Mercurial > noffle
annotate client.c @ 6:6e822f4b19f9 noffle
[svn] Set Client-Authenticated flag to False on connection to server.
Could have caused a failure in Online-Mode?
| author | enz |
|---|---|
| date | Thu, 10 Feb 2000 19:27:17 +0000 |
| parents | 04124a4423d4 |
| children | ab6cf19be6d3 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 client.c | |
| 3 | |
|
6
6e822f4b19f9
[svn] Set Client-Authenticated flag to False on connection to server.
enz
parents:
0
diff
changeset
|
4 $Id: client.c 11 2000-02-10 19:27:17Z enz $ |
| 0 | 5 */ |
| 6 | |
| 7 #include "client.h" | |
| 8 | |
| 9 #include <arpa/inet.h> | |
| 10 #include <ctype.h> | |
| 11 #include <netdb.h> | |
| 12 #include <netinet/in.h> | |
| 13 #include <signal.h> | |
| 14 #include <stdarg.h> | |
| 15 #include <sys/socket.h> | |
| 16 #include <unistd.h> | |
| 17 #include "config.h" | |
| 18 #include "content.h" | |
| 19 #include "dynamicstring.h" | |
| 20 #include "group.h" | |
| 21 #include "log.h" | |
| 22 #include "over.h" | |
| 23 #include "protocol.h" | |
| 24 #include "pseudo.h" | |
| 25 #include "request.h" | |
| 26 #include "util.h" | |
| 27 | |
| 28 struct | |
| 29 { | |
| 30 FILE* in; /* Receiving socket from server */ | |
| 31 FILE* out; /* Sending socket to server */ | |
| 32 Str lastCmd; /* Last command line */ | |
| 33 Str lastStat; /* Response from server to last command */ | |
| 34 Str grp; /* Selected group */ | |
| 35 int rmtFirst; /* First article of current group at server */ | |
| 36 int rmtLast; /* Last article of current group at server */ | |
| 37 Bool auth; /* Authetication already done? */ | |
| 38 Str serv; /* Remote server name */ | |
| 39 } client = { NULL, NULL, "", "", "", 1, 0, FALSE, "" }; | |
| 40 | |
| 41 static void | |
| 42 logBreakDown( void ) | |
| 43 { | |
| 44 Log_err( "Connection to remote server lost " | |
| 45 "(article numbers could be inconsistent)" ); | |
| 46 } | |
| 47 | |
| 48 static Bool | |
| 49 getLn( Str line ) | |
| 50 { | |
| 51 Bool r; | |
| 52 | |
| 53 r = Prt_getLn( line, client.in ); | |
| 54 if ( ! r ) | |
| 55 logBreakDown(); | |
| 56 return r; | |
| 57 } | |
| 58 | |
| 59 static Bool | |
| 60 getTxtLn( Str line, Bool *err ) | |
| 61 { | |
| 62 Bool r; | |
| 63 | |
| 64 r = Prt_getTxtLn( line, err, client.in ); | |
| 65 if ( *err ) | |
| 66 logBreakDown(); | |
| 67 return r; | |
| 68 } | |
| 69 | |
| 70 static void | |
| 71 putTxtBuf( const char *buf ) | |
| 72 { | |
| 73 Prt_putTxtBuf( buf, client.out ); | |
| 74 fflush( client.out ); | |
| 75 Log_dbg( "[S FLUSH]" ); | |
| 76 } | |
| 77 | |
| 78 static void | |
| 79 putEndOfTxt( void ) | |
| 80 { | |
| 81 Prt_putEndOfTxt( client.out ); | |
| 82 fflush( client.out ); | |
| 83 Log_dbg( "[S FLUSH]" ); | |
| 84 } | |
| 85 | |
| 86 static Bool | |
| 87 putCmd( const char *fmt, ... ) | |
| 88 { | |
| 89 Bool err; | |
| 90 unsigned int n; | |
| 91 Str line; | |
| 92 va_list ap; | |
| 93 | |
| 94 va_start( ap, fmt ); | |
| 95 vsnprintf( line, MAXCHAR, fmt, ap ); | |
| 96 va_end( ap ); | |
| 97 strcpy( client.lastCmd, line ); | |
| 98 Log_dbg( "[S] %s", line ); | |
| 99 n = fprintf( client.out, "%s\r\n", line ); | |
| 100 fflush( client.out ); | |
| 101 Log_dbg( "[S FLUSH]" ); | |
| 102 err = ( n != strlen( line ) + 2 ); | |
| 103 if ( err ) | |
| 104 logBreakDown();; | |
| 105 return ! err; | |
| 106 } | |
| 107 | |
| 108 static Bool | |
| 109 putCmdNoFlush( const char *fmt, ... ) | |
| 110 { | |
| 111 Bool err; | |
| 112 unsigned int n; | |
| 113 Str line; | |
| 114 va_list ap; | |
| 115 | |
| 116 va_start( ap, fmt ); | |
| 117 vsnprintf( line, MAXCHAR, fmt, ap ); | |
| 118 va_end( ap ); | |
| 119 strcpy( client.lastCmd, line ); | |
| 120 Log_dbg( "[S] %s", line ); | |
| 121 n = fprintf( client.out, "%s\r\n", line ); | |
| 122 err = ( n != strlen( line ) + 2 ); | |
| 123 if ( err ) | |
| 124 logBreakDown();; | |
| 125 return ! err; | |
| 126 } | |
| 127 | |
| 128 static int getStat( void ); | |
| 129 | |
| 130 static Bool | |
| 131 performAuth( void ) | |
| 132 { | |
| 133 int stat; | |
| 134 Str user, pass; | |
| 135 | |
| 136 Cfg_authInfo( client.serv, user, pass ); | |
| 137 if ( strcmp( user, "" ) == 0 ) | |
| 138 { | |
| 139 Log_err( "No username for authentication set" ); | |
| 140 return FALSE; | |
| 141 } | |
| 142 putCmd( "AUTHINFO USER %s", user ); | |
| 143 stat = getStat(); | |
| 144 if ( stat == STAT_AUTH_ACCEPTED ) | |
| 145 return TRUE; | |
| 146 else if ( stat != STAT_MORE_AUTH_REQUIRED ) | |
| 147 { | |
| 148 Log_err( "Username rejected. Server stat: %s", client.lastStat ); | |
| 149 return FALSE; | |
| 150 } | |
| 151 if ( strcmp( pass, "" ) == 0 ) | |
| 152 { | |
| 153 Log_err( "No password for authentication set" ); | |
| 154 return FALSE; | |
| 155 } | |
| 156 putCmd( "AUTHINFO PASS %s", pass ); | |
| 157 stat = getStat(); | |
| 158 if ( stat != STAT_AUTH_ACCEPTED ) | |
| 159 { | |
| 160 Log_err( "Password rejected. Server status: %s", client.lastStat ); | |
| 161 return FALSE; | |
| 162 } | |
| 163 return TRUE; | |
| 164 } | |
| 165 | |
| 166 static int | |
| 167 getStat( void ) | |
| 168 { | |
| 169 int result; | |
| 170 Str lastCmd; | |
| 171 | |
| 172 if ( ! getLn( client.lastStat ) ) | |
| 173 result = STAT_PROGRAM_FAULT; | |
| 174 else if ( sscanf( client.lastStat, "%d", &result ) != 1 ) | |
| 175 { | |
| 176 Log_err( "Invalid server status: %s", client.lastStat ); | |
| 177 result = STAT_PROGRAM_FAULT; | |
| 178 } | |
| 179 if ( result == STAT_AUTH_REQUIRED && ! client.auth ) | |
| 180 { | |
| 181 client.auth = TRUE; | |
| 182 strcpy( lastCmd, client.lastCmd ); | |
| 183 if ( performAuth() ) | |
| 184 { | |
| 185 putCmd( lastCmd ); | |
| 186 return getStat(); | |
| 187 } | |
| 188 } | |
| 189 return result; | |
| 190 } | |
| 191 | |
| 192 static void | |
| 193 connectAlarm( int sig ) | |
| 194 { | |
| 195 return; | |
| 196 } | |
| 197 | |
| 198 static sig_t | |
| 199 installSignalHandler( int sig, sig_t handler ) | |
| 200 { | |
| 201 struct sigaction act, oldAct; | |
| 202 | |
| 203 act.sa_handler = handler; | |
| 204 sigemptyset( &act.sa_mask ); | |
| 205 act.sa_flags = 0; | |
| 206 if ( sig == SIGALRM ) | |
| 207 act.sa_flags |= SA_INTERRUPT; | |
| 208 else | |
| 209 act.sa_flags |= SA_RESTART; | |
| 210 if ( sigaction( sig, &act, &oldAct ) < 0 ) | |
| 211 return SIG_ERR; | |
| 212 return oldAct.sa_handler; | |
| 213 } | |
| 214 | |
| 215 static Bool | |
| 216 connectWithTimeout( int sock, const struct sockaddr *servAddr, | |
| 217 socklen_t addrLen ) | |
| 218 { | |
| 219 sig_t oldHandler; | |
| 220 int r, to; | |
| 221 | |
| 222 oldHandler = installSignalHandler( SIGALRM, connectAlarm ); | |
| 223 if ( oldHandler == SIG_ERR ) | |
| 224 { | |
| 225 Log_err( "client.c:connectWithTimeout: signal failed." ); | |
| 226 return FALSE; | |
| 227 } | |
| 228 to = Cfg_connectTimeout(); | |
| 229 if ( alarm( to ) != 0 ) | |
| 230 Log_err( "client.c:connectWithTimeout: Alarm was already set." ); | |
| 231 r = connect( sock, servAddr, addrLen ); | |
| 232 alarm( 0 ); | |
| 233 installSignalHandler( SIGALRM, oldHandler ); | |
| 234 return ( r >= 0 ); | |
| 235 } | |
| 236 | |
| 237 Bool | |
| 238 Client_connect( const char *serv ) | |
| 239 { | |
| 240 unsigned short int port; | |
| 241 int sock, i; | |
| 242 unsigned int stat; | |
| 243 struct hostent *hp; | |
| 244 char *pStart, *pColon; | |
| 245 Str host, s; | |
| 246 struct sockaddr_in sIn; | |
| 247 | |
|
6
6e822f4b19f9
[svn] Set Client-Authenticated flag to False on connection to server.
enz
parents:
0
diff
changeset
|
248 client.auth = FALSE; |
| 0 | 249 Utl_cpyStr( s, serv ); |
| 250 pStart = Utl_stripWhiteSpace( s ); | |
| 251 pColon = strstr( pStart, ":" ); | |
| 252 if ( pColon == NULL ) | |
| 253 { | |
| 254 strcpy( host, pStart ); | |
| 255 port = 119; | |
| 256 } | |
| 257 else | |
| 258 { | |
| 259 *pColon = '\0'; | |
| 260 strcpy( host, pStart ); | |
| 261 if ( sscanf( pColon + 1, "%hi", &port ) != 1 ) | |
| 262 { | |
| 263 Log_err( "Syntax error in server name: '%s'", serv ); | |
| 264 return FALSE;; | |
| 265 } | |
| 266 if ( port <= 0 || port > 65535 ) | |
| 267 { | |
| 268 Log_err( "Invalid port number %hi. Must be in [1, 65535]", port ); | |
| 269 return FALSE;; | |
| 270 } | |
| 271 } | |
| 272 memset( (void *)&sIn, 0, sizeof( sIn ) ); | |
| 273 hp = gethostbyname( host ); | |
| 274 if ( hp ) | |
| 275 { | |
| 276 for ( i = 0; (hp->h_addr_list)[ i ]; ++i ) | |
| 277 { | |
| 278 sIn.sin_family = hp->h_addrtype; | |
| 279 sIn.sin_port = htons( port ); | |
| 280 sIn.sin_addr = *( (struct in_addr *)hp->h_addr_list[ i ] ); | |
| 281 sock = socket( AF_INET, SOCK_STREAM, 0 ); | |
| 282 if ( sock < 0 ) | |
| 283 break; | |
| 284 if ( ! connectWithTimeout( sock, (struct sockaddr *)&sIn, | |
| 285 sizeof( sIn ) ) ) | |
| 286 { | |
| 287 close( sock ); | |
| 288 break; | |
| 289 } | |
| 290 if ( ! ( client.out = fdopen( sock, "w" ) ) | |
| 291 || ! ( client.in = fdopen( dup( sock ), "r" ) ) ) | |
| 292 { | |
| 293 close( sock ); | |
| 294 break; | |
| 295 } | |
| 296 stat = getStat(); | |
| 297 switch( stat ) { | |
| 298 case STAT_READY_POST_ALLOW: | |
| 299 case STAT_READY_NO_POST_ALLOW: | |
| 300 Log_inf( "Connected to %s:%d", | |
| 301 inet_ntoa( sIn.sin_addr ), port ); | |
| 302 Utl_cpyStr( client.serv, serv ); | |
| 303 return TRUE; | |
| 304 default: | |
| 305 Log_err( "Bad server stat %d", stat ); | |
| 306 } | |
| 307 shutdown( fileno( client.out ), 0 ); | |
| 308 } | |
| 309 } | |
| 310 return FALSE; | |
| 311 } | |
| 312 | |
| 313 static void | |
| 314 processGrps( void ) | |
| 315 { | |
| 316 char postAllow; | |
| 317 Bool err; | |
| 318 int first, last; | |
| 319 Str grp, line, file; | |
| 320 | |
| 321 while ( getTxtLn( line, &err ) && ! err ) | |
| 322 { | |
| 323 if ( sscanf( line, "%s %i %i %c", | |
| 324 grp, &last, &first, &postAllow ) != 4 ) | |
| 325 { | |
| 326 Log_err( "Unknown reply to LIST or NEWGROUPS: %s", line ); | |
| 327 continue; | |
| 328 } | |
| 329 if ( ! Grp_exists( grp ) ) | |
| 330 { | |
| 331 Log_inf( "Registering new group '%s'", grp ); | |
| 332 Grp_create( grp ); | |
| 333 /* Start local numbering with remote first number to avoid | |
| 334 new numbering at the readers if noffle is re-installed */ | |
| 335 if ( first != 0 ) | |
| 336 Grp_setFirstLast( grp, first, first - 1 ); | |
| 337 else | |
| 338 Grp_setFirstLast( grp, 1, 0 ); | |
| 339 Grp_setRmtNext( grp, first ); | |
| 340 Grp_setServ( grp, client.serv ); | |
| 341 } | |
| 342 else | |
| 343 { | |
| 344 if ( Cfg_servIsPreferential( client.serv, Grp_serv( grp ) ) ) | |
| 345 { | |
| 346 Log_inf( "Changing server for '%s': '%s'->'%s'", | |
| 347 grp, Grp_serv( grp ), client.serv ); | |
| 348 Grp_setServ( grp, client.serv ); | |
| 349 Grp_setRmtNext( grp, first ); | |
| 350 } | |
| 351 else | |
| 352 Log_dbg( "Group %s is already fetched from %s", | |
| 353 grp, Grp_serv( grp ) ); | |
| 354 | |
| 355 } | |
| 356 } | |
| 357 if ( ! err ) | |
| 358 { | |
| 359 snprintf( file, MAXCHAR, "%s/groupinfo.lastupdate", Cfg_spoolDir() ); | |
| 360 Utl_stamp( file ); | |
| 361 } | |
| 362 } | |
| 363 | |
| 364 void | |
| 365 Client_disconnect( void ) | |
| 366 { | |
| 367 if ( putCmd( "QUIT" ) ) | |
| 368 getStat(); | |
| 369 fclose( client.in ); | |
| 370 fclose( client.out ); | |
| 371 client.in = client.out = NULL; | |
| 372 } | |
| 373 | |
| 374 Bool | |
| 375 Client_getGrps( void ) | |
| 376 { | |
| 377 if ( ! putCmd( "LIST ACTIVE" ) ) | |
| 378 return FALSE; | |
| 379 if ( getStat() != STAT_GRPS_FOLLOW ) | |
| 380 { | |
| 381 Log_err( "LIST ACTIVE command failed: %s", client.lastStat ); | |
| 382 return FALSE; | |
| 383 } | |
| 384 processGrps(); | |
| 385 return TRUE; | |
| 386 } | |
| 387 | |
| 388 Bool | |
| 389 Client_getDsc( void ) | |
| 390 { | |
| 391 Bool err; | |
| 392 Str name, line, dsc; | |
| 393 | |
| 394 Log_inf( "Querying group descriptions" ); | |
| 395 if ( ! putCmd( "LIST NEWSGROUPS" ) ) | |
| 396 return FALSE; | |
| 397 if ( getStat() != STAT_GRPS_FOLLOW ) | |
| 398 { | |
| 399 Log_err( "LIST NEWSGROUPS failed: %s", client.lastStat ); | |
| 400 return FALSE; | |
| 401 } | |
| 402 while ( getTxtLn( line, &err ) && ! err ) | |
| 403 { | |
| 404 if ( sscanf( line, "%s", name ) != 1 ) | |
| 405 { | |
| 406 Log_err( "Unknown reply to LIST NEWSGROUPS: %s", line ); | |
| 407 continue; | |
| 408 } | |
| 409 strcpy( dsc, Utl_restOfLn( line, 1 ) ); | |
| 410 if ( Grp_exists( name ) ) | |
| 411 { | |
| 412 Log_dbg( "Description of %s: %s", name, dsc ); | |
| 413 Grp_setDsc( name, dsc ); | |
| 414 } | |
| 415 } | |
| 416 return TRUE; | |
| 417 } | |
| 418 | |
| 419 Bool | |
| 420 Client_getCreationTimes( void ) | |
| 421 { | |
| 422 Bool err; | |
| 423 Str name, line; | |
| 424 time_t t; | |
| 425 | |
| 426 Log_inf( "Querying group creation times" ); | |
| 427 if ( ! putCmd( "LIST ACTIVE.TIMES" ) ) | |
| 428 return FALSE; | |
| 429 if ( getStat() != STAT_GRPS_FOLLOW ) | |
| 430 { | |
| 431 Log_err( "LIST ACTIVE.TIMES failes: %s", client.lastStat ); | |
| 432 return FALSE; | |
| 433 } | |
| 434 while ( getTxtLn( line, &err ) && ! err ) | |
| 435 { | |
| 436 if ( sscanf( line, "%s %ld", name, &t ) != 2 ) | |
| 437 { | |
| 438 Log_err( "Unknown reply to LIST ACTIVE.TIMES: %s", line ); | |
| 439 continue; | |
| 440 } | |
| 441 if ( Grp_exists( name ) ) | |
| 442 { | |
| 443 Log_inf( "Creation time of %s: %ld", name, t ); | |
| 444 Grp_setCreated( name, t ); | |
| 445 } | |
| 446 } | |
| 447 return TRUE; | |
| 448 } | |
| 449 | |
| 450 Bool | |
| 451 Client_getNewgrps( const time_t *lastTime ) | |
| 452 { | |
| 453 Str s; | |
| 454 const char *p; | |
| 455 | |
| 456 ASSERT( *lastTime > 0 ); | |
| 457 strftime( s, MAXCHAR, "%Y%m%d %H%M00", gmtime( lastTime ) ); | |
| 458 /* | |
| 459 Do not use century for working with old server software until 2000. | |
| 460 According to newest IETF draft, this is still valid after 2000. | |
| 461 (directly using %y in fmt string causes a Y2K compiler warning) | |
| 462 */ | |
| 463 p = s + 2; | |
| 464 if ( ! putCmd( "NEWGROUPS %s", p ) ) | |
| 465 return FALSE; | |
| 466 if ( getStat() != STAT_NEW_GRP_FOLLOW ) | |
| 467 { | |
| 468 Log_err( "NEWGROUPS command failed: %s", client.lastStat ); | |
| 469 return FALSE; | |
| 470 } | |
| 471 processGrps(); | |
| 472 return TRUE; | |
| 473 } | |
| 474 | |
| 475 static const char * | |
| 476 readField( Str result, const char *p ) | |
| 477 { | |
| 478 size_t len; | |
| 479 char *r; | |
| 480 | |
| 481 if ( ! p ) | |
| 482 return NULL; | |
| 483 r = result; | |
| 484 *r = '\0'; | |
| 485 len = 0; | |
| 486 while ( *p != '\t' && *p != '\n' ) | |
| 487 { | |
| 488 if ( ! *p ) | |
| 489 return p; | |
| 490 *(r++) = *(p++); | |
| 491 ++len; | |
| 492 if ( len >= MAXCHAR - 1 ) | |
| 493 { | |
| 494 *r = '\0'; | |
| 495 Log_err( "Field in overview too long: %s", r ); | |
| 496 return ++p; | |
| 497 } | |
| 498 } | |
| 499 *r = '\0'; | |
| 500 return ++p; | |
| 501 } | |
| 502 | |
| 503 static Bool | |
| 504 parseOvLn( Str line, int *numb, Str subj, Str from, | |
| 505 Str date, Str msgId, Str ref, size_t *bytes, size_t *lines ) | |
| 506 { | |
| 507 const char *p; | |
| 508 Str t; | |
| 509 | |
| 510 p = readField( t, line ); | |
| 511 if ( sscanf( t, "%i", numb ) != 1 ) | |
| 512 return FALSE; | |
| 513 p = readField( subj, p ); | |
| 514 p = readField( from, p ); | |
| 515 p = readField( date, p ); | |
| 516 p = readField( msgId, p ); | |
| 517 p = readField( ref, p ); | |
| 518 p = readField( t, p ); | |
| 519 *bytes = 0; | |
| 520 *lines = 0; | |
| 521 if ( sscanf( t, "%d", bytes ) != 1 ) | |
| 522 return TRUE; | |
| 523 p = readField( t, p ); | |
| 524 if ( sscanf( t, "%d", lines ) != 1 ) | |
| 525 return TRUE; | |
| 526 return TRUE; | |
| 527 } | |
| 528 | |
| 529 static const char* | |
| 530 nextXref( const char *pXref, Str grp, int *numb ) | |
| 531 { | |
| 532 Str s; | |
| 533 const char *pColon, *src; | |
| 534 char *dst; | |
| 535 | |
| 536 src = pXref; | |
| 537 while ( *src && isspace( *src ) ) | |
| 538 ++src; | |
| 539 dst = s; | |
| 540 while ( *src && ! isspace( *src ) ) | |
| 541 *(dst++) = *(src++); | |
| 542 *dst = '\0'; | |
| 543 if ( strlen( s ) == 0 ) | |
| 544 return NULL; | |
| 545 pColon = strstr( s, ":" ); | |
| 546 if ( ! pColon || sscanf( pColon + 1, "%i", numb ) != 1 ) | |
| 547 { | |
| 548 Log_err( "Corrupt Xref at position '%s'", pXref ); | |
| 549 return NULL; | |
| 550 } | |
| 551 Utl_cpyStrN( grp, s, pColon - s ); | |
| 552 Log_dbg( "client.c: nextXref: grp '%s' numb %lu", grp, numb ); | |
| 553 return src; | |
| 554 } | |
| 555 | |
| 556 static Bool | |
| 557 needsMark( const char *ref ) | |
| 558 { | |
| 559 Bool done = FALSE; | |
| 560 char *p; | |
| 561 Str msgId; | |
| 562 int stat, len; | |
| 563 time_t lastAccess, nowTime; | |
| 564 double limit; | |
| 565 | |
| 566 nowTime = time( NULL ); | |
| 567 limit = Cfg_threadFollowTime() * 24. * 3600.; | |
| 568 while ( ! done ) | |
| 569 { | |
| 570 p = msgId; | |
| 571 while ( *ref != '<' ) | |
| 572 if ( *(ref++) == '\0' ) | |
| 573 return FALSE; | |
| 574 len = 0; | |
| 575 while ( *ref != '>' ) | |
| 576 { | |
| 577 if ( *ref == '\0' || ++len >= MAXCHAR - 1 ) | |
| 578 return FALSE; | |
| 579 *(p++) = *(ref++); | |
| 580 } | |
| 581 *(p++) = '>'; | |
| 582 *p = '\0'; | |
| 583 if ( Db_contains( msgId ) ) | |
| 584 { | |
| 585 stat = Db_stat( msgId ); | |
| 586 lastAccess = Db_lastAccess( msgId ); | |
| 587 if ( ( stat & DB_INTERESTING ) | |
| 588 && difftime( nowTime, lastAccess ) <= limit ) | |
| 589 return TRUE; | |
| 590 } | |
| 591 } | |
| 592 return FALSE; | |
| 593 } | |
| 594 | |
| 595 static void | |
| 596 prepareEntry( Over *ov ) | |
| 597 { | |
| 598 Str g, t; | |
| 599 const char *msgId, *p, *xref; | |
| 600 int n; | |
| 601 | |
| 602 msgId = Ov_msgId( ov ); | |
| 603 if ( Pseudo_isGeneralInfo( msgId ) ) | |
| 604 Log_dbg( "Skipping general info '%s'", msgId ); | |
| 605 else if ( Db_contains( msgId ) ) | |
| 606 { | |
| 607 xref = Db_xref( msgId ); | |
| 608 Log_dbg( "Entry '%s' already in db with Xref '%s'", msgId, xref ); | |
| 609 p = nextXref( xref, g, &n ); | |
| 610 if ( p == NULL ) | |
| 611 Log_err( "Overview with no group in Xref '%s'", msgId ); | |
| 612 else | |
| 613 { | |
| 614 if ( Cfg_servIsPreferential( client.serv, Grp_serv( g ) ) ) | |
| 615 { | |
| 616 Log_dbg( "Changing first server for '%s' from '%s' to '%s'", | |
| 617 msgId, Grp_serv( g ), client.serv ); | |
| 618 snprintf( t, MAXCHAR, "%s:%i %s", | |
| 619 client.grp, Ov_numb( ov ), xref ); | |
| 620 Db_setXref( msgId, t ); | |
| 621 } | |
| 622 else | |
| 623 { | |
| 624 Log_dbg( "Adding '%s' to Xref of '%s'", g, msgId ); | |
| 625 snprintf( t, MAXCHAR, "%s %s:%i", | |
| 626 xref, client.grp, Ov_numb( ov ) ); | |
| 627 Db_setXref( msgId, t ); | |
| 628 } | |
| 629 } | |
| 630 } | |
| 631 else | |
| 632 { | |
| 633 Log_dbg( "Preparing '%s' in database", msgId ); | |
| 634 Db_prepareEntry( ov, client.grp, Ov_numb( ov ) ); | |
| 635 } | |
| 636 } | |
| 637 | |
| 638 Bool | |
| 639 Client_getOver( int rmtFirst, int rmtLast, FetchMode mode ) | |
| 640 { | |
| 641 Bool err; | |
| 642 size_t bytes, lines; | |
| 643 int rmtNumb, oldLast, cntMarked; | |
| 644 Over *ov; | |
| 645 Str line, subj, from, date, msgId, ref; | |
| 646 | |
| 647 ASSERT( strcmp( client.grp, "" ) != 0 ); | |
| 648 if ( ! putCmd( "XOVER %lu-%lu", rmtFirst, rmtLast ) ) | |
| 649 return FALSE; | |
| 650 if ( getStat() != STAT_OVERS_FOLLOW ) | |
| 651 { | |
| 652 Log_err( "XOVER command failed: %s", client.lastStat ); | |
| 653 return FALSE; | |
| 654 } | |
| 655 Log_dbg( "Requesting overview for remote %lu-%lu", rmtFirst, rmtLast ); | |
| 656 oldLast = Cont_last(); | |
| 657 cntMarked = 0; | |
| 658 while ( getTxtLn( line, &err ) && ! err ) | |
| 659 { | |
| 660 if ( ! parseOvLn( line, &rmtNumb, subj, from, date, msgId, ref, | |
| 661 &bytes, &lines ) ) | |
| 662 Log_err( "Bad overview line: %s", line ); | |
| 663 else | |
| 664 { | |
| 665 ov = new_Over( subj, from, date, msgId, ref, bytes, lines ); | |
| 666 Cont_app( ov ); | |
| 667 prepareEntry( ov ); | |
| 668 if ( mode == FULL || ( mode == THREAD && needsMark( ref ) ) ) | |
| 669 { | |
| 670 Req_add( client.serv, msgId ); | |
| 671 ++cntMarked; | |
| 672 } | |
| 673 } | |
| 674 Grp_setRmtNext( client.grp, rmtNumb + 1 ); | |
| 675 } | |
| 676 if ( oldLast != Cont_last() ) | |
| 677 Log_inf( "Added %s %lu-%lu", client.grp, oldLast + 1, Cont_last() ); | |
| 678 Log_inf( "%u articles marked for download in %s", cntMarked, client.grp ); | |
| 679 return err; | |
| 680 } | |
| 681 | |
| 682 static void | |
| 683 retrievingFailed( const char* msgId, const char *reason ) | |
| 684 { | |
| 685 int stat; | |
| 686 | |
| 687 Log_err( "Retrieving of %s failed: %s", msgId, reason ); | |
| 688 stat = Db_stat( msgId ); | |
| 689 Pseudo_retrievingFailed( msgId, reason ); | |
| 690 Db_setStat( msgId, stat | DB_RETRIEVING_FAILED ); | |
| 691 } | |
| 692 | |
| 693 static Bool | |
| 694 retrieveAndStoreArt( const char *msgId ) | |
| 695 { | |
| 696 Bool err; | |
| 697 DynStr *s = NULL; | |
| 698 Str line; | |
| 699 | |
| 700 Log_inf( "Retrieving %s", msgId ); | |
| 701 s = new_DynStr( 5000 ); | |
| 702 while ( getTxtLn( line, &err ) && ! err ) | |
| 703 DynStr_appLn( s, line ); | |
| 704 if ( ! err ) | |
| 705 Db_storeArt( msgId, DynStr_str( s ) ); | |
| 706 else | |
| 707 retrievingFailed( msgId, "Connection broke down" ); | |
| 708 del_DynStr( s ); | |
| 709 return ! err; | |
| 710 } | |
| 711 | |
| 712 void | |
| 713 Client_retrieveArt( const char *msgId ) | |
| 714 { | |
| 715 if ( ! Db_contains( msgId ) ) | |
| 716 { | |
| 717 Log_err( "Article '%s' not prepared in database. Skipping.", msgId ); | |
| 718 return; | |
| 719 } | |
| 720 if ( ! ( Db_stat( msgId ) & DB_NOT_DOWNLOADED ) ) | |
| 721 { | |
| 722 Log_inf( "Article '%s' already retrieved. Skipping.", msgId ); | |
| 723 return; | |
| 724 } | |
| 725 if ( ! putCmd( "ARTICLE %s", msgId ) ) | |
| 726 retrievingFailed( msgId, "Connection broke down" ); | |
| 727 else if ( getStat() != STAT_ART_FOLLOWS ) | |
| 728 retrievingFailed( msgId, client.lastStat ); | |
| 729 else | |
| 730 retrieveAndStoreArt( msgId ); | |
| 731 } | |
| 732 | |
| 733 void | |
| 734 Client_retrieveArtList( const char *list ) | |
| 735 { | |
| 736 Str msgId; | |
| 737 DynStr *s; | |
| 738 const char *p; | |
| 739 | |
| 740 Log_inf( "Retrieving article list" ); | |
| 741 s = new_DynStr( strlen( list ) ); | |
| 742 p = list; | |
| 743 while ( ( p = Utl_getLn( msgId, p ) ) ) | |
| 744 if ( ! Db_contains( msgId ) ) | |
| 745 Log_err( "Skipping retrieving of %s (not prepared in database)", | |
| 746 msgId ); | |
| 747 else if ( ! ( Db_stat( msgId ) & DB_NOT_DOWNLOADED ) ) | |
| 748 Log_inf( "Skipping %s (already retrieved)", msgId ); | |
| 749 else if ( ! putCmdNoFlush( "ARTICLE %s", msgId ) ) | |
| 750 { | |
| 751 retrievingFailed( msgId, "Connection broke down" ); | |
| 752 del_DynStr( s ); | |
| 753 return; | |
| 754 } | |
| 755 else | |
| 756 DynStr_appLn( s, msgId ); | |
| 757 fflush( client.out ); | |
| 758 Log_dbg( "[S FLUSH]" ); | |
| 759 p = DynStr_str( s ); | |
| 760 while ( ( p = Utl_getLn( msgId, p ) ) ) | |
| 761 { | |
| 762 if ( getStat() != STAT_ART_FOLLOWS ) | |
| 763 retrievingFailed( msgId, client.lastStat ); | |
| 764 else if ( ! retrieveAndStoreArt( msgId ) ) | |
| 765 break; | |
| 766 } | |
| 767 del_DynStr( s ); | |
| 768 } | |
| 769 | |
| 770 Bool | |
| 771 Client_changeToGrp( const char* name ) | |
| 772 { | |
| 773 unsigned int stat; | |
| 774 int estimatedNumb, first, last; | |
| 775 | |
| 776 if ( ! Grp_exists( name ) ) | |
| 777 return FALSE; | |
| 778 if ( ! putCmd( "GROUP %s", name ) ) | |
| 779 return FALSE; | |
| 780 if ( getStat() != STAT_GRP_SELECTED ) | |
| 781 return FALSE; | |
| 782 if ( sscanf( client.lastStat, "%u %i %i %i", | |
| 783 &stat, &estimatedNumb, &first, &last ) != 4 ) | |
| 784 { | |
| 785 Log_err( "Bad server response to GROUP: %s", client.lastStat ); | |
| 786 return FALSE; | |
| 787 } | |
| 788 Utl_cpyStr( client.grp, name ); | |
| 789 client.rmtFirst = first; | |
| 790 client.rmtLast = last; | |
| 791 return TRUE; | |
| 792 } | |
| 793 | |
| 794 void | |
| 795 Client_rmtFirstLast( int *first, int *last ) | |
| 796 { | |
| 797 *first = client.rmtFirst; | |
| 798 *last = client.rmtLast; | |
| 799 } | |
| 800 | |
| 801 Bool | |
| 802 Client_postArt( const char *msgId, const char *artTxt, | |
| 803 Str errStr ) | |
| 804 { | |
| 805 if ( ! putCmd( "POST" ) ) | |
| 806 return FALSE; | |
| 807 if ( getStat() != STAT_SEND_ART ) | |
| 808 { | |
| 809 Log_err( "Posting of %s not allowed: %s", msgId, client.lastStat ); | |
| 810 strcpy( errStr, client.lastStat ); | |
| 811 return FALSE; | |
| 812 } | |
| 813 putTxtBuf( artTxt ); | |
| 814 putEndOfTxt(); | |
| 815 if ( getStat() != STAT_POST_OK ) | |
| 816 { | |
| 817 Log_err( "Posting of %s failed: %s", msgId, client.lastStat ); | |
| 818 strcpy( errStr, client.lastStat ); | |
| 819 return FALSE; | |
| 820 } | |
| 821 Log_inf( "Posted %s (Status: %s)", msgId, client.lastStat ); | |
| 822 return TRUE; | |
| 823 } |