2 Unix SMB/Netbios implementation.
4 Copyright (C) Andrew Tridgell 1992-1998
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 netatalk.c : routines for improving interaction between Samba and netatalk.
23 Copyright (C) John D. Blair <jdblair@cobaltnet.com> 1998
32 ntalk_resourcepath: creates the path to the netatalk resource fork for
35 fname: normal filename
36 doublename: buffer that will contain the location of the resource fork
37 length: length of this buffer (to prevent overflows)
39 NOTE: doesn't currently gracefully deal with buffer overflows- it just
40 doesn't allow them to occur.
42 void ntalk_resourcepath(const char *fname, char *doublename, const int length)
47 char appledouble[] = APPLEDOUBLE;
49 /* copy fname to doublename and find last slash */
50 for (i = 0; (fname[i] != 0) && (i <= length); i++) {
51 if (fname[i] == '/') {
54 doublename[i] = fname[i];
56 lastslash++; /* location just after last slash */
58 /* insert .AppleDouble */
60 for (i = 0; (appledouble[i] != 0) && (i <= length); i++) {
61 doublename[charnum] = appledouble[i];
65 /* append last part of file name */
66 for (i = lastslash; (fname[i] != 0) && (i <= length); i++) {
67 doublename[charnum] = fname[i];
71 doublename[charnum] = 0;
74 /**********************
75 ntalk_mkresdir: creates a new .AppleDouble directory (if necessary)
76 for the resource fork of a specified file
77 **********************/
78 int ntalk_mkresdir(const char *fname)
83 SMB_STRUCT_STAT dirstats;
84 char appledouble[] = APPLEDOUBLE;
86 /* find directory containing fname */
87 for (i = 0; (fname[i] != 0) && (i <= 254); i++) {
95 sys_lstat(fdir, &dirstats);
97 /* append .AppleDouble */
98 for (i = 0; (appledouble[i] != 0) && (lastslash <= 254); i++) {
99 fdir[lastslash] = appledouble[i];
104 /* create this directory */
105 /* silently ignore EEXIST error */
106 if ((mkdir(fdir, dirstats.st_mode) < 0) && (errno != EEXIST)) {
110 /* set ownership of this dir to the same as its parent */
111 /* holy race condition, batman! */
112 /* warning: this doesn't check for errors */
113 chown(fdir, dirstats.st_uid, dirstats.st_gid);
115 printf("%s\n", fdir);
120 /**********************
121 ntalk_unlink: unlink a file and its resource fork
122 **********************/
123 int ntalk_unlink(const char *fname)
127 ntalk_resourcepath(fname, buf, 255);
129 return unlink(fname);
132 /**********************
133 ntalk_chown: chown a file and its resource fork
134 **********************/
135 int ntalk_chown(const char *fname, const uid_t uid, const gid_t gid)
139 ntalk_resourcepath(fname, buf, 255);
140 chown(buf, uid, gid);
141 return chown(fname, uid, gid);
144 /**********************
145 ntalk_chmod: chmod a file and its resource fork
146 **********************/
147 int ntalk_chmod(const char *fname, mode_t perms)
151 ntalk_resourcepath(fname, buf, 255);
153 return chmod(fname, perms);
156 #endif /* WITH_NETATALK */