2 Unix SMB/CIFS implementation.
3 Samba utility functions
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Jeremy Allison 2001-2002
6 Copyright (C) Simo Sorce 2001
7 Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 extern fstring local_machine
;
27 extern char *global_clobber_region_function
;
28 extern unsigned int global_clobber_region_line
;
29 extern fstring remote_arch
;
31 /* Max allowable allococation - 256mb - 0x10000000 */
32 #define MAX_ALLOC_SIZE (1024*1024*256)
34 #if (defined(HAVE_NETGROUP) && defined (WITH_AUTOMOUNT))
35 #ifdef WITH_NISPLUS_HOME
36 #ifdef BROKEN_NISPLUS_INCLUDE_FILES
38 * The following lines are needed due to buggy include files
39 * in Solaris 2.6 which define GROUP in both /usr/include/sys/acl.h and
40 * also in /usr/include/rpcsvc/nis.h. The definitions conflict. JRA.
41 * Also GROUP_OBJ is defined as 0x4 in /usr/include/sys/acl.h and as
42 * an enum in /usr/include/rpcsvc/nis.h.
49 #if defined(GROUP_OBJ)
53 #endif /* BROKEN_NISPLUS_INCLUDE_FILES */
55 #include <rpcsvc/nis.h>
57 #endif /* WITH_NISPLUS_HOME */
58 #endif /* HAVE_NETGROUP && WITH_AUTOMOUNT */
60 enum protocol_types Protocol
= PROTOCOL_COREPLUS
;
62 /* a default finfo structure to ensure all fields are sensible */
63 file_info def_finfo
= {-1,0,0,0,0,0,0,"",""};
65 /* this is used by the chaining code */
70 static enum remote_arch_types ra_type
= RA_UNKNOWN
;
71 pstring user_socket_options
=DEFAULT_SOCKET_OPTIONS
;
73 /***********************************************************************
74 Definitions for all names.
75 ***********************************************************************/
77 static char *smb_myname
;
78 static char *smb_myworkgroup
;
79 static char *smb_scope
;
80 static int smb_num_netbios_names
;
81 static char **smb_my_netbios_names
;
83 /***********************************************************************
84 Allocate and set myname. Ensure upper case.
85 ***********************************************************************/
87 BOOL
set_global_myname(const char *myname
)
89 SAFE_FREE(smb_myname
);
90 smb_myname
= SMB_STRDUP(myname
);
93 strupper_m(smb_myname
);
97 const char *global_myname(void)
102 /***********************************************************************
103 Allocate and set myworkgroup. Ensure upper case.
104 ***********************************************************************/
106 BOOL
set_global_myworkgroup(const char *myworkgroup
)
108 SAFE_FREE(smb_myworkgroup
);
109 smb_myworkgroup
= SMB_STRDUP(myworkgroup
);
110 if (!smb_myworkgroup
)
112 strupper_m(smb_myworkgroup
);
116 const char *lp_workgroup(void)
118 return smb_myworkgroup
;
121 /***********************************************************************
122 Allocate and set scope. Ensure upper case.
123 ***********************************************************************/
125 BOOL
set_global_scope(const char *scope
)
127 SAFE_FREE(smb_scope
);
128 smb_scope
= SMB_STRDUP(scope
);
131 strupper_m(smb_scope
);
135 /*********************************************************************
136 Ensure scope is never null string.
137 *********************************************************************/
139 const char *global_scope(void)
142 set_global_scope("");
146 static void free_netbios_names_array(void)
150 for (i
= 0; i
< smb_num_netbios_names
; i
++)
151 SAFE_FREE(smb_my_netbios_names
[i
]);
153 SAFE_FREE(smb_my_netbios_names
);
154 smb_num_netbios_names
= 0;
157 static BOOL
allocate_my_netbios_names_array(size_t number
)
159 free_netbios_names_array();
161 smb_num_netbios_names
= number
+ 1;
162 smb_my_netbios_names
= SMB_MALLOC_ARRAY( char *, smb_num_netbios_names
);
164 if (!smb_my_netbios_names
)
167 memset(smb_my_netbios_names
, '\0', sizeof(char *) * smb_num_netbios_names
);
171 static BOOL
set_my_netbios_names(const char *name
, int i
)
173 SAFE_FREE(smb_my_netbios_names
[i
]);
175 smb_my_netbios_names
[i
] = SMB_STRDUP(name
);
176 if (!smb_my_netbios_names
[i
])
178 strupper_m(smb_my_netbios_names
[i
]);
182 const char *my_netbios_names(int i
)
184 return smb_my_netbios_names
[i
];
187 BOOL
set_netbios_aliases(const char **str_array
)
191 /* Work out the max number of netbios aliases that we have */
192 for( namecount
=0; str_array
&& (str_array
[namecount
] != NULL
); namecount
++ )
195 if ( global_myname() && *global_myname())
198 /* Allocate space for the netbios aliases */
199 if (!allocate_my_netbios_names_array(namecount
))
202 /* Use the global_myname string first */
204 if ( global_myname() && *global_myname()) {
205 set_my_netbios_names( global_myname(), namecount
);
211 for ( i
= 0; str_array
[i
] != NULL
; i
++) {
213 BOOL duplicate
= False
;
215 /* Look for duplicates */
216 for( n
=0; n
<namecount
; n
++ ) {
217 if( strequal( str_array
[i
], my_netbios_names(n
) ) ) {
223 if (!set_my_netbios_names(str_array
[i
], namecount
))
232 /****************************************************************************
233 Common name initialization code.
234 ****************************************************************************/
236 BOOL
init_names(void)
241 if (global_myname() == NULL
|| *global_myname() == '\0') {
242 if (!set_global_myname(myhostname())) {
243 DEBUG( 0, ( "init_structs: malloc fail.\n" ) );
248 if (!set_netbios_aliases(lp_netbios_aliases())) {
249 DEBUG( 0, ( "init_structs: malloc fail.\n" ) );
253 fstrcpy( local_machine
, global_myname() );
254 trim_char( local_machine
, ' ', ' ' );
255 p
= strchr( local_machine
, ' ' );
258 strlower_m( local_machine
);
260 DEBUG( 5, ("Netbios name list:-\n") );
261 for( n
=0; my_netbios_names(n
); n
++ )
262 DEBUGADD( 5, ( "my_netbios_names[%d]=\"%s\"\n", n
, my_netbios_names(n
) ) );
267 /**************************************************************************n
268 Find a suitable temporary directory. The result should be copied immediately
269 as it may be overwritten by a subsequent call.
270 ****************************************************************************/
272 const char *tmpdir(void)
275 if ((p
= getenv("TMPDIR")))
280 /****************************************************************************
281 Add a gid to an array of gids if it's not already there.
282 ****************************************************************************/
284 void add_gid_to_array_unique(TALLOC_CTX
*mem_ctx
, gid_t gid
,
285 gid_t
**gids
, size_t *num_gids
)
289 for (i
=0; i
<*num_gids
; i
++) {
290 if ((*gids
)[i
] == gid
)
295 *gids
= TALLOC_REALLOC_ARRAY(mem_ctx
, *gids
, gid_t
, *num_gids
+1);
297 *gids
= SMB_REALLOC_ARRAY(*gids
, gid_t
, *num_gids
+1);
302 (*gids
)[*num_gids
] = gid
;
306 /****************************************************************************
307 Like atoi but gets the value up to the separator character.
308 ****************************************************************************/
310 static const char *Atoic(const char *p
, int *n
, const char *c
)
312 if (!isdigit((int)*p
)) {
313 DEBUG(5, ("Atoic: malformed number\n"));
319 while ((*p
) && isdigit((int)*p
))
322 if (strchr_m(c
, *p
) == NULL
) {
323 DEBUG(5, ("Atoic: no separator characters (%s) not found\n", c
));
330 /*************************************************************************
331 Reads a list of numbers.
332 *************************************************************************/
334 const char *get_numlist(const char *p
, uint32
**num
, int *count
)
338 if (num
== NULL
|| count
== NULL
)
344 while ((p
= Atoic(p
, &val
, ":,")) != NULL
&& (*p
) != ':') {
347 tn
= SMB_REALLOC_ARRAY((*num
), uint32
, (*count
)+1);
353 (*num
)[(*count
)] = val
;
361 /*******************************************************************
362 Check if a file exists - call vfs_file_exist for samba files.
363 ********************************************************************/
365 BOOL
file_exist(const char *fname
,SMB_STRUCT_STAT
*sbuf
)
371 if (sys_stat(fname
,sbuf
) != 0)
374 return((S_ISREG(sbuf
->st_mode
)) || (S_ISFIFO(sbuf
->st_mode
)));
377 /*******************************************************************
378 Check a files mod time.
379 ********************************************************************/
381 time_t file_modtime(const char *fname
)
385 if (sys_stat(fname
,&st
) != 0)
391 /*******************************************************************
392 Check if a directory exists.
393 ********************************************************************/
395 BOOL
directory_exist(char *dname
,SMB_STRUCT_STAT
*st
)
403 if (sys_stat(dname
,st
) != 0)
406 ret
= S_ISDIR(st
->st_mode
);
412 /*******************************************************************
413 Returns the size in bytes of the named file.
414 ********************************************************************/
416 SMB_OFF_T
get_file_size(char *file_name
)
420 if(sys_stat(file_name
,&buf
) != 0)
421 return (SMB_OFF_T
)-1;
425 /*******************************************************************
426 Return a string representing an attribute for a file.
427 ********************************************************************/
429 char *attrib_string(uint16 mode
)
431 static fstring attrstr
;
435 if (mode
& aVOLID
) fstrcat(attrstr
,"V");
436 if (mode
& aDIR
) fstrcat(attrstr
,"D");
437 if (mode
& aARCH
) fstrcat(attrstr
,"A");
438 if (mode
& aHIDDEN
) fstrcat(attrstr
,"H");
439 if (mode
& aSYSTEM
) fstrcat(attrstr
,"S");
440 if (mode
& aRONLY
) fstrcat(attrstr
,"R");
445 /*******************************************************************
446 Show a smb message structure.
447 ********************************************************************/
449 void show_msg(char *buf
)
457 DEBUG(5,("size=%d\nsmb_com=0x%x\nsmb_rcls=%d\nsmb_reh=%d\nsmb_err=%d\nsmb_flg=%d\nsmb_flg2=%d\n",
459 (int)CVAL(buf
,smb_com
),
460 (int)CVAL(buf
,smb_rcls
),
461 (int)CVAL(buf
,smb_reh
),
462 (int)SVAL(buf
,smb_err
),
463 (int)CVAL(buf
,smb_flg
),
464 (int)SVAL(buf
,smb_flg2
)));
465 DEBUGADD(5,("smb_tid=%d\nsmb_pid=%d\nsmb_uid=%d\nsmb_mid=%d\n",
466 (int)SVAL(buf
,smb_tid
),
467 (int)SVAL(buf
,smb_pid
),
468 (int)SVAL(buf
,smb_uid
),
469 (int)SVAL(buf
,smb_mid
)));
470 DEBUGADD(5,("smt_wct=%d\n",(int)CVAL(buf
,smb_wct
)));
472 for (i
=0;i
<(int)CVAL(buf
,smb_wct
);i
++)
473 DEBUGADD(5,("smb_vwv[%2d]=%5d (0x%X)\n",i
,
474 SVAL(buf
,smb_vwv
+2*i
),SVAL(buf
,smb_vwv
+2*i
)));
476 bcc
= (int)SVAL(buf
,smb_vwv
+2*(CVAL(buf
,smb_wct
)));
478 DEBUGADD(5,("smb_bcc=%d\n",bcc
));
486 dump_data(10, smb_buf(buf
), bcc
);
489 /*******************************************************************
490 Set the length and marker of an smb packet.
491 ********************************************************************/
493 void smb_setlen(char *buf
,int len
)
495 _smb_setlen(buf
,len
);
503 /*******************************************************************
504 Setup the word count and byte count for a smb message.
505 ********************************************************************/
507 int set_message(char *buf
,int num_words
,int num_bytes
,BOOL zero
)
510 memset(buf
+ smb_size
,'\0',num_words
*2 + num_bytes
);
511 SCVAL(buf
,smb_wct
,num_words
);
512 SSVAL(buf
,smb_vwv
+ num_words
*SIZEOFWORD
,num_bytes
);
513 smb_setlen(buf
,smb_size
+ num_words
*2 + num_bytes
- 4);
514 return (smb_size
+ num_words
*2 + num_bytes
);
517 /*******************************************************************
518 Setup only the byte count for a smb message.
519 ********************************************************************/
521 int set_message_bcc(char *buf
,int num_bytes
)
523 int num_words
= CVAL(buf
,smb_wct
);
524 SSVAL(buf
,smb_vwv
+ num_words
*SIZEOFWORD
,num_bytes
);
525 smb_setlen(buf
,smb_size
+ num_words
*2 + num_bytes
- 4);
526 return (smb_size
+ num_words
*2 + num_bytes
);
529 /*******************************************************************
530 Setup only the byte count for a smb message, using the end of the
532 ********************************************************************/
534 int set_message_end(void *outbuf
,void *end_ptr
)
536 return set_message_bcc((char *)outbuf
,PTR_DIFF(end_ptr
,smb_buf((char *)outbuf
)));
539 /*******************************************************************
540 Reduce a file name, removing .. elements.
541 ********************************************************************/
543 void dos_clean_name(char *s
)
547 DEBUG(3,("dos_clean_name [%s]\n",s
));
549 /* remove any double slashes */
550 all_string_sub(s
, "\\\\", "\\", 0);
552 while ((p
= strstr_m(s
,"\\..\\")) != NULL
) {
558 if ((p
=strrchr_m(s
,'\\')) != NULL
)
565 trim_string(s
,NULL
,"\\..");
567 all_string_sub(s
, "\\.\\", "\\", 0);
570 /*******************************************************************
571 Reduce a file name, removing .. elements.
572 ********************************************************************/
574 void unix_clean_name(char *s
)
578 DEBUG(3,("unix_clean_name [%s]\n",s
));
580 /* remove any double slashes */
581 all_string_sub(s
, "//","/", 0);
583 /* Remove leading ./ characters */
584 if(strncmp(s
, "./", 2) == 0) {
585 trim_string(s
, "./", NULL
);
590 while ((p
= strstr_m(s
,"/../")) != NULL
) {
596 if ((p
=strrchr_m(s
,'/')) != NULL
)
603 trim_string(s
,NULL
,"/..");
606 /*******************************************************************
607 Close the low 3 fd's and open dev/null in their place.
608 ********************************************************************/
610 void close_low_fds(BOOL stderr_too
)
622 /* try and use up these file descriptors, so silly
623 library routines writing to stdout etc won't cause havoc */
625 if (i
== 2 && !stderr_too
)
628 fd
= sys_open("/dev/null",O_RDWR
,0);
630 fd
= sys_open("/dev/null",O_WRONLY
,0);
632 DEBUG(0,("Can't open /dev/null\n"));
636 DEBUG(0,("Didn't get file descriptor %d\n",i
));
643 /*******************************************************************
644 Write data into an fd at a given offset. Ignore seek errors.
645 ********************************************************************/
647 ssize_t
write_data_at_offset(int fd
, const char *buffer
, size_t N
, SMB_OFF_T pos
)
652 if (pos
== (SMB_OFF_T
)-1) {
653 return write_data(fd
, buffer
, N
);
655 #if defined(HAVE_PWRITE) || defined(HAVE_PRWITE64)
657 ret
= sys_pwrite(fd
,buffer
+ total
,N
- total
, pos
);
658 if (ret
== -1 && errno
== ESPIPE
) {
659 return write_data(fd
, buffer
+ total
,N
- total
);
662 DEBUG(0,("write_data_at_offset: write failure. Error = %s\n", strerror(errno
) ));
671 return (ssize_t
)total
;
673 /* Use lseek and write_data. */
674 if (sys_lseek(fd
, pos
, SEEK_SET
) == -1) {
675 if (errno
!= ESPIPE
) {
679 return write_data(fd
, buffer
, N
);
683 /****************************************************************************
684 Set a fd into blocking/nonblocking mode. Uses POSIX O_NONBLOCK if available,
688 ****************************************************************************/
690 int set_blocking(int fd
, BOOL set
)
694 #define FLAG_TO_SET O_NONBLOCK
697 #define FLAG_TO_SET O_NDELAY
699 #define FLAG_TO_SET FNDELAY
703 if((val
= sys_fcntl_long(fd
, F_GETFL
, 0)) == -1)
705 if(set
) /* Turn blocking on - ie. clear nonblock flag */
709 return sys_fcntl_long( fd
, F_SETFL
, val
);
713 /****************************************************************************
714 Transfer some data between two fd's.
715 ****************************************************************************/
717 #ifndef TRANSFER_BUF_SIZE
718 #define TRANSFER_BUF_SIZE 65536
721 ssize_t
transfer_file_internal(int infd
, int outfd
, size_t n
, ssize_t (*read_fn
)(int, void *, size_t),
722 ssize_t (*write_fn
)(int, const void *, size_t))
728 size_t num_to_read_thistime
;
729 size_t num_written
= 0;
731 if ((buf
= SMB_MALLOC(TRANSFER_BUF_SIZE
)) == NULL
)
735 num_to_read_thistime
= MIN((n
- total
), TRANSFER_BUF_SIZE
);
737 read_ret
= (*read_fn
)(infd
, buf
, num_to_read_thistime
);
738 if (read_ret
== -1) {
739 DEBUG(0,("transfer_file_internal: read failure. Error = %s\n", strerror(errno
) ));
748 while (num_written
< read_ret
) {
749 write_ret
= (*write_fn
)(outfd
,buf
+ num_written
, read_ret
- num_written
);
751 if (write_ret
== -1) {
752 DEBUG(0,("transfer_file_internal: write failure. Error = %s\n", strerror(errno
) ));
757 return (ssize_t
)total
;
759 num_written
+= (size_t)write_ret
;
762 total
+= (size_t)read_ret
;
766 return (ssize_t
)total
;
769 SMB_OFF_T
transfer_file(int infd
,int outfd
,SMB_OFF_T n
)
771 return (SMB_OFF_T
)transfer_file_internal(infd
, outfd
, (size_t)n
, sys_read
, sys_write
);
774 /*******************************************************************
775 Sleep for a specified number of milliseconds.
776 ********************************************************************/
778 void smb_msleep(unsigned int t
)
780 #if defined(HAVE_NANOSLEEP)
781 struct timespec tval
;
784 tval
.tv_sec
= t
/1000;
785 tval
.tv_nsec
= 1000000*(t
%1000);
789 ret
= nanosleep(&tval
, &tval
);
790 } while (ret
< 0 && errno
== EINTR
&& (tval
.tv_sec
> 0 || tval
.tv_nsec
> 0));
792 unsigned int tdiff
=0;
793 struct timeval tval
,t1
,t2
;
800 tval
.tv_sec
= (t
-tdiff
)/1000;
801 tval
.tv_usec
= 1000*((t
-tdiff
)%1000);
803 /* Never wait for more than 1 sec. */
804 if (tval
.tv_sec
> 1) {
811 sys_select_intr(0,&fds
,NULL
,NULL
,&tval
);
814 if (t2
.tv_sec
< t1
.tv_sec
) {
815 /* Someone adjusted time... */
819 tdiff
= TvalDiff(&t1
,&t2
);
824 /****************************************************************************
825 Become a daemon, discarding the controlling terminal.
826 ****************************************************************************/
828 void become_daemon(BOOL Fork
)
836 /* detach from the terminal */
839 #elif defined(TIOCNOTTY)
841 int i
= sys_open("/dev/tty", O_RDWR
, 0);
843 ioctl(i
, (int) TIOCNOTTY
, (char *)0);
847 #endif /* HAVE_SETSID */
849 /* Close fd's 0,1,2. Needed if started by rsh */
850 close_low_fds(False
); /* Don't close stderr, let the debug system
851 attach it to the logfile */
854 /****************************************************************************
855 Put up a yes/no prompt.
856 ****************************************************************************/
863 if (!fgets(ans
,sizeof(ans
)-1,stdin
))
866 if (*ans
== 'y' || *ans
== 'Y')
872 #if defined(PARANOID_MALLOC_CHECKER)
874 /****************************************************************************
875 Internal malloc wrapper. Externally visible.
876 ****************************************************************************/
878 void *malloc_(size_t size
)
882 #define malloc(s) __ERROR_DONT_USE_MALLOC_DIRECTLY
885 /****************************************************************************
886 Internal calloc wrapper. Not externally visible.
887 ****************************************************************************/
889 static void *calloc_(size_t count
, size_t size
)
892 return calloc(count
, size
);
893 #define calloc(n,s) __ERROR_DONT_USE_CALLOC_DIRECTLY
896 /****************************************************************************
897 Internal realloc wrapper. Not externally visible.
898 ****************************************************************************/
900 static void *realloc_(void *ptr
, size_t size
)
903 return realloc(ptr
, size
);
904 #define realloc(p,s) __ERROR_DONT_USE_RELLOC_DIRECTLY
907 #endif /* PARANOID_MALLOC_CHECKER */
909 /****************************************************************************
911 ****************************************************************************/
913 void *malloc_array(size_t el_size
, unsigned int count
)
915 if (count
>= MAX_ALLOC_SIZE
/el_size
) {
919 #if defined(PARANOID_MALLOC_CHECKER)
920 return malloc_(el_size
*count
);
922 return malloc(el_size
*count
);
926 /****************************************************************************
928 ****************************************************************************/
930 void *calloc_array(size_t size
, size_t nmemb
)
932 if (nmemb
>= MAX_ALLOC_SIZE
/size
) {
935 #if defined(PARANOID_MALLOC_CHECKER)
936 return calloc_(nmemb
, size
);
938 return calloc(nmemb
, size
);
942 /****************************************************************************
943 Expand a pointer to be a particular size.
944 ****************************************************************************/
946 void *Realloc(void *p
,size_t size
)
952 DEBUG(5,("Realloc asked for 0 bytes\n"));
956 #if defined(PARANOID_MALLOC_CHECKER)
958 ret
= (void *)malloc_(size
);
960 ret
= (void *)realloc_(p
,size
);
963 ret
= (void *)malloc(size
);
965 ret
= (void *)realloc(p
,size
);
969 DEBUG(0,("Memory allocation error: failed to expand to %d bytes\n",(int)size
));
974 /****************************************************************************
976 ****************************************************************************/
978 void *realloc_array(void *p
,size_t el_size
, unsigned int count
)
980 if (count
>= MAX_ALLOC_SIZE
/el_size
) {
983 return Realloc(p
,el_size
*count
);
986 /****************************************************************************
987 (Hopefully) efficient array append
988 ****************************************************************************/
989 void add_to_large_array(TALLOC_CTX
*mem_ctx
, size_t element_size
,
990 void *element
, void **array
, uint32
*num_elements
,
996 if (*array
== NULL
) {
997 if (*array_size
== 0) {
1001 if (*array_size
>= MAX_ALLOC_SIZE
/element_size
) {
1005 if (mem_ctx
!= NULL
)
1006 *array
= TALLOC(mem_ctx
, element_size
* (*array_size
));
1008 *array
= SMB_MALLOC(element_size
* (*array_size
));
1014 if (*num_elements
== *array_size
) {
1017 if (*array_size
>= MAX_ALLOC_SIZE
/element_size
) {
1021 if (mem_ctx
!= NULL
)
1022 *array
= TALLOC_REALLOC(mem_ctx
, *array
,
1023 element_size
* (*array_size
));
1025 *array
= SMB_REALLOC(*array
,
1026 element_size
* (*array_size
));
1032 memcpy((char *)(*array
) + element_size
*(*num_elements
),
1033 element
, element_size
);
1043 /****************************************************************************
1044 Free memory, checks for NULL.
1045 Use directly SAFE_FREE()
1046 Exists only because we need to pass a function pointer somewhere --SSS
1047 ****************************************************************************/
1049 void safe_free(void *p
)
1054 /****************************************************************************
1055 Get my own name and IP.
1056 ****************************************************************************/
1058 BOOL
get_myname(char *my_name
)
1064 /* get my host name */
1065 if (gethostname(hostname
, sizeof(hostname
)) == -1) {
1066 DEBUG(0,("gethostname failed\n"));
1070 /* Ensure null termination. */
1071 hostname
[sizeof(hostname
)-1] = '\0';
1074 /* split off any parts after an initial . */
1075 char *p
= strchr_m(hostname
,'.');
1080 fstrcpy(my_name
,hostname
);
1086 /****************************************************************************
1087 Get my own canonical name, including domain.
1088 ****************************************************************************/
1090 BOOL
get_mydnsfullname(fstring my_dnsname
)
1092 static fstring dnshostname
;
1095 if (!*dnshostname
) {
1096 /* get my host name */
1097 if (gethostname(dnshostname
, sizeof(dnshostname
)) == -1) {
1098 *dnshostname
= '\0';
1099 DEBUG(0,("gethostname failed\n"));
1103 /* Ensure null termination. */
1104 dnshostname
[sizeof(dnshostname
)-1] = '\0';
1106 /* Ensure we get the cannonical name. */
1107 if (!(hp
= sys_gethostbyname(dnshostname
))) {
1108 *dnshostname
= '\0';
1111 fstrcpy(dnshostname
, hp
->h_name
);
1113 fstrcpy(my_dnsname
, dnshostname
);
1117 /****************************************************************************
1118 Get my own domain name.
1119 ****************************************************************************/
1121 BOOL
get_mydnsdomname(fstring my_domname
)
1127 if (!get_mydnsfullname(domname
)) {
1130 p
= strchr_m(domname
, '.');
1133 fstrcpy(my_domname
, p
);
1139 /****************************************************************************
1140 Interpret a protocol description string, with a default.
1141 ****************************************************************************/
1143 int interpret_protocol(const char *str
,int def
)
1145 if (strequal(str
,"NT1"))
1146 return(PROTOCOL_NT1
);
1147 if (strequal(str
,"LANMAN2"))
1148 return(PROTOCOL_LANMAN2
);
1149 if (strequal(str
,"LANMAN1"))
1150 return(PROTOCOL_LANMAN1
);
1151 if (strequal(str
,"CORE"))
1152 return(PROTOCOL_CORE
);
1153 if (strequal(str
,"COREPLUS"))
1154 return(PROTOCOL_COREPLUS
);
1155 if (strequal(str
,"CORE+"))
1156 return(PROTOCOL_COREPLUS
);
1158 DEBUG(0,("Unrecognised protocol level %s\n",str
));
1163 /****************************************************************************
1164 Return true if a string could be a pure IP address.
1165 ****************************************************************************/
1167 BOOL
is_ipaddress(const char *str
)
1169 BOOL pure_address
= True
;
1172 for (i
=0; pure_address
&& str
[i
]; i
++)
1173 if (!(isdigit((int)str
[i
]) || str
[i
] == '.'))
1174 pure_address
= False
;
1176 /* Check that a pure number is not misinterpreted as an IP */
1177 pure_address
= pure_address
&& (strchr_m(str
, '.') != NULL
);
1179 return pure_address
;
1182 /****************************************************************************
1183 Interpret an internet address or name into an IP address in 4 byte form.
1184 ****************************************************************************/
1186 uint32
interpret_addr(const char *str
)
1191 if (strcmp(str
,"0.0.0.0") == 0)
1193 if (strcmp(str
,"255.255.255.255") == 0)
1196 /* if it's in the form of an IP address then get the lib to interpret it */
1197 if (is_ipaddress(str
)) {
1198 res
= inet_addr(str
);
1200 /* otherwise assume it's a network name of some sort and use
1201 sys_gethostbyname */
1202 if ((hp
= sys_gethostbyname(str
)) == 0) {
1203 DEBUG(3,("sys_gethostbyname: Unknown host. %s\n",str
));
1207 if(hp
->h_addr
== NULL
) {
1208 DEBUG(3,("sys_gethostbyname: host address is invalid for host %s\n",str
));
1211 putip((char *)&res
,(char *)hp
->h_addr
);
1214 if (res
== (uint32
)-1)
1220 /*******************************************************************
1221 A convenient addition to interpret_addr().
1222 ******************************************************************/
1224 struct in_addr
*interpret_addr2(const char *str
)
1226 static struct in_addr ret
;
1227 uint32 a
= interpret_addr(str
);
1232 /*******************************************************************
1233 Check if an IP is the 0.0.0.0.
1234 ******************************************************************/
1236 BOOL
is_zero_ip(struct in_addr ip
)
1239 putip((char *)&a
,(char *)&ip
);
1243 /*******************************************************************
1244 Set an IP to 0.0.0.0.
1245 ******************************************************************/
1247 void zero_ip(struct in_addr
*ip
)
1250 static struct in_addr ipzero
;
1253 ipzero
= *interpret_addr2("0.0.0.0");
1260 #if (defined(HAVE_NETGROUP) && defined(WITH_AUTOMOUNT))
1261 /******************************************************************
1262 Remove any mount options such as -rsize=2048,wsize=2048 etc.
1263 Based on a fix from <Thomas.Hepper@icem.de>.
1264 *******************************************************************/
1266 static void strip_mount_options( pstring
*str
)
1270 while(*p
&& !isspace(*p
))
1272 while(*p
&& isspace(*p
))
1277 pstrcpy(tmp_str
, p
);
1278 pstrcpy(*str
, tmp_str
);
1283 /*******************************************************************
1284 Patch from jkf@soton.ac.uk
1285 Split Luke's automount_server into YP lookup and string splitter
1286 so can easily implement automount_path().
1287 As we may end up doing both, cache the last YP result.
1288 *******************************************************************/
1290 #ifdef WITH_NISPLUS_HOME
1291 char *automount_lookup(const char *user_name
)
1293 static fstring last_key
= "";
1294 static pstring last_value
= "";
1296 char *nis_map
= (char *)lp_nis_home_map_name();
1298 char buffer
[NIS_MAXATTRVAL
+ 1];
1303 if (strcmp(user_name
, last_key
)) {
1304 slprintf(buffer
, sizeof(buffer
)-1, "[key=%s],%s", user_name
, nis_map
);
1305 DEBUG(5, ("NIS+ querystring: %s\n", buffer
));
1307 if (result
= nis_list(buffer
, FOLLOW_PATH
|EXPAND_NAME
|HARD_LOOKUP
, NULL
, NULL
)) {
1308 if (result
->status
!= NIS_SUCCESS
) {
1309 DEBUG(3, ("NIS+ query failed: %s\n", nis_sperrno(result
->status
)));
1310 fstrcpy(last_key
, ""); pstrcpy(last_value
, "");
1312 object
= result
->objects
.objects_val
;
1313 if (object
->zo_data
.zo_type
== ENTRY_OBJ
) {
1314 entry
= &object
->zo_data
.objdata_u
.en_data
;
1315 DEBUG(5, ("NIS+ entry type: %s\n", entry
->en_type
));
1316 DEBUG(3, ("NIS+ result: %s\n", entry
->en_cols
.en_cols_val
[1].ec_value
.ec_value_val
));
1318 pstrcpy(last_value
, entry
->en_cols
.en_cols_val
[1].ec_value
.ec_value_val
);
1319 pstring_sub(last_value
, "&", user_name
);
1320 fstrcpy(last_key
, user_name
);
1324 nis_freeresult(result
);
1327 strip_mount_options(&last_value
);
1329 DEBUG(4, ("NIS+ Lookup: %s resulted in %s\n", user_name
, last_value
));
1332 #else /* WITH_NISPLUS_HOME */
1334 char *automount_lookup(const char *user_name
)
1336 static fstring last_key
= "";
1337 static pstring last_value
= "";
1339 int nis_error
; /* returned by yp all functions */
1340 char *nis_result
; /* yp_match inits this */
1341 int nis_result_len
; /* and set this */
1342 char *nis_domain
; /* yp_get_default_domain inits this */
1343 char *nis_map
= (char *)lp_nis_home_map_name();
1345 if ((nis_error
= yp_get_default_domain(&nis_domain
)) != 0) {
1346 DEBUG(3, ("YP Error: %s\n", yperr_string(nis_error
)));
1350 DEBUG(5, ("NIS Domain: %s\n", nis_domain
));
1352 if (!strcmp(user_name
, last_key
)) {
1353 nis_result
= last_value
;
1354 nis_result_len
= strlen(last_value
);
1357 if ((nis_error
= yp_match(nis_domain
, nis_map
, user_name
, strlen(user_name
),
1358 &nis_result
, &nis_result_len
)) == 0) {
1359 fstrcpy(last_key
, user_name
);
1360 pstrcpy(last_value
, nis_result
);
1361 strip_mount_options(&last_value
);
1363 } else if(nis_error
== YPERR_KEY
) {
1365 /* If Key lookup fails user home server is not in nis_map
1366 use default information for server, and home directory */
1368 DEBUG(3, ("YP Key not found: while looking up \"%s\" in map \"%s\"\n",
1369 user_name
, nis_map
));
1370 DEBUG(3, ("using defaults for server and home directory\n"));
1372 DEBUG(3, ("YP Error: \"%s\" while looking up \"%s\" in map \"%s\"\n",
1373 yperr_string(nis_error
), user_name
, nis_map
));
1377 DEBUG(4, ("YP Lookup: %s resulted in %s\n", user_name
, last_value
));
1380 #endif /* WITH_NISPLUS_HOME */
1383 /*******************************************************************
1384 Are two IPs on the same subnet?
1385 ********************************************************************/
1387 BOOL
same_net(struct in_addr ip1
,struct in_addr ip2
,struct in_addr mask
)
1389 uint32 net1
,net2
,nmask
;
1391 nmask
= ntohl(mask
.s_addr
);
1392 net1
= ntohl(ip1
.s_addr
);
1393 net2
= ntohl(ip2
.s_addr
);
1395 return((net1
& nmask
) == (net2
& nmask
));
1399 /****************************************************************************
1400 Check if a process exists. Does this work on all unixes?
1401 ****************************************************************************/
1403 BOOL
process_exists(const struct process_id pid
)
1405 if (!procid_is_local(&pid
)) {
1406 /* This *SEVERELY* needs fixing. */
1410 /* Doing kill with a non-positive pid causes messages to be
1411 * sent to places we don't want. */
1412 SMB_ASSERT(pid
.pid
> 0);
1413 return(kill(pid
.pid
,0) == 0 || errno
!= ESRCH
);
1416 BOOL
process_exists_by_pid(pid_t pid
)
1418 return process_exists(pid_to_procid(pid
));
1421 /*******************************************************************
1422 Convert a uid into a user name.
1423 ********************************************************************/
1425 const char *uidtoname(uid_t uid
)
1427 static fstring name
;
1428 struct passwd
*pass
;
1430 pass
= getpwuid_alloc(uid
);
1432 fstrcpy(name
, pass
->pw_name
);
1435 slprintf(name
, sizeof(name
) - 1, "%ld",(long int)uid
);
1441 /*******************************************************************
1442 Convert a gid into a group name.
1443 ********************************************************************/
1445 char *gidtoname(gid_t gid
)
1447 static fstring name
;
1450 grp
= getgrgid(gid
);
1452 return(grp
->gr_name
);
1453 slprintf(name
,sizeof(name
) - 1, "%d",(int)gid
);
1457 /*******************************************************************
1458 Convert a user name into a uid.
1459 ********************************************************************/
1461 uid_t
nametouid(const char *name
)
1463 struct passwd
*pass
;
1467 pass
= getpwnam_alloc(name
);
1474 u
= (uid_t
)strtol(name
, &p
, 0);
1475 if ((p
!= name
) && (*p
== '\0'))
1481 /*******************************************************************
1482 Convert a name to a gid_t if possible. Return -1 if not a group.
1483 ********************************************************************/
1485 gid_t
nametogid(const char *name
)
1491 g
= (gid_t
)strtol(name
, &p
, 0);
1492 if ((p
!= name
) && (*p
== '\0'))
1495 grp
= sys_getgrnam(name
);
1497 return(grp
->gr_gid
);
1501 /*******************************************************************
1502 legacy wrapper for smb_panic2()
1503 ********************************************************************/
1504 void smb_panic( const char *why
)
1506 smb_panic2( why
, True
);
1509 /*******************************************************************
1510 Something really nasty happened - panic !
1511 ********************************************************************/
1513 #ifdef HAVE_LIBEXC_H
1517 void smb_panic2(const char *why
, BOOL decrement_pid_count
)
1521 #ifdef HAVE_BACKTRACE_SYMBOLS
1522 void *backtrace_stack
[BACKTRACE_STACK_SIZE
];
1523 size_t backtrace_size
;
1524 char **backtrace_strings
;
1530 if (global_clobber_region_function
) {
1531 DEBUG(0,("smb_panic: clobber_region() last called from [%s(%u)]\n",
1532 global_clobber_region_function
,
1533 global_clobber_region_line
));
1538 /* only smbd needs to decrement the smbd counter in connections.tdb */
1539 if ( decrement_pid_count
)
1540 decrement_smbd_process_count();
1542 cmd
= lp_panic_action();
1544 DEBUG(0, ("smb_panic(): calling panic action [%s]\n", cmd
));
1545 result
= system(cmd
);
1548 DEBUG(0, ("smb_panic(): fork failed in panic action: %s\n",
1551 DEBUG(0, ("smb_panic(): action returned status %d\n",
1552 WEXITSTATUS(result
)));
1554 DEBUG(0,("PANIC: %s\n", why
));
1556 #ifdef HAVE_BACKTRACE_SYMBOLS
1557 /* get the backtrace (stack frames) */
1558 backtrace_size
= backtrace(backtrace_stack
,BACKTRACE_STACK_SIZE
);
1559 backtrace_strings
= backtrace_symbols(backtrace_stack
, backtrace_size
);
1561 DEBUG(0, ("BACKTRACE: %lu stack frames:\n",
1562 (unsigned long)backtrace_size
));
1564 if (backtrace_strings
) {
1567 for (i
= 0; i
< backtrace_size
; i
++)
1568 DEBUGADD(0, (" #%u %s\n", i
, backtrace_strings
[i
]));
1570 /* Leak the backtrace_strings, rather than risk what free() might do */
1575 #define NAMESIZE 32 /* Arbitrary */
1577 /* The IRIX libexc library provides an API for unwinding the stack. See
1578 * libexc(3) for details. Apparantly trace_back_stack leaks memory, but
1579 * since we are about to abort anyway, it hardly matters.
1581 * Note that if we paniced due to a SIGSEGV or SIGBUS (or similar) this
1582 * will fail with a nasty message upon failing to open the /proc entry.
1585 __uint64_t addrs
[BACKTRACE_STACK_SIZE
];
1586 char * names
[BACKTRACE_STACK_SIZE
];
1587 char namebuf
[BACKTRACE_STACK_SIZE
* NAMESIZE
];
1594 ZERO_ARRAY(namebuf
);
1596 /* We need to be root so we can open our /proc entry to walk
1597 * our stack. It also helps when we want to dump core.
1601 for (i
= 0; i
< BACKTRACE_STACK_SIZE
; i
++) {
1602 names
[i
] = namebuf
+ (i
* NAMESIZE
);
1605 levels
= trace_back_stack(0, addrs
, names
,
1606 BACKTRACE_STACK_SIZE
, NAMESIZE
- 1);
1608 DEBUG(0, ("BACKTRACE: %d stack frames:\n", levels
));
1609 for (i
= 0; i
< levels
; i
++) {
1610 DEBUGADD(0, (" #%d 0x%llx %s\n", i
, addrs
[i
], names
[i
]));
1618 CatchSignal(SIGABRT
,SIGNAL_CAST SIG_DFL
);
1623 /*******************************************************************
1624 A readdir wrapper which just returns the file name.
1625 ********************************************************************/
1627 const char *readdirname(SMB_STRUCT_DIR
*p
)
1629 SMB_STRUCT_DIRENT
*ptr
;
1635 ptr
= (SMB_STRUCT_DIRENT
*)sys_readdir(p
);
1639 dname
= ptr
->d_name
;
1646 #ifdef HAVE_BROKEN_READDIR
1647 /* using /usr/ucb/cc is BAD */
1653 int len
= NAMLEN(ptr
);
1654 memcpy(buf
, dname
, len
);
1662 /*******************************************************************
1663 Utility function used to decide if the last component
1664 of a path matches a (possibly wildcarded) entry in a namelist.
1665 ********************************************************************/
1667 BOOL
is_in_path(const char *name
, name_compare_entry
*namelist
, BOOL case_sensitive
)
1669 pstring last_component
;
1672 /* if we have no list it's obviously not in the path */
1673 if((namelist
== NULL
) || ((namelist
!= NULL
) && (namelist
[0].name
== NULL
))) {
1677 DEBUG(8, ("is_in_path: %s\n", name
));
1679 /* Get the last component of the unix name. */
1680 p
= strrchr_m(name
, '/');
1681 pstrcpy(last_component
, p
? ++p
: name
);
1683 for(; namelist
->name
!= NULL
; namelist
++) {
1684 if(namelist
->is_wild
) {
1685 if (mask_match(last_component
, namelist
->name
, case_sensitive
)) {
1686 DEBUG(8,("is_in_path: mask match succeeded\n"));
1690 if((case_sensitive
&& (strcmp(last_component
, namelist
->name
) == 0))||
1691 (!case_sensitive
&& (StrCaseCmp(last_component
, namelist
->name
) == 0))) {
1692 DEBUG(8,("is_in_path: match succeeded\n"));
1697 DEBUG(8,("is_in_path: match not found\n"));
1702 /*******************************************************************
1703 Strip a '/' separated list into an array of
1704 name_compare_enties structures suitable for
1705 passing to is_in_path(). We do this for
1706 speed so we can pre-parse all the names in the list
1707 and don't do it for each call to is_in_path().
1708 namelist is modified here and is assumed to be
1709 a copy owned by the caller.
1710 We also check if the entry contains a wildcard to
1711 remove a potentially expensive call to mask_match
1713 ********************************************************************/
1715 void set_namearray(name_compare_entry
**ppname_array
, char *namelist
)
1718 char *nameptr
= namelist
;
1719 int num_entries
= 0;
1722 (*ppname_array
) = NULL
;
1724 if((nameptr
== NULL
) || ((nameptr
!= NULL
) && (*nameptr
== '\0')))
1727 /* We need to make two passes over the string. The
1728 first to count the number of elements, the second
1733 if ( *nameptr
== '/' ) {
1734 /* cope with multiple (useless) /s) */
1738 /* find the next / */
1739 name_end
= strchr_m(nameptr
, '/');
1741 /* oops - the last check for a / didn't find one. */
1742 if (name_end
== NULL
)
1745 /* next segment please */
1746 nameptr
= name_end
+ 1;
1750 if(num_entries
== 0)
1753 if(( (*ppname_array
) = SMB_MALLOC_ARRAY(name_compare_entry
, num_entries
+ 1)) == NULL
) {
1754 DEBUG(0,("set_namearray: malloc fail\n"));
1758 /* Now copy out the names */
1762 if ( *nameptr
== '/' ) {
1763 /* cope with multiple (useless) /s) */
1767 /* find the next / */
1768 if ((name_end
= strchr_m(nameptr
, '/')) != NULL
)
1771 /* oops - the last check for a / didn't find one. */
1772 if(name_end
== NULL
)
1775 (*ppname_array
)[i
].is_wild
= ms_has_wild(nameptr
);
1776 if(((*ppname_array
)[i
].name
= SMB_STRDUP(nameptr
)) == NULL
) {
1777 DEBUG(0,("set_namearray: malloc fail (1)\n"));
1781 /* next segment please */
1782 nameptr
= name_end
+ 1;
1786 (*ppname_array
)[i
].name
= NULL
;
1791 /****************************************************************************
1792 Routine to free a namearray.
1793 ****************************************************************************/
1795 void free_namearray(name_compare_entry
*name_array
)
1799 if(name_array
== NULL
)
1802 for(i
=0; name_array
[i
].name
!=NULL
; i
++)
1803 SAFE_FREE(name_array
[i
].name
);
1804 SAFE_FREE(name_array
);
1808 #define DBGC_CLASS DBGC_LOCKING
1810 /****************************************************************************
1811 Simple routine to do POSIX file locking. Cruft in NFS and 64->32 bit mapping
1812 is dealt with in posix.c
1813 ****************************************************************************/
1815 BOOL
fcntl_lock(int fd
, int op
, SMB_OFF_T offset
, SMB_OFF_T count
, int type
)
1817 SMB_STRUCT_FLOCK lock
;
1820 DEBUG(8,("fcntl_lock %d %d %.0f %.0f %d\n",fd
,op
,(double)offset
,(double)count
,type
));
1823 lock
.l_whence
= SEEK_SET
;
1824 lock
.l_start
= offset
;
1828 ret
= sys_fcntl_ptr(fd
,op
,&lock
);
1830 if (ret
== -1 && errno
!= 0)
1831 DEBUG(3,("fcntl_lock: fcntl lock gave errno %d (%s)\n",errno
,strerror(errno
)));
1834 if (op
== SMB_F_GETLK
) {
1836 (lock
.l_type
!= F_UNLCK
) &&
1837 (lock
.l_pid
!= 0) &&
1838 (lock
.l_pid
!= sys_getpid())) {
1839 DEBUG(3,("fcntl_lock: fd %d is locked by pid %d\n",fd
,(int)lock
.l_pid
));
1843 /* it must be not locked or locked by me */
1847 /* a lock set or unset */
1849 DEBUG(3,("fcntl_lock: lock failed at offset %.0f count %.0f op %d type %d (%s)\n",
1850 (double)offset
,(double)count
,op
,type
,strerror(errno
)));
1854 /* everything went OK */
1855 DEBUG(8,("fcntl_lock: Lock call successful\n"));
1861 #define DBGC_CLASS DBGC_ALL
1863 /*******************************************************************
1864 Is the name specified one of my netbios names.
1865 Returns true if it is equal, false otherwise.
1866 ********************************************************************/
1868 BOOL
is_myname(const char *s
)
1873 for (n
=0; my_netbios_names(n
); n
++) {
1874 if (strequal(my_netbios_names(n
), s
)) {
1879 DEBUG(8, ("is_myname(\"%s\") returns %d\n", s
, ret
));
1883 BOOL
is_myname_or_ipaddr(const char *s
)
1885 fstring name
, dnsname
;
1891 /* santize the string from '\\name' */
1895 servername
= strrchr_m( name
, '\\' );
1901 /* optimize for the common case */
1903 if (strequal(servername
, global_myname()))
1906 /* check for an alias */
1908 if (is_myname(servername
))
1911 /* check for loopback */
1913 if (strequal(servername
, "localhost"))
1916 /* maybe it's my dns name */
1918 if ( get_mydnsfullname( dnsname
) )
1919 if ( strequal( servername
, dnsname
) )
1922 /* handle possible CNAME records */
1924 if ( !is_ipaddress( servername
) ) {
1925 /* use DNS to resolve the name, but only the first address */
1928 if (((hp
= sys_gethostbyname(name
)) != NULL
) && (hp
->h_addr
!= NULL
)) {
1929 struct in_addr return_ip
;
1930 putip( (char*)&return_ip
, (char*)hp
->h_addr
);
1931 fstrcpy( name
, inet_ntoa( return_ip
) );
1936 /* maybe its an IP address? */
1937 if (is_ipaddress(servername
)) {
1938 struct iface_struct nics
[MAX_INTERFACES
];
1942 ip
= interpret_addr(servername
);
1943 if ((ip
==0) || (ip
==0xffffffff))
1946 n
= get_interfaces(nics
, MAX_INTERFACES
);
1947 for (i
=0; i
<n
; i
++) {
1948 if (ip
== nics
[i
].ip
.s_addr
)
1957 /*******************************************************************
1958 Is the name specified our workgroup/domain.
1959 Returns true if it is equal, false otherwise.
1960 ********************************************************************/
1962 BOOL
is_myworkgroup(const char *s
)
1966 if (strequal(s
, lp_workgroup())) {
1970 DEBUG(8, ("is_myworkgroup(\"%s\") returns %d\n", s
, ret
));
1974 /*******************************************************************
1975 we distinguish between 2K and XP by the "Native Lan Manager" string
1976 WinXP => "Windows 2002 5.1"
1977 Win2k => "Windows 2000 5.0"
1978 NT4 => "Windows NT 4.0"
1979 Win9x => "Windows 4.0"
1980 Windows 2003 doesn't set the native lan manager string but
1981 they do set the domain to "Windows 2003 5.2" (probably a bug).
1982 ********************************************************************/
1984 void ra_lanman_string( const char *native_lanman
)
1986 if ( strcmp( native_lanman
, "Windows 2002 5.1" ) == 0 )
1987 set_remote_arch( RA_WINXP
);
1988 else if ( strcmp( native_lanman
, "Windows Server 2003 5.2" ) == 0 )
1989 set_remote_arch( RA_WIN2K3
);
1992 /*******************************************************************
1993 Set the horrid remote_arch string based on an enum.
1994 ********************************************************************/
1996 void set_remote_arch(enum remote_arch_types type
)
2001 fstrcpy(remote_arch
, "WfWg");
2004 fstrcpy(remote_arch
, "OS2");
2007 fstrcpy(remote_arch
, "Win95");
2010 fstrcpy(remote_arch
, "WinNT");
2013 fstrcpy(remote_arch
, "Win2K");
2016 fstrcpy(remote_arch
, "WinXP");
2019 fstrcpy(remote_arch
, "Win2K3");
2022 fstrcpy(remote_arch
,"Samba");
2025 fstrcpy(remote_arch
,"CIFSFS");
2028 ra_type
= RA_UNKNOWN
;
2029 fstrcpy(remote_arch
, "UNKNOWN");
2033 DEBUG(10,("set_remote_arch: Client arch is \'%s\'\n", remote_arch
));
2036 /*******************************************************************
2037 Get the remote_arch type.
2038 ********************************************************************/
2040 enum remote_arch_types
get_remote_arch(void)
2045 void print_asc(int level
, const unsigned char *buf
,int len
)
2049 DEBUG(level
,("%c", isprint(buf
[i
])?buf
[i
]:'.'));
2052 void dump_data(int level
, const char *buf1
,int len
)
2054 const unsigned char *buf
= (const unsigned char *)buf1
;
2058 if (!DEBUGLVL(level
)) return;
2060 DEBUGADD(level
,("[%03X] ",i
));
2062 DEBUGADD(level
,("%02X ",(int)buf
[i
]));
2064 if (i
%8 == 0) DEBUGADD(level
,(" "));
2066 print_asc(level
,&buf
[i
-16],8); DEBUGADD(level
,(" "));
2067 print_asc(level
,&buf
[i
-8],8); DEBUGADD(level
,("\n"));
2068 if (i
<len
) DEBUGADD(level
,("[%03X] ",i
));
2074 DEBUGADD(level
,(" "));
2075 if (n
>8) DEBUGADD(level
,(" "));
2076 while (n
--) DEBUGADD(level
,(" "));
2078 print_asc(level
,&buf
[i
-(i
%16)],n
); DEBUGADD(level
,( " " ));
2080 if (n
>0) print_asc(level
,&buf
[i
-n
],n
);
2081 DEBUGADD(level
,("\n"));
2085 void dump_data_pw(const char *msg
, const uchar
* data
, size_t len
)
2087 #ifdef DEBUG_PASSWORD
2088 DEBUG(11, ("%s", msg
));
2089 if (data
!= NULL
&& len
> 0)
2091 dump_data(11, (const char *)data
, len
);
2096 char *tab_depth(int depth
)
2098 static pstring spaces
;
2099 memset(spaces
, ' ', depth
* 4);
2100 spaces
[depth
* 4] = 0;
2104 /*****************************************************************************
2105 Provide a checksum on a string
2107 Input: s - the null-terminated character string for which the checksum
2110 Output: The checksum value calculated for s.
2111 *****************************************************************************/
2113 int str_checksum(const char *s
)
2121 res
^= (c
<< (i
% 15)) ^ (c
>> (15-(i
%15)));
2128 /*****************************************************************
2129 Zero a memory area then free it. Used to catch bugs faster.
2130 *****************************************************************/
2132 void zero_free(void *p
, size_t size
)
2138 /*****************************************************************
2139 Set our open file limit to a requested max and return the limit.
2140 *****************************************************************/
2142 int set_maxfiles(int requested_max
)
2144 #if (defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE))
2146 int saved_current_limit
;
2148 if(getrlimit(RLIMIT_NOFILE
, &rlp
)) {
2149 DEBUG(0,("set_maxfiles: getrlimit (1) for RLIMIT_NOFILE failed with error %s\n",
2152 return requested_max
;
2156 * Set the fd limit to be real_max_open_files + MAX_OPEN_FUDGEFACTOR to
2157 * account for the extra fd we need
2158 * as well as the log files and standard
2159 * handles etc. Save the limit we want to set in case
2160 * we are running on an OS that doesn't support this limit (AIX)
2161 * which always returns RLIM_INFINITY for rlp.rlim_max.
2164 /* Try raising the hard (max) limit to the requested amount. */
2166 #if defined(RLIM_INFINITY)
2167 if (rlp
.rlim_max
!= RLIM_INFINITY
) {
2168 int orig_max
= rlp
.rlim_max
;
2170 if ( rlp
.rlim_max
< requested_max
)
2171 rlp
.rlim_max
= requested_max
;
2173 /* This failing is not an error - many systems (Linux) don't
2174 support our default request of 10,000 open files. JRA. */
2176 if(setrlimit(RLIMIT_NOFILE
, &rlp
)) {
2177 DEBUG(3,("set_maxfiles: setrlimit for RLIMIT_NOFILE for %d max files failed with error %s\n",
2178 (int)rlp
.rlim_max
, strerror(errno
) ));
2180 /* Set failed - restore original value from get. */
2181 rlp
.rlim_max
= orig_max
;
2186 /* Now try setting the soft (current) limit. */
2188 saved_current_limit
= rlp
.rlim_cur
= MIN(requested_max
,rlp
.rlim_max
);
2190 if(setrlimit(RLIMIT_NOFILE
, &rlp
)) {
2191 DEBUG(0,("set_maxfiles: setrlimit for RLIMIT_NOFILE for %d files failed with error %s\n",
2192 (int)rlp
.rlim_cur
, strerror(errno
) ));
2194 return saved_current_limit
;
2197 if(getrlimit(RLIMIT_NOFILE
, &rlp
)) {
2198 DEBUG(0,("set_maxfiles: getrlimit (2) for RLIMIT_NOFILE failed with error %s\n",
2201 return saved_current_limit
;
2204 #if defined(RLIM_INFINITY)
2205 if(rlp
.rlim_cur
== RLIM_INFINITY
)
2206 return saved_current_limit
;
2209 if((int)rlp
.rlim_cur
> saved_current_limit
)
2210 return saved_current_limit
;
2212 return rlp
.rlim_cur
;
2213 #else /* !defined(HAVE_GETRLIMIT) || !defined(RLIMIT_NOFILE) */
2215 * No way to know - just guess...
2217 return requested_max
;
2221 /*****************************************************************
2222 Possibly replace mkstemp if it is broken.
2223 *****************************************************************/
2225 int smb_mkstemp(char *name_template
)
2227 #if HAVE_SECURE_MKSTEMP
2228 return mkstemp(name_template
);
2230 /* have a reasonable go at emulating it. Hope that
2231 the system mktemp() isn't completly hopeless */
2232 char *p
= mktemp(name_template
);
2235 return open(p
, O_CREAT
|O_EXCL
|O_RDWR
, 0600);
2239 /*****************************************************************
2240 malloc that aborts with smb_panic on fail or zero size.
2241 *****************************************************************/
2243 void *smb_xmalloc_array(size_t size
, unsigned int count
)
2247 smb_panic("smb_xmalloc_array: called with zero size.\n");
2248 if (count
>= MAX_ALLOC_SIZE
/size
) {
2249 smb_panic("smb_xmalloc: alloc size too large.\n");
2251 if ((p
= SMB_MALLOC(size
*count
)) == NULL
) {
2252 DEBUG(0, ("smb_xmalloc_array failed to allocate %lu * %lu bytes\n",
2253 (unsigned long)size
, (unsigned long)count
));
2254 smb_panic("smb_xmalloc_array: malloc fail.\n");
2260 Memdup with smb_panic on fail.
2263 void *smb_xmemdup(const void *p
, size_t size
)
2266 p2
= SMB_XMALLOC_ARRAY(unsigned char,size
);
2267 memcpy(p2
, p
, size
);
2272 strdup that aborts on malloc fail.
2275 char *smb_xstrdup(const char *s
)
2277 #if defined(PARANOID_MALLOC_CHECKER)
2282 char *s1
= strdup(s
);
2283 #if defined(PARANOID_MALLOC_CHECKER)
2284 #define strdup(s) __ERROR_DONT_USE_STRDUP_DIRECTLY
2287 smb_panic("smb_xstrdup: malloc fail\n");
2293 strndup that aborts on malloc fail.
2296 char *smb_xstrndup(const char *s
, size_t n
)
2298 #if defined(PARANOID_MALLOC_CHECKER)
2303 char *s1
= strndup(s
, n
);
2304 #if defined(PARANOID_MALLOC_CHECKER)
2305 #define strndup(s,n) __ERROR_DONT_USE_STRNDUP_DIRECTLY
2308 smb_panic("smb_xstrndup: malloc fail\n");
2313 vasprintf that aborts on malloc fail
2316 int smb_xvasprintf(char **ptr
, const char *format
, va_list ap
)
2323 n
= vasprintf(ptr
, format
, ap2
);
2324 if (n
== -1 || ! *ptr
)
2325 smb_panic("smb_xvasprintf: out of memory");
2329 /*****************************************************************
2330 Like strdup but for memory.
2331 *****************************************************************/
2333 void *memdup(const void *p
, size_t size
)
2338 p2
= SMB_MALLOC(size
);
2341 memcpy(p2
, p
, size
);
2345 /*****************************************************************
2346 Get local hostname and cache result.
2347 *****************************************************************/
2349 char *myhostname(void)
2357 /*****************************************************************
2358 A useful function for returning a path in the Samba lock directory.
2359 *****************************************************************/
2361 char *lock_path(const char *name
)
2363 static pstring fname
;
2365 pstrcpy(fname
,lp_lockdir());
2366 trim_char(fname
,'\0','/');
2368 if (!directory_exist(fname
,NULL
))
2372 pstrcat(fname
,name
);
2377 /*****************************************************************
2378 A useful function for returning a path in the Samba pid directory.
2379 *****************************************************************/
2381 char *pid_path(const char *name
)
2383 static pstring fname
;
2385 pstrcpy(fname
,lp_piddir());
2386 trim_char(fname
,'\0','/');
2388 if (!directory_exist(fname
,NULL
))
2392 pstrcat(fname
,name
);
2398 * @brief Returns an absolute path to a file in the Samba lib directory.
2400 * @param name File to find, relative to LIBDIR.
2402 * @retval Pointer to a static #pstring containing the full path.
2405 char *lib_path(const char *name
)
2407 static pstring fname
;
2408 fstr_sprintf(fname
, "%s/%s", dyn_LIBDIR
, name
);
2413 * @brief Returns the platform specific shared library extension.
2415 * @retval Pointer to a static #fstring containing the extension.
2418 const char *shlib_ext(void)
2420 return dyn_SHLIBEXT
;
2423 /*******************************************************************
2424 Given a filename - get its directory name
2425 NB: Returned in static storage. Caveats:
2426 o Not safe in thread environment.
2427 o Caller must not free.
2428 o If caller wishes to preserve, they should copy.
2429 ********************************************************************/
2431 char *parent_dirname(const char *path
)
2433 static pstring dirpath
;
2439 pstrcpy(dirpath
, path
);
2440 p
= strrchr_m(dirpath
, '/'); /* Find final '/', if any */
2442 pstrcpy(dirpath
, "."); /* No final "/", so dir is "." */
2445 ++p
; /* For root "/", leave "/" in place */
2452 /*******************************************************************
2453 Determine if a pattern contains any Microsoft wildcard characters.
2454 *******************************************************************/
2456 BOOL
ms_has_wild(const char *s
)
2460 if (lp_posix_pathnames()) {
2461 /* With posix pathnames no characters are wild. */
2465 while ((c
= *s
++)) {
2478 BOOL
ms_has_wild_w(const smb_ucs2_t
*s
)
2481 if (!s
) return False
;
2482 while ((c
= *s
++)) {
2484 case UCS2_CHAR('*'):
2485 case UCS2_CHAR('?'):
2486 case UCS2_CHAR('<'):
2487 case UCS2_CHAR('>'):
2488 case UCS2_CHAR('"'):
2495 /*******************************************************************
2496 A wrapper that handles case sensitivity and the special handling
2498 *******************************************************************/
2500 BOOL
mask_match(const char *string
, char *pattern
, BOOL is_case_sensitive
)
2502 if (strcmp(string
,"..") == 0)
2504 if (strcmp(pattern
,".") == 0)
2507 return ms_fnmatch(pattern
, string
, Protocol
<= PROTOCOL_LANMAN2
, is_case_sensitive
) == 0;
2510 /*******************************************************************
2511 A wrapper that handles case sensitivity and the special handling
2512 of the ".." name. Varient that is only called by old search code which requires
2513 pattern translation.
2514 *******************************************************************/
2516 BOOL
mask_match_search(const char *string
, char *pattern
, BOOL is_case_sensitive
)
2518 if (strcmp(string
,"..") == 0)
2520 if (strcmp(pattern
,".") == 0)
2523 return ms_fnmatch(pattern
, string
, True
, is_case_sensitive
) == 0;
2526 /*******************************************************************
2527 A wrapper that handles a list of patters and calls mask_match()
2528 on each. Returns True if any of the patterns match.
2529 *******************************************************************/
2531 BOOL
mask_match_list(const char *string
, char **list
, int listLen
, BOOL is_case_sensitive
)
2533 while (listLen
-- > 0) {
2534 if (mask_match(string
, *list
++, is_case_sensitive
))
2540 /*********************************************************
2541 Recursive routine that is called by unix_wild_match.
2542 *********************************************************/
2544 static BOOL
unix_do_match(const char *regexp
, const char *str
)
2548 for( p
= regexp
; *p
&& *str
; ) {
2559 * Look for a character matching
2560 * the one after the '*'.
2564 return True
; /* Automatic match */
2567 while(*str
&& (*p
!= *str
))
2571 * Patch from weidel@multichart.de. In the case of the regexp
2572 * '*XX*' we want to ensure there are at least 2 'X' characters
2573 * in the string after the '*' for a match to be made.
2580 * Eat all the characters that match, but count how many there were.
2583 while(*str
&& (*p
== *str
)) {
2589 * Now check that if the regexp had n identical characters that
2590 * matchcount had at least that many matches.
2593 while ( *(p
+1) && (*(p
+1) == *p
)) {
2598 if ( matchcount
<= 0 )
2602 str
--; /* We've eaten the match char after the '*' */
2604 if(unix_do_match(p
, str
))
2626 if (!*p
&& str
[0] == '.' && str
[1] == 0)
2629 if (!*str
&& *p
== '?') {
2635 if(!*str
&& (*p
== '*' && p
[1] == '\0'))
2641 /*******************************************************************
2642 Simple case insensitive interface to a UNIX wildcard matcher.
2643 Returns True if match, False if not.
2644 *******************************************************************/
2646 BOOL
unix_wild_match(const char *pattern
, const char *string
)
2651 pstrcpy(p2
, pattern
);
2652 pstrcpy(s2
, string
);
2656 /* Remove any *? and ** from the pattern as they are meaningless */
2657 for(p
= p2
; *p
; p
++)
2658 while( *p
== '*' && (p
[1] == '?' ||p
[1] == '*'))
2659 pstrcpy( &p
[1], &p
[2]);
2661 if (strequal(p2
,"*"))
2664 return unix_do_match(p2
, s2
);
2667 /**********************************************************************
2668 Converts a name to a fully qalified domain name.
2669 ***********************************************************************/
2671 void name_to_fqdn(fstring fqdn
, const char *name
)
2673 struct hostent
*hp
= sys_gethostbyname(name
);
2674 if ( hp
&& hp
->h_name
&& *hp
->h_name
) {
2675 DEBUG(10,("name_to_fqdn: lookup for %s -> %s.\n", name
, hp
->h_name
));
2676 fstrcpy(fqdn
,hp
->h_name
);
2678 DEBUG(10,("name_to_fqdn: lookup for %s failed.\n", name
));
2679 fstrcpy(fqdn
, name
);
2683 /**********************************************************************
2684 Extension to talloc_get_type: Abort on type mismatch
2685 ***********************************************************************/
2687 void *talloc_check_name_abort(const void *ptr
, const char *name
)
2694 result
= talloc_check_name(ptr
, name
);
2698 DEBUG(0, ("Talloc type mismatch, expected %s, got %s\n",
2699 name
, talloc_get_name(ptr
)));
2700 smb_panic("aborting");
2701 /* Keep the compiler happy */
2708 /*******************************************************************
2709 This routine is a trick to immediately catch errors when debugging
2710 with insure. A xterm with a gdb is popped up when insure catches
2711 a error. It is Linux specific.
2712 ********************************************************************/
2714 int _Insure_trap_error(int a1
, int a2
, int a3
, int a4
, int a5
, int a6
)
2719 /* you can get /usr/bin/backtrace from
2720 http://samba.org/ftp/unpacked/junkcode/backtrace */
2721 pstring cmd
= "/usr/bin/backtrace %d";
2723 slprintf(pidstr
, sizeof(pidstr
)-1, "%d", sys_getpid());
2724 pstring_sub(cmd
, "%d", pidstr
);
2728 h
= dlopen("/usr/local/parasoft/insure++lite/lib.linux2/libinsure.so", RTLD_LAZY
);
2729 fn
= dlsym(h
, "_Insure_trap_error");
2731 if (!h
|| h
== _Insure_trap_error
) {
2732 h
= dlopen("/usr/local/parasoft/lib.linux2/libinsure.so", RTLD_LAZY
);
2733 fn
= dlsym(h
, "_Insure_trap_error");
2737 ret
= fn(a1
, a2
, a3
, a4
, a5
, a6
);
2745 uint32
map_share_mode_to_deny_mode(uint32 share_access
, uint32 private_options
)
2747 switch (share_access
& ~FILE_SHARE_DELETE
) {
2748 case FILE_SHARE_NONE
:
2750 case FILE_SHARE_READ
:
2752 case FILE_SHARE_WRITE
:
2754 case FILE_SHARE_READ
|FILE_SHARE_WRITE
:
2757 if (private_options
& NTCREATEX_OPTIONS_PRIVATE_DENY_DOS
) {
2759 } else if (private_options
& NTCREATEX_OPTIONS_PRIVATE_DENY_FCB
) {
2766 pid_t
procid_to_pid(const struct process_id
*proc
)
2771 struct process_id
pid_to_procid(pid_t pid
)
2773 struct process_id result
;
2778 struct process_id
procid_self(void)
2780 return pid_to_procid(sys_getpid());
2783 BOOL
procid_equal(const struct process_id
*p1
, const struct process_id
*p2
)
2785 return (p1
->pid
== p2
->pid
);
2788 BOOL
procid_is_me(const struct process_id
*pid
)
2790 return (pid
->pid
== sys_getpid());
2793 struct process_id
interpret_pid(const char *pid_string
)
2795 return pid_to_procid(atoi(pid_string
));
2798 char *procid_str_static(const struct process_id
*pid
)
2801 fstr_sprintf(str
, "%d", pid
->pid
);
2805 char *procid_str(TALLOC_CTX
*mem_ctx
, const struct process_id
*pid
)
2807 return talloc_strdup(mem_ctx
, procid_str_static(pid
));
2810 BOOL
procid_valid(const struct process_id
*pid
)
2812 return (pid
->pid
!= -1);
2815 BOOL
procid_is_local(const struct process_id
*pid
)