Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 1 | /* Copyright 1998-2002,2009 Alain Knaff. |
| 2 | * This file is part of mtools. |
| 3 | * |
| 4 | * Mtools is free software: you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation, either version 3 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * Mtools is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with Mtools. If not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | #include "sysincludes.h" |
| 19 | #include "msdos.h" |
| 20 | #include "stream.h" |
| 21 | #include "mtools.h" |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 22 | #include "file.h" |
| 23 | #include "htable.h" |
| 24 | #include "mainloop.h" |
| 25 | #include <dirent.h> |
| 26 | |
| 27 | typedef struct Dir_t { |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame^] | 28 | struct Stream_t head; |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 29 | |
| 30 | struct MT_STAT statbuf; |
| 31 | char *pathname; |
| 32 | DIR *dir; |
| 33 | #ifdef HAVE_FCHDIR |
| 34 | int fd; |
| 35 | #endif |
| 36 | } Dir_t; |
| 37 | |
| 38 | /*#define FCHDIR_MODE*/ |
| 39 | |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame^] | 40 | static int get_dir_data(Stream_t *Stream, time_t *date, mt_off_t *size, |
| 41 | int *type, unsigned int *address) |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 42 | { |
| 43 | DeclareThis(Dir_t); |
| 44 | |
| 45 | if(date) |
| 46 | *date = This->statbuf.st_mtime; |
| 47 | if(size) |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame^] | 48 | *size = This->statbuf.st_size; |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 49 | if(type) |
| 50 | *type = 1; |
| 51 | if(address) |
| 52 | *address = 0; |
| 53 | return 0; |
| 54 | } |
| 55 | |
| 56 | static int dir_free(Stream_t *Stream) |
| 57 | { |
| 58 | DeclareThis(Dir_t); |
| 59 | |
| 60 | Free(This->pathname); |
| 61 | closedir(This->dir); |
| 62 | return 0; |
| 63 | } |
| 64 | |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame^] | 65 | static Class_t DirClass = { |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 66 | 0, /* read */ |
| 67 | 0, /* write */ |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame^] | 68 | 0, /* pread */ |
| 69 | 0, /* pwrite */ |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 70 | 0, /* flush */ |
| 71 | dir_free, /* free */ |
| 72 | 0, /* get_geom */ |
| 73 | get_dir_data , |
| 74 | 0, /* pre-allocate */ |
| 75 | 0, /* get_dosConvert */ |
| 76 | 0 /* discard */ |
| 77 | }; |
| 78 | |
| 79 | #ifdef HAVE_FCHDIR |
| 80 | #define FCHDIR_MODE |
| 81 | #endif |
| 82 | |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame^] | 83 | int unix_dir_loop(Stream_t *Stream, MainParam_t *mp); |
| 84 | int unix_loop(Stream_t *Stream, MainParam_t *mp, char *arg, |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 85 | int follow_dir_link); |
| 86 | |
| 87 | int unix_dir_loop(Stream_t *Stream, MainParam_t *mp) |
| 88 | { |
| 89 | DeclareThis(Dir_t); |
| 90 | struct dirent *entry; |
| 91 | char *newName; |
| 92 | int ret=0; |
| 93 | |
| 94 | #ifdef FCHDIR_MODE |
| 95 | int fd; |
| 96 | |
| 97 | fd = open(".", O_RDONLY); |
| 98 | if(chdir(This->pathname) < 0) { |
| 99 | fprintf(stderr, "Could not chdir into %s (%s)\n", |
| 100 | This->pathname, strerror(errno)); |
| 101 | return -1; |
| 102 | } |
| 103 | #endif |
| 104 | while((entry=readdir(This->dir)) != NULL) { |
| 105 | if(got_signal) |
| 106 | break; |
| 107 | if(isSpecial(entry->d_name)) |
| 108 | continue; |
| 109 | #ifndef FCHDIR_MODE |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame^] | 110 | newName = malloc(strlen(This->pathname) + 1 + |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 111 | strlen(entry->d_name) + 1); |
| 112 | if(!newName) { |
| 113 | ret = ERROR_ONE; |
| 114 | break; |
| 115 | } |
| 116 | strcpy(newName, This->pathname); |
| 117 | strcat(newName, "/"); |
| 118 | strcat(newName, entry->d_name); |
| 119 | #else |
| 120 | newName = entry->d_name; |
| 121 | #endif |
| 122 | ret |= unix_loop(Stream, mp, newName, 0); |
| 123 | #ifndef FCHDIR_MODE |
| 124 | free(newName); |
| 125 | #endif |
| 126 | } |
| 127 | #ifdef FCHDIR_MODE |
| 128 | if(fchdir(fd) < 0) |
| 129 | perror("Could not chdir back to .."); |
| 130 | close(fd); |
| 131 | #endif |
| 132 | return ret; |
| 133 | } |
| 134 | |
| 135 | Stream_t *OpenDir(const char *filename) |
| 136 | { |
| 137 | Dir_t *This; |
| 138 | |
| 139 | This = New(Dir_t); |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame^] | 140 | init_head(&This->head, &DirClass, NULL); |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 141 | This->pathname = malloc(strlen(filename)+1); |
| 142 | if(This->pathname == NULL) { |
| 143 | Free(This); |
| 144 | return NULL; |
| 145 | } |
| 146 | strcpy(This->pathname, filename); |
| 147 | |
| 148 | if(MT_STAT(filename, &This->statbuf) < 0) { |
| 149 | Free(This->pathname); |
| 150 | Free(This); |
| 151 | return NULL; |
| 152 | } |
| 153 | |
| 154 | This->dir = opendir(filename); |
| 155 | if(!This->dir) { |
| 156 | Free(This->pathname); |
| 157 | Free(This); |
| 158 | return NULL; |
| 159 | } |
| 160 | |
Yi Kong | 39bbd96 | 2022-01-09 19:41:38 +0800 | [diff] [blame^] | 161 | return &This->head; |
Alistair Delva | beaee83 | 2021-02-24 11:27:23 -0800 | [diff] [blame] | 162 | } |