| 1 | /************************************************* |
| 2 | * Exim - an Internet mail transport agent * |
| 3 | *************************************************/ |
| 4 | |
| 5 | /* Copyright (c) Wolfgang Breyha 2005 - 2019 |
| 6 | * Vienna University Computer Center |
| 7 | * wbreyha@gmx.net |
| 8 | * See the file NOTICE for conditions of use and distribution. |
| 9 | * |
| 10 | * Copyright (c) The Exim Maintainers 2015 - 2019 |
| 11 | */ |
| 12 | |
| 13 | /* Code for calling dccifd. Called from acl.c. */ |
| 14 | |
| 15 | #include "exim.h" |
| 16 | #ifdef EXPERIMENTAL_DCC |
| 17 | #include "dcc.h" |
| 18 | #include "unistd.h" |
| 19 | |
| 20 | #define DCC_HEADER_LIMIT 120 |
| 21 | |
| 22 | int dcc_ok = 0; |
| 23 | int dcc_rc = 0; |
| 24 | |
| 25 | /* This function takes a file descriptor and a buffer as input and |
| 26 | * returns either 0 for success or errno in case of error. */ |
| 27 | |
| 28 | int flushbuffer (int socket, gstring *buffer) |
| 29 | { |
| 30 | int retval, rsp; |
| 31 | rsp = write(socket, buffer->s, buffer->ptr); |
| 32 | DEBUG(D_acl) |
| 33 | debug_printf("DCC: flushbuffer(): Result of the write() = %d\n", rsp); |
| 34 | if(rsp < 0) { |
| 35 | DEBUG(D_acl) |
| 36 | debug_printf("DCC: flushbuffer(): Error writing buffer to socket: %s\n", strerror(errno)); |
| 37 | retval = errno; |
| 38 | } |
| 39 | else { |
| 40 | DEBUG(D_acl) |
| 41 | debug_printf("DCC: flushbuffer(): Wrote buffer to socket:\n%.*s\n", buffer->ptr, buffer->s); |
| 42 | retval = 0; |
| 43 | } |
| 44 | return retval; |
| 45 | } |
| 46 | |
| 47 | int |
| 48 | dcc_process(uschar **listptr) |
| 49 | { |
| 50 | int sep = 0; |
| 51 | const uschar *list = *listptr; |
| 52 | FILE *data_file; |
| 53 | uschar *dcc_default_ip_option = US"127.0.0.1"; |
| 54 | uschar *dcc_helo_option = US"localhost"; |
| 55 | uschar *xtra_hdrs = NULL; |
| 56 | uschar *override_client_ip = NULL; |
| 57 | |
| 58 | /* from local_scan */ |
| 59 | int dcc_resplen, retval, sockfd, resp; |
| 60 | unsigned int portnr; |
| 61 | struct sockaddr_un serv_addr; |
| 62 | struct sockaddr_in serv_addr_in; |
| 63 | struct hostent *ipaddress; |
| 64 | uschar sockpath[128]; |
| 65 | uschar sockip[40], client_ip[40]; |
| 66 | gstring *dcc_headers; |
| 67 | gstring *sendbuf; |
| 68 | uschar *dcc_return_text; |
| 69 | struct header_line *mail_headers; |
| 70 | uschar *dcc_acl_options; |
| 71 | gstring *dcc_xtra_hdrs; |
| 72 | gstring *dcc_header_str; |
| 73 | |
| 74 | /* grep 1st option */ |
| 75 | if ((dcc_acl_options = string_nextinlist(&list, &sep, NULL, 0))) { |
| 76 | /* parse 1st option */ |
| 77 | if ( strcmpic(dcc_acl_options, US"false") == 0 |
| 78 | || Ustrcmp(dcc_acl_options, "0") == 0) |
| 79 | return FAIL; /* explicitly no matching */ |
| 80 | } |
| 81 | else |
| 82 | return FAIL; /* empty means "don't match anything" */ |
| 83 | |
| 84 | sep = 0; |
| 85 | |
| 86 | /* if we scanned this message last time, just return */ |
| 87 | if (dcc_ok) |
| 88 | return dcc_rc; |
| 89 | |
| 90 | /* open the spooled body */ |
| 91 | for (int i = 0; i < 2; i++) { |
| 92 | uschar message_subdir[2]; |
| 93 | set_subdir_str(message_subdir, message_id, i); |
| 94 | if ((data_file = Ufopen( |
| 95 | spool_fname(US"input", message_subdir, message_id, US"-D"), "rb"))) |
| 96 | break; |
| 97 | } |
| 98 | |
| 99 | if (!data_file) { |
| 100 | /* error while spooling */ |
| 101 | log_write(0, LOG_MAIN|LOG_PANIC, |
| 102 | "DCC: error while opening spool file"); |
| 103 | return DEFER; |
| 104 | } |
| 105 | |
| 106 | /* Initialize the variables */ |
| 107 | |
| 108 | bzero(sockip,sizeof(sockip)); |
| 109 | if (dccifd_address) { |
| 110 | if (dccifd_address[0] == '/') |
| 111 | Ustrncpy(sockpath, dccifd_address, sizeof(sockpath)); |
| 112 | else |
| 113 | if( sscanf(CS dccifd_address, "%s %u", sockip, &portnr) != 2) { |
| 114 | log_write(0, LOG_MAIN, |
| 115 | "DCC: warning - invalid dccifd address: '%s'", dccifd_address); |
| 116 | (void)fclose(data_file); |
| 117 | return DEFER; |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | /* dcc_headers is what we send as dccifd options - see man dccifd */ |
| 122 | /* We don't support any other option than 'header' so just copy that */ |
| 123 | dcc_headers = string_cat(NULL, dccifd_options); |
| 124 | /* if $acl_m_dcc_override_client_ip is set use it */ |
| 125 | if (((override_client_ip = expand_string(US"$acl_m_dcc_override_client_ip")) != NULL) && |
| 126 | (override_client_ip[0] != '\0')) { |
| 127 | Ustrncpy(client_ip, override_client_ip, sizeof(client_ip)-1); |
| 128 | DEBUG(D_acl) |
| 129 | debug_printf("DCC: Client IP (overridden): %s\n", client_ip); |
| 130 | } |
| 131 | else if(sender_host_address) { |
| 132 | /* else if $sender_host_address is available use that? */ |
| 133 | Ustrncpy(client_ip, sender_host_address, sizeof(client_ip)-1); |
| 134 | DEBUG(D_acl) |
| 135 | debug_printf("DCC: Client IP (sender_host_address): %s\n", client_ip); |
| 136 | } |
| 137 | else { |
| 138 | /* sender_host_address is NULL which means it comes from localhost */ |
| 139 | Ustrncpy(client_ip, dcc_default_ip_option, sizeof(client_ip)-1); |
| 140 | DEBUG(D_acl) |
| 141 | debug_printf("DCC: Client IP (default): %s\n", client_ip); |
| 142 | } |
| 143 | /* build options block */ |
| 144 | dcc_headers = string_append(dcc_headers, 5, US"\n", client_ip, US"\nHELO ", dcc_helo_option, US"\n"); |
| 145 | |
| 146 | /* initialize the other variables */ |
| 147 | mail_headers = header_list; |
| 148 | /* we set the default return value to DEFER */ |
| 149 | retval = DEFER; |
| 150 | |
| 151 | /* send a null return path as "<>". */ |
| 152 | dcc_headers = string_cat (dcc_headers, *sender_address ? sender_address : US"<>"); |
| 153 | dcc_headers = string_catn(dcc_headers, US"\n", 1); |
| 154 | |
| 155 | /************************************** |
| 156 | * Now creating the socket connection * |
| 157 | **************************************/ |
| 158 | |
| 159 | /* If sockip contains an ip, we use a tcp socket, otherwise a UNIX socket */ |
| 160 | if(Ustrcmp(sockip, "")) { |
| 161 | ipaddress = gethostbyname(CS sockip); |
| 162 | bzero(CS &serv_addr_in, sizeof(serv_addr_in)); |
| 163 | serv_addr_in.sin_family = AF_INET; |
| 164 | bcopy(CS ipaddress->h_addr, CS &serv_addr_in.sin_addr.s_addr, ipaddress->h_length); |
| 165 | serv_addr_in.sin_port = htons(portnr); |
| 166 | if ((sockfd = socket(AF_INET, SOCK_STREAM,0)) < 0) { |
| 167 | DEBUG(D_acl) |
| 168 | debug_printf("DCC: Creating TCP socket connection failed: %s\n", strerror(errno)); |
| 169 | log_write(0,LOG_PANIC,"DCC: Creating TCP socket connection failed: %s\n", strerror(errno)); |
| 170 | /* if we cannot create the socket, defer the mail */ |
| 171 | (void)fclose(data_file); |
| 172 | return retval; |
| 173 | } |
| 174 | /* Now connecting the socket (INET) */ |
| 175 | if (connect(sockfd, (struct sockaddr *)&serv_addr_in, sizeof(serv_addr_in)) < 0) { |
| 176 | DEBUG(D_acl) |
| 177 | debug_printf("DCC: Connecting to TCP socket failed: %s\n", strerror(errno)); |
| 178 | log_write(0,LOG_PANIC,"DCC: Connecting to TCP socket failed: %s\n", strerror(errno)); |
| 179 | /* if we cannot contact the socket, defer the mail */ |
| 180 | (void)fclose(data_file); |
| 181 | return retval; |
| 182 | } |
| 183 | } |
| 184 | else { |
| 185 | /* connecting to the dccifd UNIX socket */ |
| 186 | bzero(&serv_addr, sizeof(serv_addr)); |
| 187 | serv_addr.sun_family = AF_UNIX; |
| 188 | Ustrncpy(US serv_addr.sun_path, sockpath, sizeof(serv_addr.sun_path)); |
| 189 | if ((sockfd = socket(AF_UNIX, SOCK_STREAM,0)) < 0) { |
| 190 | DEBUG(D_acl) |
| 191 | debug_printf("DCC: Creating UNIX socket connection failed: %s\n", strerror(errno)); |
| 192 | log_write(0,LOG_PANIC,"DCC: Creating UNIX socket connection failed: %s\n", strerror(errno)); |
| 193 | /* if we cannot create the socket, defer the mail */ |
| 194 | (void)fclose(data_file); |
| 195 | return retval; |
| 196 | } |
| 197 | /* Now connecting the socket (UNIX) */ |
| 198 | if (connect(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) { |
| 199 | DEBUG(D_acl) |
| 200 | debug_printf("DCC: Connecting to UNIX socket failed: %s\n", strerror(errno)); |
| 201 | log_write(0,LOG_PANIC,"DCC: Connecting to UNIX socket failed: %s\n", strerror(errno)); |
| 202 | /* if we cannot contact the socket, defer the mail */ |
| 203 | (void)fclose(data_file); |
| 204 | return retval; |
| 205 | } |
| 206 | } |
| 207 | /* the socket is open, now send the options to dccifd*/ |
| 208 | DEBUG(D_acl) |
| 209 | debug_printf("DCC: -----------------------------------\nDCC: Socket opened; now sending input\n" |
| 210 | "DCC: -----------------------------------\n"); |
| 211 | |
| 212 | /* let's send each of the recipients to dccifd */ |
| 213 | for (int i = 0; i < recipients_count; i++) { |
| 214 | DEBUG(D_acl) |
| 215 | debug_printf("DCC: recipient = %s\n",recipients_list[i].address); |
| 216 | dcc_headers = string_append(dcc_headers, 2, recipients_list[i].address, "\n"); |
| 217 | } |
| 218 | /* send a blank line between options and message */ |
| 219 | dcc_headers = string_catn(dcc_headers, US"\n", 1); |
| 220 | /* Now we send the input buffer */ |
| 221 | (void) string_from_gstring(dcc_headers); |
| 222 | DEBUG(D_acl) |
| 223 | debug_printf("DCC: ***********************************\nDCC: Sending options:\n%s" |
| 224 | "DCC: ***********************************\n", dcc_headers->s); |
| 225 | if (flushbuffer(sockfd, dcc_headers) != 0) { |
| 226 | (void)fclose(data_file); |
| 227 | return retval; |
| 228 | } |
| 229 | |
| 230 | /* now send the message */ |
| 231 | /* First send the headers */ |
| 232 | DEBUG(D_acl) |
| 233 | debug_printf("DCC: ***********************************\nDCC: Sending headers:\n"); |
| 234 | sendbuf = string_get(8192); |
| 235 | sendbuf = string_catn(sendbuf, mail_headers->text, mail_headers->slen); |
| 236 | while((mail_headers=mail_headers->next)) { |
| 237 | sendbuf = string_catn(sendbuf, mail_headers->text, mail_headers->slen); |
| 238 | } |
| 239 | |
| 240 | /* a blank line separates header from body */ |
| 241 | sendbuf = string_catn(sendbuf, US"\r\n", 2); |
| 242 | (void) string_from_gstring(sendbuf); |
| 243 | gstring_release_unused(sendbuf); |
| 244 | DEBUG(D_acl) |
| 245 | debug_printf("%sDCC: ***********************************\n", sendbuf->s); |
| 246 | if (flushbuffer(sockfd, sendbuf) != 0) { |
| 247 | (void)fclose(data_file); |
| 248 | return retval; |
| 249 | } |
| 250 | |
| 251 | /* now send the body */ |
| 252 | DEBUG(D_acl) |
| 253 | debug_printf("DCC: ***********************************\nDCC: Writing body:\n"); |
| 254 | (void)fseek(data_file, SPOOL_DATA_START_OFFSET, SEEK_SET); |
| 255 | |
| 256 | gstring filebuf = { .size = big_buffer_size, .ptr = 0, .s = big_buffer }; |
| 257 | |
| 258 | while((filebuf.ptr = fread(filebuf.s, 1, filebuf.size, data_file)) > 0) { |
| 259 | if (flushbuffer(sockfd, &filebuf) != 0) { |
| 260 | (void)fclose(data_file); |
| 261 | return retval; |
| 262 | } |
| 263 | } |
| 264 | DEBUG(D_acl) |
| 265 | debug_printf("DCC: ***********************************\n"); |
| 266 | |
| 267 | /* shutdown() the socket */ |
| 268 | if(shutdown(sockfd, SHUT_WR) < 0) { |
| 269 | DEBUG(D_acl) |
| 270 | debug_printf("DCC: Couldn't shutdown socket: %s\n", strerror(errno)); |
| 271 | log_write(0,LOG_MAIN,"DCC: Couldn't shutdown socket: %s\n", strerror(errno)); |
| 272 | /* If there is a problem with the shutdown() |
| 273 | * defer the mail. */ |
| 274 | (void)fclose(data_file); |
| 275 | return retval; |
| 276 | } |
| 277 | DEBUG(D_acl) |
| 278 | debug_printf("DCC: Input sent.\n" |
| 279 | "DCC: +++++++++++++++++++++++++++++++++++\n" |
| 280 | "DCC: Now receiving output from server\n" |
| 281 | "DCC: -----------------------------------\n"); |
| 282 | |
| 283 | /******************************** |
| 284 | * receiving output from dccifd * |
| 285 | ********************************/ |
| 286 | |
| 287 | /****************************************************************** |
| 288 | * We should get 3 lines: * |
| 289 | * 1/ First line is overall result: either 'A' for Accept, * |
| 290 | * 'R' for Reject, 'S' for accept Some recipients or * |
| 291 | * 'T' for a Temporary error. * |
| 292 | * 2/ Second line contains the list of Accepted/Rejected * |
| 293 | * recipients in the form AARRA (A = accepted, R = rejected). * |
| 294 | * 3/ Third line contains the X-DCC header. * |
| 295 | ******************************************************************/ |
| 296 | |
| 297 | int line = 1; /* we start at the first line of the output */ |
| 298 | int bufoffset; |
| 299 | |
| 300 | dcc_header_str = string_get(DCC_HEADER_LIMIT + 2); |
| 301 | /* Let's read from the socket until there's nothing left to read */ |
| 302 | while((dcc_resplen = read(sockfd, big_buffer, big_buffer_size-1)) > 0) { |
| 303 | /* fail on read error */ |
| 304 | if(dcc_resplen < 0) { |
| 305 | DEBUG(D_acl) |
| 306 | debug_printf("DCC: Error reading from socket: %s\n", strerror(errno)); |
| 307 | (void)fclose(data_file); |
| 308 | return retval; |
| 309 | } |
| 310 | /* make the answer 0-terminated. only needed for debug_printf */ |
| 311 | DEBUG(D_acl) |
| 312 | debug_printf("DCC: Length of the output buffer is: %d\nDCC: Output buffer is:\n" |
| 313 | "DCC: -----------------------------------\n%.*s\n" |
| 314 | "DCC: -----------------------------------\n", dcc_resplen, dcc_resplen, big_buffer); |
| 315 | |
| 316 | /* Now let's read each character and see what we've got */ |
| 317 | for(bufoffset = 0; bufoffset < dcc_resplen, line <= 2; bufoffset++) { |
| 318 | /* First check if we reached the end of the line and |
| 319 | * then increment the line counter */ |
| 320 | if(big_buffer[bufoffset] == '\n') |
| 321 | line++; |
| 322 | else { |
| 323 | /* The first character of the first line is the |
| 324 | * overall response. If there's another character |
| 325 | * on that line it is not correct. */ |
| 326 | if(line == 1) { |
| 327 | if(bufoffset == 0) { |
| 328 | /* Now get the value and set the |
| 329 | * return value accordingly */ |
| 330 | switch(big_buffer[bufoffset]) { |
| 331 | case 'A': |
| 332 | DEBUG(D_acl) |
| 333 | debug_printf("DCC: Overall result = A\treturning OK\n"); |
| 334 | dcc_return_text = US"Mail accepted by DCC"; |
| 335 | dcc_result = US"A"; |
| 336 | retval = OK; |
| 337 | break; |
| 338 | case 'R': |
| 339 | DEBUG(D_acl) |
| 340 | debug_printf("DCC: Overall result = R\treturning FAIL\n"); |
| 341 | dcc_return_text = US"Rejected by DCC"; |
| 342 | dcc_result = US"R"; |
| 343 | retval = FAIL; |
| 344 | if(sender_host_name) |
| 345 | log_write(0, LOG_MAIN, "H=%s [%s] F=<%s>: rejected by DCC", |
| 346 | sender_host_name, sender_host_address, sender_address); |
| 347 | else |
| 348 | log_write(0, LOG_MAIN, "H=[%s] F=<%s>: rejected by DCC", |
| 349 | sender_host_address, sender_address); |
| 350 | break; |
| 351 | case 'S': |
| 352 | DEBUG(D_acl) |
| 353 | debug_printf("DCC: Overall result = S\treturning OK\n"); |
| 354 | dcc_return_text = US"Not all recipients accepted by DCC"; |
| 355 | /* Since we're in an ACL we want a global result |
| 356 | * so we accept for all */ |
| 357 | dcc_result = US"A"; |
| 358 | retval = OK; |
| 359 | break; |
| 360 | case 'G': |
| 361 | DEBUG(D_acl) |
| 362 | debug_printf("DCC: Overall result = G\treturning FAIL\n"); |
| 363 | dcc_return_text = US"Greylisted by DCC"; |
| 364 | dcc_result = US"G"; |
| 365 | retval = FAIL; |
| 366 | break; |
| 367 | case 'T': |
| 368 | DEBUG(D_acl) |
| 369 | debug_printf("DCC: Overall result = T\treturning DEFER\n"); |
| 370 | dcc_return_text = US"Temporary error with DCC"; |
| 371 | dcc_result = US"T"; |
| 372 | retval = DEFER; |
| 373 | log_write(0,LOG_MAIN,"Temporary error with DCC: %s\n", big_buffer); |
| 374 | break; |
| 375 | default: |
| 376 | DEBUG(D_acl) |
| 377 | debug_printf("DCC: Overall result = something else\treturning DEFER\n"); |
| 378 | dcc_return_text = US"Unknown DCC response"; |
| 379 | dcc_result = US"T"; |
| 380 | retval = DEFER; |
| 381 | log_write(0,LOG_MAIN,"Unknown DCC response: %s\n", big_buffer); |
| 382 | break; |
| 383 | } |
| 384 | } |
| 385 | else { |
| 386 | /* We're on the first line but not on the first character, |
| 387 | * there must be something wrong. */ |
| 388 | DEBUG(D_acl) debug_printf("DCC: Line = %d but bufoffset = %d != 0" |
| 389 | " character is %c - This is wrong!\n", line, bufoffset, big_buffer[bufoffset]); |
| 390 | log_write(0,LOG_MAIN,"Wrong header from DCC, output is %s\n", big_buffer); |
| 391 | } |
| 392 | } |
| 393 | else if(line == 2) { |
| 394 | /* On the second line we get a list of |
| 395 | * answers for each recipient. We don't care about |
| 396 | * it because we're in an acl and take the |
| 397 | * global result. */ |
| 398 | } |
| 399 | } |
| 400 | } |
| 401 | if(line > 2) { |
| 402 | /* The third and following lines are the X-DCC header, |
| 403 | * so we store it in dcc_header_str up to our limit. */ |
| 404 | /* check if buffer contains the end of the header .."\n\n" and truncate it */ |
| 405 | if ((big_buffer[dcc_resplen-1] == '\n') && |
| 406 | (big_buffer[dcc_resplen-2] == '\n')) |
| 407 | dcc_resplen -= 2; |
| 408 | dcc_resplen -= bufoffset; |
| 409 | if (dcc_header_str->ptr + dcc_resplen > DCC_HEADER_LIMIT) { |
| 410 | dcc_resplen = DCC_HEADER_LIMIT - dcc_header_str->ptr; |
| 411 | DEBUG(D_acl) debug_printf("DCC: We got more output than we can store" |
| 412 | "in the X-DCC header. Truncating at 120 characters.\n"); |
| 413 | } |
| 414 | dcc_header_str = string_catn(dcc_header_str, &big_buffer[bufoffset], dcc_resplen); |
| 415 | } |
| 416 | } |
| 417 | /* We have read everything from the socket. make sure the header ends with "\n" */ |
| 418 | dcc_header_str = string_catn(dcc_header_str, US"\n", 1); |
| 419 | |
| 420 | (void) string_from_gstring(dcc_header_str); |
| 421 | /* Now let's sum up what we've got. */ |
| 422 | DEBUG(D_acl) |
| 423 | debug_printf("\nDCC: --------------------------\nDCC: Overall result = %d\n" |
| 424 | "DCC: X-DCC header: %sReturn message: %s\nDCC: dcc_result: %s\n", |
| 425 | retval, dcc_header_str->s, dcc_return_text, dcc_result); |
| 426 | |
| 427 | /* We only add the X-DCC header if it starts with X-DCC */ |
| 428 | if(!(Ustrncmp(dcc_header_str->s, "X-DCC", 5))) { |
| 429 | dcc_header = dcc_header_str->s; |
| 430 | if(dcc_direct_add_header) { |
| 431 | header_add(' ' , "%s", dcc_header_str->s); |
| 432 | /* since the MIME ACL already writes the .eml file to disk without DCC Header we've to erase it */ |
| 433 | unspool_mbox(); |
| 434 | } |
| 435 | } |
| 436 | else { |
| 437 | DEBUG(D_acl) |
| 438 | debug_printf("DCC: Wrong format of the X-DCC header: %.*s\n", dcc_header_str->ptr, dcc_header_str->s); |
| 439 | } |
| 440 | |
| 441 | /* check if we should add additional headers passed in acl_m_dcc_add_header */ |
| 442 | if(dcc_direct_add_header) { |
| 443 | if (((xtra_hdrs = expand_string(US"$acl_m_dcc_add_header")) != NULL) && (xtra_hdrs[0] != '\0')) { |
| 444 | dcc_xtra_hdrs = string_cat(NULL, xtra_hdrs); |
| 445 | if (dcc_xtra_hdrs->s[dcc_xtra_hdrs->ptr - 1] != '\n') |
| 446 | dcc_xtra_hdrs = string_catn(dcc_xtra_hdrs, US"\n", 1); |
| 447 | header_add(' ', "%s", string_from_gstring(dcc_xtra_hdrs)); |
| 448 | DEBUG(D_acl) |
| 449 | debug_printf("DCC: adding additional headers in $acl_m_dcc_add_header: %.*s", dcc_xtra_hdrs->ptr, dcc_xtra_hdrs->s); |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | dcc_ok = 1; |
| 454 | /* Now return to exim main process */ |
| 455 | DEBUG(D_acl) |
| 456 | debug_printf("DCC: Before returning to exim main process:\nDCC: return_text = %s - retval = %d\n" |
| 457 | "DCC: dcc_result = %s\n", dcc_return_text, retval, dcc_result); |
| 458 | |
| 459 | (void)fclose(data_file); |
| 460 | dcc_rc = retval; |
| 461 | return dcc_rc; |
| 462 | } |
| 463 | |
| 464 | #endif |