1 /* $OpenLDAP: pkg/ldap/include/lutil.h,v 1.63.2.5 2008/02/11 23:26:40 kurt Exp $ */ 2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 3 * 4 * Copyright 1998-2008 The OpenLDAP Foundation. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted only as authorized by the OpenLDAP 9 * Public License. 10 * 11 * A copy of this license is available in file LICENSE in the 12 * top-level directory of the distribution or, alternatively, at 13 * <http://www.OpenLDAP.org/license.html>. 14 */ 15 16 #ifndef _LUTIL_H 17 #define _LUTIL_H 1 18 19 #include <ldap_cdefs.h> 20 #include <lber_types.h> 21 22 /* 23 * Include file for LDAP utility routine 24 */ 25 26 LDAP_BEGIN_DECL 27 28 /* n octets encode into ceiling(n/3) * 4 bytes */ 29 /* Avoid floating point math through extra padding */ 30 31 #define LUTIL_BASE64_ENCODE_LEN(n) (((n)+2)/3 * 4) 32 #define LUTIL_BASE64_DECODE_LEN(n) ((n)/4*3) 33 34 /* ISC Base64 Routines */ 35 /* base64.c */ 36 37 LDAP_LUTIL_F( int ) 38 lutil_b64_ntop LDAP_P(( 39 unsigned char const *, 40 size_t, 41 char *, 42 size_t)); 43 44 LDAP_LUTIL_F( int ) 45 lutil_b64_pton LDAP_P(( 46 char const *, 47 unsigned char *, 48 size_t)); 49 50 /* detach.c */ 51 LDAP_LUTIL_F( void ) 52 lutil_detach LDAP_P(( 53 int debug, 54 int do_close)); 55 56 /* entropy.c */ 57 LDAP_LUTIL_F( int ) 58 lutil_entropy LDAP_P(( 59 unsigned char *buf, 60 ber_len_t nbytes )); 61 62 /* passfile.c */ 63 struct berval; /* avoid pulling in lber.h */ 64 65 LDAP_LUTIL_F( int ) 66 lutil_get_filed_password LDAP_P(( 67 const char *filename, 68 struct berval * )); 69 70 /* passwd.c */ 71 struct lutil_pw_scheme; 72 73 #define LUTIL_PASSWD_OK (0) 74 #define LUTIL_PASSWD_ERR (-1) 75 76 typedef int (LUTIL_PASSWD_CHK_FUNC)( 77 const struct berval *scheme, 78 const struct berval *passwd, 79 const struct berval *cred, 80 const char **text ); 81 82 typedef int (LUTIL_PASSWD_HASH_FUNC) ( 83 const struct berval *scheme, 84 const struct berval *passwd, 85 struct berval *hash, 86 const char **text ); 87 88 LDAP_LUTIL_F( int ) 89 lutil_passwd_add LDAP_P(( 90 struct berval *scheme, 91 LUTIL_PASSWD_CHK_FUNC *chk_fn, 92 LUTIL_PASSWD_HASH_FUNC *hash_fn )); 93 94 LDAP_LUTIL_F( void ) 95 lutil_passwd_init LDAP_P(( void )); 96 97 LDAP_LUTIL_F( void ) 98 lutil_passwd_destroy LDAP_P(( void )); 99 100 LDAP_LUTIL_F( int ) 101 lutil_authpasswd LDAP_P(( 102 const struct berval *passwd, /* stored password */ 103 const struct berval *cred, /* user supplied value */ 104 const char **methods )); 105 106 LDAP_LUTIL_F( int ) 107 lutil_authpasswd_hash LDAP_P(( 108 const struct berval *cred, 109 struct berval **passwd, /* password to store */ 110 struct berval **salt, /* salt to store */ 111 const char *method )); 112 113 #ifdef SLAPD_CRYPT 114 typedef int (lutil_cryptfunc) LDAP_P(( 115 const char *key, 116 const char *salt, 117 char **hash )); 118 LDAP_LUTIL_V (lutil_cryptfunc *) lutil_cryptptr; 119 #endif 120 121 LDAP_LUTIL_F( int ) 122 lutil_passwd LDAP_P(( 123 const struct berval *passwd, /* stored password */ 124 const struct berval *cred, /* user supplied value */ 125 const char **methods, 126 const char **text )); /* error message */ 127 128 LDAP_LUTIL_F( int ) 129 lutil_passwd_generate LDAP_P(( struct berval *pw, ber_len_t )); 130 131 LDAP_LUTIL_F( int ) 132 lutil_passwd_hash LDAP_P(( 133 const struct berval *passwd, 134 const char *method, 135 struct berval *hash, 136 const char **text )); 137 138 LDAP_LUTIL_F( int ) 139 lutil_passwd_scheme LDAP_P(( 140 const char *scheme )); 141 142 LDAP_LUTIL_F( int ) 143 lutil_salt_format LDAP_P(( 144 const char *format )); 145 146 /* utils.c */ 147 LDAP_LUTIL_F( char* ) 148 lutil_progname LDAP_P(( 149 const char* name, 150 int argc, 151 char *argv[] )); 152 153 typedef struct lutil_tm { 154 int tm_sec; /* seconds 0-60 (1 leap second) */ 155 int tm_min; /* minutes 0-59 */ 156 int tm_hour; /* hours 0-23 */ 157 int tm_mday; /* day 1-31 */ 158 int tm_mon; /* month 0-11 */ 159 int tm_year; /* year - 1900 */ 160 int tm_usec; /* microseconds */ 161 int tm_usub; /* submicro */ 162 } lutil_tm; 163 164 typedef struct lutil_timet { 165 unsigned int tt_sec; /* seconds since 1900 */ 166 int tt_gsec; /* seconds since 1900, high 7 bits */ 167 unsigned int tt_usec; /* microseconds */ 168 } lutil_timet; 169 170 /* Parse a timestamp string into a structure */ 171 LDAP_LUTIL_F( int ) 172 lutil_parsetime LDAP_P(( 173 char *atm, struct lutil_tm * )); 174 175 /* Convert structured time to time in seconds since 1900 */ 176 LDAP_LUTIL_F( int ) 177 lutil_tm2time LDAP_P(( 178 struct lutil_tm *, struct lutil_timet * )); 179 180 /* Get current time as a structured time */ 181 LDAP_LUTIL_F( void ) 182 lutil_gettime LDAP_P(( struct lutil_tm * )); 183 184 #ifdef _WIN32 185 LDAP_LUTIL_F( void ) 186 lutil_slashpath LDAP_P(( char* path )); 187 #define LUTIL_SLASHPATH(p) lutil_slashpath(p) 188 #else 189 #define LUTIL_SLASHPATH(p) 190 #endif 191 192 LDAP_LUTIL_F( char* ) 193 lutil_strcopy LDAP_P(( char *dst, const char *src )); 194 195 LDAP_LUTIL_F( char* ) 196 lutil_strncopy LDAP_P(( char *dst, const char *src, size_t n )); 197 198 struct tm; 199 200 /* use this macro to statically allocate buffer for lutil_gentime */ 201 #define LDAP_LUTIL_GENTIME_BUFSIZE 22 202 #define lutil_gentime(s,m,t) lutil_localtime((s),(m),(t),0) 203 LDAP_LUTIL_F( size_t ) 204 lutil_localtime LDAP_P(( char *s, size_t smax, const struct tm *tm, 205 long delta )); 206 207 #ifndef HAVE_MKSTEMP 208 LDAP_LUTIL_F( int ) 209 mkstemp LDAP_P (( char * template )); 210 #endif 211 212 /* sockpair.c */ 213 LDAP_LUTIL_F( int ) 214 lutil_pair( ber_socket_t sd[2] ); 215 216 /* uuid.c */ 217 /* use this macro to allocate buffer for lutil_uuidstr */ 218 #define LDAP_LUTIL_UUIDSTR_BUFSIZE 40 219 LDAP_LUTIL_F( size_t ) 220 lutil_uuidstr( char *buf, size_t len ); 221 222 LDAP_LUTIL_F( int ) 223 lutil_uuidstr_from_normalized( 224 char *uuid, 225 size_t uuidlen, 226 char *buf, 227 size_t buflen ); 228 229 /* csn.c */ 230 /* use this macro to allocate buffer for lutil_csnstr */ 231 #define LDAP_LUTIL_CSNSTR_BUFSIZE 64 232 LDAP_LUTIL_F( size_t ) 233 lutil_csnstr( char *buf, size_t len, unsigned int replica, unsigned int mod ); 234 235 /* 236 * Sometimes not all declarations in a header file are needed. 237 * An indicator to this is whether or not the symbol's type has 238 * been defined. Thus, we don't need to include a symbol if 239 * its type has not been defined through another header file. 240 */ 241 242 #ifdef HAVE_NT_SERVICE_MANAGER 243 LDAP_LUTIL_V (int) is_NT_Service; 244 245 #ifdef _LDAP_PVT_THREAD_H 246 LDAP_LUTIL_V (ldap_pvt_thread_cond_t) started_event; 247 #endif /* _LDAP_PVT_THREAD_H */ 248 249 /* macros are different between Windows and Mingw */ 250 #if defined(_WINSVC_H) || defined(_WINSVC_) 251 LDAP_LUTIL_V (SERVICE_STATUS) lutil_ServiceStatus; 252 LDAP_LUTIL_V (SERVICE_STATUS_HANDLE) hlutil_ServiceStatus; 253 #endif /* _WINSVC_H */ 254 255 LDAP_LUTIL_F (void) 256 lutil_CommenceStartupProcessing( char *serverName, void (*stopper)(int)) ; 257 258 LDAP_LUTIL_F (void) 259 lutil_ReportShutdownComplete( void ); 260 261 LDAP_LUTIL_F (void *) 262 lutil_getRegParam( char *svc, char *value ); 263 264 LDAP_LUTIL_F (int) 265 lutil_srv_install( char* service, char * displayName, char* filename, 266 int auto_start ); 267 LDAP_LUTIL_F (int) 268 lutil_srv_remove ( char* service, char* filename ); 269 270 #endif /* HAVE_NT_SERVICE_MANAGER */ 271 272 #ifdef HAVE_NT_EVENT_LOG 273 LDAP_LUTIL_F (void) 274 lutil_LogStartedEvent( char *svc, int slap_debug, char *configfile, char *urls ); 275 276 LDAP_LUTIL_F (void) 277 lutil_LogStoppedEvent( char *svc ); 278 #endif 279 280 #ifdef HAVE_EBCDIC 281 /* Generally this has only been used to put '\n' to stdout. We need to 282 * make sure it is output in EBCDIC. 283 */ 284 #undef putchar 285 #undef putc 286 #define putchar(c) putc((c), stdout) 287 #define putc(c,fp) do { char x=(c); __atoe_l(&x,1); putc(x,fp); } while(0) 288 #endif 289 290 LDAP_LUTIL_F (int) 291 lutil_atoix( int *v, const char *s, int x ); 292 293 LDAP_LUTIL_F (int) 294 lutil_atoux( unsigned *v, const char *s, int x ); 295 296 LDAP_LUTIL_F (int) 297 lutil_atolx( long *v, const char *s, int x ); 298 299 LDAP_LUTIL_F (int) 300 lutil_atoulx( unsigned long *v, const char *s, int x ); 301 302 #define lutil_atoi(v, s) lutil_atoix((v), (s), 10) 303 #define lutil_atou(v, s) lutil_atoux((v), (s), 10) 304 #define lutil_atol(v, s) lutil_atolx((v), (s), 10) 305 #define lutil_atoul(v, s) lutil_atoulx((v), (s), 10) 306 307 LDAP_LUTIL_F (int) 308 lutil_str2bin( struct berval *in, struct berval *out, void *ctx ); 309 310 /* Parse and unparse time intervals */ 311 LDAP_LUTIL_F (int) 312 lutil_parse_time( const char *in, unsigned long *tp ); 313 314 LDAP_LUTIL_F (int) 315 lutil_unparse_time( char *buf, size_t buflen, unsigned long t ); 316 317 #ifdef timerdiv 318 #define lutil_timerdiv timerdiv 319 #else /* ! timerdiv */ 320 /* works inplace (x == t) */ 321 #define lutil_timerdiv(t,d,x) \ 322 do { \ 323 time_t s = (t)->tv_sec; \ 324 assert( d > 0 ); \ 325 (x)->tv_sec = s / d; \ 326 (x)->tv_usec = ( (t)->tv_usec + 1000000 * ( s % d ) ) / d; \ 327 } while ( 0 ) 328 #endif /* ! timerdiv */ 329 330 #ifdef timermul 331 #define lutil_timermul timermul 332 #else /* ! timermul */ 333 /* works inplace (x == t) */ 334 #define lutil_timermul(t,m,x) \ 335 do { \ 336 time_t u = (t)->tv_usec * m; \ 337 assert( m > 0 ); \ 338 (x)->tv_sec = (t)->tv_sec * m + u / 1000000; \ 339 (x)->tv_usec = u % 1000000; \ 340 } while ( 0 ); 341 #endif /* ! timermul */ 342 343 LDAP_END_DECL 344 345 #endif /* _LUTIL_H */ 346