extern const char *logfile;
extern const char *panic_action;
+#include "util/time.h"
+#include "util/data_blob.h"
#include "util/xfile.h"
#include "util/debug.h"
#include "util/mutex.h"
#include "util/byteorder.h"
-#include "lib/util/util_proto.h"
/**
this is a warning hack. The idea is to use this everywhere that we
*/
#define realloc_p(p, type, count) (type *)realloc_array(p, sizeof(type), count)
-#define data_blob(ptr, size) data_blob_named(ptr, size, "DATA_BLOB: "__location__)
-#define data_blob_talloc(ctx, ptr, size) data_blob_talloc_named(ctx, ptr, size, "DATA_BLOB: "__location__)
-#define data_blob_dup_talloc(ctx, blob) data_blob_talloc_named(ctx, (blob)->data, (blob)->length, "DATA_BLOB: "__location__)
-
#if defined(VALGRIND)
#define strlen(x) valgrind_strlen(x)
#endif
#define PTR_DIFF(p1,p2) ((ptrdiff_t)(((const char *)(p1)) - (const char *)(p2)))
#endif
+
+/**
+ * this global variable determines what messages are printed
+ */
+_PUBLIC_ void debug_schedule_reopen_logs(void);
+
+/**
+ the backend for debug messages. Note that the DEBUG() macro has already
+ ensured that the log level has been met before this is called
+*/
+_PUBLIC_ void do_debug_header(int level, const char *location, const char *func);
+
+/**
+ the backend for debug messages. Note that the DEBUG() macro has already
+ ensured that the log level has been met before this is called
+
+ @note You should never have to call this function directly. Call the DEBUG()
+ macro instead.
+*/
+_PUBLIC_ void do_debug(const char *format, ...) _PRINTF_ATTRIBUTE(1,2);
+
+/**
+ reopen the log file (usually called because the log file name might have changed)
+*/
+_PUBLIC_ void reopen_logs(void);
+
+/**
+ control the name of the logfile and whether logging will be to stdout, stderr
+ or a file
+*/
+_PUBLIC_ void setup_logging(const char *prog_name, enum debug_logtype new_logtype);
+
+/**
+ return a string constant containing n tabs
+ no more than 10 tabs are returned
+*/
+_PUBLIC_ const char *do_debug_tab(int n);
+
+/**
+ log suspicious usage - print comments and backtrace
+*/
+_PUBLIC_ void log_suspicious_usage(const char *from, const char *info);
+
+/**
+ print suspicious usage - print comments and backtrace
+*/
+_PUBLIC_ void print_suspicious_usage(const char* from, const char* info);
+_PUBLIC_ uint32_t get_task_id(void);
+_PUBLIC_ void log_task_id(void);
+
+/**
+ register a set of debug handlers.
+*/
+_PUBLIC_ void register_debug_handlers(const char *name, struct debug_ops *ops);
+
+/* The following definitions come from lib/util/fault.c */
+
+
+/**
+ * Write backtrace to debug log
+ */
+_PUBLIC_ void call_backtrace(void);
+
+/**
+ Something really nasty happened - panic !
+**/
+_PUBLIC_ _NORETURN_ void smb_panic(const char *why);
+
+/**
+setup our fault handlers
+**/
+_PUBLIC_ void fault_setup(const char *pname);
+
+/**
+ register a fault handler.
+ Should only be called once in the execution of smbd.
+*/
+_PUBLIC_ bool register_fault_handler(const char *name, void (*fault_handler)(int sig));
+
+/* The following definitions come from lib/util/signal.c */
+
+
+/**
+ Block sigs.
+**/
+void BlockSignals(bool block, int signum);
+
+/**
+ Catch a signal. This should implement the following semantics:
+
+ 1) The handler remains installed after being called.
+ 2) The signal should be blocked during handler execution.
+**/
+void (*CatchSignal(int signum,void (*handler)(int )))(int);
+
+/**
+ Ignore SIGCLD via whatever means is necessary for this OS.
+**/
+void CatchChild(void);
+
+/**
+ Catch SIGCLD but leave the child around so it's status can be reaped.
+**/
+void CatchChildLeaveStatus(void);
+
+/* The following definitions come from lib/util/system.c */
+
+
+/*
+ we use struct ipv4_addr to avoid having to include all the
+ system networking headers everywhere
+*/
+struct ipv4_addr {
+ uint32_t addr;
+};
+
+/**************************************************************************
+A wrapper for gethostbyname() that tries avoids looking up hostnames
+in the root domain, which can cause dial-on-demand links to come up for no
+apparent reason.
+****************************************************************************/
+_PUBLIC_ struct hostent *sys_gethostbyname(const char *name);
+_PUBLIC_ const char *sys_inet_ntoa(struct ipv4_addr in);
+_PUBLIC_ struct ipv4_addr sys_inet_makeaddr(int net, int host);
+
+/* The following definitions come from lib/util/genrand.c */
+
+/**
+ Copy any user given reseed data.
+**/
+_PUBLIC_ void set_rand_reseed_callback(void (*fn)(int *));
+
+/**
+ * Tell the random number generator it needs to reseed.
+ */
+_PUBLIC_ void set_need_random_reseed(void);
+
+/**
+ Interface to the (hopefully) good crypto random number generator.
+**/
+_PUBLIC_ void generate_random_buffer(uint8_t *out, int len);
+
+/**
+ generate a single random uint32_t
+**/
+_PUBLIC_ uint32_t generate_random(void);
+
+/**
+ very basic password quality checker
+**/
+_PUBLIC_ bool check_password_quality(const char *s);
+
+/**
+ Use the random number generator to generate a random string.
+**/
+_PUBLIC_ char *generate_random_str_list(TALLOC_CTX *mem_ctx, size_t len, const char *list);
+
+/**
+ * Generate a random text string consisting of the specified length.
+ * The returned string will be allocated.
+ *
+ * Characters used are: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+_-#.,
+ */
+_PUBLIC_ char *generate_random_str(TALLOC_CTX *mem_ctx, size_t len);
+
+/* The following definitions come from lib/util/dprintf.c */
+
+_PUBLIC_ int d_vfprintf(FILE *f, const char *format, va_list ap) _PRINTF_ATTRIBUTE(2,0);
+_PUBLIC_ int d_fprintf(FILE *f, const char *format, ...) _PRINTF_ATTRIBUTE(2,3);
+_PUBLIC_ int d_printf(const char *format, ...) _PRINTF_ATTRIBUTE(1,2);
+_PUBLIC_ void display_set_stderr(void);
+
+/* The following definitions come from lib/util/util_str.c */
+
+
+/**
+ Trim the specified elements off the front and back of a string.
+**/
+_PUBLIC_ bool trim_string(char *s, const char *front, const char *back);
+
+/**
+ Find the number of 'c' chars in a string
+**/
+_PUBLIC_ _PURE_ size_t count_chars(const char *s, char c);
+
+/**
+ Safe string copy into a known length string. maxlength does not
+ include the terminating zero.
+**/
+_PUBLIC_ char *safe_strcpy(char *dest,const char *src, size_t maxlength);
+
+/**
+ Safe string cat into a string. maxlength does not
+ include the terminating zero.
+**/
+_PUBLIC_ char *safe_strcat(char *dest, const char *src, size_t maxlength);
+
+/**
+ Routine to get hex characters and turn them into a 16 byte array.
+ the array can be variable length, and any non-hex-numeric
+ characters are skipped. "0xnn" or "0Xnn" is specially catered
+ for.
+
+ valid examples: "0A5D15"; "0x15, 0x49, 0xa2"; "59\ta9\te3\n"
+
+
+**/
+_PUBLIC_ size_t strhex_to_str(char *p, size_t len, const char *strhex);
+
+/**
+ * Parse a hex string and return a data blob.
+ */
+_PUBLIC_ _PURE_ DATA_BLOB strhex_to_data_blob(const char *strhex) ;
+
+/**
+ * Routine to print a buffer as HEX digits, into an allocated string.
+ */
+_PUBLIC_ void hex_encode(const unsigned char *buff_in, size_t len, char **out_hex_buffer);
+
+/**
+ * talloc version of hex_encode()
+ */
+_PUBLIC_ char *hex_encode_talloc(TALLOC_CTX *mem_ctx, const unsigned char *buff_in, size_t len);
+
+/**
+ Set a string value, deallocating any existing space, and allocing the space
+ for the string
+**/
+_PUBLIC_ bool string_set(TALLOC_CTX *mem_ctx, char **dest, const char *src);
+
+/**
+ Substitute a string for a pattern in another string. Make sure there is
+ enough room!
+
+ This routine looks for pattern in s and replaces it with
+ insert. It may do multiple replacements.
+
+ Any of " ; ' $ or ` in the insert string are replaced with _
+ if len==0 then the string cannot be extended. This is different from the old
+ use of len==0 which was for no length checks to be done.
+**/
+_PUBLIC_ void string_sub(char *s,const char *pattern, const char *insert, size_t len);
+
+/**
+ Similar to string_sub() but allows for any character to be substituted.
+ Use with caution!
+ if len==0 then the string cannot be extended. This is different from the old
+ use of len==0 which was for no length checks to be done.
+**/
+_PUBLIC_ void all_string_sub(char *s,const char *pattern,const char *insert, size_t len);
+
+/**
+ Unescape a URL encoded string, in place.
+**/
+_PUBLIC_ void rfc1738_unescape(char *buf);
+size_t valgrind_strlen(const char *s);
+
+/**
+ format a string into length-prefixed dotted domain format, as used in NBT
+ and in some ADS structures
+**/
+_PUBLIC_ const char *str_format_nbt_domain(TALLOC_CTX *mem_ctx, const char *s);
+
+/**
+ * Add a string to an array of strings.
+ *
+ * num should be a pointer to an integer that holds the current
+ * number of elements in strings. It will be updated by this function.
+ */
+_PUBLIC_ bool add_string_to_array(TALLOC_CTX *mem_ctx,
+ const char *str, const char ***strings, int *num);
+
+/**
+ varient of strcmp() that handles NULL ptrs
+**/
+_PUBLIC_ int strcmp_safe(const char *s1, const char *s2);
+
+/**
+return the number of bytes occupied by a buffer in ASCII format
+the result includes the null termination
+limited by 'n' bytes
+**/
+_PUBLIC_ size_t ascii_len_n(const char *src, size_t n);
+
+/**
+ Return a string representing a CIFS attribute for a file.
+**/
+_PUBLIC_ char *attrib_string(TALLOC_CTX *mem_ctx, uint32_t attrib);
+
+/**
+ Set a boolean variable from the text value stored in the passed string.
+ Returns true in success, false if the passed string does not correctly
+ represent a boolean.
+**/
+_PUBLIC_ bool set_boolean(const char *boolean_string, bool *boolean);
+
+/**
+ * Parse a string containing a boolean value.
+ *
+ * val will be set to the read value.
+ *
+ * @retval true if a boolean value was parsed, false otherwise.
+ */
+_PUBLIC_ bool conv_str_bool(const char * str, bool * val);
+
+/**
+ * Convert a size specification like 16K into an integral number of bytes.
+ **/
+_PUBLIC_ bool conv_str_size(const char * str, uint64_t * val);
+
+/**
+ * Parse a uint64_t value from a string
+ *
+ * val will be set to the value read.
+ *
+ * @retval true if parsing was successful, false otherwise
+ */
+_PUBLIC_ bool conv_str_u64(const char * str, uint64_t * val);
+
+/**
+return the number of bytes occupied by a buffer in CH_UTF16 format
+the result includes the null termination
+**/
+_PUBLIC_ size_t utf16_len(const void *buf);
+
+/**
+return the number of bytes occupied by a buffer in CH_UTF16 format
+the result includes the null termination
+limited by 'n' bytes
+**/
+_PUBLIC_ size_t utf16_len_n(const void *src, size_t n);
+_PUBLIC_ size_t ucs2_align(const void *base_ptr, const void *p, int flags);
+
+/**
+Do a case-insensitive, whitespace-ignoring string compare.
+**/
+_PUBLIC_ int strwicmp(const char *psz1, const char *psz2);
+
+/**
+ String replace.
+**/
+_PUBLIC_ void string_replace(char *s, char oldc, char newc);
+
+/**
+ * Compare 2 strings.
+ *
+ * @note The comparison is case-insensitive.
+ **/
+_PUBLIC_ bool strequal(const char *s1, const char *s2);
+
+/* The following definitions come from lib/util/util_strlist.c */
+
+
+/**
+ build a null terminated list of strings from a input string and a
+ separator list. The separator list must contain characters less than
+ or equal to 0x2f for this to work correctly on multi-byte strings
+*/
+_PUBLIC_ const char **str_list_make(TALLOC_CTX *mem_ctx, const char *string, const char *sep);
+
+/**
+ * build a null terminated list of strings from an argv-like input string
+ * Entries are seperated by spaces and can be enclosed by quotes.
+ * Does NOT support escaping
+ */
+_PUBLIC_ const char **str_list_make_shell(TALLOC_CTX *mem_ctx, const char *string, const char *sep);
+
+/**
+ * join a list back to one string
+ */
+_PUBLIC_ char *str_list_join(TALLOC_CTX *mem_ctx, const char **list, char seperator);
+
+/** join a list back to one (shell-like) string; entries
+ * seperated by spaces, using quotes where necessary */
+_PUBLIC_ char *str_list_join_shell(TALLOC_CTX *mem_ctx, const char **list, char sep);
+
+/**
+ return the number of elements in a string list
+*/
+_PUBLIC_ size_t str_list_length(const char **list);
+
+/**
+ copy a string list
+*/
+_PUBLIC_ const char **str_list_copy(TALLOC_CTX *mem_ctx, const char **list);
+
+/**
+ Return true if all the elements of the list match exactly.
+ */
+_PUBLIC_ bool str_list_equal(const char **list1, const char **list2);
+
+/**
+ add an entry to a string list
+*/
+_PUBLIC_ const char **str_list_add(const char **list, const char *s);
+
+/**
+ remove an entry from a string list
+*/
+_PUBLIC_ void str_list_remove(const char **list, const char *s);
+
+/**
+ return true if a string is in a list
+*/
+_PUBLIC_ bool str_list_check(const char **list, const char *s);
+
+/**
+ return true if a string is in a list, case insensitively
+*/
+_PUBLIC_ bool str_list_check_ci(const char **list, const char *s);
+
+/* The following definitions come from lib/util/util_file.c */
+
+
+/**
+read a line from a file with possible \ continuation chars.
+Blanks at the start or end of a line are stripped.
+The string will be allocated if s2 is NULL
+**/
+_PUBLIC_ char *fgets_slash(char *s2,int maxlen,XFILE *f);
+
+/**
+ * Read one line (data until next newline or eof) and allocate it
+ */
+_PUBLIC_ char *afdgets(int fd, TALLOC_CTX *mem_ctx, size_t hint);
+
+/**
+load a file into memory from a fd.
+**/
+_PUBLIC_ char *fd_load(int fd, size_t *size, TALLOC_CTX *mem_ctx);
+
+/**
+load a file into memory
+**/
+_PUBLIC_ char *file_load(const char *fname, size_t *size, TALLOC_CTX *mem_ctx);
+
+/**
+mmap (if possible) or read a file
+**/
+_PUBLIC_ void *map_file(const char *fname, size_t size);
+
+/**
+load a file into memory and return an array of pointers to lines in the file
+must be freed with talloc_free().
+**/
+_PUBLIC_ char **file_lines_load(const char *fname, int *numlines, TALLOC_CTX *mem_ctx);
+
+/**
+load a fd into memory and return an array of pointers to lines in the file
+must be freed with talloc_free(). If convert is true calls unix_to_dos on
+the list.
+**/
+_PUBLIC_ char **fd_lines_load(int fd, int *numlines, TALLOC_CTX *mem_ctx);
+
+/**
+take a list of lines and modify them to produce a list where \ continues
+a line
+**/
+_PUBLIC_ void file_lines_slashcont(char **lines);
+
+/**
+ save a lump of data into a file. Mostly used for debugging
+*/
+_PUBLIC_ bool file_save(const char *fname, const void *packet, size_t length);
+_PUBLIC_ int vfdprintf(int fd, const char *format, va_list ap) _PRINTF_ATTRIBUTE(2,0);
+_PUBLIC_ int fdprintf(int fd, const char *format, ...) _PRINTF_ATTRIBUTE(2,3);
+_PUBLIC_ bool large_file_support(const char *path);
+
+/* The following definitions come from lib/util/util.c */
+
+
+/**
+ Find a suitable temporary directory. The result should be copied immediately
+ as it may be overwritten by a subsequent call.
+**/
+_PUBLIC_ const char *tmpdir(void);
+
+/**
+ Check if a file exists - call vfs_file_exist for samba files.
+**/
+_PUBLIC_ bool file_exist(const char *fname);
+
+/**
+ Check a files mod time.
+**/
+_PUBLIC_ time_t file_modtime(const char *fname);
+
+/**
+ Check if a directory exists.
+**/
+_PUBLIC_ bool directory_exist(const char *dname);
+
+/**
+ * Try to create the specified directory if it didn't exist.
+ *
+ * @retval true if the directory already existed and has the right permissions
+ * or was successfully created.
+ */
+_PUBLIC_ bool directory_create_or_exist(const char *dname, uid_t uid,
+ mode_t dir_perms);
+
+/**
+ Set a fd into blocking/nonblocking mode. Uses POSIX O_NONBLOCK if available,
+ else
+ if SYSV use O_NDELAY
+ if BSD use FNDELAY
+**/
+_PUBLIC_ int set_blocking(int fd, bool set);
+
+/**
+ Sleep for a specified number of milliseconds.
+**/
+_PUBLIC_ void msleep(unsigned int t);
+
+/**
+ Get my own name, return in malloc'ed storage.
+**/
+_PUBLIC_ char* get_myname(void);
+
+/**
+ Return true if a string could be a pure IP address.
+**/
+_PUBLIC_ bool is_ipaddress(const char *str);
+
+/**
+ Interpret an internet address or name into an IP address in 4 byte form.
+**/
+_PUBLIC_ uint32_t interpret_addr(const char *str);
+
+/**
+ A convenient addition to interpret_addr().
+**/
+_PUBLIC_ struct ipv4_addr interpret_addr2(const char *str);
+
+/**
+ Check if an IP is the 0.0.0.0.
+**/
+_PUBLIC_ bool is_zero_ip(struct ipv4_addr ip);
+
+/**
+ Are two IPs on the same subnet?
+**/
+_PUBLIC_ bool same_net(struct ipv4_addr ip1,struct ipv4_addr ip2,struct ipv4_addr mask);
+
+/**
+ Check if a process exists. Does this work on all unixes?
+**/
+_PUBLIC_ bool process_exists(pid_t pid);
+
+/**
+ Simple routine to do POSIX file locking. Cruft in NFS and 64->32 bit mapping
+ is dealt with in posix.c
+**/
+_PUBLIC_ bool fcntl_lock(int fd, int op, off_t offset, off_t count, int type);
+
+/**
+ * Write dump of binary data to the log file.
+ *
+ * The data is only written if the log level is at least level.
+ */
+_PUBLIC_ void dump_data(int level, const uint8_t *buf,int len);
+
+/**
+ malloc that aborts with smb_panic on fail or zero size.
+**/
+_PUBLIC_ void *smb_xmalloc(size_t size);
+
+/**
+ Memdup with smb_panic on fail.
+**/
+_PUBLIC_ void *smb_xmemdup(const void *p, size_t size);
+
+/**
+ strdup that aborts on malloc fail.
+**/
+_PUBLIC_ char *smb_xstrdup(const char *s);
+
+/**
+ Like strdup but for memory.
+**/
+_PUBLIC_ void *memdup(const void *p, size_t size);
+
+/**
+ * Write a password to the log file.
+ *
+ * @note Only actually does something if DEBUG_PASSWORD was defined during
+ * compile-time.
+ */
+_PUBLIC_ void dump_data_pw(const char *msg, const uint8_t * data, size_t len);
+
+/**
+ * see if a range of memory is all zero. A NULL pointer is considered
+ * to be all zero
+ */
+_PUBLIC_ bool all_zero(const uint8_t *ptr, size_t size);
+
+/**
+ realloc an array, checking for integer overflow in the array size
+*/
+_PUBLIC_ void *realloc_array(void *ptr, size_t el_size, unsigned count);
+
+/* The following definitions come from lib/util/fsusage.c */
+
+
+/**
+ * Retrieve amount of free disk space.
+ * this does all of the system specific guff to get the free disk space.
+ * It is derived from code in the GNU fileutils package, but has been
+ * considerably mangled for use here
+ *
+ * results are returned in *dfree and *dsize, in 512 byte units
+*/
+_PUBLIC_ int sys_fsusage(const char *path, uint64_t *dfree, uint64_t *dsize);
+
+/* The following definitions come from lib/util/ms_fnmatch.c */
+
+
+/**
+ * @file
+ * @brief MS-style Filename matching
+ */
+
+/* protocol types. It assumes that higher protocols include lower protocols
+ as subsets. FIXME: Move to one of the smb-specific headers */
+enum protocol_types {
+ PROTOCOL_NONE,
+ PROTOCOL_CORE,
+ PROTOCOL_COREPLUS,
+ PROTOCOL_LANMAN1,
+ PROTOCOL_LANMAN2,
+ PROTOCOL_NT1,
+ PROTOCOL_SMB2
+};
+
+
+
+int ms_fnmatch(const char *pattern, const char *string, enum protocol_types protocol);
+
+/** a generic fnmatch function - uses for non-CIFS pattern matching */
+int gen_fnmatch(const char *pattern, const char *string);
+
+/* The following definitions come from lib/util/mutex.c */
+
+
+/**
+ register a set of mutex/rwlock handlers.
+ Should only be called once in the execution of smbd.
+*/
+_PUBLIC_ bool register_mutex_handlers(const char *name, struct mutex_ops *ops);
+
+/* The following definitions come from lib/util/idtree.c */
+
+
+/**
+ initialise a idr tree. The context return value must be passed to
+ all subsequent idr calls. To destroy the idr tree use talloc_free()
+ on this context
+ */
+_PUBLIC_ struct idr_context *idr_init(TALLOC_CTX *mem_ctx);
+
+/**
+ allocate the next available id, and assign 'ptr' into its slot.
+ you can retrieve later this pointer using idr_find()
+*/
+_PUBLIC_ int idr_get_new(struct idr_context *idp, void *ptr, int limit);
+
+/**
+ allocate a new id, giving the first available value greater than or
+ equal to the given starting id
+*/
+_PUBLIC_ int idr_get_new_above(struct idr_context *idp, void *ptr, int starting_id, int limit);
+
+/**
+ allocate a new id randomly in the given range
+*/
+_PUBLIC_ int idr_get_new_random(struct idr_context *idp, void *ptr, int limit);
+
+/**
+ find a pointer value previously set with idr_get_new given an id
+*/
+_PUBLIC_ void *idr_find(struct idr_context *idp, int id);
+
+/**
+ remove an id from the idr tree
+*/
+_PUBLIC_ int idr_remove(struct idr_context *idp, int id);
+
+/* The following definitions come from lib/util/become_daemon.c */
+
+/**
+ Become a daemon, discarding the controlling terminal.
+**/
+_PUBLIC_ void become_daemon(bool Fork);
+
#endif /* _SAMBA_UTIL_H_ */
git.samba.org / kai / samba.git / blobdiff