| 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 | |
| 20 | #include <unistd.h> |
| 21 | #include <wchar.h> |
| 22 | #include <wctype.h> |
| 23 | #include <pwd.h> |
| 24 | #include <string.h> |
| 25 | #include <malloc.h> |
| 26 | #include <stdio.h> |
| 27 | |
| 28 | #ifdef HAVE_CONFIG_H |
| 29 | #include <config.h> |
| 30 | #endif |
| 31 | #include <doldaconnect/uilib.h> |
| 32 | #include <doldaconnect/uimisc.h> |
| 33 | #include <doldaconnect/utils.h> |
| 34 | |
| 35 | #ifdef HAVE_KRB5 |
| 36 | #include <krb5.h> |
| 37 | #include <com_err.h> |
| 38 | #endif |
| 39 | |
| 40 | struct logindata; |
| 41 | |
| 42 | struct authmech |
| 43 | { |
| 44 | wchar_t *name; |
| 45 | void (*process)(struct dc_response *resp, struct logindata *data); |
| 46 | int (*init)(struct logindata *data); |
| 47 | void (*release)(struct logindata *data); |
| 48 | }; |
| 49 | |
| 50 | struct logindata |
| 51 | { |
| 52 | int (*conv)(int type, wchar_t *text, char **resp, void *data); |
| 53 | void (*callback)(int err, wchar_t *reason, void *data); |
| 54 | char *username; |
| 55 | int freeusername; |
| 56 | int useauthless; |
| 57 | void *data; |
| 58 | void *mechdata; |
| 59 | struct authmech *mech; |
| 60 | }; |
| 61 | |
| 62 | struct gencbdata |
| 63 | { |
| 64 | void (*callback)(int resp, void *data); |
| 65 | void *data; |
| 66 | }; |
| 67 | |
| 68 | struct dc_fnetnode *dc_fnetnodes = NULL; |
| 69 | struct dc_transfer *dc_transfers = NULL; |
| 70 | |
| 71 | static void freelogindata(struct logindata *data) |
| 72 | { |
| 73 | if((data->mech != NULL) && (data->mech->release != NULL)) |
| 74 | data->mech->release(data); |
| 75 | if(data->freeusername) |
| 76 | free(data->username); |
| 77 | free(data); |
| 78 | } |
| 79 | |
| 80 | static int logincallback(struct dc_response *resp); |
| 81 | |
| 82 | static void process_authless(struct dc_response *resp, struct logindata *data) |
| 83 | { |
| 84 | switch(resp->code) |
| 85 | { |
| 86 | case 200: |
| 87 | data->callback(DC_LOGIN_ERR_SUCCESS, NULL, data->data); |
| 88 | freelogindata(data); |
| 89 | break; |
| 90 | /* |
| 91 | case 303: |
| 92 | case 304: |
| 93 | if((ires = dc_interpret(resp)) != NULL) |
| 94 | { |
| 95 | buf = NULL; |
| 96 | if(data->conv((resp->code == 303)?DC_LOGIN_CONV_INFO:DC_LOGIN_CONV_ERROR, ires->argv[0].val.str, &buf, data->data)) |
| 97 | { |
| 98 | data->callback(DC_LOGIN_ERR_CONV, NULL, data->data); |
| 99 | freelogindata(data); |
| 100 | } else { |
| 101 | dc_queuecmd(logincallback, data, L"pass", L"", NULL); |
| 102 | } |
| 103 | if(buf != NULL) |
| 104 | { |
| 105 | memset(buf, 0, strlen(buf)); |
| 106 | free(buf); |
| 107 | } |
| 108 | dc_freeires(ires); |
| 109 | } |
| 110 | break; |
| 111 | */ |
| 112 | case 505: |
| 113 | data->callback(DC_LOGIN_ERR_SERVER, NULL, data->data); |
| 114 | freelogindata(data); |
| 115 | break; |
| 116 | case 506: |
| 117 | data->callback(DC_LOGIN_ERR_AUTHFAIL, NULL, data->data); |
| 118 | freelogindata(data); |
| 119 | break; |
| 120 | default: |
| 121 | data->callback(DC_LOGIN_ERR_USER, NULL, data->data); |
| 122 | freelogindata(data); |
| 123 | break; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | static void process_pam(struct dc_response *resp, struct logindata *data) |
| 128 | { |
| 129 | struct dc_intresp *ires; |
| 130 | int convtype; |
| 131 | char *buf; |
| 132 | |
| 133 | switch(resp->code) |
| 134 | { |
| 135 | case 200: |
| 136 | data->callback(DC_LOGIN_ERR_SUCCESS, NULL, data->data); |
| 137 | freelogindata(data); |
| 138 | break; |
| 139 | case 301: |
| 140 | case 302: |
| 141 | case 303: |
| 142 | case 304: |
| 143 | if(resp->code == 301) |
| 144 | convtype = DC_LOGIN_CONV_NOECHO; |
| 145 | else if(resp->code == 302) |
| 146 | convtype = DC_LOGIN_CONV_ECHO; |
| 147 | else if(resp->code == 303) |
| 148 | convtype = DC_LOGIN_CONV_INFO; |
| 149 | else if(resp->code == 304) |
| 150 | convtype = DC_LOGIN_CONV_ERROR; |
| 151 | if((ires = dc_interpret(resp)) != NULL) |
| 152 | { |
| 153 | buf = NULL; |
| 154 | if(data->conv(convtype, ires->argv[0].val.str, &buf, data->data)) |
| 155 | { |
| 156 | data->callback(DC_LOGIN_ERR_CONV, NULL, data->data); |
| 157 | freelogindata(data); |
| 158 | } else { |
| 159 | dc_queuecmd(logincallback, data, L"pass", L"%%s", buf, NULL); |
| 160 | } |
| 161 | if(buf != NULL) |
| 162 | { |
| 163 | memset(buf, 0, strlen(buf)); |
| 164 | free(buf); |
| 165 | } |
| 166 | dc_freeires(ires); |
| 167 | } |
| 168 | break; |
| 169 | case 505: |
| 170 | data->callback(DC_LOGIN_ERR_SERVER, NULL, data->data); |
| 171 | freelogindata(data); |
| 172 | break; |
| 173 | case 506: |
| 174 | data->callback(DC_LOGIN_ERR_AUTHFAIL, NULL, data->data); |
| 175 | freelogindata(data); |
| 176 | break; |
| 177 | default: |
| 178 | data->callback(DC_LOGIN_ERR_USER, NULL, data->data); |
| 179 | freelogindata(data); |
| 180 | break; |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | #ifdef HAVE_KRB5 |
| 185 | struct krb5data |
| 186 | { |
| 187 | int state; |
| 188 | krb5_context context; |
| 189 | krb5_principal sprinc, myprinc; |
| 190 | krb5_ccache ccache; |
| 191 | krb5_auth_context authcon; |
| 192 | krb5_data reqbuf; |
| 193 | krb5_creds *servcreds; |
| 194 | int valid, fwd, fwded; |
| 195 | }; |
| 196 | |
| 197 | static char *hexencode(char *data, size_t datalen) |
| 198 | { |
| 199 | char *buf, this; |
| 200 | size_t bufsize, bufdata; |
| 201 | int dig; |
| 202 | |
| 203 | buf = NULL; |
| 204 | bufsize = bufdata = 0; |
| 205 | for(; datalen > 0; datalen--, data++) |
| 206 | { |
| 207 | dig = (*data & 0xF0) >> 4; |
| 208 | if(dig > 9) |
| 209 | this = 'A' + dig - 10; |
| 210 | else |
| 211 | this = dig + '0'; |
| 212 | addtobuf(buf, this); |
| 213 | dig = *data & 0x0F; |
| 214 | if(dig > 9) |
| 215 | this = 'A' + dig - 10; |
| 216 | else |
| 217 | this = dig + '0'; |
| 218 | addtobuf(buf, this); |
| 219 | } |
| 220 | addtobuf(buf, 0); |
| 221 | return(buf); |
| 222 | } |
| 223 | |
| 224 | static char *hexdecode(char *data, size_t *len) |
| 225 | { |
| 226 | char *buf, this; |
| 227 | size_t bufsize, bufdata; |
| 228 | |
| 229 | buf = NULL; |
| 230 | bufsize = bufdata = 0; |
| 231 | for(; *data; data++) |
| 232 | { |
| 233 | if((*data >= 'A') && (*data <= 'F')) |
| 234 | { |
| 235 | this = (this & 0x0F) | ((*data - 'A' + 10) << 4); |
| 236 | } else if((*data >= '0') && (*data <= '9')) { |
| 237 | this = (this & 0x0F) | ((*data - '0') << 4); |
| 238 | } else { |
| 239 | if(buf != NULL) |
| 240 | free(buf); |
| 241 | return(NULL); |
| 242 | } |
| 243 | data++; |
| 244 | if(!*data) |
| 245 | { |
| 246 | if(buf != NULL) |
| 247 | free(buf); |
| 248 | return(NULL); |
| 249 | } |
| 250 | if((*data >= 'A') && (*data <= 'F')) |
| 251 | { |
| 252 | this = (this & 0xF0) | (*data - 'A' + 10); |
| 253 | } else if((*data >= '0') && (*data <= '9')) { |
| 254 | this = (this & 0xF0) | (*data - '0'); |
| 255 | } else { |
| 256 | if(buf != NULL) |
| 257 | free(buf); |
| 258 | return(NULL); |
| 259 | } |
| 260 | addtobuf(buf, this); |
| 261 | } |
| 262 | addtobuf(buf, 0); |
| 263 | if(len != NULL) |
| 264 | *len = bufdata - 1; |
| 265 | return(buf); |
| 266 | } |
| 267 | |
| 268 | static void process_krb5(struct dc_response *resp, struct logindata *data) |
| 269 | { |
| 270 | int ret; |
| 271 | struct dc_intresp *ires; |
| 272 | struct krb5data *krb; |
| 273 | krb5_data k5d; |
| 274 | krb5_ap_rep_enc_part *repl; |
| 275 | char *buf; |
| 276 | |
| 277 | krb = data->mechdata; |
| 278 | switch(resp->code) |
| 279 | { |
| 280 | case 200: |
| 281 | data->callback(DC_LOGIN_ERR_SUCCESS, NULL, data->data); |
| 282 | freelogindata(data); |
| 283 | break; |
| 284 | case 300: |
| 285 | switch(krb->state) |
| 286 | { |
| 287 | case 0: |
| 288 | buf = hexencode(krb->reqbuf.data, krb->reqbuf.length); |
| 289 | dc_queuecmd(logincallback, data, L"pass", L"%%s", buf, NULL); |
| 290 | free(buf); |
| 291 | krb->state = 1; |
| 292 | break; |
| 293 | case 1: |
| 294 | if((ires = dc_interpret(resp)) != NULL) |
| 295 | { |
| 296 | k5d.data = hexdecode(icswcstombs(ires->argv[0].val.str, NULL, NULL), &k5d.length); |
| 297 | if(!krb->valid) |
| 298 | { |
| 299 | if((ret = krb5_rd_rep(krb->context, krb->authcon, &k5d, &repl)) != 0) |
| 300 | { |
| 301 | data->callback(DC_LOGIN_ERR_SERVER, NULL, data->data); |
| 302 | freelogindata(data); |
| 303 | break; |
| 304 | } |
| 305 | /* XXX: Do I need to do something with this? */ |
| 306 | krb->valid = 1; |
| 307 | krb5_free_ap_rep_enc_part(krb->context, repl); |
| 308 | } |
| 309 | if(krb->fwd && !krb->fwded) |
| 310 | { |
| 311 | if(krb->reqbuf.data != NULL) |
| 312 | free(krb->reqbuf.data); |
| 313 | krb->reqbuf.data = NULL; |
| 314 | if((ret = krb5_fwd_tgt_creds(krb->context, krb->authcon, NULL, krb->servcreds->client, krb->servcreds->server, 0, 1, &krb->reqbuf)) != 0) |
| 315 | { |
| 316 | fprintf(stderr, "krb5_fwd_tgt_creds reported an error: %s\n", error_message(ret)); |
| 317 | dc_queuecmd(logincallback, data, L"pass", L"31", NULL); |
| 318 | krb->fwd = 0; |
| 319 | krb->state = 2; |
| 320 | } else { |
| 321 | dc_queuecmd(logincallback, data, L"pass", L"32", NULL); |
| 322 | krb->state = 0; |
| 323 | krb->fwded = 1; |
| 324 | } |
| 325 | } else { |
| 326 | dc_queuecmd(logincallback, data, L"pass", L"31", NULL); |
| 327 | krb->state = 2; |
| 328 | } |
| 329 | free(k5d.data); |
| 330 | dc_freeires(ires); |
| 331 | } |
| 332 | break; |
| 333 | default: |
| 334 | data->callback(DC_LOGIN_ERR_USER, NULL, data->data); |
| 335 | freelogindata(data); |
| 336 | break; |
| 337 | } |
| 338 | break; |
| 339 | case 505: |
| 340 | data->callback(DC_LOGIN_ERR_SERVER, NULL, data->data); |
| 341 | freelogindata(data); |
| 342 | break; |
| 343 | case 506: |
| 344 | data->callback(DC_LOGIN_ERR_AUTHFAIL, NULL, data->data); |
| 345 | freelogindata(data); |
| 346 | break; |
| 347 | default: |
| 348 | data->callback(DC_LOGIN_ERR_USER, NULL, data->data); |
| 349 | freelogindata(data); |
| 350 | break; |
| 351 | } |
| 352 | } |
| 353 | |
| 354 | static int init_krb5(struct logindata *data) |
| 355 | { |
| 356 | int ret; |
| 357 | struct krb5data *krb; |
| 358 | krb5_data cksum; |
| 359 | krb5_creds creds; |
| 360 | |
| 361 | krb = smalloc(sizeof(*krb)); |
| 362 | memset(krb, 0, sizeof(*krb)); |
| 363 | krb->fwd = 1; |
| 364 | krb->fwded = 0; |
| 365 | data->mechdata = krb; |
| 366 | if((ret = krb5_init_context(&krb->context)) != 0) |
| 367 | { |
| 368 | fprintf(stderr, "krb5_init_context reported an error: %s\n", error_message(ret)); |
| 369 | return(1); |
| 370 | } |
| 371 | if((ret = krb5_auth_con_init(krb->context, &krb->authcon)) != 0) |
| 372 | { |
| 373 | fprintf(stderr, "krb5_auth_con_init reported an error: %s\n", error_message(ret)); |
| 374 | return(1); |
| 375 | } |
| 376 | krb5_auth_con_setflags(krb->context, krb->authcon, KRB5_AUTH_CONTEXT_DO_SEQUENCE); |
| 377 | if((ret = krb5_sname_to_principal(krb->context, dc_gethostname(), "doldacond", KRB5_NT_SRV_HST, &krb->sprinc)) != 0) |
| 378 | { |
| 379 | fprintf(stderr, "krb5_sname_to_principal reported an error: %s\n", error_message(ret)); |
| 380 | return(1); |
| 381 | } |
| 382 | if((ret = krb5_cc_default(krb->context, &krb->ccache)) != 0) |
| 383 | { |
| 384 | fprintf(stderr, "krb5_cc_default reported an error: %s\n", error_message(ret)); |
| 385 | return(1); |
| 386 | } |
| 387 | if((ret = krb5_cc_get_principal(krb->context, krb->ccache, &krb->myprinc)) != 0) |
| 388 | { |
| 389 | fprintf(stderr, "krb5_cc_default reported an error: %s\n", error_message(ret)); |
| 390 | return(1); |
| 391 | } |
| 392 | memset(&creds, 0, sizeof(creds)); |
| 393 | creds.client = krb->myprinc; |
| 394 | creds.server = krb->sprinc; |
| 395 | if((ret = krb5_get_credentials(krb->context, 0, krb->ccache, &creds, &krb->servcreds)) != 0) |
| 396 | { |
| 397 | fprintf(stderr, "krb5_get_credentials reported an error: %s\n", error_message(ret)); |
| 398 | return(1); |
| 399 | } |
| 400 | /* WTF is this checksum stuff?! The Krb docs don't say a word about it! */ |
| 401 | cksum.data = sstrdup(dc_gethostname()); |
| 402 | cksum.length = strlen(cksum.data); |
| 403 | if((ret = krb5_mk_req_extended(krb->context, &krb->authcon, AP_OPTS_MUTUAL_REQUIRED, &cksum, krb->servcreds, &krb->reqbuf)) != 0) |
| 404 | { |
| 405 | fprintf(stderr, "krb5_mk_req_extended reported an error: %s\n", error_message(ret)); |
| 406 | return(1); |
| 407 | } |
| 408 | free(cksum.data); |
| 409 | krb->state = 0; |
| 410 | return(0); |
| 411 | } |
| 412 | |
| 413 | static void release_krb5(struct logindata *data) |
| 414 | { |
| 415 | struct krb5data *krb; |
| 416 | |
| 417 | if((krb = data->mechdata) == NULL) |
| 418 | return; |
| 419 | if(krb->servcreds != NULL) |
| 420 | krb5_free_creds(krb->context, krb->servcreds); |
| 421 | if(krb->reqbuf.data != NULL) |
| 422 | free(krb->reqbuf.data); |
| 423 | if(krb->sprinc != NULL) |
| 424 | krb5_free_principal(krb->context, krb->sprinc); |
| 425 | if(krb->myprinc != NULL) |
| 426 | krb5_free_principal(krb->context, krb->myprinc); |
| 427 | if(krb->ccache != NULL) |
| 428 | krb5_cc_close(krb->context, krb->ccache); |
| 429 | if(krb->authcon != NULL) |
| 430 | krb5_auth_con_free(krb->context, krb->authcon); |
| 431 | if(krb->context != NULL) |
| 432 | krb5_free_context(krb->context); |
| 433 | free(krb); |
| 434 | } |
| 435 | #endif |
| 436 | |
| 437 | /* Arranged in order of priority */ |
| 438 | static struct authmech authmechs[] = |
| 439 | { |
| 440 | #ifdef HAVE_KRB5 |
| 441 | { |
| 442 | .name = L"krb5", |
| 443 | .process = process_krb5, |
| 444 | .init = init_krb5, |
| 445 | .release = release_krb5 |
| 446 | }, |
| 447 | #endif |
| 448 | { |
| 449 | .name = L"authless", |
| 450 | .process = process_authless, |
| 451 | .init = NULL, |
| 452 | .release = NULL |
| 453 | }, |
| 454 | { |
| 455 | .name = L"pam", |
| 456 | .process = process_pam, |
| 457 | .init = NULL, |
| 458 | .release = NULL |
| 459 | }, |
| 460 | { |
| 461 | .name = NULL |
| 462 | } |
| 463 | }; |
| 464 | |
| 465 | static int builtinconv(int type, wchar_t *text, char **resp, void *data) |
| 466 | { |
| 467 | char *buf, *pass; |
| 468 | |
| 469 | if(isatty(0)) |
| 470 | { |
| 471 | if((buf = icwcstombs(text, NULL)) == NULL) |
| 472 | return(1); |
| 473 | pass = getpass(buf); |
| 474 | free(buf); |
| 475 | *resp = sstrdup(pass); |
| 476 | memset(pass, 0, strlen(pass)); |
| 477 | return(0); |
| 478 | } |
| 479 | return(1); |
| 480 | } |
| 481 | |
| 482 | static int logincallback(struct dc_response *resp) |
| 483 | { |
| 484 | int i; |
| 485 | struct dc_intresp *ires; |
| 486 | struct logindata *data; |
| 487 | int mech; |
| 488 | char *username; |
| 489 | struct passwd *pwent; |
| 490 | void *odata, *ndata; |
| 491 | |
| 492 | data = resp->data; |
| 493 | if(!wcscmp(resp->cmdname, L"lsauth")) |
| 494 | { |
| 495 | if(resp->code == 201) |
| 496 | { |
| 497 | data->callback(DC_LOGIN_ERR_NOLOGIN, NULL, data->data); |
| 498 | freelogindata(data); |
| 499 | } else { |
| 500 | mech = -1; |
| 501 | while((ires = dc_interpret(resp)) != NULL) |
| 502 | { |
| 503 | if(!data->useauthless && !wcscmp(ires->argv[0].val.str, L"authless")) |
| 504 | { |
| 505 | dc_freeires(ires); |
| 506 | continue; |
| 507 | } |
| 508 | for(i = 0; authmechs[i].name != NULL; i++) |
| 509 | { |
| 510 | if(!wcscmp(authmechs[i].name, ires->argv[0].val.str) && ((i < mech) || (mech == -1))) |
| 511 | { |
| 512 | odata = data->mechdata; |
| 513 | data->mechdata = NULL; |
| 514 | if((authmechs[i].init != NULL) && authmechs[i].init(data)) |
| 515 | { |
| 516 | if(authmechs[i].release != NULL) |
| 517 | authmechs[i].release(data); |
| 518 | data->mechdata = odata; |
| 519 | fprintf(stderr, "authentication mechanism %ls failed, trying further...\n", authmechs[i].name); |
| 520 | } else { |
| 521 | if((data->mech != NULL) && data->mech->release != NULL) |
| 522 | { |
| 523 | ndata = data->mechdata; |
| 524 | data->mechdata = odata; |
| 525 | data->mech->release(data); |
| 526 | data->mechdata = ndata; |
| 527 | } |
| 528 | mech = i; |
| 529 | data->mech = authmechs + i; |
| 530 | } |
| 531 | break; |
| 532 | } |
| 533 | } |
| 534 | dc_freeires(ires); |
| 535 | } |
| 536 | if(mech == -1) |
| 537 | { |
| 538 | data->callback(DC_LOGIN_ERR_NOLOGIN, NULL, data->data); |
| 539 | freelogindata(data); |
| 540 | } else { |
| 541 | if((username = data->username) == NULL) |
| 542 | { |
| 543 | if((pwent = getpwuid(getuid())) == NULL) |
| 544 | { |
| 545 | data->callback(DC_LOGIN_ERR_USER, NULL, data->data); |
| 546 | freelogindata(data); |
| 547 | return(1); |
| 548 | } |
| 549 | username = pwent->pw_name; |
| 550 | } |
| 551 | dc_queuecmd(logincallback, data, L"login", data->mech->name, L"%%s", username, NULL); |
| 552 | } |
| 553 | } |
| 554 | } else if(!wcscmp(resp->cmdname, L"login") || !wcscmp(resp->cmdname, L"pass")) { |
| 555 | data->mech->process(resp, data); |
| 556 | } |
| 557 | return(1); |
| 558 | } |
| 559 | |
| 560 | void dc_loginasync(char *username, int useauthless, int (*conv)(int, wchar_t *, char **, void *), void (*callback)(int, wchar_t *, void *), void *udata) |
| 561 | { |
| 562 | struct logindata *data; |
| 563 | |
| 564 | data = smalloc(sizeof(*data)); |
| 565 | if(conv == NULL) |
| 566 | conv = builtinconv; |
| 567 | data->conv = conv; |
| 568 | data->mech = NULL; |
| 569 | data->data = udata; |
| 570 | data->mechdata = NULL; |
| 571 | data->callback = callback; |
| 572 | data->useauthless = useauthless; |
| 573 | data->freeusername = 0; |
| 574 | if(username == NULL) |
| 575 | { |
| 576 | data->username = NULL; |
| 577 | } else { |
| 578 | data->username = sstrdup(username); |
| 579 | data->freeusername = 1; |
| 580 | } |
| 581 | dc_queuecmd(logincallback, data, L"lsauth", NULL); |
| 582 | } |
| 583 | |
| 584 | static struct dc_fnetnode *newfn(void) |
| 585 | { |
| 586 | struct dc_fnetnode *fn; |
| 587 | |
| 588 | fn = smalloc(sizeof(*fn)); |
| 589 | memset(fn, 0, sizeof(*fn)); |
| 590 | fn->id = -1; |
| 591 | fn->name = NULL; |
| 592 | fn->fnet = NULL; |
| 593 | fn->state = fn->numusers = fn->found = 0; |
| 594 | fn->destroycb = NULL; |
| 595 | fn->udata = NULL; |
| 596 | fn->next = dc_fnetnodes; |
| 597 | fn->prev = NULL; |
| 598 | if(dc_fnetnodes != NULL) |
| 599 | dc_fnetnodes->prev = fn; |
| 600 | dc_fnetnodes = fn; |
| 601 | return(fn); |
| 602 | } |
| 603 | |
| 604 | static void freefn(struct dc_fnetnode *fn) |
| 605 | { |
| 606 | if(fn->next != NULL) |
| 607 | fn->next->prev = fn->prev; |
| 608 | if(fn->prev != NULL) |
| 609 | fn->prev->next = fn->next; |
| 610 | if(fn == dc_fnetnodes) |
| 611 | dc_fnetnodes = fn->next; |
| 612 | if(fn->destroycb != NULL) |
| 613 | fn->destroycb(fn); |
| 614 | if(fn->name != NULL) |
| 615 | free(fn->name); |
| 616 | if(fn->fnet != NULL) |
| 617 | free(fn->fnet); |
| 618 | free(fn); |
| 619 | } |
| 620 | |
| 621 | struct dc_fnetnode *dc_findfnetnode(int id) |
| 622 | { |
| 623 | struct dc_fnetnode *fn; |
| 624 | |
| 625 | for(fn = dc_fnetnodes; fn != NULL; fn = fn->next) |
| 626 | { |
| 627 | if(fn->id == id) |
| 628 | break; |
| 629 | } |
| 630 | return(fn); |
| 631 | } |
| 632 | |
| 633 | static struct dc_transfer *newtransfer(void) |
| 634 | { |
| 635 | struct dc_transfer *transfer; |
| 636 | |
| 637 | transfer = smalloc(sizeof(*transfer)); |
| 638 | memset(transfer, 0, sizeof(*transfer)); |
| 639 | transfer->id = -1; |
| 640 | transfer->peerid = transfer->peernick = transfer->path = NULL; |
| 641 | transfer->state = DC_TRNS_WAITING; |
| 642 | transfer->dir = DC_TRNSD_UNKNOWN; |
| 643 | transfer->size = -1; |
| 644 | transfer->curpos = -1; |
| 645 | transfer->destroycb = NULL; |
| 646 | transfer->udata = NULL; |
| 647 | transfer->next = dc_transfers; |
| 648 | transfer->prev = NULL; |
| 649 | if(dc_transfers != NULL) |
| 650 | dc_transfers->prev = transfer; |
| 651 | dc_transfers = transfer; |
| 652 | return(transfer); |
| 653 | } |
| 654 | |
| 655 | static void freetransfer(struct dc_transfer *transfer) |
| 656 | { |
| 657 | if(transfer->next != NULL) |
| 658 | transfer->next->prev = transfer->prev; |
| 659 | if(transfer->prev != NULL) |
| 660 | transfer->prev->next = transfer->next; |
| 661 | if(transfer == dc_transfers) |
| 662 | dc_transfers = transfer->next; |
| 663 | if(transfer->destroycb != NULL) |
| 664 | transfer->destroycb(transfer); |
| 665 | if(transfer->peerid != NULL) |
| 666 | free(transfer->peerid); |
| 667 | if(transfer->peernick != NULL) |
| 668 | free(transfer->peernick); |
| 669 | if(transfer->path != NULL) |
| 670 | free(transfer->path); |
| 671 | free(transfer); |
| 672 | } |
| 673 | |
| 674 | struct dc_transfer *dc_findtransfer(int id) |
| 675 | { |
| 676 | struct dc_transfer *transfer; |
| 677 | |
| 678 | for(transfer = dc_transfers; transfer != NULL; transfer = transfer->next) |
| 679 | { |
| 680 | if(transfer->id == id) |
| 681 | break; |
| 682 | } |
| 683 | return(transfer); |
| 684 | } |
| 685 | |
| 686 | static int getfnlistcallback(struct dc_response *resp) |
| 687 | { |
| 688 | struct dc_intresp *ires; |
| 689 | struct gencbdata *data; |
| 690 | struct dc_fnetnode *fn, *next; |
| 691 | |
| 692 | data = resp->data; |
| 693 | if(resp->code == 200) |
| 694 | { |
| 695 | for(fn = dc_fnetnodes; fn != NULL; fn = fn->next) |
| 696 | fn->found = 0; |
| 697 | while((ires = dc_interpret(resp)) != NULL) |
| 698 | { |
| 699 | if((fn = dc_findfnetnode(ires->argv[0].val.num)) != NULL) |
| 700 | { |
| 701 | fn->found = 1; |
| 702 | if(fn->fnet != NULL) |
| 703 | free(fn->fnet); |
| 704 | fn->fnet = swcsdup(ires->argv[1].val.str); |
| 705 | if(fn->name != NULL) |
| 706 | free(fn->name); |
| 707 | fn->name = swcsdup(ires->argv[2].val.str); |
| 708 | fn->numusers = ires->argv[3].val.num; |
| 709 | fn->state = ires->argv[4].val.num; |
| 710 | } else { |
| 711 | fn = newfn(); |
| 712 | fn->id = ires->argv[0].val.num; |
| 713 | fn->fnet = swcsdup(ires->argv[1].val.str); |
| 714 | fn->name = swcsdup(ires->argv[2].val.str); |
| 715 | fn->numusers = ires->argv[3].val.num; |
| 716 | fn->state = ires->argv[4].val.num; |
| 717 | fn->found = 1; |
| 718 | } |
| 719 | dc_freeires(ires); |
| 720 | } |
| 721 | for(fn = dc_fnetnodes; fn != NULL; fn = next) |
| 722 | { |
| 723 | next = fn->next; |
| 724 | if(!fn->found) |
| 725 | freefn(fn); |
| 726 | } |
| 727 | data->callback(200, data->data); |
| 728 | free(resp->data); |
| 729 | } else if(resp->code == 201) { |
| 730 | while(dc_fnetnodes != NULL) |
| 731 | freefn(dc_fnetnodes); |
| 732 | data->callback(201, data->data); |
| 733 | free(resp->data); |
| 734 | } else if(resp->code == 502) { |
| 735 | while(dc_fnetnodes != NULL) |
| 736 | freefn(dc_fnetnodes); |
| 737 | data->callback(502, data->data); |
| 738 | free(resp->data); |
| 739 | } |
| 740 | return(1); |
| 741 | } |
| 742 | |
| 743 | static int gettrlistcallback(struct dc_response *resp) |
| 744 | { |
| 745 | struct dc_intresp *ires; |
| 746 | struct gencbdata *data; |
| 747 | struct dc_transfer *transfer, *next; |
| 748 | |
| 749 | data = resp->data; |
| 750 | if(resp->code == 200) |
| 751 | { |
| 752 | for(transfer = dc_transfers; transfer != NULL; transfer = transfer->next) |
| 753 | transfer->found = 0; |
| 754 | while((ires = dc_interpret(resp)) != NULL) |
| 755 | { |
| 756 | if((transfer = dc_findtransfer(ires->argv[0].val.num)) != NULL) |
| 757 | { |
| 758 | transfer->found = 1; |
| 759 | if((transfer->path == NULL) || wcscmp(transfer->path, ires->argv[5].val.str)) |
| 760 | { |
| 761 | if(transfer->path != NULL) |
| 762 | free(transfer->path); |
| 763 | transfer->path = swcsdup(ires->argv[5].val.str); |
| 764 | } |
| 765 | if((transfer->peerid == NULL) || wcscmp(transfer->peerid, ires->argv[3].val.str)) |
| 766 | { |
| 767 | if(transfer->peerid != NULL) |
| 768 | free(transfer->peerid); |
| 769 | transfer->peerid = swcsdup(ires->argv[3].val.str); |
| 770 | } |
| 771 | if((transfer->peernick == NULL) || wcscmp(transfer->peernick, ires->argv[4].val.str)) |
| 772 | { |
| 773 | if(transfer->peernick != NULL) |
| 774 | free(transfer->peernick); |
| 775 | transfer->peernick = swcsdup(ires->argv[4].val.str); |
| 776 | } |
| 777 | transfer->dir = ires->argv[1].val.num; |
| 778 | transfer->state = ires->argv[2].val.num; |
| 779 | transfer->size = ires->argv[6].val.num; |
| 780 | transfer->curpos = ires->argv[7].val.num; |
| 781 | } else { |
| 782 | transfer = newtransfer(); |
| 783 | transfer->id = ires->argv[0].val.num; |
| 784 | transfer->dir = ires->argv[1].val.num; |
| 785 | transfer->state = ires->argv[2].val.num; |
| 786 | transfer->peerid = swcsdup(ires->argv[3].val.str); |
| 787 | transfer->peernick = swcsdup(ires->argv[4].val.str); |
| 788 | transfer->path = swcsdup(ires->argv[5].val.str); |
| 789 | transfer->size = ires->argv[6].val.num; |
| 790 | transfer->curpos = ires->argv[7].val.num; |
| 791 | transfer->found = 1; |
| 792 | } |
| 793 | dc_freeires(ires); |
| 794 | } |
| 795 | for(transfer = dc_transfers; transfer != NULL; transfer = next) |
| 796 | { |
| 797 | next = transfer->next; |
| 798 | if(!transfer->found) |
| 799 | freetransfer(transfer); |
| 800 | } |
| 801 | data->callback(200, data->data); |
| 802 | free(data); |
| 803 | } else if(resp->code == 201) { |
| 804 | while(dc_transfers != NULL) |
| 805 | freetransfer(dc_transfers); |
| 806 | data->callback(201, data->data); |
| 807 | free(data); |
| 808 | } else if(resp->code == 502) { |
| 809 | while(dc_transfers != NULL) |
| 810 | freetransfer(dc_transfers); |
| 811 | data->callback(502, data->data); |
| 812 | free(data); |
| 813 | } |
| 814 | return(1); |
| 815 | } |
| 816 | |
| 817 | void dc_getfnlistasync(void (*callback)(int, void *), void *udata) |
| 818 | { |
| 819 | struct gencbdata *data; |
| 820 | |
| 821 | data = smalloc(sizeof(*data)); |
| 822 | data->callback = callback; |
| 823 | data->data = udata; |
| 824 | dc_queuecmd(getfnlistcallback, data, L"lsnodes", NULL); |
| 825 | } |
| 826 | |
| 827 | void dc_gettrlistasync(void (*callback)(int, void *), void *udata) |
| 828 | { |
| 829 | struct gencbdata *data; |
| 830 | |
| 831 | data = smalloc(sizeof(*data)); |
| 832 | data->callback = callback; |
| 833 | data->data = udata; |
| 834 | dc_queuecmd(gettrlistcallback, data, L"lstrans", NULL); |
| 835 | } |
| 836 | |
| 837 | void dc_uimisc_disconnected(void) |
| 838 | { |
| 839 | while(dc_fnetnodes != NULL) |
| 840 | freefn(dc_fnetnodes); |
| 841 | while(dc_transfers != NULL) |
| 842 | freetransfer(dc_transfers); |
| 843 | } |
| 844 | |
| 845 | void dc_uimisc_handlenotify(struct dc_response *resp) |
| 846 | { |
| 847 | struct dc_fnetnode *fn; |
| 848 | struct dc_transfer *transfer; |
| 849 | struct dc_intresp *ires; |
| 850 | |
| 851 | if((ires = dc_interpret(resp)) == NULL) |
| 852 | return; |
| 853 | switch(resp->code) |
| 854 | { |
| 855 | case 601: |
| 856 | if((fn = dc_findfnetnode(ires->argv[0].val.num)) != NULL) |
| 857 | fn->state = ires->argv[1].val.num; |
| 858 | break; |
| 859 | case 602: |
| 860 | if((fn = dc_findfnetnode(ires->argv[0].val.num)) != NULL) |
| 861 | { |
| 862 | if(fn->name != NULL) |
| 863 | free(fn->name); |
| 864 | fn->name = swcsdup(ires->argv[1].val.str); |
| 865 | } |
| 866 | break; |
| 867 | case 603: |
| 868 | if((fn = dc_findfnetnode(ires->argv[0].val.num)) != NULL) |
| 869 | freefn(fn); |
| 870 | break; |
| 871 | case 604: |
| 872 | fn = newfn(); |
| 873 | fn->id = ires->argv[0].val.num; |
| 874 | if(fn->fnet != NULL) |
| 875 | free(fn->fnet); |
| 876 | fn->fnet = swcsdup(ires->argv[1].val.str); |
| 877 | fn->state = DC_FNN_STATE_SYN; |
| 878 | fn->numusers = 0; |
| 879 | break; |
| 880 | case 605: |
| 881 | if((fn = dc_findfnetnode(ires->argv[0].val.num)) != NULL) |
| 882 | fn->numusers = ires->argv[1].val.num; |
| 883 | break; |
| 884 | case 610: |
| 885 | transfer = newtransfer(); |
| 886 | transfer->id = ires->argv[0].val.num; |
| 887 | transfer->dir = ires->argv[1].val.num; |
| 888 | if(transfer->dir == DC_TRNSD_UP) |
| 889 | transfer->state = DC_TRNS_HS; |
| 890 | transfer->peerid = swcsdup(ires->argv[2].val.str); |
| 891 | if(ires->argv[3].val.str[0]) |
| 892 | transfer->path = swcsdup(ires->argv[3].val.str); |
| 893 | break; |
| 894 | case 611: |
| 895 | if((transfer = dc_findtransfer(ires->argv[0].val.num)) != NULL) |
| 896 | transfer->state = ires->argv[1].val.num; |
| 897 | break; |
| 898 | case 612: |
| 899 | if((transfer = dc_findtransfer(ires->argv[0].val.num)) != NULL) |
| 900 | { |
| 901 | if(transfer->peernick != NULL) |
| 902 | free(transfer->peernick); |
| 903 | transfer->peernick = swcsdup(ires->argv[1].val.str); |
| 904 | } |
| 905 | break; |
| 906 | case 613: |
| 907 | if((transfer = dc_findtransfer(ires->argv[0].val.num)) != NULL) |
| 908 | transfer->size = ires->argv[1].val.num; |
| 909 | break; |
| 910 | case 614: |
| 911 | if((transfer = dc_findtransfer(ires->argv[0].val.num)) != NULL) |
| 912 | { |
| 913 | transfer->error = ires->argv[1].val.num; |
| 914 | time(&transfer->errortime); |
| 915 | } |
| 916 | break; |
| 917 | case 615: |
| 918 | if((transfer = dc_findtransfer(ires->argv[0].val.num)) != NULL) |
| 919 | transfer->curpos = ires->argv[1].val.num; |
| 920 | break; |
| 921 | case 616: |
| 922 | if((transfer = dc_findtransfer(ires->argv[0].val.num)) != NULL) |
| 923 | { |
| 924 | if(transfer->path != NULL) |
| 925 | free(transfer->path); |
| 926 | transfer->path = swcsdup(ires->argv[1].val.str); |
| 927 | } |
| 928 | break; |
| 929 | case 617: |
| 930 | if((transfer = dc_findtransfer(ires->argv[0].val.num)) != NULL) |
| 931 | freetransfer(transfer); |
| 932 | break; |
| 933 | default: |
| 934 | break; |
| 935 | } |
| 936 | dc_freeires(ires); |
| 937 | resp->curline = 0; |
| 938 | } |
| 939 | |
| 940 | /* Note the backspace handling - it's not as elegant as possible, but |
| 941 | * it helps avoid the "box-of-toothpicks" syndrome when writing search |
| 942 | * expressions manually. */ |
| 943 | wchar_t **dc_lexsexpr(wchar_t *sexpr) |
| 944 | { |
| 945 | wchar_t **ret; |
| 946 | wchar_t *buf; |
| 947 | size_t retsize, retdata, bufsize, bufdata; |
| 948 | int state; |
| 949 | |
| 950 | ret = NULL; |
| 951 | buf = NULL; |
| 952 | retsize = retdata = bufsize = bufdata = 0; |
| 953 | state = 0; |
| 954 | while(*sexpr != L'\0') |
| 955 | { |
| 956 | switch(state) |
| 957 | { |
| 958 | case 0: |
| 959 | if(!iswspace(*sexpr)) |
| 960 | state = 1; |
| 961 | else |
| 962 | sexpr++; |
| 963 | break; |
| 964 | case 1: |
| 965 | if(iswspace(*sexpr)) |
| 966 | { |
| 967 | if(buf != NULL) |
| 968 | { |
| 969 | addtobuf(buf, L'\0'); |
| 970 | addtobuf(ret, buf); |
| 971 | buf = NULL; |
| 972 | bufsize = bufdata = 0; |
| 973 | } |
| 974 | state = 0; |
| 975 | } else if((*sexpr == L'(') || |
| 976 | (*sexpr == L')') || |
| 977 | (*sexpr == L'&') || |
| 978 | (*sexpr == L'|') || |
| 979 | (*sexpr == L'!')) { |
| 980 | if(buf != NULL) |
| 981 | { |
| 982 | addtobuf(buf, L'\0'); |
| 983 | addtobuf(ret, buf); |
| 984 | buf = NULL; |
| 985 | bufsize = bufdata = 0; |
| 986 | } |
| 987 | addtobuf(buf, *sexpr); |
| 988 | addtobuf(buf, L'\0'); |
| 989 | addtobuf(ret, buf); |
| 990 | buf = NULL; |
| 991 | bufsize = bufdata = 0; |
| 992 | sexpr++; |
| 993 | } else if(*sexpr == L'\"') { |
| 994 | sexpr++; |
| 995 | state = 2; |
| 996 | } else if(*sexpr == L'\\') { |
| 997 | sexpr++; |
| 998 | if(*sexpr == L'\0') |
| 999 | { |
| 1000 | addtobuf(buf, *sexpr); |
| 1001 | } else if((*sexpr == L'\\') || (*sexpr == L'\"')) { |
| 1002 | addtobuf(buf, *sexpr); |
| 1003 | sexpr++; |
| 1004 | } else { |
| 1005 | addtobuf(buf, L'\\'); |
| 1006 | addtobuf(buf, *sexpr); |
| 1007 | sexpr++; |
| 1008 | } |
| 1009 | } else { |
| 1010 | addtobuf(buf, *(sexpr++)); |
| 1011 | } |
| 1012 | break; |
| 1013 | case 2: |
| 1014 | if(*sexpr == L'\\') |
| 1015 | { |
| 1016 | sexpr++; |
| 1017 | if(*sexpr == L'\0') |
| 1018 | { |
| 1019 | addtobuf(buf, *sexpr); |
| 1020 | } else if((*sexpr == L'\\') || (*sexpr == L'\"')) { |
| 1021 | addtobuf(buf, *sexpr); |
| 1022 | sexpr++; |
| 1023 | } else { |
| 1024 | addtobuf(buf, L'\\'); |
| 1025 | addtobuf(buf, *sexpr); |
| 1026 | sexpr++; |
| 1027 | } |
| 1028 | } else if(*sexpr == L'\"') { |
| 1029 | state = 1; |
| 1030 | sexpr++; |
| 1031 | } else { |
| 1032 | addtobuf(buf, *(sexpr++)); |
| 1033 | } |
| 1034 | break; |
| 1035 | } |
| 1036 | } |
| 1037 | if(buf != NULL) |
| 1038 | { |
| 1039 | addtobuf(buf, L'\0'); |
| 1040 | addtobuf(ret, buf); |
| 1041 | } |
| 1042 | addtobuf(ret, NULL); |
| 1043 | return(ret); |
| 1044 | } |
| 1045 | |
| 1046 | void dc_freewcsarr(wchar_t **arr) |
| 1047 | { |
| 1048 | wchar_t **buf; |
| 1049 | |
| 1050 | if(arr == NULL) |
| 1051 | return; |
| 1052 | for(buf = arr; *buf != NULL; buf++) |
| 1053 | free(*buf); |
| 1054 | free(arr); |
| 1055 | } |
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