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a6bc1707 RS |
1 | /* |
2 | Copyright (C) by Ronnie Sahlberg <ronniesahlberg@gmail.com> 2013 | |
3 | ||
4 | This program 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 | This program 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 this program; if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
18 | #define _FILE_OFFSET_BITS 64 | |
19 | #define _GNU_SOURCE | |
20 | ||
21 | #ifdef HAVE_CONFIG_H | |
22 | #include "config.h" | |
23 | #endif | |
24 | ||
25 | #ifdef AROS | |
26 | #include "aros_compat.h" | |
27 | #endif | |
28 | ||
29 | ||
30 | #ifdef WIN32 | |
31 | #include "win32_compat.h" | |
67a9f57e RS |
32 | #pragma comment(lib, "ws2_32.lib") |
33 | WSADATA wsaData; | |
a6bc1707 RS |
34 | #else |
35 | #include <sys/stat.h> | |
36 | #include <string.h> | |
37 | #endif | |
38 | ||
39 | #ifdef HAVE_POLL_H | |
40 | #include <poll.h> | |
41 | #endif | |
42 | ||
43 | #ifdef HAVE_UNISTD_H | |
44 | #include <unistd.h> | |
45 | #endif | |
46 | ||
47 | #include <stdio.h> | |
48 | #include <stdlib.h> | |
49 | #include <stdint.h> | |
50 | #include <sys/types.h> | |
51 | #include <fcntl.h> | |
a6bc1707 RS |
52 | #include "libnfs.h" |
53 | #include "libnfs-raw.h" | |
54 | #include "libnfs-raw-mount.h" | |
55 | ||
56 | struct file_context { | |
57 | int is_nfs; | |
58 | int fd; | |
59 | struct nfs_context *nfs; | |
60 | struct nfsfh *nfsfh; | |
82f5df21 | 61 | struct nfs_url *url; |
a6bc1707 RS |
62 | }; |
63 | ||
64 | void usage(void) | |
65 | { | |
66 | fprintf(stderr, "Usage: nfs-cp <src> <dst>\n"); | |
67 | fprintf(stderr, "<src>,<dst> can either be a local file or " | |
68 | "an nfs URL.\n"); | |
69 | exit(0); | |
70 | } | |
71 | ||
72 | static void | |
73 | free_file_context(struct file_context *file_context) | |
74 | { | |
75 | if (file_context->fd != -1) { | |
76 | close(file_context->fd); | |
77 | } | |
78 | if (file_context->nfsfh != NULL) { | |
79 | nfs_close(file_context->nfs, file_context->nfsfh); | |
80 | } | |
81 | if (file_context->nfs != NULL) { | |
82 | nfs_destroy_context(file_context->nfs); | |
83 | } | |
82f5df21 | 84 | nfs_destroy_url(file_context->url); |
a6bc1707 RS |
85 | free(file_context); |
86 | } | |
87 | ||
88 | static int | |
89 | fstat_file(struct file_context *fc, struct stat *st) | |
90 | { | |
91 | if (fc->is_nfs == 0) { | |
92 | return fstat(fc->fd, st); | |
93 | } else { | |
94 | return nfs_fstat(fc->nfs, fc->nfsfh, st); | |
95 | } | |
96 | } | |
97 | ||
98 | static int64_t | |
99 | file_pread(struct file_context *fc, char *buf, int64_t count, uint64_t off) | |
100 | { | |
101 | if (fc->is_nfs == 0) { | |
3d574b1e RS |
102 | lseek(fc->fd, off, SEEK_SET); |
103 | return read(fc->fd, buf, count); | |
a6bc1707 RS |
104 | } else { |
105 | return nfs_pread(fc->nfs, fc->nfsfh, off, count, buf); | |
106 | } | |
107 | } | |
108 | ||
109 | static int64_t | |
110 | file_pwrite(struct file_context *fc, char *buf, int64_t count, uint64_t off) | |
111 | { | |
112 | if (fc->is_nfs == 0) { | |
3d574b1e RS |
113 | lseek(fc->fd, off, SEEK_SET); |
114 | return write(fc->fd, buf, count); | |
a6bc1707 RS |
115 | } else { |
116 | return nfs_pwrite(fc->nfs, fc->nfsfh, off, count, buf); | |
117 | } | |
118 | } | |
119 | ||
120 | static struct file_context * | |
121 | open_file(const char *url, int flags) | |
122 | { | |
123 | struct file_context *file_context; | |
a6bc1707 RS |
124 | |
125 | file_context = malloc(sizeof(struct file_context)); | |
126 | if (file_context == NULL) { | |
127 | fprintf(stderr, "Failed to malloc file_context\n"); | |
128 | return NULL; | |
129 | } | |
130 | file_context->is_nfs = 0; | |
131 | file_context->fd = -1; | |
132 | file_context->nfs = NULL; | |
133 | file_context->nfsfh = NULL; | |
22fbc5da | 134 | file_context->url = NULL; |
a6bc1707 | 135 | |
a6bc1707 RS |
136 | if (strncmp(url, "nfs://", 6)) { |
137 | file_context->is_nfs = 0; | |
138 | file_context->fd = open(url, flags, 0660); | |
139 | if (file_context->fd == -1) { | |
140 | fprintf(stderr, "Failed to open %s\n", url); | |
141 | free_file_context(file_context); | |
142 | return NULL; | |
143 | } | |
144 | return file_context; | |
145 | } | |
146 | ||
147 | file_context->is_nfs = 1; | |
148 | ||
149 | file_context->nfs = nfs_init_context(); | |
150 | if (file_context->nfs == NULL) { | |
151 | fprintf(stderr, "failed to init context\n"); | |
152 | free_file_context(file_context); | |
153 | return NULL; | |
154 | } | |
155 | ||
82f5df21 PL |
156 | file_context->url = nfs_parse_url_full(file_context->nfs, url); |
157 | if (file_context->url == NULL) { | |
158 | fprintf(stderr, "%s\n", nfs_get_error(file_context->nfs)); | |
a6bc1707 RS |
159 | free_file_context(file_context); |
160 | return NULL; | |
161 | } | |
162 | ||
82f5df21 PL |
163 | if (nfs_mount(file_context->nfs, file_context->url->server, |
164 | file_context->url->path) != 0) { | |
165 | fprintf(stderr, "Failed to mount nfs share : %s\n", | |
a6bc1707 | 166 | nfs_get_error(file_context->nfs)); |
a6bc1707 RS |
167 | free_file_context(file_context); |
168 | return NULL; | |
169 | } | |
170 | ||
171 | if (flags == O_RDONLY) { | |
82f5df21 | 172 | if (nfs_open(file_context->nfs, file_context->url->file, flags, |
a6bc1707 | 173 | &file_context->nfsfh) != 0) { |
82f5df21 PL |
174 | fprintf(stderr, "Failed to open file %s: %s\n", |
175 | file_context->url->file, | |
a6bc1707 | 176 | nfs_get_error(file_context->nfs)); |
a6bc1707 RS |
177 | free_file_context(file_context); |
178 | return NULL; | |
179 | } | |
180 | } else { | |
82f5df21 | 181 | if (nfs_creat(file_context->nfs, file_context->url->file, 0660, |
a6bc1707 | 182 | &file_context->nfsfh) != 0) { |
82f5df21 PL |
183 | fprintf(stderr, "Failed to creat file %s: %s\n", |
184 | file_context->url->file, | |
a6bc1707 | 185 | nfs_get_error(file_context->nfs)); |
a6bc1707 RS |
186 | free_file_context(file_context); |
187 | return NULL; | |
188 | } | |
189 | } | |
a6bc1707 RS |
190 | return file_context; |
191 | } | |
192 | ||
193 | #define BUFSIZE 1024*1024 | |
194 | static char buf[BUFSIZE]; | |
195 | ||
196 | int main(int argc, char *argv[]) | |
197 | { | |
198 | int ret; | |
199 | struct stat st; | |
200 | struct file_context *src; | |
201 | struct file_context *dst; | |
202 | uint64_t off; | |
203 | int64_t count; | |
204 | ||
205 | #ifdef WIN32 | |
206 | if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) { | |
207 | printf("Failed to start Winsock2\n"); | |
208 | return 10; | |
209 | } | |
210 | #endif | |
211 | ||
212 | #ifdef AROS | |
213 | aros_init_socket(); | |
214 | #endif | |
215 | ||
216 | if (argc != 3) { | |
217 | usage(); | |
218 | } | |
219 | ||
220 | src = open_file(argv[1], O_RDONLY); | |
221 | if (src == NULL) { | |
222 | fprintf(stderr, "Failed to open %s\n", argv[1]); | |
223 | return 10; | |
224 | } | |
225 | ||
226 | dst = open_file(argv[2], O_WRONLY|O_CREAT|O_TRUNC); | |
227 | if (dst == NULL) { | |
228 | fprintf(stderr, "Failed to open %s\n", argv[2]); | |
229 | free_file_context(src); | |
230 | return 10; | |
231 | } | |
232 | ||
233 | if (fstat_file(src, &st) != 0) { | |
234 | fprintf(stderr, "Failed to fstat source file\n"); | |
235 | free_file_context(src); | |
236 | free_file_context(dst); | |
237 | return 10; | |
238 | } | |
239 | ||
240 | off = 0; | |
241 | while (off < st.st_size) { | |
242 | count = st.st_size - off; | |
243 | if (count > BUFSIZE) { | |
244 | count = BUFSIZE; | |
245 | } | |
246 | count = file_pread(src, buf, count, off); | |
247 | if (count < 0) { | |
248 | fprintf(stderr, "Failed to read from source file\n"); | |
249 | free_file_context(src); | |
250 | free_file_context(dst); | |
251 | return 10; | |
252 | } | |
253 | count = file_pwrite(dst, buf, count, off); | |
254 | if (count < 0) { | |
255 | fprintf(stderr, "Failed to write to dest file\n"); | |
256 | free_file_context(src); | |
257 | free_file_context(dst); | |
258 | return 10; | |
259 | } | |
260 | ||
261 | off += count; | |
262 | } | |
767a479c | 263 | printf("copied %d bytes\n", (int)off); |
a6bc1707 RS |
264 | |
265 | free_file_context(src); | |
266 | free_file_context(dst); | |
267 | ||
268 | return 0; | |
269 | } |