1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
Unix SMB/Netbios implementation.
Version 1.9.
Copyright (C) Andrew Tridgell 1992-1998
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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.
*/
/*
netatalk.c : routines for improving interaction between Samba and netatalk.
Copyright (C) John D. Blair <jdblair@cobaltnet.com> 1998
Cobalt Networks, Inc.
*/
#include "includes.h"
#ifdef WITH_NETATALK
/*****************
ntalk_resourcepath: creates the path to the netatalk resource fork for
a given file
fname: normal filename
doublename: buffer that will contain the location of the resource fork
length: length of this buffer (to prevent overflows)
NOTE: doesn't currently gracefully deal with buffer overflows- it just
doesn't allow them to occur.
******************/
void ntalk_resourcepath(const char *fname, char *doublename, const int length)
{
int i;
int charnum;
int lastslash;
char appledouble[] = APPLEDOUBLE;
/* copy fname to doublename and find last slash */
for (i = 0; (fname[i] != 0) && (i <= length); i++) {
if (fname[i] == '/') {
lastslash = i;
}
doublename[i] = fname[i];
}
lastslash++; /* location just after last slash */
/* insert .AppleDouble */
charnum = lastslash;
for (i = 0; (appledouble[i] != 0) && (i <= length); i++) {
doublename[charnum] = appledouble[i];
charnum++;
}
/* append last part of file name */
for (i = lastslash; (fname[i] != 0) && (i <= length); i++) {
doublename[charnum] = fname[i];
charnum++;
}
doublename[charnum] = 0;
}
/**********************
ntalk_mkresdir: creates a new .AppleDouble directory (if necessary)
for the resource fork of a specified file
**********************/
int ntalk_mkresdir(const char *fname)
{
char fdir[255];
int i;
int lastslash;
SMB_STRUCT_STAT dirstats;
char appledouble[] = APPLEDOUBLE;
/* find directory containing fname */
for (i = 0; (fname[i] != 0) && (i <= 254); i++) {
fdir[i] = fname[i];
if (fdir[i] == '/') {
lastslash = i;
}
}
lastslash++;
fdir[lastslash] = 0;
sys_lstat(fdir, &dirstats);
/* append .AppleDouble */
for (i = 0; (appledouble[i] != 0) && (lastslash <= 254); i++) {
fdir[lastslash] = appledouble[i];
lastslash++;
}
fdir[lastslash] = 0;
/* create this directory */
/* silently ignore EEXIST error */
if ((mkdir(fdir, dirstats.st_mode) < 0) && (errno != EEXIST)) {
return errno;
}
/* set ownership of this dir to the same as its parent */
/* holy race condition, batman! */
/* warning: this doesn't check for errors */
chown(fdir, dirstats.st_uid, dirstats.st_gid);
printf("%s\n", fdir);
return 1;
}
/**********************
ntalk_unlink: unlink a file and its resource fork
**********************/
int ntalk_unlink(const char *fname)
{
char buf[255];
ntalk_resourcepath(fname, buf, 255);
unlink(buf);
return unlink(fname);
}
/**********************
ntalk_chown: chown a file and its resource fork
**********************/
int ntalk_chown(const char *fname, const uid_t uid, const gid_t gid)
{
char buf[255];
ntalk_resourcepath(fname, buf, 255);
chown(buf, uid, gid);
return chown(fname, uid, gid);
}
/**********************
ntalk_chmod: chmod a file and its resource fork
**********************/
int ntalk_chmod(const char *fname, mode_t perms)
{
char buf[255];
ntalk_resourcepath(fname, buf, 255);
chmod(buf, perms);
return chmod(fname, perms);
}
#endif /* WITH_NETATALK */
|
