X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=rcfile_y.y;h=b32a6b0cfa9143024eb3287edb280afc2a561986;hb=e75c62b234a699557c023970466a8accd0b5a7b2;hp=ea95dfad6976fb51ee8c0244593f31de8a7e5e20;hpb=cb236290e267f17d5f81a18d742b81f1b74b05a2;p=~andy%2Ffetchmail

diff --git a/rcfile_y.y b/rcfile_y.y
index ea95dfad..b32a6b0c 100644
--- a/rcfile_y.y
+++ b/rcfile_y.y
@@ -5,11 +5,13 @@
  * For license terms, see the file COPYING in this directory.
  */
 
-#include <config.h>
+#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)
@@ -20,38 +22,68 @@
 #endif
 #include <string.h>
 
+#if defined(__CYGWIN__)
+#include <sys/cygwin.h>
+#endif /* __CYGWIN__ */
+
 #include "fetchmail.h"
+#include "i18n.h"
+  
+/* parser reads these */
+char *rcfile;			/* path name of rc file */
+struct query cmd_opts;		/* where to put command-line info */
 
-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 */
+int yydebug;			/* in case we didn't generate with -- debug */
 
-static struct query current;		/* current server record */
+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);
+
+/* these should be of size PATH_MAX */
+char currentwd[1024] = "", rcfiledir[1024] = "";
 
-static void prc_register();
-static void prc_reset();
+/* 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 flag;
   int number;
   char *sval;
 }
 
-%token DEFAULTS POLL PROTOCOL AUTHENTICATE TIMEOUT KPOP KERBEROS
-%token USERNAME PASSWORD FOLDER SMTPHOST MDA IS HERE THERE TO MAP LIMIT
-%token SET BATCHLIMIT 
-%token <proto> PROTO
+%token DEFAULTS POLL SKIP VIA AKA LOCALDOMAINS PROTOCOL
+%token AUTHENTICATE TIMEOUT KPOP SDPS ENVELOPE QVIRTUAL
+%token USERNAME PASSWORD FOLDER SMTPHOST FETCHDOMAINS MDA BSMTP LMTP
+%token SMTPADDRESS SMTPNAME SPAMRESPONSE PRECONNECT POSTCONNECT LIMIT WARNINGS
+%token INTERFACE MONITOR PLUGIN PLUGOUT
+%token IS HERE THERE TO MAP
+%token BATCHLIMIT FETCHLIMIT FETCHSIZELIMIT FASTUIDL EXPUNGE PROPERTIES
+%token SET LOGFILE DAEMON SYSLOG IDFILE PIDFILE INVISIBLE POSTMASTER BOUNCEMAIL
+%token SPAMBOUNCE SOFTBOUNCE SHOWDOTS
+%token BADHEADER ACCEPT REJECT_
+%token <proto> PROTO AUTHTYPE
 %token <sval>  STRING
 %token <number> NUMBER
-%token <flag>  KEEP FLUSH FETCHALL REWRITE PORT SKIP
+%token NO KEEP FLUSH LIMITFLUSH FETCHALL REWRITE FORCECR STRIPCR PASS8BITS 
+%token DROPSTATUS DROPDELIVERED
+%token DNS SERVICE PORT UIDL INTERVAL MIMEDECODE IDLE CHECKALIAS 
+%token SSL SSLKEY SSLCERT SSLPROTO SSLCERTCK SSLCERTFILE SSLCERTPATH SSLCOMMONNAME SSLFINGERPRINT
+%token PRINCIPAL ESMTPNAME ESMTPPASSWORD
+%token TRACEPOLLS
 
-/* these are actually used by the lexer */
-%token FLAG_TRUE	2
-%token FLAG_FALSE	1
+%expect 2
+
+%destructor { free ($$); } STRING
 
 %%
 
@@ -63,50 +95,163 @@ statement_list	: statement
 		| statement_list statement
 		;
 
-/* future global options should also have the form SET <name> <value> */
-statement	: define_server serverspecs userspecs
-		| SET BATCHLIMIT MAP NUMBER	{batchlimit = $4;}
+optmap		: MAP | /* EMPTY */;
+
+/* future global options should also have the form SET <name> optmap <value> */
+statement	: SET LOGFILE optmap STRING	{run.logfile = prependdir ($4, rcfiledir); free($4);}
+		| SET IDFILE optmap STRING	{run.idfile = prependdir ($4, rcfiledir); free($4);}
+		| SET PIDFILE optmap STRING	{run.pidfile = prependdir ($4, rcfiledir); free($4);}
+		| SET DAEMON optmap NUMBER	{run.poll_interval = $4;}
+		| SET POSTMASTER optmap STRING	{run.postmaster = $4;}
+		| SET BOUNCEMAIL		{run.bouncemail = TRUE;}
+		| SET NO BOUNCEMAIL		{run.bouncemail = FALSE;}
+		| SET SPAMBOUNCE		{run.spambounce = TRUE;}
+		| SET NO SPAMBOUNCE		{run.spambounce = FALSE;}
+		| SET SOFTBOUNCE		{run.softbounce = TRUE;}
+		| SET NO SOFTBOUNCE		{run.softbounce = FALSE;}
+		| SET PROPERTIES optmap STRING	{run.properties = $4;}
+		| SET SYSLOG			{run.use_syslog = TRUE;}
+		| SET NO SYSLOG			{run.use_syslog = FALSE;}
+		| SET INVISIBLE			{run.invisible = TRUE;}
+		| SET NO INVISIBLE		{run.invisible = FALSE;}
+		| SET SHOWDOTS			{run.showdots = FLAG_TRUE;}
+		| SET NO SHOWDOTS		{run.showdots = FLAG_FALSE;}
+
+/* 
+ * 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(GT_("server option after user options"));}
 		;
 
-define_server	: POLL STRING	{strcpy(current.servername, $2);}
-		| SKIP STRING	{strcpy(current.servername, $2);
-						current.skip=($1==FLAG_TRUE);}
-		| DEFAULTS	{strcpy(current.servername,"defaults");}
+define_server	: POLL STRING		{reset_server($2, FALSE); free($2);}
+		| SKIP STRING		{reset_server($2, TRUE);  free($2);}
+		| DEFAULTS		{reset_server("defaults", FALSE);}
   		;
 
 serverspecs	: /* EMPTY */
 		| serverspecs serv_option
 		;
 
-serv_option	: PROTOCOL PROTO	{current.protocol = $2;}
+alias_list	: STRING		{save_str(&current.server.akalist,$1,0); free($1);}
+		| alias_list STRING	{save_str(&current.server.akalist,$2,0); free($2);}
+		;
+
+domain_list	: STRING		{save_str(&current.server.localdomains,$1,0); free($1);}
+		| domain_list STRING	{save_str(&current.server.localdomains,$2,0); free($2);}
+		;
+
+serv_option	: AKA alias_list
+		| VIA STRING		{current.server.via = $2;}
+		| LOCALDOMAINS domain_list
+		| PROTOCOL PROTO	{current.server.protocol = $2;}
 		| PROTOCOL KPOP		{
-					    current.protocol = P_POP3;
-		    			    current.authenticate = A_KERBEROS;
-					    current.port = KPOP_PORT;
+					    current.server.protocol = P_POP3;
+
+					    if (current.server.authenticate == A_PASSWORD)
+#ifdef KERBEROS_V5
+						current.server.authenticate = A_KERBEROS_V5;
+#else
+						current.server.authenticate = A_KERBEROS_V4;
+#endif /* KERBEROS_V5 */
+					    current.server.service = KPOP_PORT;
+					}
+		| PRINCIPAL STRING	{current.server.principal = $2;}
+		| ESMTPNAME STRING	{current.server.esmtp_name = $2;}
+		| ESMTPPASSWORD STRING	{current.server.esmtp_password = $2;}
+		| PROTOCOL SDPS		{
+#ifdef SDPS_ENABLE
+					    current.server.protocol = P_POP3;
+					    current.server.sdps = TRUE;
+#else
+					    yyerror(GT_("SDPS not enabled."));
+#endif /* SDPS_ENABLE */
 					}
-		| PORT NUMBER		{current.port = $2;}
-		| AUTHENTICATE PASSWORD	{current.authenticate = A_PASSWORD;}
-		| AUTHENTICATE KERBEROS	{current.authenticate = A_KERBEROS;}
-		| TIMEOUT NUMBER	{current.timeout = $2;}
+		| 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	{
+					current.server.service = $2;
+					}
+		| SERVICE NUMBER	{
+					int port = $2;
+					char buf[10];
+					snprintf(buf, sizeof buf, "%d", port);
+					current.server.service = xstrdup(buf);
+		}
+		| PORT NUMBER		{
+					int port = $2;
+					char buf[10];
+					snprintf(buf, sizeof buf, "%d", port);
+					current.server.service = xstrdup(buf);
+		}
+		| INTERVAL NUMBER
+			{current.server.interval = $2;}
+		| AUTHENTICATE AUTHTYPE
+			{current.server.authenticate = $2;}
+		| TIMEOUT NUMBER
+			{current.server.timeout = $2;}
+		| ENVELOPE NUMBER STRING
+					{
+					    current.server.envelope = $3;
+					    current.server.envskip = $2;
+					}
+		| ENVELOPE STRING
+					{
+					    current.server.envelope = $2;
+					    current.server.envskip = 0;
+					}
+
+		| QVIRTUAL STRING	{current.server.qvirtual = $2;}
+		| INTERFACE STRING	{
+#ifdef CAN_MONITOR
+					interface_parse($2, &current.server);
+#else
+					fprintf(stderr, GT_("fetchmail: interface option is only supported under Linux (without IPv6) and FreeBSD\n"));
+#endif
+					free($2);
+					}
+		| MONITOR STRING	{
+#ifdef CAN_MONITOR
+					current.server.monitor = $2;
+#else
+					fprintf(stderr, GT_("fetchmail: monitor option is only supported under Linux (without IPv6) and FreeBSD\n"));
+					free($2);
+#endif
+					}
+		| PLUGIN STRING		{ current.server.plugin = $2; }
+		| PLUGOUT STRING	{ current.server.plugout = $2; }
+		| DNS			{current.server.dns = FLAG_TRUE;}
+		| NO DNS		{current.server.dns = FLAG_FALSE;}
+		| NO ENVELOPE		{current.server.envelope = STRING_DISABLED;}
+		| TRACEPOLLS		{current.server.tracepolls = FLAG_TRUE;}
+		| NO TRACEPOLLS		{current.server.tracepolls = FLAG_FALSE;}
+		| BADHEADER ACCEPT	{current.server.badheader = BHACCEPT;}
+		| BADHEADER REJECT_	{current.server.badheader = BHREJECT;}
 		;
 
-/* the first and only the first user spec may omit the USERNAME part */
-userspecs	: /* EMPTY */
-		| user1opts		{prc_register(); prc_reset();}
-		| user1opts explicits	{prc_register(); prc_reset();}
+userspecs	: user1opts		{record_current(); user_reset();}
 		| explicits
 		;
 
-explicits	: explicitdef		{prc_register(); prc_reset();}
-		| explicits explicitdef	{prc_register(); prc_reset();}
+explicits	: explicitdef		{record_current(); user_reset();}
+		| explicits explicitdef	{record_current(); user_reset();}
 		;
 
 explicitdef	: userdef user0opts
 		;
 
-userdef		: USERNAME STRING	{strcpy(current.remotename, $2);}
+userdef		: USERNAME STRING	{current.remotename = $2;}
 		| USERNAME mapping_list HERE
-		| USERNAME STRING THERE	{strcpy(current.remotename, $2);}
+		| USERNAME STRING THERE	{current.remotename = $2;}
 		;
 
 user0opts	: /* EMPTY */
@@ -121,27 +266,113 @@ mapping_list	: mapping
 		| mapping_list mapping
 		;
 
-mapping		: STRING	
-				{save_id_pair(&current.localnames, $1, NULL);}
-		| STRING MAP STRING
-				{save_id_pair(&current.localnames, $1, $3);}
+mapping		: STRING		{if (0 == strcmp($1, "*")) {
+					      current.wildcard = TRUE;
+					  } else {
+					    save_str_pair(&current.localnames, $1, NULL);
+					  }
+					 free($1);}
+		| STRING MAP STRING	{save_str_pair(&current.localnames, $1, $3); free($1); free($3);}
+		;
+
+folder_list	: STRING		{save_str(&current.mailboxes,$1,0); free($1);}
+		| folder_list STRING	{save_str(&current.mailboxes,$2,0); free($2);}
+		;
+
+smtp_list	: STRING		{save_str(&current.smtphunt, $1,TRUE); free($1);}
+		| smtp_list STRING	{save_str(&current.smtphunt, $2,TRUE); free($2);}
+		;
+
+fetch_list	: STRING		{save_str(&current.domainlist, $1,TRUE); free($1);}
+		| fetch_list STRING	{save_str(&current.domainlist, $2,TRUE); free($2);}
+		;
+
+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 mapping_list HERE
 		| TO mapping_list
 		| IS mapping_list HERE
 		| IS mapping_list
-		| IS STRING THERE	{strcpy(current.remotename, $2);}
-		| PASSWORD STRING	{strcpy(current.password, $2);}
-		| FOLDER STRING 	{strcpy(current.mailbox, $2);}
-		| SMTPHOST STRING	{strcpy(current.smtphost, $2);}
-		| MDA STRING		{strcpy(current.mda, $2);}
-
-		| KEEP			{current.keep = ($1==FLAG_TRUE);}
-		| FLUSH			{current.flush = ($1==FLAG_TRUE);}
-		| FETCHALL		{current.fetchall = ($1==FLAG_TRUE);}
-		| REWRITE		{current.norewrite = ($1==FLAG_TRUE);}
-		| LIMIT NUMBER		{current.limit = $2;}
+
+		| IS STRING THERE	{current.remotename  = $2;}
+		| PASSWORD STRING	{current.password    = $2;}
+		| FOLDER folder_list
+		| SMTPHOST smtp_list
+		| FETCHDOMAINS fetch_list
+		| SMTPADDRESS STRING	{current.smtpaddress = $2;}
+		| SMTPNAME STRING	{current.smtpname =    $2;}
+		| SPAMRESPONSE num_list
+		| MDA STRING		{current.mda         = $2;}
+		| BSMTP STRING		{current.bsmtp       = prependdir ($2, rcfiledir); free($2);}
+		| LMTP			{current.listener    = LMTP_MODE;}
+		| PRECONNECT STRING	{current.preconnect  = $2;}
+		| POSTCONNECT STRING	{current.postconnect = $2;}
+
+		| KEEP			{current.keep        = FLAG_TRUE;}
+		| FLUSH			{current.flush       = FLAG_TRUE;}
+		| LIMITFLUSH		{current.limitflush  = 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;}
+                | DROPDELIVERED         {current.dropdelivered = FLAG_TRUE;}
+		| MIMEDECODE		{current.mimedecode  = FLAG_TRUE;}
+		| IDLE			{current.idle        = FLAG_TRUE;}
+
+		| SSL 	                {
+#ifdef SSL_ENABLE
+		    current.use_ssl = FLAG_TRUE;
+#else
+		    yyerror(GT_("SSL is not enabled"));
+#endif 
+		}
+		| SSLKEY STRING		{current.sslkey = prependdir ($2, rcfiledir); free($2);}
+		| SSLCERT STRING	{current.sslcert = prependdir ($2, rcfiledir); free($2);}
+		| SSLPROTO STRING	{current.sslproto = $2;}
+		| SSLCERTCK             {current.sslcertck = FLAG_TRUE;}
+		| SSLCERTFILE STRING    {current.sslcertfile = prependdir($2, rcfiledir); free($2);}
+		| SSLCERTPATH STRING    {current.sslcertpath = prependdir($2, rcfiledir); free($2);}
+		| SSLCOMMONNAME STRING  {current.sslcommonname = $2;}
+		| SSLFINGERPRINT STRING {current.sslfingerprint = $2;}
+
+		| NO KEEP		{current.keep        = FLAG_FALSE;}
+		| NO FLUSH		{current.flush       = FLAG_FALSE;}
+		| NO LIMITFLUSH		{current.limitflush  = 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 DROPDELIVERED      {current.dropdelivered = FLAG_FALSE;}
+		| NO MIMEDECODE		{current.mimedecode  = FLAG_FALSE;}
+		| NO IDLE		{current.idle        = FLAG_FALSE;}
+
+		| NO SSL 	        {current.use_ssl     = 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);}
+		| FETCHSIZELIMIT NUMBER	{current.fetchsizelimit = NUM_VALUE_IN($2);}
+		| FASTUIDL NUMBER	{current.fastuidl    = NUM_VALUE_IN($2);}
+		| BATCHLIMIT NUMBER	{current.batchlimit  = NUM_VALUE_IN($2);}
+		| EXPUNGE NUMBER	{current.expunge     = NUM_VALUE_IN($2);}
+
+		| PROPERTIES STRING	{current.properties  = $2;}
 		;
 %%
 
@@ -156,85 +387,133 @@ static struct query *hosttail;	/* where to add new elements */
 void yyerror (const char *s)
 /* report a syntax error */
 {
-    fprintf(stderr,"%s line %d: %s at %s\n", rcfile, prc_lineno, s, yytext);
+    report_at_line(stderr, 0, rcfile, prc_lineno, GT_("%s at %s"), s, 
+		   (yytext && yytext[0]) ? yytext : GT_("end of input"));
     prc_errflag++;
 }
 
-int prc_filecheck(pathname)
-/* check that a configuration file is secure */
-const char *pathname;		/* pathname for the configuration file */
+/** check that a configuration file is secure, returns PS_* status codes */
+int prc_filecheck(const char *pathname,
+		  const flag securecheck /** shortcuts permission, filetype and uid tests if false */)
 {
+#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. */
 
-    errno = 0;
-    if (lstat(pathname, &statbuf) < 0) {
+    if (stat(pathname, &statbuf) < 0) {
 	if (errno == ENOENT) 
-	    return(0);
+	    return(PS_SUCCESS);
 	else {
-	    perror(pathname);
+	    report(stderr, "lstat: %s: %s\n", pathname, strerror(errno));
 	    return(PS_IOERR);
 	}
     }
 
-    if ((statbuf.st_mode & S_IFLNK) == S_IFLNK) {
-	fprintf(stderr, "File %s must not be a symbolic link.\n", pathname);
-	return(PS_AUTHFAIL);
+    if (!securecheck)	return PS_SUCCESS;
+
+    if (!S_ISREG(statbuf.st_mode))
+    {
+	fprintf(stderr, GT_("File %s must be a regular file.\n"), pathname);
+	return(PS_IOERR);
     }
 
-    if (statbuf.st_mode & ~(S_IFREG | S_IREAD | S_IWRITE)) {
-	fprintf(stderr, "File %s must have no more than -rw------ permissions.\n", 
+#ifndef __BEOS__
+#ifdef __CYGWIN__
+    if (cygwin_internal(CW_CHECK_NTSEC, pathname))
+#endif /* __CYGWIN__ */
+    if (statbuf.st_mode & (S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH | S_IXOTH))
+    {
+	fprintf(stderr, GT_("File %s must have no more than -rwx------ (0700) permissions.\n"), 
 		pathname);
-	return(PS_AUTHFAIL);
+	return(PS_IOERR);
     }
-
-    if (statbuf.st_uid != getuid()) {
-	fprintf(stderr, "File %s must be owned by you.\n", pathname);
-	return(PS_AUTHFAIL);
+#endif /* __BEOS__ */
+
+#ifdef HAVE_GETEUID
+    if (statbuf.st_uid != geteuid())
+#else
+    if (statbuf.st_uid != getuid())
+#endif /* HAVE_GETEUID */
+    {
+	fprintf(stderr, GT_("File %s must be owned by you.\n"), pathname);
+	return(PS_IOERR);
     }
-
-    return(0);
+#endif
+    return(PS_SUCCESS);
 }
 
-int prc_parse_file (pathname)
+int prc_parse_file (const char *pathname, const flag securecheck)
 /* digest the configuration into a linked list of host records */
-const char *pathname;		/* pathname for the configuration file */
 {
     prc_errflag = 0;
     querylist = hosttail = (struct query *)NULL;
-    prc_reset();
+
+    errno = 0;
 
     /* Check that the file is secure */
-    if ((prc_errflag = prc_filecheck(pathname)) != 0)
+    if ( (prc_errflag = prc_filecheck(pathname, securecheck)) != 0 )
 	return(prc_errflag);
 
-    if (errno == ENOENT)
-	return(0);
-
-    /* Open the configuration and feed it to the lexer. */
-    if ((yyin = fopen(pathname,"r")) == (FILE *)NULL) {
-	perror(pathname);
+    /*
+     * Croak if the configuration directory does not exist.
+     * This probably means an NFS mount failed and we can't
+     * see a configuration file that ought to be there.
+     * Question: is this a portable check? It's not clear
+     * that all implementations of lstat() will return ENOTDIR
+     * rather than plain ENOENT in this case...
+     */
+    if (errno == ENOTDIR)
+	return(PS_IOERR);
+    else 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);
+    fclose(yyin);	/* not checking this should be safe, file mode was r */
 
     if (prc_errflag) 
 	return(PS_SYNTAX);
     else
-	return(0);
+	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;
+    current.server.principal = (char *)NULL;
 }
 
-static void prc_reset(void)
-/* clear the global current record (server parameters) used by the parser */
+
+static void user_reset(void)
+/* clear the global current record (user parameters) used by the parser */
 {
-    char	savename[HOSTLEN+1];
-    int		saveport, saveproto, saveauth, saveskip;
+    struct hostdata save;
 
     /*
      * Purpose of this code is to initialize the new server block, but
@@ -242,23 +521,17 @@ static void prc_reset(void)
      * preserve server options unless the command-line explicitly
      * overrides them.
      */
-    (void) strcpy(savename, current.servername);
-    saveport = current.port;
-    saveproto = current.protocol;
-    saveauth = current.authenticate;
-    saveskip = current.skip;
+    save = current.server;
 
     memset(&current, '\0', sizeof(current));
+    current.smtp_socket = -1;
 
-    (void) strcpy(current.servername, savename);
-    current.protocol = saveproto;
-    current.authenticate = saveauth;
-    current.skip = saveskip;
+    current.server = save;
 }
 
-struct query *hostalloc(init)
-/* append a host record to the host list */
-struct query *init;	/* pointer to block containing initial values */
+/** append a host record to the host list */
+struct query *hostalloc(struct query *init /** pointer to block containing
+					       initial values */)
 {
     struct query *node;
 
@@ -266,7 +539,13 @@ struct query *init;	/* pointer to block containing initial values */
     node = (struct query *) xmalloc(sizeof(struct query));
 
     /* initialize it */
-    memcpy(node, init, sizeof(struct query));
+    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)
@@ -274,66 +553,40 @@ struct query *init;	/* pointer to block containing initial values */
     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 prc_register(void)
+static void record_current(void)
 /* register current parameters and append to the host list */
 {
-#define STR_FORCE(fld, len) if (cmd_opts.fld[0]) \
-    					strcpy(current.fld, cmd_opts.fld)
-    STR_FORCE(remotename, USERNAMELEN);
-    STR_FORCE(password, PASSWORDLEN);
-    STR_FORCE(mailbox, FOLDERLEN);
-    STR_FORCE(smtphost, HOSTLEN);
-    STR_FORCE(mda, MDALEN);
-#undef STR_FORCE
-    
-#define FLAG_FORCE(fld) if (cmd_opts.fld) current.fld = cmd_opts.fld
-    FLAG_FORCE(protocol);
-    FLAG_FORCE(keep);
-    FLAG_FORCE(flush);
-    FLAG_FORCE(fetchall);
-    FLAG_FORCE(norewrite);
-    FLAG_FORCE(skip);
-    FLAG_FORCE(port);
-    FLAG_FORCE(authenticate);
-    FLAG_FORCE(timeout);
-    FLAG_FORCE(limit);
-#undef FLAG_FORCE
-
     (void) hostalloc(&current);
+    trailer = TRUE;
 }
 
-void optmerge(struct query *h2, struct query *h1)
-/* merge two options records; empty fields in h2 are filled in from h1 */
+char *prependdir (const char *file, const char *dir)
+/* if a filename is relative to dir, convert it to an absolute path */
 {
-    append_uid_list(&h2->localnames, &h1->localnames);
-
-#define STR_MERGE(fld, len) if (*(h2->fld) == '\0') strcpy(h2->fld, h1->fld)
-    STR_MERGE(remotename, USERNAMELEN);
-    STR_MERGE(password, PASSWORDLEN);
-    STR_MERGE(mailbox, FOLDERLEN);
-    STR_MERGE(smtphost, HOSTLEN);
-    STR_MERGE(mda, MDALEN);
-#undef STR_MERGE
-
-#define FLAG_MERGE(fld) if (!h2->fld) h2->fld = h1->fld
-    FLAG_MERGE(protocol);
-    FLAG_MERGE(keep);
-    FLAG_MERGE(flush);
-    FLAG_MERGE(fetchall);
-    FLAG_MERGE(norewrite);
-    FLAG_MERGE(skip);
-    FLAG_MERGE(port);
-    FLAG_MERGE(authenticate);
-    FLAG_MERGE(timeout);
-    FLAG_MERGE(limit);
-#undef FLAG_MERGE
-
+    char *newfile;
+    if (!file[0] ||			/* null path */
+	file[0] == '/' ||		/* absolute path */
+	strcmp(file, "-") == 0 ||	/* stdin/stdout */
+	!dir[0])			/* we don't HAVE_GETCWD */
+	return xstrdup (file);
+    newfile = (char *)xmalloc (strlen (dir) + 1 + strlen (file) + 1);
+    if (dir[strlen(dir) - 1] != '/')
+	sprintf (newfile, "%s/%s", dir, file);
+    else
+	sprintf (newfile, "%s%s", dir, file);
+    return newfile;
 }
 
-/* easier to do this than cope with variations in where the library lives */
-int yywrap(void) {return 1;}
-
 /* rcfile_y.y ends here */