| 1 | /* |
| 2 | * Dolda Connect - Modular multiuser Direct Connect-style client |
| 3 | * Copyright (C) 2004 Fredrik Tolf (fredrik@dolda2000.com) |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | #define _GNU_SOURCE |
| 20 | #include <unistd.h> |
| 21 | #include <stdlib.h> |
| 22 | #include <sys/socket.h> |
| 23 | #include <netinet/in.h> |
| 24 | #include <netinet/ip6.h> |
| 25 | #include <arpa/inet.h> |
| 26 | #include <sys/un.h> |
| 27 | #include <errno.h> |
| 28 | #include <string.h> |
| 29 | #include <stdarg.h> |
| 30 | #include <wchar.h> |
| 31 | #include <wctype.h> |
| 32 | #include <iconv.h> |
| 33 | #include <pwd.h> |
| 34 | #include <time.h> |
| 35 | #include <fcntl.h> |
| 36 | #include <signal.h> |
| 37 | |
| 38 | #ifdef HAVE_CONFIG_H |
| 39 | #include <config.h> |
| 40 | #endif |
| 41 | #include "conf.h" |
| 42 | #include "auth.h" |
| 43 | #include "utils.h" |
| 44 | #include "net.h" |
| 45 | #include "module.h" |
| 46 | #include "sysevents.h" |
| 47 | #include "filenet.h" |
| 48 | #include "transfer.h" |
| 49 | #include "search.h" |
| 50 | #include "client.h" |
| 51 | |
| 52 | #define PERM_DISALLOW 1 |
| 53 | #define PERM_ADMIN 2 |
| 54 | #define PERM_FNETCTL 4 |
| 55 | #define PERM_TRANS 8 |
| 56 | #define PERM_TRANSCU 16 |
| 57 | #define PERM_CHAT 32 |
| 58 | #define PERM_SRCH 64 |
| 59 | |
| 60 | #define NOTIF_END 0 |
| 61 | #define NOTIF_INT 1 |
| 62 | #define NOTIF_STR 2 |
| 63 | #define NOTIF_FLOAT 3 |
| 64 | #define NOTIF_ID 4 |
| 65 | #define NOTIF_PEND 0 |
| 66 | #define NOTIF_WAIT 1 |
| 67 | |
| 68 | struct uidata; |
| 69 | |
| 70 | struct command |
| 71 | { |
| 72 | wchar_t *name; |
| 73 | void (*handler)(struct socket *sk, struct uidata *data, int argc, wchar_t **argv); |
| 74 | }; |
| 75 | |
| 76 | struct qcommand |
| 77 | { |
| 78 | struct qcommand *next; |
| 79 | struct command *cmd; |
| 80 | int argc; |
| 81 | wchar_t **argv; |
| 82 | }; |
| 83 | |
| 84 | struct uiuser |
| 85 | { |
| 86 | struct uiuser *next, *prev; |
| 87 | int used; |
| 88 | wchar_t *name; |
| 89 | unsigned long perms; |
| 90 | int delete; |
| 91 | }; |
| 92 | |
| 93 | struct notif |
| 94 | { |
| 95 | struct notif *next, *prev; |
| 96 | struct uidata *ui; |
| 97 | int state; |
| 98 | int code; |
| 99 | double rlimit; |
| 100 | size_t argc; |
| 101 | struct timer *exptimer; |
| 102 | struct notifarg |
| 103 | { |
| 104 | int dt; |
| 105 | union |
| 106 | { |
| 107 | int n; |
| 108 | wchar_t *s; |
| 109 | double d; |
| 110 | } d; |
| 111 | } *argv; |
| 112 | }; |
| 113 | |
| 114 | struct uidata |
| 115 | { |
| 116 | struct uidata *next, *prev; |
| 117 | struct socket *sk; |
| 118 | struct qcommand *queue, *queuelast; |
| 119 | struct authhandle *auth; |
| 120 | int close; |
| 121 | union |
| 122 | { |
| 123 | struct |
| 124 | { |
| 125 | int fnact:1; |
| 126 | int fnchat:1; |
| 127 | int fnpeer:1; |
| 128 | int tract:1; |
| 129 | int trprog:1; |
| 130 | int srch:1; |
| 131 | int msg:1; |
| 132 | } b; |
| 133 | int w; |
| 134 | } notify; |
| 135 | wchar_t *username; |
| 136 | struct uiuser *userinfo; |
| 137 | int id; |
| 138 | wchar_t *regname; |
| 139 | uid_t uid; |
| 140 | struct notif *fnotif, *lnotif; |
| 141 | char *fcmdbuf; |
| 142 | size_t fcmdbufdata, fcmdbufsize; |
| 143 | pid_t fcmdpid; |
| 144 | struct socket *fcmdsk; |
| 145 | /* Read buffer */ |
| 146 | char *inbuf; |
| 147 | size_t inbufsize, indata; |
| 148 | /* Wordset storage */ |
| 149 | wchar_t **argv; |
| 150 | size_t argc, args; |
| 151 | /* WCS conversation stuff */ |
| 152 | wchar_t *cb; /* Conversation buffer */ |
| 153 | size_t cbsize, cbdata; |
| 154 | iconv_t ichandle; |
| 155 | /* Parser data */ |
| 156 | int ps; /* Parser state */ |
| 157 | wchar_t *pp; /* Current parse pointer */ |
| 158 | wchar_t *cw; /* Current word (building storage) */ |
| 159 | size_t cwsize, cwdata; |
| 160 | }; |
| 161 | |
| 162 | static int srcheta(struct search *srch, void *uudata); |
| 163 | static int srchcommit(struct search *srch, void *uudata); |
| 164 | static int srchres(struct search *srch, struct srchres *sr, void *uudata); |
| 165 | static struct notif *newnotif(struct uidata *data, int code, ...); |
| 166 | static void notifappend(struct notif *notif, ...); |
| 167 | |
| 168 | struct uiuser *users = NULL; |
| 169 | struct uidata *actives = NULL; |
| 170 | struct socket *tcpsocket = NULL; |
| 171 | struct socket *unixsocket = NULL; |
| 172 | static time_t starttime; |
| 173 | |
| 174 | static wchar_t *quoteword(wchar_t *word) |
| 175 | { |
| 176 | wchar_t *wp, *buf, *bp; |
| 177 | int dq, numbs, numc; |
| 178 | |
| 179 | dq = 0; |
| 180 | numbs = 0; |
| 181 | numc = 0; |
| 182 | if(*word == L'\0') |
| 183 | { |
| 184 | dq = 1; |
| 185 | } else { |
| 186 | for(wp = word; *wp != L'\0'; wp++) |
| 187 | { |
| 188 | if(!dq && iswspace(*wp)) |
| 189 | dq = 1; |
| 190 | if((*wp == L'\\') || (*wp == L'\"')) |
| 191 | numbs++; |
| 192 | numc++; |
| 193 | } |
| 194 | } |
| 195 | if(!dq && !numbs) |
| 196 | return(NULL); |
| 197 | bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1)); |
| 198 | if(dq) |
| 199 | *(bp++) = L'\"'; |
| 200 | for(wp = word; *wp != L'\0'; wp++) |
| 201 | { |
| 202 | if((*wp == L'\\') || (*wp == L'\"')) |
| 203 | *(bp++) = L'\\'; |
| 204 | *(bp++) = *wp; |
| 205 | } |
| 206 | if(dq) |
| 207 | *(bp++) = L'\"'; |
| 208 | *(bp++) = L'\0'; |
| 209 | return(buf); |
| 210 | } |
| 211 | |
| 212 | static void sq(struct socket *sk, int cont, ...) |
| 213 | { |
| 214 | int num, freepart; |
| 215 | va_list al; |
| 216 | char *final, *sarg; |
| 217 | wchar_t *buf; |
| 218 | wchar_t *part, *tpart; |
| 219 | size_t bufsize, bufdata; |
| 220 | |
| 221 | buf = NULL; |
| 222 | bufsize = bufdata = 0; |
| 223 | num = 0; |
| 224 | va_start(al, cont); |
| 225 | while((part = va_arg(al, wchar_t *)) != NULL) |
| 226 | { |
| 227 | freepart = 0; |
| 228 | if(*part == L'%') |
| 229 | { |
| 230 | tpart = part + 1; |
| 231 | if(!wcscmp(tpart, L"i")) |
| 232 | { |
| 233 | freepart = 1; |
| 234 | part = swprintf2(L"%i", va_arg(al, int)); |
| 235 | } else if(!wcscmp(tpart, L"s")) { |
| 236 | freepart = 1; |
| 237 | part = icmbstowcs(sarg = va_arg(al, char *), NULL); |
| 238 | if(part == NULL) |
| 239 | { |
| 240 | freepart = 0; |
| 241 | part = L"ERROR"; |
| 242 | flog(LOG_ERR, "could not convert local string to wcs: %s", sarg); |
| 243 | } |
| 244 | } else if(!wcscmp(tpart, L"ls")) { |
| 245 | part = va_arg(al, wchar_t *); |
| 246 | } else if(!wcscmp(tpart, L"ll")) { |
| 247 | freepart = 1; |
| 248 | part = swprintf2(L"%lli", va_arg(al, long long)); |
| 249 | } else if(!wcscmp(tpart, L"f")) { |
| 250 | freepart = 1; |
| 251 | part = swprintf2(L"%f", va_arg(al, double)); |
| 252 | } else if(!wcscmp(tpart, L"x")) { |
| 253 | freepart = 1; |
| 254 | part = swprintf2(L"%x", va_arg(al, int)); |
| 255 | } else { |
| 256 | flog(LOG_CRIT, "BUG: unknown type code in sq: %ls", tpart); |
| 257 | abort(); |
| 258 | } |
| 259 | } |
| 260 | if((tpart = quoteword(part)) != NULL) |
| 261 | { |
| 262 | if(freepart) |
| 263 | free(part); |
| 264 | part = tpart; |
| 265 | freepart = 1; |
| 266 | } |
| 267 | if((num > 1) || ((num == 1) && !(cont & 1))) |
| 268 | addtobuf(buf, L' '); |
| 269 | bufcat(buf, part, wcslen(part)); |
| 270 | if((num == 0) && (cont & 1)) |
| 271 | addtobuf(buf, L'-'); |
| 272 | num++; |
| 273 | if(freepart) |
| 274 | free(part); |
| 275 | } |
| 276 | if(cont & 2) |
| 277 | bufcat(buf, L" \0", 2); |
| 278 | else |
| 279 | bufcat(buf, L"\r\n\0", 3); |
| 280 | if((final = icwcstombs(buf, "utf-8")) == NULL) |
| 281 | { |
| 282 | flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno)); |
| 283 | free(buf); |
| 284 | return; |
| 285 | } |
| 286 | va_end(al); |
| 287 | free(buf); |
| 288 | sockqueue(sk, final, strlen(final)); |
| 289 | free(final); |
| 290 | } |
| 291 | |
| 292 | struct uiuser *finduser(wchar_t *name) |
| 293 | { |
| 294 | struct uiuser *user; |
| 295 | |
| 296 | for(user = users; user != NULL; user = user->next) |
| 297 | { |
| 298 | if(!wcscmp(user->name, name)) |
| 299 | break; |
| 300 | } |
| 301 | return(user); |
| 302 | } |
| 303 | |
| 304 | static void logout(struct uidata *data) |
| 305 | { |
| 306 | data->userinfo = NULL; |
| 307 | if(data->username != NULL) |
| 308 | free(data->username); |
| 309 | data->username = NULL; |
| 310 | if(data->auth != NULL) |
| 311 | authputhandle(data->auth); |
| 312 | data->auth = NULL; |
| 313 | } |
| 314 | |
| 315 | static int haspriv(struct uidata *data, int perm) |
| 316 | { |
| 317 | if(data->userinfo == NULL) |
| 318 | return(0); |
| 319 | if(data->userinfo->perms & perm) |
| 320 | return(1); |
| 321 | else |
| 322 | return(0); |
| 323 | } |
| 324 | |
| 325 | /* Useful macros for the command functions: */ |
| 326 | #define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0) |
| 327 | #define havepriv(p) do { if((data->userinfo == NULL) || ((data->userinfo->perms & (p)) != (p))) { sq(sk, 0, L"502", L"Unauthorized request", L"needed", L"%x", (p), L"had", L"%x", data->userinfo->perms, NULL); return; } } while(0) |
| 328 | |
| 329 | static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 330 | { |
| 331 | int valid; |
| 332 | struct in6_addr mv4lo; |
| 333 | |
| 334 | if(confgetint("ui", "onlylocal")) |
| 335 | { |
| 336 | switch(sk->remote->sa_family) |
| 337 | { |
| 338 | case AF_INET: |
| 339 | valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK; |
| 340 | break; |
| 341 | case AF_INET6: |
| 342 | inet_pton(AF_INET6, "::ffff:127.0.0.1", &mv4lo); |
| 343 | valid = 0; |
| 344 | if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback))) |
| 345 | valid = 1; |
| 346 | if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &mv4lo, sizeof(in6addr_loopback))) |
| 347 | valid = 1; |
| 348 | break; |
| 349 | case AF_UNIX: |
| 350 | valid = 1; |
| 351 | break; |
| 352 | default: |
| 353 | valid = 0; |
| 354 | break; |
| 355 | } |
| 356 | if(!valid) |
| 357 | { |
| 358 | sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL); |
| 359 | sk->close = 1; |
| 360 | data->close = 1; |
| 361 | return; |
| 362 | } |
| 363 | } |
| 364 | sq(sk, 0, L"201", L"1", L"1", L"Dolda Connect daemon v" VERSION, NULL); |
| 365 | } |
| 366 | |
| 367 | static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 368 | { |
| 369 | if((argv != NULL) && (argv[0] != NULL)) |
| 370 | sq(sk, 0, L"500", L"Command not found", NULL); |
| 371 | else |
| 372 | sq(sk, 0, L"500", L"No command", NULL); |
| 373 | } |
| 374 | |
| 375 | static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 376 | { |
| 377 | extern volatile int running; |
| 378 | |
| 379 | havepriv(PERM_ADMIN); |
| 380 | flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username); |
| 381 | running = 0; |
| 382 | sq(sk, 0, L"200", L"Daemon shutting down", NULL); |
| 383 | } |
| 384 | |
| 385 | static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 386 | { |
| 387 | sq(sk, 0, L"200", L"Closing connection", NULL); |
| 388 | data->close = 1; |
| 389 | } |
| 390 | |
| 391 | static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 392 | { |
| 393 | struct authmech *mech, *prev; |
| 394 | |
| 395 | prev = NULL; |
| 396 | for(mech = mechs; mech != NULL; mech = mech->next) |
| 397 | { |
| 398 | if(mech->enabled && authavailable(mech, sk)) |
| 399 | { |
| 400 | if(prev != NULL) |
| 401 | sq(sk, 1, L"200", prev->name, NULL); |
| 402 | prev = mech; |
| 403 | } |
| 404 | } |
| 405 | if(prev == NULL) |
| 406 | sq(sk, 0, L"201", L"No authentication methods supported", NULL); |
| 407 | else |
| 408 | sq(sk, 0, L"200", prev->name, NULL); |
| 409 | } |
| 410 | |
| 411 | static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 412 | { |
| 413 | char *buf; |
| 414 | int code; |
| 415 | struct passwd *pwd; |
| 416 | |
| 417 | haveargs(3); |
| 418 | if(data->username != NULL) |
| 419 | { |
| 420 | if(data->userinfo != NULL) |
| 421 | sq(sk, 0, L"503", L"Already logged in", NULL); |
| 422 | else |
| 423 | sq(sk, 0, L"503", L"Already logging in", NULL); |
| 424 | return; |
| 425 | } |
| 426 | if((buf = icwcstombs(argv[2], NULL)) == NULL) |
| 427 | { |
| 428 | sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL); |
| 429 | return; |
| 430 | } |
| 431 | data->username = swcsdup(argv[2]); |
| 432 | if((pwd = getpwnam(buf)) == NULL) |
| 433 | data->uid = -1; |
| 434 | else |
| 435 | data->uid = pwd->pw_uid; |
| 436 | if((data->auth = initauth(argv[1], buf)) == NULL) |
| 437 | { |
| 438 | if(errno == ENOENT) |
| 439 | sq(sk, 0, L"508", L"No such authentication mechanism", NULL); |
| 440 | else |
| 441 | sq(sk, 0, L"505", L"Could not initialize authentication system", L"%s", strerror(errno), NULL); |
| 442 | free(buf); |
| 443 | logout(data); |
| 444 | return; |
| 445 | } |
| 446 | free(buf); |
| 447 | switch(authenticate(data->auth, sk, NULL)) |
| 448 | { |
| 449 | case AUTH_SUCCESS: |
| 450 | data->userinfo = finduser(data->username); |
| 451 | if(data->userinfo == NULL) |
| 452 | data->userinfo = finduser(L"default"); |
| 453 | if(data->uid == -1) |
| 454 | { |
| 455 | sq(sk, 0, L"506", L"Authentication error", NULL); |
| 456 | flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen)); |
| 457 | logout(data); |
| 458 | } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) { |
| 459 | sq(sk, 0, L"506", L"Authentication error", NULL); |
| 460 | flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen)); |
| 461 | logout(data); |
| 462 | } else { |
| 463 | sq(sk, 0, L"200", L"Welcome", NULL); |
| 464 | flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen)); |
| 465 | } |
| 466 | break; |
| 467 | case AUTH_DENIED: |
| 468 | sq(sk, 0, L"506", L"Authentication error", L"%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL); |
| 469 | flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen)); |
| 470 | logout(data); |
| 471 | break; |
| 472 | case AUTH_PASS: |
| 473 | switch(data->auth->prompt) |
| 474 | { |
| 475 | case AUTH_PR_AUTO: |
| 476 | code = 300; |
| 477 | break; |
| 478 | case AUTH_PR_NOECHO: |
| 479 | code = 301; |
| 480 | break; |
| 481 | case AUTH_PR_ECHO: |
| 482 | code = 302; |
| 483 | break; |
| 484 | case AUTH_PR_INFO: |
| 485 | code = 303; |
| 486 | break; |
| 487 | case AUTH_PR_ERROR: |
| 488 | code = 304; |
| 489 | break; |
| 490 | } |
| 491 | sq(sk, 0, L"%i", code, data->auth->text, NULL); |
| 492 | break; |
| 493 | case AUTH_ERR: |
| 494 | sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL); |
| 495 | logout(data); |
| 496 | break; |
| 497 | default: |
| 498 | flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login"); |
| 499 | sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL); |
| 500 | logout(data); |
| 501 | break; |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 506 | { |
| 507 | char *buf; |
| 508 | int code; |
| 509 | |
| 510 | haveargs(2); |
| 511 | if((buf = icwcstombs(argv[1], NULL)) == NULL) |
| 512 | { |
| 513 | sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL); |
| 514 | return; |
| 515 | } |
| 516 | if((data->auth == NULL) || (data->userinfo != NULL)) |
| 517 | { |
| 518 | sq(sk, 0, L"507", L"Data not expected", NULL); |
| 519 | return; |
| 520 | } |
| 521 | switch(authenticate(data->auth, sk, buf)) |
| 522 | { |
| 523 | case AUTH_SUCCESS: |
| 524 | data->userinfo = finduser(data->username); |
| 525 | if(data->userinfo == NULL) |
| 526 | data->userinfo = finduser(L"default"); |
| 527 | if(data->uid == -1) |
| 528 | { |
| 529 | sq(sk, 0, L"506", L"Authentication error", NULL); |
| 530 | flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen)); |
| 531 | logout(data); |
| 532 | } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) { |
| 533 | sq(sk, 0, L"506", L"Authentication error", NULL); |
| 534 | flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen)); |
| 535 | logout(data); |
| 536 | } else { |
| 537 | sq(sk, 0, L"200", L"Welcome", NULL); |
| 538 | flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen)); |
| 539 | } |
| 540 | break; |
| 541 | case AUTH_DENIED: |
| 542 | sq(sk, 0, L"506", L"Authentication error", L"%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL); |
| 543 | flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen)); |
| 544 | logout(data); |
| 545 | break; |
| 546 | case AUTH_PASS: |
| 547 | switch(data->auth->prompt) |
| 548 | { |
| 549 | case AUTH_PR_AUTO: |
| 550 | code = 300; |
| 551 | break; |
| 552 | case AUTH_PR_NOECHO: |
| 553 | code = 301; |
| 554 | break; |
| 555 | case AUTH_PR_ECHO: |
| 556 | code = 302; |
| 557 | break; |
| 558 | case AUTH_PR_INFO: |
| 559 | code = 303; |
| 560 | break; |
| 561 | case AUTH_PR_ERROR: |
| 562 | code = 304; |
| 563 | break; |
| 564 | } |
| 565 | sq(sk, 0, L"%i", code, data->auth->text, NULL); |
| 566 | break; |
| 567 | case AUTH_ERR: |
| 568 | sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL); |
| 569 | logout(data); |
| 570 | break; |
| 571 | default: |
| 572 | flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass"); |
| 573 | sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL); |
| 574 | logout(data); |
| 575 | break; |
| 576 | } |
| 577 | free(buf); |
| 578 | } |
| 579 | |
| 580 | static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 581 | { |
| 582 | int i; |
| 583 | char *buf; |
| 584 | int err; |
| 585 | struct fnetnode *fn; |
| 586 | struct wcspair *args; |
| 587 | |
| 588 | haveargs(3); |
| 589 | havepriv(PERM_FNETCTL); |
| 590 | for(i = 0, fn = fnetnodes; fn != NULL; i++, fn = fn->next); |
| 591 | if((confgetint("fnet", "maxnodes") > 0) && (i >= confgetint("fnet", "maxnodes"))) { |
| 592 | sq(sk, 0, L"515", L"Too many fnetnodes connected already", NULL); |
| 593 | return; |
| 594 | } |
| 595 | if((buf = icwcstombs(argv[2], NULL)) == NULL) |
| 596 | { |
| 597 | sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL); |
| 598 | return; |
| 599 | } |
| 600 | args = NULL; |
| 601 | for(i = 3; i < argc - 1; i += 2) |
| 602 | newwcspair(argv[i], argv[i + 1], &args); |
| 603 | fn = fnetinitconnect(argv[1], data->userinfo->name, buf, args); |
| 604 | err = errno; |
| 605 | free(buf); |
| 606 | if(fn == NULL) |
| 607 | { |
| 608 | if(errno == EPROTONOSUPPORT) |
| 609 | sq(sk, 0, L"511", L"No such network name", NULL); |
| 610 | else |
| 611 | sq(sk, 0, L"509", L"Could not parse the address", L"%s", strerror(err), NULL); |
| 612 | return; |
| 613 | } |
| 614 | linkfnetnode(fn); |
| 615 | fnetsetname(fn, argv[2]); |
| 616 | sq(sk, 0, L"200", L"%i", fn->id, L"Connection under way", NULL); |
| 617 | putfnetnode(fn); |
| 618 | } |
| 619 | |
| 620 | static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 621 | { |
| 622 | struct fnetnode *fn; |
| 623 | |
| 624 | if(fnetnodes == NULL) |
| 625 | { |
| 626 | sq(sk, 0, L"201", L"No connected nodes", NULL); |
| 627 | return; |
| 628 | } |
| 629 | for(fn = fnetnodes; fn != NULL; fn = fn->next) |
| 630 | { |
| 631 | sq(sk, (fn->next != NULL)?1:0, L"200", L"%i", fn->id, fn->fnet->name, (fn->name == NULL)?L"":fn->name, L"%i", fn->numpeers, L"%i", fn->state, L"%ls", fn->pubid, NULL); |
| 632 | } |
| 633 | } |
| 634 | |
| 635 | static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 636 | { |
| 637 | struct fnetnode *fn; |
| 638 | int i; |
| 639 | |
| 640 | haveargs(2); |
| 641 | havepriv(PERM_FNETCTL); |
| 642 | /* Note - Programmatical user interfaces must only give one |
| 643 | * argument per command, the multiple argument form is only for |
| 644 | * convenience when manually controlling the daemon via |
| 645 | * eg. telnet. The reason is that the return codes aren't clear |
| 646 | * enough for the multiple argument form. */ |
| 647 | for(i = 1; i < argc; i++) |
| 648 | { |
| 649 | if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL) |
| 650 | { |
| 651 | sq(sk, 0, L"510", L"No such node", NULL); |
| 652 | return; |
| 653 | } |
| 654 | if(wpfind(fn->args, L"locked") && !((data->userinfo->perms & PERM_ADMIN) || !wcscmp(data->userinfo->name, fn->owner))) |
| 655 | { |
| 656 | sq(sk, 0, L"502", L"This node is locked and you are neither administrator nor its owner", NULL); |
| 657 | return; |
| 658 | } |
| 659 | killfnetnode(fn); |
| 660 | unlinkfnetnode(fn); |
| 661 | } |
| 662 | sq(sk, 0, L"200", L"Node flagged for disconnection", NULL); |
| 663 | } |
| 664 | |
| 665 | static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 666 | { |
| 667 | struct fnetnode *fn; |
| 668 | struct fnetpeerdatum *datum; |
| 669 | |
| 670 | haveargs(2); |
| 671 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
| 672 | { |
| 673 | sq(sk, 0, L"510", L"No such node", NULL); |
| 674 | return; |
| 675 | } |
| 676 | if(fn->peerdata == NULL) |
| 677 | { |
| 678 | sq(sk, 0, L"201", L"No data available", NULL); |
| 679 | } else { |
| 680 | for(datum = fn->peerdata; datum != NULL; datum = datum->next) |
| 681 | sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%i", datum->datatype, NULL); |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 686 | { |
| 687 | int i; |
| 688 | struct fnetnode *fn; |
| 689 | struct fnetpeer *peer; |
| 690 | |
| 691 | haveargs(2); |
| 692 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
| 693 | { |
| 694 | sq(sk, 0, L"510", L"No such node", NULL); |
| 695 | return; |
| 696 | } |
| 697 | if(fn->peers == NULL) |
| 698 | { |
| 699 | sq(sk, 0, L"201", L"No peers avaiable", NULL); |
| 700 | } else { |
| 701 | for(peer = fn->peers; peer != NULL; peer = peer->next) |
| 702 | { |
| 703 | sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", L"%ls", peer->id, L"%ls", peer->nick, NULL); |
| 704 | for(i = 0; i < peer->dinum; i++) |
| 705 | { |
| 706 | if(peer->peerdi[i].datum->datatype == FNPD_INT) |
| 707 | sq(sk, 2, peer->peerdi[i].datum->id, L"%i", peer->peerdi[i].data.num, NULL); |
| 708 | if(peer->peerdi[i].datum->datatype == FNPD_LL) |
| 709 | sq(sk, 2, peer->peerdi[i].datum->id, L"%ll", peer->peerdi[i].data.lnum, NULL); |
| 710 | if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL)) |
| 711 | sq(sk, 2, peer->peerdi[i].datum->id, L"%ls", peer->peerdi[i].data.str, NULL); |
| 712 | } |
| 713 | sq(sk, 0, NULL); |
| 714 | } |
| 715 | } |
| 716 | } |
| 717 | |
| 718 | static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 719 | { |
| 720 | int i; |
| 721 | struct fnet *net; |
| 722 | struct fnetnode *fn; |
| 723 | struct transfer *transfer; |
| 724 | struct fnetpeer *peer; |
| 725 | |
| 726 | haveargs(4); |
| 727 | if((argc > 5) && ((argc % 2) == 0)) |
| 728 | { |
| 729 | sq(sk, 0, L"501", L"Must have an even number of arguments", NULL); |
| 730 | return; |
| 731 | } |
| 732 | havepriv(PERM_TRANS); |
| 733 | if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9')) |
| 734 | { |
| 735 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
| 736 | { |
| 737 | sq(sk, 0, L"510", L"No such node", NULL); |
| 738 | return; |
| 739 | } |
| 740 | net = fn->fnet; |
| 741 | } else { |
| 742 | fn = NULL; |
| 743 | if((net = findfnet(argv[1])) == NULL) |
| 744 | { |
| 745 | sq(sk, 0, L"511", L"No such network name", NULL); |
| 746 | return; |
| 747 | } |
| 748 | } |
| 749 | transfer = newtransfer(); |
| 750 | authgethandle(transfer->auth = data->auth); |
| 751 | transfer->fnet = net; |
| 752 | transfer->peerid = swcsdup(argv[2]); |
| 753 | transfer->path = swcsdup(argv[3]); |
| 754 | transfer->dir = TRNSD_DOWN; |
| 755 | transfer->owner = data->uid; |
| 756 | if(fn != NULL) |
| 757 | { |
| 758 | transfer->fn = fn; |
| 759 | getfnetnode(fn); |
| 760 | linktransfer(transfer); |
| 761 | if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL)) |
| 762 | transfersetnick(transfer, peer->nick); |
| 763 | } else { |
| 764 | linktransfer(transfer); |
| 765 | } |
| 766 | if(argc > 4) |
| 767 | transfersetsize(transfer, wcstol(argv[4], NULL, 0)); |
| 768 | if(argc > 5) |
| 769 | { |
| 770 | for(i = 5; i < argc; i += 2) |
| 771 | { |
| 772 | if(!wcscmp(argv[i], L"hash")) |
| 773 | { |
| 774 | transfersethash(transfer, parsehash(argv[i + 1])); |
| 775 | } else { |
| 776 | newwcspair(argv[i], argv[i + 1], &transfer->args); |
| 777 | } |
| 778 | } |
| 779 | } |
| 780 | sq(sk, 0, L"200", L"%i", transfer->id, L"Download queued", NULL); |
| 781 | transfersetactivity(transfer, L"create"); |
| 782 | } |
| 783 | |
| 784 | static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 785 | { |
| 786 | struct transfer *transfer, *pt; |
| 787 | |
| 788 | havepriv(PERM_TRANS); |
| 789 | pt = NULL; |
| 790 | for(transfer = transfers; transfer != NULL; transfer = transfer->next) |
| 791 | { |
| 792 | if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid)) |
| 793 | { |
| 794 | if(pt != NULL) |
| 795 | sq(sk, 1, L"200", L"%i", pt->id, L"%i", pt->dir, |
| 796 | L"%i", pt->state, pt->peerid, |
| 797 | (pt->peernick == NULL)?L"":(pt->peernick), |
| 798 | (pt->path == NULL)?L"":(pt->path), |
| 799 | L"%i", pt->size, L"%i", pt->curpos, |
| 800 | (pt->hash == NULL)?L"":unparsehash(pt->hash), |
| 801 | NULL); |
| 802 | pt = transfer; |
| 803 | } |
| 804 | } |
| 805 | if(pt == NULL) |
| 806 | sq(sk, 0, L"201", L"No transfers", NULL); |
| 807 | else |
| 808 | sq(sk, 0, L"200", L"%i", pt->id, L"%i", pt->dir, |
| 809 | L"%i", pt->state, pt->peerid, |
| 810 | (pt->peernick == NULL)?L"":(pt->peernick), |
| 811 | (pt->path == NULL)?L"":(pt->path), |
| 812 | L"%i", pt->size, L"%i", pt->curpos, |
| 813 | (pt->hash == NULL)?L"":unparsehash(pt->hash), |
| 814 | NULL); |
| 815 | } |
| 816 | |
| 817 | static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 818 | { |
| 819 | struct transfer *transfer; |
| 820 | |
| 821 | haveargs(2); |
| 822 | havepriv(PERM_TRANS); |
| 823 | if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL) |
| 824 | { |
| 825 | sq(sk, 0, L"512", L"No such transfer", NULL); |
| 826 | return; |
| 827 | } |
| 828 | if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU)) |
| 829 | { |
| 830 | sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL); |
| 831 | return; |
| 832 | } |
| 833 | if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid)) |
| 834 | { |
| 835 | sq(sk, 0, L"502", L"You do not own that transfer", NULL); |
| 836 | return; |
| 837 | } |
| 838 | transfer->close = 1; |
| 839 | sq(sk, 0, L"200", L"Transfer cancelled", NULL); |
| 840 | } |
| 841 | |
| 842 | static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 843 | { |
| 844 | int i, val; |
| 845 | |
| 846 | if((argc % 2) != 1) |
| 847 | { |
| 848 | sq(sk, 0, L"501", L"Must have an even number of arguments", NULL); |
| 849 | return; |
| 850 | } |
| 851 | for(i = 1; i < argc; i += 2) |
| 852 | { |
| 853 | if(!wcscasecmp(argv[i + 1], L"on")) |
| 854 | val = 1; |
| 855 | else |
| 856 | val = 0; |
| 857 | if(!wcscasecmp(argv[i], L"all")) |
| 858 | { |
| 859 | if(val) |
| 860 | data->notify.w = ~0; |
| 861 | else |
| 862 | data->notify.w = 0; |
| 863 | } else if(!wcscasecmp(argv[i], L"fn:chat")) { |
| 864 | data->notify.b.fnchat = val; |
| 865 | } else if(!wcscasecmp(argv[i], L"fn:act")) { |
| 866 | data->notify.b.fnact = val; |
| 867 | } else if(!wcscasecmp(argv[i], L"fn:peer")) { |
| 868 | data->notify.b.fnpeer = val; |
| 869 | } else if(!wcscasecmp(argv[i], L"trans:act")) { |
| 870 | data->notify.b.tract = val; |
| 871 | } else if(!wcscasecmp(argv[i], L"trans:prog")) { |
| 872 | data->notify.b.trprog = val; |
| 873 | } else if(!wcscasecmp(argv[i], L"srch:act")) { |
| 874 | data->notify.b.srch = val; |
| 875 | } else if(!wcscasecmp(argv[i], L"msg")) { |
| 876 | data->notify.b.msg = val; |
| 877 | } |
| 878 | } |
| 879 | sq(sk, 0, L"200", L"Notification alteration succeeded", NULL); |
| 880 | } |
| 881 | |
| 882 | static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 883 | { |
| 884 | struct fnetnode *fn; |
| 885 | int public; |
| 886 | |
| 887 | haveargs(5); |
| 888 | havepriv(PERM_CHAT); |
| 889 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
| 890 | { |
| 891 | sq(sk, 0, L"510", L"No such node", NULL); |
| 892 | return; |
| 893 | } |
| 894 | public = wcstol(argv[2], NULL, 0); |
| 895 | if((public != 0) && (public != 1)) |
| 896 | { |
| 897 | sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL); |
| 898 | return; |
| 899 | } |
| 900 | if(fn->state != FNN_EST) |
| 901 | { |
| 902 | sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL); |
| 903 | return; |
| 904 | } |
| 905 | if(fnetsendchat(fn, public, argv[3], argv[4])) |
| 906 | { |
| 907 | if(errno == ENOTSUP) |
| 908 | sq(sk, 0, L"513", L"This network does not support chatting", NULL); |
| 909 | else if(errno == EPERM) |
| 910 | sq(sk, 0, L"502", L"This node does not allow you to chat", NULL); |
| 911 | else if(errno == EILSEQ) |
| 912 | sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL); |
| 913 | else |
| 914 | sq(sk, 0, L"505", L"Could not chat", NULL); |
| 915 | return; |
| 916 | } |
| 917 | sq(sk, 0, L"200", L"Chat string sent", NULL); |
| 918 | } |
| 919 | |
| 920 | static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 921 | { |
| 922 | struct search *srch; |
| 923 | struct fnetnode *fn; |
| 924 | struct sexpr *sexpr; |
| 925 | int i; |
| 926 | |
| 927 | haveargs(3); |
| 928 | havepriv(PERM_SRCH); |
| 929 | srch = newsearch(data->username, NULL); |
| 930 | for(i = 1; i < argc; i++) |
| 931 | { |
| 932 | if(!wcscmp(argv[i], L"all")) |
| 933 | { |
| 934 | for(fn = fnetnodes; fn != NULL; fn = fn->next) |
| 935 | { |
| 936 | if(fn->state == FNN_EST) |
| 937 | searchaddfn(srch, fn); |
| 938 | } |
| 939 | i++; |
| 940 | break; |
| 941 | } else if(!wcscmp(argv[i], L"prio")) { |
| 942 | if(++i == argc) |
| 943 | { |
| 944 | sq(sk, 0, L"501", L"No argument to prio", NULL); |
| 945 | freesearch(srch); |
| 946 | return; |
| 947 | } |
| 948 | srch->prio = wcstol(argv[i], NULL, 0); |
| 949 | } else if(iswdigit(*argv[i])) { |
| 950 | if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL) |
| 951 | { |
| 952 | sq(sk, 0, L"510", L"No such node", NULL); |
| 953 | freesearch(srch); |
| 954 | return; |
| 955 | } |
| 956 | searchaddfn(srch, fn); |
| 957 | } else { |
| 958 | break; |
| 959 | } |
| 960 | } |
| 961 | if(srch->fnl == NULL) |
| 962 | { |
| 963 | sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL); |
| 964 | freesearch(srch); |
| 965 | return; |
| 966 | } |
| 967 | if(i == argc) |
| 968 | { |
| 969 | sq(sk, 0, L"501", L"No search expression found on line", NULL); |
| 970 | freesearch(srch); |
| 971 | return; |
| 972 | } |
| 973 | if((sexpr = parsesexpr(argc - i, argv + i)) == NULL) |
| 974 | { |
| 975 | sq(sk, 0, L"509", L"Could not parse search expression", NULL); |
| 976 | freesearch(srch); |
| 977 | return; |
| 978 | } |
| 979 | optsexpr(sexpr); |
| 980 | getsexpr(srch->sexpr = sexpr); |
| 981 | queuesearch(srch); |
| 982 | CBREG(srch, search_eta, srcheta, NULL, NULL); |
| 983 | CBREG(srch, search_commit, srchcommit, NULL, NULL); |
| 984 | CBREG(srch, search_result, srchres, NULL, NULL); |
| 985 | sq(sk, 0, L"200", L"%i", srch->id, L"%i", srch->eta - time(NULL), NULL); |
| 986 | putsexpr(sexpr); |
| 987 | } |
| 988 | |
| 989 | static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 990 | { |
| 991 | struct search *srch, *pt; |
| 992 | time_t now; |
| 993 | |
| 994 | havepriv(PERM_SRCH); |
| 995 | pt = NULL; |
| 996 | now = time(NULL); |
| 997 | for(srch = searches; srch != NULL; srch = srch->next) |
| 998 | { |
| 999 | if(!wcscmp(srch->owner, data->username)) |
| 1000 | { |
| 1001 | if(pt != NULL) |
| 1002 | sq(sk, 1, L"200", L"%i", pt->id, L"%i", pt->state, L"%i", pt->eta - now, L"%i", pt->numres, NULL); |
| 1003 | pt = srch; |
| 1004 | } |
| 1005 | } |
| 1006 | if(pt == NULL) |
| 1007 | sq(sk, 0, L"201", L"No searches", NULL); |
| 1008 | else |
| 1009 | sq(sk, 0, L"200", L"%i", pt->id, L"%i", pt->state, L"%i", pt->eta - now, L"%i", pt->numres, NULL); |
| 1010 | } |
| 1011 | |
| 1012 | static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 1013 | { |
| 1014 | struct search *srch; |
| 1015 | struct srchres *sr; |
| 1016 | |
| 1017 | haveargs(2); |
| 1018 | havepriv(PERM_SRCH); |
| 1019 | if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL) |
| 1020 | { |
| 1021 | sq(sk, 0, L"514", L"No such search", NULL); |
| 1022 | return; |
| 1023 | } |
| 1024 | if(srch->results == NULL) |
| 1025 | { |
| 1026 | sq(sk, 0, L"201", L"No results", NULL); |
| 1027 | } else { |
| 1028 | for(sr = srch->results; sr != NULL; sr = sr->next) |
| 1029 | { |
| 1030 | sq(sk, (sr->next != NULL)?1:0, L"200", L"%ls", sr->filename, |
| 1031 | sr->fnet->name, L"%ls", sr->peerid, L"%i", sr->size, |
| 1032 | L"%i", sr->slots, L"%i", (sr->fn == NULL)?-1:(sr->fn->id), |
| 1033 | L"%f", sr->time, |
| 1034 | L"%ls", (sr->hash == NULL)?L"":unparsehash(sr->hash), NULL); |
| 1035 | } |
| 1036 | } |
| 1037 | } |
| 1038 | |
| 1039 | static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 1040 | { |
| 1041 | struct search *srch; |
| 1042 | int i; |
| 1043 | |
| 1044 | haveargs(2); |
| 1045 | havepriv(PERM_SRCH); |
| 1046 | /* Note - Programmatical user interfaces must only give one |
| 1047 | * argument per command, the multiple argument form is only for |
| 1048 | * convenience when manually controlling the daemon via |
| 1049 | * eg. telnet. The reason is that the return codes aren't clear |
| 1050 | * enough for the multiple argument form. */ |
| 1051 | for(i = 1; i < argc; i++) |
| 1052 | { |
| 1053 | if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL) |
| 1054 | { |
| 1055 | sq(sk, 0, L"514", L"No such search", NULL); |
| 1056 | return; |
| 1057 | } |
| 1058 | freesearch(srch); |
| 1059 | } |
| 1060 | sq(sk, 0, L"200", L"Search cancelled", NULL); |
| 1061 | } |
| 1062 | |
| 1063 | static void fcmdread(struct socket *sk, struct uidata *data) |
| 1064 | { |
| 1065 | char *buf; |
| 1066 | size_t bufsize; |
| 1067 | |
| 1068 | if((buf = sockgetinbuf(sk, &bufsize)) == NULL) |
| 1069 | return; |
| 1070 | bufcat(data->fcmdbuf, buf, bufsize); |
| 1071 | free(buf); |
| 1072 | } |
| 1073 | |
| 1074 | static void fcmderr(struct socket *sk, int err, struct uidata *data) |
| 1075 | { |
| 1076 | wchar_t *wbuf, *p, *p2; |
| 1077 | |
| 1078 | if(err) |
| 1079 | { |
| 1080 | flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err)); |
| 1081 | kill(-data->fcmdpid, SIGHUP); |
| 1082 | putsock(data->fcmdsk); |
| 1083 | data->fcmdsk = NULL; |
| 1084 | if(data->fcmdbuf != NULL) |
| 1085 | { |
| 1086 | free(data->fcmdbuf); |
| 1087 | data->fcmdbuf = NULL; |
| 1088 | } |
| 1089 | data->fcmdbufsize = data->fcmdbufdata = 0; |
| 1090 | sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%s", strerror(err), NULL); |
| 1091 | return; |
| 1092 | } |
| 1093 | putsock(data->fcmdsk); |
| 1094 | data->fcmdsk = NULL; |
| 1095 | data->fcmdpid = 0; |
| 1096 | if(data->fcmdbuf == NULL) |
| 1097 | { |
| 1098 | wbuf = swcsdup(L""); |
| 1099 | } else { |
| 1100 | addtobuf(data->fcmdbuf, 0); |
| 1101 | wbuf = icmbstowcs(data->fcmdbuf, NULL); |
| 1102 | free(data->fcmdbuf); |
| 1103 | } |
| 1104 | data->fcmdbuf = NULL; |
| 1105 | data->fcmdbufsize = data->fcmdbufdata = 0; |
| 1106 | if(wbuf == NULL) |
| 1107 | { |
| 1108 | sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL); |
| 1109 | return; |
| 1110 | } |
| 1111 | p = wbuf; |
| 1112 | for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n')) |
| 1113 | { |
| 1114 | *(p2++) = L'\0'; |
| 1115 | sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%ls", p, NULL); |
| 1116 | p = p2; |
| 1117 | } |
| 1118 | if(*p == L'\0') |
| 1119 | { |
| 1120 | if(p == wbuf) |
| 1121 | sq(data->sk, 0, L"201", L"No data returned", NULL); |
| 1122 | } else { |
| 1123 | sq(data->sk, 0, L"200", L"%ls", p, NULL); |
| 1124 | } |
| 1125 | free(wbuf); |
| 1126 | } |
| 1127 | |
| 1128 | static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 1129 | { |
| 1130 | int i; |
| 1131 | pid_t pid; |
| 1132 | int pipe; |
| 1133 | char **cargv, **pp; |
| 1134 | char *filtercmd, *argbuf; |
| 1135 | size_t cargvsize, cargvdata; |
| 1136 | struct passwd *pwent; |
| 1137 | |
| 1138 | haveargs(2); |
| 1139 | havepriv(PERM_TRANS); |
| 1140 | if((pwent = getpwuid(data->uid)) == NULL) |
| 1141 | { |
| 1142 | flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid); |
| 1143 | sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL); |
| 1144 | return; |
| 1145 | } |
| 1146 | filtercmd = findfile("dc-filtercmd", pwent->pw_dir, 0); |
| 1147 | if(filtercmd == NULL) |
| 1148 | filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), NULL, 0); |
| 1149 | if(filtercmd == NULL) |
| 1150 | { |
| 1151 | flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name); |
| 1152 | sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL); |
| 1153 | return; |
| 1154 | } |
| 1155 | cargv = NULL; |
| 1156 | cargvsize = cargvdata = 0; |
| 1157 | addtobuf(cargv, filtercmd); |
| 1158 | for(i = 1; i < argc; i++) |
| 1159 | { |
| 1160 | if((argbuf = icwcstombs(argv[i], NULL)) == NULL) |
| 1161 | { |
| 1162 | for(i = 0; i < cargvdata; i++) |
| 1163 | free(cargv[i]); |
| 1164 | free(cargv); |
| 1165 | sq(sk, 0, L"504", L"Could not convert argument into local character set", L"%i", i, L"%s", strerror(errno), NULL); |
| 1166 | return; |
| 1167 | } |
| 1168 | addtobuf(cargv, argbuf); |
| 1169 | } |
| 1170 | addtobuf(cargv, NULL); |
| 1171 | if((pid = forksess(data->uid, data->auth, NULL, NULL, FD_FILE, 0, O_RDWR, "/dev/null", FD_PIPE, 1, O_RDONLY, &pipe, FD_FILE, 2, O_RDWR, "/dev/null", FD_END)) < 0) |
| 1172 | { |
| 1173 | flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno)); |
| 1174 | sq(sk, 0, L"505", L"System error - Could not fork session", L"%s", strerror(errno), NULL); |
| 1175 | return; |
| 1176 | } |
| 1177 | if(pid == 0) |
| 1178 | { |
| 1179 | execv(filtercmd, cargv); |
| 1180 | flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno)); |
| 1181 | exit(127); |
| 1182 | } |
| 1183 | for(pp = cargv; *pp; pp++) |
| 1184 | free(*pp); |
| 1185 | free(cargv); |
| 1186 | data->fcmdsk = wrapsock(pipe); |
| 1187 | data->fcmdpid = pid; |
| 1188 | if(data->fcmdbuf != NULL) |
| 1189 | { |
| 1190 | free(data->fcmdbuf); |
| 1191 | data->fcmdbuf = NULL; |
| 1192 | } |
| 1193 | data->fcmdbufsize = data->fcmdbufdata = 0; |
| 1194 | data->fcmdsk->data = data; |
| 1195 | data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread; |
| 1196 | data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr; |
| 1197 | } |
| 1198 | |
| 1199 | static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 1200 | { |
| 1201 | struct transfer *transfer; |
| 1202 | struct wcspair *ta; |
| 1203 | |
| 1204 | haveargs(2); |
| 1205 | havepriv(PERM_TRANS); |
| 1206 | if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL) |
| 1207 | { |
| 1208 | sq(sk, 0, L"512", L"No such transfer", NULL); |
| 1209 | return; |
| 1210 | } |
| 1211 | if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid)) |
| 1212 | { |
| 1213 | sq(sk, 0, L"502", L"You do not own that transfer", NULL); |
| 1214 | return; |
| 1215 | } |
| 1216 | if(transfer->args == NULL) |
| 1217 | { |
| 1218 | sq(sk, 0, L"201", L"Transfer has no arguments", NULL); |
| 1219 | } else { |
| 1220 | for(ta = transfer->args; ta != NULL; ta = ta->next) |
| 1221 | sq(sk, ta->next != NULL, L"200", L"%ls", ta->key, L"%ls", ta->val, NULL); |
| 1222 | } |
| 1223 | } |
| 1224 | |
| 1225 | static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 1226 | { |
| 1227 | struct sharecache *node; |
| 1228 | int total, hashed; |
| 1229 | |
| 1230 | total = hashed = 0; |
| 1231 | for(node = shareroot->child; node != NULL; node = nextscnode(node)) |
| 1232 | { |
| 1233 | if(node->f.b.type == FILE_REG) |
| 1234 | { |
| 1235 | total++; |
| 1236 | if(node->f.b.hastth) |
| 1237 | hashed++; |
| 1238 | } |
| 1239 | } |
| 1240 | sq(sk, 0, L"200", L"%i", total, L"tth", L"%i", hashed, NULL); |
| 1241 | } |
| 1242 | |
| 1243 | static void cmd_transstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 1244 | { |
| 1245 | havepriv(PERM_TRANS); |
| 1246 | sq(sk, 0, L"200", L"down", L"%ll", bytesdownload, L"up", L"%ll", bytesupload, NULL); |
| 1247 | } |
| 1248 | |
| 1249 | static void cmd_register(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 1250 | { |
| 1251 | struct uidata *d2; |
| 1252 | |
| 1253 | haveargs(2); |
| 1254 | if(data->userinfo == NULL) { |
| 1255 | sq(sk, 0, L"502", L"Must be logged in", NULL); |
| 1256 | return; |
| 1257 | } |
| 1258 | if(argv[1][0] == L'#') { |
| 1259 | sq(sk, 0, L"509", L"Name must not begin with a hash sign", NULL); |
| 1260 | return; |
| 1261 | } |
| 1262 | for(d2 = actives; d2 != NULL; d2 = d2->next) { |
| 1263 | if((d2 != data) && (d2->userinfo == data->userinfo) && d2->regname && !wcscmp(d2->regname, argv[1])) { |
| 1264 | sq(sk, 0, L"516", L"Name already in use", NULL); |
| 1265 | return; |
| 1266 | } |
| 1267 | } |
| 1268 | if(data->regname != NULL) |
| 1269 | free(data->regname); |
| 1270 | data->regname = swcsdup(argv[1]); |
| 1271 | sq(sk, 0, L"200", L"Registered", NULL); |
| 1272 | } |
| 1273 | |
| 1274 | static void cmd_sendmsg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 1275 | { |
| 1276 | int i, rcptid; |
| 1277 | struct uidata *rcpt; |
| 1278 | wchar_t *myname; |
| 1279 | struct notif *notif; |
| 1280 | |
| 1281 | haveargs(2); |
| 1282 | if(data->userinfo == NULL) { |
| 1283 | sq(sk, 0, L"502", L"Must be logged in", NULL); |
| 1284 | return; |
| 1285 | } |
| 1286 | if(argv[1][0] == L'#') { |
| 1287 | rcptid = wcstol(argv[1] + 1, NULL, 0); |
| 1288 | for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) { |
| 1289 | if((rcpt->userinfo == data->userinfo) && (rcpt->id == rcptid)) |
| 1290 | break; |
| 1291 | } |
| 1292 | } else { |
| 1293 | for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) { |
| 1294 | if((rcpt->userinfo == data->userinfo) && rcpt->regname && !wcscmp(rcpt->regname, argv[1])) |
| 1295 | break; |
| 1296 | } |
| 1297 | } |
| 1298 | if(rcpt == NULL) { |
| 1299 | sq(sk, 0, L"517", L"No such recipient", NULL); |
| 1300 | return; |
| 1301 | } |
| 1302 | if(!rcpt->notify.b.msg) { |
| 1303 | sq(sk, 0, L"518", L"Recipient not listening for messages", NULL); |
| 1304 | return; |
| 1305 | } |
| 1306 | if(data->regname != NULL) |
| 1307 | myname = swcsdup(data->regname); |
| 1308 | else |
| 1309 | myname = swprintf2(L"#%i", data->id); |
| 1310 | notif = newnotif(rcpt, 640, NOTIF_STR, myname, NOTIF_END); |
| 1311 | for(i = 2; i < argc; i++) |
| 1312 | notifappend(notif, NOTIF_STR, argv[i], NOTIF_END); |
| 1313 | sq(sk, 0, L"200", L"Message sent", NULL); |
| 1314 | } |
| 1315 | |
| 1316 | static void cmd_uptime(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 1317 | { |
| 1318 | sq(sk, 0, L"200", L"%i", time(NULL) - starttime, NULL); |
| 1319 | } |
| 1320 | |
| 1321 | #undef haveargs |
| 1322 | #undef havepriv |
| 1323 | |
| 1324 | /* |
| 1325 | * Reserved command numbers for nameless commands: |
| 1326 | * 0: Issued when a client has connected |
| 1327 | * 1: Issued when a named command couldn't be found |
| 1328 | */ |
| 1329 | |
| 1330 | static struct command commands[] = |
| 1331 | { |
| 1332 | {NULL, cmd_connect}, |
| 1333 | {NULL, cmd_notfound}, |
| 1334 | {L"shutdown", cmd_shutdown}, |
| 1335 | {L"quit", cmd_quit}, |
| 1336 | {L"lsauth", cmd_lsauth}, |
| 1337 | {L"login", cmd_login}, |
| 1338 | {L"pass", cmd_pass}, |
| 1339 | {L"cnct", cmd_fnetconnect}, |
| 1340 | {L"lsnodes", cmd_lsnodes}, |
| 1341 | {L"dcnct", cmd_disconnect}, |
| 1342 | {L"lspa", cmd_lspa}, |
| 1343 | {L"lspeers", cmd_lspeers}, |
| 1344 | {L"download", cmd_download}, |
| 1345 | {L"lstrans", cmd_lstrans}, |
| 1346 | {L"cancel", cmd_cancel}, |
| 1347 | {L"notify", cmd_notify}, |
| 1348 | {L"sendchat", cmd_sendchat}, |
| 1349 | {L"search", cmd_search}, |
| 1350 | {L"lssrch", cmd_lssrch}, |
| 1351 | {L"lssr", cmd_lssr}, |
| 1352 | {L"cansrch", cmd_cansrch}, |
| 1353 | {L"filtercmd", cmd_filtercmd}, |
| 1354 | {L"lstrarg", cmd_lstrarg}, |
| 1355 | {L"hashstatus", cmd_hashstatus}, |
| 1356 | {L"transstatus", cmd_transstatus}, |
| 1357 | {L"register", cmd_register}, |
| 1358 | {L"sendmsg", cmd_sendmsg}, |
| 1359 | {L"uptime", cmd_uptime}, |
| 1360 | {NULL, NULL} |
| 1361 | }; |
| 1362 | |
| 1363 | static void freequeuecmd(struct qcommand *qcmd) |
| 1364 | { |
| 1365 | int i; |
| 1366 | |
| 1367 | if(qcmd->argv != NULL) |
| 1368 | { |
| 1369 | for(i = 0; i < qcmd->argc; i++) |
| 1370 | free(qcmd->argv[i]); |
| 1371 | free(qcmd->argv); |
| 1372 | } |
| 1373 | free(qcmd); |
| 1374 | } |
| 1375 | |
| 1376 | static struct qcommand *unlinkqcmd(struct uidata *data) |
| 1377 | { |
| 1378 | struct qcommand *qcmd; |
| 1379 | |
| 1380 | qcmd = data->queue; |
| 1381 | if(qcmd != NULL) |
| 1382 | { |
| 1383 | data->queue = qcmd->next; |
| 1384 | if(qcmd == data->queuelast) |
| 1385 | data->queuelast = qcmd->next; |
| 1386 | } |
| 1387 | return(qcmd); |
| 1388 | } |
| 1389 | |
| 1390 | static void notifappendv(struct notif *notif, va_list args) |
| 1391 | { |
| 1392 | int dt, ca; |
| 1393 | |
| 1394 | while((dt = va_arg(args, int)) != NOTIF_END) |
| 1395 | { |
| 1396 | ca = notif->argc; |
| 1397 | notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc); |
| 1398 | notif->argv[ca].dt = dt; |
| 1399 | switch(dt) |
| 1400 | { |
| 1401 | case NOTIF_INT: |
| 1402 | case NOTIF_ID: |
| 1403 | notif->argv[ca].d.n = va_arg(args, int); |
| 1404 | break; |
| 1405 | case NOTIF_STR: |
| 1406 | notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *)); |
| 1407 | break; |
| 1408 | case NOTIF_FLOAT: |
| 1409 | notif->argv[ca].d.d = va_arg(args, double); |
| 1410 | break; |
| 1411 | } |
| 1412 | } |
| 1413 | } |
| 1414 | |
| 1415 | static void notifappend(struct notif *notif, ...) |
| 1416 | { |
| 1417 | va_list args; |
| 1418 | |
| 1419 | va_start(args, notif); |
| 1420 | notifappendv(notif, args); |
| 1421 | va_end(args); |
| 1422 | } |
| 1423 | |
| 1424 | static struct notif *newnotif(struct uidata *data, int code, ...) |
| 1425 | { |
| 1426 | struct notif *notif; |
| 1427 | va_list args; |
| 1428 | |
| 1429 | notif = smalloc(sizeof(*notif)); |
| 1430 | memset(notif, 0, sizeof(*notif)); |
| 1431 | notif->rlimit = 0.0; |
| 1432 | notif->ui = data; |
| 1433 | notif->code = code; |
| 1434 | va_start(args, code); |
| 1435 | notifappendv(notif, args); |
| 1436 | va_end(args); |
| 1437 | notif->next = NULL; |
| 1438 | notif->prev = data->lnotif; |
| 1439 | if(data->lnotif != NULL) |
| 1440 | data->lnotif->next = notif; |
| 1441 | else |
| 1442 | data->fnotif = notif; |
| 1443 | data->lnotif = notif; |
| 1444 | return(notif); |
| 1445 | } |
| 1446 | |
| 1447 | static void freenotif(struct notif *notif) |
| 1448 | { |
| 1449 | int i; |
| 1450 | |
| 1451 | if(notif->next != NULL) |
| 1452 | notif->next->prev = notif->prev; |
| 1453 | if(notif->prev != NULL) |
| 1454 | notif->prev->next = notif->next; |
| 1455 | if(notif == notif->ui->fnotif) |
| 1456 | notif->ui->fnotif = notif->next; |
| 1457 | if(notif == notif->ui->lnotif) |
| 1458 | notif->ui->lnotif = notif->prev; |
| 1459 | if(notif->exptimer != NULL) |
| 1460 | canceltimer(notif->exptimer); |
| 1461 | for(i = 0; i < notif->argc; i++) |
| 1462 | { |
| 1463 | if(notif->argv[i].dt == NOTIF_STR) |
| 1464 | free(notif->argv[i].d.s); |
| 1465 | } |
| 1466 | if(notif->argv != NULL) |
| 1467 | free(notif->argv); |
| 1468 | free(notif); |
| 1469 | } |
| 1470 | |
| 1471 | static void notifexpire(int cancelled, struct notif *notif) |
| 1472 | { |
| 1473 | notif->exptimer = NULL; |
| 1474 | if(!cancelled) |
| 1475 | freenotif(notif); |
| 1476 | } |
| 1477 | |
| 1478 | static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id) |
| 1479 | { |
| 1480 | int i, cont; |
| 1481 | |
| 1482 | for(; notif != NULL; notif = (dir?notif->next:notif->prev)) |
| 1483 | { |
| 1484 | if((notif->code == code) && ((state < 0) || (state == notif->state))) |
| 1485 | { |
| 1486 | cont = 0; |
| 1487 | if(id >= 0) |
| 1488 | { |
| 1489 | for(i = 0; i < notif->argc; i++) |
| 1490 | { |
| 1491 | if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id)) |
| 1492 | { |
| 1493 | cont = 1; |
| 1494 | break; |
| 1495 | } |
| 1496 | } |
| 1497 | } |
| 1498 | if(cont) |
| 1499 | continue; |
| 1500 | break; |
| 1501 | } |
| 1502 | } |
| 1503 | return(notif); |
| 1504 | } |
| 1505 | |
| 1506 | static void freeuidata(struct uidata *data) |
| 1507 | { |
| 1508 | int i; |
| 1509 | struct qcommand *qcmd; |
| 1510 | |
| 1511 | if(data->next != NULL) |
| 1512 | data->next->prev = data->prev; |
| 1513 | if(data->prev != NULL) |
| 1514 | data->prev->next = data->next; |
| 1515 | if(data == actives) |
| 1516 | actives = data->next; |
| 1517 | data->sk->readcb = NULL; |
| 1518 | data->sk->errcb = NULL; |
| 1519 | putsock(data->sk); |
| 1520 | while((qcmd = unlinkqcmd(data)) != NULL) |
| 1521 | freequeuecmd(qcmd); |
| 1522 | iconv_close(data->ichandle); |
| 1523 | if(data->cw != NULL) |
| 1524 | free(data->cw); |
| 1525 | if(data->cb != NULL) |
| 1526 | free(data->cb); |
| 1527 | if(data->argv != NULL) |
| 1528 | { |
| 1529 | for(i = 0; i < data->argc; i++) |
| 1530 | free(data->argv[i]); |
| 1531 | free(data->argv); |
| 1532 | } |
| 1533 | if(data->auth != NULL) |
| 1534 | authputhandle(data->auth); |
| 1535 | if(data->regname != NULL) |
| 1536 | free(data->regname); |
| 1537 | if(data->username != NULL) |
| 1538 | { |
| 1539 | if(data->userinfo != NULL) |
| 1540 | flog(LOG_INFO, "%ls logged out", data->username); |
| 1541 | free(data->username); |
| 1542 | } |
| 1543 | free(data->inbuf); |
| 1544 | while(data->fnotif != NULL) |
| 1545 | freenotif(data->fnotif); |
| 1546 | if(data->fcmdbuf != NULL) |
| 1547 | free(data->fcmdbuf); |
| 1548 | if(data->fcmdpid != 0) |
| 1549 | kill(-data->fcmdpid, SIGHUP); |
| 1550 | if(data->fcmdsk != NULL) |
| 1551 | putsock(data->fcmdsk); |
| 1552 | free(data); |
| 1553 | } |
| 1554 | |
| 1555 | static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv) |
| 1556 | { |
| 1557 | struct qcommand *new; |
| 1558 | |
| 1559 | new = smalloc(sizeof(*new)); |
| 1560 | new->cmd = cmd; |
| 1561 | new->argc = argc; |
| 1562 | new->argv = argv; |
| 1563 | new->next = NULL; |
| 1564 | if(data->queuelast != NULL) |
| 1565 | data->queuelast->next = new; |
| 1566 | data->queuelast = new; |
| 1567 | if(data->queue == NULL) |
| 1568 | data->queue = new; |
| 1569 | } |
| 1570 | |
| 1571 | static struct uidata *newuidata(struct socket *sk) |
| 1572 | { |
| 1573 | struct uidata *data; |
| 1574 | static int curid = 0; |
| 1575 | |
| 1576 | data = smalloc(sizeof(*data)); |
| 1577 | memset(data, 0, sizeof(*data)); |
| 1578 | data->id = curid++; |
| 1579 | data->sk = sk; |
| 1580 | getsock(sk); |
| 1581 | data->inbuf = smalloc(1024); |
| 1582 | data->uid = -1; |
| 1583 | if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1) |
| 1584 | { |
| 1585 | flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno)); |
| 1586 | return(NULL); |
| 1587 | } |
| 1588 | data->next = actives; |
| 1589 | data->prev = NULL; |
| 1590 | if(actives != NULL) |
| 1591 | actives->prev = data; |
| 1592 | actives = data; |
| 1593 | return(data); |
| 1594 | } |
| 1595 | |
| 1596 | static void uiread(struct socket *sk, struct uidata *data) |
| 1597 | { |
| 1598 | int ret, done; |
| 1599 | char *newbuf; |
| 1600 | char *p1, *p2; |
| 1601 | wchar_t *porig; |
| 1602 | size_t datalen, len2; |
| 1603 | struct command *cur; |
| 1604 | |
| 1605 | if(data->indata > 1024) |
| 1606 | data->indata = 0; |
| 1607 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) |
| 1608 | return; |
| 1609 | sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1); |
| 1610 | memcpy(data->inbuf + data->indata, newbuf, datalen); |
| 1611 | free(newbuf); |
| 1612 | data->indata += datalen; |
| 1613 | if(data->cb == NULL) |
| 1614 | { |
| 1615 | data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64)); |
| 1616 | data->cbdata = 0; |
| 1617 | data->pp = data->cb; |
| 1618 | } |
| 1619 | done = 0; |
| 1620 | while(!done) |
| 1621 | { |
| 1622 | if(data->cbsize == data->cbdata) |
| 1623 | { |
| 1624 | len2 = data->pp - data->cb; |
| 1625 | data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2)); |
| 1626 | data->pp = data->cb + len2; |
| 1627 | } |
| 1628 | p1 = data->inbuf; |
| 1629 | p2 = (char *)(porig = (data->cb + data->cbdata)); |
| 1630 | len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata); |
| 1631 | ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2); |
| 1632 | memmove(data->inbuf, p1, data->indata); |
| 1633 | /* Just a sanity check */ |
| 1634 | if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0) |
| 1635 | { |
| 1636 | flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!"); |
| 1637 | abort(); |
| 1638 | } |
| 1639 | data->cbdata += (((wchar_t *)p2) - porig); |
| 1640 | if(ret < 0) |
| 1641 | { |
| 1642 | switch(errno) |
| 1643 | { |
| 1644 | case EILSEQ: |
| 1645 | /* XXX: Should this really just ignore it? */ |
| 1646 | data->indata = 0; |
| 1647 | done = 1; |
| 1648 | break; |
| 1649 | case EINVAL: |
| 1650 | done = 1; |
| 1651 | break; |
| 1652 | case E2BIG: |
| 1653 | /* Just a sanity check */ |
| 1654 | if(data->cbsize != data->cbdata) |
| 1655 | { |
| 1656 | flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!"); |
| 1657 | abort(); |
| 1658 | } |
| 1659 | break; |
| 1660 | default: |
| 1661 | flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno)); |
| 1662 | break; |
| 1663 | } |
| 1664 | } else { |
| 1665 | done = 1; |
| 1666 | } |
| 1667 | } |
| 1668 | done = 0; |
| 1669 | while(!done && (data->pp - data->cb < data->cbdata)) |
| 1670 | { |
| 1671 | switch(data->ps) |
| 1672 | { |
| 1673 | case 0: |
| 1674 | if(iswspace(*data->pp)) |
| 1675 | { |
| 1676 | if(*data->pp == L'\r') |
| 1677 | { |
| 1678 | if(data->pp == data->cb + data->cbdata - 1) |
| 1679 | { |
| 1680 | done = 1; |
| 1681 | break; |
| 1682 | } |
| 1683 | if(*(++data->pp) == L'\n') |
| 1684 | { |
| 1685 | if((data->argv != NULL) && (data->argv[0] != NULL)) |
| 1686 | { |
| 1687 | for(cur = commands; cur->handler != NULL; cur++) |
| 1688 | { |
| 1689 | if(cur->name == NULL) |
| 1690 | continue; |
| 1691 | if(!wcscasecmp(cur->name, data->argv[0])) |
| 1692 | { |
| 1693 | queuecmd(data, cur, data->argc, data->argv); |
| 1694 | break; |
| 1695 | } |
| 1696 | } |
| 1697 | if(cur->handler == NULL) |
| 1698 | queuecmd(data, &commands[1], data->argc, data->argv); |
| 1699 | } else { |
| 1700 | queuecmd(data, &commands[1], data->argc, data->argv); |
| 1701 | } |
| 1702 | data->argv = NULL; |
| 1703 | data->args = 0; |
| 1704 | data->argc = 0; |
| 1705 | wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb)); |
| 1706 | data->pp = data->cb; |
| 1707 | } else { |
| 1708 | data->pp++; |
| 1709 | } |
| 1710 | } else { |
| 1711 | data->pp++; |
| 1712 | } |
| 1713 | } else { |
| 1714 | data->ps = 1; |
| 1715 | data->cwdata = 0; |
| 1716 | } |
| 1717 | break; |
| 1718 | case 1: |
| 1719 | if(iswspace(*data->pp)) |
| 1720 | { |
| 1721 | addtobuf(data->cw, L'\0'); |
| 1722 | sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1); |
| 1723 | data->argv[data->argc++] = data->cw; |
| 1724 | data->cw = NULL; |
| 1725 | data->cwsize = 0; |
| 1726 | data->cwdata = 0; |
| 1727 | data->ps = 0; |
| 1728 | } else if(*data->pp == L'\"') { |
| 1729 | data->ps = 2; |
| 1730 | data->pp++; |
| 1731 | } else if(*data->pp == L'\\') { |
| 1732 | if(data->pp == data->cb + data->cbdata - 1) |
| 1733 | { |
| 1734 | done = 1; |
| 1735 | break; |
| 1736 | } |
| 1737 | addtobuf(data->cw, *(++data->pp)); |
| 1738 | data->pp++; |
| 1739 | } else { |
| 1740 | addtobuf(data->cw, *(data->pp++)); |
| 1741 | } |
| 1742 | break; |
| 1743 | case 2: |
| 1744 | if(*data->pp == L'\"') |
| 1745 | { |
| 1746 | data->ps = 1; |
| 1747 | } else if(*data->pp == L'\\') { |
| 1748 | if(data->pp == data->cb + data->cbdata - 1) |
| 1749 | { |
| 1750 | done = 1; |
| 1751 | break; |
| 1752 | } |
| 1753 | addtobuf(data->cw, *(++(data->pp))); |
| 1754 | } else { |
| 1755 | addtobuf(data->cw, *data->pp); |
| 1756 | } |
| 1757 | data->pp++; |
| 1758 | break; |
| 1759 | } |
| 1760 | } |
| 1761 | } |
| 1762 | |
| 1763 | static void uierror(struct socket *sk, int err, struct uidata *data) |
| 1764 | { |
| 1765 | if(err) |
| 1766 | flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err)); |
| 1767 | freeuidata(data); |
| 1768 | } |
| 1769 | |
| 1770 | static void uiaccept(struct socket *sk, struct socket *newsk, void *data) |
| 1771 | { |
| 1772 | struct uidata *uidata; |
| 1773 | |
| 1774 | newsk->data = uidata = newuidata(newsk); |
| 1775 | socksettos(newsk, confgetint("ui", "uitos")); |
| 1776 | if(uidata == NULL) |
| 1777 | return; |
| 1778 | newsk->errcb = (void (*)(struct socket *, int, void *))uierror; |
| 1779 | newsk->readcb = (void (*)(struct socket *, void *))uiread; |
| 1780 | queuecmd(uidata, &commands[0], 0, NULL); |
| 1781 | } |
| 1782 | |
| 1783 | static int srcheta(struct search *srch, void *uudata) |
| 1784 | { |
| 1785 | struct uidata *data; |
| 1786 | |
| 1787 | for(data = actives; data != NULL; data = data->next) |
| 1788 | { |
| 1789 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) |
| 1790 | newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END); |
| 1791 | } |
| 1792 | return(0); |
| 1793 | } |
| 1794 | |
| 1795 | static int srchcommit(struct search *srch, void *uudata) |
| 1796 | { |
| 1797 | struct uidata *data; |
| 1798 | |
| 1799 | for(data = actives; data != NULL; data = data->next) |
| 1800 | { |
| 1801 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) |
| 1802 | newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END); |
| 1803 | } |
| 1804 | return(0); |
| 1805 | } |
| 1806 | |
| 1807 | static int srchres(struct search *srch, struct srchres *sr, void *uudata) |
| 1808 | { |
| 1809 | struct uidata *data; |
| 1810 | |
| 1811 | for(data = actives; data != NULL; data = data->next) |
| 1812 | { |
| 1813 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) |
| 1814 | { |
| 1815 | newnotif(data, 622, NOTIF_ID, srch->id, NOTIF_STR, sr->filename, NOTIF_STR, sr->fnet->name, NOTIF_STR, sr->peerid, NOTIF_INT, sr->size, |
| 1816 | NOTIF_INT, sr->slots, NOTIF_INT, (sr->fn == NULL)?-1:(sr->fn->id), NOTIF_FLOAT, sr->time, NOTIF_STR, (sr->hash == NULL)?L"":unparsehash(sr->hash), NOTIF_END); |
| 1817 | } |
| 1818 | } |
| 1819 | return(0); |
| 1820 | } |
| 1821 | |
| 1822 | static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata) |
| 1823 | { |
| 1824 | struct uidata *data; |
| 1825 | |
| 1826 | for(data = actives; data != NULL; data = data->next) |
| 1827 | { |
| 1828 | if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat) |
| 1829 | newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END); |
| 1830 | } |
| 1831 | return(0); |
| 1832 | } |
| 1833 | |
| 1834 | static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata) |
| 1835 | { |
| 1836 | struct uidata *data; |
| 1837 | struct notif *notif; |
| 1838 | |
| 1839 | if(!wcscmp(attrib, L"state")) |
| 1840 | { |
| 1841 | for(data = actives; data != NULL; data = data->next) |
| 1842 | { |
| 1843 | if(data->notify.b.fnact) |
| 1844 | newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END); |
| 1845 | } |
| 1846 | } else if(!wcscmp(attrib, L"name")) { |
| 1847 | for(data = actives; data != NULL; data = data->next) |
| 1848 | { |
| 1849 | if(data->notify.b.fnact) |
| 1850 | newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END); |
| 1851 | } |
| 1852 | } else if(!wcscmp(attrib, L"numpeers")) { |
| 1853 | for(data = actives; data != NULL; data = data->next) |
| 1854 | { |
| 1855 | if(data->notify.b.fnact) |
| 1856 | { |
| 1857 | if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL) |
| 1858 | notif->argv[1].d.n = fn->numpeers; |
| 1859 | else |
| 1860 | newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5; |
| 1861 | } |
| 1862 | } |
| 1863 | } |
| 1864 | return(0); |
| 1865 | } |
| 1866 | |
| 1867 | static int fnunlink(struct fnetnode *fn, void *uudata) |
| 1868 | { |
| 1869 | struct uidata *data; |
| 1870 | |
| 1871 | for(data = actives; data != NULL; data = data->next) |
| 1872 | { |
| 1873 | if(data->notify.b.fnact) |
| 1874 | newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END); |
| 1875 | } |
| 1876 | return(0); |
| 1877 | } |
| 1878 | |
| 1879 | static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata) |
| 1880 | { |
| 1881 | struct uidata *data; |
| 1882 | |
| 1883 | for(data = actives; data != NULL; data = data->next) |
| 1884 | { |
| 1885 | if(data->notify.b.fnpeer) |
| 1886 | newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END); |
| 1887 | } |
| 1888 | return(0); |
| 1889 | } |
| 1890 | |
| 1891 | static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata) |
| 1892 | { |
| 1893 | struct uidata *data; |
| 1894 | |
| 1895 | for(data = actives; data != NULL; data = data->next) |
| 1896 | { |
| 1897 | if(data->notify.b.fnpeer) |
| 1898 | newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END); |
| 1899 | } |
| 1900 | return(0); |
| 1901 | } |
| 1902 | |
| 1903 | static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata) |
| 1904 | { |
| 1905 | struct uidata *data; |
| 1906 | struct notif *notif; |
| 1907 | wchar_t buf[32]; |
| 1908 | |
| 1909 | for(data = actives; data != NULL; data = data->next) |
| 1910 | { |
| 1911 | if(data->notify.b.fnpeer) |
| 1912 | { |
| 1913 | for(notif = data->fnotif; notif != NULL; notif = notif->next) |
| 1914 | { |
| 1915 | if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id)) |
| 1916 | break; |
| 1917 | } |
| 1918 | if(notif == NULL) |
| 1919 | notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END); |
| 1920 | notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END); |
| 1921 | switch(di->datum->datatype) |
| 1922 | { |
| 1923 | case FNPD_INT: |
| 1924 | notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END); |
| 1925 | break; |
| 1926 | case FNPD_STR: |
| 1927 | notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END); |
| 1928 | break; |
| 1929 | case FNPD_LL: |
| 1930 | swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum); |
| 1931 | notifappend(notif, NOTIF_STR, buf, NOTIF_END); |
| 1932 | break; |
| 1933 | } |
| 1934 | } |
| 1935 | } |
| 1936 | return(0); |
| 1937 | } |
| 1938 | |
| 1939 | static int newfnetnode(struct fnetnode *fn, void *uudata) |
| 1940 | { |
| 1941 | struct uidata *data; |
| 1942 | |
| 1943 | for(data = actives; data != NULL; data = data->next) |
| 1944 | { |
| 1945 | if(data->notify.b.fnact) |
| 1946 | newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END); |
| 1947 | } |
| 1948 | CBREG(fn, fnetnode_ac, fnactive, NULL, NULL); |
| 1949 | CBREG(fn, fnetnode_chat, recvchat, NULL, NULL); |
| 1950 | CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL); |
| 1951 | CBREG(fn, fnetpeer_new, peernew, NULL, NULL); |
| 1952 | CBREG(fn, fnetpeer_del, peerdel, NULL, NULL); |
| 1953 | CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL); |
| 1954 | return(0); |
| 1955 | } |
| 1956 | |
| 1957 | static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata) |
| 1958 | { |
| 1959 | struct uidata *data; |
| 1960 | |
| 1961 | if(!wcscmp(attrib, L"state")) |
| 1962 | { |
| 1963 | for(data = actives; data != NULL; data = data->next) |
| 1964 | { |
| 1965 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 1966 | newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END); |
| 1967 | } |
| 1968 | } else if(!wcscmp(attrib, L"nick")) { |
| 1969 | for(data = actives; data != NULL; data = data->next) |
| 1970 | { |
| 1971 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 1972 | newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END); |
| 1973 | } |
| 1974 | } else if(!wcscmp(attrib, L"size")) { |
| 1975 | for(data = actives; data != NULL; data = data->next) |
| 1976 | { |
| 1977 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 1978 | newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END); |
| 1979 | } |
| 1980 | } else if(!wcscmp(attrib, L"error")) { |
| 1981 | for(data = actives; data != NULL; data = data->next) |
| 1982 | { |
| 1983 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 1984 | newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END); |
| 1985 | } |
| 1986 | } else if(!wcscmp(attrib, L"path")) { |
| 1987 | for(data = actives; data != NULL; data = data->next) |
| 1988 | { |
| 1989 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 1990 | newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END); |
| 1991 | } |
| 1992 | } else if(!wcscmp(attrib, L"hash")) { |
| 1993 | for(data = actives; data != NULL; data = data->next) |
| 1994 | { |
| 1995 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 1996 | newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END); |
| 1997 | } |
| 1998 | } |
| 1999 | return(0); |
| 2000 | } |
| 2001 | |
| 2002 | static int transferprog(struct transfer *transfer, void *uudata) |
| 2003 | { |
| 2004 | struct uidata *data; |
| 2005 | struct notif *notif; |
| 2006 | |
| 2007 | for(data = actives; data != NULL; data = data->next) |
| 2008 | { |
| 2009 | if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 2010 | { |
| 2011 | if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL) |
| 2012 | notif->argv[1].d.n = transfer->curpos; |
| 2013 | else |
| 2014 | newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5; |
| 2015 | } |
| 2016 | } |
| 2017 | return(0); |
| 2018 | } |
| 2019 | |
| 2020 | static int transferdestroyed(struct transfer *transfer, void *uudata) |
| 2021 | { |
| 2022 | struct uidata *data; |
| 2023 | |
| 2024 | for(data = actives; data != NULL; data = data->next) |
| 2025 | { |
| 2026 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 2027 | newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->exitstatus == NULL)?L"":(transfer->exitstatus), NOTIF_END); |
| 2028 | } |
| 2029 | return(0); |
| 2030 | } |
| 2031 | |
| 2032 | static int newtransfernotify(struct transfer *transfer, void *uudata) |
| 2033 | { |
| 2034 | struct uidata *data; |
| 2035 | |
| 2036 | for(data = actives; data != NULL; data = data->next) |
| 2037 | { |
| 2038 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 2039 | newnotif(data, 610, NOTIF_ID, transfer->id, NOTIF_INT, transfer->dir, NOTIF_STR, transfer->peerid, NOTIF_STR, (transfer->path == NULL)?L"":transfer->path, NOTIF_END); |
| 2040 | } |
| 2041 | CBREG(transfer, trans_ac, transferchattr, NULL, NULL); |
| 2042 | CBREG(transfer, trans_p, transferprog, NULL, NULL); |
| 2043 | CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL); |
| 2044 | return(0); |
| 2045 | } |
| 2046 | |
| 2047 | static struct uiuser *newuser(wchar_t *name, unsigned long perms) |
| 2048 | { |
| 2049 | struct uiuser *new; |
| 2050 | |
| 2051 | new = smalloc(sizeof(*new)); |
| 2052 | new->used = 0; |
| 2053 | new->name = swcsdup(name); |
| 2054 | new->perms = perms; |
| 2055 | new->delete = 0; |
| 2056 | new->next = users; |
| 2057 | new->prev = NULL; |
| 2058 | if(users != NULL) |
| 2059 | users->prev = new; |
| 2060 | users = new; |
| 2061 | return(new); |
| 2062 | } |
| 2063 | |
| 2064 | static void freeuser(struct uiuser *user) |
| 2065 | { |
| 2066 | if(user->next != NULL) |
| 2067 | user->next->prev = user->prev; |
| 2068 | if(user->prev != NULL) |
| 2069 | user->prev->next = user->next; |
| 2070 | if(user == users) |
| 2071 | users = user->next; |
| 2072 | free(user->name); |
| 2073 | free(user); |
| 2074 | } |
| 2075 | |
| 2076 | static int conf_user(int argc, wchar_t **argv) |
| 2077 | { |
| 2078 | int i, perms, permmod; |
| 2079 | struct uiuser *user; |
| 2080 | wchar_t *p; |
| 2081 | |
| 2082 | if(argc < 3) |
| 2083 | { |
| 2084 | flog(LOG_WARNING, "not enough arguments given for user command"); |
| 2085 | return(1); |
| 2086 | } |
| 2087 | perms = 0; |
| 2088 | for(i = 2; i < argc; i++) |
| 2089 | { |
| 2090 | if(!iswalpha(argv[i][0])) |
| 2091 | p = argv[i] + 1; |
| 2092 | else |
| 2093 | p = argv[i]; |
| 2094 | if(!wcscmp(p, L"disallow")) |
| 2095 | permmod = PERM_DISALLOW; |
| 2096 | if(!wcscmp(p, L"admin")) |
| 2097 | permmod = PERM_ADMIN; |
| 2098 | if(!wcscmp(p, L"fnetctl")) |
| 2099 | permmod = PERM_FNETCTL; |
| 2100 | if(!wcscmp(p, L"trans")) |
| 2101 | permmod = PERM_TRANS; |
| 2102 | if(!wcscmp(p, L"transcu")) |
| 2103 | permmod = PERM_TRANSCU; |
| 2104 | if(!wcscmp(p, L"chat")) |
| 2105 | permmod = PERM_CHAT; |
| 2106 | if(!wcscmp(p, L"srch")) |
| 2107 | permmod = PERM_SRCH; |
| 2108 | if(!wcscmp(p, L"all")) |
| 2109 | permmod = ~0; |
| 2110 | if(argv[i][0] == L'-') |
| 2111 | perms &= ~permmod; |
| 2112 | else |
| 2113 | perms |= permmod; |
| 2114 | } |
| 2115 | if((user = finduser(argv[1])) == NULL) |
| 2116 | { |
| 2117 | newuser(argv[1], perms); |
| 2118 | } else { |
| 2119 | user->delete = 0; |
| 2120 | user->perms = perms; |
| 2121 | } |
| 2122 | return(0); |
| 2123 | } |
| 2124 | |
| 2125 | static void preinit(int hup) |
| 2126 | { |
| 2127 | struct uiuser *user; |
| 2128 | |
| 2129 | if(!hup) |
| 2130 | { |
| 2131 | newuser(L"default", PERM_DISALLOW); |
| 2132 | } else { |
| 2133 | for(user = users; user != NULL; user = user->next) |
| 2134 | { |
| 2135 | if(!wcscmp(user->name, L"default")) |
| 2136 | user->delete = 1; |
| 2137 | } |
| 2138 | } |
| 2139 | } |
| 2140 | |
| 2141 | static struct sockaddr_un *makeunixname(void) |
| 2142 | { |
| 2143 | static struct sockaddr_un buf; |
| 2144 | char *val; |
| 2145 | struct passwd *pwd; |
| 2146 | uid_t uid; |
| 2147 | |
| 2148 | memset(&buf, 0, sizeof(buf)); |
| 2149 | buf.sun_family = PF_UNIX; |
| 2150 | if((val = icswcstombs(confgetstr("ui", "unixsock"), NULL, NULL)) == NULL) { |
| 2151 | flog(LOG_WARNING, "could not map Unix socket name into local charset: %s", strerror(errno)); |
| 2152 | return(NULL); |
| 2153 | } |
| 2154 | if(!strcmp(val, "none")) |
| 2155 | return(NULL); |
| 2156 | if(!strcmp(val, "default")) |
| 2157 | { |
| 2158 | if((uid = getuid()) == 0) |
| 2159 | { |
| 2160 | strcpy(buf.sun_path, "/var/run/doldacond.sock"); |
| 2161 | return(&buf); |
| 2162 | } else { |
| 2163 | if((pwd = getpwuid(uid)) == NULL) |
| 2164 | { |
| 2165 | flog(LOG_ERR, "could not get passwd entry for current user: %s", strerror(errno)); |
| 2166 | return(NULL); |
| 2167 | } |
| 2168 | strcpy(buf.sun_path, "/tmp/doldacond-"); |
| 2169 | strcat(buf.sun_path, pwd->pw_name); |
| 2170 | return(&buf); |
| 2171 | } |
| 2172 | } |
| 2173 | if(strchr(val, '/')) |
| 2174 | { |
| 2175 | strcpy(buf.sun_path, val); |
| 2176 | return(&buf); |
| 2177 | } |
| 2178 | flog(LOG_WARNING, "invalid Unix socket name: %s", val); |
| 2179 | return(NULL); |
| 2180 | } |
| 2181 | |
| 2182 | static int tcpportupdate(struct configvar *var, void *uudata) |
| 2183 | { |
| 2184 | struct socket *newsock; |
| 2185 | |
| 2186 | newsock = NULL; |
| 2187 | if((var->val.num != -1) && ((newsock = netcstcplisten(var->val.num, 1, uiaccept, NULL)) == NULL)) |
| 2188 | { |
| 2189 | flog(LOG_WARNING, "could not create new TCP UI socket, reverting to old: %s", strerror(errno)); |
| 2190 | return(0); |
| 2191 | } |
| 2192 | if(tcpsocket != NULL) |
| 2193 | { |
| 2194 | putsock(tcpsocket); |
| 2195 | tcpsocket = NULL; |
| 2196 | } |
| 2197 | tcpsocket = newsock; |
| 2198 | return(0); |
| 2199 | } |
| 2200 | |
| 2201 | static int unixsockupdate(struct configvar *var, void *uudata) |
| 2202 | { |
| 2203 | struct socket *newsock; |
| 2204 | struct sockaddr_un *un; |
| 2205 | |
| 2206 | newsock = NULL; |
| 2207 | if(((un = makeunixname()) != NULL) && ((newsock = netcslistenlocal(SOCK_STREAM, (struct sockaddr *)un, sizeof(*un), uiaccept, NULL)) == NULL)) |
| 2208 | { |
| 2209 | flog(LOG_WARNING, "could not create new Unix UI socket, reverting to old: %s", strerror(errno)); |
| 2210 | return(0); |
| 2211 | } |
| 2212 | if(unixsocket != NULL) |
| 2213 | { |
| 2214 | putsock(unixsocket); |
| 2215 | unixsocket = NULL; |
| 2216 | } |
| 2217 | unixsocket = newsock; |
| 2218 | return(0); |
| 2219 | } |
| 2220 | |
| 2221 | static int init(int hup) |
| 2222 | { |
| 2223 | struct uiuser *user, *next; |
| 2224 | struct sockaddr_un *un; |
| 2225 | struct passwd *pwd; |
| 2226 | wchar_t *wcsname; |
| 2227 | |
| 2228 | if(hup) |
| 2229 | { |
| 2230 | for(user = users; user != NULL; user = next) |
| 2231 | { |
| 2232 | next = user->next; |
| 2233 | if(user->delete) |
| 2234 | freeuser(user); |
| 2235 | } |
| 2236 | } |
| 2237 | if(!hup) |
| 2238 | { |
| 2239 | starttime = time(NULL); |
| 2240 | if((confgetint("ui", "port") != -1) && ((tcpsocket = netcstcplisten(confgetint("ui", "port"), 1, uiaccept, NULL)) == NULL)) |
| 2241 | { |
| 2242 | flog(LOG_CRIT, "could not create TCP UI socket: %s", strerror(errno)); |
| 2243 | return(1); |
| 2244 | } |
| 2245 | CBREG(confgetvar("ui", "port"), conf_update, tcpportupdate, NULL, NULL); |
| 2246 | if(((un = makeunixname()) != NULL) && ((unixsocket = netcslistenlocal(SOCK_STREAM, (struct sockaddr *)un, sizeof(*un), uiaccept, NULL)) == NULL)) |
| 2247 | { |
| 2248 | flog(LOG_CRIT, "could not create Unix UI socket: %s", strerror(errno)); |
| 2249 | return(1); |
| 2250 | } |
| 2251 | CBREG(confgetvar("ui", "unixsock"), conf_update, unixsockupdate, NULL, NULL); |
| 2252 | GCBREG(newfncb, newfnetnode, NULL); |
| 2253 | GCBREG(newtransfercb, newtransfernotify, NULL); |
| 2254 | } |
| 2255 | if(getuid() != 0) |
| 2256 | { |
| 2257 | for(user = users; user != NULL; user = user->next) |
| 2258 | { |
| 2259 | if(wcscmp(user->name, L"default")) |
| 2260 | break; |
| 2261 | } |
| 2262 | if(!user) |
| 2263 | { |
| 2264 | if((pwd = getpwuid(getuid())) == NULL) |
| 2265 | { |
| 2266 | flog(LOG_CRIT, "could not get login info: %s", strerror(errno)); |
| 2267 | return(1); |
| 2268 | } |
| 2269 | if((wcsname = icmbstowcs(pwd->pw_name, NULL)) == NULL) |
| 2270 | { |
| 2271 | flog(LOG_CRIT, "could not convert user name into wcs: %s", strerror(errno)); |
| 2272 | return(1); |
| 2273 | } |
| 2274 | newuser(wcsname, ~PERM_DISALLOW); |
| 2275 | free(wcsname); |
| 2276 | } |
| 2277 | } |
| 2278 | return(0); |
| 2279 | } |
| 2280 | |
| 2281 | static int run(void) |
| 2282 | { |
| 2283 | int i, id; |
| 2284 | struct uidata *data, *next; |
| 2285 | struct qcommand *qcmd; |
| 2286 | struct notif *notif, *nnotif; |
| 2287 | |
| 2288 | for(data = actives; data != NULL; data = next) |
| 2289 | { |
| 2290 | next = data->next; |
| 2291 | if(data->close) |
| 2292 | freeuidata(data); |
| 2293 | } |
| 2294 | for(data = actives; data != NULL; data = data->next) |
| 2295 | { |
| 2296 | for(notif = data->fnotif; notif != NULL; notif = nnotif) |
| 2297 | { |
| 2298 | nnotif = notif->next; |
| 2299 | if(notif->state == NOTIF_WAIT) |
| 2300 | continue; |
| 2301 | id = -1; |
| 2302 | for(i = 0; i < notif->argc; i++) |
| 2303 | { |
| 2304 | if(notif->argv[i].dt == NOTIF_ID) |
| 2305 | { |
| 2306 | id = notif->argv[i].d.n; |
| 2307 | break; |
| 2308 | } |
| 2309 | } |
| 2310 | if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL) |
| 2311 | continue; |
| 2312 | sq(data->sk, 2, L"%i", notif->code, NULL); |
| 2313 | for(i = 0; i < notif->argc; i++) |
| 2314 | { |
| 2315 | switch(notif->argv[i].dt) |
| 2316 | { |
| 2317 | case NOTIF_INT: |
| 2318 | case NOTIF_ID: |
| 2319 | sq(data->sk, 2, L"%i", notif->argv[i].d.n, NULL); |
| 2320 | break; |
| 2321 | case NOTIF_STR: |
| 2322 | if(notif->argv[i].d.s[0] == L'%') |
| 2323 | sq(data->sk, 2, L"%ls", notif->argv[i].d.s, NULL); |
| 2324 | else |
| 2325 | sq(data->sk, 2, notif->argv[i].d.s, NULL); |
| 2326 | break; |
| 2327 | case NOTIF_FLOAT: |
| 2328 | sq(data->sk, 2, L"%f", notif->argv[i].d.d, NULL); |
| 2329 | break; |
| 2330 | } |
| 2331 | } |
| 2332 | sq(data->sk, 0, NULL); |
| 2333 | if(notif->rlimit != 0) |
| 2334 | { |
| 2335 | notif->state = NOTIF_WAIT; |
| 2336 | notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif); |
| 2337 | } else { |
| 2338 | freenotif(notif); |
| 2339 | } |
| 2340 | } |
| 2341 | if((qcmd = unlinkqcmd(data)) != NULL) |
| 2342 | { |
| 2343 | qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv); |
| 2344 | freequeuecmd(qcmd); |
| 2345 | return(1); |
| 2346 | } |
| 2347 | } |
| 2348 | return(0); |
| 2349 | } |
| 2350 | |
| 2351 | static void terminate(void) |
| 2352 | { |
| 2353 | while(users != NULL) |
| 2354 | freeuser(users); |
| 2355 | if(tcpsocket != NULL) |
| 2356 | putsock(tcpsocket); |
| 2357 | if(unixsocket != NULL) |
| 2358 | putsock(unixsocket); |
| 2359 | } |
| 2360 | |
| 2361 | static struct configvar myvars[] = |
| 2362 | { |
| 2363 | /** If true, UI connections will only be accepted from localhost |
| 2364 | * addresses (127.0.0.1, ::1 or ::ffff:127.0.0.1). Unless you are |
| 2365 | * completely sure that you know what you are doing, never turn |
| 2366 | * this off when auth.authless is on. */ |
| 2367 | {CONF_VAR_BOOL, "onlylocal", {.num = 1}}, |
| 2368 | /** The TCP port number on which to accept UI client connections, |
| 2369 | * or -1 to not listen on TCP. */ |
| 2370 | {CONF_VAR_INT, "port", {.num = 1500}}, |
| 2371 | /** |
| 2372 | * Controls the the name to use for the Unix socket on which to |
| 2373 | * accept UI client connections. If the name contains a slash, it |
| 2374 | * is treated as a file name to bind on. If the name is "default", |
| 2375 | * the file name will be "/var/run/doldacond.sock" if doldacond |
| 2376 | * runs with UID == 0, or "/tmp/doldacond-NAME" otherwise, where |
| 2377 | * NAME is the user name of the UID which doldacond runs as. If |
| 2378 | * the name is "none", no Unix socket will be used. Otherwise, an |
| 2379 | * error is signaled. |
| 2380 | */ |
| 2381 | {CONF_VAR_STRING, "unixsock", {.str = L"default"}}, |
| 2382 | /** The TOS value to use for UI connections (see the TOS VALUES |
| 2383 | * section). */ |
| 2384 | {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}}, |
| 2385 | /** The name of the filtercmd script (see the FILES section for |
| 2386 | * lookup information). */ |
| 2387 | {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}}, |
| 2388 | {CONF_VAR_END} |
| 2389 | }; |
| 2390 | |
| 2391 | static struct configcmd mycmds[] = |
| 2392 | { |
| 2393 | {"user", conf_user}, |
| 2394 | {NULL} |
| 2395 | }; |
| 2396 | |
| 2397 | static struct module me = |
| 2398 | { |
| 2399 | .name = "ui", |
| 2400 | .conf = |
| 2401 | { |
| 2402 | .vars = myvars, |
| 2403 | .cmds = mycmds |
| 2404 | }, |
| 2405 | .preinit = preinit, |
| 2406 | .init = init, |
| 2407 | .run = run, |
| 2408 | .terminate = terminate |
| 2409 | }; |
| 2410 | |
| 2411 | MODULE(me) |