1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * This file contains all functions pertaining to registrations: 31*0Sstevel@tonic-gate * SLPReg 32*0Sstevel@tonic-gate * SLPDereg 33*0Sstevel@tonic-gate * SLPDelAttrs 34*0Sstevel@tonic-gate * 35*0Sstevel@tonic-gate * Each function talks only to the local slpd, and receives a SrvAck 36*0Sstevel@tonic-gate * reply. 37*0Sstevel@tonic-gate * 38*0Sstevel@tonic-gate * These calls can operate in sync or async mode. Sync mode operates 39*0Sstevel@tonic-gate * as follows: 40*0Sstevel@tonic-gate * format params into a char *msg 41*0Sstevel@tonic-gate * send this msg to slpd 42*0Sstevel@tonic-gate * invoke the SLPRegReport callback with the error code found in the 43*0Sstevel@tonic-gate * reply from slpd 44*0Sstevel@tonic-gate * return 45*0Sstevel@tonic-gate * 46*0Sstevel@tonic-gate * Async mode operates as follows: 47*0Sstevel@tonic-gate * format the params into a char *msg 48*0Sstevel@tonic-gate * there is one thread per process which handles async regs 49*0Sstevel@tonic-gate * make sure this thread is running 50*0Sstevel@tonic-gate * the reg_thread monitors the global static reg_q for messages 51*0Sstevel@tonic-gate * a queue message is represented as a struct reg_q_msg 52*0Sstevel@tonic-gate * caller thread places the reg msg on the reg_q, and returns 53*0Sstevel@tonic-gate * the reg_thread reads the message from the reg_q, and sends the 54*0Sstevel@tonic-gate * msg to slpd 55*0Sstevel@tonic-gate * the reg_thread then invokes the SLPRegReport callback with the error 56*0Sstevel@tonic-gate * code found in the reply from slpd 57*0Sstevel@tonic-gate * once started, the reg_thread manages registration refreshing. 58*0Sstevel@tonic-gate * If there are no registrations to refresh, the thread exits. 59*0Sstevel@tonic-gate */ 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate #include <stdio.h> 62*0Sstevel@tonic-gate #include <stdlib.h> 63*0Sstevel@tonic-gate #include <thread.h> 64*0Sstevel@tonic-gate #include <synch.h> 65*0Sstevel@tonic-gate #include <syslog.h> 66*0Sstevel@tonic-gate #include <slp-internal.h> 67*0Sstevel@tonic-gate #include <sys/time.h> 68*0Sstevel@tonic-gate #include <time.h> 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate /* Indices into a reg_msg iovec for auth blocks */ 71*0Sstevel@tonic-gate #define SLP_URL_AUTH 1 72*0Sstevel@tonic-gate #define SLP_ATTR_AUTH 3 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate /* A registration / de-registration message */ 75*0Sstevel@tonic-gate struct reg_msg { 76*0Sstevel@tonic-gate struct iovec *msgiov; /* msg contents */ 77*0Sstevel@tonic-gate int msgiov_len; /* number of iovec components in msgiov */ 78*0Sstevel@tonic-gate struct iovec urlbytes; 79*0Sstevel@tonic-gate struct iovec attrbytes; 80*0Sstevel@tonic-gate int urlauth; /* index into authiov for URL auth blocks */ 81*0Sstevel@tonic-gate int attrauth; /* index into authiov for attr auth blocks */ 82*0Sstevel@tonic-gate }; 83*0Sstevel@tonic-gate 84*0Sstevel@tonic-gate /* 85*0Sstevel@tonic-gate * This is the message bundle passed to the reg thread via a queue. 86*0Sstevel@tonic-gate */ 87*0Sstevel@tonic-gate struct reg_q_msg { 88*0Sstevel@tonic-gate struct reg_msg *msg; 89*0Sstevel@tonic-gate slp_handle_impl_t *hp; 90*0Sstevel@tonic-gate SLPRegReport *cb; 91*0Sstevel@tonic-gate void *cookie; 92*0Sstevel@tonic-gate }; 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate /* 95*0Sstevel@tonic-gate * These structures and vars are used for automatic re-registering. 96*0Sstevel@tonic-gate */ 97*0Sstevel@tonic-gate static struct rereg_entry { 98*0Sstevel@tonic-gate char *url; 99*0Sstevel@tonic-gate struct reg_msg *msg; 100*0Sstevel@tonic-gate time_t wake_time; 101*0Sstevel@tonic-gate unsigned short lifetime; 102*0Sstevel@tonic-gate struct rereg_entry *next; 103*0Sstevel@tonic-gate } *reregs; 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate static time_t next_wake_time; 106*0Sstevel@tonic-gate static unsigned short granularity = 3600; 107*0Sstevel@tonic-gate static mutex_t rereg_lock = DEFAULTMUTEX; /* protects the rereg struct */ 108*0Sstevel@tonic-gate static mutex_t start_lock = DEFAULTMUTEX; /* protects reg_thr creation */ 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate static slp_queue_t *reg_q; /* the global registration queue */ 111*0Sstevel@tonic-gate static int slp_reg_thr_running; /* positive if reg_thread is running */ 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate /* Private Utility Routines */ 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate static SLPBoolean check_reregs(); 116*0Sstevel@tonic-gate static SLPError add_rereg(const char *, struct reg_msg *, unsigned short); 117*0Sstevel@tonic-gate static unsigned short dereg_rereg(const char *); 118*0Sstevel@tonic-gate 119*0Sstevel@tonic-gate static SLPError enqueue_reg(slp_handle_impl_t *, struct reg_msg *, 120*0Sstevel@tonic-gate void *, SLPRegReport *); 121*0Sstevel@tonic-gate static SLPError reg_impl(slp_handle_impl_t *, struct reg_msg *, 122*0Sstevel@tonic-gate void *, SLPRegReport *); 123*0Sstevel@tonic-gate static void reg_thread(); 124*0Sstevel@tonic-gate static SLPError start_reg_thr(); 125*0Sstevel@tonic-gate static SLPError reg_common(slp_handle_impl_t *, struct reg_msg *, 126*0Sstevel@tonic-gate void *, SLPRegReport *); 127*0Sstevel@tonic-gate static SLPError UnpackSrvAck(char *, SLPError *); 128*0Sstevel@tonic-gate static SLPError packSrvReg(slp_handle_impl_t *, const char *, 129*0Sstevel@tonic-gate unsigned short, const char *, const char *, 130*0Sstevel@tonic-gate const char *, SLPBoolean, struct reg_msg **); 131*0Sstevel@tonic-gate static SLPError packSrvDereg(slp_handle_impl_t *, const char *, 132*0Sstevel@tonic-gate const char *, const char *, struct reg_msg **); 133*0Sstevel@tonic-gate static SLPError find_SAscopes(char **scopes); 134*0Sstevel@tonic-gate static void free_msgiov(struct iovec *, int); 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate /* Public API SA functionality */ 137*0Sstevel@tonic-gate 138*0Sstevel@tonic-gate SLPError SLPReg(SLPHandle hSLP, const char *pcSrvURL, 139*0Sstevel@tonic-gate const unsigned short usLifetime, 140*0Sstevel@tonic-gate const char *pcSrvType, 141*0Sstevel@tonic-gate const char *pcAttrs, SLPBoolean fresh, 142*0Sstevel@tonic-gate SLPRegReport callback, void *pvUser) { 143*0Sstevel@tonic-gate SLPError err; 144*0Sstevel@tonic-gate char *pcScopeList; 145*0Sstevel@tonic-gate struct reg_msg *msg; 146*0Sstevel@tonic-gate 147*0Sstevel@tonic-gate if (!hSLP || !pcSrvURL || !*pcSrvURL || !pcSrvType || 148*0Sstevel@tonic-gate !pcAttrs || !callback) { 149*0Sstevel@tonic-gate return (SLP_PARAMETER_BAD); 150*0Sstevel@tonic-gate } 151*0Sstevel@tonic-gate 152*0Sstevel@tonic-gate if ((strlen(pcSrvURL) > SLP_MAX_STRINGLEN) || 153*0Sstevel@tonic-gate (strlen(pcSrvType) > SLP_MAX_STRINGLEN) || 154*0Sstevel@tonic-gate (strlen(pcAttrs) > SLP_MAX_STRINGLEN)) { 155*0Sstevel@tonic-gate return (SLP_PARAMETER_BAD); 156*0Sstevel@tonic-gate } 157*0Sstevel@tonic-gate 158*0Sstevel@tonic-gate if ((err = find_SAscopes(&pcScopeList)) != SLP_OK) { 159*0Sstevel@tonic-gate return (err); 160*0Sstevel@tonic-gate } 161*0Sstevel@tonic-gate 162*0Sstevel@tonic-gate if ((err = slp_start_call(hSLP)) != SLP_OK) 163*0Sstevel@tonic-gate return (err); 164*0Sstevel@tonic-gate 165*0Sstevel@tonic-gate /* format params into msg */ 166*0Sstevel@tonic-gate if ((err = packSrvReg( 167*0Sstevel@tonic-gate hSLP, pcSrvURL, usLifetime, pcSrvType, 168*0Sstevel@tonic-gate pcScopeList, pcAttrs, fresh, &msg)) != SLP_OK) { 169*0Sstevel@tonic-gate free(pcScopeList); 170*0Sstevel@tonic-gate slp_end_call(hSLP); 171*0Sstevel@tonic-gate return (err); 172*0Sstevel@tonic-gate } 173*0Sstevel@tonic-gate 174*0Sstevel@tonic-gate if ((err = reg_common(hSLP, msg, pvUser, callback)) == SLP_OK && 175*0Sstevel@tonic-gate usLifetime == SLP_LIFETIME_MAXIMUM) { 176*0Sstevel@tonic-gate struct reg_msg *rereg_msg; 177*0Sstevel@tonic-gate 178*0Sstevel@tonic-gate /* create a rereg message, with no attrs */ 179*0Sstevel@tonic-gate err = packSrvReg( 180*0Sstevel@tonic-gate hSLP, pcSrvURL, usLifetime, 181*0Sstevel@tonic-gate pcSrvType, pcScopeList, "", SLP_TRUE, &rereg_msg); 182*0Sstevel@tonic-gate if (err == SLP_OK) { 183*0Sstevel@tonic-gate err = add_rereg(pcSrvURL, rereg_msg, usLifetime); 184*0Sstevel@tonic-gate } 185*0Sstevel@tonic-gate } 186*0Sstevel@tonic-gate 187*0Sstevel@tonic-gate free(pcScopeList); 188*0Sstevel@tonic-gate return (err); 189*0Sstevel@tonic-gate } 190*0Sstevel@tonic-gate 191*0Sstevel@tonic-gate static SLPError packSrvReg(slp_handle_impl_t *hp, const char *url, 192*0Sstevel@tonic-gate unsigned short lifetime, const char *type, 193*0Sstevel@tonic-gate const char *scope, const char *attrs, 194*0Sstevel@tonic-gate SLPBoolean fresh, struct reg_msg **msg) { 195*0Sstevel@tonic-gate char *m = NULL; 196*0Sstevel@tonic-gate SLPError err; 197*0Sstevel@tonic-gate size_t msgLen, tmplen, len = 0; 198*0Sstevel@tonic-gate time_t ts; 199*0Sstevel@tonic-gate struct timeval tp[1]; 200*0Sstevel@tonic-gate 201*0Sstevel@tonic-gate /* calculate the timestamp */ 202*0Sstevel@tonic-gate (void) gettimeofday(tp, NULL); 203*0Sstevel@tonic-gate ts = tp->tv_sec + lifetime; 204*0Sstevel@tonic-gate 205*0Sstevel@tonic-gate /* create the reg_msg */ 206*0Sstevel@tonic-gate *msg = NULL; 207*0Sstevel@tonic-gate if (!(*msg = calloc(1, sizeof (**msg)))) { 208*0Sstevel@tonic-gate slp_err(LOG_CRIT, 0, "packSrvReg", "out of memory"); 209*0Sstevel@tonic-gate return (SLP_MEMORY_ALLOC_FAILED); 210*0Sstevel@tonic-gate } 211*0Sstevel@tonic-gate 212*0Sstevel@tonic-gate /* compute the total messge length */ 213*0Sstevel@tonic-gate msgLen = 214*0Sstevel@tonic-gate slp_hdrlang_length(hp) + 215*0Sstevel@tonic-gate /* URL entry */ 216*0Sstevel@tonic-gate 5 + strlen(url) + 217*0Sstevel@tonic-gate /* srv reg msg */ 218*0Sstevel@tonic-gate 2 + strlen(type) + 219*0Sstevel@tonic-gate 2 + strlen(scope) + 220*0Sstevel@tonic-gate 2 + strlen(attrs); 221*0Sstevel@tonic-gate 222*0Sstevel@tonic-gate /* 223*0Sstevel@tonic-gate * Allocate memory for all the message except the auth blocks. 224*0Sstevel@tonic-gate * The iovec msgiov actually contains only pointers into this 225*0Sstevel@tonic-gate * memory. 226*0Sstevel@tonic-gate */ 227*0Sstevel@tonic-gate if (!(m = calloc(msgLen, 1))) { 228*0Sstevel@tonic-gate slp_err(LOG_CRIT, 0, "packSrvReg", "out of memory"); 229*0Sstevel@tonic-gate err = SLP_MEMORY_ALLOC_FAILED; 230*0Sstevel@tonic-gate goto error; 231*0Sstevel@tonic-gate } 232*0Sstevel@tonic-gate 233*0Sstevel@tonic-gate /* 234*0Sstevel@tonic-gate * Create iovec for the msg. The iovec components are layed out thus: 235*0Sstevel@tonic-gate * 0: header + URL 236*0Sstevel@tonic-gate * 1: URL auth block count, URL auth block 237*0Sstevel@tonic-gate * 2: attrs 238*0Sstevel@tonic-gate * 3: attrs auth block count, attr auth block 239*0Sstevel@tonic-gate */ 240*0Sstevel@tonic-gate if (!((*msg)->msgiov = calloc(4, sizeof (*((*msg)->msgiov))))) { 241*0Sstevel@tonic-gate slp_err(LOG_CRIT, 0, "packSrvReg", "out of memory"); 242*0Sstevel@tonic-gate err = SLP_MEMORY_ALLOC_FAILED; 243*0Sstevel@tonic-gate goto error; 244*0Sstevel@tonic-gate } 245*0Sstevel@tonic-gate (*msg)->msgiov_len = 4; 246*0Sstevel@tonic-gate 247*0Sstevel@tonic-gate if ((err = slp_add_header(hp->locale, m, msgLen, SRVREG, 0, &len)) 248*0Sstevel@tonic-gate != SLP_OK) 249*0Sstevel@tonic-gate goto error; 250*0Sstevel@tonic-gate /* set fresh flag */ 251*0Sstevel@tonic-gate if (fresh) 252*0Sstevel@tonic-gate slp_set_fresh(m); 253*0Sstevel@tonic-gate 254*0Sstevel@tonic-gate /* URL entry */ 255*0Sstevel@tonic-gate len++; /* skip reserved byte in URL entry */ 256*0Sstevel@tonic-gate if ((err = slp_add_sht(m, msgLen, lifetime, &len)) != SLP_OK) 257*0Sstevel@tonic-gate goto error; 258*0Sstevel@tonic-gate 259*0Sstevel@tonic-gate /* save pointer to URL for signing */ 260*0Sstevel@tonic-gate tmplen = len; 261*0Sstevel@tonic-gate (*msg)->urlbytes.iov_base = m + len; 262*0Sstevel@tonic-gate 263*0Sstevel@tonic-gate if ((err = slp_add_string(m, msgLen, url, &len)) != SLP_OK) 264*0Sstevel@tonic-gate goto error; 265*0Sstevel@tonic-gate 266*0Sstevel@tonic-gate (*msg)->urlbytes.iov_len = len - tmplen; 267*0Sstevel@tonic-gate 268*0Sstevel@tonic-gate (*msg)->msgiov[0].iov_base = m; 269*0Sstevel@tonic-gate (*msg)->msgiov[0].iov_len = len; 270*0Sstevel@tonic-gate 271*0Sstevel@tonic-gate /* add auth blocks for URL */ 272*0Sstevel@tonic-gate err = slp_sign(&((*msg)->urlbytes), 1, ts, 273*0Sstevel@tonic-gate (*msg)->msgiov, SLP_URL_AUTH); 274*0Sstevel@tonic-gate if (err != SLP_OK) { 275*0Sstevel@tonic-gate goto error; 276*0Sstevel@tonic-gate } 277*0Sstevel@tonic-gate 278*0Sstevel@tonic-gate (*msg)->msgiov[2].iov_base = m + len; 279*0Sstevel@tonic-gate 280*0Sstevel@tonic-gate /* type, scopes, and attrs */ 281*0Sstevel@tonic-gate if ((err = slp_add_string(m, msgLen, type, &len)) != SLP_OK) 282*0Sstevel@tonic-gate goto error; 283*0Sstevel@tonic-gate if ((err = slp_add_string(m, msgLen, scope, &len)) != SLP_OK) 284*0Sstevel@tonic-gate goto error; 285*0Sstevel@tonic-gate 286*0Sstevel@tonic-gate /* save pointer to attr for signing */ 287*0Sstevel@tonic-gate tmplen = len; 288*0Sstevel@tonic-gate (*msg)->attrbytes.iov_base = m + len; 289*0Sstevel@tonic-gate 290*0Sstevel@tonic-gate if ((err = slp_add_string(m, msgLen, attrs, &len)) != SLP_OK) 291*0Sstevel@tonic-gate goto error; 292*0Sstevel@tonic-gate 293*0Sstevel@tonic-gate (*msg)->attrbytes.iov_len = len - tmplen; 294*0Sstevel@tonic-gate 295*0Sstevel@tonic-gate /* length of 2nd portion is len - length of 1st portion */ 296*0Sstevel@tonic-gate (*msg)->msgiov[2].iov_len = len - (*msg)->msgiov[0].iov_len; 297*0Sstevel@tonic-gate 298*0Sstevel@tonic-gate /* add auth blocks for attrs */ 299*0Sstevel@tonic-gate err = slp_sign(&((*msg)->attrbytes), 1, ts, 300*0Sstevel@tonic-gate (*msg)->msgiov, SLP_ATTR_AUTH); 301*0Sstevel@tonic-gate if (err != SLP_OK) { 302*0Sstevel@tonic-gate goto error; 303*0Sstevel@tonic-gate } 304*0Sstevel@tonic-gate 305*0Sstevel@tonic-gate /* adjust msgLen with authblocks, and set header length */ 306*0Sstevel@tonic-gate msgLen += (*msg)->msgiov[SLP_URL_AUTH].iov_len; 307*0Sstevel@tonic-gate msgLen += (*msg)->msgiov[SLP_ATTR_AUTH].iov_len; 308*0Sstevel@tonic-gate 309*0Sstevel@tonic-gate /* make sure msgLen is valid */ 310*0Sstevel@tonic-gate if (msgLen > SLP_MAX_MSGLEN) { 311*0Sstevel@tonic-gate err = SLP_PARAMETER_BAD; 312*0Sstevel@tonic-gate goto error; 313*0Sstevel@tonic-gate } 314*0Sstevel@tonic-gate slp_set_length(m, msgLen); 315*0Sstevel@tonic-gate 316*0Sstevel@tonic-gate return (SLP_OK); 317*0Sstevel@tonic-gate error: 318*0Sstevel@tonic-gate if (m) free(m); 319*0Sstevel@tonic-gate if (*msg) { 320*0Sstevel@tonic-gate if ((*msg)->msgiov) free_msgiov((*msg)->msgiov, 4); 321*0Sstevel@tonic-gate free(*msg); 322*0Sstevel@tonic-gate } 323*0Sstevel@tonic-gate *msg = NULL; 324*0Sstevel@tonic-gate return (err); 325*0Sstevel@tonic-gate } 326*0Sstevel@tonic-gate 327*0Sstevel@tonic-gate SLPError SLPDereg(SLPHandle hSLP, const char *pURL, 328*0Sstevel@tonic-gate SLPRegReport callback, void *pvUser) { 329*0Sstevel@tonic-gate char *pcScopeList; 330*0Sstevel@tonic-gate struct reg_msg *msg; 331*0Sstevel@tonic-gate SLPError err; 332*0Sstevel@tonic-gate 333*0Sstevel@tonic-gate if (!hSLP || !pURL || !*pURL || !callback) { 334*0Sstevel@tonic-gate return (SLP_PARAMETER_BAD); 335*0Sstevel@tonic-gate } 336*0Sstevel@tonic-gate 337*0Sstevel@tonic-gate if (strlen(pURL) > SLP_MAX_STRINGLEN) { 338*0Sstevel@tonic-gate return (SLP_PARAMETER_BAD); 339*0Sstevel@tonic-gate } 340*0Sstevel@tonic-gate 341*0Sstevel@tonic-gate if ((err = find_SAscopes(&pcScopeList)) 342*0Sstevel@tonic-gate != SLP_OK) { 343*0Sstevel@tonic-gate return (err); 344*0Sstevel@tonic-gate } 345*0Sstevel@tonic-gate 346*0Sstevel@tonic-gate if ((err = slp_start_call(hSLP)) != SLP_OK) 347*0Sstevel@tonic-gate return (err); 348*0Sstevel@tonic-gate 349*0Sstevel@tonic-gate /* format params into msg */ 350*0Sstevel@tonic-gate if ((err = packSrvDereg(hSLP, pURL, pcScopeList, NULL, &msg)) 351*0Sstevel@tonic-gate != SLP_OK) { 352*0Sstevel@tonic-gate free(pcScopeList); 353*0Sstevel@tonic-gate slp_end_call(hSLP); 354*0Sstevel@tonic-gate return (err); 355*0Sstevel@tonic-gate } 356*0Sstevel@tonic-gate 357*0Sstevel@tonic-gate if ((err = reg_common(hSLP, msg, pvUser, callback)) == SLP_OK) { 358*0Sstevel@tonic-gate (void) dereg_rereg(pURL); 359*0Sstevel@tonic-gate } 360*0Sstevel@tonic-gate 361*0Sstevel@tonic-gate free(pcScopeList); 362*0Sstevel@tonic-gate return (err); 363*0Sstevel@tonic-gate } 364*0Sstevel@tonic-gate 365*0Sstevel@tonic-gate SLPError SLPDelAttrs(SLPHandle hSLP, const char *pURL, 366*0Sstevel@tonic-gate const char *pcAttrs, 367*0Sstevel@tonic-gate SLPRegReport callback, void *pvUser) { 368*0Sstevel@tonic-gate SLPError err; 369*0Sstevel@tonic-gate char *pcScopeList; 370*0Sstevel@tonic-gate struct reg_msg *msg; 371*0Sstevel@tonic-gate 372*0Sstevel@tonic-gate if (!hSLP || !pURL || !*pURL || !pcAttrs || !callback) { 373*0Sstevel@tonic-gate return (SLP_PARAMETER_BAD); 374*0Sstevel@tonic-gate } 375*0Sstevel@tonic-gate 376*0Sstevel@tonic-gate if ((strlen(pURL) > SLP_MAX_STRINGLEN) || 377*0Sstevel@tonic-gate (strlen(pcAttrs) > SLP_MAX_STRINGLEN)) { 378*0Sstevel@tonic-gate return (SLP_PARAMETER_BAD); 379*0Sstevel@tonic-gate } 380*0Sstevel@tonic-gate 381*0Sstevel@tonic-gate if ((err = find_SAscopes(&pcScopeList)) 382*0Sstevel@tonic-gate != SLP_OK) { 383*0Sstevel@tonic-gate return (err); 384*0Sstevel@tonic-gate } 385*0Sstevel@tonic-gate 386*0Sstevel@tonic-gate if ((err = slp_start_call(hSLP)) != SLP_OK) 387*0Sstevel@tonic-gate return (err); 388*0Sstevel@tonic-gate 389*0Sstevel@tonic-gate /* format params into msg */ 390*0Sstevel@tonic-gate if ((err = packSrvDereg(hSLP, pURL, pcScopeList, pcAttrs, &msg)) 391*0Sstevel@tonic-gate != SLP_OK) { 392*0Sstevel@tonic-gate free(pcScopeList); 393*0Sstevel@tonic-gate slp_end_call(hSLP); 394*0Sstevel@tonic-gate return (err); 395*0Sstevel@tonic-gate } 396*0Sstevel@tonic-gate 397*0Sstevel@tonic-gate free(pcScopeList); 398*0Sstevel@tonic-gate return (reg_common(hSLP, msg, pvUser, callback)); 399*0Sstevel@tonic-gate } 400*0Sstevel@tonic-gate 401*0Sstevel@tonic-gate static SLPError packSrvDereg(slp_handle_impl_t *hp, const char *url, 402*0Sstevel@tonic-gate const char *scopes, const char *attrs, 403*0Sstevel@tonic-gate struct reg_msg **msg) { 404*0Sstevel@tonic-gate char *m = NULL; 405*0Sstevel@tonic-gate SLPError err; 406*0Sstevel@tonic-gate size_t msgLen, tmplen, len = 0; 407*0Sstevel@tonic-gate 408*0Sstevel@tonic-gate /* create the reg_msg */ 409*0Sstevel@tonic-gate *msg = NULL; 410*0Sstevel@tonic-gate if (!(*msg = calloc(1, sizeof (**msg)))) { 411*0Sstevel@tonic-gate slp_err(LOG_CRIT, 0, "packSrvReg", "out of memory"); 412*0Sstevel@tonic-gate return (SLP_MEMORY_ALLOC_FAILED); 413*0Sstevel@tonic-gate } 414*0Sstevel@tonic-gate 415*0Sstevel@tonic-gate /* compute the total message length */ 416*0Sstevel@tonic-gate attrs = (attrs ? attrs : ""); 417*0Sstevel@tonic-gate msgLen = 418*0Sstevel@tonic-gate slp_hdrlang_length(hp) + 419*0Sstevel@tonic-gate 2 + strlen(scopes) + 420*0Sstevel@tonic-gate /* URL entry */ 421*0Sstevel@tonic-gate 5 + strlen(url) + 422*0Sstevel@tonic-gate 2 + strlen(attrs); 423*0Sstevel@tonic-gate 424*0Sstevel@tonic-gate if (!(m = calloc(msgLen, 1))) { 425*0Sstevel@tonic-gate slp_err(LOG_CRIT, 0, "packSrvDereg", "out of memory"); 426*0Sstevel@tonic-gate return (SLP_MEMORY_ALLOC_FAILED); 427*0Sstevel@tonic-gate } 428*0Sstevel@tonic-gate 429*0Sstevel@tonic-gate /* 430*0Sstevel@tonic-gate * Create iovec for the msg. The iovec components are layed out thus: 431*0Sstevel@tonic-gate * 0: header + URL 432*0Sstevel@tonic-gate * 1: URL auth block count, URL auth block 433*0Sstevel@tonic-gate * 2: attrs 434*0Sstevel@tonic-gate */ 435*0Sstevel@tonic-gate if (!((*msg)->msgiov = calloc(3, sizeof (*((*msg)->msgiov))))) { 436*0Sstevel@tonic-gate slp_err(LOG_CRIT, 0, "packSrvDereg", "out of memory"); 437*0Sstevel@tonic-gate err = SLP_MEMORY_ALLOC_FAILED; 438*0Sstevel@tonic-gate goto error; 439*0Sstevel@tonic-gate } 440*0Sstevel@tonic-gate (*msg)->msgiov_len = 3; 441*0Sstevel@tonic-gate 442*0Sstevel@tonic-gate if ((err = slp_add_header( 443*0Sstevel@tonic-gate hp->locale, m, msgLen, SRVDEREG, 0, &len)) != SLP_OK) 444*0Sstevel@tonic-gate goto error; 445*0Sstevel@tonic-gate 446*0Sstevel@tonic-gate /* scopes */ 447*0Sstevel@tonic-gate if ((err = slp_add_string(m, msgLen, scopes, &len)) != SLP_OK) 448*0Sstevel@tonic-gate goto error; 449*0Sstevel@tonic-gate 450*0Sstevel@tonic-gate /* URL Entry */ 451*0Sstevel@tonic-gate len++; /* skip reserved byte in URL entry */ 452*0Sstevel@tonic-gate if ((err = slp_add_sht(m, msgLen, 0, &len)) != SLP_OK) 453*0Sstevel@tonic-gate goto error; 454*0Sstevel@tonic-gate 455*0Sstevel@tonic-gate /* save pointer to URL for signing */ 456*0Sstevel@tonic-gate tmplen = len; 457*0Sstevel@tonic-gate (*msg)->urlbytes.iov_base = m + len; 458*0Sstevel@tonic-gate 459*0Sstevel@tonic-gate if ((err = slp_add_string(m, msgLen, url, &len)) != SLP_OK) 460*0Sstevel@tonic-gate goto error; 461*0Sstevel@tonic-gate 462*0Sstevel@tonic-gate (*msg)->urlbytes.iov_len = len - tmplen; 463*0Sstevel@tonic-gate 464*0Sstevel@tonic-gate (*msg)->msgiov[0].iov_base = m; 465*0Sstevel@tonic-gate (*msg)->msgiov[0].iov_len = len; 466*0Sstevel@tonic-gate 467*0Sstevel@tonic-gate /* add auth blocks for URL */ 468*0Sstevel@tonic-gate err = slp_sign(&((*msg)->urlbytes), 1, 0, 469*0Sstevel@tonic-gate (*msg)->msgiov, SLP_URL_AUTH); 470*0Sstevel@tonic-gate if (err != SLP_OK) { 471*0Sstevel@tonic-gate goto error; 472*0Sstevel@tonic-gate } 473*0Sstevel@tonic-gate 474*0Sstevel@tonic-gate (*msg)->msgiov[2].iov_base = m + len; 475*0Sstevel@tonic-gate 476*0Sstevel@tonic-gate /* tag list */ 477*0Sstevel@tonic-gate if ((err = slp_add_string(m, msgLen, attrs, &len)) != SLP_OK) 478*0Sstevel@tonic-gate goto error; 479*0Sstevel@tonic-gate 480*0Sstevel@tonic-gate /* length of 2nd portion is len - length of 1st portion */ 481*0Sstevel@tonic-gate (*msg)->msgiov[2].iov_len = len - (*msg)->msgiov[0].iov_len; 482*0Sstevel@tonic-gate 483*0Sstevel@tonic-gate /* adjust msgLen with authblocks, and set header length */ 484*0Sstevel@tonic-gate msgLen += (*msg)->msgiov[SLP_URL_AUTH].iov_len; 485*0Sstevel@tonic-gate 486*0Sstevel@tonic-gate /* make sure msgLen is valid */ 487*0Sstevel@tonic-gate if (msgLen > SLP_MAX_MSGLEN) { 488*0Sstevel@tonic-gate err = SLP_PARAMETER_BAD; 489*0Sstevel@tonic-gate goto error; 490*0Sstevel@tonic-gate } 491*0Sstevel@tonic-gate slp_set_length(m, msgLen); 492*0Sstevel@tonic-gate 493*0Sstevel@tonic-gate return (SLP_OK); 494*0Sstevel@tonic-gate error: 495*0Sstevel@tonic-gate if (m) free(m); 496*0Sstevel@tonic-gate if (*msg) { 497*0Sstevel@tonic-gate if ((*msg)->msgiov) free_msgiov((*msg)->msgiov, 3); 498*0Sstevel@tonic-gate free(*msg); 499*0Sstevel@tonic-gate } 500*0Sstevel@tonic-gate *msg = NULL; 501*0Sstevel@tonic-gate return (err); 502*0Sstevel@tonic-gate } 503*0Sstevel@tonic-gate 504*0Sstevel@tonic-gate /* 505*0Sstevel@tonic-gate * Passes the packed message to the routines which talk to slpd. 506*0Sstevel@tonic-gate */ 507*0Sstevel@tonic-gate static SLPError reg_common(slp_handle_impl_t *hp, struct reg_msg *msg, 508*0Sstevel@tonic-gate void *cookie, SLPRegReport callback) { 509*0Sstevel@tonic-gate SLPError err; 510*0Sstevel@tonic-gate 511*0Sstevel@tonic-gate if (!slp_reg_thr_running) 512*0Sstevel@tonic-gate if ((err = start_reg_thr()) != SLP_OK) 513*0Sstevel@tonic-gate goto reg_done; 514*0Sstevel@tonic-gate 515*0Sstevel@tonic-gate if (hp->async) 516*0Sstevel@tonic-gate err = enqueue_reg(hp, msg, cookie, callback); 517*0Sstevel@tonic-gate else 518*0Sstevel@tonic-gate err = reg_impl(hp, msg, cookie, callback); 519*0Sstevel@tonic-gate 520*0Sstevel@tonic-gate reg_done: 521*0Sstevel@tonic-gate /* If an error occurred, end_call() will not have happened */ 522*0Sstevel@tonic-gate if (err != SLP_OK) 523*0Sstevel@tonic-gate slp_end_call(hp); 524*0Sstevel@tonic-gate return (err); 525*0Sstevel@tonic-gate } 526*0Sstevel@tonic-gate 527*0Sstevel@tonic-gate /* 528*0Sstevel@tonic-gate * Put a reg message on the queue. Assumes reg_thread is running. 529*0Sstevel@tonic-gate */ 530*0Sstevel@tonic-gate static SLPError enqueue_reg(slp_handle_impl_t *hp, struct reg_msg *msg, 531*0Sstevel@tonic-gate void *cookie, SLPRegReport cb) { 532*0Sstevel@tonic-gate struct reg_q_msg *rmsg; 533*0Sstevel@tonic-gate 534*0Sstevel@tonic-gate if (!(rmsg = malloc(sizeof (*rmsg)))) { 535*0Sstevel@tonic-gate slp_err(LOG_CRIT, 0, "enqueue_reg", "out of memory"); 536*0Sstevel@tonic-gate return (SLP_MEMORY_ALLOC_FAILED); 537*0Sstevel@tonic-gate } 538*0Sstevel@tonic-gate 539*0Sstevel@tonic-gate rmsg->msg = msg; 540*0Sstevel@tonic-gate rmsg->hp = hp; 541*0Sstevel@tonic-gate rmsg->cb = cb; 542*0Sstevel@tonic-gate rmsg->cookie = cookie; 543*0Sstevel@tonic-gate 544*0Sstevel@tonic-gate return (slp_enqueue(reg_q, rmsg)); 545*0Sstevel@tonic-gate } 546*0Sstevel@tonic-gate 547*0Sstevel@tonic-gate /* 548*0Sstevel@tonic-gate * Create a new reg_q and start the reg thread. 549*0Sstevel@tonic-gate */ 550*0Sstevel@tonic-gate static SLPError start_reg_thr() { 551*0Sstevel@tonic-gate SLPError err = SLP_OK; 552*0Sstevel@tonic-gate int terr; 553*0Sstevel@tonic-gate 554*0Sstevel@tonic-gate (void) mutex_lock(&start_lock); 555*0Sstevel@tonic-gate /* make sure someone else hasn't already intialized the thread */ 556*0Sstevel@tonic-gate if (slp_reg_thr_running) { 557*0Sstevel@tonic-gate goto start_done; 558*0Sstevel@tonic-gate } 559*0Sstevel@tonic-gate 560*0Sstevel@tonic-gate /* create the reg queue */ 561*0Sstevel@tonic-gate reg_q = slp_new_queue(&err); 562*0Sstevel@tonic-gate if (err != SLP_OK) { 563*0Sstevel@tonic-gate goto start_done; 564*0Sstevel@tonic-gate } 565*0Sstevel@tonic-gate 566*0Sstevel@tonic-gate /* start the reg thread */ 567*0Sstevel@tonic-gate if ((terr = thr_create( 568*0Sstevel@tonic-gate 0, NULL, (void *(*)(void *)) reg_thread, 569*0Sstevel@tonic-gate NULL, 0, NULL)) != 0) { 570*0Sstevel@tonic-gate slp_err(LOG_CRIT, 0, "start_reg_thr", 571*0Sstevel@tonic-gate "could not start thread: %s", 572*0Sstevel@tonic-gate strerror(terr)); 573*0Sstevel@tonic-gate slp_destroy_queue(reg_q); 574*0Sstevel@tonic-gate err = SLP_INTERNAL_SYSTEM_ERROR; 575*0Sstevel@tonic-gate goto start_done; 576*0Sstevel@tonic-gate } 577*0Sstevel@tonic-gate slp_reg_thr_running = 1; 578*0Sstevel@tonic-gate 579*0Sstevel@tonic-gate start_done: 580*0Sstevel@tonic-gate (void) mutex_unlock(&start_lock); 581*0Sstevel@tonic-gate return (err); 582*0Sstevel@tonic-gate } 583*0Sstevel@tonic-gate 584*0Sstevel@tonic-gate /* 585*0Sstevel@tonic-gate * This is what the permanent reg thread runs; it just sits in a loop 586*0Sstevel@tonic-gate * monitoring the reg_q for new reg messages. 587*0Sstevel@tonic-gate * 588*0Sstevel@tonic-gate * To conserve resources, 589*0Sstevel@tonic-gate * if there are no more registrations to refresh, it will exit. 590*0Sstevel@tonic-gate */ 591*0Sstevel@tonic-gate static void reg_thread() { 592*0Sstevel@tonic-gate timestruc_t timeout; 593*0Sstevel@tonic-gate timeout.tv_nsec = 0; 594*0Sstevel@tonic-gate 595*0Sstevel@tonic-gate for (;;) { 596*0Sstevel@tonic-gate SLPBoolean etimed; 597*0Sstevel@tonic-gate struct reg_q_msg *rmsg; 598*0Sstevel@tonic-gate 599*0Sstevel@tonic-gate /* get the next message from the queue */ 600*0Sstevel@tonic-gate timeout.tv_sec = 601*0Sstevel@tonic-gate next_wake_time ? next_wake_time : time(NULL) + 5; 602*0Sstevel@tonic-gate rmsg = slp_dequeue_timed(reg_q, &timeout, &etimed); 603*0Sstevel@tonic-gate if (!rmsg && etimed == SLP_TRUE) { 604*0Sstevel@tonic-gate /* timed out */ 605*0Sstevel@tonic-gate if (!check_reregs()) { 606*0Sstevel@tonic-gate /* no more reregs; shut down this thread */ 607*0Sstevel@tonic-gate (void) mutex_lock(&start_lock); 608*0Sstevel@tonic-gate slp_destroy_queue(reg_q); 609*0Sstevel@tonic-gate slp_reg_thr_running = 0; 610*0Sstevel@tonic-gate (void) mutex_unlock(&start_lock); 611*0Sstevel@tonic-gate thr_exit(NULL); 612*0Sstevel@tonic-gate } 613*0Sstevel@tonic-gate continue; 614*0Sstevel@tonic-gate } 615*0Sstevel@tonic-gate if (!rmsg) 616*0Sstevel@tonic-gate continue; 617*0Sstevel@tonic-gate 618*0Sstevel@tonic-gate /* got a new message */ 619*0Sstevel@tonic-gate (void) reg_impl(rmsg->hp, rmsg->msg, rmsg->cookie, rmsg->cb); 620*0Sstevel@tonic-gate free(rmsg); 621*0Sstevel@tonic-gate (void) check_reregs(); 622*0Sstevel@tonic-gate } 623*0Sstevel@tonic-gate } 624*0Sstevel@tonic-gate 625*0Sstevel@tonic-gate /* 626*0Sstevel@tonic-gate * Unpacks a SrvAck. 627*0Sstevel@tonic-gate * 'reply' should point to the beginning of the header. 628*0Sstevel@tonic-gate */ 629*0Sstevel@tonic-gate static SLPError UnpackSrvAck(char *reply, SLPError *ans) { 630*0Sstevel@tonic-gate SLPError err; 631*0Sstevel@tonic-gate unsigned short langlen, call_err; 632*0Sstevel@tonic-gate char *p = reply + SLP_HDRLEN; 633*0Sstevel@tonic-gate 634*0Sstevel@tonic-gate langlen = slp_get_langlen(reply); 635*0Sstevel@tonic-gate p += langlen; 636*0Sstevel@tonic-gate if ((err = slp_get_sht(p, 0, NULL, &call_err)) != SLP_OK) 637*0Sstevel@tonic-gate return (err); 638*0Sstevel@tonic-gate 639*0Sstevel@tonic-gate *ans = slp_map_err(call_err); 640*0Sstevel@tonic-gate 641*0Sstevel@tonic-gate return (SLP_OK); 642*0Sstevel@tonic-gate } 643*0Sstevel@tonic-gate 644*0Sstevel@tonic-gate /* 645*0Sstevel@tonic-gate * The dispatcher for SA messages. Sends a message to slpd, unpacks and 646*0Sstevel@tonic-gate * dispatches the reply to the user callback. 647*0Sstevel@tonic-gate */ 648*0Sstevel@tonic-gate static SLPError reg_impl(slp_handle_impl_t *hp, struct reg_msg *msg, 649*0Sstevel@tonic-gate void *cookie, SLPRegReport cb) { 650*0Sstevel@tonic-gate char *reply = NULL; 651*0Sstevel@tonic-gate SLPError err, call_err; 652*0Sstevel@tonic-gate 653*0Sstevel@tonic-gate if (hp->cancel) 654*0Sstevel@tonic-gate goto transaction_complete; 655*0Sstevel@tonic-gate 656*0Sstevel@tonic-gate if ((err = slp_send2slpd_iov(msg->msgiov, msg->msgiov_len, &reply)) 657*0Sstevel@tonic-gate != SLP_OK) 658*0Sstevel@tonic-gate goto transaction_complete; 659*0Sstevel@tonic-gate 660*0Sstevel@tonic-gate /* through with msg, so free it now */ 661*0Sstevel@tonic-gate free_msgiov(msg->msgiov, msg->msgiov_len); 662*0Sstevel@tonic-gate free(msg); 663*0Sstevel@tonic-gate 664*0Sstevel@tonic-gate if ((err = UnpackSrvAck(reply, &call_err)) != SLP_OK) 665*0Sstevel@tonic-gate goto transaction_complete; 666*0Sstevel@tonic-gate 667*0Sstevel@tonic-gate /* the reg thread doubles as the consumer thread for SA calls */ 668*0Sstevel@tonic-gate hp->consumer_tid = thr_self(); 669*0Sstevel@tonic-gate 670*0Sstevel@tonic-gate cb(hp, call_err, cookie); 671*0Sstevel@tonic-gate 672*0Sstevel@tonic-gate transaction_complete: 673*0Sstevel@tonic-gate if (reply) { 674*0Sstevel@tonic-gate free(reply); 675*0Sstevel@tonic-gate } 676*0Sstevel@tonic-gate slp_end_call(hp); 677*0Sstevel@tonic-gate return (err); 678*0Sstevel@tonic-gate } 679*0Sstevel@tonic-gate 680*0Sstevel@tonic-gate /* 681*0Sstevel@tonic-gate * Re-registration routines 682*0Sstevel@tonic-gate */ 683*0Sstevel@tonic-gate 684*0Sstevel@tonic-gate /* 685*0Sstevel@tonic-gate * Adds the registration contained in 'msg' to the refresh registration 686*0Sstevel@tonic-gate * list managed by reg_thread. 687*0Sstevel@tonic-gate * Only registrations which are meant to be permanent are refreshed, 688*0Sstevel@tonic-gate * so we only allow reg's with lifetime == SLP_LIFETIME_PERMANENT into 689*0Sstevel@tonic-gate * the rereg table. 690*0Sstevel@tonic-gate */ 691*0Sstevel@tonic-gate static SLPError add_rereg(const char *url, struct reg_msg *msg, 692*0Sstevel@tonic-gate unsigned short lifetime) { 693*0Sstevel@tonic-gate struct rereg_entry *reg; 694*0Sstevel@tonic-gate SLPError err = SLP_OK; 695*0Sstevel@tonic-gate 696*0Sstevel@tonic-gate if (lifetime != SLP_LIFETIME_MAXIMUM) { 697*0Sstevel@tonic-gate return (SLP_OK); 698*0Sstevel@tonic-gate } 699*0Sstevel@tonic-gate 700*0Sstevel@tonic-gate (void) mutex_lock(&rereg_lock); 701*0Sstevel@tonic-gate /* alloc a new rereg entry */ 702*0Sstevel@tonic-gate if (!(reg = malloc(sizeof (*reg)))) { 703*0Sstevel@tonic-gate slp_err(LOG_CRIT, 0, "add_rereg", "out of memory"); 704*0Sstevel@tonic-gate err = SLP_MEMORY_ALLOC_FAILED; 705*0Sstevel@tonic-gate goto done; 706*0Sstevel@tonic-gate } 707*0Sstevel@tonic-gate 708*0Sstevel@tonic-gate if (!(reg->url = strdup(url))) { 709*0Sstevel@tonic-gate free(reg); 710*0Sstevel@tonic-gate slp_err(LOG_CRIT, 0, "add_rereg", "out of memory"); 711*0Sstevel@tonic-gate err = SLP_MEMORY_ALLOC_FAILED; 712*0Sstevel@tonic-gate goto done; 713*0Sstevel@tonic-gate } 714*0Sstevel@tonic-gate 715*0Sstevel@tonic-gate reg->msg = msg; 716*0Sstevel@tonic-gate reg->lifetime = lifetime; 717*0Sstevel@tonic-gate reg->wake_time = (time(NULL) + lifetime) - 60; 718*0Sstevel@tonic-gate reg->next = NULL; 719*0Sstevel@tonic-gate 720*0Sstevel@tonic-gate /* adjust the next wake time if necessary */ 721*0Sstevel@tonic-gate next_wake_time = 722*0Sstevel@tonic-gate reg->wake_time < next_wake_time ? 723*0Sstevel@tonic-gate reg->wake_time : next_wake_time; 724*0Sstevel@tonic-gate 725*0Sstevel@tonic-gate /* add the rereg to the list */ 726*0Sstevel@tonic-gate if (!reregs) { 727*0Sstevel@tonic-gate /* first one */ 728*0Sstevel@tonic-gate reregs = reg; 729*0Sstevel@tonic-gate goto done; 730*0Sstevel@tonic-gate } 731*0Sstevel@tonic-gate 732*0Sstevel@tonic-gate /* else add it to the beginning of the list */ 733*0Sstevel@tonic-gate reg->next = reregs; 734*0Sstevel@tonic-gate reregs = reg; 735*0Sstevel@tonic-gate 736*0Sstevel@tonic-gate done: 737*0Sstevel@tonic-gate (void) mutex_unlock(&rereg_lock); 738*0Sstevel@tonic-gate return (err); 739*0Sstevel@tonic-gate } 740*0Sstevel@tonic-gate 741*0Sstevel@tonic-gate /* 742*0Sstevel@tonic-gate * Walks through the rereg list and re-registers any which will expire 743*0Sstevel@tonic-gate * before the reg thread wakes up and checks again. 744*0Sstevel@tonic-gate * Returns true if there are more reregs on the list, false if none. 745*0Sstevel@tonic-gate */ 746*0Sstevel@tonic-gate static SLPBoolean check_reregs() { 747*0Sstevel@tonic-gate struct rereg_entry *p; 748*0Sstevel@tonic-gate time_t now, shortest_wait; 749*0Sstevel@tonic-gate SLPBoolean more = SLP_TRUE; 750*0Sstevel@tonic-gate 751*0Sstevel@tonic-gate (void) mutex_lock(&rereg_lock); 752*0Sstevel@tonic-gate 753*0Sstevel@tonic-gate if (!reregs) { 754*0Sstevel@tonic-gate more = SLP_FALSE; 755*0Sstevel@tonic-gate goto done; 756*0Sstevel@tonic-gate } 757*0Sstevel@tonic-gate 758*0Sstevel@tonic-gate now = time(NULL); 759*0Sstevel@tonic-gate shortest_wait = now + reregs->lifetime; 760*0Sstevel@tonic-gate 761*0Sstevel@tonic-gate for (p = reregs; p; p = p->next) { 762*0Sstevel@tonic-gate if (now > (p->wake_time - granularity)) { 763*0Sstevel@tonic-gate char *reply; 764*0Sstevel@tonic-gate 765*0Sstevel@tonic-gate /* rereg it, first recalculating signature */ 766*0Sstevel@tonic-gate (void) slp_sign(&(p->msg->urlbytes), 1, now + p->lifetime, 767*0Sstevel@tonic-gate p->msg->msgiov, 1); 768*0Sstevel@tonic-gate (void) slp_sign(&(p->msg->attrbytes), 1, now + p->lifetime, 769*0Sstevel@tonic-gate p->msg->msgiov, 3); 770*0Sstevel@tonic-gate 771*0Sstevel@tonic-gate (void) slp_send2slpd_iov( 772*0Sstevel@tonic-gate p->msg->msgiov, p->msg->msgiov_len, &reply); 773*0Sstevel@tonic-gate if (reply) 774*0Sstevel@tonic-gate free(reply); 775*0Sstevel@tonic-gate 776*0Sstevel@tonic-gate p->wake_time = now + p->lifetime; 777*0Sstevel@tonic-gate } 778*0Sstevel@tonic-gate 779*0Sstevel@tonic-gate if (p->wake_time < shortest_wait) 780*0Sstevel@tonic-gate shortest_wait = p->wake_time; 781*0Sstevel@tonic-gate } 782*0Sstevel@tonic-gate next_wake_time = shortest_wait; 783*0Sstevel@tonic-gate 784*0Sstevel@tonic-gate done: 785*0Sstevel@tonic-gate (void) mutex_unlock(&rereg_lock); 786*0Sstevel@tonic-gate return (more); 787*0Sstevel@tonic-gate } 788*0Sstevel@tonic-gate 789*0Sstevel@tonic-gate /* 790*0Sstevel@tonic-gate * Removes the refresh registration for 'url'. 791*0Sstevel@tonic-gate */ 792*0Sstevel@tonic-gate static unsigned short dereg_rereg(const char *url) { 793*0Sstevel@tonic-gate struct rereg_entry *p, *q; 794*0Sstevel@tonic-gate unsigned short lifetime = 0; 795*0Sstevel@tonic-gate 796*0Sstevel@tonic-gate (void) mutex_lock(&rereg_lock); 797*0Sstevel@tonic-gate for (p = q = reregs; p; p = p->next) { 798*0Sstevel@tonic-gate if (slp_strcasecmp(p->url, url) == 0) { 799*0Sstevel@tonic-gate /* found it; remove it from the list */ 800*0Sstevel@tonic-gate if (p == q) { 801*0Sstevel@tonic-gate /* first one on list */ 802*0Sstevel@tonic-gate reregs = p->next; 803*0Sstevel@tonic-gate } else { 804*0Sstevel@tonic-gate q->next = p->next; 805*0Sstevel@tonic-gate } 806*0Sstevel@tonic-gate 807*0Sstevel@tonic-gate /* free the entry */ 808*0Sstevel@tonic-gate lifetime = p->lifetime; 809*0Sstevel@tonic-gate free(p->url); 810*0Sstevel@tonic-gate /* free the message memory */ 811*0Sstevel@tonic-gate free(p->msg->msgiov[0].iov_base); 812*0Sstevel@tonic-gate /* free the URL auth block */ 813*0Sstevel@tonic-gate free(p->msg->msgiov[SLP_URL_AUTH].iov_base); 814*0Sstevel@tonic-gate /* free the attr auth block */ 815*0Sstevel@tonic-gate free(p->msg->msgiov[SLP_ATTR_AUTH].iov_base); 816*0Sstevel@tonic-gate /* free the message iovec */ 817*0Sstevel@tonic-gate free(p->msg->msgiov); 818*0Sstevel@tonic-gate /* finally, free the message structure */ 819*0Sstevel@tonic-gate free(p->msg); 820*0Sstevel@tonic-gate free(p); 821*0Sstevel@tonic-gate 822*0Sstevel@tonic-gate goto done; 823*0Sstevel@tonic-gate } 824*0Sstevel@tonic-gate 825*0Sstevel@tonic-gate q = p; 826*0Sstevel@tonic-gate } 827*0Sstevel@tonic-gate 828*0Sstevel@tonic-gate done: 829*0Sstevel@tonic-gate (void) mutex_unlock(&rereg_lock); 830*0Sstevel@tonic-gate return (lifetime); 831*0Sstevel@tonic-gate } 832*0Sstevel@tonic-gate 833*0Sstevel@tonic-gate /* 834*0Sstevel@tonic-gate * Returns configured scopes in scopes. Caller should free *scopes 835*0Sstevel@tonic-gate * when done. If the scope string is too long for an SLP string, the 836*0Sstevel@tonic-gate * string is truncated. 837*0Sstevel@tonic-gate */ 838*0Sstevel@tonic-gate static SLPError find_SAscopes(char **scopes) { 839*0Sstevel@tonic-gate SLPError err; 840*0Sstevel@tonic-gate 841*0Sstevel@tonic-gate if ((err = slp_administrative_scopes(scopes, SLP_TRUE)) 842*0Sstevel@tonic-gate != SLP_OK) { 843*0Sstevel@tonic-gate return (err); 844*0Sstevel@tonic-gate } 845*0Sstevel@tonic-gate 846*0Sstevel@tonic-gate /* Ensure string is not too long */ 847*0Sstevel@tonic-gate if (strlen(*scopes) > SLP_MAX_STRINGLEN) { 848*0Sstevel@tonic-gate /* truncate the string */ 849*0Sstevel@tonic-gate if ((*scopes)[SLP_MAX_STRINGLEN - 1] == ',') { 850*0Sstevel@tonic-gate /* scopes can't end with ',' */ 851*0Sstevel@tonic-gate (*scopes)[SLP_MAX_STRINGLEN - 1] = 0; 852*0Sstevel@tonic-gate } else { 853*0Sstevel@tonic-gate (*scopes)[SLP_MAX_STRINGLEN] = 0; 854*0Sstevel@tonic-gate } 855*0Sstevel@tonic-gate } 856*0Sstevel@tonic-gate 857*0Sstevel@tonic-gate return (SLP_OK); 858*0Sstevel@tonic-gate } 859*0Sstevel@tonic-gate 860*0Sstevel@tonic-gate /* 861*0Sstevel@tonic-gate * Does all the dirty work of freeing a msgiov. 862*0Sstevel@tonic-gate */ 863*0Sstevel@tonic-gate static void free_msgiov(struct iovec *msgiov, int iovlen) { 864*0Sstevel@tonic-gate /* free the message memory */ 865*0Sstevel@tonic-gate free(msgiov[0].iov_base); 866*0Sstevel@tonic-gate /* free the URL auth block */ 867*0Sstevel@tonic-gate free(msgiov[SLP_URL_AUTH].iov_base); 868*0Sstevel@tonic-gate if (iovlen == 4) { 869*0Sstevel@tonic-gate /* free the attr auth block */ 870*0Sstevel@tonic-gate free(msgiov[SLP_ATTR_AUTH].iov_base); 871*0Sstevel@tonic-gate } 872*0Sstevel@tonic-gate /* free the message iovec */ 873*0Sstevel@tonic-gate free(msgiov); 874*0Sstevel@tonic-gate } 875