1b6dec9f0SBrian Somers /*- 2b6dec9f0SBrian Somers * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org> 3b6dec9f0SBrian Somers * All rights reserved. 4af57ed9fSAtsushi Murai * 5b6dec9f0SBrian Somers * Redistribution and use in source and binary forms, with or without 6b6dec9f0SBrian Somers * modification, are permitted provided that the following conditions 7b6dec9f0SBrian Somers * are met: 8b6dec9f0SBrian Somers * 1. Redistributions of source code must retain the above copyright 9b6dec9f0SBrian Somers * notice, this list of conditions and the following disclaimer. 10b6dec9f0SBrian Somers * 2. Redistributions in binary form must reproduce the above copyright 11b6dec9f0SBrian Somers * notice, this list of conditions and the following disclaimer in the 12b6dec9f0SBrian Somers * documentation and/or other materials provided with the distribution. 13af57ed9fSAtsushi Murai * 14b6dec9f0SBrian Somers * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15b6dec9f0SBrian Somers * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16b6dec9f0SBrian Somers * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17b6dec9f0SBrian Somers * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18b6dec9f0SBrian Somers * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19b6dec9f0SBrian Somers * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20b6dec9f0SBrian Somers * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21b6dec9f0SBrian Somers * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22b6dec9f0SBrian Somers * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23b6dec9f0SBrian Somers * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24b6dec9f0SBrian Somers * SUCH DAMAGE. 25af57ed9fSAtsushi Murai * 2697d92980SPeter Wemm * $FreeBSD$ 27af57ed9fSAtsushi Murai */ 2875240ed1SBrian Somers 29972a1bcfSBrian Somers #include <sys/param.h> 301ae349f5Scvs2svn #include <netinet/in.h> 3192f4ff1cSBrian Somers #include <netinet/in_systm.h> 3292f4ff1cSBrian Somers #include <netinet/ip.h> 3330949fd4SBrian Somers #include <sys/socket.h> 341fa665f5SBrian Somers #include <sys/un.h> 351ae349f5Scvs2svn 3675240ed1SBrian Somers #include <errno.h> 3775240ed1SBrian Somers #include <fcntl.h> 38b762af4fSBrian Somers #include <paths.h> 3975240ed1SBrian Somers #include <stdio.h> 4075240ed1SBrian Somers #include <stdlib.h> 4175240ed1SBrian Somers #include <string.h> 4275240ed1SBrian Somers #include <sys/wait.h> 4375240ed1SBrian Somers #include <termios.h> 4475240ed1SBrian Somers #include <unistd.h> 4575240ed1SBrian Somers 465d9e6103SBrian Somers #include "layer.h" 4775240ed1SBrian Somers #include "mbuf.h" 4875240ed1SBrian Somers #include "log.h" 4975240ed1SBrian Somers #include "defs.h" 5075240ed1SBrian Somers #include "timer.h" 51879ed6faSBrian Somers #include "lqr.h" 526140ba11SBrian Somers #include "hdlc.h" 536140ba11SBrian Somers #include "throughput.h" 546140ba11SBrian Somers #include "fsm.h" 556140ba11SBrian Somers #include "lcp.h" 563b0f8d2eSBrian Somers #include "ccp.h" 576140ba11SBrian Somers #include "link.h" 586140ba11SBrian Somers #include "async.h" 5942d4d396SBrian Somers #include "descriptor.h" 6063b73463SBrian Somers #include "physical.h" 61274e766cSBrian Somers #include "chat.h" 6292f4ff1cSBrian Somers #include "mp.h" 6392f4ff1cSBrian Somers #include "auth.h" 6492f4ff1cSBrian Somers #include "chap.h" 6592f4ff1cSBrian Somers #include "slcompress.h" 6692f4ff1cSBrian Somers #include "iplist.h" 6730949fd4SBrian Somers #include "ncpaddr.h" 6892f4ff1cSBrian Somers #include "ipcp.h" 6992f4ff1cSBrian Somers #include "filter.h" 7092b09558SBrian Somers #include "cbcp.h" 71a8103305SBrian Somers #include "command.h" 7292f4ff1cSBrian Somers #include "datalink.h" 73972a1bcfSBrian Somers #ifndef NORADIUS 74972a1bcfSBrian Somers #include "radius.h" 75972a1bcfSBrian Somers #endif 7630949fd4SBrian Somers #include "ipv6cp.h" 7730949fd4SBrian Somers #include "ncp.h" 7892f4ff1cSBrian Somers #include "bundle.h" 79e7d008b4SBrian Somers #include "id.h" 8075240ed1SBrian Somers 81b6dec9f0SBrian Somers #define BUFLEFT(c) (sizeof (c)->buf - ((c)->bufend - (c)->buf)) 8275240ed1SBrian Somers 83b6dec9f0SBrian Somers static void ExecStr(struct physical *, char *, char *, int); 84d5015272SBrian Somers static char *ExpandString(struct chat *, const char *, char *, int, int); 85af57ed9fSAtsushi Murai 86b6dec9f0SBrian Somers static void 87b6dec9f0SBrian Somers chat_PauseTimer(void *v) 88b6dec9f0SBrian Somers { 89b6dec9f0SBrian Somers struct chat *c = (struct chat *)v; 90dd7e2610SBrian Somers timer_Stop(&c->pause); 91b6dec9f0SBrian Somers c->pause.load = 0; 92b6dec9f0SBrian Somers } 9353c9f6c0SAtsushi Murai 94b6dec9f0SBrian Somers static void 95b6dec9f0SBrian Somers chat_Pause(struct chat *c, u_long load) 96b6dec9f0SBrian Somers { 97dd7e2610SBrian Somers timer_Stop(&c->pause); 98b6dec9f0SBrian Somers c->pause.load += load; 99b6dec9f0SBrian Somers c->pause.func = chat_PauseTimer; 1003b0f8d2eSBrian Somers c->pause.name = "chat pause"; 101b6dec9f0SBrian Somers c->pause.arg = c; 102dd7e2610SBrian Somers timer_Start(&c->pause); 103b6dec9f0SBrian Somers } 104af57ed9fSAtsushi Murai 105b6dec9f0SBrian Somers static void 106b6dec9f0SBrian Somers chat_TimeoutTimer(void *v) 107b6dec9f0SBrian Somers { 108b6dec9f0SBrian Somers struct chat *c = (struct chat *)v; 109dd7e2610SBrian Somers timer_Stop(&c->timeout); 110b6dec9f0SBrian Somers c->TimedOut = 1; 111b6dec9f0SBrian Somers } 112b6dec9f0SBrian Somers 113b6dec9f0SBrian Somers static void 114b6dec9f0SBrian Somers chat_SetTimeout(struct chat *c) 115b6dec9f0SBrian Somers { 116dd7e2610SBrian Somers timer_Stop(&c->timeout); 117b6dec9f0SBrian Somers if (c->TimeoutSec > 0) { 118b6dec9f0SBrian Somers c->timeout.load = SECTICKS * c->TimeoutSec; 119b6dec9f0SBrian Somers c->timeout.func = chat_TimeoutTimer; 1203b0f8d2eSBrian Somers c->timeout.name = "chat timeout"; 121b6dec9f0SBrian Somers c->timeout.arg = c; 122dd7e2610SBrian Somers timer_Start(&c->timeout); 123b6dec9f0SBrian Somers } 124b6dec9f0SBrian Somers } 125b6dec9f0SBrian Somers 126b6dec9f0SBrian Somers static char * 127b6dec9f0SBrian Somers chat_NextChar(char *ptr, char ch) 128b6dec9f0SBrian Somers { 129b6dec9f0SBrian Somers for (; *ptr; ptr++) 130b6dec9f0SBrian Somers if (*ptr == ch) 131b6dec9f0SBrian Somers return ptr; 132b6dec9f0SBrian Somers else if (*ptr == '\\') 133b6dec9f0SBrian Somers if (*++ptr == '\0') 134b6dec9f0SBrian Somers return NULL; 135b6dec9f0SBrian Somers 136b6dec9f0SBrian Somers return NULL; 137b6dec9f0SBrian Somers } 138b6dec9f0SBrian Somers 139b6dec9f0SBrian Somers static int 140f013f33eSBrian Somers chat_UpdateSet(struct fdescriptor *d, fd_set *r, fd_set *w, fd_set *e, int *n) 141b6dec9f0SBrian Somers { 142b6dec9f0SBrian Somers struct chat *c = descriptor2chat(d); 143b6dec9f0SBrian Somers int special, gotabort, gottimeout, needcr; 14499294c8bSBrian Somers int TimedOut = c->TimedOut; 145d93d3a9cSBrian Somers static char arg_term; /* An empty string */ 146b6dec9f0SBrian Somers 147b6dec9f0SBrian Somers if (c->pause.state == TIMER_RUNNING) 148b6dec9f0SBrian Somers return 0; 149b6dec9f0SBrian Somers 15099294c8bSBrian Somers if (TimedOut) { 151dd7e2610SBrian Somers log_Printf(LogCHAT, "Expect timeout\n"); 152b6dec9f0SBrian Somers if (c->nargptr == NULL) 153b6dec9f0SBrian Somers c->state = CHAT_FAILED; 154b6dec9f0SBrian Somers else { 15599294c8bSBrian Somers /* c->state = CHAT_EXPECT; */ 156cdbbb6b5SBrian Somers c->argptr = &arg_term; 157b6dec9f0SBrian Somers } 15899294c8bSBrian Somers c->TimedOut = 0; 159b6dec9f0SBrian Somers } 160b6dec9f0SBrian Somers 161b6dec9f0SBrian Somers if (c->state != CHAT_EXPECT && c->state != CHAT_SEND) 162b6dec9f0SBrian Somers return 0; 163b6dec9f0SBrian Somers 164b6dec9f0SBrian Somers gottimeout = gotabort = 0; 165b6dec9f0SBrian Somers 166b6dec9f0SBrian Somers if (c->arg < c->argc && (c->arg < 0 || *c->argptr == '\0')) { 167b6dec9f0SBrian Somers /* Go get the next string */ 168b6dec9f0SBrian Somers if (c->arg < 0 || c->state == CHAT_SEND) 169b6dec9f0SBrian Somers c->state = CHAT_EXPECT; 170b6dec9f0SBrian Somers else 171b6dec9f0SBrian Somers c->state = CHAT_SEND; 172b6dec9f0SBrian Somers 173b6dec9f0SBrian Somers special = 1; 174b6dec9f0SBrian Somers while (special && (c->nargptr || c->arg < c->argc - 1)) { 17599294c8bSBrian Somers if (c->arg < 0 || (!TimedOut && c->state == CHAT_SEND)) 176b6dec9f0SBrian Somers c->nargptr = NULL; 177b6dec9f0SBrian Somers 178b6dec9f0SBrian Somers if (c->nargptr != NULL) { 179b6dec9f0SBrian Somers /* We're doing expect-send-expect.... */ 180b6dec9f0SBrian Somers c->argptr = c->nargptr; 181b6dec9f0SBrian Somers /* Put the '-' back in case we ever want to rerun our script */ 182b6dec9f0SBrian Somers c->nargptr[-1] = '-'; 183b6dec9f0SBrian Somers c->nargptr = chat_NextChar(c->nargptr, '-'); 184b6dec9f0SBrian Somers if (c->nargptr != NULL) 185b6dec9f0SBrian Somers *c->nargptr++ = '\0'; 186b6dec9f0SBrian Somers } else { 187b6dec9f0SBrian Somers int minus; 188b6dec9f0SBrian Somers 1896a32b414SBrian Somers if ((c->argptr = c->argv[++c->arg]) == NULL) { 1906a32b414SBrian Somers /* End of script - all ok */ 1916a32b414SBrian Somers c->state = CHAT_DONE; 1926a32b414SBrian Somers return 0; 1936a32b414SBrian Somers } 194b6dec9f0SBrian Somers 195b6dec9f0SBrian Somers if (c->state == CHAT_EXPECT) { 196b6dec9f0SBrian Somers /* Look for expect-send-expect sequence */ 197b6dec9f0SBrian Somers c->nargptr = c->argptr; 198b6dec9f0SBrian Somers minus = 0; 199b6dec9f0SBrian Somers while ((c->nargptr = chat_NextChar(c->nargptr, '-'))) { 200b6dec9f0SBrian Somers c->nargptr++; 201b6dec9f0SBrian Somers minus++; 202b6dec9f0SBrian Somers } 203b6dec9f0SBrian Somers 204b6dec9f0SBrian Somers if (minus % 2) 205dd7e2610SBrian Somers log_Printf(LogWARN, "chat_UpdateSet: \"%s\": Uneven number of" 206b6dec9f0SBrian Somers " '-' chars, all ignored\n", c->argptr); 207b6dec9f0SBrian Somers else if (minus) { 208b6dec9f0SBrian Somers c->nargptr = chat_NextChar(c->argptr, '-'); 209b6dec9f0SBrian Somers *c->nargptr++ = '\0'; 210b6dec9f0SBrian Somers } 211b6dec9f0SBrian Somers } 212b6dec9f0SBrian Somers } 213b6dec9f0SBrian Somers 214b6dec9f0SBrian Somers /* 215b6dec9f0SBrian Somers * c->argptr now temporarily points into c->script (via c->argv) 216b6dec9f0SBrian Somers * If it's an expect-send-expect sequence, we've just got the correct 217b6dec9f0SBrian Somers * portion of that sequence. 218b6dec9f0SBrian Somers */ 219b6dec9f0SBrian Somers 220a2240f35SBrian Somers needcr = c->state == CHAT_SEND && 221a2240f35SBrian Somers (*c->argptr != '!' || c->argptr[1] == '!'); 222b6dec9f0SBrian Somers 223b6dec9f0SBrian Somers /* We leave room for a potential HDLC header in the target string */ 224d5015272SBrian Somers ExpandString(c, c->argptr, c->exp + 2, sizeof c->exp - 2, needcr); 225b6dec9f0SBrian Somers 2264d9c2bb9SBrian Somers /* 2274d9c2bb9SBrian Somers * Now read our string. If it's not a special string, we unset 2284d9c2bb9SBrian Somers * ``special'' to break out of the loop. 2294d9c2bb9SBrian Somers */ 230b6dec9f0SBrian Somers if (gotabort) { 231486f40c9SBrian Somers if (c->abort.num < MAXABORTS) { 232cdbbb6b5SBrian Somers int len, i; 233486f40c9SBrian Somers 234486f40c9SBrian Somers len = strlen(c->exp+2); 235cdbbb6b5SBrian Somers for (i = 0; i < c->abort.num; i++) 236cdbbb6b5SBrian Somers if (len > c->abort.string[i].len) { 237486f40c9SBrian Somers int last; 238486f40c9SBrian Somers 239cdbbb6b5SBrian Somers for (last = c->abort.num; last > i; last--) { 240486f40c9SBrian Somers c->abort.string[last].data = c->abort.string[last-1].data; 241486f40c9SBrian Somers c->abort.string[last].len = c->abort.string[last-1].len; 242486f40c9SBrian Somers } 243486f40c9SBrian Somers break; 244486f40c9SBrian Somers } 245cdbbb6b5SBrian Somers c->abort.string[i].len = len; 2465d604c11SBrian Somers if ((c->abort.string[i].data = (char *)malloc(len+1)) != NULL) { 247cdbbb6b5SBrian Somers memcpy(c->abort.string[i].data, c->exp+2, len+1); 248486f40c9SBrian Somers c->abort.num++; 2495d604c11SBrian Somers } 250486f40c9SBrian Somers } else 251dd7e2610SBrian Somers log_Printf(LogERROR, "chat_UpdateSet: too many abort strings\n"); 252b6dec9f0SBrian Somers gotabort = 0; 253b6dec9f0SBrian Somers } else if (gottimeout) { 254b6dec9f0SBrian Somers c->TimeoutSec = atoi(c->exp + 2); 255b6dec9f0SBrian Somers if (c->TimeoutSec <= 0) 256b6dec9f0SBrian Somers c->TimeoutSec = 30; 257b6dec9f0SBrian Somers gottimeout = 0; 258b6dec9f0SBrian Somers } else if (c->nargptr == NULL && !strcmp(c->exp+2, "ABORT")) 259b6dec9f0SBrian Somers gotabort = 1; 260b6dec9f0SBrian Somers else if (c->nargptr == NULL && !strcmp(c->exp+2, "TIMEOUT")) 261b6dec9f0SBrian Somers gottimeout = 1; 262b6dec9f0SBrian Somers else { 263a2240f35SBrian Somers if (c->exp[2] == '!' && c->exp[3] != '!') 264a2240f35SBrian Somers ExecStr(c->physical, c->exp + 3, c->exp + 3, sizeof c->exp - 3); 265b6dec9f0SBrian Somers 26656c9cf9dSBrian Somers if (c->exp[2] == '\0') { 267b6dec9f0SBrian Somers /* Empty string, reparse (this may be better as a `goto start') */ 268cdbbb6b5SBrian Somers c->argptr = &arg_term; 269b6dec9f0SBrian Somers return chat_UpdateSet(d, r, w, e, n); 27056c9cf9dSBrian Somers } 271b6dec9f0SBrian Somers 272b6dec9f0SBrian Somers special = 0; 273b6dec9f0SBrian Somers } 274b6dec9f0SBrian Somers } 275b6dec9f0SBrian Somers 276b6dec9f0SBrian Somers if (special) { 277b6dec9f0SBrian Somers if (gottimeout) 278dd7e2610SBrian Somers log_Printf(LogWARN, "chat_UpdateSet: TIMEOUT: Argument expected\n"); 279b6dec9f0SBrian Somers else if (gotabort) 280dd7e2610SBrian Somers log_Printf(LogWARN, "chat_UpdateSet: ABORT: Argument expected\n"); 281b6dec9f0SBrian Somers 282b6dec9f0SBrian Somers /* End of script - all ok */ 283b6dec9f0SBrian Somers c->state = CHAT_DONE; 284b6dec9f0SBrian Somers return 0; 285b6dec9f0SBrian Somers } 286b6dec9f0SBrian Somers 287b6dec9f0SBrian Somers /* set c->argptr to point in the right place */ 288a2240f35SBrian Somers c->argptr = c->exp + (c->exp[2] == '!' ? 3 : 2); 289b6dec9f0SBrian Somers c->arglen = strlen(c->argptr); 290b6dec9f0SBrian Somers 291b6dec9f0SBrian Somers if (c->state == CHAT_EXPECT) { 292b6dec9f0SBrian Somers /* We must check to see if the string's already been found ! */ 293b6dec9f0SBrian Somers char *begin, *end; 294b6dec9f0SBrian Somers 295b6dec9f0SBrian Somers end = c->bufend - c->arglen + 1; 296b6dec9f0SBrian Somers if (end < c->bufstart) 297b6dec9f0SBrian Somers end = c->bufstart; 298b6dec9f0SBrian Somers for (begin = c->bufstart; begin < end; begin++) 299b6dec9f0SBrian Somers if (!strncmp(begin, c->argptr, c->arglen)) { 300b6dec9f0SBrian Somers c->bufstart = begin + c->arglen; 301b6dec9f0SBrian Somers c->argptr += c->arglen; 302b6dec9f0SBrian Somers c->arglen = 0; 303b6dec9f0SBrian Somers /* Continue - we've already read our expect string */ 304b6dec9f0SBrian Somers return chat_UpdateSet(d, r, w, e, n); 305b6dec9f0SBrian Somers } 306b6dec9f0SBrian Somers 307dd7e2610SBrian Somers log_Printf(LogCHAT, "Expect(%d): %s\n", c->TimeoutSec, c->argptr); 308b6dec9f0SBrian Somers chat_SetTimeout(c); 309b6dec9f0SBrian Somers } 310b6dec9f0SBrian Somers } 311b6dec9f0SBrian Somers 312b6dec9f0SBrian Somers /* 313b6dec9f0SBrian Somers * We now have c->argptr pointing at what we want to expect/send and 314b6dec9f0SBrian Somers * c->state saying what we want to do... we now know what to put in 315b6dec9f0SBrian Somers * the fd_set :-) 316b6dec9f0SBrian Somers */ 317b6dec9f0SBrian Somers 318b6dec9f0SBrian Somers if (c->state == CHAT_EXPECT) 3195d9e6103SBrian Somers return physical_doUpdateSet(&c->physical->desc, r, NULL, e, n, 1); 320b6dec9f0SBrian Somers else 3215d9e6103SBrian Somers return physical_doUpdateSet(&c->physical->desc, NULL, w, e, n, 1); 322b6dec9f0SBrian Somers } 323b6dec9f0SBrian Somers 324b6dec9f0SBrian Somers static int 325f013f33eSBrian Somers chat_IsSet(struct fdescriptor *d, const fd_set *fdset) 326b6dec9f0SBrian Somers { 327b6dec9f0SBrian Somers struct chat *c = descriptor2chat(d); 328ddd68080SBrian Somers return c->argptr && physical_IsSet(&c->physical->desc, fdset); 329b6dec9f0SBrian Somers } 330b6dec9f0SBrian Somers 331b6dec9f0SBrian Somers static void 332b6dec9f0SBrian Somers chat_UpdateLog(struct chat *c, int in) 333b6dec9f0SBrian Somers { 334dd7e2610SBrian Somers if (log_IsKept(LogCHAT) || log_IsKept(LogCONNECT)) { 335b6dec9f0SBrian Somers /* 336b6dec9f0SBrian Somers * If a linefeed appears in the last `in' characters of `c's input 337b6dec9f0SBrian Somers * buffer, output from there, all the way back to the last linefeed. 338b6dec9f0SBrian Somers * This is called for every read of `in' bytes. 339b6dec9f0SBrian Somers */ 340486f40c9SBrian Somers char *ptr, *end, *stop, ch; 341b6dec9f0SBrian Somers int level; 342b6dec9f0SBrian Somers 343dd7e2610SBrian Somers level = log_IsKept(LogCHAT) ? LogCHAT : LogCONNECT; 344486f40c9SBrian Somers if (in == -1) 345486f40c9SBrian Somers end = ptr = c->bufend; 346486f40c9SBrian Somers else { 347b6dec9f0SBrian Somers ptr = c->bufend - in; 348b6dec9f0SBrian Somers for (end = c->bufend - 1; end >= ptr; end--) 349b6dec9f0SBrian Somers if (*end == '\n') 350b6dec9f0SBrian Somers break; 351486f40c9SBrian Somers } 352b6dec9f0SBrian Somers 353b6dec9f0SBrian Somers if (end >= ptr) { 354486f40c9SBrian Somers for (ptr = c->bufend - (in == -1 ? 1 : in + 1); ptr >= c->bufstart; ptr--) 355b6dec9f0SBrian Somers if (*ptr == '\n') 356b6dec9f0SBrian Somers break; 357b6dec9f0SBrian Somers ptr++; 358b6dec9f0SBrian Somers stop = NULL; 359486f40c9SBrian Somers while (stop < end) { 360486f40c9SBrian Somers if ((stop = memchr(ptr, '\n', end - ptr)) == NULL) 361486f40c9SBrian Somers stop = end; 362486f40c9SBrian Somers ch = *stop; 363b6dec9f0SBrian Somers *stop = '\0'; 364b6dec9f0SBrian Somers if (level == LogCHAT || strstr(ptr, "CONNECT")) 365dd7e2610SBrian Somers log_Printf(level, "Received: %s\n", ptr); 366486f40c9SBrian Somers *stop = ch; 367b6dec9f0SBrian Somers ptr = stop + 1; 368b6dec9f0SBrian Somers } 369b6dec9f0SBrian Somers } 370b6dec9f0SBrian Somers } 371b6dec9f0SBrian Somers } 372b6dec9f0SBrian Somers 373b6dec9f0SBrian Somers static void 374057f1760SBrian Somers chat_Read(struct fdescriptor *d, struct bundle *bundle __unused, 375057f1760SBrian Somers const fd_set *fdset __unused) 376b6dec9f0SBrian Somers { 377b6dec9f0SBrian Somers struct chat *c = descriptor2chat(d); 378b6dec9f0SBrian Somers 379b6dec9f0SBrian Somers if (c->state == CHAT_EXPECT) { 380b6dec9f0SBrian Somers ssize_t in; 381486f40c9SBrian Somers char *abegin, *ebegin, *begin, *aend, *eend, *end; 382486f40c9SBrian Somers int n; 383b6dec9f0SBrian Somers 384b6dec9f0SBrian Somers /* 385b6dec9f0SBrian Somers * XXX - should this read only 1 byte to guarantee that we don't 386b6dec9f0SBrian Somers * swallow any ppp talk from the peer ? 387b6dec9f0SBrian Somers */ 388b6dec9f0SBrian Somers in = BUFLEFT(c); 389057f1760SBrian Somers if (in > (ssize_t)sizeof c->buf / 2) 390b6dec9f0SBrian Somers in = sizeof c->buf / 2; 391b6dec9f0SBrian Somers 392dd7e2610SBrian Somers in = physical_Read(c->physical, c->bufend, in); 393b6dec9f0SBrian Somers if (in <= 0) 394b6dec9f0SBrian Somers return; 395b6dec9f0SBrian Somers 396b6dec9f0SBrian Somers /* `begin' and `end' delimit where we're going to strncmp() from */ 397486f40c9SBrian Somers ebegin = c->bufend - c->arglen + 1; 398486f40c9SBrian Somers eend = ebegin + in; 399486f40c9SBrian Somers if (ebegin < c->bufstart) 400486f40c9SBrian Somers ebegin = c->bufstart; 401486f40c9SBrian Somers 402486f40c9SBrian Somers if (c->abort.num) { 403486f40c9SBrian Somers abegin = c->bufend - c->abort.string[0].len + 1; 404486f40c9SBrian Somers aend = c->bufend - c->abort.string[c->abort.num-1].len + in + 1; 405486f40c9SBrian Somers if (abegin < c->bufstart) 406486f40c9SBrian Somers abegin = c->bufstart; 407486f40c9SBrian Somers } else { 408486f40c9SBrian Somers abegin = ebegin; 409486f40c9SBrian Somers aend = eend; 410486f40c9SBrian Somers } 411486f40c9SBrian Somers begin = abegin < ebegin ? abegin : ebegin; 412486f40c9SBrian Somers end = aend < eend ? eend : aend; 413486f40c9SBrian Somers 414b6dec9f0SBrian Somers c->bufend += in; 415b6dec9f0SBrian Somers 416b6dec9f0SBrian Somers chat_UpdateLog(c, in); 417b6dec9f0SBrian Somers 418b6dec9f0SBrian Somers if (c->bufend > c->buf + sizeof c->buf / 2) { 419b6dec9f0SBrian Somers /* Shuffle our receive buffer back a bit */ 420b6dec9f0SBrian Somers int chop; 421b6dec9f0SBrian Somers 422b6dec9f0SBrian Somers for (chop = begin - c->buf; chop; chop--) 423b6dec9f0SBrian Somers if (c->buf[chop] == '\n') 424b6dec9f0SBrian Somers /* found some already-logged garbage to remove :-) */ 425b6dec9f0SBrian Somers break; 426486f40c9SBrian Somers 427486f40c9SBrian Somers if (!chop) 428b6dec9f0SBrian Somers chop = begin - c->buf; 429486f40c9SBrian Somers 430b6dec9f0SBrian Somers if (chop) { 431b6dec9f0SBrian Somers char *from, *to; 432b6dec9f0SBrian Somers 433b6dec9f0SBrian Somers to = c->buf; 434b6dec9f0SBrian Somers from = to + chop; 435b6dec9f0SBrian Somers while (from < c->bufend) 436b6dec9f0SBrian Somers *to++ = *from++; 437b6dec9f0SBrian Somers c->bufstart -= chop; 438b6dec9f0SBrian Somers c->bufend -= chop; 439b6dec9f0SBrian Somers begin -= chop; 440b6dec9f0SBrian Somers end -= chop; 441486f40c9SBrian Somers abegin -= chop; 442486f40c9SBrian Somers aend -= chop; 443486f40c9SBrian Somers ebegin -= chop; 444486f40c9SBrian Somers eend -= chop; 445b6dec9f0SBrian Somers } 446b6dec9f0SBrian Somers } 447b6dec9f0SBrian Somers 448b6dec9f0SBrian Somers for (; begin < end; begin++) 449486f40c9SBrian Somers if (begin >= ebegin && begin < eend && 450486f40c9SBrian Somers !strncmp(begin, c->argptr, c->arglen)) { 451b6dec9f0SBrian Somers /* Got it ! */ 452ca618bcfSBrian Somers timer_Stop(&c->timeout); 453486f40c9SBrian Somers if (memchr(begin + c->arglen - 1, '\n', 454486f40c9SBrian Somers c->bufend - begin - c->arglen + 1) == NULL) { 455486f40c9SBrian Somers /* force it into the log */ 456b6dec9f0SBrian Somers end = c->bufend; 457b6dec9f0SBrian Somers c->bufend = begin + c->arglen; 458486f40c9SBrian Somers chat_UpdateLog(c, -1); 459b6dec9f0SBrian Somers c->bufend = end; 460b6dec9f0SBrian Somers } 461b6dec9f0SBrian Somers c->bufstart = begin + c->arglen; 462b6dec9f0SBrian Somers c->argptr += c->arglen; 463b6dec9f0SBrian Somers c->arglen = 0; 464b6dec9f0SBrian Somers break; 465486f40c9SBrian Somers } else if (begin >= abegin && begin < aend) { 466486f40c9SBrian Somers for (n = c->abort.num - 1; n >= 0; n--) { 467486f40c9SBrian Somers if (begin + c->abort.string[n].len > c->bufend) 468486f40c9SBrian Somers break; 469486f40c9SBrian Somers if (!strncmp(begin, c->abort.string[n].data, 470486f40c9SBrian Somers c->abort.string[n].len)) { 471486f40c9SBrian Somers if (memchr(begin + c->abort.string[n].len - 1, '\n', 472486f40c9SBrian Somers c->bufend - begin - c->abort.string[n].len + 1) == NULL) { 473486f40c9SBrian Somers /* force it into the log */ 474486f40c9SBrian Somers end = c->bufend; 475486f40c9SBrian Somers c->bufend = begin + c->abort.string[n].len; 476486f40c9SBrian Somers chat_UpdateLog(c, -1); 477486f40c9SBrian Somers c->bufend = end; 478486f40c9SBrian Somers } 479486f40c9SBrian Somers c->bufstart = begin + c->abort.string[n].len; 480486f40c9SBrian Somers c->state = CHAT_FAILED; 481486f40c9SBrian Somers return; 482486f40c9SBrian Somers } 483486f40c9SBrian Somers } 484b6dec9f0SBrian Somers } 485b6dec9f0SBrian Somers } 486b6dec9f0SBrian Somers } 487b6dec9f0SBrian Somers 4881af29a6eSBrian Somers static int 489057f1760SBrian Somers chat_Write(struct fdescriptor *d, struct bundle *bundle __unused, 490057f1760SBrian Somers const fd_set *fdset __unused) 491b6dec9f0SBrian Somers { 492b6dec9f0SBrian Somers struct chat *c = descriptor2chat(d); 4931af29a6eSBrian Somers int result = 0; 494b6dec9f0SBrian Somers 495b6dec9f0SBrian Somers if (c->state == CHAT_SEND) { 496b6dec9f0SBrian Somers int wrote; 497b6dec9f0SBrian Somers 498b6dec9f0SBrian Somers if (strstr(c->argv[c->arg], "\\P")) /* Don't log the password */ 499dd7e2610SBrian Somers log_Printf(LogCHAT, "Send: %s\n", c->argv[c->arg]); 500b6dec9f0SBrian Somers else { 501b6dec9f0SBrian Somers int sz; 502b6dec9f0SBrian Somers 503b6dec9f0SBrian Somers sz = c->arglen - 1; 504b6dec9f0SBrian Somers while (sz >= 0 && c->argptr[sz] == '\n') 505b6dec9f0SBrian Somers sz--; 506dd7e2610SBrian Somers log_Printf(LogCHAT, "Send: %.*s\n", sz + 1, c->argptr); 507b6dec9f0SBrian Somers } 508b6dec9f0SBrian Somers 509dd7e2610SBrian Somers if (physical_IsSync(c->physical)) { 5104d9c2bb9SBrian Somers /* 5114d9c2bb9SBrian Somers * XXX: Fix me 5124d9c2bb9SBrian Somers * This data should be stuffed down through the link layers 5134d9c2bb9SBrian Somers */ 514b6dec9f0SBrian Somers /* There's always room for the HDLC header */ 515b6dec9f0SBrian Somers c->argptr -= 2; 516b6dec9f0SBrian Somers c->arglen += 2; 517b6dec9f0SBrian Somers memcpy(c->argptr, "\377\003", 2); /* Prepend HDLC header */ 518b6dec9f0SBrian Somers } 519b6dec9f0SBrian Somers 520dd7e2610SBrian Somers wrote = physical_Write(c->physical, c->argptr, c->arglen); 521fb11a9c2SBrian Somers result = wrote > 0 ? 1 : 0; 522b6dec9f0SBrian Somers if (wrote == -1) { 523fb11a9c2SBrian Somers if (errno != EINTR) { 524fb11a9c2SBrian Somers log_Printf(LogWARN, "chat_Write: %s\n", strerror(errno)); 525fb11a9c2SBrian Somers result = -1; 526fb11a9c2SBrian Somers } 527dd7e2610SBrian Somers if (physical_IsSync(c->physical)) { 528b6dec9f0SBrian Somers c->argptr += 2; 529b6dec9f0SBrian Somers c->arglen -= 2; 530b6dec9f0SBrian Somers } 531dd7e2610SBrian Somers } else if (wrote < 2 && physical_IsSync(c->physical)) { 532b6dec9f0SBrian Somers /* Oops - didn't even write our HDLC header ! */ 533b6dec9f0SBrian Somers c->argptr += 2; 534b6dec9f0SBrian Somers c->arglen -= 2; 535b6dec9f0SBrian Somers } else { 536b6dec9f0SBrian Somers c->argptr += wrote; 537b6dec9f0SBrian Somers c->arglen -= wrote; 538b6dec9f0SBrian Somers } 539b6dec9f0SBrian Somers } 5401af29a6eSBrian Somers 5411af29a6eSBrian Somers return result; 542b6dec9f0SBrian Somers } 543b6dec9f0SBrian Somers 544b6dec9f0SBrian Somers void 545ffcfaec7SBrian Somers chat_Init(struct chat *c, struct physical *p) 546b6dec9f0SBrian Somers { 547b6dec9f0SBrian Somers c->desc.type = CHAT_DESCRIPTOR; 548b6dec9f0SBrian Somers c->desc.UpdateSet = chat_UpdateSet; 549b6dec9f0SBrian Somers c->desc.IsSet = chat_IsSet; 550b6dec9f0SBrian Somers c->desc.Read = chat_Read; 551b6dec9f0SBrian Somers c->desc.Write = chat_Write; 552b6dec9f0SBrian Somers c->physical = p; 553ffcfaec7SBrian Somers *c->script = '\0'; 554ffcfaec7SBrian Somers c->argc = 0; 555ffcfaec7SBrian Somers c->arg = -1; 556ffcfaec7SBrian Somers c->argptr = NULL; 557ffcfaec7SBrian Somers c->nargptr = NULL; 558ffcfaec7SBrian Somers c->bufstart = c->bufend = c->buf; 559b6dec9f0SBrian Somers 560ffcfaec7SBrian Somers memset(&c->pause, '\0', sizeof c->pause); 561ffcfaec7SBrian Somers memset(&c->timeout, '\0', sizeof c->timeout); 562ffcfaec7SBrian Somers } 563ffcfaec7SBrian Somers 564c39aa54eSBrian Somers int 565ffcfaec7SBrian Somers chat_Setup(struct chat *c, const char *data, const char *phone) 566ffcfaec7SBrian Somers { 567b6dec9f0SBrian Somers c->state = CHAT_EXPECT; 568b6dec9f0SBrian Somers 5695b8b8060SBrian Somers if (data == NULL) { 5705b8b8060SBrian Somers *c->script = '\0'; 5715b8b8060SBrian Somers c->argc = 0; 5725b8b8060SBrian Somers } else { 573b6dec9f0SBrian Somers strncpy(c->script, data, sizeof c->script - 1); 574b6dec9f0SBrian Somers c->script[sizeof c->script - 1] = '\0'; 5755b78bdf8SBrian Somers c->argc = MakeArgs(c->script, c->argv, VECSIZE(c->argv), PARSE_NOHASH); 5765b8b8060SBrian Somers } 577b6dec9f0SBrian Somers 578b6dec9f0SBrian Somers c->arg = -1; 579b6dec9f0SBrian Somers c->argptr = NULL; 580b6dec9f0SBrian Somers c->nargptr = NULL; 581b6dec9f0SBrian Somers 582b6dec9f0SBrian Somers c->TimeoutSec = 30; 583b6dec9f0SBrian Somers c->TimedOut = 0; 584f9545805SBrian Somers c->phone = phone; 585486f40c9SBrian Somers c->abort.num = 0; 586b6dec9f0SBrian Somers 587ffcfaec7SBrian Somers timer_Stop(&c->pause); 588ffcfaec7SBrian Somers timer_Stop(&c->timeout); 589c39aa54eSBrian Somers 590c39aa54eSBrian Somers return c->argc >= 0; 591b6dec9f0SBrian Somers } 592b6dec9f0SBrian Somers 593b6dec9f0SBrian Somers void 594ffcfaec7SBrian Somers chat_Finish(struct chat *c) 595b6dec9f0SBrian Somers { 596dd7e2610SBrian Somers timer_Stop(&c->pause); 597dd7e2610SBrian Somers timer_Stop(&c->timeout); 598486f40c9SBrian Somers while (c->abort.num) 599486f40c9SBrian Somers free(c->abort.string[--c->abort.num].data); 60039d94652SBrian Somers c->abort.num = 0; 601b6dec9f0SBrian Somers } 602af57ed9fSAtsushi Murai 603ffcfaec7SBrian Somers void 604ffcfaec7SBrian Somers chat_Destroy(struct chat *c) 605ffcfaec7SBrian Somers { 606ffcfaec7SBrian Somers chat_Finish(c); 607ffcfaec7SBrian Somers } 608ffcfaec7SBrian Somers 609af57ed9fSAtsushi Murai /* 61099c02d39SWarner Losh * \c don't add a cr 61199c02d39SWarner Losh * \d Sleep a little (delay 2 seconds 61299c02d39SWarner Losh * \n Line feed character 61399c02d39SWarner Losh * \P Auth Key password 61499c02d39SWarner Losh * \p pause 0.25 sec 615af57ed9fSAtsushi Murai * \r Carrige return character 616af57ed9fSAtsushi Murai * \s Space character 6171dff3fc5SAndrey A. Chernov * \T Telephone number(s) (defined via `set phone') 618af57ed9fSAtsushi Murai * \t Tab character 61999c02d39SWarner Losh * \U Auth User 620af57ed9fSAtsushi Murai */ 62192f4ff1cSBrian Somers static char * 6224d9c2bb9SBrian Somers ExpandString(struct chat *c, const char *str, char *result, int reslen, int cr) 623af57ed9fSAtsushi Murai { 6244d9c2bb9SBrian Somers int len; 625af57ed9fSAtsushi Murai 62699c02d39SWarner Losh result[--reslen] = '\0'; 62799c02d39SWarner Losh while (*str && reslen > 0) { 628af57ed9fSAtsushi Murai switch (*str) { 629af57ed9fSAtsushi Murai case '\\': 630af57ed9fSAtsushi Murai str++; 631af57ed9fSAtsushi Murai switch (*str) { 632af57ed9fSAtsushi Murai case 'c': 6334d9c2bb9SBrian Somers cr = 0; 634af57ed9fSAtsushi Murai break; 635af57ed9fSAtsushi Murai case 'd': /* Delay 2 seconds */ 636b6dec9f0SBrian Somers chat_Pause(c, 2 * SECTICKS); 637944f7098SBrian Somers break; 638af57ed9fSAtsushi Murai case 'p': 639b6dec9f0SBrian Somers chat_Pause(c, SECTICKS / 4); 6404d9c2bb9SBrian Somers break; /* Delay 0.25 seconds */ 641af57ed9fSAtsushi Murai case 'n': 642944f7098SBrian Somers *result++ = '\n'; 643944f7098SBrian Somers reslen--; 644944f7098SBrian Somers break; 645af57ed9fSAtsushi Murai case 'r': 646944f7098SBrian Somers *result++ = '\r'; 647944f7098SBrian Somers reslen--; 648944f7098SBrian Somers break; 649af57ed9fSAtsushi Murai case 's': 650944f7098SBrian Somers *result++ = ' '; 651944f7098SBrian Somers reslen--; 652944f7098SBrian Somers break; 653af57ed9fSAtsushi Murai case 't': 654944f7098SBrian Somers *result++ = '\t'; 655944f7098SBrian Somers reslen--; 656944f7098SBrian Somers break; 657af57ed9fSAtsushi Murai case 'P': 65892f4ff1cSBrian Somers strncpy(result, c->physical->dl->bundle->cfg.auth.key, reslen); 6594d9c2bb9SBrian Somers len = strlen(result); 6604d9c2bb9SBrian Somers reslen -= len; 6614d9c2bb9SBrian Somers result += len; 662af57ed9fSAtsushi Murai break; 663af57ed9fSAtsushi Murai case 'T': 66492b09558SBrian Somers if (c->phone) { 665f9545805SBrian Somers strncpy(result, c->phone, reslen); 6664d9c2bb9SBrian Somers len = strlen(result); 6674d9c2bb9SBrian Somers reslen -= len; 6684d9c2bb9SBrian Somers result += len; 66992b09558SBrian Somers } 670af57ed9fSAtsushi Murai break; 671af57ed9fSAtsushi Murai case 'U': 67292f4ff1cSBrian Somers strncpy(result, c->physical->dl->bundle->cfg.auth.name, reslen); 6734d9c2bb9SBrian Somers len = strlen(result); 6744d9c2bb9SBrian Somers reslen -= len; 6754d9c2bb9SBrian Somers result += len; 676af57ed9fSAtsushi Murai break; 677af57ed9fSAtsushi Murai default: 67899c02d39SWarner Losh reslen--; 67999c02d39SWarner Losh *result++ = *str; 68099c02d39SWarner Losh break; 681af57ed9fSAtsushi Murai } 68299c02d39SWarner Losh if (*str) 68399c02d39SWarner Losh str++; 684af57ed9fSAtsushi Murai break; 685af57ed9fSAtsushi Murai case '^': 686af57ed9fSAtsushi Murai str++; 68799c02d39SWarner Losh if (*str) { 688af57ed9fSAtsushi Murai *result++ = *str++ & 0x1f; 68999c02d39SWarner Losh reslen--; 69099c02d39SWarner Losh } 691af57ed9fSAtsushi Murai break; 692af57ed9fSAtsushi Murai default: 693af57ed9fSAtsushi Murai *result++ = *str++; 69499c02d39SWarner Losh reslen--; 695af57ed9fSAtsushi Murai break; 696af57ed9fSAtsushi Murai } 697af57ed9fSAtsushi Murai } 69899c02d39SWarner Losh if (--reslen > 0) { 6994d9c2bb9SBrian Somers if (cr) 700af57ed9fSAtsushi Murai *result++ = '\r'; 70199c02d39SWarner Losh } 70299c02d39SWarner Losh if (--reslen > 0) 703af57ed9fSAtsushi Murai *result++ = '\0'; 704af57ed9fSAtsushi Murai return (result); 705af57ed9fSAtsushi Murai } 706af57ed9fSAtsushi Murai 707944f7098SBrian Somers static void 70863b73463SBrian Somers ExecStr(struct physical *physical, char *command, char *out, int olen) 709313572f3SBrian Somers { 710313572f3SBrian Somers pid_t pid; 711313572f3SBrian Somers int fids[2]; 712a8103305SBrian Somers char *argv[MAXARGS], *vector[MAXARGS], *startout, *endout; 71344e73c12SBrian Somers int stat, nb, argc, i; 714313572f3SBrian Somers 715dd7e2610SBrian Somers log_Printf(LogCHAT, "Exec: %s\n", command); 7165b78bdf8SBrian Somers if ((argc = MakeArgs(command, vector, VECSIZE(vector), 7175b78bdf8SBrian Somers PARSE_REDUCE|PARSE_NOHASH)) <= 0) { 718c39aa54eSBrian Somers if (argc < 0) 719c39aa54eSBrian Somers log_Printf(LogWARN, "Syntax error in exec command\n"); 720c39aa54eSBrian Somers *out = '\0'; 721c39aa54eSBrian Somers return; 722c39aa54eSBrian Somers } 723313572f3SBrian Somers 724313572f3SBrian Somers if (pipe(fids) < 0) { 725dd7e2610SBrian Somers log_Printf(LogCHAT, "Unable to create pipe in ExecStr: %s\n", 726313572f3SBrian Somers strerror(errno)); 727c78db105SBrian Somers *out = '\0'; 728c78db105SBrian Somers return; 729313572f3SBrian Somers } 730313572f3SBrian Somers if ((pid = fork()) == 0) { 73146df5aa7SBrian Somers command_Expand(argv, argc, (char const *const *)vector, 73246df5aa7SBrian Somers physical->dl->bundle, 0, getpid()); 7331384bd27SBrian Somers close(fids[0]); 734dd7e2610SBrian Somers timer_TermService(); 73544e73c12SBrian Somers if (fids[1] == STDIN_FILENO) 73644e73c12SBrian Somers fids[1] = dup(fids[1]); 7375d9e6103SBrian Somers dup2(physical->fd, STDIN_FILENO); 738b762af4fSBrian Somers dup2(fids[1], STDERR_FILENO); 73944e73c12SBrian Somers dup2(STDIN_FILENO, STDOUT_FILENO); 740b762af4fSBrian Somers close(3); 74144e73c12SBrian Somers if (open(_PATH_TTY, O_RDWR) != 3) 74244e73c12SBrian Somers open(_PATH_DEVNULL, O_RDWR); /* Leave it closed if it fails... */ 74344e73c12SBrian Somers for (i = getdtablesize(); i > 3; i--) 74444e73c12SBrian Somers fcntl(i, F_SETFD, 1); 74568602c3eSBrian Somers #ifndef NOSUID 746a19a5c02SBrian Somers setuid(ID0realuid()); 74768602c3eSBrian Somers #endif 748a8103305SBrian Somers execvp(argv[0], argv); 749a8103305SBrian Somers fprintf(stderr, "execvp: %s: %s\n", argv[0], strerror(errno)); 75044e73c12SBrian Somers _exit(127); 751313572f3SBrian Somers } else { 752313572f3SBrian Somers char *name = strdup(vector[0]); 753313572f3SBrian Somers 754313572f3SBrian Somers close(fids[1]); 755313572f3SBrian Somers endout = out + olen - 1; 756313572f3SBrian Somers startout = out; 757313572f3SBrian Somers while (out < endout) { 758313572f3SBrian Somers nb = read(fids[0], out, 1); 759313572f3SBrian Somers if (nb <= 0) 760313572f3SBrian Somers break; 761313572f3SBrian Somers out++; 762313572f3SBrian Somers } 763313572f3SBrian Somers *out = '\0'; 764313572f3SBrian Somers close(fids[0]); 765313572f3SBrian Somers close(fids[1]); 766313572f3SBrian Somers waitpid(pid, &stat, WNOHANG); 767313572f3SBrian Somers if (WIFSIGNALED(stat)) { 768dd7e2610SBrian Somers log_Printf(LogWARN, "%s: signal %d\n", name, WTERMSIG(stat)); 769313572f3SBrian Somers free(name); 770c78db105SBrian Somers *out = '\0'; 771c78db105SBrian Somers return; 772313572f3SBrian Somers } else if (WIFEXITED(stat)) { 773313572f3SBrian Somers switch (WEXITSTATUS(stat)) { 774313572f3SBrian Somers case 0: 775313572f3SBrian Somers free(name); 776313572f3SBrian Somers break; 777313572f3SBrian Somers case 127: 778dd7e2610SBrian Somers log_Printf(LogWARN, "%s: %s\n", name, startout); 779313572f3SBrian Somers free(name); 780c78db105SBrian Somers *out = '\0'; 781c78db105SBrian Somers return; 782313572f3SBrian Somers break; 783313572f3SBrian Somers default: 784dd7e2610SBrian Somers log_Printf(LogWARN, "%s: exit %d\n", name, WEXITSTATUS(stat)); 785313572f3SBrian Somers free(name); 786c78db105SBrian Somers *out = '\0'; 787c78db105SBrian Somers return; 788313572f3SBrian Somers break; 789313572f3SBrian Somers } 790313572f3SBrian Somers } else { 791dd7e2610SBrian Somers log_Printf(LogWARN, "%s: Unexpected exit result\n", name); 792313572f3SBrian Somers free(name); 793c78db105SBrian Somers *out = '\0'; 794c78db105SBrian Somers return; 795313572f3SBrian Somers } 796313572f3SBrian Somers } 797313572f3SBrian Somers } 798