFLAGS) $(GLIBC_INCLUDES) -o $@ -D_STANDALONE_ -c mar-extract-only.c diff --git a/mdk-stage1/mar/mar-extract-only.c b/mdk-stage1/mar/mar-extract-only.c deleted file mode 100644 index a5b6ccd2f..000000000 --- a/mdk-stage1/mar/mar-extract-only.c +++ /dev/null @@ -1,208 +0,0 @@ -/* - * Guillaume Cottenceau (gc@mandrakesoft.com) - * - * Copyright 2000 MandrakeSoft - * - * This software may be freely redistributed under the terms of the GNU - * public license. - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* - * mar - The Mandrake Archiver - * - * An archiver that supports compression (through zlib). - * - */ - -/* - * This code should suffice for stage1 on-the-fly uncompression of kernel modules. - * (and it DOES perform tests and return values, blaaaah..) - */ - -#include "mar-extract-only.h" -#include "mar.h" - -#ifdef _STANDALONE_ -void -zerr(BZFILE * f) /* decrease code size */ -{ - fprintf(stderr, BZ2_bzerror(f, &z_errnum)); -} - -inline void -log_perror(char *msg) -{ - perror(msg); -} -void -log_message(char *msg) -{ - fprintf(stderr, msg); -} -#else /* _STANDALONE_ */ -#include "../log.h" -void -zerr(BZFILE * f) /* decrease code size */ -{ - log_message(BZ2_bzerror(f, &z_errnum)); -} -#endif /* _STANDALONE_ */ - - -static int -mar_open_file(char *filename, struct mar_stream *s) -{ - int end_filetable = 0; - struct mar_element * previous_element = NULL; - - /* mar_zfile */ - s->mar_zfile = BZ2_bzopen(filename, "rb"); - if (!s->mar_zfile) - { - log_perror(filename); - return -1; - } - - while (end_filetable == 0) - { - char buf[512]; - int ptr = 0; - /* read filename */ - do - { - if (BZ2_bzread(s->mar_zfile, &(buf[ptr]), sizeof(char)) != sizeof(char)) - { - zerr(s->mar_zfile); - return -1; - } - ptr++; - } while ((buf[ptr-1] != 0) && (ptr < 512)); - /* ptr == 1 when we arrive on the "char 0" of the end of the filetable */ - if (ptr > 1) - { - struct mar_element * e = (struct mar_element *) malloc(sizeof(struct mar_element)); - e->filename = strdup(buf); - /* read file_length */ - if (BZ2_bzread(s->mar_zfile, &(e->file_length), sizeof(int)) != sizeof(int)) - { - zerr(s->mar_zfile); - return -1; - } - /* read data_offset */ - if (BZ2_bzread(s->mar_zfile, &(e->data_offset), sizeof(int)) != sizeof(int)) - { - zerr(s->mar_zfile); - return -1; - } - /* write down chaining */ - if (previous_element) - previous_element->next_element = e; - else - s->first_element = e; - previous_element = e; - } - else - end_filetable = 1; - - } - /* chaining for last element */ - previous_element->next_element = NULL; - - return 0; -} - - -char ** -mar_list_contents(char * mar_filename) -{ - struct mar_stream s; - struct mar_element * elem; - char * tmp_contents[500]; - char ** answ; - int i = 0; - - if (mar_open_file(mar_filename, &s)) - return NULL; - - elem = s.first_element; - while (elem) - { - tmp_contents[i++] = strdup(elem->filename); - elem = elem->next_element; - } - tmp_contents[i++] = NULL; - answ = (char **) malloc(sizeof(char *) * i); - memcpy(answ, tmp_contents, sizeof(char *) * i); - return answ; -} - - -int -mar_extract_file(char *mar_filename, char *filename_to_extract, char *dest_dir) -{ - struct mar_stream s; - struct mar_element * elem; - - if (mar_open_file(mar_filename, &s)) - return -1; - - elem = s.first_element; - while (elem) - { - if (strcmp(elem->filename, filename_to_extract) == 0) - { - char garb_buf[4096]; - char *buf; - char *dest_file; - int fd; - size_t i; - dest_file = (char *) alloca(strlen(dest_dir) + strlen(filename_to_extract) + 1); - strcpy(dest_file, dest_dir); - strcat(dest_file, filename_to_extract); - fd = creat(dest_file, 00660); - if (fd == -1) - { - log_perror(dest_file); - return -1; - } - buf = (char *) alloca(elem->file_length); - if (!buf) - { - log_perror(dest_file); - return -1; - } - i = elem->data_offset; - while (i > 0) { - int to_read = i > sizeof(garb_buf) ? sizeof(garb_buf) : i; - if (BZ2_bzread(s.mar_zfile, garb_buf, to_read) != to_read) { - log_message("MAR: unexpected EOF in stream"); - return -1; - } - i -= to_read; - } - if (BZ2_bzread(s.mar_zfile, buf, elem->file_length) != elem->file_length) - { - zerr(s.mar_zfile); - return -1; - } - if (write(fd, buf, elem->file_length) != elem->file_length) - { - log_perror(dest_file); - return -1; - } - close(fd); /* do not check return value for code size */ - BZ2_bzclose(s.mar_zfile); - return 0; - } - elem = elem->next_element; - } - BZ2_bzclose(s.mar_zfile); - return 1; /* 1 for file_not_found_in_archive */ -} - - diff --git a/mdk-stage1/mar/mar-extract-only.h b/mdk-stage1/mar/mar-extract-only.h deleted file mode 100644 index 6fa34efe4..000000000 --- a/mdk-stage1/mar/mar-extract-only.h +++ /dev/null @@ -1,32 +0,0 @@ -/* - * Guillaume Cottenceau (gc@mandrakesoft.com) - * - * Copyright 2000 MandrakeSoft - * - * This software may be freely redistributed under the terms of the GNU - * public license. - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* - * mar - The Mandrake Archiver - * - * An archiver that supports compression (through zlib). - * - */ - -/* - * Header for stage1 on-the-fly needs. - */ - -#ifndef MAR_EXTRACT_ONLY_H -#define MAR_EXTRACT_ONLY_H - -int mar_extract_file(char *mar_filename, char *filename_to_extract, char *dest_dir); -char ** mar_list_contents(char *mar_filename); - -#endif diff --git a/mdk-stage1/mar/mar-frontend.c b/mdk-stage1/mar/mar-frontend.c deleted file mode 100644 index f55ba6fe6..000000000 --- a/mdk-stage1/mar/mar-frontend.c +++ /dev/null @@ -1,199 +0,0 @@ -/* - * Guillaume Cottenceau (gc@mandrakesoft.com) - * - * Copyright 2000 MandrakeSoft - * - * This software may be freely redistributed under the terms of the GNU - * public license. - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* - * mar - The Mandrake Archiver - * - * An archiver that supports compression (through zlib). - * - */ - -/* - * This code includes the extracting and creating features. - * - */ - -#include "mar.h" -#include "mar-extract-only.h" - - -int -file_size(char *filename) -{ - struct stat buf; - if (stat(filename, &buf) != 0) - { - perror(filename); - return -1; - } - return buf.st_size; -} - - -/* Yes I don't use the datastructure I directly write the final fileformat in memory then write down it. - * Yes it's bad. - */ -/* ``files'' is a NULL-terminated array of char* */ - -char * fnf_tag = "FILE_NOT_FOUND&"; - -int -mar_create_file(char *dest_file, char **files) -{ - int filenum = 0; - int current_offset_filetable = 0; - int current_delta_rawdata = 0; - int filetable_size; - char * temp_marfile_buffer; - int total_length = 0; - - filetable_size = sizeof(char); /* ``char 0'' */ - while (files[filenum]) - { - int fsiz = file_size(files[filenum]); - if (fsiz == -1) - files[filenum] = fnf_tag; - else { - filetable_size += 2*sizeof(int) /* file_length, data_offset */ + strlen(files[filenum]) + 1; - total_length += fsiz; - } - filenum++; - } - - total_length += filetable_size; - - temp_marfile_buffer = (char *) malloc(total_length); /* create the whole file in-memory (not with alloca! it can be bigger than typical limit for stack of programs (ulimit -s) */ - DEBUG_MAR(printf("D: mar::create_marfile total-length %d\n", total_length);); - - filenum = 0; - while (files[filenum]) - { - if (strcmp(files[filenum], fnf_tag)) { - FILE * f = fopen(files[filenum], "r"); - int fsize; - if (!f) - { - perror(files[filenum]); - return -1; - } - - /* filename */ - strcpy(&(temp_marfile_buffer[current_offset_filetable]), files[filenum]); - current_offset_filetable += strlen(files[filenum]) + 1; - - /* file_length */ - fsize = file_size(files[filenum]); - if (fsize == -1) return -1; - memcpy(&temp_marfile_buffer[current_offset_filetable], &fsize, sizeof(int)); - current_offset_filetable += sizeof(int); - - /* data_offset */ - memcpy(&temp_marfile_buffer[current_offset_filetable], ¤t_delta_rawdata, sizeof(int)); - current_offset_filetable += sizeof(int); - - /* data_raw_data */ - if (fread(&temp_marfile_buffer[current_delta_rawdata + filetable_size], 1, fsize, f) != (size_t)fsize) - { - perror(files[filenum]); - return -1; - } - fclose(f); - - current_delta_rawdata += fsize; - } - - filenum++; - } - - /* write down ``char 0'' to terminate file table */ - memset(&temp_marfile_buffer[current_offset_filetable], 0, sizeof(char)); - - /* ok, buffer is ready, let's write it on-disk */ - { - BZFILE * f = BZ2_bzopen(dest_file, "w9"); - if (!f) - { - perror(dest_file); - return -1; - } - if (BZ2_bzwrite(f, temp_marfile_buffer, total_length) != total_length) - { - fprintf(stderr, BZ2_bzerror(f, &z_errnum)); - return -1; - } - BZ2_bzclose(f); - } - - printf("mar: created archive %s (%d files, length %d)\n", dest_file, filenum, total_length); - return 0; -} - - -void -print_usage(char *progname) -{ - printf("Usage: %s [-lxc] [files..]\n", progname); - exit(0); -} - -int -main(int argc, char **argv) -{ - if (argc <= 2) - print_usage(argv[0]); - - if (argc >= 3) - { - if (strcmp(argv[1], "-l") == 0) - { - char ** contents = mar_list_contents(argv[2]); - if (contents) - while (contents && *contents) { - printf("\t%s\n", *contents); - contents++; - } - exit(0); - } - if ((strcmp(argv[1], "-x") == 0) && argc == 4) - { - int res = mar_extract_file(argv[2], argv[3], "./"); - if (res == 1) - fprintf(stderr, "W: file-not-found-in-archive %s\n", argv[3]); - if (res == -1) - exit(-1); - exit(0); - } - if ((strcmp(argv[1], "-c") == 0) && argc >= 4) - { - char **files = (char **) alloca(((argc-3)+1) * sizeof(char *)); - int i = 3; - while (i < argc) - { - files[i-3] = argv[i]; - i++; - } - files[argc-3] = NULL; - { - int results; - results = mar_create_file(argv[2], files); - if (results != 0) - fprintf(stderr, "E: create-marfile-failed\n"); - exit(results); - } - - } - } - - return 0; -} diff --git a/mdk-stage1/mar/mar.h b/mdk-stage1/mar/mar.h deleted file mode 100644 index 672d7ded8..000000000 --- a/mdk-stage1/mar/mar.h +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Guillaume Cottenceau (gc@mandrakesoft.com) - * - * Copyright 2000 MandrakeSoft - * - * This software may be freely redistributed under the terms of the GNU - * public license. - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* - * mar - The Mandrake Archiver - * - * An archiver that supports compression (through bzlib). - * - * Designed to be small so these bad designs are inside: - * . archive and compression are mixed together - * . create the mar file in-memory - * . does not free memory - * - */ - -#ifndef MAR_H -#define MAR_H - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <errno.h> -#include <unistd.h> - -#include <bzlib.h> - -/* - * Format of a mar file: - * - * ASCIIZ filename \ | - * int file_length | repeated | bzipped - * int pointer_in_archive / | - * char 0 | - * raw_files_data / - * - */ - -struct mar_element -{ - char * filename; /* filename (ASCIIZ) of the element */ - int file_length; /* length (in bytes) of the raw data of the element */ - int data_offset; /* seek start of the raw data in the underlying mar stream */ - struct mar_element * next_element; /* pointer to the next element in the mar stream; NULL if last */ -}; - -struct mar_stream -{ - struct mar_element * first_element; /* pointer to the first element inside the mar stream */ - BZFILE * mar_zfile; /* associated zfile (opened) */ -}; - -int z_errnum; - -#define DEBUG_MAR(x) - -#endif |