1*6b384f39SPeter Avalos /*- 2*6b384f39SPeter Avalos * Copyright (c) 2011-2014, Mike Kazantsev 3*6b384f39SPeter Avalos * All rights reserved. 4*6b384f39SPeter Avalos * 5*6b384f39SPeter Avalos * Redistribution and use in source and binary forms, with or without 6*6b384f39SPeter Avalos * modification, are permitted provided that the following conditions 7*6b384f39SPeter Avalos * are met: 8*6b384f39SPeter Avalos * 1. Redistributions of source code must retain the above copyright 9*6b384f39SPeter Avalos * notice, this list of conditions and the following disclaimer. 10*6b384f39SPeter Avalos * 2. Redistributions in binary form must reproduce the above copyright 11*6b384f39SPeter Avalos * notice, this list of conditions and the following disclaimer in the 12*6b384f39SPeter Avalos * documentation and/or other materials provided with the distribution. 13*6b384f39SPeter Avalos * 14*6b384f39SPeter Avalos * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15*6b384f39SPeter Avalos * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16*6b384f39SPeter Avalos * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17*6b384f39SPeter Avalos * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18*6b384f39SPeter Avalos * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19*6b384f39SPeter Avalos * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20*6b384f39SPeter Avalos * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21*6b384f39SPeter Avalos * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22*6b384f39SPeter Avalos * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23*6b384f39SPeter Avalos * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24*6b384f39SPeter Avalos */ 25*6b384f39SPeter Avalos 26*6b384f39SPeter Avalos #include "bsdcat_platform.h" 27*6b384f39SPeter Avalos __FBSDID("$FreeBSD$"); 28*6b384f39SPeter Avalos 29*6b384f39SPeter Avalos #include <stdio.h> 30*6b384f39SPeter Avalos #ifdef HAVE_STDLIB_H 31*6b384f39SPeter Avalos #include <stdlib.h> 32*6b384f39SPeter Avalos #endif 33*6b384f39SPeter Avalos #ifdef HAVE_UNISTD_H 34*6b384f39SPeter Avalos #include <unistd.h> 35*6b384f39SPeter Avalos #endif 36*6b384f39SPeter Avalos #ifdef HAVE_STRING_H 37*6b384f39SPeter Avalos #include <string.h> 38*6b384f39SPeter Avalos #endif 39*6b384f39SPeter Avalos 40*6b384f39SPeter Avalos #include "bsdcat.h" 41*6b384f39SPeter Avalos #include "err.h" 42*6b384f39SPeter Avalos 43*6b384f39SPeter Avalos #define BYTES_PER_BLOCK (20*512) 44*6b384f39SPeter Avalos 45*6b384f39SPeter Avalos struct archive *a; 46*6b384f39SPeter Avalos struct archive_entry *ae; 47*6b384f39SPeter Avalos char *bsdcat_current_path; 48*6b384f39SPeter Avalos int exit_status = 0; 49*6b384f39SPeter Avalos 50*6b384f39SPeter Avalos 51*6b384f39SPeter Avalos void 52*6b384f39SPeter Avalos usage(FILE *stream, int eval) 53*6b384f39SPeter Avalos { 54*6b384f39SPeter Avalos const char *p; 55*6b384f39SPeter Avalos p = lafe_getprogname(); 56*6b384f39SPeter Avalos fprintf(stream, 57*6b384f39SPeter Avalos "Usage: %s [-h] [--help] [--version] [--] [filenames...]\n", p); 58*6b384f39SPeter Avalos exit(eval); 59*6b384f39SPeter Avalos } 60*6b384f39SPeter Avalos 61*6b384f39SPeter Avalos static void 62*6b384f39SPeter Avalos version(void) 63*6b384f39SPeter Avalos { 64*6b384f39SPeter Avalos printf("bsdcat %s - %s\n", 65*6b384f39SPeter Avalos BSDCAT_VERSION_STRING, 66*6b384f39SPeter Avalos archive_version_details()); 67*6b384f39SPeter Avalos exit(0); 68*6b384f39SPeter Avalos } 69*6b384f39SPeter Avalos 70*6b384f39SPeter Avalos void 71*6b384f39SPeter Avalos bsdcat_next() 72*6b384f39SPeter Avalos { 73*6b384f39SPeter Avalos a = archive_read_new(); 74*6b384f39SPeter Avalos archive_read_support_filter_all(a); 75*6b384f39SPeter Avalos archive_read_support_format_empty(a); 76*6b384f39SPeter Avalos archive_read_support_format_raw(a); 77*6b384f39SPeter Avalos } 78*6b384f39SPeter Avalos 79*6b384f39SPeter Avalos void 80*6b384f39SPeter Avalos bsdcat_print_error(void) 81*6b384f39SPeter Avalos { 82*6b384f39SPeter Avalos lafe_warnc(0, "%s: %s", 83*6b384f39SPeter Avalos bsdcat_current_path, archive_error_string(a)); 84*6b384f39SPeter Avalos exit_status = 1; 85*6b384f39SPeter Avalos } 86*6b384f39SPeter Avalos 87*6b384f39SPeter Avalos void 88*6b384f39SPeter Avalos bsdcat_read_to_stdout(char* filename) 89*6b384f39SPeter Avalos { 90*6b384f39SPeter Avalos int r; 91*6b384f39SPeter Avalos 92*6b384f39SPeter Avalos if (archive_read_open_filename(a, filename, BYTES_PER_BLOCK) 93*6b384f39SPeter Avalos != ARCHIVE_OK) 94*6b384f39SPeter Avalos bsdcat_print_error(); 95*6b384f39SPeter Avalos else if (r = archive_read_next_header(a, &ae), 96*6b384f39SPeter Avalos r != ARCHIVE_OK && r != ARCHIVE_EOF) 97*6b384f39SPeter Avalos bsdcat_print_error(); 98*6b384f39SPeter Avalos else if (r == ARCHIVE_EOF) 99*6b384f39SPeter Avalos /* for empty payloads don't try and read data */ 100*6b384f39SPeter Avalos ; 101*6b384f39SPeter Avalos else if (archive_read_data_into_fd(a, 1) != ARCHIVE_OK) 102*6b384f39SPeter Avalos bsdcat_print_error(); 103*6b384f39SPeter Avalos if (archive_read_free(a) != ARCHIVE_OK) 104*6b384f39SPeter Avalos bsdcat_print_error(); 105*6b384f39SPeter Avalos } 106*6b384f39SPeter Avalos 107*6b384f39SPeter Avalos int 108*6b384f39SPeter Avalos main(int argc, char **argv) 109*6b384f39SPeter Avalos { 110*6b384f39SPeter Avalos struct bsdcat *bsdcat, bsdcat_storage; 111*6b384f39SPeter Avalos int c; 112*6b384f39SPeter Avalos 113*6b384f39SPeter Avalos bsdcat = &bsdcat_storage; 114*6b384f39SPeter Avalos memset(bsdcat, 0, sizeof(*bsdcat)); 115*6b384f39SPeter Avalos 116*6b384f39SPeter Avalos lafe_setprogname(*argv, "bsdcat"); 117*6b384f39SPeter Avalos 118*6b384f39SPeter Avalos bsdcat->argv = argv; 119*6b384f39SPeter Avalos bsdcat->argc = argc; 120*6b384f39SPeter Avalos 121*6b384f39SPeter Avalos while ((c = bsdcat_getopt(bsdcat)) != -1) { 122*6b384f39SPeter Avalos switch (c) { 123*6b384f39SPeter Avalos case 'h': 124*6b384f39SPeter Avalos usage(stdout, 0); 125*6b384f39SPeter Avalos break; 126*6b384f39SPeter Avalos case OPTION_VERSION: 127*6b384f39SPeter Avalos version(); 128*6b384f39SPeter Avalos break; 129*6b384f39SPeter Avalos default: 130*6b384f39SPeter Avalos usage(stderr, 1); 131*6b384f39SPeter Avalos } 132*6b384f39SPeter Avalos } 133*6b384f39SPeter Avalos 134*6b384f39SPeter Avalos bsdcat_next(); 135*6b384f39SPeter Avalos if (*bsdcat->argv == NULL) { 136*6b384f39SPeter Avalos bsdcat_current_path = "<stdin>"; 137*6b384f39SPeter Avalos bsdcat_read_to_stdout(NULL); 138*6b384f39SPeter Avalos } else 139*6b384f39SPeter Avalos while (*bsdcat->argv) { 140*6b384f39SPeter Avalos bsdcat_current_path = *bsdcat->argv++; 141*6b384f39SPeter Avalos bsdcat_read_to_stdout(bsdcat_current_path); 142*6b384f39SPeter Avalos bsdcat_next(); 143*6b384f39SPeter Avalos } 144*6b384f39SPeter Avalos 145*6b384f39SPeter Avalos exit(exit_status); 146*6b384f39SPeter Avalos } 147