2 Unix SMB/CIFS implementation.
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Jeremy Allison 1998-2005
6 Copyright (C) Timur Bakeyev 2005
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #ifdef HAVE_SYS_PRCTL_H
26 #include <sys/prctl.h>
30 The idea is that this file will eventually have wrappers around all
31 important system calls in samba. The aims are:
33 - to enable easier porting by putting OS dependent stuff in here
35 - to allow for hooks into other "pseudo-filesystems"
37 - to allow easier integration of things like the japanese extensions
39 - to support the philosophy of Samba to expose the features of
40 the OS within the SMB model. In general whatever file/printer/variable
41 expansions/etc make sense to the OS should be acceptable to Samba.
46 /*******************************************************************
47 A wrapper for memalign
48 ********************************************************************/
50 void *sys_memalign( size_t align, size_t size )
52 #if defined(HAVE_POSIX_MEMALIGN)
54 int ret = posix_memalign( &p, align, size );
59 #elif defined(HAVE_MEMALIGN)
60 return memalign( align, size );
62 /* On *BSD systems memaligns doesn't exist, but memory will
63 * be aligned on allocations of > pagesize. */
64 #if defined(SYSCONF_SC_PAGESIZE)
65 size_t pagesize = (size_t)sysconf(_SC_PAGESIZE);
66 #elif defined(HAVE_GETPAGESIZE)
67 size_t pagesize = (size_t)getpagesize();
69 size_t pagesize = (size_t)-1;
71 if (pagesize == (size_t)-1) {
72 DEBUG(0,("memalign functionalaity not available on this platform!\n"));
75 if (size < pagesize) {
78 return SMB_MALLOC(size);
82 /*******************************************************************
83 A wrapper for usleep in case we don't have one.
84 ********************************************************************/
86 int sys_usleep(long usecs)
93 * We need this braindamage as the glibc usleep
94 * is not SPEC1170 complient... grumble... JRA.
97 if(usecs < 0 || usecs > 1000000) {
105 #else /* HAVE_USLEEP */
107 * Fake it with select...
110 tval.tv_usec = usecs/1000;
111 select(0,NULL,NULL,NULL,&tval);
113 #endif /* HAVE_USLEEP */
116 /*******************************************************************
117 A read wrapper that will deal with EINTR.
118 ********************************************************************/
120 ssize_t sys_read(int fd, void *buf, size_t count)
125 ret = read(fd, buf, count);
126 } while (ret == -1 && errno == EINTR);
130 /*******************************************************************
131 A write wrapper that will deal with EINTR.
132 ********************************************************************/
134 ssize_t sys_write(int fd, const void *buf, size_t count)
139 ret = write(fd, buf, count);
140 } while (ret == -1 && errno == EINTR);
144 /*******************************************************************
145 A pread wrapper that will deal with EINTR and 64-bit file offsets.
146 ********************************************************************/
148 #if defined(HAVE_PREAD) || defined(HAVE_PREAD64)
149 ssize_t sys_pread(int fd, void *buf, size_t count, SMB_OFF_T off)
154 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_PREAD64)
155 ret = pread64(fd, buf, count, off);
157 ret = pread(fd, buf, count, off);
159 } while (ret == -1 && errno == EINTR);
164 /*******************************************************************
165 A write wrapper that will deal with EINTR and 64-bit file offsets.
166 ********************************************************************/
168 #if defined(HAVE_PWRITE) || defined(HAVE_PWRITE64)
169 ssize_t sys_pwrite(int fd, const void *buf, size_t count, SMB_OFF_T off)
174 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_PWRITE64)
175 ret = pwrite64(fd, buf, count, off);
177 ret = pwrite(fd, buf, count, off);
179 } while (ret == -1 && errno == EINTR);
184 /*******************************************************************
185 A send wrapper that will deal with EINTR.
186 ********************************************************************/
188 ssize_t sys_send(int s, const void *msg, size_t len, int flags)
193 ret = send(s, msg, len, flags);
194 } while (ret == -1 && errno == EINTR);
198 /*******************************************************************
199 A sendto wrapper that will deal with EINTR.
200 ********************************************************************/
202 ssize_t sys_sendto(int s, const void *msg, size_t len, int flags, const struct sockaddr *to, socklen_t tolen)
207 ret = sendto(s, msg, len, flags, to, tolen);
208 } while (ret == -1 && errno == EINTR);
212 /*******************************************************************
213 A recv wrapper that will deal with EINTR.
214 ********************************************************************/
216 ssize_t sys_recv(int fd, void *buf, size_t count, int flags)
221 ret = recv(fd, buf, count, flags);
222 } while (ret == -1 && errno == EINTR);
226 /*******************************************************************
227 A recvfrom wrapper that will deal with EINTR.
228 ********************************************************************/
230 ssize_t sys_recvfrom(int s, void *buf, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen)
235 ret = recvfrom(s, buf, len, flags, from, fromlen);
236 } while (ret == -1 && errno == EINTR);
240 /*******************************************************************
241 A fcntl wrapper that will deal with EINTR.
242 ********************************************************************/
244 int sys_fcntl_ptr(int fd, int cmd, void *arg)
249 ret = fcntl(fd, cmd, arg);
250 } while (ret == -1 && errno == EINTR);
254 /*******************************************************************
255 A fcntl wrapper that will deal with EINTR.
256 ********************************************************************/
258 int sys_fcntl_long(int fd, int cmd, long arg)
263 ret = fcntl(fd, cmd, arg);
264 } while (ret == -1 && errno == EINTR);
268 /*******************************************************************
269 A stat() wrapper that will deal with 64 bit filesizes.
270 ********************************************************************/
272 int sys_stat(const char *fname,SMB_STRUCT_STAT *sbuf)
275 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_STAT64)
276 ret = stat64(fname, sbuf);
278 ret = stat(fname, sbuf);
280 /* we always want directories to appear zero size */
281 if (ret == 0 && S_ISDIR(sbuf->st_mode)) sbuf->st_size = 0;
285 /*******************************************************************
286 An fstat() wrapper that will deal with 64 bit filesizes.
287 ********************************************************************/
289 int sys_fstat(int fd,SMB_STRUCT_STAT *sbuf)
292 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_FSTAT64)
293 ret = fstat64(fd, sbuf);
295 ret = fstat(fd, sbuf);
297 /* we always want directories to appear zero size */
298 if (ret == 0 && S_ISDIR(sbuf->st_mode)) sbuf->st_size = 0;
302 /*******************************************************************
303 An lstat() wrapper that will deal with 64 bit filesizes.
304 ********************************************************************/
306 int sys_lstat(const char *fname,SMB_STRUCT_STAT *sbuf)
309 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_LSTAT64)
310 ret = lstat64(fname, sbuf);
312 ret = lstat(fname, sbuf);
314 /* we always want directories to appear zero size */
315 if (ret == 0 && S_ISDIR(sbuf->st_mode)) sbuf->st_size = 0;
319 /*******************************************************************
320 An ftruncate() wrapper that will deal with 64 bit filesizes.
321 ********************************************************************/
323 int sys_ftruncate(int fd, SMB_OFF_T offset)
325 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_FTRUNCATE64)
326 return ftruncate64(fd, offset);
328 return ftruncate(fd, offset);
332 /*******************************************************************
333 An lseek() wrapper that will deal with 64 bit filesizes.
334 ********************************************************************/
336 SMB_OFF_T sys_lseek(int fd, SMB_OFF_T offset, int whence)
338 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_LSEEK64)
339 return lseek64(fd, offset, whence);
341 return lseek(fd, offset, whence);
345 /*******************************************************************
346 An fseek() wrapper that will deal with 64 bit filesizes.
347 ********************************************************************/
349 int sys_fseek(FILE *fp, SMB_OFF_T offset, int whence)
351 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(LARGE_SMB_OFF_T) && defined(HAVE_FSEEK64)
352 return fseek64(fp, offset, whence);
353 #elif defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(LARGE_SMB_OFF_T) && defined(HAVE_FSEEKO64)
354 return fseeko64(fp, offset, whence);
356 return fseek(fp, offset, whence);
360 /*******************************************************************
361 An ftell() wrapper that will deal with 64 bit filesizes.
362 ********************************************************************/
364 SMB_OFF_T sys_ftell(FILE *fp)
366 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(LARGE_SMB_OFF_T) && defined(HAVE_FTELL64)
367 return (SMB_OFF_T)ftell64(fp);
368 #elif defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(LARGE_SMB_OFF_T) && defined(HAVE_FTELLO64)
369 return (SMB_OFF_T)ftello64(fp);
371 return (SMB_OFF_T)ftell(fp);
375 /*******************************************************************
376 A creat() wrapper that will deal with 64 bit filesizes.
377 ********************************************************************/
379 int sys_creat(const char *path, mode_t mode)
381 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_CREAT64)
382 return creat64(path, mode);
385 * If creat64 isn't defined then ensure we call a potential open64.
388 return sys_open(path, O_WRONLY | O_CREAT | O_TRUNC, mode);
392 /*******************************************************************
393 An open() wrapper that will deal with 64 bit filesizes.
394 ********************************************************************/
396 int sys_open(const char *path, int oflag, mode_t mode)
398 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OPEN64)
399 return open64(path, oflag, mode);
401 return open(path, oflag, mode);
405 /*******************************************************************
406 An fopen() wrapper that will deal with 64 bit filesizes.
407 ********************************************************************/
409 FILE *sys_fopen(const char *path, const char *type)
411 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_FOPEN64)
412 return fopen64(path, type);
414 return fopen(path, type);
419 /*******************************************************************
420 A flock() wrapper that will perform the kernel flock.
421 ********************************************************************/
423 void kernel_flock(int fd, uint32 share_mode)
425 #if HAVE_KERNEL_SHARE_MODES
427 if (share_mode == FILE_SHARE_WRITE) {
428 kernel_mode = LOCK_MAND|LOCK_WRITE;
429 } else if (share_mode == FILE_SHARE_READ) {
430 kernel_mode = LOCK_MAND|LOCK_READ;
431 } else if (share_mode == FILE_SHARE_NONE) {
432 kernel_mode = LOCK_MAND;
435 flock(fd, kernel_mode);
443 /*******************************************************************
444 An opendir wrapper that will deal with 64 bit filesizes.
445 ********************************************************************/
447 SMB_STRUCT_DIR *sys_opendir(const char *name)
449 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OPENDIR64)
450 return opendir64(name);
452 return opendir(name);
456 /*******************************************************************
457 A readdir wrapper that will deal with 64 bit filesizes.
458 ********************************************************************/
460 SMB_STRUCT_DIRENT *sys_readdir(SMB_STRUCT_DIR *dirp)
462 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_READDIR64)
463 return readdir64(dirp);
465 return readdir(dirp);
469 /*******************************************************************
470 A seekdir wrapper that will deal with 64 bit filesizes.
471 ********************************************************************/
473 void sys_seekdir(SMB_STRUCT_DIR *dirp, long offset)
475 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_SEEKDIR64)
476 seekdir64(dirp, offset);
478 seekdir(dirp, offset);
482 /*******************************************************************
483 A telldir wrapper that will deal with 64 bit filesizes.
484 ********************************************************************/
486 long sys_telldir(SMB_STRUCT_DIR *dirp)
488 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_TELLDIR64)
489 return (long)telldir64(dirp);
491 return (long)telldir(dirp);
495 /*******************************************************************
496 A rewinddir wrapper that will deal with 64 bit filesizes.
497 ********************************************************************/
499 void sys_rewinddir(SMB_STRUCT_DIR *dirp)
501 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_REWINDDIR64)
508 /*******************************************************************
509 A close wrapper that will deal with 64 bit filesizes.
510 ********************************************************************/
512 int sys_closedir(SMB_STRUCT_DIR *dirp)
514 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_CLOSEDIR64)
515 return closedir64(dirp);
517 return closedir(dirp);
521 /*******************************************************************
522 An mknod() wrapper that will deal with 64 bit filesizes.
523 ********************************************************************/
525 int sys_mknod(const char *path, mode_t mode, SMB_DEV_T dev)
527 #if defined(HAVE_MKNOD) || defined(HAVE_MKNOD64)
528 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_MKNOD64) && defined(HAVE_DEV64_T)
529 return mknod64(path, mode, dev);
531 return mknod(path, mode, dev);
534 /* No mknod system call. */
540 /*******************************************************************
541 Wrapper for realpath.
542 ********************************************************************/
544 char *sys_realpath(const char *path, char *resolved_path)
546 #if defined(HAVE_REALPATH)
547 return realpath(path, resolved_path);
549 /* As realpath is not a system call we can't return ENOSYS. */
555 /*******************************************************************
556 The wait() calls vary between systems
557 ********************************************************************/
559 int sys_waitpid(pid_t pid,int *status,int options)
562 return waitpid(pid,status,options);
563 #else /* HAVE_WAITPID */
564 return wait4(pid, status, options, NULL);
565 #endif /* HAVE_WAITPID */
568 /*******************************************************************
569 System wrapper for getwd
570 ********************************************************************/
572 char *sys_getwd(char *s)
576 wd = (char *)getcwd(s, sizeof (pstring));
578 wd = (char *)getwd(s);
583 /*******************************************************************
584 system wrapper for symlink
585 ********************************************************************/
587 int sys_symlink(const char *oldpath, const char *newpath)
593 return symlink(oldpath, newpath);
597 /*******************************************************************
598 system wrapper for readlink
599 ********************************************************************/
601 int sys_readlink(const char *path, char *buf, size_t bufsiz)
603 #ifndef HAVE_READLINK
607 return readlink(path, buf, bufsiz);
611 /*******************************************************************
612 system wrapper for link
613 ********************************************************************/
615 int sys_link(const char *oldpath, const char *newpath)
621 return link(oldpath, newpath);
625 /*******************************************************************
626 chown isn't used much but OS/2 doesn't have it
627 ********************************************************************/
629 int sys_chown(const char *fname,uid_t uid,gid_t gid)
634 DEBUG(1,("WARNING: no chown!\n"));
640 return(chown(fname,uid,gid));
644 /*******************************************************************
646 ********************************************************************/
648 int sys_lchown(const char *fname,uid_t uid,gid_t gid)
653 DEBUG(1,("WARNING: no lchown!\n"));
659 return(lchown(fname,uid,gid));
663 /*******************************************************************
664 os/2 also doesn't have chroot
665 ********************************************************************/
666 int sys_chroot(const char *dname)
671 DEBUG(1,("WARNING: no chroot!\n"));
677 return(chroot(dname));
681 /**************************************************************************
682 A wrapper for gethostbyname() that tries avoids looking up hostnames
683 in the root domain, which can cause dial-on-demand links to come up for no
685 ****************************************************************************/
687 struct hostent *sys_gethostbyname(const char *name)
689 #ifdef REDUCE_ROOT_DNS_LOOKUPS
690 char query[256], hostname[256];
693 /* Does this name have any dots in it? If so, make no change */
695 if (strchr_m(name, '.'))
696 return(gethostbyname(name));
698 /* Get my hostname, which should have domain name
699 attached. If not, just do the gethostname on the
703 gethostname(hostname, sizeof(hostname) - 1);
704 hostname[sizeof(hostname) - 1] = 0;
705 if ((domain = strchr_m(hostname, '.')) == NULL)
706 return(gethostbyname(name));
708 /* Attach domain name to query and do modified query.
709 If names too large, just do gethostname on the
713 if((strlen(name) + strlen(domain)) >= sizeof(query))
714 return(gethostbyname(name));
716 slprintf(query, sizeof(query)-1, "%s%s", name, domain);
717 return(gethostbyname(query));
718 #else /* REDUCE_ROOT_DNS_LOOKUPS */
719 return(gethostbyname(name));
720 #endif /* REDUCE_ROOT_DNS_LOOKUPS */
724 #if defined(HAVE_POSIX_CAPABILITIES)
726 #ifdef HAVE_SYS_CAPABILITY_H
728 #if defined(BROKEN_REDHAT_7_SYSTEM_HEADERS) && !defined(_I386_STATFS_H) && !defined(_PPC_STATFS_H)
729 #define _I386_STATFS_H
730 #define _PPC_STATFS_H
731 #define BROKEN_REDHAT_7_STATFS_WORKAROUND
734 #include <sys/capability.h>
736 #ifdef BROKEN_REDHAT_7_STATFS_WORKAROUND
737 #undef _I386_STATFS_H
739 #undef BROKEN_REDHAT_7_STATFS_WORKAROUND
742 #endif /* HAVE_SYS_CAPABILITY_H */
744 /**************************************************************************
745 Try and abstract process capabilities (for systems that have them).
746 ****************************************************************************/
748 /* Set the POSIX capabilities needed for the given purpose into the effective
749 * capability set of the current process. Make sure they are always removed
750 * from the inheritable set, because there is no circumstance in which our
751 * children should inherit our elevated privileges.
753 static BOOL set_process_capability(enum smbd_capability capability,
756 cap_value_t cap_vals[2] = {0};
757 int num_cap_vals = 0;
761 #if defined(HAVE_PRCTL) && defined(PR_GET_KEEPCAPS) && defined(PR_SET_KEEPCAPS)
762 /* On Linux, make sure that any capabilities we grab are sticky
763 * across UID changes. We expect that this would allow us to keep both
764 * the effective and permitted capability sets, but as of circa 2.6.16,
765 * only the permitted set is kept. It is a bug (which we work around)
766 * that the effective set is lost, but we still require the effective
769 if (!prctl(PR_GET_KEEPCAPS)) {
770 prctl(PR_SET_KEEPCAPS, 1);
774 cap = cap_get_proc();
776 DEBUG(0,("set_process_capability: cap_get_proc failed: %s\n",
781 switch (capability) {
782 case KERNEL_OPLOCK_CAPABILITY:
783 #ifdef CAP_NETWORK_MGT
784 /* IRIX has CAP_NETWORK_MGT for oplocks. */
785 cap_vals[num_cap_vals++] = CAP_NETWORK_MGT;
788 case DMAPI_ACCESS_CAPABILITY:
789 #ifdef CAP_DEVICE_MGT
790 /* IRIX has CAP_DEVICE_MGT for DMAPI access. */
791 cap_vals[num_cap_vals++] = CAP_DEVICE_MGT;
793 /* Linux has CAP_MKNOD for DMAPI access. */
794 cap_vals[num_cap_vals++] = CAP_MKNOD;
799 SMB_ASSERT(num_cap_vals <= ARRAY_SIZE(cap_vals));
801 if (num_cap_vals == 0) {
806 cap_set_flag(cap, CAP_EFFECTIVE, num_cap_vals, cap_vals,
807 enable ? CAP_SET : CAP_CLEAR);
809 /* We never want to pass capabilities down to our children, so make
810 * sure they are not inherited.
812 cap_set_flag(cap, CAP_INHERITABLE, num_cap_vals, cap_vals, CAP_CLEAR);
814 if (cap_set_proc(cap) == -1) {
815 DEBUG(0, ("set_process_capability: cap_set_proc failed: %s\n",
825 #endif /* HAVE_POSIX_CAPABILITIES */
827 /****************************************************************************
828 Gain the oplock capability from the kernel if possible.
829 ****************************************************************************/
831 void set_effective_capability(enum smbd_capability capability)
833 #if defined(HAVE_POSIX_CAPABILITIES)
834 set_process_capability(capability, True);
835 #endif /* HAVE_POSIX_CAPABILITIES */
838 void drop_effective_capability(enum smbd_capability capability)
840 #if defined(HAVE_POSIX_CAPABILITIES)
841 set_process_capability(capability, False);
842 #endif /* HAVE_POSIX_CAPABILITIES */
845 /**************************************************************************
846 Wrapper for random().
847 ****************************************************************************/
849 long sys_random(void)
851 #if defined(HAVE_RANDOM)
852 return (long)random();
853 #elif defined(HAVE_RAND)
856 DEBUG(0,("Error - no random function available !\n"));
861 /**************************************************************************
862 Wrapper for srandom().
863 ****************************************************************************/
865 void sys_srandom(unsigned int seed)
867 #if defined(HAVE_SRANDOM)
869 #elif defined(HAVE_SRAND)
872 DEBUG(0,("Error - no srandom function available !\n"));
877 /**************************************************************************
878 Returns equivalent to NGROUPS_MAX - using sysconf if needed.
879 ****************************************************************************/
883 #if defined(SYSCONF_SC_NGROUPS_MAX)
884 int ret = sysconf(_SC_NGROUPS_MAX);
885 return (ret == -1) ? NGROUPS_MAX : ret;
891 /**************************************************************************
892 Wrapper for getgroups. Deals with broken (int) case.
893 ****************************************************************************/
895 int sys_getgroups(int setlen, gid_t *gidset)
897 #if !defined(HAVE_BROKEN_GETGROUPS)
898 return getgroups(setlen, gidset);
906 return getgroups(setlen, &gid);
910 * Broken case. We need to allocate a
911 * GID_T array of size setlen.
920 setlen = groups_max();
922 if((group_list = (GID_T *)malloc(setlen * sizeof(GID_T))) == NULL) {
923 DEBUG(0,("sys_getgroups: Malloc fail.\n"));
927 if((ngroups = getgroups(setlen, group_list)) < 0) {
928 int saved_errno = errno;
929 SAFE_FREE(group_list);
934 for(i = 0; i < ngroups; i++)
935 gidset[i] = (gid_t)group_list[i];
937 SAFE_FREE(group_list);
939 #endif /* HAVE_BROKEN_GETGROUPS */
943 /**************************************************************************
944 Wrapper for setgroups. Deals with broken (int) case. Automatically used
945 if we have broken getgroups.
946 ****************************************************************************/
948 int sys_setgroups(int setlen, gid_t *gidset)
950 #if !defined(HAVE_SETGROUPS)
953 #endif /* HAVE_SETGROUPS */
955 #if !defined(HAVE_BROKEN_GETGROUPS)
956 return setgroups(setlen, gidset);
965 if (setlen < 0 || setlen > groups_max()) {
971 * Broken case. We need to allocate a
972 * GID_T array of size setlen.
975 if((group_list = (GID_T *)malloc(setlen * sizeof(GID_T))) == NULL) {
976 DEBUG(0,("sys_setgroups: Malloc fail.\n"));
980 for(i = 0; i < setlen; i++)
981 group_list[i] = (GID_T) gidset[i];
983 if(setgroups(setlen, group_list) != 0) {
984 int saved_errno = errno;
985 SAFE_FREE(group_list);
990 SAFE_FREE(group_list);
992 #endif /* HAVE_BROKEN_GETGROUPS */
995 /**************************************************************************
996 Wrappers for setpwent(), getpwent() and endpwent()
997 ****************************************************************************/
999 void sys_setpwent(void)
1004 struct passwd *sys_getpwent(void)
1009 void sys_endpwent(void)
1014 /**************************************************************************
1015 Wrappers for getpwnam(), getpwuid(), getgrnam(), getgrgid()
1016 ****************************************************************************/
1018 #ifdef ENABLE_BUILD_FARM_HACKS
1021 * In the build farm we want to be able to join machines to the domain. As we
1022 * don't have root access, we need to bypass direct access to /etc/passwd
1023 * after a user has been created via samr. Fake those users.
1026 static struct passwd *fake_pwd;
1027 static int num_fake_pwd;
1029 struct passwd *sys_getpwnam(const char *name)
1033 for (i=0; i<num_fake_pwd; i++) {
1034 if (strcmp(fake_pwd[i].pw_name, name) == 0) {
1035 DEBUG(10, ("Returning fake user %s\n", name));
1036 return &fake_pwd[i];
1040 return getpwnam(name);
1043 struct passwd *sys_getpwuid(uid_t uid)
1047 for (i=0; i<num_fake_pwd; i++) {
1048 if (fake_pwd[i].pw_uid == uid) {
1049 DEBUG(10, ("Returning fake user %s\n",
1050 fake_pwd[i].pw_name));
1051 return &fake_pwd[i];
1055 return getpwuid(uid);
1058 void faked_create_user(const char *name)
1062 struct passwd new_pwd;
1064 for (i=0; i<10; i++) {
1065 generate_random_buffer((unsigned char *)&uid,
1067 if (getpwuid(uid) == NULL) {
1073 /* Weird. No free uid found... */
1077 new_pwd.pw_name = SMB_STRDUP(name);
1078 new_pwd.pw_passwd = SMB_STRDUP("x");
1079 new_pwd.pw_uid = uid;
1080 new_pwd.pw_gid = 100;
1081 new_pwd.pw_gecos = SMB_STRDUP("faked user");
1082 new_pwd.pw_dir = SMB_STRDUP("/nodir");
1083 new_pwd.pw_shell = SMB_STRDUP("/bin/false");
1085 ADD_TO_ARRAY(NULL, struct passwd, new_pwd, &fake_pwd,
1088 DEBUG(10, ("Added fake user %s, have %d fake users\n",
1089 name, num_fake_pwd));
1094 struct passwd *sys_getpwnam(const char *name)
1096 return getpwnam(name);
1099 struct passwd *sys_getpwuid(uid_t uid)
1101 return getpwuid(uid);
1106 struct group *sys_getgrnam(const char *name)
1108 return getgrnam(name);
1111 struct group *sys_getgrgid(gid_t gid)
1113 return getgrgid(gid);
1116 #if 0 /* NOT CURRENTLY USED - JRA */
1117 /**************************************************************************
1118 The following are the UNICODE versions of *all* system interface functions
1119 called within Samba. Ok, ok, the exceptions are the gethostbyXX calls,
1120 which currently are left as ascii as they are not used other than in name
1122 ****************************************************************************/
1124 /**************************************************************************
1125 Wide stat. Just narrow and call sys_xxx.
1126 ****************************************************************************/
1128 int wsys_stat(const smb_ucs2_t *wfname,SMB_STRUCT_STAT *sbuf)
1131 return sys_stat(unicode_to_unix(fname,wfname,sizeof(fname)), sbuf);
1134 /**************************************************************************
1135 Wide lstat. Just narrow and call sys_xxx.
1136 ****************************************************************************/
1138 int wsys_lstat(const smb_ucs2_t *wfname,SMB_STRUCT_STAT *sbuf)
1141 return sys_lstat(unicode_to_unix(fname,wfname,sizeof(fname)), sbuf);
1144 /**************************************************************************
1145 Wide creat. Just narrow and call sys_xxx.
1146 ****************************************************************************/
1148 int wsys_creat(const smb_ucs2_t *wfname, mode_t mode)
1151 return sys_creat(unicode_to_unix(fname,wfname,sizeof(fname)), mode);
1154 /**************************************************************************
1155 Wide open. Just narrow and call sys_xxx.
1156 ****************************************************************************/
1158 int wsys_open(const smb_ucs2_t *wfname, int oflag, mode_t mode)
1161 return sys_open(unicode_to_unix(fname,wfname,sizeof(fname)), oflag, mode);
1164 /**************************************************************************
1165 Wide fopen. Just narrow and call sys_xxx.
1166 ****************************************************************************/
1168 FILE *wsys_fopen(const smb_ucs2_t *wfname, const char *type)
1171 return sys_fopen(unicode_to_unix(fname,wfname,sizeof(fname)), type);
1174 /**************************************************************************
1175 Wide opendir. Just narrow and call sys_xxx.
1176 ****************************************************************************/
1178 SMB_STRUCT_DIR *wsys_opendir(const smb_ucs2_t *wfname)
1181 return opendir(unicode_to_unix(fname,wfname,sizeof(fname)));
1184 /**************************************************************************
1185 Wide readdir. Return a structure pointer containing a wide filename.
1186 ****************************************************************************/
1188 SMB_STRUCT_WDIRENT *wsys_readdir(SMB_STRUCT_DIR *dirp)
1190 static SMB_STRUCT_WDIRENT retval;
1191 SMB_STRUCT_DIRENT *dirval = sys_readdir(dirp);
1197 * The only POSIX defined member of this struct is d_name.
1200 unix_to_unicode(retval.d_name,dirval->d_name,sizeof(retval.d_name));
1205 /**************************************************************************
1206 Wide getwd. Call sys_xxx and widen. Assumes s points to a wpstring.
1207 ****************************************************************************/
1209 smb_ucs2_t *wsys_getwd(smb_ucs2_t *s)
1212 char *p = sys_getwd(fname);
1217 return unix_to_unicode(s, p, sizeof(wpstring));
1220 /**************************************************************************
1221 Wide chown. Just narrow and call sys_xxx.
1222 ****************************************************************************/
1224 int wsys_chown(const smb_ucs2_t *wfname, uid_t uid, gid_t gid)
1227 return chown(unicode_to_unix(fname,wfname,sizeof(fname)), uid, gid);
1230 /**************************************************************************
1231 Wide chroot. Just narrow and call sys_xxx.
1232 ****************************************************************************/
1234 int wsys_chroot(const smb_ucs2_t *wfname)
1237 return chroot(unicode_to_unix(fname,wfname,sizeof(fname)));
1240 /**************************************************************************
1241 Wide getpwnam. Return a structure pointer containing wide names.
1242 ****************************************************************************/
1244 SMB_STRUCT_WPASSWD *wsys_getpwnam(const smb_ucs2_t *wname)
1246 static SMB_STRUCT_WPASSWD retval;
1248 struct passwd *pwret = sys_getpwnam(unicode_to_unix(name,wname,sizeof(name)));
1253 unix_to_unicode(retval.pw_name, pwret->pw_name, sizeof(retval.pw_name));
1254 retval.pw_passwd = pwret->pw_passwd;
1255 retval.pw_uid = pwret->pw_uid;
1256 retval.pw_gid = pwret->pw_gid;
1257 unix_to_unicode(retval.pw_gecos, pwret->pw_gecos, sizeof(retval.pw_gecos));
1258 unix_to_unicode(retval.pw_dir, pwret->pw_dir, sizeof(retval.pw_dir));
1259 unix_to_unicode(retval.pw_shell, pwret->pw_shell, sizeof(retval.pw_shell));
1264 /**************************************************************************
1265 Wide getpwuid. Return a structure pointer containing wide names.
1266 ****************************************************************************/
1268 SMB_STRUCT_WPASSWD *wsys_getpwuid(uid_t uid)
1270 static SMB_STRUCT_WPASSWD retval;
1271 struct passwd *pwret = sys_getpwuid(uid);
1276 unix_to_unicode(retval.pw_name, pwret->pw_name, sizeof(retval.pw_name));
1277 retval.pw_passwd = pwret->pw_passwd;
1278 retval.pw_uid = pwret->pw_uid;
1279 retval.pw_gid = pwret->pw_gid;
1280 unix_to_unicode(retval.pw_gecos, pwret->pw_gecos, sizeof(retval.pw_gecos));
1281 unix_to_unicode(retval.pw_dir, pwret->pw_dir, sizeof(retval.pw_dir));
1282 unix_to_unicode(retval.pw_shell, pwret->pw_shell, sizeof(retval.pw_shell));
1286 #endif /* NOT CURRENTLY USED - JRA */
1288 /**************************************************************************
1289 Extract a command into an arg list. Uses a static pstring for storage.
1290 Caller frees returned arg list (which contains pointers into the static pstring).
1291 ****************************************************************************/
1293 static char **extract_args(const char *command)
1295 static pstring trunc_cmd;
1301 pstrcpy(trunc_cmd, command);
1303 if(!(ptr = strtok(trunc_cmd, " \t"))) {
1312 for( argcl = 1; ptr; ptr = strtok(NULL, " \t"))
1315 if((argl = (char **)SMB_MALLOC((argcl + 1) * sizeof(char *))) == NULL)
1319 * Now do the extraction.
1322 pstrcpy(trunc_cmd, command);
1324 ptr = strtok(trunc_cmd, " \t");
1328 while((ptr = strtok(NULL, " \t")) != NULL)
1335 /**************************************************************************
1336 Wrapper for fork. Ensures that mypid is reset. Used so we can write
1337 a sys_getpid() that only does a system call *once*.
1338 ****************************************************************************/
1340 static pid_t mypid = (pid_t)-1;
1342 pid_t sys_fork(void)
1344 pid_t forkret = fork();
1346 if (forkret == (pid_t)0) /* Child - reset mypid so sys_getpid does a system call. */
1352 /**************************************************************************
1353 Wrapper for getpid. Ensures we only do a system call *once*.
1354 ****************************************************************************/
1356 pid_t sys_getpid(void)
1358 if (mypid == (pid_t)-1)
1364 /**************************************************************************
1365 Wrapper for popen. Safer as it doesn't search a path.
1366 Modified from the glibc sources.
1367 modified by tridge to return a file descriptor. We must kick our FILE* habit
1368 ****************************************************************************/
1370 typedef struct _popen_list
1374 struct _popen_list *next;
1377 static popen_list *popen_chain;
1379 int sys_popen(const char *command)
1381 int parent_end, child_end;
1383 popen_list *entry = NULL;
1386 if (pipe(pipe_fds) < 0)
1389 parent_end = pipe_fds[0];
1390 child_end = pipe_fds[1];
1397 if((entry = SMB_MALLOC_P(popen_list)) == NULL)
1400 ZERO_STRUCTP(entry);
1403 * Extract the command and args into a NULL terminated array.
1406 if(!(argl = extract_args(command)))
1409 entry->child_pid = sys_fork();
1411 if (entry->child_pid == -1) {
1415 if (entry->child_pid == 0) {
1421 int child_std_end = STDOUT_FILENO;
1425 if (child_end != child_std_end) {
1426 dup2 (child_end, child_std_end);
1431 * POSIX.2: "popen() shall ensure that any streams from previous
1432 * popen() calls that remain open in the parent process are closed
1433 * in the new child process."
1436 for (p = popen_chain; p; p = p->next)
1439 execv(argl[0], argl);
1450 /* Link into popen_chain. */
1451 entry->next = popen_chain;
1452 popen_chain = entry;
1453 entry->fd = parent_end;
1466 /**************************************************************************
1467 Wrapper for pclose. Modified from the glibc sources.
1468 ****************************************************************************/
1470 int sys_pclose(int fd)
1473 popen_list **ptr = &popen_chain;
1474 popen_list *entry = NULL;
1478 /* Unlink from popen_chain. */
1479 for ( ; *ptr != NULL; ptr = &(*ptr)->next) {
1480 if ((*ptr)->fd == fd) {
1482 *ptr = (*ptr)->next;
1488 if (status < 0 || close(entry->fd) < 0)
1492 * As Samba is catching and eating child process
1493 * exits we don't really care about the child exit
1494 * code, a -1 with errno = ECHILD will do fine for us.
1498 wait_pid = sys_waitpid (entry->child_pid, &wstatus, 0);
1499 } while (wait_pid == -1 && errno == EINTR);
1508 /**************************************************************************
1509 Wrappers for dlopen, dlsym, dlclose.
1510 ****************************************************************************/
1512 void *sys_dlopen(const char *name, int flags)
1514 #if defined(HAVE_DLOPEN)
1515 return dlopen(name, flags);
1521 void *sys_dlsym(void *handle, const char *symbol)
1523 #if defined(HAVE_DLSYM)
1524 return dlsym(handle, symbol);
1530 int sys_dlclose (void *handle)
1532 #if defined(HAVE_DLCLOSE)
1533 return dlclose(handle);
1539 const char *sys_dlerror(void)
1541 #if defined(HAVE_DLERROR)
1548 int sys_dup2(int oldfd, int newfd)
1550 #if defined(HAVE_DUP2)
1551 return dup2(oldfd, newfd);
1558 /**************************************************************************
1559 Wrapper for Admin Logs.
1560 ****************************************************************************/
1562 void sys_adminlog(int priority, const char *format_str, ...)
1566 char *msgbuf = NULL;
1568 va_start( ap, format_str );
1569 ret = vasprintf( &msgbuf, format_str, ap );
1575 #if defined(HAVE_SYSLOG)
1576 syslog( priority, "%s", msgbuf );
1578 DEBUG(0,("%s", msgbuf ));
1583 /**************************************************************************
1584 Wrappers for extented attribute calls. Based on the Linux package with
1585 support for IRIX and (Net|Free)BSD also. Expand as other systems have them.
1586 ****************************************************************************/
1588 ssize_t sys_getxattr (const char *path, const char *name, void *value, size_t size)
1590 #if defined(HAVE_GETXATTR)
1591 #ifndef XATTR_ADD_OPT
1592 return getxattr(path, name, value, size);
1595 return getxattr(path, name, value, size, 0, options);
1597 #elif defined(HAVE_GETEA)
1598 return getea(path, name, value, size);
1599 #elif defined(HAVE_EXTATTR_GET_FILE)
1602 int attrnamespace = (strncmp(name, "system", 6) == 0) ?
1603 EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
1604 const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
1606 * The BSD implementation has a nasty habit of silently truncating
1607 * the returned value to the size of the buffer, so we have to check
1608 * that the buffer is large enough to fit the returned value.
1610 if((retval=extattr_get_file(path, attrnamespace, attrname, NULL, 0)) >= 0) {
1615 if((retval=extattr_get_file(path, attrnamespace, attrname, value, size)) >= 0)
1619 DEBUG(10,("sys_getxattr: extattr_get_file() failed with: %s\n", strerror(errno)));
1621 #elif defined(HAVE_ATTR_GET)
1622 int retval, flags = 0;
1623 int valuelength = (int)size;
1624 char *attrname = strchr(name,'.') + 1;
1626 if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
1628 retval = attr_get(path, attrname, (char *)value, &valuelength, flags);
1630 return retval ? retval : valuelength;
1637 ssize_t sys_lgetxattr (const char *path, const char *name, void *value, size_t size)
1639 #if defined(HAVE_LGETXATTR)
1640 return lgetxattr(path, name, value, size);
1641 #elif defined(HAVE_GETXATTR) && defined(XATTR_ADD_OPT)
1642 int options = XATTR_NOFOLLOW;
1643 return getxattr(path, name, value, size, 0, options);
1644 #elif defined(HAVE_LGETEA)
1645 return lgetea(path, name, value, size);
1646 #elif defined(HAVE_EXTATTR_GET_LINK)
1649 int attrnamespace = (strncmp(name, "system", 6) == 0) ?
1650 EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
1651 const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
1653 if((retval=extattr_get_link(path, attrnamespace, attrname, NULL, 0)) >= 0) {
1658 if((retval=extattr_get_link(path, attrnamespace, attrname, value, size)) >= 0)
1662 DEBUG(10,("sys_lgetxattr: extattr_get_link() failed with: %s\n", strerror(errno)));
1664 #elif defined(HAVE_ATTR_GET)
1665 int retval, flags = ATTR_DONTFOLLOW;
1666 int valuelength = (int)size;
1667 char *attrname = strchr(name,'.') + 1;
1669 if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
1671 retval = attr_get(path, attrname, (char *)value, &valuelength, flags);
1673 return retval ? retval : valuelength;
1680 ssize_t sys_fgetxattr (int filedes, const char *name, void *value, size_t size)
1682 #if defined(HAVE_FGETXATTR)
1683 #ifndef XATTR_ADD_OPT
1684 return fgetxattr(filedes, name, value, size);
1687 return fgetxattr(filedes, name, value, size, 0, options);
1689 #elif defined(HAVE_FGETEA)
1690 return fgetea(filedes, name, value, size);
1691 #elif defined(HAVE_EXTATTR_GET_FD)
1694 int attrnamespace = (strncmp(name, "system", 6) == 0) ?
1695 EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
1696 const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
1698 if((retval=extattr_get_fd(filedes, attrnamespace, attrname, NULL, 0)) >= 0) {
1703 if((retval=extattr_get_fd(filedes, attrnamespace, attrname, value, size)) >= 0)
1707 DEBUG(10,("sys_fgetxattr: extattr_get_fd() failed with: %s\n", strerror(errno)));
1709 #elif defined(HAVE_ATTR_GETF)
1710 int retval, flags = 0;
1711 int valuelength = (int)size;
1712 char *attrname = strchr(name,'.') + 1;
1714 if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
1716 retval = attr_getf(filedes, attrname, (char *)value, &valuelength, flags);
1718 return retval ? retval : valuelength;
1725 #if defined(HAVE_EXTATTR_LIST_FILE)
1727 #define EXTATTR_PREFIX(s) (s), (sizeof((s))-1)
1735 { EXTATTR_NAMESPACE_SYSTEM, EXTATTR_PREFIX("system.") },
1736 { EXTATTR_NAMESPACE_USER, EXTATTR_PREFIX("user.") },
1744 static ssize_t bsd_attr_list (int type, extattr_arg arg, char *list, size_t size)
1746 ssize_t list_size, total_size = 0;
1749 /* Iterate through extattr(2) namespaces */
1750 for(t = 0; t < (sizeof(extattr)/sizeof(extattr[0])); t++) {
1752 #if defined(HAVE_EXTATTR_LIST_FILE)
1754 list_size = extattr_list_file(arg.path, extattr[t].space, list, size);
1757 #if defined(HAVE_EXTATTR_LIST_LINK)
1759 list_size = extattr_list_link(arg.path, extattr[t].space, list, size);
1762 #if defined(HAVE_EXTATTR_LIST_FD)
1764 list_size = extattr_list_fd(arg.filedes, extattr[t].space, list, size);
1771 /* Some error happend. Errno should be set by the previous call */
1777 /* XXX: Call with an empty buffer may be used to calculate
1778 necessary buffer size. Unfortunately, we can't say, how
1779 many attributes were returned, so here is the potential
1780 problem with the emulation.
1783 /* Take the worse case of one char attribute names -
1784 two bytes per name plus one more for sanity.
1786 total_size += list_size + (list_size/2 + 1)*extattr[t].len;
1789 /* Count necessary offset to fit namespace prefixes */
1791 for(i = 0; i < list_size; i += list[i] + 1)
1792 len += extattr[t].len;
1794 total_size += list_size + len;
1795 /* Buffer is too small to fit the results */
1796 if(total_size > size) {
1800 /* Shift results back, so we can prepend prefixes */
1801 buf = memmove(list + len, list, list_size);
1803 for(i = 0; i < list_size; i += len + 1) {
1805 strncpy(list, extattr[t].name, extattr[t].len + 1);
1806 list += extattr[t].len;
1807 strncpy(list, buf + i + 1, len);
1818 #if defined(HAVE_ATTR_LIST) && defined(HAVE_SYS_ATTRIBUTES_H)
1819 static char attr_buffer[ATTR_MAX_VALUELEN];
1821 static ssize_t irix_attr_list(const char *path, int filedes, char *list, size_t size, int flags)
1823 int retval = 0, index;
1824 attrlist_cursor_t *cursor = 0;
1826 attrlist_t * al = (attrlist_t *)attr_buffer;
1828 size_t ent_size, left = size;
1833 retval = attr_listf(filedes, attr_buffer, ATTR_MAX_VALUELEN, flags, cursor);
1835 retval = attr_list(path, attr_buffer, ATTR_MAX_VALUELEN, flags, cursor);
1837 for (index = 0; index < al->al_count; index++) {
1838 ae = ATTR_ENTRY(attr_buffer, index);
1839 ent_size = strlen(ae->a_name) + sizeof("user.");
1840 if (left >= ent_size) {
1841 strncpy(bp, "user.", sizeof("user."));
1842 strncat(bp, ae->a_name, ent_size - sizeof("user."));
1850 total_size += ent_size;
1852 if (al->al_more == 0) break;
1859 retval = attr_listf(filedes, attr_buffer, ATTR_MAX_VALUELEN, flags, cursor);
1861 retval = attr_list(path, attr_buffer, ATTR_MAX_VALUELEN, flags, cursor);
1863 for (index = 0; index < al->al_count; index++) {
1864 ae = ATTR_ENTRY(attr_buffer, index);
1865 ent_size = strlen(ae->a_name) + sizeof("system.");
1866 if (left >= ent_size) {
1867 strncpy(bp, "system.", sizeof("system."));
1868 strncat(bp, ae->a_name, ent_size - sizeof("system."));
1876 total_size += ent_size;
1878 if (al->al_more == 0) break;
1881 return (ssize_t)(retval ? retval : total_size);
1886 ssize_t sys_listxattr (const char *path, char *list, size_t size)
1888 #if defined(HAVE_LISTXATTR)
1889 #ifndef XATTR_ADD_OPT
1890 return listxattr(path, list, size);
1893 return listxattr(path, list, size, options);
1895 #elif defined(HAVE_LISTEA)
1896 return listea(path, list, size);
1897 #elif defined(HAVE_EXTATTR_LIST_FILE)
1900 return bsd_attr_list(0, arg, list, size);
1901 #elif defined(HAVE_ATTR_LIST) && defined(HAVE_SYS_ATTRIBUTES_H)
1902 return irix_attr_list(path, 0, list, size, 0);
1909 ssize_t sys_llistxattr (const char *path, char *list, size_t size)
1911 #if defined(HAVE_LLISTXATTR)
1912 return llistxattr(path, list, size);
1913 #elif defined(HAVE_LISTXATTR) && defined(XATTR_ADD_OPT)
1914 int options = XATTR_NOFOLLOW;
1915 return listxattr(path, list, size, options);
1916 #elif defined(HAVE_LLISTEA)
1917 return llistea(path, list, size);
1918 #elif defined(HAVE_EXTATTR_LIST_LINK)
1921 return bsd_attr_list(1, arg, list, size);
1922 #elif defined(HAVE_ATTR_LIST) && defined(HAVE_SYS_ATTRIBUTES_H)
1923 return irix_attr_list(path, 0, list, size, ATTR_DONTFOLLOW);
1930 ssize_t sys_flistxattr (int filedes, char *list, size_t size)
1932 #if defined(HAVE_FLISTXATTR)
1933 #ifndef XATTR_ADD_OPT
1934 return flistxattr(filedes, list, size);
1937 return flistxattr(filedes, list, size, options);
1939 #elif defined(HAVE_FLISTEA)
1940 return flistea(filedes, list, size);
1941 #elif defined(HAVE_EXTATTR_LIST_FD)
1943 arg.filedes = filedes;
1944 return bsd_attr_list(2, arg, list, size);
1945 #elif defined(HAVE_ATTR_LISTF)
1946 return irix_attr_list(NULL, filedes, list, size, 0);
1953 int sys_removexattr (const char *path, const char *name)
1955 #if defined(HAVE_REMOVEXATTR)
1956 #ifndef XATTR_ADD_OPT
1957 return removexattr(path, name);
1960 return removexattr(path, name, options);
1962 #elif defined(HAVE_REMOVEEA)
1963 return removeea(path, name);
1964 #elif defined(HAVE_EXTATTR_DELETE_FILE)
1966 int attrnamespace = (strncmp(name, "system", 6) == 0) ?
1967 EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
1968 const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
1970 return extattr_delete_file(path, attrnamespace, attrname);
1971 #elif defined(HAVE_ATTR_REMOVE)
1973 char *attrname = strchr(name,'.') + 1;
1975 if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
1977 return attr_remove(path, attrname, flags);
1984 int sys_lremovexattr (const char *path, const char *name)
1986 #if defined(HAVE_LREMOVEXATTR)
1987 return lremovexattr(path, name);
1988 #elif defined(HAVE_REMOVEXATTR) && defined(XATTR_ADD_OPT)
1989 int options = XATTR_NOFOLLOW;
1990 return removexattr(path, name, options);
1991 #elif defined(HAVE_LREMOVEEA)
1992 return lremoveea(path, name);
1993 #elif defined(HAVE_EXTATTR_DELETE_LINK)
1995 int attrnamespace = (strncmp(name, "system", 6) == 0) ?
1996 EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
1997 const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
1999 return extattr_delete_link(path, attrnamespace, attrname);
2000 #elif defined(HAVE_ATTR_REMOVE)
2001 int flags = ATTR_DONTFOLLOW;
2002 char *attrname = strchr(name,'.') + 1;
2004 if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
2006 return attr_remove(path, attrname, flags);
2013 int sys_fremovexattr (int filedes, const char *name)
2015 #if defined(HAVE_FREMOVEXATTR)
2016 #ifndef XATTR_ADD_OPT
2017 return fremovexattr(filedes, name);
2020 return fremovexattr(filedes, name, options);
2022 #elif defined(HAVE_FREMOVEEA)
2023 return fremoveea(filedes, name);
2024 #elif defined(HAVE_EXTATTR_DELETE_FD)
2026 int attrnamespace = (strncmp(name, "system", 6) == 0) ?
2027 EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
2028 const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
2030 return extattr_delete_fd(filedes, attrnamespace, attrname);
2031 #elif defined(HAVE_ATTR_REMOVEF)
2033 char *attrname = strchr(name,'.') + 1;
2035 if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT;
2037 return attr_removef(filedes, attrname, flags);
2044 #if !defined(HAVE_SETXATTR)
2045 #define XATTR_CREATE 0x1 /* set value, fail if attr already exists */
2046 #define XATTR_REPLACE 0x2 /* set value, fail if attr does not exist */
2049 int sys_setxattr (const char *path, const char *name, const void *value, size_t size, int flags)
2051 #if defined(HAVE_SETXATTR)
2052 #ifndef XATTR_ADD_OPT
2053 return setxattr(path, name, value, size, flags);
2056 return setxattr(path, name, value, size, 0, options);
2058 #elif defined(HAVE_SETEA)
2059 return setea(path, name, value, size, flags);
2060 #elif defined(HAVE_EXTATTR_SET_FILE)
2063 int attrnamespace = (strncmp(name, "system", 6) == 0) ?
2064 EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
2065 const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
2067 /* Check attribute existence */
2068 retval = extattr_get_file(path, attrnamespace, attrname, NULL, 0);
2070 /* REPLACE attribute, that doesn't exist */
2071 if (flags & XATTR_REPLACE && errno == ENOATTR) {
2075 /* Ignore other errors */
2078 /* CREATE attribute, that already exists */
2079 if (flags & XATTR_CREATE) {
2085 retval = extattr_set_file(path, attrnamespace, attrname, value, size);
2086 return (retval < 0) ? -1 : 0;
2087 #elif defined(HAVE_ATTR_SET)
2089 char *attrname = strchr(name,'.') + 1;
2091 if (strncmp(name, "system", 6) == 0) myflags |= ATTR_ROOT;
2092 if (flags & XATTR_CREATE) myflags |= ATTR_CREATE;
2093 if (flags & XATTR_REPLACE) myflags |= ATTR_REPLACE;
2095 return attr_set(path, attrname, (const char *)value, size, myflags);
2102 int sys_lsetxattr (const char *path, const char *name, const void *value, size_t size, int flags)
2104 #if defined(HAVE_LSETXATTR)
2105 return lsetxattr(path, name, value, size, flags);
2106 #elif defined(HAVE_SETXATTR) && defined(XATTR_ADD_OPT)
2107 int options = XATTR_NOFOLLOW;
2108 return setxattr(path, name, value, size, 0, options);
2109 #elif defined(LSETEA)
2110 return lsetea(path, name, value, size, flags);
2111 #elif defined(HAVE_EXTATTR_SET_LINK)
2114 int attrnamespace = (strncmp(name, "system", 6) == 0) ?
2115 EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
2116 const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
2118 /* Check attribute existence */
2119 retval = extattr_get_link(path, attrnamespace, attrname, NULL, 0);
2121 /* REPLACE attribute, that doesn't exist */
2122 if (flags & XATTR_REPLACE && errno == ENOATTR) {
2126 /* Ignore other errors */
2129 /* CREATE attribute, that already exists */
2130 if (flags & XATTR_CREATE) {
2137 retval = extattr_set_link(path, attrnamespace, attrname, value, size);
2138 return (retval < 0) ? -1 : 0;
2139 #elif defined(HAVE_ATTR_SET)
2140 int myflags = ATTR_DONTFOLLOW;
2141 char *attrname = strchr(name,'.') + 1;
2143 if (strncmp(name, "system", 6) == 0) myflags |= ATTR_ROOT;
2144 if (flags & XATTR_CREATE) myflags |= ATTR_CREATE;
2145 if (flags & XATTR_REPLACE) myflags |= ATTR_REPLACE;
2147 return attr_set(path, attrname, (const char *)value, size, myflags);
2154 int sys_fsetxattr (int filedes, const char *name, const void *value, size_t size, int flags)
2156 #if defined(HAVE_FSETXATTR)
2157 #ifndef XATTR_ADD_OPT
2158 return fsetxattr(filedes, name, value, size, flags);
2161 return fsetxattr(filedes, name, value, size, 0, options);
2163 #elif defined(HAVE_FSETEA)
2164 return fsetea(filedes, name, value, size, flags);
2165 #elif defined(HAVE_EXTATTR_SET_FD)
2168 int attrnamespace = (strncmp(name, "system", 6) == 0) ?
2169 EXTATTR_NAMESPACE_SYSTEM : EXTATTR_NAMESPACE_USER;
2170 const char *attrname = ((s=strchr_m(name, '.')) == NULL) ? name : s + 1;
2172 /* Check attribute existence */
2173 retval = extattr_get_fd(filedes, attrnamespace, attrname, NULL, 0);
2175 /* REPLACE attribute, that doesn't exist */
2176 if (flags & XATTR_REPLACE && errno == ENOATTR) {
2180 /* Ignore other errors */
2183 /* CREATE attribute, that already exists */
2184 if (flags & XATTR_CREATE) {
2190 retval = extattr_set_fd(filedes, attrnamespace, attrname, value, size);
2191 return (retval < 0) ? -1 : 0;
2192 #elif defined(HAVE_ATTR_SETF)
2194 char *attrname = strchr(name,'.') + 1;
2196 if (strncmp(name, "system", 6) == 0) myflags |= ATTR_ROOT;
2197 if (flags & XATTR_CREATE) myflags |= ATTR_CREATE;
2198 if (flags & XATTR_REPLACE) myflags |= ATTR_REPLACE;
2200 return attr_setf(filedes, attrname, (const char *)value, size, myflags);
2207 /****************************************************************************
2208 Return the major devicenumber for UNIX extensions.
2209 ****************************************************************************/
2211 uint32 unix_dev_major(SMB_DEV_T dev)
2213 #if defined(HAVE_DEVICE_MAJOR_FN)
2214 return (uint32)major(dev);
2216 return (uint32)(dev >> 8);
2220 /****************************************************************************
2221 Return the minor devicenumber for UNIX extensions.
2222 ****************************************************************************/
2224 uint32 unix_dev_minor(SMB_DEV_T dev)
2226 #if defined(HAVE_DEVICE_MINOR_FN)
2227 return (uint32)minor(dev);
2229 return (uint32)(dev & 0xff);
2233 #if defined(WITH_AIO)
2235 /*******************************************************************
2236 An aio_read wrapper that will deal with 64-bit sizes.
2237 ********************************************************************/
2239 int sys_aio_read(SMB_STRUCT_AIOCB *aiocb)
2241 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_READ64)
2242 return aio_read64(aiocb);
2243 #elif defined(HAVE_AIO_READ)
2244 return aio_read(aiocb);
2251 /*******************************************************************
2252 An aio_write wrapper that will deal with 64-bit sizes.
2253 ********************************************************************/
2255 int sys_aio_write(SMB_STRUCT_AIOCB *aiocb)
2257 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_WRITE64)
2258 return aio_write64(aiocb);
2259 #elif defined(HAVE_AIO_WRITE)
2260 return aio_write(aiocb);
2267 /*******************************************************************
2268 An aio_return wrapper that will deal with 64-bit sizes.
2269 ********************************************************************/
2271 ssize_t sys_aio_return(SMB_STRUCT_AIOCB *aiocb)
2273 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_RETURN64)
2274 return aio_return64(aiocb);
2275 #elif defined(HAVE_AIO_RETURN)
2276 return aio_return(aiocb);
2283 /*******************************************************************
2284 An aio_cancel wrapper that will deal with 64-bit sizes.
2285 ********************************************************************/
2287 int sys_aio_cancel(int fd, SMB_STRUCT_AIOCB *aiocb)
2289 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_CANCEL64)
2290 return aio_cancel64(fd, aiocb);
2291 #elif defined(HAVE_AIO_CANCEL)
2292 return aio_cancel(fd, aiocb);
2299 /*******************************************************************
2300 An aio_error wrapper that will deal with 64-bit sizes.
2301 ********************************************************************/
2303 int sys_aio_error(const SMB_STRUCT_AIOCB *aiocb)
2305 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_ERROR64)
2306 return aio_error64(aiocb);
2307 #elif defined(HAVE_AIO_ERROR)
2308 return aio_error(aiocb);
2315 /*******************************************************************
2316 An aio_fsync wrapper that will deal with 64-bit sizes.
2317 ********************************************************************/
2319 int sys_aio_fsync(int op, SMB_STRUCT_AIOCB *aiocb)
2321 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_FSYNC64)
2322 return aio_fsync64(op, aiocb);
2323 #elif defined(HAVE_AIO_FSYNC)
2324 return aio_fsync(op, aiocb);
2331 /*******************************************************************
2332 An aio_fsync wrapper that will deal with 64-bit sizes.
2333 ********************************************************************/
2335 int sys_aio_suspend(const SMB_STRUCT_AIOCB * const cblist[], int n, const struct timespec *timeout)
2337 #if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_AIOCB64) && defined(HAVE_AIO_SUSPEND64)
2338 return aio_suspend64(cblist, n, timeout);
2339 #elif defined(HAVE_AIO_FSYNC)
2340 return aio_suspend(cblist, n, timeout);
2346 #else /* !WITH_AIO */
2348 int sys_aio_read(SMB_STRUCT_AIOCB *aiocb)
2354 int sys_aio_write(SMB_STRUCT_AIOCB *aiocb)
2360 ssize_t sys_aio_return(SMB_STRUCT_AIOCB *aiocb)
2366 int sys_aio_cancel(int fd, SMB_STRUCT_AIOCB *aiocb)
2372 int sys_aio_error(const SMB_STRUCT_AIOCB *aiocb)
2378 int sys_aio_fsync(int op, SMB_STRUCT_AIOCB *aiocb)
2384 int sys_aio_suspend(const SMB_STRUCT_AIOCB * const cblist[], int n, const struct timespec *timeout)
2389 #endif /* WITH_AIO */
2391 int sys_getpeereid( int s, uid_t *uid)
2393 #if defined(HAVE_PEERCRED)
2395 socklen_t cred_len = sizeof(struct ucred);
2398 ret = getsockopt(s, SOL_SOCKET, SO_PEERCRED, (void *)&cred, &cred_len);
2403 if (cred_len != sizeof(struct ucred)) {