4 * rcfile_l.l -- lexer for the run control file
6 * For license terms, see the file COPYING in this directory.
11 #include "fetchmail.h"
17 #define SETSTATE(n) do {BEGIN(n); if (yydebug) fprintf(stderr, "Entering lexer state %d\n", n);} while (0)
19 #define SETSTATE(n) BEGIN(n)
24 /* this doesn't work with Linux lex, see the INSTALL file */
28 %option nounput noyywrap
35 yytext[yyleng-1] = '\0';
36 escapes(yytext+1, yytext);
37 yyleng = strlen(yytext);
43 yytext[yyleng-1] = '\0';
44 escapes(yytext+1, yytext);
45 yyleng = strlen(yytext);
51 "*" { BEGIN(0); return WILDCARD; }
53 <NAME>[^=;:, \t\r\n]+ {
57 if ((size_t)yyleng + 1 > ins) {
59 in = (char *)xrealloc(in, ins);
61 memcpy(in, yytext, yyleng);
71 logfile { return LOGFILE; }
72 idfile { return IDFILE; }
73 pidfile { return PIDFILE; }
74 daemon { return DAEMON; }
75 syslog { return SYSLOG; }
76 invisible { return INVISIBLE; }
77 showdots { return SHOWDOTS; }
78 postmaster { return POSTMASTER; }
79 bouncemail { return BOUNCEMAIL; }
80 spambounce { return SPAMBOUNCE; }
81 softbounce { return SOFTBOUNCE; }
82 warnings { return WARNINGS; }
83 tracepolls { return TRACEPOLLS; }
85 defaults { return DEFAULTS; }
86 server { return POLL; }
91 local(domains) { return LOCALDOMAINS; }
92 proto(col)? { return PROTOCOL; }
93 service { return SERVICE; }
95 interval { return INTERVAL; }
96 preauth(enticate)? { SETSTATE(AUTH); return AUTHENTICATE; }
97 auth(enticate)? { SETSTATE(AUTH); return AUTHENTICATE; }
98 any { SETSTATE(0); yylval.proto = A_ANY; return AUTHTYPE;}
99 gssapi { SETSTATE(0); yylval.proto = A_GSSAPI; return AUTHTYPE;}
100 kerberos(_v)?4 { SETSTATE(0); yylval.proto = A_KERBEROS_V4; return AUTHTYPE;}
101 kerberos(_v)?5 { SETSTATE(0); yylval.proto = A_KERBEROS_V5; return AUTHTYPE;}
102 kerberos { SETSTATE(0); yylval.proto = A_KERBEROS_V4; return AUTHTYPE;}
103 ssh { SETSTATE(0); yylval.proto = A_SSH; return AUTHTYPE;}
104 external { SETSTATE(0); yylval.proto = A_EXTERNAL; return AUTHTYPE;}
105 (otp|opie) { SETSTATE(0); yylval.proto = A_OTP; return AUTHTYPE;}
106 cram(-md5)? { SETSTATE(0); yylval.proto = A_CRAM_MD5; return AUTHTYPE;}
107 msn { SETSTATE(0); yylval.proto = A_MSN; return AUTHTYPE;}
108 ntlm { SETSTATE(0); yylval.proto = A_NTLM; return AUTHTYPE;}
109 <AUTH>password { SETSTATE(0); yylval.proto = A_PASSWORD; return AUTHTYPE;}
110 timeout { return TIMEOUT;}
111 envelope { return ENVELOPE; }
112 qvirtual { return QVIRTUAL; }
113 principal { return PRINCIPAL; }
114 esmtpname { return ESMTPNAME; }
115 esmtppassword { return ESMTPPASSWORD; }
118 user(name)? {SETSTATE(NAME); return USERNAME; }
119 <INITIAL,NAME>pass(word)? {SETSTATE(NAME); return PASSWORD; }
120 folder(s)? { return FOLDER; }
121 smtp(host)? { return SMTPHOST; }
122 fetchdomains { return FETCHDOMAINS; }
123 smtpaddress { return SMTPADDRESS; }
124 smtpname { return SMTPNAME; }
125 antispam { return SPAMRESPONSE; }
127 bsmtp { return BSMTP; }
128 lmtp { return LMTP; }
129 pre(connect)? { return PRECONNECT; }
130 post(connect)? { return POSTCONNECT; }
131 interface { return INTERFACE; }
132 monitor { return MONITOR; }
133 plugin { return PLUGIN; }
134 plugout { return PLUGOUT; }
135 batchlimit { return BATCHLIMIT; }
136 fetchlimit { return FETCHLIMIT; }
137 fetchsizelimit { return FETCHSIZELIMIT; }
138 fastuidl { return FASTUIDL; }
139 expunge { return EXPUNGE; }
140 properties { return PROPERTIES; }
142 is { SETSTATE(NAME); return IS; }
143 here { return HERE; }
144 there { return THERE; }
145 to { SETSTATE(NAME); return TO; }
146 = { SETSTATE(NAME); return MAP; }
172 keep { return KEEP; }
173 flush { return FLUSH; }
174 limitflush { return LIMITFLUSH; }
175 fetchall { return FETCHALL; }
176 rewrite { return REWRITE; }
177 forcecr { return FORCECR; }
178 stripcr { return STRIPCR; }
179 pass8(bits)? { return PASS8BITS; }
180 dropstatus { return DROPSTATUS; }
181 dropdelivered { return DROPDELIVERED; }
182 mimedec(ode)? { return MIMEDECODE; }
183 idle { return IDLE; }
185 uidl { return UIDL; }
187 sslkey { return SSLKEY; }
188 sslcert { return SSLCERT; }
189 sslproto { return SSLPROTO; }
190 sslcertck { return SSLCERTCK; }
191 sslcertpath { return SSLCERTPATH; }
192 sslcommonname { return SSLCOMMONNAME; }
193 sslfingerprint { return SSLFINGERPRINT; }
194 checkalias { return CHECKALIAS; }
196 limit { return LIMIT; }
202 options {/* EMPTY */}
205 (auto)|(AUTO) { yylval.proto = P_AUTO; return PROTO; }
206 (pop2)|(POP2) { yylval.proto = P_POP2; return PROTO; }
207 (sdps)|(SDPS) { return SDPS; }
208 (pop3)|(POP3) { yylval.proto = P_POP3; return PROTO; }
209 (imap)|(IMAP) { yylval.proto = P_IMAP; return PROTO; }
210 (apop)|(APOP) { yylval.proto = P_APOP; return PROTO; }
211 (rpop)|(RPOP) { yylval.proto = P_RPOP; return PROTO; }
212 (etrn)|(ETRN) { yylval.proto = P_ETRN; return PROTO; }
213 (odmr)|(ODMR) { yylval.proto = P_ODMR; return PROTO; }
214 (kpop)|(KPOP) { return KPOP; }
216 (#.*)?\\?\n { prc_lineno++; } /* newline is ignored */
218 -?[0-9]+ { yylval.number = atoi(yytext); return NUMBER; }
221 escapes(yytext, yytext);
222 yyleng = strlen(yytext);
223 yylval.sval = yytext;
227 [ \t\r]+ ; /* whitespace */
231 /** process standard C-style escape sequences in a string,
232 * this can never lengthen the output, so cp and tp may overlap as long
234 void escapes(const char *cp /** source string with escapes */,
235 char *tp /** target buffer for digested string */)
241 /* we MUST check for NUL explicitly, as strchr(string, 0) will
243 if (*cp == '\\' && cp[1] && strchr("0123456789xX", cp[1]))
246 const char *hex = "00112233445566778899aAbBcCdDeEfF";
249 if (*++cp == 'x' || *cp == 'X')
250 for (++cp; *cp && (dp = strchr(hex, *cp)) && (dcount++ < 2); cp++)
251 cval = (cval * 16) + (dp - hex) / 2;
253 while (*cp && strchr("01234567",*cp) != (char*)NULL && (dcount++ < 3))
254 cval = (cval * 8) + (*cp++ - '0');
256 while (*cp && (strchr("0123456789",*cp)!=(char*)NULL)&&(dcount++ < 3))
257 cval = (cval * 10) + (*cp++ - '0');
259 else if (*cp == '\\') /* C-style character escapes */
263 case '\n': cp++; continue; /* backslash before LF to join lines */
264 case '\0': goto done; /* ignore backslash at file end */
265 case '\\': cval = '\\'; break;
266 case 'n': cval = '\n'; break;
267 case 't': cval = '\t'; break;
268 case 'b': cval = '\b'; break;
269 case 'r': cval = '\r'; break;