| 1 | #include <sys/types.h> |
| 2 | #include <pwd.h> |
| 3 | #include "strerr.h" |
| 4 | #include "stralloc.h" |
| 5 | #include "sgetopt.h" |
| 6 | #include "substdio.h" |
| 7 | #include "error.h" |
| 8 | #include "str.h" |
| 9 | #include "fmt.h" |
| 10 | #include "fork.h" |
| 11 | #include "wait.h" |
| 12 | #include "readwrite.h" |
| 13 | #include "auto_qmail.h" |
| 14 | #include "auto_cron.h" |
| 15 | #include "errtxt.h" |
| 16 | #include "idx.h" |
| 17 | |
| 18 | #define FATAL "ezmlm-cron: fatal: " |
| 19 | |
| 20 | void die_usage() |
| 21 | { |
| 22 | strerr_die2x(100,FATAL, |
| 23 | "usage: ezmlm-cron [-cCdDlLvV] [-w dow] [-t hh:mm] [-i hrs] listadr code"); |
| 24 | } |
| 25 | |
| 26 | void die_dow() |
| 27 | { |
| 28 | strerr_die2x(100,FATAL,ERR_DOW); |
| 29 | } |
| 30 | |
| 31 | void die_nomem() { strerr_die2x(111,FATAL,ERR_NOMEM); } |
| 32 | |
| 33 | unsigned long deltah = 24L; /* default interval 24h */ |
| 34 | unsigned long hh = 4L; /* default time 04:12 */ |
| 35 | unsigned long mm = 12L; |
| 36 | char *dow = "*"; /* day of week */ |
| 37 | char *qmail_inject = "/usr/sbin/qmail-inject "; |
| 38 | char strnum[FMT_ULONG]; |
| 39 | unsigned long uid,euid; |
| 40 | |
| 41 | stralloc line = {0}; |
| 42 | stralloc rp = {0}; |
| 43 | stralloc addr = {0}; |
| 44 | stralloc user = {0}; |
| 45 | stralloc euser = {0}; |
| 46 | stralloc dir = {0}; |
| 47 | stralloc listaddr = {0}; |
| 48 | |
| 49 | struct passwd *ppasswd; |
| 50 | |
| 51 | int opt,match; |
| 52 | int hostmatch; |
| 53 | int localmatch; |
| 54 | unsigned long dh,t; |
| 55 | int founduser = 0; |
| 56 | int listmatch = 0; |
| 57 | int flagconfig = 0; |
| 58 | int flagdelete = 0; |
| 59 | int flaglist = 0; |
| 60 | int flagdigit = 0; |
| 61 | int flagours; |
| 62 | int foundlocal; |
| 63 | int foundmatch = 0; |
| 64 | int nolists = 0; |
| 65 | int maxlists; |
| 66 | unsigned int pos,pos2,poslocal,len; |
| 67 | unsigned int lenhost,lenlocal; |
| 68 | unsigned int part0start,part0len; |
| 69 | int fdlock,fdin,fdout; |
| 70 | |
| 71 | char *local = (char *) 0; /* list = local@host */ |
| 72 | char *host = (char *) 0; |
| 73 | char *code = (char *) 0; /* digest code */ |
| 74 | char *cp; |
| 75 | |
| 76 | void die_syntax() |
| 77 | { |
| 78 | if (!stralloc_0(&line)) die_nomem(); |
| 79 | strerr_die5x(100,FATAL,TXT_EZCRONRC," ",ERR_SYNTAX,line.s); |
| 80 | } |
| 81 | |
| 82 | void die_argument() |
| 83 | { |
| 84 | strerr_die2x(100,FATAL,ERR_NOT_CLEAN); |
| 85 | } |
| 86 | |
| 87 | int isclean(addr,flagaddr) |
| 88 | /* assures that addr has only letters, digits, "-_" */ |
| 89 | /* also checks allows single '@' if flagaddr = 1 */ |
| 90 | /* returns 1 if clean, 0 otherwise */ |
| 91 | char *addr; |
| 92 | int flagaddr; /* 1 for addresses with '@', 0 for other args */ |
| 93 | { |
| 94 | unsigned int pos; |
| 95 | register char ch; |
| 96 | register char *cp; |
| 97 | if (flagaddr) { /* shoud have one '@' */ |
| 98 | pos = str_chr(addr,'@'); |
| 99 | if (!pos || !addr[pos]) |
| 100 | return 0; /* at least 1 char for local */ |
| 101 | if (!addr[pos+1]) |
| 102 | return 0; /* host must be at least 1 char */ |
| 103 | pos++; |
| 104 | case_lowerb(addr+pos,str_len(addr)-pos); |
| 105 | } else |
| 106 | pos = 0; |
| 107 | pos += str_chr(addr + pos,'@'); |
| 108 | if (addr[pos]) /* but no more */ |
| 109 | return 0; |
| 110 | cp = addr; |
| 111 | while ((ch = *(cp++))) |
| 112 | if (!(ch >= 'a' && ch <= 'z') && |
| 113 | !(ch >= 'A' && ch <= 'Z') && |
| 114 | !(ch >= '0' && ch <= '9') && |
| 115 | ch != '.' && ch != '-' && ch != '_' && ch != '@') |
| 116 | return 0; |
| 117 | return 1; |
| 118 | } |
| 119 | |
| 120 | char inbuf[512]; |
| 121 | substdio ssin; |
| 122 | |
| 123 | char outbuf[512]; |
| 124 | substdio ssout; |
| 125 | |
| 126 | void main(argc,argv) |
| 127 | int argc; |
| 128 | char **argv; |
| 129 | |
| 130 | { |
| 131 | int child; |
| 132 | char *sendargs[4]; |
| 133 | int wstat; |
| 134 | |
| 135 | (void) umask(077); |
| 136 | sig_pipeignore(); |
| 137 | |
| 138 | while ((opt = getopt(argc,argv,"cCdDi:lLt:w:vV")) != opteof) |
| 139 | switch (opt) { |
| 140 | case 'c': flagconfig = 1; break; |
| 141 | case 'C': flagconfig = 0; break; |
| 142 | case 'd': flagdelete = 1; break; |
| 143 | case 'D': flagdelete = 0; break; |
| 144 | case 'i': scan_ulong(optarg,&deltah); break; |
| 145 | case 'l': flaglist = 1; break; |
| 146 | case 'L': flaglist = 0; break; |
| 147 | case 't': |
| 148 | pos = scan_ulong(optarg,&hh); |
| 149 | if (!optarg[pos++] == ':') die_usage(); |
| 150 | pos = scan_ulong(optarg + pos,&mm); |
| 151 | break; |
| 152 | case 'w': |
| 153 | dow = optarg; |
| 154 | cp = optarg - 1; |
| 155 | while (*(++cp)) { |
| 156 | if (*cp >= '0' && *cp <= '7') { |
| 157 | if (flagdigit) die_dow(); |
| 158 | flagdigit = 1; |
| 159 | } else if (*cp == ',') { |
| 160 | if (!flagdigit) die_dow(); |
| 161 | flagdigit = 0; |
| 162 | } else |
| 163 | die_dow(); |
| 164 | } |
| 165 | break; |
| 166 | case 'v': |
| 167 | case 'V': strerr_die2x(100,"ezmlm-cron version: ",EZIDX_VERSION); |
| 168 | default: |
| 169 | die_usage(); |
| 170 | } |
| 171 | if (flaglist + flagdelete + flagconfig > 1) |
| 172 | strerr_die2x(100,FATAL,ERR_EXCLUSIVE); |
| 173 | uid = getuid(); |
| 174 | if (uid && !(euid = geteuid())) |
| 175 | strerr_die2x(100,FATAL,ERR_SUID); |
| 176 | if (!(ppasswd = getpwuid(uid))) |
| 177 | strerr_die2x(100,FATAL,ERR_UID); |
| 178 | if (!stralloc_copys(&user,ppasswd->pw_name)) die_nomem(); |
| 179 | if (!stralloc_0(&user)) die_nomem(); |
| 180 | if (!(ppasswd = getpwuid(euid))) |
| 181 | strerr_die2x(100,FATAL,ERR_EUID); |
| 182 | if (!stralloc_copys(&dir.s,ppasswd->pw_dir)) die_nomem(); |
| 183 | if (!stralloc_0(&dir)) die_nomem(); |
| 184 | if (!stralloc_copys(&euser,ppasswd->pw_name)) die_nomem(); |
| 185 | if (!stralloc_0(&euser)) die_nomem(); |
| 186 | |
| 187 | if (chdir(dir.s) == -1) |
| 188 | strerr_die4sys(111,FATAL,ERR_SWITCH,dir.s,": "); |
| 189 | |
| 190 | local = argv[optind++]; /* list address, optional for -c & -l */ |
| 191 | if (!local) { |
| 192 | if (!flagconfig && !flaglist) |
| 193 | die_usage(); |
| 194 | lenlocal = 0; |
| 195 | lenhost = 0; |
| 196 | } else { |
| 197 | if (!stralloc_copys(&listaddr,local)) die_nomem(); |
| 198 | if (!isclean(local,1)) |
| 199 | die_argument(); |
| 200 | pos = str_chr(local,'@'); |
| 201 | lenlocal = pos; |
| 202 | local[pos] = '\0'; |
| 203 | host = local + pos + 1; |
| 204 | lenhost = str_len(host); |
| 205 | code = argv[optind]; |
| 206 | if (!code) { /* ignored for -l, -c, and -d */ |
| 207 | if (flagdelete || flaglist || flagconfig) |
| 208 | /* get away with not putting code for delete */ |
| 209 | code = "a"; /* a hack - so what! */ |
| 210 | else |
| 211 | die_usage(); |
| 212 | } else |
| 213 | if (!isclean(code,0)) |
| 214 | die_argument(); |
| 215 | } |
| 216 | if ((fdin = open_read(TXT_EZCRONRC)) == -1) |
| 217 | strerr_die6sys(111,FATAL,ERR_OPEN,dir.s,"/",TXT_EZCRONRC,": "); |
| 218 | /* first line is special */ |
| 219 | substdio_fdbuf(&ssin,read,fdin,inbuf,sizeof(inbuf)); |
| 220 | if (getln(&ssin,&line,&match,'\n') == -1) |
| 221 | strerr_die6sys(111,FATAL,ERR_READ,dir.s,"/",TXT_EZCRONRC,": "); |
| 222 | |
| 223 | if (!match) |
| 224 | strerr_die6sys(111,FATAL,ERR_READ,dir.s,"/",TXT_EZCRONRC,": "); |
| 225 | /* (since we have match line.len has to be >= 1) */ |
| 226 | line.s[line.len - 1] = '\0'; |
| 227 | if (!isclean(line.s,0)) /* host for bounces */ |
| 228 | strerr_die4x(100,ERR_CFHOST,dir.s,"/",TXT_EZCRONRC); |
| 229 | if (!stralloc_copys(&rp,line.s)) die_nomem(); |
| 230 | |
| 231 | match = 1; |
| 232 | for(;;) { |
| 233 | if (!match) break; /* to allow last line without '\n' */ |
| 234 | if (getln(&ssin,&line,&match,'\n') == -1) |
| 235 | strerr_die6sys(111,FATAL,ERR_READ,dir.s,"/",TXT_EZCRONRC,": "); |
| 236 | if (!line.len) |
| 237 | break; |
| 238 | line.s[line.len-1] = '\0'; |
| 239 | if (!case_startb(line.s,line.len,user.s)) |
| 240 | continue; |
| 241 | pos = user.len - 1; |
| 242 | if (pos >= line.len || line.s[pos] != ':') |
| 243 | continue; |
| 244 | founduser = 1; /* got user line */ |
| 245 | break; |
| 246 | } |
| 247 | close(fdin); |
| 248 | if (!founduser) |
| 249 | strerr_die2x(100,FATAL,ERR_BADUSER); |
| 250 | |
| 251 | if (flagconfig) { |
| 252 | line.s[line.len-1] = '\n'; /* not very elegant ;-) */ |
| 253 | substdio_fdbuf(&ssout,write,1,outbuf,sizeof(outbuf)); |
| 254 | if (substdio_put(&ssout,line.s,line.len) == -1) |
| 255 | strerr_die3sys(111,FATAL,ERR_WRITE,"stdout: "); |
| 256 | if (substdio_flush(&ssout) == -1) |
| 257 | strerr_die3sys(111,FATAL,ERR_WRITE,"stdout: "); |
| 258 | _exit(0); |
| 259 | } |
| 260 | ++pos; /* points to first ':' */ |
| 261 | len = str_chr(line.s+pos,':'); /* second ':' */ |
| 262 | if (!line.s[pos + len]) |
| 263 | die_syntax(); |
| 264 | if (!local) { /* only -d and std left */ |
| 265 | localmatch = 1; |
| 266 | hostmatch = 1; |
| 267 | } else { |
| 268 | hostmatch = 0; |
| 269 | if (len <= str_len(local)) |
| 270 | if (!str_diffn(line.s+pos,local,len)) |
| 271 | localmatch = 1; |
| 272 | } |
| 273 | pos += len + 1; |
| 274 | len = str_chr(line.s + pos,':'); /* third */ |
| 275 | if (!line.s[pos + len]) |
| 276 | die_syntax(); |
| 277 | if (local) { /* check host */ |
| 278 | if (len == 0) /* empty host => any host */ |
| 279 | hostmatch = 1; |
| 280 | else |
| 281 | if (len == str_len(host)) |
| 282 | if (!case_diffb(line.s+pos,len,host)) |
| 283 | hostmatch = 1; |
| 284 | } |
| 285 | pos += len + 1; |
| 286 | pos += scan_ulong(line.s+pos,&maxlists); |
| 287 | if (line.s[pos]) { /* check additional lists */ |
| 288 | if (line.s[pos] != ':') |
| 289 | die_syntax(); |
| 290 | if (line.s[pos+1+str_chr(line.s+pos+1,':')]) |
| 291 | die_syntax(); /* reminder lists are not separated by ':' */ |
| 292 | /* otherwise a ':' or arg miscount will die */ |
| 293 | /* silently */ |
| 294 | if (local) { |
| 295 | while (++pos < line.len) { |
| 296 | len = str_chr(line.s + pos,'@'); |
| 297 | if (len == lenlocal && !str_diffn(line.s + pos,local,len)) { |
| 298 | pos += len; |
| 299 | if (!line.s[pos]) break; |
| 300 | pos++; |
| 301 | len = str_chr(line.s+pos,','); |
| 302 | if (len == lenhost && !case_diffb(line.s+pos,len,host)) { |
| 303 | listmatch = 1; |
| 304 | break; |
| 305 | } |
| 306 | } |
| 307 | pos += len; |
| 308 | } |
| 309 | } |
| 310 | } |
| 311 | if (!listmatch) { |
| 312 | if (!hostmatch) |
| 313 | strerr_die2x(100,FATAL,ERR_BADHOST); |
| 314 | if (!localmatch) |
| 315 | strerr_die2x(100,FATAL,ERR_BADLOCAL); |
| 316 | } |
| 317 | /* assemble correct line */ |
| 318 | if (!flaglist) { |
| 319 | if (!stralloc_copyb(&addr,strnum,fmt_ulong(strnum,mm))) die_nomem(); |
| 320 | if (!stralloc_cats(&addr," ")) die_nomem(); |
| 321 | dh = 0L; |
| 322 | if (deltah <= 3L) dh = deltah; |
| 323 | else if (deltah <= 6L) dh = 6L; |
| 324 | else if (deltah <= 12L) dh = 12L; |
| 325 | else if (deltah <= 24L) dh = 24L; |
| 326 | else if (deltah <= 48L) { |
| 327 | if (dow[0] == '*') dow = "1,3,5"; |
| 328 | } else if (deltah <= 72L) { |
| 329 | if (dow[0] == '*') dow = "1,4"; |
| 330 | } else |
| 331 | if (dow[0] == '*') dow = "1"; |
| 332 | |
| 333 | if (!dh) { |
| 334 | if (!stralloc_cats(&addr,"*")) die_nomem(); |
| 335 | } else { |
| 336 | if (!stralloc_catb(&addr,strnum,fmt_ulong(strnum,hh))) die_nomem(); |
| 337 | for (t = hh + dh; t < hh + 24L; t+=dh) { |
| 338 | if (!stralloc_cats(&addr,",")) die_nomem(); |
| 339 | if (!stralloc_catb(&addr,strnum,fmt_ulong(strnum,t % 24L))) die_nomem(); |
| 340 | } |
| 341 | } |
| 342 | if (!stralloc_cats(&addr," * * ")) die_nomem(); |
| 343 | if (!stralloc_cats(&addr,dow)) die_nomem(); |
| 344 | if (!stralloc_cats(&addr," ")) die_nomem(); |
| 345 | part0start = addr.len; /* /var/qmail/bin/qmail-inject */ |
| 346 | if (!stralloc_cats(&addr,qmail_inject)) die_nomem(); |
| 347 | part0len = addr.len - part0start; |
| 348 | if (!stralloc_cats(&addr,local)) die_nomem(); |
| 349 | if (!stralloc_cats(&addr,"-dig-")) die_nomem(); |
| 350 | if (!stralloc_cats(&addr,code)) die_nomem(); |
| 351 | if (!stralloc_cats(&addr,"@")) die_nomem(); |
| 352 | if (!stralloc_cats(&addr,host)) die_nomem(); |
| 353 | /* feed 'Return-Path: <user@host>' to qmail-inject */ |
| 354 | if (!stralloc_cats(&addr,"%Return-path: <")) die_nomem(); |
| 355 | if (!stralloc_cats(&addr,user.s)) die_nomem(); |
| 356 | if (!stralloc_cats(&addr,"@")) die_nomem(); |
| 357 | if (!stralloc_cat(&addr,&rp)) die_nomem(); |
| 358 | if (!stralloc_cats(&addr,">\n")) die_nomem(); |
| 359 | } |
| 360 | if (!stralloc_0(&addr)) die_nomem(); |
| 361 | |
| 362 | if (!flaglist) { |
| 363 | /* now to rewrite crontab we need to lock */ |
| 364 | fdlock = open_append("crontabl"); |
| 365 | if (fdlock == -1) |
| 366 | strerr_die4sys(111,FATAL,ERR_OPEN,dir.s,"/crontabl: "); |
| 367 | if (lock_ex(fdlock) == -1) { |
| 368 | close(fdlock); |
| 369 | strerr_die4sys(111,FATAL,ERR_OBTAIN,dir.s,"/crontabl: "); |
| 370 | } |
| 371 | } /* if !flaglist */ |
| 372 | if ((fdin = open_read("crontab")) == -1) { |
| 373 | if (errno != error_noent) |
| 374 | strerr_die4sys(111,FATAL,ERR_READ,dir.s,"/crontab: "); |
| 375 | } else |
| 376 | substdio_fdbuf(&ssin,read,fdin,inbuf,sizeof(inbuf)); |
| 377 | if (flaglist) |
| 378 | substdio_fdbuf(&ssout,write,1,outbuf,sizeof(outbuf)); |
| 379 | else { |
| 380 | if ((fdout = open_trunc("crontabn")) == -1) |
| 381 | strerr_die4sys(111,FATAL,ERR_WRITE,dir.s,"/crontabn: "); |
| 382 | substdio_fdbuf(&ssout,write,fdout,outbuf,sizeof(outbuf)); |
| 383 | } |
| 384 | line.len = 0; |
| 385 | |
| 386 | if (fdin != -1) { |
| 387 | for (;;) { |
| 388 | if (!flaglist && line.len) { |
| 389 | line.s[line.len-1] = '\n'; |
| 390 | if (substdio_put(&ssout,line.s,line.len) == -1) |
| 391 | strerr_die4sys(111,FATAL,ERR_WRITE,dir.s,"/crontabn: "); |
| 392 | } |
| 393 | if (getln(&ssin,&line,&match,'\n') == -1) |
| 394 | strerr_die4sys(111,FATAL,ERR_READ,dir.s,"/crontab: "); |
| 395 | if (!match) |
| 396 | break; |
| 397 | flagours = 0; /* assume entry is not ours */ |
| 398 | foundlocal = 0; |
| 399 | line.s[line.len - 1] = '\0'; /* match so at least 1 char */ |
| 400 | pos = 0; |
| 401 | while (line.s[pos] == ' ' && line.s[pos] == '\t') ++pos; |
| 402 | if (line.s[pos] == '#') |
| 403 | continue; /* cron comment */ |
| 404 | pos = str_chr(line.s,'/'); |
| 405 | if (!str_start(line.s+pos,qmail_inject)) continue; |
| 406 | pos += str_len(qmail_inject); |
| 407 | poslocal = pos; |
| 408 | pos = byte_rchr(line.s,line.len,'<'); /* should be Return-Path: < */ |
| 409 | if (pos == line.len) |
| 410 | continue; /* not ezmlm-cron line */ |
| 411 | pos++; |
| 412 | len = str_chr(line.s+pos,'@'); |
| 413 | if (len == user.len - 1 && !str_diffn(line.s+pos,user.s,len)) { |
| 414 | flagours = 1; |
| 415 | ++nolists; /* belongs to this user */ |
| 416 | } |
| 417 | if (!local) { |
| 418 | foundlocal = 1; |
| 419 | } else { |
| 420 | pos = poslocal + str_chr(line.s+poslocal,'@'); |
| 421 | if (pos + lenhost +1 >= line.len) continue; |
| 422 | if (case_diffb(line.s+pos+1,lenhost,host)) continue; |
| 423 | if (line.s[pos+lenhost+1] != '%') continue; |
| 424 | /* check local */ |
| 425 | if (poslocal + lenlocal + 5 >= line.len) continue; |
| 426 | if (!str_start(line.s+poslocal,local)) continue; |
| 427 | pos2 = poslocal+lenlocal; |
| 428 | if (!str_start(line.s+pos2,"-dig-")) continue; |
| 429 | foundlocal = 1; |
| 430 | } |
| 431 | if (foundlocal) { |
| 432 | foundmatch = 1; |
| 433 | if (flaglist && (local || flagours)) { |
| 434 | if (substdio_put(&ssout,line.s,line.len) == -1) |
| 435 | strerr_die3sys(111,FATAL,ERR_WRITE,"stdout: "); |
| 436 | if (substdio_put(&ssout,"\n",1) == -1) |
| 437 | strerr_die3sys(111,FATAL,ERR_WRITE,"stdout: "); |
| 438 | } |
| 439 | line.len = 0; /* same - kill line */ |
| 440 | if (flagours) |
| 441 | --nolists; |
| 442 | } |
| 443 | } |
| 444 | close(fdin); |
| 445 | } |
| 446 | if (flaglist) { |
| 447 | if (substdio_flush(&ssout) == -1) |
| 448 | strerr_die3sys(111,FATAL,ERR_FLUSH,"stdout: "); |
| 449 | if (foundmatch) /* means we had a match */ |
| 450 | _exit(0); |
| 451 | else |
| 452 | strerr_die2x(100,FATAL,ERR_NO_MATCH); |
| 453 | } |
| 454 | /* only -d and regular use left */ |
| 455 | |
| 456 | if (nolists >= maxlists && !flagdelete) |
| 457 | strerr_die2x(100,FATAL,ERR_LISTNO); |
| 458 | if (!flagdelete) |
| 459 | if (substdio_put(&ssout,addr.s,addr.len-1) == -1) |
| 460 | strerr_die4sys(111,FATAL,ERR_WRITE,dir.s,"/crontabn: "); |
| 461 | if (flagdelete && !foundlocal) |
| 462 | strerr_die2x(111,FATAL,ERR_NO_MATCH); |
| 463 | if (substdio_flush(&ssout) == -1) |
| 464 | strerr_die4sys(111,FATAL,ERR_FLUSH,dir.s,"/crontabn: "); |
| 465 | if (fsync(fdout) == -1) |
| 466 | strerr_die4sys(111,FATAL,ERR_SYNC,dir.s,"/crontabn++: "); |
| 467 | if (close(fdout) == -1) |
| 468 | strerr_die4sys(111,FATAL,ERR_CLOSE,dir.s,"/crontabn: "); |
| 469 | if (rename("crontabn","crontab") == -1) |
| 470 | strerr_die4sys(111,FATAL,ERR_MOVE,dir.s,"/crontabn: "); |
| 471 | sendargs[0] = "sh"; |
| 472 | sendargs[1] = "-c"; |
| 473 | |
| 474 | if (!stralloc_copys(&line,auto_cron)) die_nomem(); |
| 475 | if (!stralloc_cats(&line,"/crontab '")) die_nomem(); |
| 476 | if (!stralloc_cats(&line,dir.s)) die_nomem(); |
| 477 | if (!stralloc_cats(&line,"/crontab'")) die_nomem(); |
| 478 | if (!stralloc_0(&line)) die_nomem(); |
| 479 | sendargs[2] = line.s; |
| 480 | sendargs[3] = 0; |
| 481 | switch(child = fork()) { |
| 482 | case -1: |
| 483 | strerr_die2sys(111,FATAL,ERR_FORK); |
| 484 | case 0: |
| 485 | if (setreuid(euid,euid) == -1) |
| 486 | strerr_die2sys(100,FATAL,ERR_SETUID); |
| 487 | execvp(*sendargs,sendargs); |
| 488 | if (errno == error_txtbsy || errno == error_nomem || |
| 489 | errno == error_io) |
| 490 | strerr_die4sys(111,FATAL,ERR_EXECUTE,sendargs[2],": "); |
| 491 | else |
| 492 | strerr_die4sys(100,FATAL,ERR_EXECUTE,sendargs[2],": "); |
| 493 | } |
| 494 | /* parent */ |
| 495 | wait_pid(&wstat,child); |
| 496 | if (wait_crashed(wstat)) |
| 497 | strerr_die2x(111,FATAL,ERR_CHILD_CRASHED); |
| 498 | switch(wait_exitcode(wstat)) { |
| 499 | case 0: |
| 500 | _exit(0); |
| 501 | default: |
| 502 | strerr_die2x(111,FATAL,ERR_CRONTAB); |
| 503 | } |
| 504 | } |