ctx.c revision 250236
1/* 2 * Copyright (c) 2000-2002, Boris Popov 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Boris Popov. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $Id: ctx.c,v 1.24 2002/04/13 14:35:28 bp Exp $ 33 * $FreeBSD: head/contrib/smbfs/lib/smb/ctx.c 250236 2013-05-04 14:03:18Z davide $ 34 */ 35#include <sys/param.h> 36#include <sys/sysctl.h> 37#include <sys/ioctl.h> 38#include <sys/time.h> 39#include <sys/mount.h> 40#include <fcntl.h> 41#include <ctype.h> 42#include <errno.h> 43#include <stdio.h> 44#include <string.h> 45#include <stdlib.h> 46#include <pwd.h> 47#include <grp.h> 48#include <unistd.h> 49#include <sys/iconv.h> 50 51#define NB_NEEDRESOLVER 52 53#include <netsmb/smb_lib.h> 54#include <netsmb/netbios.h> 55#include <netsmb/nb_lib.h> 56#include <netsmb/smb_conn.h> 57#include <cflib.h> 58 59/* 60 * Prescan command line for [-U user] argument 61 * and fill context with defaults 62 */ 63int 64smb_ctx_init(struct smb_ctx *ctx, int argc, char *argv[], 65 int minlevel, int maxlevel, int sharetype) 66{ 67 int opt, error = 0; 68 uid_t euid; 69 const char *arg, *cp; 70 struct passwd *pwd; 71 72 bzero(ctx,sizeof(*ctx)); 73 error = nb_ctx_create(&ctx->ct_nb); 74 if (error) 75 return error; 76 ctx->ct_fd = -1; 77 ctx->ct_parsedlevel = SMBL_NONE; 78 ctx->ct_minlevel = minlevel; 79 ctx->ct_maxlevel = maxlevel; 80 ctx->ct_smbtcpport = SMB_TCP_PORT; 81 82 ctx->ct_ssn.ioc_opt = SMBVOPT_CREATE; 83 ctx->ct_ssn.ioc_timeout = 15; 84 ctx->ct_ssn.ioc_retrycount = 4; 85 ctx->ct_ssn.ioc_owner = SMBM_ANY_OWNER; 86 ctx->ct_ssn.ioc_group = SMBM_ANY_GROUP; 87 ctx->ct_ssn.ioc_mode = SMBM_EXEC; 88 ctx->ct_ssn.ioc_rights = SMBM_DEFAULT; 89 90 ctx->ct_sh.ioc_opt = SMBVOPT_CREATE; 91 ctx->ct_sh.ioc_owner = SMBM_ANY_OWNER; 92 ctx->ct_sh.ioc_group = SMBM_ANY_GROUP; 93 ctx->ct_sh.ioc_mode = SMBM_EXEC; 94 ctx->ct_sh.ioc_rights = SMBM_DEFAULT; 95 ctx->ct_sh.ioc_owner = SMBM_ANY_OWNER; 96 ctx->ct_sh.ioc_group = SMBM_ANY_GROUP; 97 98 nb_ctx_setscope(ctx->ct_nb, ""); 99 euid = geteuid(); 100 if ((pwd = getpwuid(euid)) != NULL) { 101 smb_ctx_setuser(ctx, pwd->pw_name); 102 endpwent(); 103 } else if (euid == 0) 104 smb_ctx_setuser(ctx, "root"); 105 else 106 return 0; 107 if (argv == NULL) 108 return 0; 109 for (opt = 1; opt < argc; opt++) { 110 cp = argv[opt]; 111 if (strncmp(cp, "//", 2) != 0) 112 continue; 113 error = smb_ctx_parseunc(ctx, cp, sharetype, (const char**)&cp); 114 if (error) 115 return error; 116 ctx->ct_uncnext = cp; 117 break; 118 } 119 while (error == 0 && (opt = cf_getopt(argc, argv, ":E:L:U:")) != -1) { 120 arg = cf_optarg; 121 switch (opt) { 122 case 'E': 123 error = smb_ctx_setcharset(ctx, arg); 124 if (error) 125 return error; 126 break; 127 case 'L': 128 error = nls_setlocale(arg); 129 if (error) 130 break; 131 break; 132 case 'U': 133 error = smb_ctx_setuser(ctx, arg); 134 break; 135 } 136 } 137 cf_optind = cf_optreset = 1; 138 return error; 139} 140 141void 142smb_ctx_done(struct smb_ctx *ctx) 143{ 144 if (ctx->ct_ssn.ioc_server) 145 nb_snbfree(ctx->ct_ssn.ioc_server); 146 if (ctx->ct_ssn.ioc_local) 147 nb_snbfree(ctx->ct_ssn.ioc_local); 148 if (ctx->ct_srvaddr) 149 free(ctx->ct_srvaddr); 150 if (ctx->ct_nb) 151 nb_ctx_done(ctx->ct_nb); 152} 153 154static int 155getsubstring(const char *p, u_char sep, char *dest, int maxlen, const char **next) 156{ 157 int len; 158 159 maxlen--; 160 for (len = 0; len < maxlen && *p != sep; p++, len++, dest++) { 161 if (*p == 0) 162 return EINVAL; 163 *dest = *p; 164 } 165 *dest = 0; 166 *next = *p ? p + 1 : p; 167 return 0; 168} 169 170/* 171 * Here we expect something like "[proto:]//[user@]host[:psmb[:pnb]][/share][/path]" 172 */ 173int 174smb_ctx_parseunc(struct smb_ctx *ctx, const char *unc, int sharetype, 175 const char **next) 176{ 177 const char *p = unc; 178 char *p1, *psmb, *pnb; 179 char tmp[1024]; 180 int error ; 181 182 ctx->ct_parsedlevel = SMBL_NONE; 183 if (*p++ != '/' || *p++ != '/') { 184 smb_error("UNC should start with '//'", 0); 185 return EINVAL; 186 } 187 p1 = tmp; 188 error = getsubstring(p, '@', p1, sizeof(tmp), &p); 189 if (!error) { 190 if (ctx->ct_maxlevel < SMBL_VC) { 191 smb_error("no user name required", 0); 192 return EINVAL; 193 } 194 if (*p1 == 0) { 195 smb_error("empty user name", 0); 196 return EINVAL; 197 } 198 error = smb_ctx_setuser(ctx, tmp); 199 if (error) 200 return error; 201 ctx->ct_parsedlevel = SMBL_VC; 202 } 203 error = getsubstring(p, '/', p1, sizeof(tmp), &p); 204 if (error) { 205 error = getsubstring(p, '\0', p1, sizeof(tmp), &p); 206 if (error) { 207 smb_error("no server name found", 0); 208 return error; 209 } 210 } 211 if (*p1 == 0) { 212 smb_error("empty server name", 0); 213 return EINVAL; 214 } 215 /* 216 * Check for port number specification. 217 */ 218 psmb = strchr(tmp, ':'); 219 if (psmb) { 220 *psmb++ = '\0'; 221 pnb = strchr(psmb, ':'); 222 if (pnb) { 223 *pnb++ = '\0'; 224 error = smb_ctx_setnbport(ctx, atoi(pnb)); 225 if (error) { 226 smb_error("Invalid NetBIOS port number", 0); 227 return error; 228 } 229 } 230 error = smb_ctx_setsmbport(ctx, atoi(psmb)); 231 if (error) { 232 smb_error("Invalid SMB port number", 0); 233 return error; 234 } 235 } 236 error = smb_ctx_setserver(ctx, tmp); 237 if (error) 238 return error; 239 if (sharetype == SMB_ST_NONE) { 240 *next = p; 241 return 0; 242 } 243 if (*p != 0 && ctx->ct_maxlevel < SMBL_SHARE) { 244 smb_error("no share name required", 0); 245 return EINVAL; 246 } 247 error = getsubstring(p, '/', p1, sizeof(tmp), &p); 248 if (error) { 249 error = getsubstring(p, '\0', p1, sizeof(tmp), &p); 250 if (error) { 251 smb_error("unexpected end of line", 0); 252 return error; 253 } 254 } 255 if (*p1 == 0 && ctx->ct_minlevel >= SMBL_SHARE) { 256 smb_error("empty share name", 0); 257 return EINVAL; 258 } 259 *next = p; 260 if (*p1 == 0) 261 return 0; 262 error = smb_ctx_setshare(ctx, p1, sharetype); 263 return error; 264} 265 266int 267smb_ctx_setcharset(struct smb_ctx *ctx, const char *arg) 268{ 269 char *cp, *servercs, *localcs; 270 int cslen = sizeof(ctx->ct_ssn.ioc_localcs); 271 int scslen, lcslen, error; 272 273 cp = strchr(arg, ':'); 274 lcslen = cp ? (cp - arg) : 0; 275 if (lcslen == 0 || lcslen >= cslen) { 276 smb_error("invalid local charset specification (%s)", 0, arg); 277 return EINVAL; 278 } 279 scslen = (size_t)strlen(++cp); 280 if (scslen == 0 || scslen >= cslen) { 281 smb_error("invalid server charset specification (%s)", 0, arg); 282 return EINVAL; 283 } 284 localcs = memcpy(ctx->ct_ssn.ioc_localcs, arg, lcslen); 285 localcs[lcslen] = 0; 286 servercs = strcpy(ctx->ct_ssn.ioc_servercs, cp); 287 error = nls_setrecode(localcs, servercs); 288 if (error == 0) 289 return 0; 290 smb_error("can't initialize iconv support (%s:%s)", 291 error, localcs, servercs); 292 localcs[0] = 0; 293 servercs[0] = 0; 294 return error; 295} 296 297int 298smb_ctx_setserver(struct smb_ctx *ctx, const char *name) 299{ 300 if (strlen(name) > SMB_MAXSRVNAMELEN) { 301 smb_error("server name '%s' too long", 0, name); 302 return ENAMETOOLONG; 303 } 304 nls_str_upper(ctx->ct_ssn.ioc_srvname, name); 305 return 0; 306} 307 308int 309smb_ctx_setnbport(struct smb_ctx *ctx, int port) 310{ 311 if (port < 1 || port > 0xffff) 312 return EINVAL; 313 ctx->ct_nb->nb_nmbtcpport = port; 314 return 0; 315} 316 317int 318smb_ctx_setsmbport(struct smb_ctx *ctx, int port) 319{ 320 if (port < 1 || port > 0xffff) 321 return EINVAL; 322 ctx->ct_smbtcpport = port; 323 ctx->ct_nb->nb_smbtcpport = port; 324 return 0; 325} 326 327int 328smb_ctx_setuser(struct smb_ctx *ctx, const char *name) 329{ 330 if (strlen(name) > SMB_MAXUSERNAMELEN) { 331 smb_error("user name '%s' too long", 0, name); 332 return ENAMETOOLONG; 333 } 334 nls_str_upper(ctx->ct_ssn.ioc_user, name); 335 return 0; 336} 337 338int 339smb_ctx_setworkgroup(struct smb_ctx *ctx, const char *name) 340{ 341 if (strlen(name) > SMB_MAXUSERNAMELEN) { 342 smb_error("workgroup name '%s' too long", 0, name); 343 return ENAMETOOLONG; 344 } 345 nls_str_upper(ctx->ct_ssn.ioc_workgroup, name); 346 return 0; 347} 348 349int 350smb_ctx_setpassword(struct smb_ctx *ctx, const char *passwd) 351{ 352 if (passwd == NULL) 353 return EINVAL; 354 if (strlen(passwd) > SMB_MAXPASSWORDLEN) { 355 smb_error("password too long", 0); 356 return ENAMETOOLONG; 357 } 358 if (strncmp(passwd, "$$1", 3) == 0) 359 smb_simpledecrypt(ctx->ct_ssn.ioc_password, passwd); 360 else 361 strcpy(ctx->ct_ssn.ioc_password, passwd); 362 strcpy(ctx->ct_sh.ioc_password, ctx->ct_ssn.ioc_password); 363 return 0; 364} 365 366int 367smb_ctx_setshare(struct smb_ctx *ctx, const char *share, int stype) 368{ 369 if (strlen(share) > SMB_MAXSHARENAMELEN) { 370 smb_error("share name '%s' too long", 0, share); 371 return ENAMETOOLONG; 372 } 373 nls_str_upper(ctx->ct_sh.ioc_share, share); 374 if (share[0] != 0) 375 ctx->ct_parsedlevel = SMBL_SHARE; 376 ctx->ct_sh.ioc_stype = stype; 377 return 0; 378} 379 380int 381smb_ctx_setsrvaddr(struct smb_ctx *ctx, const char *addr) 382{ 383 if (addr == NULL || addr[0] == 0) 384 return EINVAL; 385 if (ctx->ct_srvaddr) 386 free(ctx->ct_srvaddr); 387 if ((ctx->ct_srvaddr = strdup(addr)) == NULL) 388 return ENOMEM; 389 return 0; 390} 391 392static int 393smb_parse_owner(char *pair, uid_t *uid, gid_t *gid) 394{ 395 struct group *gr; 396 struct passwd *pw; 397 char *cp; 398 399 cp = strchr(pair, ':'); 400 if (cp) { 401 *cp++ = '\0'; 402 if (*cp) { 403 gr = getgrnam(cp); 404 if (gr) { 405 *gid = gr->gr_gid; 406 } else 407 smb_error("Invalid group name %s, ignored", 408 0, cp); 409 } 410 } 411 if (*pair) { 412 pw = getpwnam(pair); 413 if (pw) { 414 *uid = pw->pw_uid; 415 } else 416 smb_error("Invalid user name %s, ignored", 0, pair); 417 } 418 endpwent(); 419 return 0; 420} 421 422int 423smb_ctx_opt(struct smb_ctx *ctx, int opt, const char *arg) 424{ 425 int error = 0; 426 char *p, *cp; 427 428 switch(opt) { 429 case 'U': 430 break; 431 case 'I': 432 error = smb_ctx_setsrvaddr(ctx, arg); 433 break; 434 case 'M': 435 ctx->ct_ssn.ioc_rights = strtol(arg, &cp, 8); 436 if (*cp == '/') { 437 ctx->ct_sh.ioc_rights = strtol(cp + 1, &cp, 8); 438 ctx->ct_flags |= SMBCF_SRIGHTS; 439 } 440 break; 441 case 'N': 442 ctx->ct_flags |= SMBCF_NOPWD; 443 break; 444 case 'O': 445 p = strdup(arg); 446 cp = strchr(p, '/'); 447 if (cp) { 448 *cp++ = '\0'; 449 error = smb_parse_owner(cp, &ctx->ct_sh.ioc_owner, 450 &ctx->ct_sh.ioc_group); 451 } 452 if (*p && error == 0) { 453 error = smb_parse_owner(p, &ctx->ct_ssn.ioc_owner, 454 &ctx->ct_ssn.ioc_group); 455 } 456 free(p); 457 break; 458 case 'P': 459/* ctx->ct_ssn.ioc_opt |= SMBCOPT_PERMANENT;*/ 460 break; 461 case 'R': 462 ctx->ct_ssn.ioc_retrycount = atoi(arg); 463 break; 464 case 'T': 465 ctx->ct_ssn.ioc_timeout = atoi(arg); 466 break; 467 case 'W': 468 error = smb_ctx_setworkgroup(ctx, arg); 469 break; 470 } 471 return error; 472} 473 474#if 0 475static void 476smb_hexdump(const u_char *buf, int len) { 477 int ofs = 0; 478 479 while (len--) { 480 if (ofs % 16 == 0) 481 printf("\n%02X: ", ofs); 482 printf("%02x ", *buf++); 483 ofs++; 484 } 485 printf("\n"); 486} 487#endif 488 489 490static int 491smb_addiconvtbl(const char *to, const char *from, const u_char *tbl) 492{ 493 int error; 494 495 error = kiconv_add_xlat_table(to, from, tbl); 496 if (error && error != EEXIST) { 497 smb_error("can not setup kernel iconv table (%s:%s)", error, 498 from, to); 499 return error; 500 } 501 return 0; 502} 503 504/* 505 * Verify context before connect operation(s), 506 * lookup specified server and try to fill all forgotten fields. 507 */ 508int 509smb_ctx_resolve(struct smb_ctx *ctx) 510{ 511 struct smbioc_ossn *ssn = &ctx->ct_ssn; 512 struct smbioc_oshare *sh = &ctx->ct_sh; 513 struct nb_name nn; 514 struct sockaddr *sap; 515 struct sockaddr_nb *salocal, *saserver; 516 char *cp; 517 int error = 0; 518 519 ctx->ct_flags &= ~SMBCF_RESOLVED; 520 if (ssn->ioc_srvname[0] == 0) { 521 smb_error("no server name specified", 0); 522 return EINVAL; 523 } 524 if (ssn->ioc_user[0] == 0) { 525 smb_error("no user name specified for server %s", 526 0, ssn->ioc_srvname); 527 return EINVAL; 528 } 529 if (ctx->ct_minlevel >= SMBL_SHARE && sh->ioc_share[0] == 0) { 530 smb_error("no share name specified for %s@%s", 531 0, ssn->ioc_user, ssn->ioc_srvname); 532 return EINVAL; 533 } 534 error = nb_ctx_resolve(ctx->ct_nb); 535 if (error) 536 return error; 537 if (ssn->ioc_localcs[0] == 0) 538 strcpy(ssn->ioc_localcs, "ISO8859-1"); 539 error = smb_addiconvtbl("tolower", ssn->ioc_localcs, nls_lower); 540 if (error) 541 return error; 542 error = smb_addiconvtbl("toupper", ssn->ioc_localcs, nls_upper); 543 if (error) 544 return error; 545 if (ssn->ioc_servercs[0] != 0) { 546 error = kiconv_add_xlat16_cspairs 547 (ssn->ioc_servercs, ssn->ioc_localcs); 548 if (error) return error; 549 } 550 if (ctx->ct_srvaddr) { 551 error = nb_resolvehost_in(ctx->ct_srvaddr, &sap, ctx->ct_smbtcpport); 552 } else { 553 error = nbns_resolvename(ssn->ioc_srvname, ctx->ct_nb, &sap); 554 } 555 if (error) { 556 smb_error("can't get server address", error); 557 return error; 558 } 559 nn.nn_scope = ctx->ct_nb->nb_scope; 560 nn.nn_type = NBT_SERVER; 561 strcpy(nn.nn_name, ssn->ioc_srvname); 562 error = nb_sockaddr(sap, &nn, &saserver); 563 nb_snbfree(sap); 564 if (error) { 565 smb_error("can't allocate server address", error); 566 return error; 567 } 568 ssn->ioc_server = (struct sockaddr*)saserver; 569 if (ctx->ct_locname[0] == 0) { 570 error = nb_getlocalname(ctx->ct_locname); 571 if (error) { 572 smb_error("can't get local name", error); 573 return error; 574 } 575 nls_str_upper(ctx->ct_locname, ctx->ct_locname); 576 } 577 strcpy(nn.nn_name, ctx->ct_locname); 578 nn.nn_type = NBT_WKSTA; 579 nn.nn_scope = ctx->ct_nb->nb_scope; 580 error = nb_sockaddr(NULL, &nn, &salocal); 581 if (error) { 582 nb_snbfree((struct sockaddr*)saserver); 583 smb_error("can't allocate local address", error); 584 return error; 585 } 586 ssn->ioc_local = (struct sockaddr*)salocal; 587 ssn->ioc_lolen = salocal->snb_len; 588 ssn->ioc_svlen = saserver->snb_len; 589 if (ssn->ioc_password[0] == 0 && (ctx->ct_flags & SMBCF_NOPWD) == 0) { 590 cp = getpass("Password:"); 591 error = smb_ctx_setpassword(ctx, cp); 592 if (error) 593 return error; 594 } 595 ctx->ct_flags |= SMBCF_RESOLVED; 596 return 0; 597} 598 599static int 600smb_ctx_gethandle(struct smb_ctx *ctx) 601{ 602 int fd, i; 603 char buf[20]; 604 605 fd = open("/dev/"NSMB_NAME, O_RDWR); 606 if (fd >= 0) { 607 ctx->ct_fd = fd; 608 return 0; 609 } 610 return ENOENT; 611} 612 613int 614smb_ctx_lookup(struct smb_ctx *ctx, int level, int flags) 615{ 616 struct smbioc_lookup rq; 617 int error; 618 619 if ((ctx->ct_flags & SMBCF_RESOLVED) == 0) { 620 smb_error("smb_ctx_lookup() data is not resolved", 0); 621 return EINVAL; 622 } 623 if (ctx->ct_fd != -1) { 624 close(ctx->ct_fd); 625 ctx->ct_fd = -1; 626 } 627 error = smb_ctx_gethandle(ctx); 628 if (error) { 629 smb_error("can't get handle to requester (no /dev/"NSMB_NAME"* device)", 0); 630 return EINVAL; 631 } 632 bzero(&rq, sizeof(rq)); 633 bcopy(&ctx->ct_ssn, &rq.ioc_ssn, sizeof(struct smbioc_ossn)); 634 bcopy(&ctx->ct_sh, &rq.ioc_sh, sizeof(struct smbioc_oshare)); 635 rq.ioc_flags = flags; 636 rq.ioc_level = level; 637 if (ioctl(ctx->ct_fd, SMBIOC_LOOKUP, &rq) == -1) { 638 error = errno; 639 if (flags & SMBLK_CREATE) 640 smb_error("unable to open connection", error); 641 return error; 642 } 643 return 0; 644} 645 646int 647smb_ctx_login(struct smb_ctx *ctx) 648{ 649 struct smbioc_ossn *ssn = &ctx->ct_ssn; 650 struct smbioc_oshare *sh = &ctx->ct_sh; 651 int error; 652 653 if ((ctx->ct_flags & SMBCF_RESOLVED) == 0) { 654 smb_error("smb_ctx_resolve() should be called first", 0); 655 return EINVAL; 656 } 657 if (ctx->ct_fd != -1) { 658 close(ctx->ct_fd); 659 ctx->ct_fd = -1; 660 } 661 error = smb_ctx_gethandle(ctx); 662 if (error) { 663 smb_error("can't get handle to requester", 0); 664 return EINVAL; 665 } 666 if (ioctl(ctx->ct_fd, SMBIOC_OPENSESSION, ssn) == -1) { 667 error = errno; 668 smb_error("can't open session to server %s", error, ssn->ioc_srvname); 669 return error; 670 } 671 if (sh->ioc_share[0] == 0) 672 return 0; 673 if (ioctl(ctx->ct_fd, SMBIOC_OPENSHARE, sh) == -1) { 674 error = errno; 675 smb_error("can't connect to share //%s/%s", error, 676 ssn->ioc_srvname, sh->ioc_share); 677 return error; 678 } 679 return 0; 680} 681 682int 683smb_ctx_setflags(struct smb_ctx *ctx, int level, int mask, int flags) 684{ 685 struct smbioc_flags fl; 686 687 if (ctx->ct_fd == -1) 688 return EINVAL; 689 fl.ioc_level = level; 690 fl.ioc_mask = mask; 691 fl.ioc_flags = flags; 692 if (ioctl(ctx->ct_fd, SMBIOC_SETFLAGS, &fl) == -1) 693 return errno; 694 return 0; 695} 696 697/* 698 * level values: 699 * 0 - default 700 * 1 - server 701 * 2 - server:user 702 * 3 - server:user:share 703 */ 704static int 705smb_ctx_readrcsection(struct smb_ctx *ctx, const char *sname, int level) 706{ 707 char *p; 708 int error; 709 710 if (level >= 0) { 711 rc_getstringptr(smb_rc, sname, "charsets", &p); 712 if (p) { 713 error = smb_ctx_setcharset(ctx, p); 714 if (error) 715 smb_error("charset specification in the section '%s' ignored", error, sname); 716 } 717 } 718 if (level <= 1) { 719 rc_getint(smb_rc, sname, "timeout", &ctx->ct_ssn.ioc_timeout); 720 rc_getint(smb_rc, sname, "retry_count", &ctx->ct_ssn.ioc_retrycount); 721 } 722 if (level == 1) { 723 rc_getstringptr(smb_rc, sname, "addr", &p); 724 if (p) { 725 error = smb_ctx_setsrvaddr(ctx, p); 726 if (error) { 727 smb_error("invalid address specified in the section %s", 0, sname); 728 return error; 729 } 730 } 731 } 732 if (level >= 2) { 733 rc_getstringptr(smb_rc, sname, "password", &p); 734 if (p) 735 smb_ctx_setpassword(ctx, p); 736 } 737 rc_getstringptr(smb_rc, sname, "workgroup", &p); 738 if (p) 739 smb_ctx_setworkgroup(ctx, p); 740 return 0; 741} 742 743/* 744 * read rc file as follows: 745 * 1. read [default] section 746 * 2. override with [server] section 747 * 3. override with [server:user:share] section 748 * Since abcence of rcfile is not fatal, silently ignore this fact. 749 * smb_rc file should be closed by caller. 750 */ 751int 752smb_ctx_readrc(struct smb_ctx *ctx) 753{ 754 char sname[SMB_MAXSRVNAMELEN + SMB_MAXUSERNAMELEN + SMB_MAXSHARENAMELEN + 4]; 755/* char *p;*/ 756 757 if (smb_open_rcfile() != 0) 758 return 0; 759 760 if (ctx->ct_ssn.ioc_user[0] == 0 || ctx->ct_ssn.ioc_srvname[0] == 0) 761 return 0; 762 763 smb_ctx_readrcsection(ctx, "default", 0); 764 nb_ctx_readrcsection(smb_rc, ctx->ct_nb, "default", 0); 765 smb_ctx_readrcsection(ctx, ctx->ct_ssn.ioc_srvname, 1); 766 nb_ctx_readrcsection(smb_rc, ctx->ct_nb, ctx->ct_ssn.ioc_srvname, 1); 767 /* 768 * SERVER:USER parameters 769 */ 770 snprintf(sname, sizeof(sname), "%s:%s", ctx->ct_ssn.ioc_srvname, 771 ctx->ct_ssn.ioc_user); 772 smb_ctx_readrcsection(ctx, sname, 2); 773 774 if (ctx->ct_sh.ioc_share[0] != 0) { 775 /* 776 * SERVER:USER:SHARE parameters 777 */ 778 snprintf(sname, sizeof(sname), "%s:%s:%s", ctx->ct_ssn.ioc_srvname, 779 ctx->ct_ssn.ioc_user, ctx->ct_sh.ioc_share); 780 smb_ctx_readrcsection(ctx, sname, 3); 781 } 782 return 0; 783} 784 785