| d3372da9 |
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 <malloc.h> |
| 23 | #include <sys/socket.h> |
| 24 | #include <netinet/in.h> |
| 25 | #include <netinet/ip6.h> |
| 26 | #include <errno.h> |
| 27 | #include <string.h> |
| 28 | #include <stdarg.h> |
| 29 | #include <wchar.h> |
| 30 | #include <wctype.h> |
| 31 | #include <iconv.h> |
| 32 | #include <pwd.h> |
| 33 | #include <time.h> |
| 34 | #include <fcntl.h> |
| 35 | #include <signal.h> |
| 36 | |
| 37 | #ifdef HAVE_CONFIG_H |
| 38 | #include <config.h> |
| 39 | #endif |
| 40 | #include "conf.h" |
| 41 | #include "auth.h" |
| 42 | #include "utils.h" |
| 43 | #include "net.h" |
| 44 | #include "module.h" |
| 45 | #include "sysevents.h" |
| 46 | #include "filenet.h" |
| 47 | #include "transfer.h" |
| 48 | #include "search.h" |
| 49 | #include "client.h" |
| 50 | |
| 51 | #define PERM_DISALLOW 1 |
| 52 | #define PERM_ADMIN 2 |
| 53 | #define PERM_FNETCTL 4 |
| 54 | #define PERM_TRANS 8 |
| 55 | #define PERM_TRANSCU 16 |
| 56 | #define PERM_CHAT 32 |
| 57 | #define PERM_SRCH 64 |
| 58 | |
| 59 | #define NOTIF_END 0 |
| 60 | #define NOTIF_INT 1 |
| 61 | #define NOTIF_STR 2 |
| 62 | #define NOTIF_FLOAT 3 |
| 63 | #define NOTIF_ID 4 |
| 64 | #define NOTIF_PEND 0 |
| 65 | #define NOTIF_WAIT 1 |
| 66 | |
| 67 | struct uidata; |
| 68 | |
| 69 | struct command |
| 70 | { |
| 71 | wchar_t *name; |
| 72 | void (*handler)(struct socket *sk, struct uidata *data, int argc, wchar_t **argv); |
| 73 | }; |
| 74 | |
| 75 | struct qcommand |
| 76 | { |
| 77 | struct qcommand *next; |
| 78 | struct command *cmd; |
| 79 | int argc; |
| 80 | wchar_t **argv; |
| 81 | }; |
| 82 | |
| 83 | struct uiuser |
| 84 | { |
| 85 | struct uiuser *next, *prev; |
| 86 | int used; |
| 87 | wchar_t *name; |
| 88 | unsigned long perms; |
| 89 | int delete; |
| 90 | }; |
| 91 | |
| 92 | struct notif |
| 93 | { |
| 94 | struct notif *next, *prev; |
| 95 | struct uidata *ui; |
| 96 | int state; |
| 97 | int code; |
| 98 | double rlimit; |
| 99 | size_t argc; |
| 100 | struct timer *exptimer; |
| 101 | struct notifarg |
| 102 | { |
| 103 | int dt; |
| 104 | union |
| 105 | { |
| 106 | int n; |
| 107 | wchar_t *s; |
| 108 | double d; |
| 109 | } d; |
| 110 | } *argv; |
| 111 | }; |
| 112 | |
| 113 | struct uidata |
| 114 | { |
| 115 | struct uidata *next, *prev; |
| 116 | struct socket *sk; |
| 117 | struct qcommand *queue, *queuelast; |
| 118 | struct authhandle *auth; |
| 119 | int close; |
| 120 | union |
| 121 | { |
| 122 | struct |
| 123 | { |
| 124 | int fnact:1; |
| 125 | int fnchat:1; |
| 126 | int tract:1; |
| 127 | int trprog:1; |
| 128 | int srch:1; |
| 129 | } b; |
| 130 | int w; |
| 131 | } notify; |
| 132 | wchar_t *username; |
| 133 | struct uiuser *userinfo; |
| 134 | uid_t uid; |
| 135 | struct notif *fnotif, *lnotif; |
| 136 | char *fcmdbuf; |
| 137 | size_t fcmdbufdata, fcmdbufsize; |
| 138 | pid_t fcmdpid; |
| 139 | struct socket *fcmdsk; |
| 140 | /* Read buffer */ |
| 141 | char *inbuf; |
| 142 | size_t inbufsize, indata; |
| 143 | /* Wordset storage */ |
| 144 | wchar_t **argv; |
| 145 | int argc, args; |
| 146 | /* WCS conversation stuff */ |
| 147 | wchar_t *cb; /* Conversation buffer */ |
| 148 | size_t cbsize, cbdata; |
| 149 | iconv_t ichandle; |
| 150 | /* Parser data */ |
| 151 | int ps; /* Parser state */ |
| 152 | wchar_t *pp; /* Current parse pointer */ |
| 153 | wchar_t *cw; /* Current word (building storage) */ |
| 154 | size_t cwsize, cwdata; |
| 155 | }; |
| 156 | |
| 157 | static int srcheta(struct search *srch, void *uudata); |
| 158 | static int srchcommit(struct search *srch, void *uudata); |
| 159 | static int srchres(struct search *srch, struct srchres *sr, void *uudata); |
| 160 | |
| 161 | struct uiuser *users = NULL; |
| 162 | struct uidata *actives = NULL; |
| 163 | struct socket *uisocket = NULL; |
| 164 | |
| 165 | static wchar_t *quoteword(wchar_t *word) |
| 166 | { |
| 167 | wchar_t *wp, *buf, *bp; |
| 168 | int dq, numbs, numc; |
| 169 | |
| 170 | dq = 0; |
| 171 | numbs = 0; |
| 172 | numc = 0; |
| 173 | if(*word == L'\0') |
| 174 | { |
| 175 | dq = 1; |
| 176 | } else { |
| 177 | for(wp = word; *wp != L'\0'; wp++) |
| 178 | { |
| 179 | if(!dq && iswspace(*wp)) |
| 180 | dq = 1; |
| 181 | if((*wp == L'\\') || (*wp == L'\"')) |
| 182 | numbs++; |
| 183 | numc++; |
| 184 | } |
| 185 | } |
| 186 | if(!dq && !numbs) |
| 187 | return(NULL); |
| 188 | bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1)); |
| 189 | if(dq) |
| 190 | *(bp++) = L'\"'; |
| 191 | for(wp = word; *wp != L'\0'; wp++) |
| 192 | { |
| 193 | if((*wp == L'\\') || (*wp == L'\"')) |
| 194 | *(bp++) = L'\\'; |
| 195 | *(bp++) = *wp; |
| 196 | } |
| 197 | if(dq) |
| 198 | *(bp++) = L'\"'; |
| 199 | *(bp++) = L'\0'; |
| 200 | return(buf); |
| 201 | } |
| 202 | |
| 203 | static void sq(struct socket *sk, int cont, ...) |
| 204 | { |
| 205 | int num, freepart; |
| 206 | va_list al; |
| 207 | char *final; |
| 208 | wchar_t *buf; |
| 209 | wchar_t *part, *tpart; |
| 210 | size_t bufsize, bufdata; |
| 211 | |
| 212 | buf = NULL; |
| 213 | bufsize = bufdata = 0; |
| 214 | num = 0; |
| 215 | va_start(al, cont); |
| 216 | while((part = va_arg(al, wchar_t *)) != NULL) |
| 217 | { |
| 218 | if(*part == L'%') |
| 219 | { |
| 220 | /* |
| 221 | * This kludge demands that all arguments that you call it |
| 222 | * with are the size of an int. That happens to be the |
| 223 | * case for most datatypes on most platforms and |
| 224 | * compilers, but I don't know exactly which ones, and |
| 225 | * also a long long is a notable candidate of an arg that |
| 226 | * is not the size of an int on 32-bit archs. If it breaks |
| 227 | * some existing call on your architecture, please tell |
| 228 | * me. |
| 229 | */ |
| 230 | part = vswprintf2(tpart = (part + 1), al); |
| 231 | for(; *tpart != L'\0'; tpart++) |
| 232 | { |
| 233 | if(*tpart == L'%') |
| 234 | { |
| 235 | if(tpart[1] == L'%') |
| 236 | tpart++; |
| 237 | else |
| 238 | va_arg(al, int); |
| 239 | } |
| 240 | } |
| 241 | freepart = 1; |
| 242 | } else { |
| 243 | freepart = 0; |
| 244 | } |
| 245 | if((tpart = quoteword(part)) != NULL) |
| 246 | { |
| 247 | if(freepart) |
| 248 | free(part); |
| 249 | part = tpart; |
| 250 | freepart = 1; |
| 251 | } |
| 252 | if((num > 1) || ((num == 1) && !(cont & 1))) |
| 253 | addtobuf(buf, L' '); |
| 254 | bufcat(buf, part, wcslen(part)); |
| 255 | if((num == 0) && (cont & 1)) |
| 256 | addtobuf(buf, L'-'); |
| 257 | num++; |
| 258 | if(freepart) |
| 259 | free(part); |
| 260 | } |
| 261 | if(cont & 2) |
| 262 | bufcat(buf, L" \0", 2); |
| 263 | else |
| 264 | bufcat(buf, L"\r\n\0", 3); |
| 265 | if((final = icwcstombs(buf, "utf-8")) == NULL) |
| 266 | { |
| 267 | flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno)); |
| 268 | free(buf); |
| 269 | return; |
| 270 | } |
| 271 | va_end(al); |
| 272 | free(buf); |
| 273 | sockqueue(sk, final, strlen(final)); |
| 274 | free(final); |
| 275 | } |
| 276 | |
| 277 | struct uiuser *finduser(wchar_t *name) |
| 278 | { |
| 279 | struct uiuser *user; |
| 280 | |
| 281 | for(user = users; user != NULL; user = user->next) |
| 282 | { |
| 283 | if(!wcscmp(user->name, name)) |
| 284 | break; |
| 285 | } |
| 286 | return(user); |
| 287 | } |
| 288 | |
| 289 | static void logout(struct uidata *data) |
| 290 | { |
| 291 | data->userinfo = NULL; |
| 292 | if(data->username != NULL) |
| 293 | free(data->username); |
| 294 | data->username = NULL; |
| 295 | if(data->auth != NULL) |
| 296 | authputhandle(data->auth); |
| 297 | data->auth = NULL; |
| 298 | } |
| 299 | |
| 300 | static int haspriv(struct uidata *data, int perm) |
| 301 | { |
| 302 | if(data->userinfo == NULL) |
| 303 | return(0); |
| 304 | if(data->userinfo->perms & perm) |
| 305 | return(1); |
| 306 | else |
| 307 | return(0); |
| 308 | } |
| 309 | |
| 310 | /* Useful macros for the command functions: */ |
| 311 | #define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0) |
| 312 | #define havepriv(p) do { if((data->userinfo == NULL) || ((data->userinfo->perms & (p)) != (p))) { sq(sk, 0, L"502", L"%Unauthorized request - %x needed", (p), NULL); return; } } while(0) |
| 313 | |
| 314 | static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 315 | { |
| 316 | int valid; |
| 317 | |
| 318 | if(confgetint("ui", "onlylocal")) |
| 319 | { |
| 320 | switch(sk->remote->sa_family) |
| 321 | { |
| 322 | case AF_INET: |
| 323 | valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK; |
| 324 | break; |
| 325 | case AF_INET6: |
| 326 | valid = !memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)); |
| 327 | break; |
| 328 | default: |
| 329 | valid = 0; |
| 330 | break; |
| 331 | } |
| 332 | if(!valid) |
| 333 | { |
| 334 | sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL); |
| 335 | sk->close = 1; |
| 336 | data->close = 1; |
| 337 | return; |
| 338 | } |
| 339 | } |
| 340 | sq(sk, 0, L"200", L"%Dolda Connect daemon v%s", VERSION, NULL); |
| 341 | } |
| 342 | |
| 343 | static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 344 | { |
| 345 | if((argv != NULL) && (argv[0] != NULL)) |
| 346 | sq(sk, 0, L"500", L"%Command not found: %ls", argv[0], NULL); |
| 347 | else |
| 348 | sq(sk, 0, L"500", L"No command", NULL); |
| 349 | } |
| 350 | |
| 351 | static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 352 | { |
| 353 | extern volatile int running; |
| 354 | |
| 355 | havepriv(PERM_ADMIN); |
| 356 | flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username); |
| 357 | running = 0; |
| 358 | sq(sk, 0, L"200", L"Daemon shutting down", NULL); |
| 359 | } |
| 360 | |
| 361 | static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 362 | { |
| 363 | sq(sk, 0, L"200", L"Closing connection", NULL); |
| 364 | data->close = 1; |
| 365 | } |
| 366 | |
| 367 | static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 368 | { |
| 369 | struct authmech *mech, *prev; |
| 370 | |
| 371 | prev = NULL; |
| 372 | for(mech = mechs; mech != NULL; mech = mech->next) |
| 373 | { |
| 374 | if(mech->enabled) |
| 375 | { |
| 376 | if(prev != NULL) |
| 377 | sq(sk, 1, L"200", prev->name, NULL); |
| 378 | prev = mech; |
| 379 | } |
| 380 | } |
| 381 | if(prev == NULL) |
| 382 | sq(sk, 0, L"201", L"No authentication methods supported", NULL); |
| 383 | else |
| 384 | sq(sk, 0, L"200", prev->name, NULL); |
| 385 | } |
| 386 | |
| 387 | static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 388 | { |
| 389 | char *buf; |
| 390 | int code; |
| 391 | struct passwd *pwd; |
| 392 | |
| 393 | haveargs(3); |
| 394 | if(data->username != NULL) |
| 395 | { |
| 396 | if(data->userinfo != NULL) |
| 397 | sq(sk, 0, L"503", L"Already logged in", NULL); |
| 398 | else |
| 399 | sq(sk, 0, L"503", L"Already logging in", NULL); |
| 400 | return; |
| 401 | } |
| 402 | if((buf = icwcstombs(argv[2], NULL)) == NULL) |
| 403 | { |
| 404 | sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL); |
| 405 | return; |
| 406 | } |
| 407 | data->username = swcsdup(argv[2]); |
| 408 | if((pwd = getpwnam(buf)) == NULL) |
| 409 | data->uid = -1; |
| 410 | else |
| 411 | data->uid = pwd->pw_uid; |
| 412 | if((data->auth = initauth(argv[1], buf)) == NULL) |
| 413 | { |
| 414 | if(errno == ENOENT) |
| 415 | sq(sk, 0, L"508", L"No such authentication mechanism", NULL); |
| 416 | else |
| 417 | sq(sk, 0, L"505", L"Could not initialize authentication system", L"%%s", strerror(errno), NULL); |
| 418 | free(buf); |
| 419 | logout(data); |
| 420 | return; |
| 421 | } |
| 422 | free(buf); |
| 423 | switch(authenticate(data->auth, NULL)) |
| 424 | { |
| 425 | case AUTH_SUCCESS: |
| 426 | data->userinfo = finduser(data->username); |
| 427 | if(data->userinfo == NULL) |
| 428 | data->userinfo = finduser(L"default"); |
| 429 | if(data->uid == -1) |
| 430 | { |
| 431 | sq(sk, 0, L"506", L"Authentication error", NULL); |
| 432 | flog(LOG_INFO, "user %ls authenticated successfully, but no account existed", data->username); |
| 433 | logout(data); |
| 434 | } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) { |
| 435 | sq(sk, 0, L"506", L"Authentication error", NULL); |
| 436 | flog(LOG_INFO, "user %ls authenticated successfully, but was not authorized", data->username); |
| 437 | logout(data); |
| 438 | } else { |
| 439 | sq(sk, 0, L"200", L"Welcome", NULL); |
| 440 | flog(LOG_INFO, "%ls (UID %i) logged in", data->username, data->uid); |
| 441 | } |
| 442 | break; |
| 443 | case AUTH_DENIED: |
| 444 | sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL); |
| 445 | logout(data); |
| 446 | break; |
| 447 | case AUTH_PASS: |
| 448 | switch(data->auth->prompt) |
| 449 | { |
| 450 | case AUTH_PR_AUTO: |
| 451 | code = 300; |
| 452 | break; |
| 453 | case AUTH_PR_NOECHO: |
| 454 | code = 301; |
| 455 | break; |
| 456 | case AUTH_PR_ECHO: |
| 457 | code = 302; |
| 458 | break; |
| 459 | case AUTH_PR_INFO: |
| 460 | code = 303; |
| 461 | break; |
| 462 | case AUTH_PR_ERROR: |
| 463 | code = 304; |
| 464 | break; |
| 465 | } |
| 466 | sq(sk, 0, L"%%i", code, data->auth->text, NULL); |
| 467 | break; |
| 468 | case AUTH_ERR: |
| 469 | sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL); |
| 470 | logout(data); |
| 471 | break; |
| 472 | default: |
| 473 | flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login"); |
| 474 | sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL); |
| 475 | logout(data); |
| 476 | break; |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 481 | { |
| 482 | char *buf; |
| 483 | int code; |
| 484 | |
| 485 | haveargs(2); |
| 486 | if((buf = icwcstombs(argv[1], NULL)) == NULL) |
| 487 | { |
| 488 | sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL); |
| 489 | return; |
| 490 | } |
| 491 | if((data->auth == NULL) || (data->userinfo != NULL)) |
| 492 | { |
| 493 | sq(sk, 0, L"507", L"Data not expected", NULL); |
| 494 | return; |
| 495 | } |
| 496 | switch(authenticate(data->auth, buf)) |
| 497 | { |
| 498 | case AUTH_SUCCESS: |
| 499 | data->userinfo = finduser(data->username); |
| 500 | if(data->userinfo == NULL) |
| 501 | data->userinfo = finduser(L"default"); |
| 502 | if(data->uid == -1) |
| 503 | { |
| 504 | sq(sk, 0, L"506", L"Authentication error", NULL); |
| 505 | flog(LOG_INFO, "user %ls authenticated successfully, but no account existed", data->username); |
| 506 | logout(data); |
| 507 | } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) { |
| 508 | sq(sk, 0, L"506", L"Authentication error", NULL); |
| 509 | flog(LOG_INFO, "user %ls authenticated successfully, but was not authorized", data->username); |
| 510 | logout(data); |
| 511 | } else { |
| 512 | sq(sk, 0, L"200", L"Welcome", NULL); |
| 513 | flog(LOG_INFO, "%ls (UID %i) logged in", data->username, data->uid); |
| 514 | } |
| 515 | break; |
| 516 | case AUTH_DENIED: |
| 517 | sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL); |
| 518 | logout(data); |
| 519 | break; |
| 520 | case AUTH_PASS: |
| 521 | switch(data->auth->prompt) |
| 522 | { |
| 523 | case AUTH_PR_AUTO: |
| 524 | code = 300; |
| 525 | break; |
| 526 | case AUTH_PR_NOECHO: |
| 527 | code = 301; |
| 528 | break; |
| 529 | case AUTH_PR_ECHO: |
| 530 | code = 302; |
| 531 | break; |
| 532 | case AUTH_PR_INFO: |
| 533 | code = 303; |
| 534 | break; |
| 535 | case AUTH_PR_ERROR: |
| 536 | code = 304; |
| 537 | break; |
| 538 | } |
| 539 | sq(sk, 0, L"%%i", code, data->auth->text, NULL); |
| 540 | break; |
| 541 | case AUTH_ERR: |
| 542 | sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL); |
| 543 | logout(data); |
| 544 | break; |
| 545 | default: |
| 546 | flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass"); |
| 547 | sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL); |
| 548 | logout(data); |
| 549 | break; |
| 550 | } |
| 551 | free(buf); |
| 552 | } |
| 553 | |
| 554 | static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 555 | { |
| 556 | int i; |
| 557 | char *buf; |
| 558 | int err; |
| 559 | struct fnetnode *fn; |
| 560 | |
| 561 | haveargs(3); |
| 562 | havepriv(PERM_FNETCTL); |
| 563 | if((buf = icwcstombs(argv[2], NULL)) == NULL) |
| 564 | { |
| 565 | sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL); |
| 566 | return; |
| 567 | } |
| 568 | fn = fnetinitconnect(argv[1], buf); |
| 569 | err = errno; |
| 570 | free(buf); |
| 571 | if(fn == NULL) |
| 572 | { |
| 573 | if(errno == EPROTONOSUPPORT) |
| 574 | sq(sk, 0, L"511", L"No such network name", NULL); |
| 575 | else |
| 576 | sq(sk, 0, L"509", L"Could not parse the address", L"%%s", strerror(err), NULL); |
| 577 | return; |
| 578 | } |
| 579 | for(i = 3; i < argc - 1; i += 2) |
| 580 | { |
| 581 | if(!wcscmp(argv[i], L"nick")) |
| 582 | fnetsetnick(fn, argv[i + 1]); |
| 583 | } |
| 584 | linkfnetnode(fn); |
| 585 | fnetsetname(fn, argv[2]); |
| 586 | putfnetnode(fn); |
| 587 | sq(sk, 0, L"200", L"Connection under way", NULL); |
| 588 | } |
| 589 | |
| 590 | static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 591 | { |
| 592 | struct fnetnode *fn; |
| 593 | |
| 594 | if(fnetnodes == NULL) |
| 595 | { |
| 596 | sq(sk, 0, L"201", L"No connected nodes", NULL); |
| 597 | return; |
| 598 | } |
| 599 | for(fn = fnetnodes; fn != NULL; fn = fn->next) |
| 600 | { |
| 601 | 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, NULL); |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 606 | { |
| 607 | struct fnetnode *fn; |
| 608 | int i; |
| 609 | |
| 610 | haveargs(2); |
| 611 | havepriv(PERM_FNETCTL); |
| 612 | /* Note - Programmatical user interfaces must only give one |
| 613 | * argument per command, the multiple argument form is only for |
| 614 | * convenience when manually controlling the daemon via |
| 615 | * eg. telnet. The reason is that the return codes aren't clear |
| 616 | * enough for the multiple argument form. */ |
| 617 | for(i = 1; i < argc; i++) |
| 618 | { |
| 619 | if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL) |
| 620 | { |
| 621 | sq(sk, 0, L"510", L"No such node", NULL); |
| 622 | return; |
| 623 | } |
| 624 | killfnetnode(fn); |
| 625 | unlinkfnetnode(fn); |
| 626 | } |
| 627 | sq(sk, 0, L"200", L"Node flagged for disconnection", NULL); |
| 628 | } |
| 629 | |
| 630 | static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 631 | { |
| 632 | struct fnetnode *fn; |
| 633 | struct fnetpeerdatum *datum; |
| 634 | |
| 635 | haveargs(2); |
| 636 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
| 637 | { |
| 638 | sq(sk, 0, L"510", L"No such node", NULL); |
| 639 | return; |
| 640 | } |
| 641 | if(fn->peerdata == NULL) |
| 642 | { |
| 643 | sq(sk, 0, L"201", L"No data available", NULL); |
| 644 | } else { |
| 645 | for(datum = fn->peerdata; datum != NULL; datum = datum->next) |
| 646 | sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%%i", datum->datatype, NULL); |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 651 | { |
| 652 | int i; |
| 653 | struct fnetnode *fn; |
| 654 | struct fnetpeer *peer; |
| 655 | wchar_t buf[40]; |
| 656 | |
| 657 | haveargs(2); |
| 658 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
| 659 | { |
| 660 | sq(sk, 0, L"510", L"No such node", NULL); |
| 661 | return; |
| 662 | } |
| 663 | if(fn->peers == NULL) |
| 664 | { |
| 665 | sq(sk, 0, L"201", L"No peers avaiable", NULL); |
| 666 | } else { |
| 667 | for(peer = fn->peers; peer != NULL; peer = peer->next) |
| 668 | { |
| 669 | sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", peer->id, peer->nick, NULL); |
| 670 | for(i = 0; i < peer->dinum; i++) |
| 671 | { |
| 672 | if(peer->peerdi[i].datum->datatype == FNPD_INT) |
| 673 | sq(sk, 2, peer->peerdi[i].datum->id, L"%%i", peer->peerdi[i].data.num, NULL); |
| 674 | /* Note: A long long is not the size of an int, so |
| 675 | * sq() can't handle the conversion itself. */ |
| 676 | if(peer->peerdi[i].datum->datatype == FNPD_LL) |
| 677 | { |
| 678 | swprintf(buf, 40, L"%lli", peer->peerdi[i].data.lnum); |
| 679 | sq(sk, 2, peer->peerdi[i].datum->id, buf, NULL); |
| 680 | } |
| 681 | if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL)) |
| 682 | sq(sk, 2, peer->peerdi[i].datum->id, peer->peerdi[i].data.str, NULL); |
| 683 | } |
| 684 | sq(sk, 0, NULL); |
| 685 | } |
| 686 | } |
| 687 | } |
| 688 | |
| 689 | static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 690 | { |
| 691 | int i; |
| 692 | struct fnet *net; |
| 693 | struct fnetnode *fn; |
| 694 | struct transfer *transfer; |
| 695 | struct fnetpeer *peer; |
| 696 | |
| 697 | haveargs(4); |
| 698 | if((argc > 5) && ((argc % 2) == 0)) |
| 699 | { |
| 700 | sq(sk, 0, L"501", L"Must have an even number of arguments", NULL); |
| 701 | return; |
| 702 | } |
| 703 | havepriv(PERM_TRANS); |
| 704 | if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9')) |
| 705 | { |
| 706 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
| 707 | { |
| 708 | sq(sk, 0, L"510", L"No such node", NULL); |
| 709 | return; |
| 710 | } |
| 711 | net = fn->fnet; |
| 712 | } else { |
| 713 | fn = NULL; |
| 714 | if((net = findfnet(argv[1])) == NULL) |
| 715 | { |
| 716 | sq(sk, 0, L"511", L"No such network name", NULL); |
| 717 | return; |
| 718 | } |
| 719 | } |
| 720 | transfer = newtransfer(); |
| 721 | authgethandle(transfer->auth = data->auth); |
| 722 | transfer->fnet = net; |
| 723 | transfer->peerid = swcsdup(argv[2]); |
| 724 | transfer->path = swcsdup(argv[3]); |
| 725 | transfer->dir = TRNSD_DOWN; |
| 726 | transfer->owner = data->uid; |
| 727 | if(fn != NULL) |
| 728 | { |
| 729 | transfer->fn = fn; |
| 730 | getfnetnode(fn); |
| 731 | linktransfer(transfer); |
| 732 | if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL)) |
| 733 | transfersetnick(transfer, peer->nick); |
| 734 | } else { |
| 735 | linktransfer(transfer); |
| 736 | } |
| 737 | if(argc > 4) |
| 738 | transfersetsize(transfer, wcstol(argv[4], NULL, 0)); |
| 739 | if(argc > 5) |
| 740 | { |
| 741 | for(i = 5; i < argc; i += 2) |
| 742 | transferaddarg(transfer, argv[i], argv[i + 1]); |
| 743 | } |
| 744 | sq(sk, 0, L"200", L"%%i", transfer->id, L"Download queued", NULL); |
| 745 | transfersetactivity(transfer, L"create"); |
| 746 | } |
| 747 | |
| 748 | static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 749 | { |
| 750 | struct transfer *transfer, *pt; |
| 751 | |
| 752 | havepriv(PERM_TRANS); |
| 753 | pt = NULL; |
| 754 | for(transfer = transfers; transfer != NULL; transfer = transfer->next) |
| 755 | { |
| 756 | if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid)) |
| 757 | { |
| 758 | if(pt != NULL) |
| 759 | sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->dir, |
| 760 | L"%%i", pt->state, pt->peerid, |
| 761 | (pt->peernick == NULL)?L"":(pt->peernick), |
| 762 | (pt->path == NULL)?L"":(pt->path), |
| 763 | L"%%i", pt->size, L"%%i", pt->curpos, |
| 764 | NULL); |
| 765 | pt = transfer; |
| 766 | } |
| 767 | } |
| 768 | if(pt == NULL) |
| 769 | sq(sk, 0, L"201", L"No transfers", NULL); |
| 770 | else |
| 771 | sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->dir, |
| 772 | L"%%i", pt->state, pt->peerid, |
| 773 | (pt->peernick == NULL)?L"":(pt->peernick), |
| 774 | (pt->path == NULL)?L"":(pt->path), |
| 775 | L"%%i", pt->size, L"%%i", pt->curpos, |
| 776 | NULL); |
| 777 | } |
| 778 | |
| 779 | static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 780 | { |
| 781 | struct transfer *transfer; |
| 782 | |
| 783 | haveargs(2); |
| 784 | havepriv(PERM_TRANS); |
| 785 | if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL) |
| 786 | { |
| 787 | sq(sk, 0, L"512", L"No such transfer", NULL); |
| 788 | return; |
| 789 | } |
| 790 | if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU)) |
| 791 | { |
| 792 | sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL); |
| 793 | return; |
| 794 | } |
| 795 | if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid)) |
| 796 | { |
| 797 | sq(sk, 0, L"502", L"You do not own that transfer", NULL); |
| 798 | return; |
| 799 | } |
| 800 | transfer->close = 1; |
| 801 | sq(sk, 0, L"200", L"Transfer cancelled", NULL); |
| 802 | } |
| 803 | |
| 804 | static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 805 | { |
| 806 | int i, val; |
| 807 | |
| 808 | if((argc % 2) != 1) |
| 809 | { |
| 810 | sq(sk, 0, L"501", L"Must have an even number of arguments", NULL); |
| 811 | return; |
| 812 | } |
| 813 | for(i = 1; i < argc; i += 2) |
| 814 | { |
| 815 | if(!wcscasecmp(argv[i + 1], L"on")) |
| 816 | val = 1; |
| 817 | else |
| 818 | val = 0; |
| 819 | if(!wcscasecmp(argv[i], L"all")) |
| 820 | { |
| 821 | if(val) |
| 822 | data->notify.w = ~0; |
| 823 | else |
| 824 | data->notify.w = 0; |
| 825 | } else if(!wcscasecmp(argv[i], L"fn:chat")) { |
| 826 | data->notify.b.fnchat = val; |
| 827 | } else if(!wcscasecmp(argv[i], L"fn:act")) { |
| 828 | data->notify.b.fnact = val; |
| 829 | } else if(!wcscasecmp(argv[i], L"trans:act")) { |
| 830 | data->notify.b.tract = val; |
| 831 | } else if(!wcscasecmp(argv[i], L"trans:prog")) { |
| 832 | data->notify.b.trprog = val; |
| 833 | } else if(!wcscasecmp(argv[i], L"srch:act")) { |
| 834 | data->notify.b.srch = val; |
| 835 | } |
| 836 | } |
| 837 | sq(sk, 0, L"200", L"Notification alteration succeeded", NULL); |
| 838 | } |
| 839 | |
| 840 | static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 841 | { |
| 842 | struct fnetnode *fn; |
| 843 | int public; |
| 844 | |
| 845 | haveargs(5); |
| 846 | havepriv(PERM_CHAT); |
| 847 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) |
| 848 | { |
| 849 | sq(sk, 0, L"510", L"No such node", NULL); |
| 850 | return; |
| 851 | } |
| 852 | public = wcstol(argv[2], NULL, 0); |
| 853 | if((public != 0) && (public != 1)) |
| 854 | { |
| 855 | sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL); |
| 856 | return; |
| 857 | } |
| 858 | if(fn->state != FNN_EST) |
| 859 | { |
| 860 | sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL); |
| 861 | return; |
| 862 | } |
| 863 | if(fnetsendchat(fn, public, argv[3], argv[4])) |
| 864 | { |
| 865 | if(errno == ENOTSUP) |
| 866 | sq(sk, 0, L"513", L"This network does not support chatting", NULL); |
| 867 | else if(errno == EPERM) |
| 868 | sq(sk, 0, L"502", L"This node does not allow you to chat", NULL); |
| 869 | else if(errno == EILSEQ) |
| 870 | sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL); |
| 871 | else |
| 872 | sq(sk, 0, L"505", L"Could not chat", NULL); |
| 873 | return; |
| 874 | } |
| 875 | sq(sk, 0, L"200", L"Chat string sent", NULL); |
| 876 | } |
| 877 | |
| 878 | static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 879 | { |
| 880 | struct search *srch; |
| 881 | struct fnetnode *fn; |
| 882 | struct sexpr *sexpr; |
| 883 | int i; |
| 884 | |
| 885 | haveargs(3); |
| 886 | havepriv(PERM_SRCH); |
| 887 | srch = newsearch(data->username, NULL); |
| 888 | for(i = 1; i < argc; i++) |
| 889 | { |
| 890 | if(!wcscmp(argv[i], L"all")) |
| 891 | { |
| 892 | for(fn = fnetnodes; fn != NULL; fn = fn->next) |
| 893 | { |
| 894 | if(fn->state == FNN_EST) |
| 895 | searchaddfn(srch, fn); |
| 896 | } |
| 897 | i++; |
| 898 | break; |
| 899 | } else if(!wcscmp(argv[i], L"prio")) { |
| 900 | if(++i == argc) |
| 901 | { |
| 902 | sq(sk, 0, L"501", L"No argument to prio", NULL); |
| 903 | freesearch(srch); |
| 904 | return; |
| 905 | } |
| 906 | srch->prio = wcstol(argv[i], NULL, 0); |
| 907 | } else if(iswdigit(*argv[i])) { |
| 908 | if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL) |
| 909 | { |
| 910 | sq(sk, 0, L"510", L"No such node", NULL); |
| 911 | freesearch(srch); |
| 912 | return; |
| 913 | } |
| 914 | searchaddfn(srch, fn); |
| 915 | } else { |
| 916 | break; |
| 917 | } |
| 918 | } |
| 919 | if(srch->fnl == NULL) |
| 920 | { |
| 921 | sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL); |
| 922 | freesearch(srch); |
| 923 | return; |
| 924 | } |
| 925 | if(i == argc) |
| 926 | { |
| 927 | sq(sk, 0, L"501", L"No search expression found on line", NULL); |
| 928 | freesearch(srch); |
| 929 | return; |
| 930 | } |
| 931 | if((sexpr = parsesexpr(argc - i, argv + i)) == NULL) |
| 932 | { |
| 933 | sq(sk, 0, L"509", L"Could not parse search expression", NULL); |
| 934 | freesearch(srch); |
| 935 | return; |
| 936 | } |
| 937 | optsexpr(sexpr); |
| 938 | getsexpr(srch->sexpr = sexpr); |
| 939 | queuesearch(srch); |
| 940 | CBREG(srch, search_eta, srcheta, NULL, NULL); |
| 941 | CBREG(srch, search_commit, srchcommit, NULL, NULL); |
| 942 | CBREG(srch, search_result, srchres, NULL, NULL); |
| 943 | sq(sk, 0, L"200", L"%%i", srch->id, L"%%i", srch->eta - time(NULL), NULL); |
| 944 | putsexpr(sexpr); |
| 945 | } |
| 946 | |
| 947 | static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 948 | { |
| 949 | struct search *srch, *pt; |
| 950 | time_t now; |
| 951 | |
| 952 | havepriv(PERM_SRCH); |
| 953 | pt = NULL; |
| 954 | now = time(NULL); |
| 955 | for(srch = searches; srch != NULL; srch = srch->next) |
| 956 | { |
| 957 | if(!wcscmp(srch->owner, data->username)) |
| 958 | { |
| 959 | if(pt != NULL) |
| 960 | sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL); |
| 961 | pt = srch; |
| 962 | } |
| 963 | } |
| 964 | if(pt == NULL) |
| 965 | sq(sk, 0, L"201", L"No searches", NULL); |
| 966 | else |
| 967 | sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL); |
| 968 | } |
| 969 | |
| 970 | static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 971 | { |
| 972 | struct search *srch; |
| 973 | struct srchres *sr; |
| 974 | wchar_t buf[64]; |
| 975 | |
| 976 | haveargs(2); |
| 977 | havepriv(PERM_SRCH); |
| 978 | if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL) |
| 979 | { |
| 980 | sq(sk, 0, L"514", L"No such search", NULL); |
| 981 | return; |
| 982 | } |
| 983 | if(srch->results == NULL) |
| 984 | { |
| 985 | sq(sk, 0, L"201", L"No results", NULL); |
| 986 | } else { |
| 987 | for(sr = srch->results; sr != NULL; sr = sr->next) |
| 988 | { |
| 989 | swprintf(buf, 64, L"%f", sr->time); |
| 990 | sq(sk, (sr->next != NULL)?1:0, L"200", L"%%ls", sr->filename, sr->fnet->name, L"%%ls", sr->peerid, L"%%i", sr->size, L"%%i", sr->slots, L"%%i", (sr->fn == NULL)?-1:(sr->fn->id), buf, NULL); |
| 991 | } |
| 992 | } |
| 993 | } |
| 994 | |
| 995 | static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 996 | { |
| 997 | struct search *srch; |
| 998 | int i; |
| 999 | |
| 1000 | haveargs(2); |
| 1001 | havepriv(PERM_SRCH); |
| 1002 | /* Note - Programmatical user interfaces must only give one |
| 1003 | * argument per command, the multiple argument form is only for |
| 1004 | * convenience when manually controlling the daemon via |
| 1005 | * eg. telnet. The reason is that the return codes aren't clear |
| 1006 | * enough for the multiple argument form. */ |
| 1007 | for(i = 1; i < argc; i++) |
| 1008 | { |
| 1009 | if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL) |
| 1010 | { |
| 1011 | sq(sk, 0, L"514", L"No such search", NULL); |
| 1012 | return; |
| 1013 | } |
| 1014 | freesearch(srch); |
| 1015 | } |
| 1016 | sq(sk, 0, L"200", L"Search cancelled", NULL); |
| 1017 | } |
| 1018 | |
| 1019 | static void fcmdread(struct socket *sk, struct uidata *data) |
| 1020 | { |
| 1021 | char *buf; |
| 1022 | size_t bufsize; |
| 1023 | |
| 1024 | if((buf = sockgetinbuf(sk, &bufsize)) == NULL) |
| 1025 | return; |
| 1026 | bufcat(data->fcmdbuf, buf, bufsize); |
| 1027 | free(buf); |
| 1028 | } |
| 1029 | |
| 1030 | static void fcmderr(struct socket *sk, int err, struct uidata *data) |
| 1031 | { |
| 1032 | wchar_t *wbuf, *p, *p2; |
| 1033 | |
| 1034 | if(err) |
| 1035 | { |
| 1036 | flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err)); |
| 1037 | kill(-data->fcmdpid, SIGHUP); |
| 1038 | putsock(data->fcmdsk); |
| 1039 | data->fcmdsk = NULL; |
| 1040 | if(data->fcmdbuf != NULL) |
| 1041 | { |
| 1042 | free(data->fcmdbuf); |
| 1043 | data->fcmdbuf = NULL; |
| 1044 | } |
| 1045 | data->fcmdbufsize = data->fcmdbufdata = 0; |
| 1046 | sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%%s", strerror(err), NULL); |
| 1047 | return; |
| 1048 | } |
| 1049 | putsock(data->fcmdsk); |
| 1050 | data->fcmdsk = NULL; |
| 1051 | data->fcmdpid = 0; |
| 1052 | if(data->fcmdbuf == NULL) |
| 1053 | { |
| 1054 | wbuf = swcsdup(L""); |
| 1055 | } else { |
| 1056 | addtobuf(data->fcmdbuf, 0); |
| 1057 | wbuf = icmbstowcs(data->fcmdbuf, NULL); |
| 1058 | free(data->fcmdbuf); |
| 1059 | } |
| 1060 | data->fcmdbuf = NULL; |
| 1061 | data->fcmdbufsize = data->fcmdbufdata = 0; |
| 1062 | if(wbuf == NULL) |
| 1063 | { |
| 1064 | sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL); |
| 1065 | return; |
| 1066 | } |
| 1067 | p = wbuf; |
| 1068 | for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n')) |
| 1069 | { |
| 1070 | *(p2++) = L'\0'; |
| 1071 | sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%%ls", p, NULL); |
| 1072 | p = p2; |
| 1073 | } |
| 1074 | if(*p == L'\0') |
| 1075 | { |
| 1076 | if(p == wbuf) |
| 1077 | sq(data->sk, 0, L"201", L"No data returned", NULL); |
| 1078 | } else { |
| 1079 | sq(data->sk, 0, L"200", L"%%ls", p, NULL); |
| 1080 | } |
| 1081 | free(wbuf); |
| 1082 | } |
| 1083 | |
| 1084 | static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 1085 | { |
| 1086 | int i; |
| 1087 | pid_t pid; |
| 1088 | int pipe; |
| 1089 | char **cargv, **pp; |
| 1090 | char *filtercmd, *argbuf; |
| 1091 | size_t cargvsize, cargvdata; |
| 1092 | struct passwd *pwent; |
| 1093 | |
| 1094 | haveargs(2); |
| 1095 | havepriv(PERM_TRANS); |
| 1096 | if((pwent = getpwuid(data->uid)) == NULL) |
| 1097 | { |
| 1098 | flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid); |
| 1099 | sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL); |
| 1100 | return; |
| 1101 | } |
| 1102 | if((filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), "dcdl-filtercmd", pwent->pw_dir)) == NULL) |
| 1103 | { |
| 1104 | flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name); |
| 1105 | sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL); |
| 1106 | return; |
| 1107 | } |
| 1108 | cargv = NULL; |
| 1109 | cargvsize = cargvdata = 0; |
| 1110 | addtobuf(cargv, filtercmd); |
| 1111 | for(i = 1; i < argc; i++) |
| 1112 | { |
| 1113 | if((argbuf = icwcstombs(argv[i], NULL)) == NULL) |
| 1114 | { |
| 1115 | for(i = 0; i < cargvdata; i++) |
| 1116 | free(cargv[i]); |
| 1117 | free(cargv); |
| 1118 | sq(sk, 0, L"504", L"%Could not convert argument %i into local character set", i, L"%%s", strerror(errno), NULL); |
| 1119 | return; |
| 1120 | } |
| 1121 | addtobuf(cargv, argbuf); |
| 1122 | } |
| 1123 | addtobuf(cargv, NULL); |
| 1124 | 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) |
| 1125 | { |
| 1126 | flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno)); |
| 1127 | sq(sk, 0, L"505", L"System error - Could not fork session", L"%%s", strerror(errno), NULL); |
| 1128 | return; |
| 1129 | } |
| 1130 | if(pid == 0) |
| 1131 | { |
| 1132 | execv(filtercmd, cargv); |
| 1133 | flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno)); |
| 1134 | exit(127); |
| 1135 | } |
| 1136 | for(pp = cargv; *pp; pp++) |
| 1137 | free(*pp); |
| 1138 | free(cargv); |
| 1139 | data->fcmdsk = wrapsock(pipe); |
| 1140 | data->fcmdpid = pid; |
| 1141 | if(data->fcmdbuf != NULL) |
| 1142 | { |
| 1143 | free(data->fcmdbuf); |
| 1144 | data->fcmdbuf = NULL; |
| 1145 | } |
| 1146 | data->fcmdbufsize = data->fcmdbufdata = 0; |
| 1147 | data->fcmdsk->data = data; |
| 1148 | data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread; |
| 1149 | data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr; |
| 1150 | } |
| 1151 | |
| 1152 | static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 1153 | { |
| 1154 | struct transfer *transfer; |
| 1155 | struct transarg *ta; |
| 1156 | |
| 1157 | haveargs(2); |
| 1158 | havepriv(PERM_TRANS); |
| 1159 | if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL) |
| 1160 | { |
| 1161 | sq(sk, 0, L"512", L"No such transfer", NULL); |
| 1162 | return; |
| 1163 | } |
| 1164 | if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid)) |
| 1165 | { |
| 1166 | sq(sk, 0, L"502", L"You do not own that transfer", NULL); |
| 1167 | return; |
| 1168 | } |
| 1169 | if(transfer->args == NULL) |
| 1170 | { |
| 1171 | sq(sk, 0, L"201", L"Transfer has no arguments", NULL); |
| 1172 | } else { |
| 1173 | for(ta = transfer->args; ta != NULL; ta = ta->next) |
| 1174 | sq(sk, ta->next != NULL, L"200", L"%%ls", ta->rec, L"%%ls", ta->val, NULL); |
| 1175 | } |
| 1176 | } |
| 1177 | |
| 1178 | static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
| 1179 | { |
| 1180 | struct sharecache *node; |
| 1181 | int total, hashed; |
| 1182 | |
| 1183 | total = hashed = 0; |
| 1184 | for(node = shareroot->child; node != NULL; node = nextscnode(node)) |
| 1185 | { |
| 1186 | if(node->f.b.type == FILE_REG) |
| 1187 | { |
| 1188 | total++; |
| 1189 | if(node->f.b.hastth) |
| 1190 | hashed++; |
| 1191 | } |
| 1192 | } |
| 1193 | sq(sk, 0, L"200", L"%%i", total, L"tth", L"%%i", hashed, NULL); |
| 1194 | } |
| 1195 | |
| 1196 | #undef haveargs |
| 1197 | #undef havepriv |
| 1198 | |
| 1199 | /* |
| 1200 | * Reserved command numbers for nameless commands: |
| 1201 | * 0: Issued when a client has connected |
| 1202 | * 1: Issued when a named command couldn't be found |
| 1203 | */ |
| 1204 | |
| 1205 | static struct command commands[] = |
| 1206 | { |
| 1207 | {NULL, cmd_connect}, |
| 1208 | {NULL, cmd_notfound}, |
| 1209 | {L"shutdown", cmd_shutdown}, |
| 1210 | {L"quit", cmd_quit}, |
| 1211 | {L"lsauth", cmd_lsauth}, |
| 1212 | {L"login", cmd_login}, |
| 1213 | {L"pass", cmd_pass}, |
| 1214 | {L"cnct", cmd_fnetconnect}, |
| 1215 | {L"lsnodes", cmd_lsnodes}, |
| 1216 | {L"dcnct", cmd_disconnect}, |
| 1217 | {L"lspa", cmd_lspa}, |
| 1218 | {L"lspeers", cmd_lspeers}, |
| 1219 | {L"download", cmd_download}, |
| 1220 | {L"lstrans", cmd_lstrans}, |
| 1221 | {L"cancel", cmd_cancel}, |
| 1222 | {L"notify", cmd_notify}, |
| 1223 | {L"sendchat", cmd_sendchat}, |
| 1224 | {L"search", cmd_search}, |
| 1225 | {L"lssrch", cmd_lssrch}, |
| 1226 | {L"lssr", cmd_lssr}, |
| 1227 | {L"cansrch", cmd_cansrch}, |
| 1228 | {L"filtercmd", cmd_filtercmd}, |
| 1229 | {L"lstrarg", cmd_lstrarg}, |
| 1230 | {L"hashstatus", cmd_hashstatus}, |
| 1231 | {NULL, NULL} |
| 1232 | }; |
| 1233 | |
| 1234 | static void freequeuecmd(struct qcommand *qcmd) |
| 1235 | { |
| 1236 | int i; |
| 1237 | |
| 1238 | if(qcmd->argv != NULL) |
| 1239 | { |
| 1240 | for(i = 0; i < qcmd->argc; i++) |
| 1241 | free(qcmd->argv[i]); |
| 1242 | free(qcmd->argv); |
| 1243 | } |
| 1244 | free(qcmd); |
| 1245 | } |
| 1246 | |
| 1247 | static struct qcommand *unlinkqcmd(struct uidata *data) |
| 1248 | { |
| 1249 | struct qcommand *qcmd; |
| 1250 | |
| 1251 | qcmd = data->queue; |
| 1252 | if(qcmd != NULL) |
| 1253 | { |
| 1254 | data->queue = qcmd->next; |
| 1255 | if(qcmd == data->queuelast) |
| 1256 | data->queuelast = qcmd->next; |
| 1257 | } |
| 1258 | return(qcmd); |
| 1259 | } |
| 1260 | |
| 1261 | static struct notif *newnotif(struct uidata *data, int code, ...) |
| 1262 | { |
| 1263 | struct notif *notif; |
| 1264 | va_list args; |
| 1265 | int dt, ca; |
| 1266 | |
| 1267 | notif = smalloc(sizeof(*notif)); |
| 1268 | memset(notif, 0, sizeof(*notif)); |
| 1269 | notif->rlimit = 0.0; |
| 1270 | notif->ui = data; |
| 1271 | notif->code = code; |
| 1272 | va_start(args, code); |
| 1273 | while((dt = va_arg(args, int)) != NOTIF_END) |
| 1274 | { |
| 1275 | ca = notif->argc; |
| 1276 | notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc); |
| 1277 | notif->argv[ca].dt = dt; |
| 1278 | switch(dt) |
| 1279 | { |
| 1280 | case NOTIF_INT: |
| 1281 | case NOTIF_ID: |
| 1282 | notif->argv[ca].d.n = va_arg(args, int); |
| 1283 | break; |
| 1284 | case NOTIF_STR: |
| 1285 | notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *)); |
| 1286 | break; |
| 1287 | case NOTIF_FLOAT: |
| 1288 | notif->argv[ca].d.d = va_arg(args, double); |
| 1289 | break; |
| 1290 | } |
| 1291 | } |
| 1292 | va_end(args); |
| 1293 | notif->next = NULL; |
| 1294 | notif->prev = data->lnotif; |
| 1295 | if(data->lnotif != NULL) |
| 1296 | data->lnotif->next = notif; |
| 1297 | else |
| 1298 | data->fnotif = notif; |
| 1299 | data->lnotif = notif; |
| 1300 | return(notif); |
| 1301 | } |
| 1302 | |
| 1303 | static void freenotif(struct notif *notif) |
| 1304 | { |
| 1305 | int i; |
| 1306 | |
| 1307 | if(notif->next != NULL) |
| 1308 | notif->next->prev = notif->prev; |
| 1309 | if(notif->prev != NULL) |
| 1310 | notif->prev->next = notif->next; |
| 1311 | if(notif == notif->ui->fnotif) |
| 1312 | notif->ui->fnotif = notif->next; |
| 1313 | if(notif == notif->ui->lnotif) |
| 1314 | notif->ui->lnotif = notif->prev; |
| 1315 | if(notif->exptimer != NULL) |
| 1316 | canceltimer(notif->exptimer); |
| 1317 | for(i = 0; i < notif->argc; i++) |
| 1318 | { |
| 1319 | if(notif->argv[i].dt == NOTIF_STR) |
| 1320 | free(notif->argv[i].d.s); |
| 1321 | } |
| 1322 | if(notif->argv != NULL) |
| 1323 | free(notif->argv); |
| 1324 | free(notif); |
| 1325 | } |
| 1326 | |
| 1327 | static void notifexpire(int cancelled, struct notif *notif) |
| 1328 | { |
| 1329 | notif->exptimer = NULL; |
| 1330 | if(!cancelled) |
| 1331 | freenotif(notif); |
| 1332 | } |
| 1333 | |
| 1334 | static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id) |
| 1335 | { |
| 1336 | int i, cont; |
| 1337 | |
| 1338 | for(; notif != NULL; notif = (dir?notif->next:notif->prev)) |
| 1339 | { |
| 1340 | if((notif->code == code) && ((state < 0) || (state == notif->state))) |
| 1341 | { |
| 1342 | cont = 0; |
| 1343 | if(id >= 0) |
| 1344 | { |
| 1345 | for(i = 0; i < notif->argc; i++) |
| 1346 | { |
| 1347 | if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id)) |
| 1348 | { |
| 1349 | cont = 1; |
| 1350 | break; |
| 1351 | } |
| 1352 | } |
| 1353 | } |
| 1354 | if(cont) |
| 1355 | continue; |
| 1356 | break; |
| 1357 | } |
| 1358 | } |
| 1359 | return(notif); |
| 1360 | } |
| 1361 | |
| 1362 | static void freeuidata(struct uidata *data) |
| 1363 | { |
| 1364 | int i; |
| 1365 | struct qcommand *qcmd; |
| 1366 | |
| 1367 | if(data->next != NULL) |
| 1368 | data->next->prev = data->prev; |
| 1369 | if(data->prev != NULL) |
| 1370 | data->prev->next = data->next; |
| 1371 | if(data == actives) |
| 1372 | actives = data->next; |
| 1373 | data->sk->readcb = NULL; |
| 1374 | data->sk->errcb = NULL; |
| 1375 | putsock(data->sk); |
| 1376 | while((qcmd = unlinkqcmd(data)) != NULL) |
| 1377 | freequeuecmd(qcmd); |
| 1378 | iconv_close(data->ichandle); |
| 1379 | if(data->cw != NULL) |
| 1380 | free(data->cw); |
| 1381 | if(data->cb != NULL) |
| 1382 | free(data->cb); |
| 1383 | if(data->argv != NULL) |
| 1384 | { |
| 1385 | for(i = 0; i < data->argc; i++) |
| 1386 | free(data->argv[i]); |
| 1387 | free(data->argv); |
| 1388 | } |
| 1389 | if(data->auth != NULL) |
| 1390 | authputhandle(data->auth); |
| 1391 | if(data->username != NULL) |
| 1392 | { |
| 1393 | if(data->userinfo != NULL) |
| 1394 | flog(LOG_INFO, "%ls logged out", data->username); |
| 1395 | free(data->username); |
| 1396 | } |
| 1397 | free(data->inbuf); |
| 1398 | while(data->fnotif != NULL) |
| 1399 | freenotif(data->fnotif); |
| 1400 | if(data->fcmdbuf != NULL) |
| 1401 | free(data->fcmdbuf); |
| 1402 | if(data->fcmdpid != 0) |
| 1403 | kill(-data->fcmdpid, SIGHUP); |
| 1404 | if(data->fcmdsk != NULL) |
| 1405 | putsock(data->fcmdsk); |
| 1406 | free(data); |
| 1407 | } |
| 1408 | |
| 1409 | static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv) |
| 1410 | { |
| 1411 | struct qcommand *new; |
| 1412 | |
| 1413 | new = smalloc(sizeof(*new)); |
| 1414 | new->cmd = cmd; |
| 1415 | new->argc = argc; |
| 1416 | new->argv = argv; |
| 1417 | new->next = NULL; |
| 1418 | if(data->queuelast != NULL) |
| 1419 | data->queuelast->next = new; |
| 1420 | data->queuelast = new; |
| 1421 | if(data->queue == NULL) |
| 1422 | data->queue = new; |
| 1423 | } |
| 1424 | |
| 1425 | static struct uidata *newuidata(struct socket *sk) |
| 1426 | { |
| 1427 | struct uidata *data; |
| 1428 | |
| 1429 | data = smalloc(sizeof(*data)); |
| 1430 | memset(data, 0, sizeof(*data)); |
| 1431 | data->sk = sk; |
| 1432 | getsock(sk); |
| 1433 | data->inbuf = smalloc(1024); |
| 1434 | data->uid = -1; |
| 1435 | if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1) |
| 1436 | { |
| 1437 | flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno)); |
| 1438 | return(NULL); |
| 1439 | } |
| 1440 | data->next = actives; |
| 1441 | data->prev = NULL; |
| 1442 | if(actives != NULL) |
| 1443 | actives->prev = data; |
| 1444 | actives = data; |
| 1445 | return(data); |
| 1446 | } |
| 1447 | |
| 1448 | static void uiread(struct socket *sk, struct uidata *data) |
| 1449 | { |
| 1450 | int ret, done; |
| 1451 | char *newbuf; |
| 1452 | char *p1, *p2; |
| 1453 | wchar_t *porig; |
| 1454 | size_t datalen, len2; |
| 1455 | struct command *cur; |
| 1456 | |
| 1457 | if(data->indata > 1024) |
| 1458 | data->indata = 0; |
| 1459 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) |
| 1460 | return; |
| 1461 | sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1); |
| 1462 | memcpy(data->inbuf + data->indata, newbuf, datalen); |
| 1463 | free(newbuf); |
| 1464 | data->indata += datalen; |
| 1465 | if(data->cb == NULL) |
| 1466 | { |
| 1467 | data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64)); |
| 1468 | data->cbdata = 0; |
| 1469 | data->pp = data->cb; |
| 1470 | } |
| 1471 | done = 0; |
| 1472 | while(!done) |
| 1473 | { |
| 1474 | if(data->cbsize == data->cbdata) |
| 1475 | { |
| 1476 | len2 = data->pp - data->cb; |
| 1477 | data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2)); |
| 1478 | data->pp = data->cb + len2; |
| 1479 | } |
| 1480 | p1 = data->inbuf; |
| 1481 | p2 = (char *)(porig = (data->cb + data->cbdata)); |
| 1482 | len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata); |
| 1483 | ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2); |
| 1484 | memmove(data->inbuf, p1, data->indata); |
| 1485 | /* Just a sanity check */ |
| 1486 | if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0) |
| 1487 | { |
| 1488 | flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!"); |
| 1489 | abort(); |
| 1490 | } |
| 1491 | data->cbdata += (((wchar_t *)p2) - porig); |
| 1492 | if(ret < 0) |
| 1493 | { |
| 1494 | switch(errno) |
| 1495 | { |
| 1496 | case EILSEQ: |
| 1497 | /* XXX: Should this really just ignore it? */ |
| 1498 | data->indata = 0; |
| 1499 | done = 1; |
| 1500 | break; |
| 1501 | case EINVAL: |
| 1502 | done = 1; |
| 1503 | break; |
| 1504 | case E2BIG: |
| 1505 | /* Just a sanity check */ |
| 1506 | if(data->cbsize != data->cbdata) |
| 1507 | { |
| 1508 | flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!"); |
| 1509 | abort(); |
| 1510 | } |
| 1511 | break; |
| 1512 | default: |
| 1513 | flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno)); |
| 1514 | break; |
| 1515 | } |
| 1516 | } else { |
| 1517 | done = 1; |
| 1518 | } |
| 1519 | } |
| 1520 | done = 0; |
| 1521 | while(!done && (data->pp - data->cb < data->cbdata)) |
| 1522 | { |
| 1523 | switch(data->ps) |
| 1524 | { |
| 1525 | case 0: |
| 1526 | if(iswspace(*data->pp)) |
| 1527 | { |
| 1528 | if(*data->pp == L'\r') |
| 1529 | { |
| 1530 | if(data->pp == data->cb + data->cbdata - 1) |
| 1531 | { |
| 1532 | done = 1; |
| 1533 | break; |
| 1534 | } |
| 1535 | if(*(++data->pp) == L'\n') |
| 1536 | { |
| 1537 | if((data->argv != NULL) && (data->argv[0] != NULL)) |
| 1538 | { |
| 1539 | for(cur = commands; cur->handler != NULL; cur++) |
| 1540 | { |
| 1541 | if(cur->name == NULL) |
| 1542 | continue; |
| 1543 | if(!wcscasecmp(cur->name, data->argv[0])) |
| 1544 | { |
| 1545 | queuecmd(data, cur, data->argc, data->argv); |
| 1546 | break; |
| 1547 | } |
| 1548 | } |
| 1549 | if(cur->handler == NULL) |
| 1550 | queuecmd(data, &commands[1], data->argc, data->argv); |
| 1551 | } else { |
| 1552 | queuecmd(data, &commands[1], data->argc, data->argv); |
| 1553 | } |
| 1554 | data->argv = NULL; |
| 1555 | data->args = 0; |
| 1556 | data->argc = 0; |
| 1557 | wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb)); |
| 1558 | data->pp = data->cb; |
| 1559 | } else { |
| 1560 | data->pp++; |
| 1561 | } |
| 1562 | } else { |
| 1563 | data->pp++; |
| 1564 | } |
| 1565 | } else { |
| 1566 | data->ps = 1; |
| 1567 | data->cwdata = 0; |
| 1568 | } |
| 1569 | break; |
| 1570 | case 1: |
| 1571 | if(iswspace(*data->pp)) |
| 1572 | { |
| 1573 | addtobuf(data->cw, L'\0'); |
| 1574 | sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1); |
| 1575 | data->argv[data->argc++] = data->cw; |
| 1576 | data->cw = NULL; |
| 1577 | data->cwsize = 0; |
| 1578 | data->cwdata = 0; |
| 1579 | data->ps = 0; |
| 1580 | } else if(*data->pp == L'\"') { |
| 1581 | data->ps = 2; |
| 1582 | data->pp++; |
| 1583 | } else if(*data->pp == L'\\') { |
| 1584 | if(data->pp == data->cb + data->cbdata - 1) |
| 1585 | { |
| 1586 | done = 1; |
| 1587 | break; |
| 1588 | } |
| 1589 | addtobuf(data->cw, *(++data->pp)); |
| 1590 | data->pp++; |
| 1591 | } else { |
| 1592 | addtobuf(data->cw, *(data->pp++)); |
| 1593 | } |
| 1594 | break; |
| 1595 | case 2: |
| 1596 | if(*data->pp == L'\"') |
| 1597 | { |
| 1598 | data->ps = 1; |
| 1599 | } else if(*data->pp == L'\\') { |
| 1600 | if(data->pp == data->cb + data->cbdata - 1) |
| 1601 | { |
| 1602 | done = 1; |
| 1603 | break; |
| 1604 | } |
| 1605 | addtobuf(data->cw, *(++(data->pp))); |
| 1606 | } else { |
| 1607 | addtobuf(data->cw, *data->pp); |
| 1608 | } |
| 1609 | data->pp++; |
| 1610 | break; |
| 1611 | } |
| 1612 | } |
| 1613 | } |
| 1614 | |
| 1615 | static void uierror(struct socket *sk, int err, struct uidata *data) |
| 1616 | { |
| 1617 | if(err) |
| 1618 | flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err)); |
| 1619 | freeuidata(data); |
| 1620 | } |
| 1621 | |
| 1622 | static void uiaccept(struct socket *sk, struct socket *newsk, void *data) |
| 1623 | { |
| 1624 | struct uidata *uidata; |
| 1625 | |
| 1626 | newsk->data = uidata = newuidata(newsk); |
| 1627 | socksettos(newsk, confgetint("ui", "uitos")); |
| 1628 | if(uidata == NULL) |
| 1629 | return; |
| 1630 | newsk->errcb = (void (*)(struct socket *, int, void *))uierror; |
| 1631 | newsk->readcb = (void (*)(struct socket *, void *))uiread; |
| 1632 | queuecmd(uidata, &commands[0], 0, NULL); |
| 1633 | } |
| 1634 | |
| 1635 | static int srcheta(struct search *srch, void *uudata) |
| 1636 | { |
| 1637 | struct uidata *data; |
| 1638 | |
| 1639 | for(data = actives; data != NULL; data = data->next) |
| 1640 | { |
| 1641 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) |
| 1642 | newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END); |
| 1643 | } |
| 1644 | return(0); |
| 1645 | } |
| 1646 | |
| 1647 | static int srchcommit(struct search *srch, void *uudata) |
| 1648 | { |
| 1649 | struct uidata *data; |
| 1650 | |
| 1651 | for(data = actives; data != NULL; data = data->next) |
| 1652 | { |
| 1653 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) |
| 1654 | newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END); |
| 1655 | } |
| 1656 | return(0); |
| 1657 | } |
| 1658 | |
| 1659 | static int srchres(struct search *srch, struct srchres *sr, void *uudata) |
| 1660 | { |
| 1661 | struct uidata *data; |
| 1662 | |
| 1663 | for(data = actives; data != NULL; data = data->next) |
| 1664 | { |
| 1665 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) |
| 1666 | newnotif(data, 622, NOTIF_ID, srch->id, NOTIF_STR, sr->filename, NOTIF_STR, sr->fnet->name, NOTIF_STR, sr->peerid, NOTIF_INT, sr->size, NOTIF_INT, sr->slots, NOTIF_INT, (sr->fn == NULL)?-1:(sr->fn->id), NOTIF_FLOAT, sr->time, NOTIF_END); |
| 1667 | } |
| 1668 | return(0); |
| 1669 | } |
| 1670 | |
| 1671 | static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata) |
| 1672 | { |
| 1673 | struct uidata *data; |
| 1674 | |
| 1675 | for(data = actives; data != NULL; data = data->next) |
| 1676 | { |
| 1677 | if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat) |
| 1678 | newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END); |
| 1679 | } |
| 1680 | return(0); |
| 1681 | } |
| 1682 | |
| 1683 | static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata) |
| 1684 | { |
| 1685 | struct uidata *data; |
| 1686 | struct notif *notif; |
| 1687 | |
| 1688 | if(!wcscmp(attrib, L"state")) |
| 1689 | { |
| 1690 | for(data = actives; data != NULL; data = data->next) |
| 1691 | { |
| 1692 | if(data->notify.b.fnact) |
| 1693 | newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END); |
| 1694 | } |
| 1695 | } else if(!wcscmp(attrib, L"name")) { |
| 1696 | for(data = actives; data != NULL; data = data->next) |
| 1697 | { |
| 1698 | if(data->notify.b.fnact) |
| 1699 | newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END); |
| 1700 | } |
| 1701 | } else if(!wcscmp(attrib, L"numpeers")) { |
| 1702 | for(data = actives; data != NULL; data = data->next) |
| 1703 | { |
| 1704 | if(data->notify.b.fnact) |
| 1705 | { |
| 1706 | if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL) |
| 1707 | notif->argv[1].d.n = fn->numpeers; |
| 1708 | else |
| 1709 | newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END); |
| 1710 | } |
| 1711 | } |
| 1712 | } |
| 1713 | return(0); |
| 1714 | } |
| 1715 | |
| 1716 | static int fnunlink(struct fnetnode *fn, void *uudata) |
| 1717 | { |
| 1718 | struct uidata *data; |
| 1719 | |
| 1720 | for(data = actives; data != NULL; data = data->next) |
| 1721 | { |
| 1722 | if(data->notify.b.fnact) |
| 1723 | newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END); |
| 1724 | } |
| 1725 | return(0); |
| 1726 | } |
| 1727 | |
| 1728 | static int newfnetnode(struct fnetnode *fn, void *uudata) |
| 1729 | { |
| 1730 | struct uidata *data; |
| 1731 | |
| 1732 | for(data = actives; data != NULL; data = data->next) |
| 1733 | { |
| 1734 | if(data->notify.b.fnact) |
| 1735 | newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END); |
| 1736 | } |
| 1737 | CBREG(fn, fnetnode_ac, fnactive, NULL, NULL); |
| 1738 | CBREG(fn, fnetnode_chat, recvchat, NULL, NULL); |
| 1739 | CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL); |
| 1740 | return(0); |
| 1741 | } |
| 1742 | |
| 1743 | static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata) |
| 1744 | { |
| 1745 | struct uidata *data; |
| 1746 | |
| 1747 | if(!wcscmp(attrib, L"state")) |
| 1748 | { |
| 1749 | for(data = actives; data != NULL; data = data->next) |
| 1750 | { |
| 1751 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 1752 | newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END); |
| 1753 | } |
| 1754 | } else if(!wcscmp(attrib, L"nick")) { |
| 1755 | for(data = actives; data != NULL; data = data->next) |
| 1756 | { |
| 1757 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 1758 | newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END); |
| 1759 | } |
| 1760 | } else if(!wcscmp(attrib, L"size")) { |
| 1761 | for(data = actives; data != NULL; data = data->next) |
| 1762 | { |
| 1763 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 1764 | newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END); |
| 1765 | } |
| 1766 | } else if(!wcscmp(attrib, L"error")) { |
| 1767 | for(data = actives; data != NULL; data = data->next) |
| 1768 | { |
| 1769 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 1770 | newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END); |
| 1771 | } |
| 1772 | } else if(!wcscmp(attrib, L"path")) { |
| 1773 | for(data = actives; data != NULL; data = data->next) |
| 1774 | { |
| 1775 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 1776 | newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END); |
| 1777 | } |
| 1778 | } |
| 1779 | return(0); |
| 1780 | } |
| 1781 | |
| 1782 | static int transferprog(struct transfer *transfer, void *uudata) |
| 1783 | { |
| 1784 | struct uidata *data; |
| 1785 | struct notif *notif; |
| 1786 | |
| 1787 | for(data = actives; data != NULL; data = data->next) |
| 1788 | { |
| 1789 | if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 1790 | { |
| 1791 | if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL) |
| 1792 | notif->argv[1].d.n = transfer->curpos; |
| 1793 | else |
| 1794 | newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5; |
| 1795 | } |
| 1796 | } |
| 1797 | return(0); |
| 1798 | } |
| 1799 | |
| 1800 | static int transferdestroyed(struct transfer *transfer, void *uudata) |
| 1801 | { |
| 1802 | struct uidata *data; |
| 1803 | |
| 1804 | for(data = actives; data != NULL; data = data->next) |
| 1805 | { |
| 1806 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 1807 | newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_END); |
| 1808 | } |
| 1809 | return(0); |
| 1810 | } |
| 1811 | |
| 1812 | static int newtransfernotify(struct transfer *transfer, void *uudata) |
| 1813 | { |
| 1814 | struct uidata *data; |
| 1815 | |
| 1816 | for(data = actives; data != NULL; data = data->next) |
| 1817 | { |
| 1818 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) |
| 1819 | 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); |
| 1820 | } |
| 1821 | CBREG(transfer, trans_ac, transferchattr, NULL, NULL); |
| 1822 | CBREG(transfer, trans_p, transferprog, NULL, NULL); |
| 1823 | CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL); |
| 1824 | return(0); |
| 1825 | } |
| 1826 | |
| 1827 | static struct uiuser *newuser(wchar_t *name, unsigned long perms) |
| 1828 | { |
| 1829 | struct uiuser *new; |
| 1830 | |
| 1831 | new = smalloc(sizeof(*new)); |
| 1832 | new->used = 0; |
| 1833 | new->name = swcsdup(name); |
| 1834 | new->perms = perms; |
| 1835 | new->delete = 0; |
| 1836 | new->next = users; |
| 1837 | new->prev = NULL; |
| 1838 | if(users != NULL) |
| 1839 | users->prev = new; |
| 1840 | users = new; |
| 1841 | return(new); |
| 1842 | } |
| 1843 | |
| 1844 | static void freeuser(struct uiuser *user) |
| 1845 | { |
| 1846 | if(user->next != NULL) |
| 1847 | user->next->prev = user->prev; |
| 1848 | if(user->prev != NULL) |
| 1849 | user->prev->next = user->next; |
| 1850 | if(user == users) |
| 1851 | users = user->next; |
| 1852 | free(user->name); |
| 1853 | free(user); |
| 1854 | } |
| 1855 | |
| 1856 | static int conf_user(int argc, wchar_t **argv) |
| 1857 | { |
| 1858 | int i, perms, permmod; |
| 1859 | struct uiuser *user; |
| 1860 | wchar_t *p; |
| 1861 | |
| 1862 | if(argc < 3) |
| 1863 | { |
| 1864 | flog(LOG_WARNING, "not enough arguments given for user command"); |
| 1865 | return(1); |
| 1866 | } |
| 1867 | perms = 0; |
| 1868 | for(i = 2; i < argc; i++) |
| 1869 | { |
| 1870 | if(!iswalpha(argv[i][0])) |
| 1871 | p = argv[i] + 1; |
| 1872 | else |
| 1873 | p = argv[i]; |
| 1874 | if(!wcscmp(p, L"disallow")) |
| 1875 | permmod = PERM_DISALLOW; |
| 1876 | if(!wcscmp(p, L"admin")) |
| 1877 | permmod = PERM_ADMIN; |
| 1878 | if(!wcscmp(p, L"fnetctl")) |
| 1879 | permmod = PERM_FNETCTL; |
| 1880 | if(!wcscmp(p, L"trans")) |
| 1881 | permmod = PERM_TRANS; |
| 1882 | if(!wcscmp(p, L"transcu")) |
| 1883 | permmod = PERM_TRANSCU; |
| 1884 | if(!wcscmp(p, L"chat")) |
| 1885 | permmod = PERM_CHAT; |
| 1886 | if(!wcscmp(p, L"srch")) |
| 1887 | permmod = PERM_SRCH; |
| 1888 | if(!wcscmp(p, L"all")) |
| 1889 | permmod = ~0; |
| 1890 | if(argv[i][0] == L'-') |
| 1891 | perms &= ~permmod; |
| 1892 | else |
| 1893 | perms |= permmod; |
| 1894 | } |
| 1895 | if((user = finduser(argv[1])) == NULL) |
| 1896 | { |
| 1897 | newuser(argv[1], perms); |
| 1898 | } else { |
| 1899 | user->delete = 0; |
| 1900 | user->perms = perms; |
| 1901 | } |
| 1902 | return(0); |
| 1903 | } |
| 1904 | |
| 1905 | static void preinit(int hup) |
| 1906 | { |
| 1907 | struct uiuser *user; |
| 1908 | |
| 1909 | if(!hup) |
| 1910 | { |
| 1911 | newuser(L"default", 0); |
| 1912 | } else { |
| 1913 | for(user = users; user != NULL; user = user->next) |
| 1914 | { |
| 1915 | if(!wcscmp(user->name, L"default")) |
| 1916 | user->delete = 1; |
| 1917 | } |
| 1918 | } |
| 1919 | } |
| 1920 | |
| 1921 | #ifdef HAVE_IPV6 |
| 1922 | static struct sockaddr *getnameforport(int port, socklen_t *len) |
| 1923 | { |
| 1924 | static struct sockaddr_in6 addr; |
| 1925 | |
| 1926 | memset(&addr, 0, sizeof(addr)); |
| 1927 | addr.sin6_family = AF_INET6; |
| 1928 | addr.sin6_port = htons(port); |
| 1929 | addr.sin6_addr = in6addr_any; |
| 1930 | if(len != NULL) |
| 1931 | *len = sizeof(addr); |
| 1932 | return((struct sockaddr *)&addr); |
| 1933 | } |
| 1934 | #else |
| 1935 | static struct sockaddr *getnameforport(int port, socklen_t *len) |
| 1936 | { |
| 1937 | static struct sockaddr_in addr; |
| 1938 | |
| 1939 | memset(&addr, 0, sizeof(addr)); |
| 1940 | addr.sin_family = AF_INET; |
| 1941 | addr.sin_port = htons(port); |
| 1942 | if(len != NULL) |
| 1943 | *len = sizeof(addr); |
| 1944 | return((struct sockaddr *)&addr); |
| 1945 | } |
| 1946 | #endif |
| 1947 | |
| 1948 | static int portupdate(struct configvar *var, void *uudata) |
| 1949 | { |
| 1950 | struct sockaddr *addr; |
| 1951 | socklen_t addrlen; |
| 1952 | struct socket *newsock; |
| 1953 | |
| 1954 | addr = getnameforport(var->val.num, &addrlen); |
| 1955 | if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL) |
| 1956 | { |
| 1957 | flog(LOG_WARNING, "could not create new UI socket, reverting to old: %s", strerror(errno)); |
| 1958 | return(0); |
| 1959 | } |
| 1960 | if(uisocket != NULL) |
| 1961 | putsock(uisocket); |
| 1962 | uisocket = newsock; |
| 1963 | return(0); |
| 1964 | } |
| 1965 | |
| 1966 | static int init(int hup) |
| 1967 | { |
| 1968 | struct sockaddr *addr; |
| 1969 | socklen_t addrlen; |
| 1970 | struct uiuser *user, *next; |
| 1971 | |
| 1972 | if(hup) |
| 1973 | { |
| 1974 | for(user = users; user != NULL; user = next) |
| 1975 | { |
| 1976 | next = user->next; |
| 1977 | if(user->delete) |
| 1978 | freeuser(user); |
| 1979 | } |
| 1980 | } |
| 1981 | if(!hup) |
| 1982 | { |
| 1983 | if(uisocket != NULL) |
| 1984 | putsock(uisocket); |
| 1985 | addr = getnameforport(confgetint("ui", "port"), &addrlen); |
| 1986 | if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL) |
| 1987 | { |
| 1988 | flog(LOG_CRIT, "could not create UI socket: %s", strerror(errno)); |
| 1989 | return(1); |
| 1990 | } |
| 1991 | CBREG(confgetvar("ui", "port"), conf_update, portupdate, NULL, NULL); |
| 1992 | GCBREG(newfncb, newfnetnode, NULL); |
| 1993 | GCBREG(newtransfercb, newtransfernotify, NULL); |
| 1994 | } |
| 1995 | return(0); |
| 1996 | } |
| 1997 | |
| 1998 | static int run(void) |
| 1999 | { |
| 2000 | int i, id; |
| 2001 | struct uidata *data, *next; |
| 2002 | struct qcommand *qcmd; |
| 2003 | struct notif *notif, *nnotif; |
| 2004 | wchar_t buf[64]; |
| 2005 | |
| 2006 | for(data = actives; data != NULL; data = next) |
| 2007 | { |
| 2008 | next = data->next; |
| 2009 | if(data->close) |
| 2010 | freeuidata(data); |
| 2011 | } |
| 2012 | for(data = actives; data != NULL; data = data->next) |
| 2013 | { |
| 2014 | for(notif = data->fnotif; notif != NULL; notif = nnotif) |
| 2015 | { |
| 2016 | nnotif = notif->next; |
| 2017 | if(notif->state == NOTIF_WAIT) |
| 2018 | continue; |
| 2019 | id = -1; |
| 2020 | for(i = 0; i < notif->argc; i++) |
| 2021 | { |
| 2022 | if(notif->argv[i].dt == NOTIF_ID) |
| 2023 | { |
| 2024 | id = notif->argv[i].d.n; |
| 2025 | break; |
| 2026 | } |
| 2027 | } |
| 2028 | if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL) |
| 2029 | continue; |
| 2030 | sq(data->sk, 2, L"%%i", notif->code, NULL); |
| 2031 | for(i = 0; i < notif->argc; i++) |
| 2032 | { |
| 2033 | switch(notif->argv[i].dt) |
| 2034 | { |
| 2035 | case NOTIF_INT: |
| 2036 | case NOTIF_ID: |
| 2037 | sq(data->sk, 2, L"%%i", notif->argv[i].d.n, NULL); |
| 2038 | break; |
| 2039 | case NOTIF_STR: |
| 2040 | if(notif->argv[i].d.s[0] == L'%') |
| 2041 | sq(data->sk, 2, L"%%s", notif->argv[i].d.s, NULL); |
| 2042 | else |
| 2043 | sq(data->sk, 2, notif->argv[i].d.s, NULL); |
| 2044 | break; |
| 2045 | case NOTIF_FLOAT: |
| 2046 | swprintf(buf, 64, L"%f", notif->argv[i].d.d); |
| 2047 | sq(data->sk, 2, buf, NULL); |
| 2048 | break; |
| 2049 | } |
| 2050 | } |
| 2051 | sq(data->sk, 0, NULL); |
| 2052 | if(notif->rlimit != 0) |
| 2053 | { |
| 2054 | notif->state = NOTIF_WAIT; |
| 2055 | notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif); |
| 2056 | } else { |
| 2057 | freenotif(notif); |
| 2058 | } |
| 2059 | } |
| 2060 | if((qcmd = unlinkqcmd(data)) != NULL) |
| 2061 | { |
| 2062 | qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv); |
| 2063 | freequeuecmd(qcmd); |
| 2064 | return(1); |
| 2065 | } |
| 2066 | } |
| 2067 | return(0); |
| 2068 | } |
| 2069 | |
| 2070 | static void terminate(void) |
| 2071 | { |
| 2072 | while(users != NULL) |
| 2073 | freeuser(users); |
| 2074 | } |
| 2075 | |
| 2076 | static struct configvar myvars[] = |
| 2077 | { |
| 2078 | {CONF_VAR_BOOL, "onlylocal", {.num = 1}}, |
| 2079 | {CONF_VAR_INT, "port", {.num = 1500}}, |
| 2080 | {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}}, |
| 2081 | {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}}, |
| 2082 | {CONF_VAR_END} |
| 2083 | }; |
| 2084 | |
| 2085 | static struct configcmd mycmds[] = |
| 2086 | { |
| 2087 | {"user", conf_user}, |
| 2088 | {NULL} |
| 2089 | }; |
| 2090 | |
| 2091 | static struct module me = |
| 2092 | { |
| 2093 | .name = "ui", |
| 2094 | .conf = |
| 2095 | { |
| 2096 | .vars = myvars, |
| 2097 | .cmds = mycmds |
| 2098 | }, |
| 2099 | .preinit = preinit, |
| 2100 | .init = init, |
| 2101 | .run = run, |
| 2102 | .terminate = terminate |
| 2103 | }; |
| 2104 | |
| 2105 | MODULE(me) |
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