8 * rcfile_l.l -- lexer for the run control file, to be used with GNU flex.
10 * For license terms, see the file COPYING in this directory.
14 #include "fetchmail.h"
21 #define SETSTATE(n) do {BEGIN(n); if (yydebug) fprintf(stderr, "Entering lexer state %d\n", n);} while (0)
23 #define SETSTATE(n) BEGIN(n)
28 /* #define this to emit STRING pointers and contents to stderr while lexing.
29 * Useful with ASan/LSan (address/leak sanitizer) and its
30 * LSAN_OPTIONS=report_objects=1 to identify where the leaked strings go. */
36 int yywrap(void) { return 1; }
40 %option nounput yywrap warn nodefault 8bit batch
48 char *in = xstrndup(yytext+1, yyleng-2);
53 fprintf(stderr, "STRING1: %p %s\n", in, in);
58 <NAME>[^=;:, \t\r\n]+ {
59 char *in = xstrdup(yytext);
64 fprintf(stderr, "STRING2: %p %s\n", in, in);
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 softbounce { return SOFTBOUNCE; }
81 warnings { return WARNINGS; }
82 tracepolls { return TRACEPOLLS; }
84 defaults { return DEFAULTS; }
85 server { return POLL; }
90 local(domains)? { return LOCALDOMAINS; }
91 proto(col)? { return PROTOCOL; }
92 service { return SERVICE; }
94 interval { return INTERVAL; }
95 preauth(enticate)? { SETSTATE(AUTH); return AUTHENTICATE; }
96 auth(enticate)? { SETSTATE(AUTH); return AUTHENTICATE; }
97 any { SETSTATE(0); yylval.proto = A_ANY; return AUTHTYPE;}
98 gssapi { SETSTATE(0); yylval.proto = A_GSSAPI; return AUTHTYPE;}
99 kerberos(_v)?4 { SETSTATE(0); yylval.proto = A_KERBEROS_V4; return AUTHTYPE;}
100 kerberos(_v)?5 { SETSTATE(0); yylval.proto = A_KERBEROS_V5; return AUTHTYPE;}
101 kerberos { SETSTATE(0); yylval.proto = A_KERBEROS_V4; return AUTHTYPE;}
102 ssh { SETSTATE(0); yylval.proto = A_SSH; return AUTHTYPE;}
103 external { SETSTATE(0); yylval.proto = A_EXTERNAL; return AUTHTYPE;}
104 (otp|opie) { SETSTATE(0); yylval.proto = A_OTP; return AUTHTYPE;}
105 cram(-md5)? { SETSTATE(0); yylval.proto = A_CRAM_MD5; return AUTHTYPE;}
106 msn { SETSTATE(0); yylval.proto = A_MSN; return AUTHTYPE;}
107 ntlm { SETSTATE(0); yylval.proto = A_NTLM; return AUTHTYPE;}
108 <AUTH>password { SETSTATE(0); yylval.proto = A_PASSWORD; return AUTHTYPE;}
109 timeout { return TIMEOUT;}
110 envelope { return ENVELOPE; }
111 qvirtual { return QVIRTUAL; }
112 principal { return PRINCIPAL; }
113 esmtpname { return ESMTPNAME; }
114 esmtppassword { return ESMTPPASSWORD; }
115 bad-header { return BADHEADER; }
116 accept { return ACCEPT; }
117 reject { return REJECT_; }
119 user(name)? {SETSTATE(NAME); return USERNAME; }
120 <INITIAL,NAME>pass(word)? {SETSTATE(NAME); return PASSWORD; }
121 folder(s)? { return FOLDER; }
122 smtp(host)? { return SMTPHOST; }
123 fetchdomains { return FETCHDOMAINS; }
124 smtpaddress { return SMTPADDRESS; }
125 smtpname { return SMTPNAME; }
126 antispam { return SPAMRESPONSE; }
128 bsmtp { return BSMTP; }
129 lmtp { return LMTP; }
130 pre(connect)? { return PRECONNECT; }
131 post(connect)? { return POSTCONNECT; }
132 interface { return INTERFACE; }
133 monitor { return MONITOR; }
134 plugin { return PLUGIN; }
135 plugout { return PLUGOUT; }
136 batchlimit { return BATCHLIMIT; }
137 fetchlimit { return FETCHLIMIT; }
138 fetchsizelimit { return FETCHSIZELIMIT; }
139 fastuidl { return FASTUIDL; }
140 expunge { return EXPUNGE; }
141 properties { return PROPERTIES; }
143 is { SETSTATE(NAME); return IS; }
144 here { return HERE; }
145 there { return THERE; }
146 to { SETSTATE(NAME); return TO; }
147 = { SETSTATE(NAME); return MAP; }
173 keep { return KEEP; }
174 flush { return FLUSH; }
175 limitflush { return LIMITFLUSH; }
176 fetchall { return FETCHALL; }
177 rewrite { return REWRITE; }
178 forcecr { return FORCECR; }
179 stripcr { return STRIPCR; }
180 pass8(bits)? { return PASS8BITS; }
181 dropstatus { return DROPSTATUS; }
182 dropdelivered { return DROPDELIVERED; }
183 mimedec(ode)? { return MIMEDECODE; }
184 idle { return IDLE; }
186 uidl { return UIDL; }
188 sslkey { return SSLKEY; }
189 sslcert { return SSLCERT; }
190 sslproto { return SSLPROTO; }
191 sslcertck { return SSLCERTCK; }
192 sslcertfile { return SSLCERTFILE; }
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 char *in = xstrdup(yytext);
227 fprintf(stderr, "STRING3: %p %s\n", in, in);
232 [ \t\r]+ ; /* whitespace */
236 /** process standard C-style escape sequences in a string,
237 * this can never lengthen the output, so cp and tp may overlap as long
239 void escapes(const char *cp /** source string with escapes */,
240 char *tp /** target buffer for digested string */)
246 /* we MUST check for NUL explicitly, as strchr(string, 0) will
248 if (*cp == '\\' && cp[1] && strchr("0123456789xX", cp[1]))
251 const char *hex = "00112233445566778899aAbBcCdDeEfF";
254 if (*++cp == 'x' || *cp == 'X')
255 for (++cp; *cp && (dp = strchr(hex, *cp)) && (dcount++ < 2); cp++)
256 cval = (cval * 16) + (dp - hex) / 2;
258 while (*cp && strchr("01234567",*cp) != (char*)NULL && (dcount++ < 3))
259 cval = (cval * 8) + (*cp++ - '0');
261 while (*cp && (strchr("0123456789",*cp)!=(char*)NULL)&&(dcount++ < 3))
262 cval = (cval * 10) + (*cp++ - '0');
264 else if (*cp == '\\') /* C-style character escapes */
268 case '\n': cp++; continue; /* backslash before LF to join lines */
269 case '\0': goto done; /* ignore backslash at file end */
270 case '\\': cval = '\\'; break;
271 case 'n': cval = '\n'; break;
272 case 't': cval = '\t'; break;
273 case 'b': cval = '\b'; break;
274 case 'r': cval = '\r'; break;