| 1 | /*$Id: ezmlm-request.c,v 1.34 1999/08/18 01:50:04 lindberg Exp $*/ |
| 2 | /*$Name: ezmlm-idx-040 $*/ |
| 3 | #include "stralloc.h" |
| 4 | #include "subfd.h" |
| 5 | #include "strerr.h" |
| 6 | #include "error.h" |
| 7 | #include "qmail.h" |
| 8 | #include "env.h" |
| 9 | #include "sig.h" |
| 10 | #include "open.h" |
| 11 | #include "getln.h" |
| 12 | #include "case.h" |
| 13 | #include "str.h" |
| 14 | #include "datetime.h" |
| 15 | #include "date822fmt.h" |
| 16 | #include "now.h" |
| 17 | #include "quote.h" |
| 18 | #include "readwrite.h" |
| 19 | #include "exit.h" |
| 20 | #include "substdio.h" |
| 21 | #include "getconf.h" |
| 22 | #include "constmap.h" |
| 23 | #include "fmt.h" |
| 24 | #include "sgetopt.h" |
| 25 | #include "byte.h" |
| 26 | #include "seek.h" |
| 27 | #include "errtxt.h" |
| 28 | #include "copy.h" |
| 29 | #include "idx.h" |
| 30 | |
| 31 | #define FATAL "ezmlm-request: fatal: " |
| 32 | #define INFO "ezmlm-request: info: " |
| 33 | |
| 34 | void die_usage() |
| 35 | { |
| 36 | strerr_die1x(100,"ezmlm-request: usage: ezmlm-request [-f lists.cfg] dir"); |
| 37 | } |
| 38 | |
| 39 | void die_nomem() |
| 40 | { |
| 41 | strerr_die2x(111,FATAL,ERR_NOMEM); |
| 42 | } |
| 43 | |
| 44 | void die_badaddr() |
| 45 | { |
| 46 | strerr_die2x(100,FATAL,ERR_BAD_ADDRESS); |
| 47 | } |
| 48 | |
| 49 | char strnum[FMT_ULONG]; |
| 50 | |
| 51 | void *psql = (void *) 0; |
| 52 | |
| 53 | char *userlocal = (char *) 0; |
| 54 | char *userhost = (char *) 0; |
| 55 | char *listlocal = (char *) 0; |
| 56 | char *listhost = (char *) 0; |
| 57 | char *cfname = (char *) 0; |
| 58 | char *command = "help"; |
| 59 | stralloc line = {0}; |
| 60 | stralloc qline = {0}; |
| 61 | stralloc usr = {0}; |
| 62 | stralloc lhost = {0}; |
| 63 | stralloc subject = {0}; |
| 64 | stralloc inlocal = {0}; |
| 65 | stralloc outlocal = {0}; |
| 66 | stralloc listname = {0}; |
| 67 | stralloc hostname = {0}; |
| 68 | stralloc outhost = {0}; |
| 69 | stralloc headerremove = {0}; |
| 70 | stralloc mailinglist = {0}; |
| 71 | stralloc cmds = {0}; |
| 72 | stralloc from = {0}; |
| 73 | stralloc to = {0}; |
| 74 | stralloc charset = {0}; |
| 75 | char *boundary = "zxcaeedrqcrtrvthbdty"; /* cheap "rnd" MIME boundary */ |
| 76 | int flagcd = '\0'; /* no encoding by default */ |
| 77 | |
| 78 | struct constmap headerremovemap; |
| 79 | struct constmap commandmap; |
| 80 | int flaggotsub = 0; /* Found a subject */ |
| 81 | /* cmdstring has all commands seperated by '\'. cmdxlate maps each */ |
| 82 | /* command alias to the basic command, which is used to construct */ |
| 83 | /* the command address (positive numbers) or handled by this */ |
| 84 | /* program (negative numbers). Note: Any command not matched is */ |
| 85 | /* used to make a command address, so ezmlm request can handle */ |
| 86 | /* ("transmit") user-added commands. */ |
| 87 | const char *cmdstring = |
| 88 | "system\\help\\" /* 1,2 */ |
| 89 | "subscribe\\unsubscribe\\index\\" /* 3,4,5 */ |
| 90 | "info\\list\\query\\" /* 6,7,8 */ |
| 91 | "sub\\unsub\\remove\\signoff\\" /* 9,10,11,12 */ |
| 92 | "lists\\which\\" /* 13,14 */ |
| 93 | "ind\\rev\\review\\recipients\\" /* 15,16,17,18 */ |
| 94 | "who\\showdist\\" /* 19,20 */ |
| 95 | "put\\set"; /* 21,22 */ |
| 96 | |
| 97 | /* map aliases. -> 0 not recognized. -> 1 recognized will be made */ |
| 98 | /* help and arguments scrapped. < 0 handled locally. HELP without */ |
| 99 | /* args also handled locally */ |
| 100 | /* the last are not supported -> help */ |
| 101 | const int cmdxlate[] = { 0,1,2,3,4,5,6,7,8,3,4,4,4,-13,-14,5,7,7,7,7,7, |
| 102 | 1,1 }; |
| 103 | |
| 104 | /* If there are no arguments (listlocal = 0) then commands are mapped*/ |
| 105 | /* through this. This way, help, list, query, ... can mean something */ |
| 106 | /* here even though they have local funcions at the lists if used */ |
| 107 | /* with arguments. (Made same lengh as cmdxlate in case of bugs.) */ |
| 108 | /* Note: This is used ONLY for the global interface */ |
| 109 | const int noargsxlate[] = { 0,1,-2,3,4,5,-2,-13,-14,9,10,11,12,13,14,15,16,17, |
| 110 | 18,19,20,21,22 }; |
| 111 | |
| 112 | /* these need to be defined as the index of the corresponding */ |
| 113 | /* commands. They are handled by ezmlm-request. NOTE: Help is >0! */ |
| 114 | #define EZREQ_LISTS 13 |
| 115 | #define EZREQ_WHICH 14 |
| 116 | #define EZREQ_HELP 2 |
| 117 | #define EZREQ_BAD 1 |
| 118 | |
| 119 | substdio sstext; |
| 120 | char textbuf[1024]; |
| 121 | datetime_sec when; |
| 122 | struct datetime dt; |
| 123 | char date[DATE822FMT]; |
| 124 | |
| 125 | struct qmail qq; |
| 126 | |
| 127 | int qqwrite(fd,buf,len) int fd; char *buf; unsigned int len; |
| 128 | { |
| 129 | qmail_put(&qq,buf,len); |
| 130 | return len; |
| 131 | } |
| 132 | |
| 133 | char qqbuf[1]; |
| 134 | substdio ssqq = SUBSTDIO_FDBUF(qqwrite,-1,qqbuf,(int) sizeof(qqbuf)); |
| 135 | |
| 136 | char inbuf[1024]; |
| 137 | substdio ssin = SUBSTDIO_FDBUF(read,0,inbuf,(int) sizeof(inbuf)); |
| 138 | substdio ssin2 = SUBSTDIO_FDBUF(read,0,inbuf,(int) sizeof(inbuf)); |
| 139 | |
| 140 | substdio ssout; |
| 141 | char outbuf[1]; |
| 142 | |
| 143 | stralloc mydtline = {0}; |
| 144 | |
| 145 | void transferenc() |
| 146 | { |
| 147 | if (flagcd) { |
| 148 | qmail_puts(&qq,"\n--"); |
| 149 | qmail_puts(&qq,boundary); |
| 150 | qmail_puts(&qq,"\nContent-Type: text/plain; charset="); |
| 151 | qmail_puts(&qq,charset.s); |
| 152 | qmail_puts(&qq,"\nContent-Transfer-Encoding: "); |
| 153 | if (flagcd == 'Q') |
| 154 | qmail_puts(&qq,"quoted-printable\n\n"); |
| 155 | else |
| 156 | qmail_puts(&qq,"base64\n\n"); |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | int code_qput(s,n) |
| 161 | char *s; |
| 162 | unsigned int n; |
| 163 | { |
| 164 | if (!flagcd) |
| 165 | qmail_put(&qq,s,n); |
| 166 | else { |
| 167 | if (flagcd == 'B') |
| 168 | encodeB(s,n,&qline,0,FATAL); |
| 169 | else |
| 170 | encodeQ(s,n,&qline,FATAL); |
| 171 | qmail_put(&qq,qline.s,qline.len); |
| 172 | } |
| 173 | return 0; /* always succeeds */ |
| 174 | } |
| 175 | |
| 176 | /* Checks the argument. Only us-ascii letters, numbers, ".+-_" are ok. */ |
| 177 | /* NOTE: For addresses this is more restrictive than rfc821/822. */ |
| 178 | void checkarg(s) |
| 179 | char *s; |
| 180 | { |
| 181 | register char *cp; |
| 182 | register char ch; |
| 183 | cp = s; |
| 184 | if (!cp) return; /* undef is ok */ |
| 185 | while ((ch = *cp++)) { |
| 186 | if (ch >= 'a' && ch <= 'z') |
| 187 | continue; /* lc letters */ |
| 188 | if (ch >= '0' && ch <='9') /* digits */ |
| 189 | continue; |
| 190 | if (ch == '.' || ch == '-' || ch == '_' || ch == '+') |
| 191 | continue; /* ok chars */ |
| 192 | if (ch >= 'A' && ch <= 'Z') continue; /* UC LETTERS */ |
| 193 | strerr_die4x(100,ERR_NOT_CLEAN,": \"",s,"\""); |
| 194 | } |
| 195 | return; |
| 196 | } |
| 197 | |
| 198 | /* parses line poited to by cp into sz:s as per: */ |
| 199 | /* 1. listlocal-command-userlocal=userhost@listhost */ |
| 200 | /* 2. command userlocal@userhost */ |
| 201 | /* 3. command userlocal@userhost listlocal@listhost */ |
| 202 | /* 4. command listlocal@listhost */ |
| 203 | /* 5. command listlocal[@listhost] userlocal@userhost */ |
| 204 | /* 6. which [userlocal@userhost] */ |
| 205 | /* The first 3 are valid only if !cfname, i.e. -request operation and */ |
| 206 | /* listlocal and listhost are always set to outlocal@outhost. Options */ |
| 207 | /* 4-5 are for the global address (cfname is set). Here listhost is */ |
| 208 | /* taken from the first list in *cfname matching listlocal, or set to */ |
| 209 | /* outhost, if not specified. If specified, it's accepted if it matches */ |
| 210 | /* a list in *cfname and silently set to outhost otherwise. Pointers to */ |
| 211 | /* unspecified parts are set to NULL in this routine to be dealt with */ |
| 212 | /* elsewhere. "Which" special argument order (6) is fixed elsewhere. */ |
| 213 | /* If listhost is not given, "@outhost" is added. Absence of 'userhost' */ |
| 214 | /* is accepted to allow commands that take arguments that are not */ |
| 215 | /* addresses (e.g. -get12-34). */ |
| 216 | |
| 217 | void parseline(cp) |
| 218 | char *cp; |
| 219 | |
| 220 | { |
| 221 | register char *cp1, *cp2; |
| 222 | char *cp3; |
| 223 | |
| 224 | cp1 = cp; |
| 225 | while (*cp1) { /* make tabs into spaces */ |
| 226 | if (*cp1 == '\t') *cp1 = ' '; |
| 227 | ++cp1; |
| 228 | } |
| 229 | /* NOTE: outlocal has '\0' added! */ |
| 230 | if (outlocal.len < str_len(cp) && cp[outlocal.len -1] == '-' && |
| 231 | case_starts(cp,outlocal.s)) { /* normal ezmlm cmd */ |
| 232 | command = cp + outlocal.len; /* after the '-' */ |
| 233 | listlocal = outlocal.s; |
| 234 | listhost = outhost.s; |
| 235 | cp1 = command; |
| 236 | while (*cp1 && *cp1 != '-') ++cp1; /* find next '-' */ |
| 237 | if (*cp1) { |
| 238 | *cp1 = '\0'; |
| 239 | userlocal = ++cp1; /* after '-' */ |
| 240 | cp1 = cp1 + str_rchr(cp1,'@'); /* @ _or_ end */ |
| 241 | *cp1 = '\0'; /* last '=' in userlocal */ |
| 242 | cp1 = userlocal + str_rchr(userlocal,'='); |
| 243 | if (*cp1) { /* found '=' */ |
| 244 | *cp1 = '\0'; /* zap */ |
| 245 | userhost = cp1 + 1; /* char after '=' */ |
| 246 | } |
| 247 | } |
| 248 | } else { /* '@' before ' ' means complete cmd */ |
| 249 | if (str_chr(cp,'@') < str_chr(cp,' ')) /* addr where inlocal failed */ |
| 250 | strerr_die2x(100,FATAL,ERR_REQ_LOCAL); |
| 251 | /* to match */ |
| 252 | command = cp; |
| 253 | cp1 = cp + str_chr(cp,' '); |
| 254 | if (*cp1) { |
| 255 | *cp1++ = '\0'; |
| 256 | while (*cp1 && *cp1 == ' ') ++cp1; /* skip spaces */ |
| 257 | } |
| 258 | cp2 = 0; |
| 259 | if (*cp1) { /* argument */ |
| 260 | cp2 = cp1 + str_chr(cp1,' '); |
| 261 | cp3 = cp2; |
| 262 | while (*cp2 && *cp2 == ' ') ++cp2; /* skip spaces */ |
| 263 | *cp3 = '\0'; |
| 264 | |
| 265 | if (!*cp2) |
| 266 | cp2 = 0; |
| 267 | else { |
| 268 | cp3 = cp2 + str_chr(cp2,' '); |
| 269 | *cp3 = '\0'; |
| 270 | } |
| 271 | } else |
| 272 | cp1 = 0; |
| 273 | |
| 274 | if (!cfname && !cp2) { /* the single arg is user if we serve a */ |
| 275 | cp2 = cp1; /* list. It's list if we serve "domo@" */ |
| 276 | cp1 = 0; |
| 277 | } |
| 278 | if (cp2) { |
| 279 | userlocal = cp2; |
| 280 | cp2 += str_chr(cp2,'@'); |
| 281 | if (*cp2) { |
| 282 | *cp2++ = '\0'; |
| 283 | userhost = cp2; |
| 284 | } |
| 285 | } |
| 286 | if (cp1) { |
| 287 | listlocal = cp1; |
| 288 | cp1 += str_chr(cp1,'@'); |
| 289 | if (*cp1) { |
| 290 | *cp1++ = '\0'; |
| 291 | listhost = cp1; |
| 292 | } |
| 293 | } |
| 294 | } |
| 295 | checkarg(command); /* better safe than sorry */ |
| 296 | checkarg(userlocal); checkarg(userhost); |
| 297 | checkarg(listlocal); checkarg(listhost); |
| 298 | } |
| 299 | |
| 300 | void main(argc,argv) |
| 301 | int argc; |
| 302 | char **argv; |
| 303 | { |
| 304 | char *dir; |
| 305 | char *local; |
| 306 | char *action; |
| 307 | char *def; |
| 308 | char *sender; |
| 309 | char *psz; |
| 310 | char *err; |
| 311 | int cmdidx; |
| 312 | int flagsub; |
| 313 | int flagok; |
| 314 | int flagnosubject; |
| 315 | int match; |
| 316 | int flaginheader; |
| 317 | int flagbadfield; |
| 318 | int flagmultipart = 0; |
| 319 | int fd; |
| 320 | int opt; |
| 321 | unsigned int pos,pos1,len,last; |
| 322 | |
| 323 | (void)umask(022); |
| 324 | sig_pipeignore(); |
| 325 | |
| 326 | while ((opt = getopt(argc,argv,"f:F:vV")) != opteof) |
| 327 | switch(opt) { |
| 328 | case 'F': |
| 329 | case 'f': if (optarg) cfname = optarg; break; |
| 330 | case 'v': |
| 331 | case 'V': strerr_die2x(0,"ezmlm-request version: ",EZIDX_VERSION); |
| 332 | default: |
| 333 | die_usage(); |
| 334 | } |
| 335 | |
| 336 | dir = argv[optind]; |
| 337 | if (!dir) die_usage(); |
| 338 | |
| 339 | if (chdir(dir) == -1) |
| 340 | strerr_die4sys(111,FATAL,ERR_SWITCH,dir,": "); |
| 341 | |
| 342 | /* do minimum to identify request for this program in case */ |
| 343 | /* it's invoked in line with e.g. ezmlm-manage */ |
| 344 | |
| 345 | def = env_get("DEFAULT"); |
| 346 | if (def) { /* qmail>=1.02 */ |
| 347 | action = def; |
| 348 | } else if (cfname) { /* older qmail OR just list-mdomo */ |
| 349 | local = env_get("LOCAL"); |
| 350 | if (!local) strerr_die2x(100,FATAL,ERR_NOLOCAL); |
| 351 | len = str_len(local); |
| 352 | if (len >= 8 && !case_diffb(local + len - 8,8,"-return-")) { |
| 353 | action = "return-"; /* our bounce with qmail<1.02 */ |
| 354 | } else |
| 355 | action = ""; /* list-mdomo-xxx won't work for older lists */ |
| 356 | } else { /* older qmail versions */ |
| 357 | local = env_get("LOCAL"); |
| 358 | if (!local) strerr_die2x(100,FATAL,ERR_NOLOCAL); |
| 359 | getconf_line(&inlocal,"inlocal",1,FATAL,dir); |
| 360 | if (inlocal.len > str_len(local)) die_badaddr(); |
| 361 | if (case_diffb(inlocal.s,inlocal.len,local)) die_badaddr(); |
| 362 | action = local + inlocal.len; |
| 363 | if (*action) |
| 364 | if (*(action++) != '-') die_badaddr(); /* check anyway */ |
| 365 | } |
| 366 | /* at this point action = "request" or "request-..." for std use; */ |
| 367 | /* "" for majordomo@ */ |
| 368 | if (!cfname) { /* expect request */ |
| 369 | if (case_starts(action,ACTION_REQUEST)) |
| 370 | action += str_len(ACTION_REQUEST); |
| 371 | else if (case_starts(action,ALT_REQUEST)) |
| 372 | action += str_len(ALT_REQUEST); |
| 373 | else |
| 374 | _exit(0); /* not for us */ |
| 375 | } |
| 376 | getconf_line(&outlocal,"outlocal",1,FATAL,dir); |
| 377 | getconf_line(&outhost,"outhost",1,FATAL,dir); |
| 378 | |
| 379 | if (!stralloc_copy(&listname,&outlocal)) die_nomem(); |
| 380 | if (!stralloc_copy(&hostname,&outhost)) die_nomem(); |
| 381 | if (!stralloc_0(&outlocal)) die_nomem(); |
| 382 | if (!stralloc_0(&outhost)) die_nomem(); |
| 383 | |
| 384 | sender = env_get("SENDER"); |
| 385 | if (!sender) strerr_die2x(99,INFO,ERR_NOSENDER); |
| 386 | if (!*sender) |
| 387 | strerr_die2x(99,INFO,ERR_BOUNCE); |
| 388 | if (!sender[str_chr(sender,'@')]) |
| 389 | strerr_die2x(99,INFO,ERR_ANONYMOUS); |
| 390 | if (str_equal(sender,"#@[]")) |
| 391 | strerr_die2x(99,INFO,ERR_BOUNCE); |
| 392 | |
| 393 | getconf(&headerremove,"headerremove",1,FATAL,dir); |
| 394 | constmap_init(&headerremovemap,headerremove.s,headerremove.len,0); |
| 395 | |
| 396 | if (!stralloc_copys(&mydtline, |
| 397 | "Delivered-To: request processor for ")) die_nomem(); |
| 398 | if (!stralloc_cats(&mydtline,outlocal.s)) die_nomem(); |
| 399 | if (!stralloc_cats(&mydtline,"@")) die_nomem(); |
| 400 | if (!stralloc_cats(&mydtline,outhost.s)) die_nomem(); |
| 401 | if (!stralloc_cats(&mydtline,"\n")) die_nomem(); |
| 402 | |
| 403 | flagnosubject = 1; |
| 404 | if (action[0]) { /* mainly to allow ezmlm-lists or ezmlm-which with */ |
| 405 | flagnosubject = 0; /* a command address rather than a complete msg */ |
| 406 | command = action; |
| 407 | if (str_start(action,"return")) /* kill bounces */ |
| 408 | strerr_die2x(0,INFO,ERR_BOUNCE); |
| 409 | pos = 1 + str_chr(action + 1,'-'); |
| 410 | if (action[pos]) { /* start of target */ |
| 411 | action[pos] = '\0'; |
| 412 | userlocal = action + pos + 1; |
| 413 | pos = str_rchr(userlocal,'='); /* the "pseudo-@" */ |
| 414 | if (userlocal[pos]) { |
| 415 | userlocal[pos] = '\0'; |
| 416 | userhost = userlocal + pos + 1; |
| 417 | } |
| 418 | } |
| 419 | } else { |
| 420 | for (;;) { /* Get Subject: */ |
| 421 | if (getln(&ssin,&line,&match,'\n') == -1) |
| 422 | strerr_die2sys(111,FATAL,ERR_READ_INPUT); |
| 423 | if (line.len == 1) |
| 424 | break; |
| 425 | if ((line.s[0] != ' ') && (line.s[0] != '\t')) { |
| 426 | flagsub = 0; |
| 427 | |
| 428 | if (case_startb(line.s,line.len,"mailing-list:")) |
| 429 | strerr_die2x(100,FATAL,ERR_MAILING_LIST); |
| 430 | else if (case_startb(line.s,line.len,"Subject:")) { |
| 431 | flaggotsub = 1; |
| 432 | pos = 8; |
| 433 | last = line.len - 2; /* skip terminal '\n' */ |
| 434 | while (line.s[last] == ' ' || line.s[last] == '\t') --last; |
| 435 | while (pos <= last && |
| 436 | (line.s[pos] == ' ' || line.s[pos] == '\t')) ++pos; |
| 437 | if (!stralloc_copyb(&subject,line.s+pos,last-pos+1)) die_nomem(); |
| 438 | } else if (case_startb(line.s,line.len,"content-type:")) { |
| 439 | pos = 13; last = line.len - 2; /* not cont-line - ok */ |
| 440 | while (pos <= last && |
| 441 | (line.s[pos] == ' ' || line.s[pos] == '\t')) ++pos; |
| 442 | if (case_startb(line.s+pos,line.len - pos,"multipart/")) |
| 443 | flagmultipart = 1; |
| 444 | } else if (line.len == mydtline.len) |
| 445 | if (!byte_diff(line.s,line.len,mydtline.s)) |
| 446 | strerr_die2x(100,FATAL,ERR_LOOPING); |
| 447 | } else if (flagsub) { /* Continuation line */ |
| 448 | pos = 1; |
| 449 | len = line.len - 2; /* skip terminal '\n' */ |
| 450 | while (line.s[len] == ' ' || line.s[len] == '\t') --len; |
| 451 | while (pos < len && |
| 452 | (line.s[pos] == ' ' || line.s[pos] == '\t')) ++pos; |
| 453 | if (!stralloc_append(&subject," ")) die_nomem(); |
| 454 | if (!stralloc_copy(&subject,line.s+pos,len-pos+1)) die_nomem(); |
| 455 | } |
| 456 | if (!match) |
| 457 | break; |
| 458 | } |
| 459 | if (!cfname) { /* listserv@/majordomo@ ignore */ |
| 460 | register char ch; |
| 461 | if (!stralloc_0(&subject)) die_nomem(); |
| 462 | ch = *subject.s; /* valid commands/list names start w letter */ |
| 463 | if ((ch <= 'z' && ch >= 'a') || (ch <= 'Z' && ch >= 'A')) { |
| 464 | parseline(subject.s); |
| 465 | flagnosubject = 0; |
| 466 | } |
| 467 | } |
| 468 | if (cfname || flagnosubject) { |
| 469 | for (;;) { /* parse body */ |
| 470 | if (getln(&ssin,&line,&match,'\n') == -1) |
| 471 | strerr_die2sys(111,FATAL,ERR_READ_INPUT); |
| 472 | if (!match) break; |
| 473 | if (line.len == 1 && flagmultipart != 2) continue; |
| 474 | /* lazy MIME cludge assumes first '--...' is start border */ |
| 475 | /* which is virtually always true */ |
| 476 | if (flagmultipart == 1) { /* skip to first border */ |
| 477 | if (*line.s != '-' || line.s[1] != '-') continue; |
| 478 | flagmultipart = 2; |
| 479 | continue; |
| 480 | } else if (flagmultipart == 2) { /* skip content info */ |
| 481 | if (line.len != 1) continue; |
| 482 | flagmultipart = 3; /* may be part within part */ |
| 483 | continue; /* and blank line */ |
| 484 | } else if (flagmultipart == 3) { |
| 485 | if (*line.s == '-' && line.s[1] == '-') { |
| 486 | flagmultipart = 2; /* part within part */ |
| 487 | continue; |
| 488 | } |
| 489 | } |
| 490 | { |
| 491 | register char ch; |
| 492 | ch = *line.s; |
| 493 | if (line.len == 1 || |
| 494 | !((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z'))) |
| 495 | continue; /* skip if not letter pos 1 */ |
| 496 | } |
| 497 | /* Here we have a body line with something */ |
| 498 | if (!stralloc_copy(&subject,&line)) die_nomem(); /* save it */ |
| 499 | subject.s[subject.len-1] = '\0'; |
| 500 | parseline(subject.s); |
| 501 | break; |
| 502 | } |
| 503 | } |
| 504 | } |
| 505 | /* Do command substitution */ |
| 506 | if (!stralloc_copys(&cmds,cmdstring)) die_nomem(); |
| 507 | if (!stralloc_0(&cmds)) die_nomem(); |
| 508 | psz = cmds.s; |
| 509 | while (*psz) { |
| 510 | if (*psz == '\\') *psz = '\0'; |
| 511 | ++psz; |
| 512 | } |
| 513 | if (!constmap_init(&commandmap,cmds.s,cmds.len,0)) die_nomem(); |
| 514 | cmdidx = cmdxlate[constmap_index(&commandmap,command,str_len(command))]; |
| 515 | if (cmdidx == EZREQ_BAD) { /* recognized, but not supported -> help */ |
| 516 | listlocal = 0; /* needed 'cause arguments are who-knows-what */ |
| 517 | listhost = 0; |
| 518 | userlocal = 0; |
| 519 | userhost = 0; |
| 520 | cmdidx = EZREQ_HELP; |
| 521 | } |
| 522 | if (cfname && !listlocal && !userlocal && cmdidx > 0) |
| 523 | cmdidx = noargsxlate[cmdidx]; /* some done differently if no args */ |
| 524 | |
| 525 | /* =0 not found. This is treated as a list command! */ |
| 526 | if (cmdidx < 0 && !cfname) { |
| 527 | cmdidx = EZREQ_HELP; |
| 528 | } |
| 529 | if (qmail_open(&qq,(stralloc *) 0) == -1) |
| 530 | strerr_die2sys(111,FATAL,ERR_QMAIL_QUEUE); |
| 531 | |
| 532 | if (cmdidx >= 0) { |
| 533 | /* Things handled elsewhere. We do want to handle a simple HELP */ |
| 534 | /* without arguments for e.g. majordomo@ from our own help file */ |
| 535 | |
| 536 | if (!stralloc_copys(&from,sender)) die_nomem(); |
| 537 | if (!stralloc_0(&from)) die_nomem(); |
| 538 | if (!listlocal) { |
| 539 | if (cfname) |
| 540 | strerr_die1x(100,ERR_REQ_LISTNAME); |
| 541 | else |
| 542 | listlocal = outlocal.s; /* This is at the -request address */ |
| 543 | } |
| 544 | /* if !cfname listhost is made outhost. If cfname, listhost=outhost */ |
| 545 | /* is ok. listhost=0 => first match in config. Other listhost is ok */ |
| 546 | /* only if match is found. Otherwise it's set to outhost. */ |
| 547 | |
| 548 | if (!cfname || (listhost && !case_diffs(listhost,outhost.s))) |
| 549 | listhost = outhost.s; |
| 550 | else { /* Check listhost against config file */ |
| 551 | pos = str_len(listlocal); |
| 552 | fd = open_read(cfname); |
| 553 | if (fd == -1) |
| 554 | strerr_die4sys(111,FATAL,ERR_OPEN,cfname,": "); |
| 555 | substdio_fdbuf(&sstext,read,fd,textbuf,sizeof(textbuf)); |
| 556 | flagok = 0; /* got listhost match */ |
| 557 | for (;;) { |
| 558 | if (getln(&sstext,&line,&match,'\n') == -1) |
| 559 | strerr_die3sys(111,FATAL,ERR_READ,cfname); |
| 560 | if (!match) |
| 561 | break; |
| 562 | if (line.len <= 1 || line.s[0] == '#') |
| 563 | continue; |
| 564 | if ((pos < line.len) && (line.s[pos] == '@') && |
| 565 | !byte_diff(line.s,pos,listlocal)) { |
| 566 | last = byte_chr(line.s,line.len,':'); |
| 567 | if (!stralloc_copyb(&lhost,line.s+pos+1,last-pos-1)) die_nomem(); |
| 568 | if (!stralloc_0(&lhost)) die_nomem(); |
| 569 | if (listhost) { |
| 570 | if (!case_diffs(listhost,lhost.s)) { |
| 571 | flagok = 1; |
| 572 | break; /* host did match */ |
| 573 | } else |
| 574 | continue; /* host didn't match */ |
| 575 | } else { /* none given - grab first */ |
| 576 | listhost = lhost.s; |
| 577 | flagok = 1; |
| 578 | break; |
| 579 | } |
| 580 | } |
| 581 | } |
| 582 | if (!flagok) |
| 583 | listhost = outhost.s; |
| 584 | close(fd); |
| 585 | } |
| 586 | if (!listhost) |
| 587 | listhost = outhost.s; |
| 588 | if (!userlocal) { |
| 589 | if (!stralloc_copys(&usr,sender)) die_nomem(); |
| 590 | if (!stralloc_0(&usr)) die_nomem(); |
| 591 | userlocal = usr.s; |
| 592 | userhost = usr.s + byte_rchr(usr.s,usr.len-1,'@'); |
| 593 | if (!*userhost) |
| 594 | userhost = 0; |
| 595 | else { |
| 596 | *userhost = '\0'; |
| 597 | ++userhost; |
| 598 | } |
| 599 | } |
| 600 | |
| 601 | if (!stralloc_copys(&to,listlocal)) die_nomem(); |
| 602 | if (!stralloc_cats(&to,"-")) die_nomem(); |
| 603 | if (cmdidx) { /* recognized - substitute */ |
| 604 | if (!stralloc_cats(&to,constmap_get(&commandmap,cmdidx))) |
| 605 | die_nomem(); |
| 606 | } else /* not recognized - use as is */ |
| 607 | if (!stralloc_cats(&to,command)) die_nomem(); |
| 608 | |
| 609 | if (!stralloc_cats(&to,"-")) die_nomem(); |
| 610 | if (!stralloc_cats(&to,userlocal)) die_nomem(); |
| 611 | if (userhost) { /* doesn't exist for e.g. -get */ |
| 612 | if (!stralloc_cats(&to,"=")) die_nomem(); |
| 613 | if (!stralloc_cats(&to,userhost)) die_nomem(); |
| 614 | } |
| 615 | if (!stralloc_cats(&to,"@")) die_nomem(); |
| 616 | if (!stralloc_cats(&to,listhost)) die_nomem(); |
| 617 | if (!stralloc_0(&to)) die_nomem(); |
| 618 | |
| 619 | qmail_put(&qq,mydtline.s,mydtline.len); |
| 620 | |
| 621 | flaginheader = 1; |
| 622 | flagbadfield = 0; |
| 623 | |
| 624 | if (seek_begin(0) == -1) |
| 625 | strerr_die2sys(111,FATAL,ERR_SEEK_INPUT); |
| 626 | substdio_fdbuf(&ssin,read,0,inbuf,sizeof(inbuf)); |
| 627 | |
| 628 | for (;;) { |
| 629 | if (getln(&ssin,&line,&match,'\n') == -1) |
| 630 | strerr_die2sys(111,FATAL,ERR_READ_INPUT); |
| 631 | |
| 632 | if (flaginheader && match) { |
| 633 | if (line.len == 1) |
| 634 | flaginheader = 0; |
| 635 | if ((line.s[0] != ' ') && (line.s[0] != '\t')) { |
| 636 | flagbadfield = 0; |
| 637 | if (constmap(&headerremovemap,line.s,byte_chr(line.s,line.len,':'))) |
| 638 | flagbadfield = 1; |
| 639 | } |
| 640 | } |
| 641 | if (!(flaginheader && flagbadfield)) |
| 642 | qmail_put(&qq,line.s,line.len); |
| 643 | if (!match) |
| 644 | break; |
| 645 | } |
| 646 | } else { /* commands we deal with */ |
| 647 | cmdidx = - cmdidx; /* now positive */ |
| 648 | if (cmdidx == EZREQ_WHICH) { /* arg is user, not list */ |
| 649 | userlocal = listlocal; listlocal = 0; |
| 650 | userhost = listhost; listhost = 0; |
| 651 | } |
| 652 | if (!stralloc_copys(&from,outlocal.s)) die_nomem(); |
| 653 | if (!stralloc_cats(&from,"-return-@")) die_nomem(); |
| 654 | if (!stralloc_cats(&from,outhost.s)) die_nomem(); |
| 655 | if (!stralloc_0(&from)) die_nomem(); |
| 656 | |
| 657 | if (userlocal) { |
| 658 | if (!stralloc_copys(&to,userlocal)) die_nomem(); |
| 659 | if (!stralloc_cats(&to,"@")) die_nomem(); |
| 660 | if (userhost) { |
| 661 | if (!stralloc_cats(&to,userhost)) die_nomem(); |
| 662 | } else { |
| 663 | if (!stralloc_cats(&to,outhost.s)) die_nomem(); |
| 664 | } |
| 665 | } else |
| 666 | if (!stralloc_copys(&to,sender)) die_nomem(); |
| 667 | if (!stralloc_0(&to)) die_nomem(); |
| 668 | |
| 669 | /* now we need to look for charset and set flagcd appropriately */ |
| 670 | |
| 671 | if (getconf_line(&charset,"charset",0,FATAL,dir)) { |
| 672 | if (charset.len >= 2 && charset.s[charset.len - 2] == ':') { |
| 673 | if (charset.s[charset.len - 1] == 'B' || |
| 674 | charset.s[charset.len - 1] == 'Q') { |
| 675 | flagcd = charset.s[charset.len - 1]; |
| 676 | charset.s[charset.len - 2] = '\0'; |
| 677 | } |
| 678 | } |
| 679 | } else |
| 680 | if (!stralloc_copys(&charset,TXT_DEF_CHARSET)) die_nomem(); |
| 681 | if (!stralloc_0(&charset)) die_nomem(); |
| 682 | set_cpoutlocal(&listname); /* necessary in case there are <#l#> */ |
| 683 | set_cpouthost(&hostname); /* necessary in case there are <#h#> */ |
| 684 | /* we don't want to be send to a list*/ |
| 685 | qmail_puts(&qq,"Mailing-List: ezmlm-request"); |
| 686 | if (getconf(&line,"listid",0,FATAL)) { |
| 687 | qmail_puts(&qq,"List-ID: "); |
| 688 | qmail_put(&qq,line.s,line.len); |
| 689 | } |
| 690 | qmail_puts(&qq,"\nDate: "); |
| 691 | when = now(); |
| 692 | datetime_tai(&dt,when); |
| 693 | qmail_put(&qq,date,date822fmt(date,&dt)); |
| 694 | qmail_puts(&qq,"Message-ID: <"); |
| 695 | if (!stralloc_copyb(&line,strnum,fmt_ulong(strnum,(unsigned long) when))) |
| 696 | die_nomem(); |
| 697 | if (!stralloc_append(&line,".")) die_nomem(); |
| 698 | if (!stralloc_catb(&line,strnum, |
| 699 | fmt_ulong(strnum,(unsigned long) getpid()))) die_nomem(); |
| 700 | if (!stralloc_cats(&line,".ezmlm@")) die_nomem(); |
| 701 | if (!stralloc_cats(&line,outhost.s)) die_nomem(); |
| 702 | if (!stralloc_0(&line)) die_nomem(); |
| 703 | qmail_puts(&qq,line.s); |
| 704 | qmail_puts(&qq,">\nFrom: "); |
| 705 | if (!quote2(&line,outlocal.s)) die_nomem(); |
| 706 | qmail_put(&qq,line.s,line.len); |
| 707 | if (cmdidx == EZREQ_HELP) |
| 708 | qmail_puts(&qq,"-return-@"); |
| 709 | else |
| 710 | qmail_puts(&qq,"-help@"); |
| 711 | qmail_puts(&qq,outhost.s); |
| 712 | qmail_puts(&qq,"\n"); |
| 713 | qmail_put(&qq,mydtline.s,mydtline.len); |
| 714 | qmail_puts(&qq,"To: "); |
| 715 | if (!quote2(&line,to.s)) die_nomem(); |
| 716 | qmail_put(&qq,line.s,line.len); |
| 717 | qmail_puts(&qq,"\n"); |
| 718 | qmail_puts(&qq,"MIME-Version: 1.0\n"); |
| 719 | if (flagcd) { |
| 720 | qmail_puts(&qq,"Content-Type: multipart/mixed; charset="); |
| 721 | qmail_puts(&qq,charset.s); |
| 722 | qmail_puts(&qq,";\n\tboundary="); |
| 723 | qmail_puts(&qq,boundary); |
| 724 | } else { |
| 725 | qmail_puts(&qq,"Content-type: text/plain; charset="); |
| 726 | qmail_puts(&qq,charset.s); |
| 727 | } |
| 728 | qmail_puts(&qq,"\nSubject: "); |
| 729 | if (!quote2(&line,outlocal.s)) die_nomem(); |
| 730 | qmail_put(&qq,line.s,line.len); |
| 731 | qmail_puts(&qq,TXT_RESULTS); |
| 732 | transferenc(); |
| 733 | copy(&qq,"text/top",flagcd,FATAL); |
| 734 | if (cmdidx == EZREQ_LISTS || cmdidx == EZREQ_WHICH) { |
| 735 | switch (cmdidx) { |
| 736 | case EZREQ_LISTS: |
| 737 | code_qput("LISTS:",6); |
| 738 | break; |
| 739 | case EZREQ_WHICH: |
| 740 | code_qput("WHICH (",7); |
| 741 | code_qput(to.s,to.len - 1); |
| 742 | code_qput("):\n\n",4); |
| 743 | break; |
| 744 | default: break; |
| 745 | } |
| 746 | fd = open_read(cfname); |
| 747 | if (fd == -1) |
| 748 | strerr_die4sys(111,FATAL,ERR_OPEN,cfname,": "); |
| 749 | substdio_fdbuf(&sstext,read,fd,textbuf,sizeof(textbuf)); |
| 750 | for (;;) { |
| 751 | if (getln(&sstext,&line,&match,'\n') == -1) |
| 752 | strerr_die3sys(111,FATAL,ERR_READ,cfname); |
| 753 | if (!match) |
| 754 | break; |
| 755 | if (line.len <= 1 || line.s[0] == '#') |
| 756 | continue; |
| 757 | if (!stralloc_0(&line)) die_nomem(); |
| 758 | pos = str_chr(line.s,':'); |
| 759 | if (!line.s[pos]) |
| 760 | break; |
| 761 | line.s[pos] = '\0'; |
| 762 | ++pos; |
| 763 | pos1 = pos + str_chr(line.s + pos,':'); |
| 764 | if (line.s[pos1]) { |
| 765 | line.s[pos1] = '\0'; |
| 766 | ++pos1; |
| 767 | } else |
| 768 | pos1 = 0; |
| 769 | |
| 770 | switch (cmdidx) { |
| 771 | case EZREQ_LISTS: |
| 772 | code_qput("\n\n\t",3); |
| 773 | code_qput(line.s,pos-1); |
| 774 | code_qput("\n",1); |
| 775 | if (pos1) { |
| 776 | code_qput(line.s+pos1,line.len-2-pos1); |
| 777 | } |
| 778 | break; |
| 779 | case EZREQ_WHICH: |
| 780 | if (issub(line.s+pos,to.s,(char *) 0,FATAL)) { |
| 781 | code_qput(line.s,pos-1); |
| 782 | code_qput("\n",1); |
| 783 | } |
| 784 | closesql(); /* likely different dbs for different lists */ |
| 785 | break; |
| 786 | } |
| 787 | } |
| 788 | code_qput("\n",1); |
| 789 | close(fd); |
| 790 | } else |
| 791 | copy(&qq,"text/help",flagcd,FATAL); |
| 792 | |
| 793 | copy(&qq,"text/bottom",flagcd,FATAL); |
| 794 | if (flagcd) { |
| 795 | if (flagcd == 'B') { |
| 796 | encodeB("",0,&line,2,FATAL); /* flush */ |
| 797 | qmail_put(&qq,line.s,line.len); |
| 798 | } |
| 799 | qmail_puts(&qq,"\n--"); |
| 800 | qmail_puts(&qq,boundary); |
| 801 | qmail_puts(&qq,"\nContent-Type: message/rfc822"); |
| 802 | qmail_puts(&qq, |
| 803 | "\nContent-Disposition: inline; filename=request.msg\n\n"); |
| 804 | } |
| 805 | qmail_puts(&qq,"Return-Path: <"); |
| 806 | if (!quote2(&line,sender)) die_nomem(); |
| 807 | qmail_put(&qq,line.s,line.len); |
| 808 | qmail_puts(&qq,">\n"); |
| 809 | if (seek_begin(0) == -1) |
| 810 | strerr_die2sys(111,FATAL,ERR_SEEK_INPUT); |
| 811 | if (substdio_copy(&ssqq,&ssin2) != 0) |
| 812 | strerr_die2sys(111,FATAL,ERR_READ_INPUT); |
| 813 | if (flagcd) { |
| 814 | qmail_puts(&qq,"\n--"); |
| 815 | qmail_puts(&qq,boundary); |
| 816 | qmail_puts(&qq,"--\n"); |
| 817 | } |
| 818 | } |
| 819 | qmail_from(&qq,from.s); |
| 820 | qmail_to(&qq,to.s); |
| 821 | if (*(err = qmail_close(&qq)) != '\0') |
| 822 | strerr_die3x(111,FATAL,ERR_TMP_QMAIL_QUEUE,err + 1); |
| 823 | |
| 824 | strnum[fmt_ulong(strnum,qmail_qp(&qq))] = 0; |
| 825 | strerr_die3x(99,INFO, "qp ",strnum); |
| 826 | } |