%{
/*
- * rcfile_l.l -- lexer for the run control file
+ * rcfile_l.l -- lexer for the run control file, to be used with GNU flex.
*
* For license terms, see the file COPYING in this directory.
*/
#include "config.h"
#include "fetchmail.h"
+#include "xmalloc.h"
#include "rcfile_y.h"
int prc_lineno = 1;
#ifdef LEXDEBUG
-#define SETSTATE(n) if (yydebug) do {BEGIN(n); fprintf(stderr, "Entering lexer state %d\n", n);} while (0)
+#define SETSTATE(n) do {BEGIN(n); if (yydebug) fprintf(stderr, "Entering lexer state %d\n", n);} while (0)
#else
#define SETSTATE(n) BEGIN(n)
#endif /* LEXDEBUG */
+
+#define YY_NO_INPUT
+
%}
-/* this doesn't work with Linux lex, see the INSTALL file */
-%o 7000
-%a 4000
-%p 3000
+%option nounput noyywrap
+%option warn nodefault
+%option 8bit batch
-%s NAME PREAUTH
+%s NAME AUTH
%%
-\"[^\"]*\" {
- char buf[MSGBUFSIZE];
-
- yytext[strlen(yytext)-1] = '\0';
- escapes(yytext+1, buf);
- yylval.sval = (char *) xstrdup(buf);
- SETSTATE(0);
- return STRING;
- }
+\"[^\"]*\" |
\'[^\']*\' {
- char buf[MSGBUFSIZE];
-
- yytext[strlen(yytext)-1] = '\0';
- escapes(yytext+1, buf);
- yylval.sval = (char *) xstrdup(buf);
- SETSTATE(0);
+ char *in = xstrndup(yytext+1, yyleng-2);
+ escapes(in, in);
+ yylval.sval = in;
+ SETSTATE(0);
return STRING;
}
-"*" { BEGIN(0); return WILDCARD; }
-
<NAME>[^=;:, \t\r\n]+ {
- char buf[MSGBUFSIZE];
-
- escapes(yytext, buf);
- yylval.sval = (char *) xstrdup(buf);
- SETSTATE(0);
+ char *in = xstrdup(yytext);
+ escapes(in, in);
+ yylval.sval = in;
+ SETSTATE(0);
return STRING;
}
set { return SET; }
logfile { return LOGFILE; }
idfile { return IDFILE; }
+pidfile { return PIDFILE; }
daemon { return DAEMON; }
syslog { return SYSLOG; }
invisible { return INVISIBLE; }
showdots { return SHOWDOTS; }
postmaster { return POSTMASTER; }
bouncemail { return BOUNCEMAIL; }
+spambounce { return SPAMBOUNCE; }
+softbounce { return SOFTBOUNCE; }
warnings { return WARNINGS; }
+tracepolls { return TRACEPOLLS; }
defaults { return DEFAULTS; }
server { return POLL; }
skip { return SKIP; }
via { return VIA; }
aka { return AKA; }
-local(domains) { return LOCALDOMAINS; }
+local(domains)? { return LOCALDOMAINS; }
proto(col)? { return PROTOCOL; }
service { return SERVICE; }
port { return PORT; }
interval { return INTERVAL; }
-preauth(enticate)? { SETSTATE(PREAUTH); return PREAUTHENTICATE; }
-kerberos(_v)?4 { SETSTATE(0); return KERBEROS4; }
-kerberos(_v)?5 { SETSTATE(0); return KERBEROS5; }
-kerberos { SETSTATE(0); return KERBEROS; }
-ssh { SETSTATE(0); return SSH; }
-<PREAUTH>password { SETSTATE(0); return PASSWORD; }
+preauth(enticate)? { SETSTATE(AUTH); return AUTHENTICATE; }
+auth(enticate)? { SETSTATE(AUTH); return AUTHENTICATE; }
+any { SETSTATE(0); yylval.proto = A_ANY; return AUTHTYPE;}
+gssapi { SETSTATE(0); yylval.proto = A_GSSAPI; return AUTHTYPE;}
+kerberos(_v)?4 { SETSTATE(0); yylval.proto = A_KERBEROS_V4; return AUTHTYPE;}
+kerberos(_v)?5 { SETSTATE(0); yylval.proto = A_KERBEROS_V5; return AUTHTYPE;}
+kerberos { SETSTATE(0); yylval.proto = A_KERBEROS_V4; return AUTHTYPE;}
+ssh { SETSTATE(0); yylval.proto = A_SSH; return AUTHTYPE;}
+external { SETSTATE(0); yylval.proto = A_EXTERNAL; return AUTHTYPE;}
+(otp|opie) { SETSTATE(0); yylval.proto = A_OTP; return AUTHTYPE;}
+cram(-md5)? { SETSTATE(0); yylval.proto = A_CRAM_MD5; return AUTHTYPE;}
+msn { SETSTATE(0); yylval.proto = A_MSN; return AUTHTYPE;}
+ntlm { SETSTATE(0); yylval.proto = A_NTLM; return AUTHTYPE;}
+<AUTH>password { SETSTATE(0); yylval.proto = A_PASSWORD; return AUTHTYPE;}
timeout { return TIMEOUT;}
envelope { return ENVELOPE; }
qvirtual { return QVIRTUAL; }
+principal { return PRINCIPAL; }
+esmtpname { return ESMTPNAME; }
+esmtppassword { return ESMTPPASSWORD; }
+bad-header { return BADHEADER; }
+accept { return ACCEPT; }
+reject { return REJECT_; }
user(name)? {SETSTATE(NAME); return USERNAME; }
-pass(word)? {SETSTATE(NAME); return PASSWORD; }
+<INITIAL,NAME>pass(word)? {SETSTATE(NAME); return PASSWORD; }
folder(s)? { return FOLDER; }
smtp(host)? { return SMTPHOST; }
+fetchdomains { return FETCHDOMAINS; }
smtpaddress { return SMTPADDRESS; }
+smtpname { return SMTPNAME; }
antispam { return SPAMRESPONSE; }
mda { return MDA; }
bsmtp { return BSMTP; }
lmtp { return LMTP; }
pre(connect)? { return PRECONNECT; }
post(connect)? { return POSTCONNECT; }
-netsec { return NETSEC; }
interface { return INTERFACE; }
monitor { return MONITOR; }
plugin { return PLUGIN; }
plugout { return PLUGOUT; }
batchlimit { return BATCHLIMIT; }
fetchlimit { return FETCHLIMIT; }
+fetchsizelimit { return FETCHSIZELIMIT; }
+fastuidl { return FASTUIDL; }
expunge { return EXPUNGE; }
properties { return PROPERTIES; }
noenvelope |
nokeep |
noflush |
+nolimitflush |
nofetchall |
norewrite |
noforcecr |
nodropstatus |
nodropdelivered |
nomimedec(ode)? |
+nospambounce |
noidle {
yyless(2);
return NO;
keep { return KEEP; }
flush { return FLUSH; }
+limitflush { return LIMITFLUSH; }
fetchall { return FETCHALL; }
rewrite { return REWRITE; }
forcecr { return FORCECR; }
ssl { return SSL; }
sslkey { return SSLKEY; }
sslcert { return SSLCERT; }
+sslproto { return SSLPROTO; }
+sslcertck { return SSLCERTCK; }
+sslcertfile { return SSLCERTFILE; }
+sslcertpath { return SSLCERTPATH; }
+sslcommonname { return SSLCOMMONNAME; }
+sslfingerprint { return SSLFINGERPRINT; }
checkalias { return CHECKALIAS; }
limit { return LIMIT; }
(pop2)|(POP2) { yylval.proto = P_POP2; return PROTO; }
(sdps)|(SDPS) { return SDPS; }
(pop3)|(POP3) { yylval.proto = P_POP3; return PROTO; }
-(imap-k4)|(IMAP-K4) { yylval.proto = P_IMAP_K4; return PROTO; }
-(imap-gss)|(IMAP-GSS) { yylval.proto = P_IMAP_GSS; return PROTO; }
-(imap-crammd5)|(IMAP-CRAMMD5) { yylval.proto = P_IMAP_CRAM_MD5; return PROTO; }
-(imap-login)|(IMAP-LOGIN) { yylval.proto = P_IMAP_LOGIN; return PROTO; }
(imap)|(IMAP) { yylval.proto = P_IMAP; return PROTO; }
(apop)|(APOP) { yylval.proto = P_APOP; return PROTO; }
+(rpop)|(RPOP) { yylval.proto = P_RPOP; return PROTO; }
(etrn)|(ETRN) { yylval.proto = P_ETRN; return PROTO; }
+(odmr)|(ODMR) { yylval.proto = P_ODMR; return PROTO; }
(kpop)|(KPOP) { return KPOP; }
(#.*)?\\?\n { prc_lineno++; } /* newline is ignored */
--?[0-9]+/[^a-zA-Z] { yylval.number = atoi(yytext); return NUMBER; }
+-?[0-9]+ { yylval.number = atoi(yytext); return NUMBER; }
[^=;:, \t\r\n]+ {
- char buf[MSGBUFSIZE];
-
- escapes(yytext, buf);
- yylval.sval = (char *) xstrdup(buf);
+ char *in = xstrdup(yytext);
+ escapes(in, in);
+ yylval.sval = in;
return STRING;
}
%%
-void escapes(cp, tp)
-/* process standard C-style escape sequences in a string */
-const char *cp; /* source string with escapes */
-char *tp; /* target buffer for digested string */
+/** process standard C-style escape sequences in a string,
+ * this can never lengthen the output, so cp and tp may overlap as long
+ * as cp >= tp. */
+void escapes(const char *cp /** source string with escapes */,
+ char *tp /** target buffer for digested string */)
{
while (*cp)
{
int cval = 0;
- if (*cp == '\\' && strchr("0123456789xX", cp[1]))
+ /* we MUST check for NUL explicitly, as strchr(string, 0) will
+ * always succeed! */
+ if (*cp == '\\' && cp[1] && strchr("0123456789xX", cp[1]))
{
- char *dp;
+ const char *dp;
const char *hex = "00112233445566778899aAbBcCdDeEfF";
int dcount = 0;
if (*++cp == 'x' || *cp == 'X')
- for (++cp; (dp = strchr(hex, *cp)) && (dcount++ < 2); cp++)
+ for (++cp; *cp && (dp = strchr(hex, *cp)) && (dcount++ < 2); cp++)
cval = (cval * 16) + (dp - hex) / 2;
else if (*cp == '0')
- while (strchr("01234567",*cp) != (char*)NULL && (dcount++ < 3))
+ while (*cp && strchr("01234567",*cp) != (char*)NULL && (dcount++ < 3))
cval = (cval * 8) + (*cp++ - '0');
else
- while ((strchr("0123456789",*cp)!=(char*)NULL)&&(dcount++ < 3))
+ while (*cp && (strchr("0123456789",*cp)!=(char*)NULL)&&(dcount++ < 3))
cval = (cval * 10) + (*cp++ - '0');
}
else if (*cp == '\\') /* C-style character escapes */
{
switch (*++cp)
{
+ case '\n': cp++; continue; /* backslash before LF to join lines */
+ case '\0': goto done; /* ignore backslash at file end */
case '\\': cval = '\\'; break;
case 'n': cval = '\n'; break;
case 't': cval = '\t'; break;
cval = *cp++;
*tp++ = cval;
}
+done:
*tp = '\0';
}
-
projects / ~andy / fetchmail / blobdiff