2 Unix SMB/CIFS implementation.
3 Utility functions for Samba
4 Copyright (C) Andrew Tridgell 1992-1999
5 Copyright (C) Jelmer Vernooij 2005
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #ifndef _SAMBA_UTIL_H_
22 #define _SAMBA_UTIL_H_
24 #include "lib/util/charset/charset.h"
25 #include "lib/util/attr.h"
32 * @brief Helpful macros
37 extern const char *panic_action;
39 #include "lib/util/time.h"
40 #include "lib/util/data_blob.h"
41 #include "lib/util/xfile.h"
42 #include "lib/util/byteorder.h"
43 #include "lib/util/talloc_stack.h"
49 #define SMB_ASSERT(b) do { if (!(b)) { \
50 DEBUG(0,("PANIC: assert failed at %s(%d): %s\n", \
51 __FILE__, __LINE__, #b)); smb_panic("assert failed: " #b); }} while(0)
53 /* redefine the assert macro for non-developer builds */
54 #define SMB_ASSERT(b) do { if (!(b)) { \
55 DEBUG(0,("PANIC: assert failed at %s(%d): %s\n", \
56 __FILE__, __LINE__, #b)); }} while (0)
60 #define ABS(a) ((a)>0?(a):(-(a)))
63 #include "lib/util/memory.h"
65 #include "lib/util/string_wrappers.h"
68 * Write backtrace to debug log
70 _PUBLIC_ void call_backtrace(void);
73 Something really nasty happened - panic !
75 typedef void (*smb_panic_handler_t)(const char *why);
77 _PUBLIC_ void fault_configure(smb_panic_handler_t panic_handler);
78 _PUBLIC_ void fault_setup(void);
79 _PUBLIC_ void fault_setup_disable(void);
80 _PUBLIC_ void dump_core_setup(const char *progname, const char *logfile);
81 _PUBLIC_ void smb_panic(const char *reason);
85 register a fault handler.
86 Should only be called once in the execution of smbd.
88 _PUBLIC_ bool register_fault_handler(const char *name, void (*fault_handler)(int sig));
90 /* The following definitions come from lib/util/signal.c */
96 void BlockSignals(bool block, int signum);
99 Catch a signal. This should implement the following semantics:
101 1) The handler remains installed after being called.
102 2) The signal should be blocked during handler execution.
104 void (*CatchSignal(int signum,void (*handler)(int )))(int);
107 Ignore SIGCLD via whatever means is necessary for this OS.
109 void CatchChild(void);
112 Catch SIGCLD but leave the child around so it's status can be reaped.
114 void CatchChildLeaveStatus(void);
116 /* The following definitions come from lib/util/system.c */
118 void *sys_memalign( size_t align, size_t size );
120 /**************************************************************************
121 A wrapper for gethostbyname() that tries avoids looking up hostnames
122 in the root domain, which can cause dial-on-demand links to come up for no
124 ****************************************************************************/
125 _PUBLIC_ struct hostent *sys_gethostbyname(const char *name);
126 _PUBLIC_ struct in_addr sys_inet_makeaddr(int net, int host);
129 * Wrapper for fork used to invalid pid cache.
131 _PUBLIC_ pid_t sys_fork(void);
134 * Wrapper for getpid. Ensures we only do a system call *once*.
136 _PUBLIC_ pid_t sys_getpid(void);
138 _PUBLIC_ int sys_getpeereid( int s, uid_t *uid);
142 _PUBLIC_ int sys_getnameinfo(const struct sockaddr *psa,
149 _PUBLIC_ int sys_connect(int fd, const struct sockaddr * addr);
151 /* The following definitions come from lib/util/genrand.c */
153 Copy any user given reseed data.
155 _PUBLIC_ void set_rand_reseed_callback(void (*fn)(void *, int *), void *);
158 * Tell the random number generator it needs to reseed.
160 _PUBLIC_ void set_need_random_reseed(void);
163 Interface to the (hopefully) good crypto random number generator.
164 Will use our internal PRNG if more than 40 bytes of random generation
165 has been requested, otherwise tries to read from /dev/random
167 _PUBLIC_ void generate_random_buffer(uint8_t *out, int len);
170 Interface to the (hopefully) good crypto random number generator.
171 Will always use /dev/urandom if available.
173 _PUBLIC_ void generate_secret_buffer(uint8_t *out, int len);
176 generate a single random uint32_t
178 _PUBLIC_ uint32_t generate_random(void);
181 very basic password quality checker
183 _PUBLIC_ bool check_password_quality(const char *s);
186 * Generate a random text password.
188 _PUBLIC_ char *generate_random_password(TALLOC_CTX *mem_ctx, size_t min, size_t max);
191 Use the random number generator to generate a random string.
193 _PUBLIC_ char *generate_random_str_list(TALLOC_CTX *mem_ctx, size_t len, const char *list);
196 * Generate a random text string consisting of the specified length.
197 * The returned string will be allocated.
199 * Characters used are: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+_-#.,
201 _PUBLIC_ char *generate_random_str(TALLOC_CTX *mem_ctx, size_t len);
204 * Generate an array of unique text strings all of the same length.
205 * The returned strings will be allocated.
206 * Returns NULL if the number of unique combinations cannot be created.
208 * Characters used are: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+_-#.,
210 _PUBLIC_ char** generate_unique_strs(TALLOC_CTX *mem_ctx, size_t len,
213 /* The following definitions come from lib/util/dprintf.c */
215 _PUBLIC_ int d_fprintf(FILE *f, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
216 _PUBLIC_ int d_printf(const char *format, ...) PRINTF_ATTRIBUTE(1,2);
217 _PUBLIC_ void display_set_stderr(void);
219 /* The following definitions come from lib/util/util_str.c */
221 bool next_token_talloc(TALLOC_CTX *ctx,
227 * Get the next token from a string, return false if none found. Handles
228 * double-quotes. This version does not trim leading separator characters
229 * before looking for a token.
231 bool next_token_no_ltrim_talloc(TALLOC_CTX *ctx,
238 Trim the specified elements off the front and back of a string.
240 _PUBLIC_ bool trim_string(char *s, const char *front, const char *back);
243 Find the number of 'c' chars in a string
245 _PUBLIC_ _PURE_ size_t count_chars(const char *s, char c);
248 Routine to get hex characters and turn them into a 16 byte array.
249 the array can be variable length, and any non-hex-numeric
250 characters are skipped. "0xnn" or "0Xnn" is specially catered
253 valid examples: "0A5D15"; "0x15, 0x49, 0xa2"; "59\ta9\te3\n"
257 _PUBLIC_ size_t strhex_to_str(char *p, size_t p_len, const char *strhex, size_t strhex_len);
260 * Parse a hex string and return a data blob.
262 _PUBLIC_ _PURE_ DATA_BLOB strhex_to_data_blob(TALLOC_CTX *mem_ctx, const char *strhex) ;
265 * Routine to print a buffer as HEX digits, into an allocated string.
267 _PUBLIC_ void hex_encode(const unsigned char *buff_in, size_t len, char **out_hex_buffer);
270 * talloc version of hex_encode()
272 _PUBLIC_ char *hex_encode_talloc(TALLOC_CTX *mem_ctx, const unsigned char *buff_in, size_t len);
275 Substitute a string for a pattern in another string. Make sure there is
278 This routine looks for pattern in s and replaces it with
279 insert. It may do multiple replacements.
281 Any of " ; ' $ or ` in the insert string are replaced with _
282 if len==0 then the string cannot be extended. This is different from the old
283 use of len==0 which was for no length checks to be done.
285 _PUBLIC_ void string_sub(char *s,const char *pattern, const char *insert, size_t len);
287 _PUBLIC_ void string_sub_once(char *s, const char *pattern,
288 const char *insert, size_t len);
290 _PUBLIC_ char *string_sub_talloc(TALLOC_CTX *mem_ctx, const char *s,
291 const char *pattern, const char *insert);
294 Similar to string_sub() but allows for any character to be substituted.
296 if len==0 then the string cannot be extended. This is different from the old
297 use of len==0 which was for no length checks to be done.
299 _PUBLIC_ void all_string_sub(char *s,const char *pattern,const char *insert, size_t len);
302 Unescape a URL encoded string, in place.
304 _PUBLIC_ void rfc1738_unescape(char *buf);
309 * Returns a static buffer that contains the RFC
310 * 1738 compliant, escaped version of the given url. (escapes unsafe and % characters)
312 _PUBLIC_ char *rfc1738_escape(TALLOC_CTX *mem_ctx, const char *url);
315 * rfc1738_escape_unescaped
317 * Returns a static buffer that contains
318 * the RFC 1738 compliant, escaped version of the given url (escapes unsafe chars only)
320 _PUBLIC_ char *rfc1738_escape_unescaped(TALLOC_CTX *mem_ctx, const char *url);
323 * rfc1738_escape_part
324 * Returns a static buffer that contains the RFC
325 * 1738 compliant, escaped version of the given url segment. (escapes
326 * unsafe, reserved and % chars) It would mangle the :// in http://,
327 * and mangle paths (because of /).
329 _PUBLIC_ char *rfc1738_escape_part(TALLOC_CTX *mem_ctx, const char *url);
332 format a string into length-prefixed dotted domain format, as used in NBT
333 and in some ADS structures
335 _PUBLIC_ const char *str_format_nbt_domain(TALLOC_CTX *mem_ctx, const char *s);
338 * Add a string to an array of strings.
340 * num should be a pointer to an integer that holds the current
341 * number of elements in strings. It will be updated by this function.
343 _PUBLIC_ bool add_string_to_array(TALLOC_CTX *mem_ctx,
344 const char *str, const char ***strings, int *num);
347 varient of strcmp() that handles NULL ptrs
349 _PUBLIC_ int strcmp_safe(const char *s1, const char *s2);
352 return the number of bytes occupied by a buffer in ASCII format
353 the result includes the null termination
356 _PUBLIC_ size_t ascii_len_n(const char *src, size_t n);
359 Set a boolean variable from the text value stored in the passed string.
360 Returns true in success, false if the passed string does not correctly
363 _PUBLIC_ bool set_boolean(const char *boolean_string, bool *boolean);
366 * Parse a string containing a boolean value.
368 * val will be set to the read value.
370 * @retval true if a boolean value was parsed, false otherwise.
372 _PUBLIC_ bool conv_str_bool(const char * str, bool * val);
375 * Convert a size specification like 16K into an integral number of bytes.
377 _PUBLIC_ bool conv_str_size_error(const char * str, uint64_t * val);
380 * Parse a uint64_t value from a string
382 * val will be set to the value read.
384 * @retval true if parsing was successful, false otherwise
386 _PUBLIC_ bool conv_str_u64(const char * str, uint64_t * val);
389 return the number of bytes occupied by a buffer in CH_UTF16 format
390 the result includes the null termination
392 _PUBLIC_ size_t utf16_len(const void *buf);
395 return the number of bytes occupied by a buffer in CH_UTF16 format
396 the result includes the null termination
399 _PUBLIC_ size_t utf16_len_n(const void *src, size_t n);
400 _PUBLIC_ size_t ucs2_align(const void *base_ptr, const void *p, int flags);
403 Do a case-insensitive, whitespace-ignoring string compare.
405 _PUBLIC_ int strwicmp(const char *psz1, const char *psz2);
410 _PUBLIC_ void string_replace(char *s, char oldc, char newc);
413 Base64 decode a string, place into a data blob. Caller to data_blob_free() the result.
415 _PUBLIC_ DATA_BLOB base64_decode_data_blob(const char *s);
417 Base64 decode a string, inplace
419 _PUBLIC_ void base64_decode_inplace(char *s);
421 Base64 encode a binary data blob into a string
423 _PUBLIC_ char *base64_encode_data_blob(TALLOC_CTX *mem_ctx, DATA_BLOB data);
428 * @note The comparison is case-insensitive.
430 _PUBLIC_ bool strequal(const char *s1, const char *s2);
432 /* The following definitions come from lib/util/util_strlist.c */
434 /* separators for lists */
436 #define LIST_SEP " \t,\n\r"
440 build an empty (only NULL terminated) list of strings (for expansion with str_list_add() etc)
442 _PUBLIC_ char **str_list_make_empty(TALLOC_CTX *mem_ctx);
445 place the only element 'entry' into a new, NULL terminated string list
447 _PUBLIC_ char **str_list_make_single(TALLOC_CTX *mem_ctx,
451 build a null terminated list of strings from a input string and a
452 separator list. The separator list must contain characters less than
453 or equal to 0x2f for this to work correctly on multi-byte strings
455 _PUBLIC_ char **str_list_make(TALLOC_CTX *mem_ctx, const char *string,
459 * build a null terminated list of strings from an argv-like input string
460 * Entries are separated by spaces and can be enclosed by quotes.
461 * Does NOT support escaping
463 _PUBLIC_ char **str_list_make_shell(TALLOC_CTX *mem_ctx, const char *string, const char *sep);
466 * join a list back to one string
468 _PUBLIC_ char *str_list_join(TALLOC_CTX *mem_ctx, const char **list, char separator);
470 /** join a list back to one (shell-like) string; entries
471 * separated by spaces, using quotes where necessary */
472 _PUBLIC_ char *str_list_join_shell(TALLOC_CTX *mem_ctx, const char **list, char sep);
475 return the number of elements in a string list
477 _PUBLIC_ size_t str_list_length(const char * const *list);
482 _PUBLIC_ char **str_list_copy(TALLOC_CTX *mem_ctx, const char **list);
485 Return true if all the elements of the list match exactly.
487 _PUBLIC_ bool str_list_equal(const char * const *list1, const char * const *list2);
490 add an entry to a string list
492 _PUBLIC_ const char **str_list_add(const char **list, const char *s);
495 remove an entry from a string list
497 _PUBLIC_ void str_list_remove(const char **list, const char *s);
500 return true if a string is in a list
502 _PUBLIC_ bool str_list_check(const char **list, const char *s);
505 return true if a string is in a list, case insensitively
507 _PUBLIC_ bool str_list_check_ci(const char **list, const char *s);
509 append one list to another - expanding list1
511 _PUBLIC_ const char **str_list_append(const char **list1,
512 const char * const *list2);
515 remove duplicate elements from a list
517 _PUBLIC_ const char **str_list_unique(const char **list);
520 very useful when debugging complex list related code
522 _PUBLIC_ void str_list_show(const char **list);
526 append one list to another - expanding list1
527 this assumes the elements of list2 are const pointers, so we can re-use them
529 _PUBLIC_ const char **str_list_append_const(const char **list1,
533 add an entry to a string list
534 this assumes s will not change
536 _PUBLIC_ const char **str_list_add_const(const char **list, const char *s);
540 this assumes list will not change
542 _PUBLIC_ const char **str_list_copy_const(TALLOC_CTX *mem_ctx,
546 * Needed for making an "unconst" list "const"
548 _PUBLIC_ const char **const_str_list(char **list);
551 /* The following definitions come from lib/util/util_file.c */
555 read a line from a file with possible \ continuation chars.
556 Blanks at the start or end of a line are stripped.
557 The string will be allocated if s2 is NULL
559 _PUBLIC_ char *fgets_slash(char *s2,int maxlen,XFILE *f);
562 * Read one line (data until next newline or eof) and allocate it
564 _PUBLIC_ char *afdgets(int fd, TALLOC_CTX *mem_ctx, size_t hint);
567 load a file into memory from a fd.
569 _PUBLIC_ char *fd_load(int fd, size_t *size, size_t maxsize, TALLOC_CTX *mem_ctx);
572 char **file_lines_parse(char *p, size_t size, int *numlines, TALLOC_CTX *mem_ctx);
575 load a file into memory
577 _PUBLIC_ char *file_load(const char *fname, size_t *size, size_t maxsize, TALLOC_CTX *mem_ctx);
580 mmap (if possible) or read a file
582 _PUBLIC_ void *map_file(const char *fname, size_t size);
585 load a file into memory and return an array of pointers to lines in the file
586 must be freed with talloc_free().
588 _PUBLIC_ char **file_lines_load(const char *fname, int *numlines, size_t maxsize, TALLOC_CTX *mem_ctx);
591 load a fd into memory and return an array of pointers to lines in the file
592 must be freed with talloc_free(). If convert is true calls unix_to_dos on
595 _PUBLIC_ char **fd_lines_load(int fd, int *numlines, size_t maxsize, TALLOC_CTX *mem_ctx);
598 take a list of lines and modify them to produce a list where \ continues
601 _PUBLIC_ void file_lines_slashcont(char **lines);
604 save a lump of data into a file. Mostly used for debugging
606 _PUBLIC_ bool file_save(const char *fname, const void *packet, size_t length);
607 _PUBLIC_ int vfdprintf(int fd, const char *format, va_list ap) PRINTF_ATTRIBUTE(2,0);
608 _PUBLIC_ int fdprintf(int fd, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
609 _PUBLIC_ bool large_file_support(const char *path);
612 compare two files, return true if the two files have the same content
614 bool file_compare(const char *path1, const char *path2);
616 /* The following definitions come from lib/util/util.c */
620 Find a suitable temporary directory. The result should be copied immediately
621 as it may be overwritten by a subsequent call.
623 _PUBLIC_ const char *tmpdir(void);
626 Check if a file exists - call vfs_file_exist for samba files.
628 _PUBLIC_ bool file_exist(const char *fname);
631 Check a files mod time.
633 _PUBLIC_ time_t file_modtime(const char *fname);
636 Check if a directory exists.
638 _PUBLIC_ bool directory_exist(const char *dname);
641 * Try to create the specified directory if it didn't exist.
643 * @retval true if the directory already existed and has the right permissions
644 * or was successfully created.
646 _PUBLIC_ bool directory_create_or_exist(const char *dname, uid_t uid,
650 Set a fd into blocking/nonblocking mode. Uses POSIX O_NONBLOCK if available,
655 _PUBLIC_ int set_blocking(int fd, bool set);
658 Sleep for a specified number of milliseconds.
660 _PUBLIC_ void smb_msleep(unsigned int t);
663 Get my own name, return in talloc'ed storage.
665 _PUBLIC_ char* get_myname(TALLOC_CTX *mem_ctx);
668 Check if a process exists. Does this work on all unixes?
670 _PUBLIC_ bool process_exists_by_pid(pid_t pid);
673 Simple routine to do POSIX file locking. Cruft in NFS and 64->32 bit mapping
674 is dealt with in posix.c
676 _PUBLIC_ bool fcntl_lock(int fd, int op, off_t offset, off_t count, int type);
679 * Write dump of binary data to a callback
681 void dump_data_cb(const uint8_t *buf, int len,
682 bool omit_zero_bytes,
683 void (*cb)(const char *buf, void *private_data),
687 * Write dump of binary data to the log file.
689 * The data is only written if the log level is at least level.
691 _PUBLIC_ void dump_data(int level, const uint8_t *buf,int len);
694 * Write dump of binary data to the log file.
696 * The data is only written if the log level is at least level.
697 * 16 zero bytes in a row are omitted
699 _PUBLIC_ void dump_data_skip_zeros(int level, const uint8_t *buf, int len);
702 malloc that aborts with smb_panic on fail or zero size.
704 _PUBLIC_ void *smb_xmalloc(size_t size);
707 Memdup with smb_panic on fail.
709 _PUBLIC_ void *smb_xmemdup(const void *p, size_t size);
712 strdup that aborts on malloc fail.
714 _PUBLIC_ char *smb_xstrdup(const char *s);
716 char *smb_xstrndup(const char *s, size_t n);
719 Like strdup but for memory.
721 _PUBLIC_ void *memdup(const void *p, size_t size);
724 * Write a password to the log file.
726 * @note Only actually does something if DEBUG_PASSWORD was defined during
729 _PUBLIC_ void dump_data_pw(const char *msg, const uint8_t * data, size_t len);
732 * see if a range of memory is all zero. A NULL pointer is considered
735 _PUBLIC_ bool all_zero(const uint8_t *ptr, size_t size);
738 realloc an array, checking for integer overflow in the array size
740 _PUBLIC_ void *realloc_array(void *ptr, size_t el_size, unsigned count, bool free_on_fail);
742 void *malloc_array(size_t el_size, unsigned int count);
744 /* The following definitions come from lib/util/fsusage.c */
748 * Retrieve amount of free disk space.
749 * this does all of the system specific guff to get the free disk space.
750 * It is derived from code in the GNU fileutils package, but has been
751 * considerably mangled for use here
753 * results are returned in *dfree and *dsize, in 512 byte units
755 _PUBLIC_ int sys_fsusage(const char *path, uint64_t *dfree, uint64_t *dsize);
757 /* The following definitions come from lib/util/ms_fnmatch.c */
762 * @brief MS-style Filename matching
765 #if _SAMBA_BUILD_ == 4
766 /* protocol types. It assumes that higher protocols include lower protocols
767 as subsets. FIXME: Move to one of the smb-specific headers */
768 enum protocol_types {
780 int ms_fnmatch_protocol(const char *pattern, const char *string, int protocol);
782 /** a generic fnmatch function - uses for non-CIFS pattern matching */
783 int gen_fnmatch(const char *pattern, const char *string);
785 /* The following definitions come from lib/util/idtree.c */
789 initialise a idr tree. The context return value must be passed to
790 all subsequent idr calls. To destroy the idr tree use talloc_free()
793 _PUBLIC_ struct idr_context *idr_init(TALLOC_CTX *mem_ctx);
796 allocate the next available id, and assign 'ptr' into its slot.
797 you can retrieve later this pointer using idr_find()
799 _PUBLIC_ int idr_get_new(struct idr_context *idp, void *ptr, int limit);
802 allocate a new id, giving the first available value greater than or
803 equal to the given starting id
805 _PUBLIC_ int idr_get_new_above(struct idr_context *idp, void *ptr, int starting_id, int limit);
808 allocate a new id randomly in the given range
810 _PUBLIC_ int idr_get_new_random(struct idr_context *idp, void *ptr, int limit);
813 find a pointer value previously set with idr_get_new given an id
815 _PUBLIC_ void *idr_find(struct idr_context *idp, int id);
818 remove an id from the idr tree
820 _PUBLIC_ int idr_remove(struct idr_context *idp, int id);
822 /* The following definitions come from lib/util/become_daemon.c */
825 Close the low 3 fd's and open dev/null in their place
827 _PUBLIC_ void close_low_fds(bool stderr_too);
830 Become a daemon, discarding the controlling terminal.
832 _PUBLIC_ void become_daemon(bool do_fork, bool no_process_group, bool log_stdout);
835 * Load a ini-style file.
837 bool pm_process( const char *fileName,
838 bool (*sfunc)(const char *, void *),
839 bool (*pfunc)(const char *, const char *, void *),
842 bool unmap_file(void *start, size_t size);
844 void print_asc(int level, const uint8_t *buf,int len);
845 void print_asc_cb(const uint8_t *buf, int len,
846 void (*cb)(const char *buf, void *private_data),
850 * Add an id to an array of ids.
852 * num should be a pointer to an integer that holds the current
853 * number of elements in ids. It will be updated by this function.
856 bool add_uid_to_array_unique(TALLOC_CTX *mem_ctx, uid_t uid,
857 uid_t **uids, uint32_t *num_uids);
858 bool add_gid_to_array_unique(TALLOC_CTX *mem_ctx, gid_t gid,
859 gid_t **gids, uint32_t *num_gids);
862 * Allocate anonymous shared memory of the given size
864 void *anonymous_shared_allocate(size_t bufsz);
865 void anonymous_shared_free(void *ptr);
868 run a command as a child process, with a timeout.
870 any stdout/stderr from the child will appear in the Samba logs with
871 the specified log levels
873 If callback is set then the callback is called on completion
874 with the return code from the command
876 struct tevent_context;
878 struct tevent_req *samba_runcmd_send(TALLOC_CTX *mem_ctx,
879 struct tevent_context *ev,
880 struct timeval endtime,
881 int stdout_log_level,
882 int stderr_log_level,
883 const char * const *argv0, ...);
884 int samba_runcmd_recv(struct tevent_req *req, int *perrno);
887 void samba_start_debugger(void);
891 * @brief Returns an absolute path to a file in the Samba modules directory.
893 * @param name File to find, relative to MODULESDIR.
895 * @retval Pointer to a string containing the full path.
897 char *modules_path(TALLOC_CTX *mem_ctx, const char *name);
900 * @brief Returns an absolute path to a file in the Samba data directory.
902 * @param name File to find, relative to CODEPAGEDIR.
904 * @retval Pointer to a talloc'ed string containing the full path.
906 char *data_path(TALLOC_CTX *mem_ctx, const char *name);
909 * @brief Returns the platform specific shared library extension.
911 * @retval Pointer to a const char * containing the extension.
913 const char *shlib_ext(void);
916 char *server_id_str(TALLOC_CTX *mem_ctx, const struct server_id *id);
918 #endif /* _SAMBA_UTIL_H_ */