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; }
116 bad-header { return BADHEADER; }
117 pass { return PASS; }
118 reject { return REJECT_; }
120 user(name)? {SETSTATE(NAME); return USERNAME; }
121 <INITIAL,NAME>pass(word)? {SETSTATE(NAME); return PASSWORD; }
122 folder(s)? { return FOLDER; }
123 smtp(host)? { return SMTPHOST; }
124 fetchdomains { return FETCHDOMAINS; }
125 smtpaddress { return SMTPADDRESS; }
126 smtpname { return SMTPNAME; }
127 antispam { return SPAMRESPONSE; }
129 bsmtp { return BSMTP; }
130 lmtp { return LMTP; }
131 pre(connect)? { return PRECONNECT; }
132 post(connect)? { return POSTCONNECT; }
133 interface { return INTERFACE; }
134 monitor { return MONITOR; }
135 plugin { return PLUGIN; }
136 plugout { return PLUGOUT; }
137 batchlimit { return BATCHLIMIT; }
138 fetchlimit { return FETCHLIMIT; }
139 fetchsizelimit { return FETCHSIZELIMIT; }
140 fastuidl { return FASTUIDL; }
141 expunge { return EXPUNGE; }
142 properties { return PROPERTIES; }
144 is { SETSTATE(NAME); return IS; }
145 here { return HERE; }
146 there { return THERE; }
147 to { SETSTATE(NAME); return TO; }
148 = { SETSTATE(NAME); return MAP; }
174 keep { return KEEP; }
175 flush { return FLUSH; }
176 limitflush { return LIMITFLUSH; }
177 fetchall { return FETCHALL; }
178 rewrite { return REWRITE; }
179 forcecr { return FORCECR; }
180 stripcr { return STRIPCR; }
181 pass8(bits)? { return PASS8BITS; }
182 dropstatus { return DROPSTATUS; }
183 dropdelivered { return DROPDELIVERED; }
184 mimedec(ode)? { return MIMEDECODE; }
185 idle { return IDLE; }
187 uidl { return UIDL; }
189 sslkey { return SSLKEY; }
190 sslcert { return SSLCERT; }
191 sslproto { return SSLPROTO; }
192 sslcertck { return SSLCERTCK; }
193 sslcertpath { return SSLCERTPATH; }
194 sslcommonname { return SSLCOMMONNAME; }
195 sslfingerprint { return SSLFINGERPRINT; }
196 checkalias { return CHECKALIAS; }
198 limit { return LIMIT; }
204 options {/* EMPTY */}
207 (auto)|(AUTO) { yylval.proto = P_AUTO; return PROTO; }
208 (pop2)|(POP2) { yylval.proto = P_POP2; return PROTO; }
209 (sdps)|(SDPS) { return SDPS; }
210 (pop3)|(POP3) { yylval.proto = P_POP3; return PROTO; }
211 (imap)|(IMAP) { yylval.proto = P_IMAP; return PROTO; }
212 (apop)|(APOP) { yylval.proto = P_APOP; return PROTO; }
213 (rpop)|(RPOP) { yylval.proto = P_RPOP; return PROTO; }
214 (etrn)|(ETRN) { yylval.proto = P_ETRN; return PROTO; }
215 (odmr)|(ODMR) { yylval.proto = P_ODMR; return PROTO; }
216 (kpop)|(KPOP) { return KPOP; }
218 (#.*)?\\?\n { prc_lineno++; } /* newline is ignored */
220 -?[0-9]+ { yylval.number = atoi(yytext); return NUMBER; }
223 escapes(yytext, yytext);
224 yyleng = strlen(yytext);
225 yylval.sval = yytext;
229 [ \t\r]+ ; /* whitespace */
233 /** process standard C-style escape sequences in a string,
234 * this can never lengthen the output, so cp and tp may overlap as long
236 void escapes(const char *cp /** source string with escapes */,
237 char *tp /** target buffer for digested string */)
243 /* we MUST check for NUL explicitly, as strchr(string, 0) will
245 if (*cp == '\\' && cp[1] && strchr("0123456789xX", cp[1]))
248 const char *hex = "00112233445566778899aAbBcCdDeEfF";
251 if (*++cp == 'x' || *cp == 'X')
252 for (++cp; *cp && (dp = strchr(hex, *cp)) && (dcount++ < 2); cp++)
253 cval = (cval * 16) + (dp - hex) / 2;
255 while (*cp && strchr("01234567",*cp) != (char*)NULL && (dcount++ < 3))
256 cval = (cval * 8) + (*cp++ - '0');
258 while (*cp && (strchr("0123456789",*cp)!=(char*)NULL)&&(dcount++ < 3))
259 cval = (cval * 10) + (*cp++ - '0');
261 else if (*cp == '\\') /* C-style character escapes */
265 case '\n': cp++; continue; /* backslash before LF to join lines */
266 case '\0': goto done; /* ignore backslash at file end */
267 case '\\': cval = '\\'; break;
268 case 'n': cval = '\n'; break;
269 case 't': cval = '\t'; break;
270 case 'b': cval = '\b'; break;
271 case 'r': cval = '\r'; break;