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)
23 /* this doesn't work with Linux lex, see the INSTALL file */
27 %option nounput noyywrap
34 yytext[yyleng-1] = '\0';
35 escapes(yytext+1, yytext);
36 yyleng = strlen(yytext);
42 yytext[yyleng-1] = '\0';
43 escapes(yytext+1, yytext);
44 yyleng = strlen(yytext);
50 "*" { BEGIN(0); return WILDCARD; }
52 <NAME>[^=;:, \t\r\n]+ {
56 if ((size_t)yyleng + 1 > ins) {
58 in = xrealloc(in, ins);
60 memcpy(in, yytext, yyleng);
70 logfile { return LOGFILE; }
71 idfile { return IDFILE; }
72 pidfile { return PIDFILE; }
73 daemon { return DAEMON; }
74 syslog { return SYSLOG; }
75 invisible { return INVISIBLE; }
76 showdots { return SHOWDOTS; }
77 postmaster { return POSTMASTER; }
78 bouncemail { return BOUNCEMAIL; }
79 spambounce { return SPAMBOUNCE; }
80 warnings { return WARNINGS; }
81 tracepolls { return TRACEPOLLS; }
83 defaults { return DEFAULTS; }
84 server { return POLL; }
89 local(domains) { return LOCALDOMAINS; }
90 proto(col)? { return PROTOCOL; }
91 service { return SERVICE; }
93 interval { return INTERVAL; }
94 preauth(enticate)? { SETSTATE(AUTH); return AUTHENTICATE; }
95 auth(enticate)? { SETSTATE(AUTH); return AUTHENTICATE; }
96 any { SETSTATE(0); yylval.proto = A_ANY; return AUTHTYPE;}
97 gssapi { SETSTATE(0); yylval.proto = A_GSSAPI; return AUTHTYPE;}
98 kerberos(_v)?4 { SETSTATE(0); yylval.proto = A_KERBEROS_V4; return AUTHTYPE;}
99 kerberos(_v)?5 { SETSTATE(0); yylval.proto = A_KERBEROS_V5; return AUTHTYPE;}
100 kerberos { SETSTATE(0); yylval.proto = A_KERBEROS_V4; return AUTHTYPE;}
101 ssh { SETSTATE(0); yylval.proto = A_SSH; return AUTHTYPE;}
102 (otp|opie) { SETSTATE(0); yylval.proto = A_OTP; return AUTHTYPE;}
103 cram(-md5)? { SETSTATE(0); yylval.proto = A_CRAM_MD5; return AUTHTYPE;}
104 msn { SETSTATE(0); yylval.proto = A_MSN; return AUTHTYPE;}
105 ntlm { SETSTATE(0); yylval.proto = A_NTLM; return AUTHTYPE;}
106 <AUTH>password { SETSTATE(0); yylval.proto = A_PASSWORD; return AUTHTYPE;}
107 timeout { return TIMEOUT;}
108 envelope { return ENVELOPE; }
109 qvirtual { return QVIRTUAL; }
110 principal { return PRINCIPAL; }
111 esmtpname { return ESMTPNAME; }
112 esmtppassword { return ESMTPPASSWORD; }
115 user(name)? {SETSTATE(NAME); return USERNAME; }
116 <INITIAL,NAME>pass(word)? {SETSTATE(NAME); return PASSWORD; }
117 folder(s)? { return FOLDER; }
118 smtp(host)? { return SMTPHOST; }
119 fetchdomains { return FETCHDOMAINS; }
120 smtpaddress { return SMTPADDRESS; }
121 smtpname { return SMTPNAME; }
122 antispam { return SPAMRESPONSE; }
124 bsmtp { return BSMTP; }
125 lmtp { return LMTP; }
126 pre(connect)? { return PRECONNECT; }
127 post(connect)? { return POSTCONNECT; }
128 interface { return INTERFACE; }
129 monitor { return MONITOR; }
130 plugin { return PLUGIN; }
131 plugout { return PLUGOUT; }
132 batchlimit { return BATCHLIMIT; }
133 fetchlimit { return FETCHLIMIT; }
134 fetchsizelimit { return FETCHSIZELIMIT; }
135 fastuidl { return FASTUIDL; }
136 expunge { return EXPUNGE; }
137 properties { return PROPERTIES; }
139 is { SETSTATE(NAME); return IS; }
140 here { return HERE; }
141 there { return THERE; }
142 to { SETSTATE(NAME); return TO; }
143 = { SETSTATE(NAME); return MAP; }
169 keep { return KEEP; }
170 flush { return FLUSH; }
171 limitflush { return LIMITFLUSH; }
172 fetchall { return FETCHALL; }
173 rewrite { return REWRITE; }
174 forcecr { return FORCECR; }
175 stripcr { return STRIPCR; }
176 pass8(bits)? { return PASS8BITS; }
177 dropstatus { return DROPSTATUS; }
178 dropdelivered { return DROPDELIVERED; }
179 mimedec(ode)? { return MIMEDECODE; }
180 idle { return IDLE; }
182 uidl { return UIDL; }
184 sslkey { return SSLKEY; }
185 sslcert { return SSLCERT; }
186 sslproto { return SSLPROTO; }
187 sslcertck { return SSLCERTCK; }
188 sslcertpath { return SSLCERTPATH; }
189 sslfingerprint { return SSLFINGERPRINT; }
190 checkalias { return CHECKALIAS; }
192 limit { return LIMIT; }
198 options {/* EMPTY */}
201 (auto)|(AUTO) { yylval.proto = P_AUTO; return PROTO; }
202 (pop2)|(POP2) { yylval.proto = P_POP2; return PROTO; }
203 (sdps)|(SDPS) { return SDPS; }
204 (pop3)|(POP3) { yylval.proto = P_POP3; return PROTO; }
205 (imap)|(IMAP) { yylval.proto = P_IMAP; return PROTO; }
206 (apop)|(APOP) { yylval.proto = P_APOP; return PROTO; }
207 (rpop)|(RPOP) { yylval.proto = P_RPOP; return PROTO; }
208 (etrn)|(ETRN) { yylval.proto = P_ETRN; return PROTO; }
209 (odmr)|(ODMR) { yylval.proto = P_ODMR; return PROTO; }
210 (kpop)|(KPOP) { return KPOP; }
212 (#.*)?\\?\n { prc_lineno++; } /* newline is ignored */
214 -?[0-9]+ { yylval.number = atoi(yytext); return NUMBER; }
217 escapes(yytext, yytext);
218 yyleng = strlen(yytext);
219 yylval.sval = yytext;
223 [ \t\r]+ ; /* whitespace */
227 /** process standard C-style escape sequences in a string,
228 * this can never lengthen the output, so cp and tp may overlap as long
230 void escapes(const char *cp /** source string with escapes */,
231 char *tp /** target buffer for digested string */)
237 /* we MUST check for NUL explicitly, as strchr(string, 0) will
239 if (*cp == '\\' && cp[1] && strchr("0123456789xX", cp[1]))
242 const char *hex = "00112233445566778899aAbBcCdDeEfF";
245 if (*++cp == 'x' || *cp == 'X')
246 for (++cp; *cp && (dp = strchr(hex, *cp)) && (dcount++ < 2); cp++)
247 cval = (cval * 16) + (dp - hex) / 2;
249 while (*cp && strchr("01234567",*cp) != (char*)NULL && (dcount++ < 3))
250 cval = (cval * 8) + (*cp++ - '0');
252 while (*cp && (strchr("0123456789",*cp)!=(char*)NULL)&&(dcount++ < 3))
253 cval = (cval * 10) + (*cp++ - '0');
255 else if (*cp == '\\') /* C-style character escapes */
259 case '\n': cp++; continue; /* backslash before LF to join lines */
260 case '\0': goto done; /* ignore backslash at file end */
261 case '\\': cval = '\\'; break;
262 case 'n': cval = '\n'; break;
263 case 't': cval = '\t'; break;
264 case 'b': cval = '\b'; break;
265 case 'r': cval = '\r'; break;