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;
55 // if the volume is over 2GB in size, report
57 // this doesn't seem to work correctly for
58 // 64 bit size descriptors.
59 if ( *bfree > 0x7fffffff / *bsize ) {
68 ( sfs.fd_req.btot - ( sfs.fd_req.bfree - sfs.fd_req.bfreen )) * 1024;
71 ( sfs.f_blocks - ( sfs.f_bfree - sfs.f_bavail )) * sfs.f_frsize;
75 // see similar block above comments
76 if ( *bfree > 0x7fffffff / *bsize ) {
86 static __inline__ int utombits( bits )
93 mbits |= ( bits & ( S_IREAD >> 6 )) ? (AR_UREAD | AR_USEARCH) : 0;
94 mbits |= ( bits & ( S_IWRITE >> 6 )) ? AR_UWRITE : 0;
95 /* Do we really need this?
96 mbits |= ( bits & ( S_IEXEC >> 6) ) ? AR_USEARCH : 0; */
101 void utommode( stat, ma )
107 mode = stat->st_mode;
109 ma->ma_world = utombits( mode );
112 ma->ma_group = utombits( mode );
115 ma->ma_owner = utombits( mode );
117 if ( (uuid == stat->st_uid) || (uuid == 0)) {
118 ma->ma_user = ma->ma_owner | AR_UOWN;
119 } else if ( gmem( stat->st_gid )) {
120 ma->ma_user = ma->ma_group;
122 ma->ma_user = ma->ma_world;
126 * There are certain things the mac won't try if you don't have
127 * the "owner" bit set, even tho you can do these things on unix wiht
128 * only write permission. What were the things?
130 if ( ma->ma_user & AR_UWRITE ) {
131 ma->ma_user |= AR_UOWN;
141 for ( i = 0; i < ngroups; i++ ) {
142 if ( groups[ i ] == gid ) {
149 static __inline__ mode_t mtoubits( bits )
156 mode |= ( bits & AR_UREAD ) ? ( (S_IREAD | S_IEXEC) >> 6 ) : 0;
157 mode |= ( bits & AR_UWRITE ) ? ( (S_IWRITE | S_IEXEC) >> 6 ) : 0;
158 /* I don't think there's a way to set the SEARCH bit by itself on a Mac
159 mode |= ( bits & AR_USEARCH ) ? ( S_IEXEC >> 6 ) : 0; */
164 mode_t mtoumode( ma )
170 mode |= mtoubits( ma->ma_owner );
173 mode |= mtoubits( ma->ma_group );
176 mode |= mtoubits( ma->ma_world );
181 inline int stickydirmode(name, mode)
187 /* Turn on the sticky bit if this is a drop box */
192 else /* if S_IWOTH and not S_IROTH */
196 syslog( LOG_ERR, "stickydirmode: unable to seteuid root: %m");
197 if ( retval=chmod( name, (DIRBITS | mode | S_ISVTX)) < 0)
199 syslog( LOG_ERR, "stickydirmode: chmod %s: %m", name );
200 return(AFPERR_ACCESS);
205 syslog( LOG_INFO, "stickydirmode: chmod \"%s\": %m", name );
212 if ( retval=chmod( name, DIRBITS | mode ) < 0 )
213 syslog( LOG_ERR, "stickydirmode: chmod \"%s\": %m", name );
217 int setdeskmode( mode )
220 char wd[ MAXPATHLEN + 1];
222 char modbuf[ 12 + 1], *m;
223 struct dirent *deskp, *subp;
226 if ( getcwd( wd , MAXPATHLEN) == NULL ) {
229 if ( chdir( ".AppleDesktop" ) < 0 ) {
232 if (( desk = opendir( "." )) == NULL ) {
233 if ( chdir( wd ) < 0 ) {
234 syslog( LOG_ERR, "setdeskmode: chdir %s: %m", wd );
238 for ( deskp = readdir( desk ); deskp != NULL; deskp = readdir( desk )) {
239 if ( strcmp( deskp->d_name, "." ) == 0 ||
240 strcmp( deskp->d_name, ".." ) == 0 || strlen( deskp->d_name ) > 2 ) {
243 strcpy( modbuf, deskp->d_name );
244 strcat( modbuf, "/" );
245 m = strchr( modbuf, '\0' );
246 if (( sub = opendir( deskp->d_name )) == NULL ) {
249 for ( subp = readdir( sub ); subp != NULL; subp = readdir( sub )) {
250 if ( strcmp( subp->d_name, "." ) == 0 ||
251 strcmp( subp->d_name, ".." ) == 0 ) {
255 strcat( modbuf, subp->d_name );
256 /* XXX: need to preserve special modes */
257 if (stat(modbuf, &st) < 0) {
258 syslog( LOG_ERR, "setdeskmode: stat %s: %m", modbuf );
262 if (S_ISDIR(st.st_mode)) {
263 if ( chmod( modbuf, DIRBITS | mode ) < 0 ) {
264 syslog( LOG_ERR, "setdeskmode: chmod %s: %m", modbuf );
266 } else if ( chmod( modbuf, mode ) < 0 ) {
267 syslog( LOG_ERR, "setdeskmode: chmod %s: %m", modbuf );
272 /* XXX: need to preserve special modes */
273 if ( chmod( deskp->d_name, DIRBITS | mode ) < 0 ) {
274 syslog( LOG_ERR, "setdeskmode: chmod %s: %m", deskp->d_name );
278 if ( chdir( wd ) < 0 ) {
279 syslog( LOG_ERR, "setdeskmode: chdir %s: %m", wd );
282 /* XXX: need to preserve special modes */
283 if ( chmod( ".AppleDesktop", DIRBITS | mode ) < 0 ) {
284 syslog( LOG_ERR, "setdeskmode: chmod .AppleDesktop: %m" );
289 int setdirmode( mode, noadouble )
293 char buf[ MAXPATHLEN + 1];
299 if (( dir = opendir( "." )) == NULL ) {
300 syslog( LOG_ERR, "setdirmode: opendir .: %m" );
304 for ( dirp = readdir( dir ); dirp != NULL; dirp = readdir( dir )) {
305 if ( *dirp->d_name == '.' ) {
308 if ( stat( dirp->d_name, &st ) < 0 ) {
309 syslog( LOG_ERR, "setdirmode: stat %s: %m", dirp->d_name );
313 if (S_ISREG(st.st_mode)) {
314 /* XXX: need to preserve special modes */
315 if (S_ISDIR(st.st_mode)) {
316 if (stickydirmode(dirp->d_name, DIRBITS | mode) < 0)
318 } else if (stickydirmode(dirp->d_name, mode) < 0)
323 if (( dir = opendir( ".AppleDouble" )) == NULL ) {
325 goto setdirmode_noadouble;
326 syslog( LOG_ERR, "setdirmode: opendir .AppleDouble: %m" );
329 strcpy( buf, ".AppleDouble" );
331 m = strchr( buf, '\0' );
332 for ( dirp = readdir( dir ); dirp != NULL; dirp = readdir( dir )) {
333 if ( strcmp( dirp->d_name, "." ) == 0 ||
334 strcmp( dirp->d_name, ".." ) == 0 ) {
338 strcat( buf, dirp->d_name );
340 if ( stat( buf, &st ) < 0 ) {
341 syslog( LOG_ERR, "setdirmode: stat %s: %m", buf );
345 if (S_ISDIR(st.st_mode)) {
346 stickydirmode( buf, DIRBITS | mode );
348 stickydirmode( buf, mode );
352 /* XXX: use special bits to tag directory permissions */
354 /* XXX: need to preserve special modes */
355 if ( stickydirmode(".AppleDouble", DIRBITS | mode) < 0 )
358 setdirmode_noadouble:
359 /* XXX: need to preserve special modes */
360 if ( stickydirmode(".", DIRBITS | mode) < 0 )
365 int setdeskowner( uid, gid )
369 char wd[ MAXPATHLEN + 1];
370 char modbuf[12 + 1], *m;
371 struct dirent *deskp, *subp;
374 if ( getcwd( wd, MAXPATHLEN ) == NULL ) {
377 if ( chdir( ".AppleDesktop" ) < 0 ) {
380 if (( desk = opendir( "." )) == NULL ) {
381 if ( chdir( wd ) < 0 ) {
382 syslog( LOG_ERR, "setdeskowner: chdir %s: %m", wd );
386 for ( deskp = readdir( desk ); deskp != NULL; deskp = readdir( desk )) {
387 if ( strcmp( deskp->d_name, "." ) == 0 ||
388 strcmp( deskp->d_name, ".." ) == 0 ||
389 strlen( deskp->d_name ) > 2 ) {
392 strcpy( modbuf, deskp->d_name );
393 strcat( modbuf, "/" );
394 m = strchr( modbuf, '\0' );
395 if (( sub = opendir( deskp->d_name )) == NULL ) {
398 for ( subp = readdir( sub ); subp != NULL; subp = readdir( sub )) {
399 if ( strcmp( subp->d_name, "." ) == 0 ||
400 strcmp( subp->d_name, ".." ) == 0 ) {
404 strcat( modbuf, subp->d_name );
405 /* XXX: add special any uid, ignore group bits */
406 if ( chown( modbuf, uid, gid ) < 0 ) {
407 syslog( LOG_ERR, "setdeskown: chown %s: %m", modbuf );
411 /* XXX: add special any uid, ignore group bits */
412 if ( chown( deskp->d_name, uid, gid ) < 0 ) {
413 syslog( LOG_ERR, "setdeskowner: chown %s: %m", deskp->d_name );
417 if ( chdir( wd ) < 0 ) {
418 syslog( LOG_ERR, "setdeskowner: chdir %s: %m", wd );
421 if ( chown( ".AppleDesktop", uid, gid ) < 0 ) {
422 syslog( LOG_ERR, "setdeskowner: chown .AppleDesktop: %m" );
428 /* uid/gid == 0 need to be handled as special cases. they really mean
429 * that user/group should inherit from other, but that doesn't fit
430 * into the unix permission scheme. we can get around this by
431 * co-opting some bits. */
432 int setdirowner( uid, gid, noadouble )
437 char buf[ MAXPATHLEN + 1];
443 if (( dir = opendir( "." )) == NULL ) {
446 for ( dirp = readdir( dir ); dirp != NULL; dirp = readdir( dir )) {
447 if ( *dirp->d_name == '.' ) {
450 if ( stat( dirp->d_name, &st ) < 0 ) {
451 syslog( LOG_ERR, "setdirowner: stat %s: %m", dirp->d_name );
454 if (( st.st_mode & S_IFMT ) == S_IFREG ) {
455 if ( chown( dirp->d_name, uid, gid ) < 0 ) {
456 syslog( LOG_ERR, "setdirowner: chown %s: %m", dirp->d_name );
461 if (( dir = opendir( ".AppleDouble" )) == NULL ) {
463 goto setdirowner_noadouble;
466 strcpy( buf, ".AppleDouble" );
468 m = strchr( buf, '\0' );
469 for ( dirp = readdir( dir ); dirp != NULL; dirp = readdir( dir )) {
470 if ( strcmp( dirp->d_name, "." ) == 0 ||
471 strcmp( dirp->d_name, ".." ) == 0 ) {
475 strcat( buf, dirp->d_name );
476 if ( chown( buf, uid, gid ) < 0 ) {
477 syslog( LOG_ERR, "setdirowner: chown %d/%d %s: %m",
484 * We cheat: we know that chown doesn't do anything.
486 if ( stat( ".AppleDouble", &st ) < 0 ) {
487 syslog( LOG_ERR, "setdirowner: stat .AppleDouble: %m" );
490 if ( gid && gid != st.st_gid && chown( ".AppleDouble", uid, gid ) < 0 ) {
491 syslog( LOG_ERR, "setdirowner: chown %d/%d .AppleDouble: %m",
495 setdirowner_noadouble:
496 if ( stat( ".", &st ) < 0 ) {
499 if ( gid && gid != st.st_gid && chown( ".", uid, gid ) < 0 ) {
500 syslog( LOG_ERR, "setdirowner: chown %d/%d .: %m",