aboutsummaryrefslogtreecommitdiffstats
ModeNameSize
-rw-r--r--CHANGELOG13268logstatsplain
-rw-r--r--COPYING18110logstatsplain
-rw-r--r--FAQ608logstatsplain
-rw-r--r--MANIFEST140logstatsplain
-rw-r--r--Makefile1358logstatsplain
-rw-r--r--README2267logstatsplain
-rw-r--r--RELNOTES1818logstatsplain
-rw-r--r--TODO6237logstatsplain
-rw-r--r--archivemail.115688logstatsplain
-rwxr-xr-xarchivemail.py66298logstatsplain
-rw-r--r--archivemail.sgml22707logstatsplain
-rw-r--r--db2html.dsl1152logstatsplain
d---------examples43logstatsplain
-rw-r--r--index.html7345logstatsplain
-rw-r--r--manpage.css185logstatsplain
-rwxr-xr-xsetup.py1080logstatsplain
-rw-r--r--style.css914logstatsplain
-rwxr-xr-xtest_archivemail.py67359logstatsplain
' href='#n249'>249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524
%{
/*
 * rcfile_y.y -- Run control file parser for fetchmail
 *
 * For license terms, see the file COPYING in this directory.
 */

#include "config.h"
#include <stdio.h>
#include <sys/types.h>
#include <sys/file.h>
#if defined(HAVE_SYS_WAIT_H)
#include <sys/wait.h>
#endif
#include <sys/stat.h>
#include <errno.h>
#if defined(STDC_HEADERS)
#include <stdlib.h>
#endif
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#include <string.h>

#if NET_SECURITY
#include <net/security.h>
#endif /* NET_SECURITY */

#include "fetchmail.h"

/* parser reads these */
char *rcfile;			/* path name of rc file */
struct query cmd_opts;		/* where to put command-line info */

/* parser sets these */
struct query *querylist;	/* head of server list (globally visible) */

int yydebug;			/* in case we didn't generate with -- debug */

static struct query current;	/* current server record */
static int prc_errflag;
static struct hostdata *leadentry;
static flag trailer;

static void record_current(void);
static void user_reset(void);
static void reset_server(const char *name, int skip);

/* using Bison, this arranges that yydebug messages will show actual tokens */
extern char * yytext;
#define YYPRINT(fp, type, val)	fprintf(fp, " = \"%s\"", yytext)
%}

%union {
  int proto;
  int number;
  char *sval;
}

%token DEFAULTS POLL SKIP VIA AKA LOCALDOMAINS PROTOCOL
%token AUTHENTICATE TIMEOUT KPOP SDPS KERBEROS4 KERBEROS5 KERBEROS
%token ENVELOPE QVIRTUAL USERNAME PASSWORD FOLDER SMTPHOST MDA BSMTP LMTP
%token SMTPADDRESS SPAMRESPONSE PRECONNECT POSTCONNECT LIMIT WARNINGS
%token NETSEC INTERFACE MONITOR PLUGIN PLUGOUT
%token IS HERE THERE TO MAP WILDCARD
%token BATCHLIMIT FETCHLIMIT EXPUNGE PROPERTIES
%token SET LOGFILE DAEMON SYSLOG IDFILE INVISIBLE POSTMASTER BOUNCEMAIL
%token <proto> PROTO
%token <sval>  STRING
%token <number> NUMBER
%token NO KEEP FLUSH FETCHALL REWRITE FORCECR STRIPCR PASS8BITS DROPSTATUS
%token DNS SERVICE PORT UIDL INTERVAL MIMEDECODE CHECKALIAS

%%

rcfile		: /* empty */
		| statement_list
		;

statement_list	: statement
		| statement_list statement
		;

optmap		: MAP | /* EMPTY */;

/* future global options should also have the form SET <name> optmap <value> */
statement	: SET LOGFILE optmap STRING	{run.logfile = xstrdup($4);}
		| SET IDFILE optmap STRING	{run.idfile = xstrdup($4);}
		| SET DAEMON optmap NUMBER	{run.poll_interval = $4;}
		| SET POSTMASTER optmap STRING	{run.postmaster = xstrdup($4);}
		| SET BOUNCEMAIL		{run.bouncemail = TRUE;}
		| SET NO BOUNCEMAIL		{run.bouncemail = FALSE;}
		| SET PROPERTIES optmap STRING	{run.properties =xstrdup($4);}
		| SET SYSLOG			{run.use_syslog = TRUE;}
		| SET INVISIBLE			{run.invisible = TRUE;}

/* 
 * The way the next two productions are written depends on the fact that
 * userspecs cannot be empty.  It's a kluge to deal with files that set
 * up a load of defaults and then have poll statements following with no
 * user options at all. 
 */
		| define_server serverspecs		{record_current();}
		| define_server serverspecs userspecs

/* detect and complain about the most common user error */
		| define_server serverspecs userspecs serv_option
			{yyerror("server option after user options");}
		;

define_server	: POLL STRING		{reset_server($2, FALSE);}
		| SKIP STRING		{reset_server($2, TRUE);}
		| DEFAULTS		{reset_server("defaults", FALSE);}
  		;

serverspecs	: /* EMPTY */
		| serverspecs serv_option
		;

alias_list	: STRING		{save_str(&current.server.akalist,$1,0);}
		| alias_list STRING	{save_str(&current.server.akalist,$2,0);}
		;

domain_list	: STRING		{save_str(&current.server.localdomains,$1,0);}
		| domain_list STRING	{save_str(&current.server.localdomains,$2,0);}
		;

serv_option	: AKA alias_list
		| VIA STRING		{current.server.via = xstrdup($2);}
		| LOCALDOMAINS domain_list
		| PROTOCOL PROTO	{current.server.protocol = $2;}
		| PROTOCOL KPOP		{
					    current.server.protocol = P_POP3;

					    if (current.server.preauthenticate == A_PASSWORD)
#ifdef KERBEROS_V5
						current.server.preauthenticate = A_KERBEROS_V5;
#else
		    				current.server.preauthenticate = A_KERBEROS_V4;
#endif /* KERBEROS_V5 */
#if INET6
					    current.server.service = KPOP_PORT;
#else /* INET6 */
					    current.server.port = KPOP_PORT;
#endif /* INET6 */
					}
		| PROTOCOL SDPS		{
#ifdef SDPS_ENABLE
					    current.server.protocol = P_POP3;
					    current.server.sdps = TRUE;
#else
					    yyerror("SDPS not enabled.");
#endif /* SDPS_ENABLE */
					}
		| UIDL			{current.server.uidl = FLAG_TRUE;}
		| NO UIDL		{current.server.uidl  = FLAG_FALSE;}
		| CHECKALIAS            {current.server.checkalias = FLAG_TRUE;}
		| NO CHECKALIAS         {current.server.checkalias  = FLAG_FALSE;}
		| SERVICE STRING	{
#if INET6
					current.server.service = $2;
#endif /* INET6 */
					}
		| PORT NUMBER		{
#if !INET6
					current.server.port = $2;
#endif /* !INET6 */
					}
		| INTERVAL NUMBER		{current.server.interval = $2;}
		| AUTHENTICATE PASSWORD	{current.server.preauthenticate = A_PASSWORD;}
		| AUTHENTICATE KERBEROS4	{current.server.preauthenticate = A_KERBEROS_V4;}
                | AUTHENTICATE KERBEROS5 	{current.server.preauthenticate = A_KERBEROS_V5;}
                | AUTHENTICATE KERBEROS         {
#ifdef KERBEROS_V5
		    current.server.preauthenticate = A_KERBEROS_V5;
#else
		    current.server.preauthenticate = A_KERBEROS_V4;
#endif /* KERBEROS_V5 */
		}
		| TIMEOUT NUMBER	{current.server.timeout = $2;}

		| ENVELOPE NUMBER STRING 
					{
					    current.server.envelope = 
						xstrdup($3);
					    current.server.envskip = $2;
					}
		| ENVELOPE STRING
					{
					    current.server.envelope = 
						xstrdup($2);
					    current.server.envskip = 0;
					}

		| QVIRTUAL STRING	{current.server.qvirtual=xstrdup($2);}
		| NETSEC STRING		{
#ifdef NET_SECURITY
					    void *request;
					    int requestlen;

		    			    if (net_security_strtorequest($2, &request, &requestlen))
						yyerror("invalid security request");
					    else {
						current.server.netsec = xstrdup($2);
					        free(request);
					    }
#else
					    yyerror("network-security support disabled");
#endif /* NET_SECURITY */
					}
		| INTERFACE STRING	{
#if (defined(linux) && !defined(INET6)) || defined(__FreeBSD__)
					interface_parse($2, &current.server);
#else /* (defined(linux) && !defined(INET6)) || defined(__FreeBSD__) */
					fprintf(stderr, "fetchmail: interface option is only supported under Linux and FreeBSD\n");
#endif /* (defined(linux) && !defined(INET6)) || defined(__FreeBSD__) */
					}
		| MONITOR STRING	{
#if (defined(linux) && !defined(INET6)) || defined(__FreeBSD__)
					current.server.monitor = xstrdup($2);
#else /* (defined(linux) && !defined(INET6)) || defined(__FreeBSD__) */
					fprintf(stderr, "fetchmail: monitor option is only supported under Linux\n");
#endif /* (defined(linux) && !defined(INET6) || defined(__FreeBSD__)) */
					}
		| PLUGIN STRING		{ current.server.plugin = xstrdup($2); }
		| PLUGOUT STRING	{ current.server.plugout = xstrdup($2); }
		| DNS			{current.server.dns = FLAG_TRUE;}
		| NO DNS		{current.server.dns = FLAG_FALSE;}
		| NO ENVELOPE		{current.server.envelope = STRING_DISABLED;}
		;

userspecs	: user1opts		{record_current(); user_reset();}
		| explicits
		;

explicits	: explicitdef		{record_current(); user_reset();}
		| explicits explicitdef	{record_current(); user_reset();}
		;

explicitdef	: userdef user0opts
		;

userdef		: USERNAME STRING	{current.remotename = xstrdup($2);}
		| USERNAME mapping_list HERE
		| USERNAME STRING THERE	{current.remotename = xstrdup($2);}
		;

user0opts	: /* EMPTY */
		| user0opts user_option
		;

user1opts	: user_option
		| user1opts user_option
		;

localnames	: WILDCARD		{current.wildcard =  TRUE;}
		| mapping_list		{current.wildcard =  FALSE;}
		| mapping_list WILDCARD	{current.wildcard =  TRUE;}
		;

mapping_list	: mapping		
		| mapping_list mapping
		;

mapping		: STRING	
				{save_str_pair(&current.localnames, $1, NULL);}
		| STRING MAP STRING
				{save_str_pair(&current.localnames, $1, $3);}
		;

folder_list	: STRING		{save_str(&current.mailboxes,$1,0);}
		| folder_list STRING	{save_str(&current.mailboxes,$2,0);}
		;

smtp_list	: STRING		{save_str(&current.smtphunt, $1,TRUE);}
		| smtp_list STRING	{save_str(&current.smtphunt, $2,TRUE);}
		;

num_list	: NUMBER
			{
			    struct idlist *id;
			    id=save_str(&current.antispam,STRING_DUMMY,0);
			    id->val.status.num = $1;
			}
		| num_list NUMBER
			{
			    struct idlist *id;
			    id=save_str(&current.antispam,STRING_DUMMY,0);
			    id->val.status.num = $2;
			}
		;

user_option	: TO localnames HERE
		| TO localnames
		| IS localnames HERE
		| IS localnames

		| IS STRING THERE	{current.remotename  = xstrdup($2);}
		| PASSWORD STRING	{current.password    = xstrdup($2);}
		| FOLDER folder_list
		| SMTPHOST smtp_list
		| SMTPADDRESS STRING	{current.smtpaddress = xstrdup($2);}
		| SPAMRESPONSE num_list
		| MDA STRING		{current.mda         = xstrdup($2);}
		| BSMTP STRING		{current.bsmtp       = xstrdup($2);}
		| LMTP			{current.listener    = LMTP_MODE;}
		| PRECONNECT STRING	{current.preconnect  = xstrdup($2);}
		| POSTCONNECT STRING	{current.postconnect = xstrdup($2);}

		| KEEP			{current.keep        = FLAG_TRUE;}
		| FLUSH			{current.flush       = FLAG_TRUE;}
		| FETCHALL		{current.fetchall    = FLAG_TRUE;}
		| REWRITE		{current.rewrite     = FLAG_TRUE;}
		| FORCECR		{current.forcecr     = FLAG_TRUE;}
		| STRIPCR		{current.stripcr     = FLAG_TRUE;}
		| PASS8BITS		{current.pass8bits   = FLAG_TRUE;}
		| DROPSTATUS		{current.dropstatus  = FLAG_TRUE;}
		| MIMEDECODE		{current.mimedecode  = FLAG_TRUE;}

		| NO KEEP		{current.keep        = FLAG_FALSE;}
		| NO FLUSH		{current.flush       = FLAG_FALSE;}
		| NO FETCHALL		{current.fetchall    = FLAG_FALSE;}
		| NO REWRITE		{current.rewrite     = FLAG_FALSE;}
		| NO FORCECR		{current.forcecr     = FLAG_FALSE;}
		| NO STRIPCR		{current.stripcr     = FLAG_FALSE;}
		| NO PASS8BITS		{current.pass8bits   = FLAG_FALSE;}
		| NO DROPSTATUS		{current.dropstatus  = FLAG_FALSE;}
		| NO MIMEDECODE		{current.mimedecode  = FLAG_FALSE;}

		| LIMIT NUMBER		{current.limit       = NUM_VALUE_IN($2);}
		| WARNINGS NUMBER	{current.warnings    = NUM_VALUE_IN($2);}
		| FETCHLIMIT NUMBER	{current.fetchlimit  = NUM_VALUE_IN($2);}
		| BATCHLIMIT NUMBER	{current.batchlimit  = NUM_VALUE_IN($2);}
		| EXPUNGE NUMBER	{current.expunge     = NUM_VALUE_IN($2);}

		| PROPERTIES STRING	{current.properties  = xstrdup($2);}
		;
%%

/* lexer interface */
extern char *rcfile;
extern int prc_lineno;
extern char *yytext;
extern FILE *yyin;

static struct query *hosttail;	/* where to add new elements */

void yyerror (const char *s)
/* report a syntax error */
{
    report_at_line(stderr, 0, rcfile, prc_lineno, "%s at %s", s, 
		   (yytext && yytext[0]) ? yytext : "end of input");
    prc_errflag++;
}

int prc_filecheck(const char *pathname, const flag securecheck)
/* check that a configuration file is secure */
{
#ifndef __EMX__
    struct stat statbuf;

    errno = 0;

    /* special case useful for debugging purposes */
    if (strcmp("/dev/null", pathname) == 0)
	return(PS_SUCCESS);

    /* pass through the special name for stdin */
    if (strcmp("-", pathname) == 0)
	return(PS_SUCCESS);

    /* the run control file must have the same uid as the REAL uid of this 
       process, it must have permissions no greater than 600, and it must not 
       be a symbolic link.  We check these conditions here. */

    if (lstat(pathname, &statbuf) < 0) {
	if (errno == ENOENT) 
	    return(PS_SUCCESS);
	else {
	    report(stderr, "lstat: %s: %s\n", pathname, strerror(errno));
	    return(PS_IOERR);
	}
    }

    if (!securecheck)	return 0;

    if ((statbuf.st_mode & S_IFLNK) == S_IFLNK)
    {
	fprintf(stderr, "File %s must not be a symbolic link.\n", pathname);
	return(PS_AUTHFAIL);
    }

    if (statbuf.st_mode & ~(S_IFREG | S_IREAD | S_IWRITE | S_IEXEC | S_IXGRP))
    {
	fprintf(stderr, "File %s must have no more than -rwx--x--- (0710) permissions.\n", 
		pathname);
	return(PS_AUTHFAIL);
    }

#ifdef HAVE_GETEUID
    if (statbuf.st_uid != geteuid())
#else
    if (statbuf.st_uid != getuid())
#endif /* HAVE_GETEUID */
    {
	fprintf(stderr, "File %s must be owned by you.\n", pathname);
	return(PS_AUTHFAIL);
    }
#endif
    return(PS_SUCCESS);
}

int prc_parse_file (const char *pathname, const flag securecheck)
/* digest the configuration into a linked list of host records */
{
    prc_errflag = 0;
    querylist = hosttail = (struct query *)NULL;

    errno = 0;

    /* Check that the file is secure */
    if ( (prc_errflag = prc_filecheck(pathname, securecheck)) != 0 )
	return(prc_errflag);

    if (errno == ENOENT)
	return(PS_SUCCESS);

    /* Open the configuration file and feed it to the lexer. */
    if (strcmp(pathname, "-") == 0)
	yyin = stdin;
    else if ((yyin = fopen(pathname,"r")) == (FILE *)NULL) {
	report(stderr, "open: %s: %s\n", pathname, strerror(errno));
	return(PS_IOERR);
    }

    yyparse();		/* parse entire file */

    fclose(yyin);

    if (prc_errflag) 
	return(PS_SYNTAX);
    else
	return(PS_SUCCESS);
}

static void reset_server(const char *name, int skip)
/* clear the entire global record and initialize it with a new name */
{
    trailer = FALSE;
    memset(&current,'\0',sizeof(current));
    current.smtp_socket = -1;
    current.server.pollname = xstrdup(name);
    current.server.skip = skip;
}


static void user_reset(void)
/* clear the global current record (user parameters) used by the parser */
{
    struct hostdata save;

    /*
     * Purpose of this code is to initialize the new server block, but
     * preserve whatever server name was previously set.  Also
     * preserve server options unless the command-line explicitly
     * overrides them.
     */
    save = current.server;

    memset(&current, '\0', sizeof(current));
    current.smtp_socket = -1;

    current.server = save;
}

struct query *hostalloc(init)
/* append a host record to the host list */
struct query *init;	/* pointer to block containing initial values */
{
    struct query *node;

    /* allocate new node */
    node = (struct query *) xmalloc(sizeof(struct query));

    /* initialize it */
    if (init)
	memcpy(node, init, sizeof(struct query));
    else
    {
	memset(node, '\0', sizeof(struct query));
	node->smtp_socket = -1;
    }

    /* append to end of list */
    if (hosttail != (struct query *) 0)
	hosttail->next = node;	/* list contains at least one element */
    else
	querylist = node;	/* list is empty */
    hosttail = node;

    if (trailer)
	node->server.lead_server = leadentry;
    else
    {
	node->server.lead_server = NULL;
	leadentry = &node->server;
    }

    return(node);
}

static void record_current(void)
/* register current parameters and append to the host list */
{
    (void) hostalloc(&current);
    trailer = TRUE;
}

/* easier to do this than cope with variations in where the library lives */
int yywrap(void) {return 1;}

/* rcfile_y.y ends here */