2 * Copyright (c) 1990,1993 Regents of The University of Michigan.
3 * All Rights Reserved. See COPYRIGHT.
13 #include <sys/types.h>
14 #include <sys/param.h>
16 #include <sys/syslog.h>
17 #include <netatalk/endian.h>
20 #include <atalk/afp.h>
24 #include "directory.h"
29 * Get the free space on a partition.
31 int ustatfs_getvolspace( vol, bfree, btotal, bsize )
32 const struct vol *vol;
33 VolSpace *bfree, *btotal;
42 if ( statfs( vol->v_path, &sfs ) < 0 ) {
43 return( AFPERR_PARAM );
47 *bfree = (VolSpace) sfs.fd_req.bfreen * 1024;
50 *bfree = (VolSpace) sfs.f_bavail * sfs.f_frsize;
51 *bsize = sfs.f_frsize;
54 if ( *bfree > 0x7fffffff / *bsize ) {
62 ( sfs.fd_req.btot - ( sfs.fd_req.bfree - sfs.fd_req.bfreen )) * 1024;
65 ( sfs.f_blocks - ( sfs.f_bfree - sfs.f_bavail )) * sfs.f_frsize;
67 if ( *bfree > 0x7fffffff / *bsize ) {
75 static __inline__ int utombits( bits )
82 mbits |= ( bits & ( S_IREAD >> 6 )) ? (AR_UREAD | AR_USEARCH) : 0;
83 mbits |= ( bits & ( S_IWRITE >> 6 )) ? AR_UWRITE : 0;
84 /* Do we really need this?
85 mbits |= ( bits & ( S_IEXEC >> 6) ) ? AR_USEARCH : 0; */
90 void utommode( stat, ma )
98 ma->ma_world = utombits( mode );
101 ma->ma_group = utombits( mode );
104 ma->ma_owner = utombits( mode );
108 ma->ma_user = AR_UWRITE | AR_UREAD | AR_USEARCH | AR_UOWN;
112 if ( uuid == stat->st_uid ) {
113 ma->ma_user = ma->ma_owner | AR_UOWN;
114 } else if ( gmem( stat->st_gid )) {
115 ma->ma_user = ma->ma_group;
117 ma->ma_user = ma->ma_world;
121 * There are certain things the mac won't try if you don't have
122 * the "owner" bit set, even tho you can do these things on unix wiht
123 * only write permission. What were the things?
125 if ( ma->ma_user & AR_UWRITE ) {
126 ma->ma_user |= AR_UOWN;
136 for ( i = 0; i < ngroups; i++ ) {
137 if ( groups[ i ] == gid ) {
144 static __inline__ mode_t mtoubits( bits )
151 mode |= ( bits & AR_UREAD ) ? ( (S_IREAD | S_IEXEC) >> 6 ) : 0;
152 mode |= ( bits & AR_UWRITE ) ? ( (S_IWRITE | S_IEXEC) >> 6 ) : 0;
153 /* I don't think there's a way to set the SEARCH bit by itself on a Mac
154 mode |= ( bits & AR_USEARCH ) ? ( S_IEXEC >> 6 ) : 0; */
159 mode_t mtoumode( ma )
165 mode |= mtoubits( ma->ma_owner );
168 mode |= mtoubits( ma->ma_group );
171 mode |= mtoubits( ma->ma_world );
176 inline int stickydirmode(name, mode)
182 /* Turn on the sticky bit if this is a drop box */
187 else /* if S_IWOTH and not S_IROTH */
191 if ( retval=chmod( name, (DIRBITS | mode | S_ISVTX)) < 0)
193 syslog( LOG_ERR, "stickydirmode::setdirmode error: chmod %s: %m", name );
198 syslog( LOG_DEBUG, "stickydirmode::setdirmode: chmod %s: %m", name );
204 if ( retval=chmod( name, DIRBITS | mode ) < 0 )
205 syslog( LOG_DEBUG, "stickydirmode::setdirmode: chmod %s: %m", name );
209 int setdeskmode( mode )
212 char wd[ MAXPATHLEN + 1];
214 char modbuf[ 12 + 1], *m;
215 struct dirent *deskp, *subp;
218 if ( getcwd( wd , MAXPATHLEN) == NULL ) {
221 if ( chdir( ".AppleDesktop" ) < 0 ) {
224 if (( desk = opendir( "." )) == NULL ) {
225 if ( chdir( wd ) < 0 ) {
226 syslog( LOG_ERR, "setdeskmode: chdir %s: %m", wd );
230 for ( deskp = readdir( desk ); deskp != NULL; deskp = readdir( desk )) {
231 if ( strcmp( deskp->d_name, "." ) == 0 ||
232 strcmp( deskp->d_name, ".." ) == 0 || strlen( deskp->d_name ) > 2 ) {
235 strcpy( modbuf, deskp->d_name );
236 strcat( modbuf, "/" );
237 m = strchr( modbuf, '\0' );
238 if (( sub = opendir( deskp->d_name )) == NULL ) {
241 for ( subp = readdir( sub ); subp != NULL; subp = readdir( sub )) {
242 if ( strcmp( subp->d_name, "." ) == 0 ||
243 strcmp( subp->d_name, ".." ) == 0 ) {
247 strcat( modbuf, subp->d_name );
248 /* XXX: need to preserve special modes */
249 if (stat(modbuf, &st) < 0) {
250 syslog( LOG_DEBUG, "setdeskmode: stat %s: %m", modbuf );
254 if (S_ISDIR(st.st_mode)) {
255 if ( chmod( modbuf, DIRBITS | mode ) < 0 ) {
256 syslog( LOG_DEBUG, "setdeskmode: chmod %s: %m", modbuf );
258 } else if ( chmod( modbuf, mode ) < 0 ) {
259 syslog( LOG_DEBUG, "setdeskmode: chmod %s: %m", modbuf );
264 /* XXX: need to preserve special modes */
265 if ( chmod( deskp->d_name, DIRBITS | mode ) < 0 ) {
266 syslog( LOG_DEBUG, "setdeskmode: chmod %s: %m", deskp->d_name );
270 if ( chdir( wd ) < 0 ) {
271 syslog( LOG_ERR, "setdeskmode: chdir %s: %m", wd );
274 /* XXX: need to preserve special modes */
275 if ( chmod( ".AppleDesktop", DIRBITS | mode ) < 0 ) {
276 syslog( LOG_DEBUG, "setdeskmode: chmod .AppleDesktop: %m" );
281 int setdirmode( mode, noadouble )
285 char buf[ MAXPATHLEN + 1];
291 if (( dir = opendir( "." )) == NULL ) {
292 syslog( LOG_ERR, "setdirmode: opendir .: %m" );
296 for ( dirp = readdir( dir ); dirp != NULL; dirp = readdir( dir )) {
297 if ( *dirp->d_name == '.' ) {
300 if ( stat( dirp->d_name, &st ) < 0 ) {
301 syslog( LOG_DEBUG, "setdirmode: stat %s: %m", dirp->d_name );
305 if (S_ISREG(st.st_mode)) {
306 /* XXX: need to preserve special modes */
307 if (S_ISDIR(st.st_mode)) {
308 stickydirmode(dirp->d_name, DIRBITS | mode);
310 stickydirmode(dirp->d_name, mode);
314 if (( dir = opendir( ".AppleDouble" )) == NULL ) {
316 goto setdirmode_noadouble;
317 syslog( LOG_ERR, "setdirmode: opendir .AppleDouble: %m" );
320 strcpy( buf, ".AppleDouble" );
322 m = strchr( buf, '\0' );
323 for ( dirp = readdir( dir ); dirp != NULL; dirp = readdir( dir )) {
324 if ( strcmp( dirp->d_name, "." ) == 0 ||
325 strcmp( dirp->d_name, ".." ) == 0 ) {
329 strcat( buf, dirp->d_name );
331 if ( stat( buf, &st ) < 0 ) {
332 syslog( LOG_DEBUG, "setdirmode: stat %s: %m", buf );
336 if (S_ISDIR(st.st_mode)) {
337 stickydirmode( buf, DIRBITS | mode );
339 stickydirmode( buf, mode );
343 /* XXX: use special bits to tag directory permissions */
345 /* XXX: need to preserve special modes */
346 if ( stickydirmode(".AppleDouble", DIRBITS | mode) < 0 )
349 setdirmode_noadouble:
350 /* XXX: need to preserve special modes */
351 if ( stickydirmode(".", DIRBITS | mode) < 0 )
356 int setdeskowner( uid, gid )
360 char wd[ MAXPATHLEN + 1];
361 char modbuf[12 + 1], *m;
362 struct dirent *deskp, *subp;
365 if ( getcwd( wd, MAXPATHLEN ) == NULL ) {
368 if ( chdir( ".AppleDesktop" ) < 0 ) {
371 if (( desk = opendir( "." )) == NULL ) {
372 if ( chdir( wd ) < 0 ) {
373 syslog( LOG_ERR, "setdeskowner: chdir %s: %m", wd );
377 for ( deskp = readdir( desk ); deskp != NULL; deskp = readdir( desk )) {
378 if ( strcmp( deskp->d_name, "." ) == 0 ||
379 strcmp( deskp->d_name, ".." ) == 0 ||
380 strlen( deskp->d_name ) > 2 ) {
383 strcpy( modbuf, deskp->d_name );
384 strcat( modbuf, "/" );
385 m = strchr( modbuf, '\0' );
386 if (( sub = opendir( deskp->d_name )) == NULL ) {
389 for ( subp = readdir( sub ); subp != NULL; subp = readdir( sub )) {
390 if ( strcmp( subp->d_name, "." ) == 0 ||
391 strcmp( subp->d_name, ".." ) == 0 ) {
395 strcat( modbuf, subp->d_name );
396 /* XXX: add special any uid, ignore group bits */
397 if ( chown( modbuf, uid, gid ) < 0 ) {
398 syslog( LOG_DEBUG, "setdeskown: chown %s: %m", modbuf );
402 /* XXX: add special any uid, ignore group bits */
403 if ( chown( deskp->d_name, uid, gid ) < 0 ) {
404 syslog( LOG_DEBUG, "setdeskowner: chown %s: %m", deskp->d_name );
408 if ( chdir( wd ) < 0 ) {
409 syslog( LOG_ERR, "setdeskowner: chdir %s: %m", wd );
412 if ( chown( ".AppleDesktop", uid, gid ) < 0 ) {
413 syslog( LOG_ERR, "setdeskowner: chown .AppleDesktop: %m" );
419 /* uid/gid == 0 need to be handled as special cases. they really mean
420 * that user/group should inherit from other, but that doesn't fit
421 * into the unix permission scheme. we can get around this by
422 * co-opting some bits. */
423 int setdirowner( uid, gid, noadouble )
428 char buf[ MAXPATHLEN + 1];
434 if (( dir = opendir( "." )) == NULL ) {
437 for ( dirp = readdir( dir ); dirp != NULL; dirp = readdir( dir )) {
438 if ( *dirp->d_name == '.' ) {
441 if ( stat( dirp->d_name, &st ) < 0 ) {
442 syslog( LOG_DEBUG, "setdirowner: stat %s: %m", dirp->d_name );
445 if (( st.st_mode & S_IFMT ) == S_IFREG ) {
446 if ( chown( dirp->d_name, uid, gid ) < 0 ) {
447 syslog( LOG_DEBUG, "setdirowner: chown %s: %m", dirp->d_name );
452 if (( dir = opendir( ".AppleDouble" )) == NULL ) {
454 goto setdirowner_noadouble;
457 strcpy( buf, ".AppleDouble" );
459 m = strchr( buf, '\0' );
460 for ( dirp = readdir( dir ); dirp != NULL; dirp = readdir( dir )) {
461 if ( strcmp( dirp->d_name, "." ) == 0 ||
462 strcmp( dirp->d_name, ".." ) == 0 ) {
466 strcat( buf, dirp->d_name );
467 if ( chown( buf, uid, gid ) < 0 ) {
468 syslog( LOG_DEBUG, "setdirowner: chown %d/%d %s: %m",
475 * We cheat: we know that chown doesn't do anything.
477 if ( stat( ".AppleDouble", &st ) < 0 ) {
478 syslog( LOG_ERR, "setdirowner: stat .AppleDouble: %m" );
481 if ( gid && gid != st.st_gid && chown( ".AppleDouble", uid, gid ) < 0 ) {
482 syslog( LOG_DEBUG, "setdirowner: chown %d/%d .AppleDouble: %m",
486 setdirowner_noadouble:
487 if ( stat( ".", &st ) < 0 ) {
490 if ( gid && gid != st.st_gid && chown( ".", uid, gid ) < 0 ) {
491 syslog( LOG_DEBUG, "setdirowner: chown %d/%d .: %m",