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c627d613 AT |
1 | /* |
2 | Copyright (C) Andrew Tridgell 1996 | |
3 | Copyright (C) Paul Mackerras 1996 | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
18 | */ | |
19 | ||
20 | #define BLOCK_SIZE 700 | |
21 | #define RSYNC_RSH_ENV "RSYNC_RSH" | |
22 | #define RSYNC_RSH "rsh" | |
23 | #define RSYNC_NAME "rsync" | |
24 | #define BACKUP_SUFFIX "~" | |
25 | ||
26 | /* update this if you make incompatible changes */ | |
182dca5c AT |
27 | #define PROTOCOL_VERSION 10 |
28 | #define MIN_PROTOCOL_VERSION 10 | |
c627d613 AT |
29 | |
30 | /* block size to write files in */ | |
31 | #define WRITE_BLOCK_SIZE (32*1024) | |
32 | ||
58d433ab AT |
33 | #define BLOCKING_TIMEOUT 10 |
34 | ||
c627d613 AT |
35 | #include "config.h" |
36 | ||
37 | #include <sys/types.h> | |
38 | #ifdef HAVE_UNISTD_H | |
39 | #include <unistd.h> | |
40 | #endif | |
41 | #include <stdio.h> | |
42 | ||
43 | #ifdef HAVE_SYS_PARAM_H | |
44 | #include <sys/param.h> | |
45 | #endif | |
46 | ||
47 | #ifdef STDC_HEADERS | |
48 | # include <stdlib.h> | |
49 | # include <string.h> | |
50 | #endif | |
51 | ||
52 | #ifdef HAVE_COMPAT_H | |
53 | #include <compat.h> | |
54 | #endif | |
55 | ||
56 | #ifdef HAVE_MALLOC_H | |
57 | #include <malloc.h> | |
58 | #endif | |
59 | ||
60 | #ifdef TIME_WITH_SYS_TIME | |
61 | #include <sys/time.h> | |
62 | #include <time.h> | |
63 | #else | |
64 | #ifdef HAVE_SYS_TIME_H | |
65 | #include <sys/time.h> | |
66 | #else | |
67 | #include <time.h> | |
68 | #endif | |
69 | #endif | |
70 | ||
71 | #ifdef HAVE_FCNTL_H | |
72 | #include <fcntl.h> | |
73 | #else | |
74 | #ifdef HAVE_SYS_FCNTL_H | |
75 | #include <sys/fcntl.h> | |
76 | #endif | |
77 | #endif | |
78 | ||
79 | #include <sys/stat.h> | |
80 | ||
94481d91 AT |
81 | #ifdef HAVE_SYS_IOCTL_H |
82 | #include <sys/ioctl.h> | |
83 | #endif | |
84 | ||
85 | #ifdef HAVE_SYS_FILIO_H | |
86 | #include <sys/filio.h> | |
87 | #endif | |
88 | ||
c627d613 AT |
89 | #include <signal.h> |
90 | #ifdef HAVE_SYS_WAIT_H | |
91 | #include <sys/wait.h> | |
92 | #endif | |
93 | #ifdef HAVE_CTYPE_H | |
94 | #include <ctype.h> | |
95 | #endif | |
96 | #ifdef HAVE_GRP_H | |
97 | #include <grp.h> | |
98 | #endif | |
99 | #include <errno.h> | |
100 | ||
101 | #include <sys/mman.h> | |
102 | #ifdef HAVE_UTIME_H | |
103 | #include <utime.h> | |
104 | #endif | |
105 | ||
106 | #ifdef HAVE_FNMATCH | |
107 | #include <fnmatch.h> | |
108 | #else | |
109 | #include "lib/fnmatch.h" | |
110 | #endif | |
111 | ||
112 | #ifdef HAVE_GETOPT_LONG | |
113 | #include <getopt.h> | |
114 | #else | |
115 | #include "lib/getopt.h" | |
116 | #endif | |
117 | ||
118 | ||
119 | #ifndef S_ISLNK | |
120 | #define S_ISLNK(mode) (((mode) & S_IFLNK) == S_IFLNK) | |
121 | #endif | |
122 | ||
123 | #ifndef uchar | |
124 | #define uchar unsigned char | |
125 | #endif | |
126 | ||
127 | #ifndef int32 | |
128 | #if (SIZEOF_INT == 4) | |
129 | #define int32 int | |
130 | #elif (SIZEOF_LONG == 4) | |
131 | #define int32 long | |
132 | #elif (SIZEOF_SHORT == 4) | |
133 | #define int32 short | |
134 | #endif | |
135 | #endif | |
136 | ||
137 | #ifndef uint32 | |
138 | #define uint32 unsigned int32 | |
139 | #endif | |
140 | ||
141 | ||
142 | #ifndef MIN | |
143 | #define MIN(a,b) ((a)<(b)?(a):(b)) | |
144 | #endif | |
145 | ||
146 | #ifndef MAX | |
147 | #define MAX(a,b) ((a)>(b)?(a):(b)) | |
148 | #endif | |
149 | ||
150 | /* the length of the md4 checksum */ | |
151 | #define SUM_LENGTH 16 | |
152 | ||
153 | #ifndef MAXPATHLEN | |
154 | #define MAXPATHLEN 1024 | |
155 | #endif | |
156 | ||
157 | struct file_struct { | |
158 | time_t modtime; | |
159 | off_t length; | |
160 | mode_t mode; | |
161 | dev_t dev; | |
162 | uid_t uid; | |
163 | gid_t gid; | |
164 | char *name; | |
165 | char *dir; | |
166 | char *link; | |
167 | char sum[SUM_LENGTH]; | |
168 | }; | |
169 | ||
170 | struct file_list { | |
171 | int count; | |
172 | int malloced; | |
173 | struct file_struct *files; | |
174 | }; | |
175 | ||
176 | struct sum_buf { | |
177 | off_t offset; /* offset in file of this chunk */ | |
178 | int len; /* length of chunk of file */ | |
179 | int i; /* index of this chunk */ | |
180 | uint32 sum1; /* simple checksum */ | |
181 | char sum2[SUM_LENGTH]; /* md4 checksum */ | |
182 | }; | |
183 | ||
184 | struct sum_struct { | |
185 | off_t flength; /* total file length */ | |
186 | int count; /* how many chunks */ | |
187 | int remainder; /* flength % block_length */ | |
188 | int n; /* block_length */ | |
189 | struct sum_buf *sums; /* points to info for each chunk */ | |
190 | }; | |
191 | ||
192 | ||
193 | #include "byteorder.h" | |
194 | #include "version.h" | |
195 | #include "proto.h" | |
196 | #include "md4.h" | |
197 | ||
198 | #if !HAVE_STRERROR | |
199 | extern char *sys_errlist[]; | |
200 | #define strerror(i) sys_errlist[i] | |
201 | #endif | |
202 | ||
203 | #ifndef HAVE_STRCHR | |
204 | # define strchr index | |
205 | # define strrchr rindex | |
206 | #endif | |
207 | ||
208 | #if HAVE_DIRENT_H | |
209 | # include <dirent.h> | |
210 | #else | |
211 | # define dirent direct | |
212 | # if HAVE_SYS_NDIR_H | |
213 | # include <sys/ndir.h> | |
214 | # endif | |
215 | # if HAVE_SYS_DIR_H | |
216 | # include <sys/dir.h> | |
217 | # endif | |
218 | # if HAVE_NDIR_H | |
219 | # include <ndir.h> | |
220 | # endif | |
221 | #endif | |
222 | ||
223 | #ifndef HAVE_ERRNO_DECL | |
224 | extern int errno; | |
225 | #endif | |
226 | ||
227 | #ifndef HAVE_BCOPY | |
228 | #define bcopy(src,dest,n) memcpy(dest,src,n) | |
229 | #endif | |
230 | ||
231 | #ifndef HAVE_BZERO | |
232 | #define bzero(buf,n) memset(buf,0,n) | |
233 | #endif | |
234 | ||
235 | #define SUPPORT_LINKS (HAVE_READLINK && defined(S_ISLNK)) | |
236 | ||
237 | #if !SUPPORT_LINKS | |
238 | #define lstat stat | |
239 | #endif | |
ac1eb754 AT |
240 | |
241 | #define SIGNAL_CAST (RETSIGTYPE (*)()) | |
720b47f2 AT |
242 | |
243 | #ifndef EWOULDBLOCK | |
244 | #define EWOULDBLOCK EAGAIN | |
245 | #endif | |
182dca5c AT |
246 | |
247 | #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode)) |