aboutsummaryrefslogtreecommitdiffstats
path: root/options.c
blob: b474666dd2b9bb0aefb92c55a29f075519f0805f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
/*
 * options.c -- command-line option processing
 *
 * For license terms, see the file COPYING in this directory.
 */

#include <config.h>

#include <stdio.h>
#include <pwd.h>
#include <string.h>
#if defined(STDC_HEADERS)
#include  <stdlib.h>
#endif

#include "getopt.h"
#include "fetchmail.h"

#define LA_HELP		1
#define LA_VERSION	2 
#define LA_CHECK	3
#define LA_SILENT	4 
#define LA_VERBOSE	5 
#define LA_DAEMON	6
#define LA_NODETACH	7
#define LA_QUIT		8
#define LA_LOGFILE	9
#define LA_SYSLOG	10
#define LA_RCFILE	11
#define LA_IDFILE	12
#define LA_PROTOCOL	13
#define LA_PORT		14
#define LA_AUTHENTICATE	15
#define LA_TIMEOUT	16
#define LA_ENVELOPE	17
#define LA_USERNAME	18
#define LA_ALL          19
#define LA_KILL		20
#define	LA_KEEP		21
#define LA_FLUSH        22
#define LA_NOREWRITE	23
#define LA_LIMIT	24
#define LA_REMOTEFILE	25
#define LA_SMTPHOST	26
#define LA_BATCHLIMIT	27
#define LA_FETCHLIMIT	28
#define LA_MDA		29
#define LA_INTERFACE    30
#define LA_MONITOR      31
#define LA_YYDEBUG	32

static char *shortoptions = "?Vcsvd:NqL:f:i:p:P:A:t:E:u:akKFnl:r:S:b:B:m:I:M:y";
static struct option longoptions[] = {
  {"help",	no_argument,	   (int *) 0, LA_HELP        },
  {"version",   no_argument,       (int *) 0, LA_VERSION     },
  {"check",	no_argument,	   (int *) 0, LA_CHECK       },
  {"silent",    no_argument,       (int *) 0, LA_SILENT      },
  {"verbose",   no_argument,       (int *) 0, LA_VERBOSE     },
  {"daemon",	required_argument, (int *) 0, LA_DAEMON      },
  {"nodetach",	no_argument,	   (int *) 0, LA_NODETACH    },
  {"quit",	no_argument,	   (int *) 0, LA_QUIT        },
  {"logfile",	required_argument, (int *) 0, LA_LOGFILE     },
  {"syslog",	no_argument,	   (int *) 0, LA_SYSLOG      },
  {"fetchmailrc",required_argument,(int *) 0, LA_RCFILE      },
  {"idfile",	required_argument, (int *) 0, LA_IDFILE      },
#ifdef	linux
  {"interface",	required_argument, (int *) 0, LA_INTERFACE   },
  {"monitor",	required_argument, (int *) 0, LA_MONITOR     },
#endif

  {"protocol",	required_argument, (int *) 0, LA_PROTOCOL    },
  {"proto",	required_argument, (int *) 0, LA_PROTOCOL    },
  {"port",	required_argument, (int *) 0, LA_PORT        },
  {"auth",	required_argument, (int *) 0, LA_AUTHENTICATE},
  {"timeout",	required_argument, (int *) 0, LA_TIMEOUT     },
  {"envelope",	required_argument, (int *) 0, LA_ENVELOPE    },

  {"user",	required_argument, (int *) 0, LA_USERNAME    },
  {"username",  required_argument, (int *) 0, LA_USERNAME    },

  {"all",	no_argument,       (int *) 0, LA_ALL         },
  {"kill",	no_argument,	   (int *) 0, LA_KILL        },
  {"keep",      no_argument,       (int *) 0, LA_KEEP        },
  {"flush",	no_argument,	   (int *) 0, LA_FLUSH       },
  {"norewrite",	no_argument,	   (int *) 0, LA_NOREWRITE   },
  {"limit",	required_argument, (int *) 0, LA_LIMIT       },

  {"remote",    required_argument, (int *) 0, LA_REMOTEFILE  },
  {"smtphost",	required_argument, (int *) 0, LA_SMTPHOST    },
  {"batchlimit",required_argument, (int *) 0, LA_BATCHLIMIT  },
  {"fetchlimit",required_argument, (int *) 0, LA_FETCHLIMIT  },
  {"mda",	required_argument, (int *) 0, LA_MDA         },

  {"interface", required_argument, (int *) 0, LA_INTERFACE   },
  {"monitor",   required_argument, (int *) 0, LA_MONITOR     },

  {"yydebug",	no_argument,	   (int *) 0, LA_YYDEBUG     },

  {(char *) 0,  no_argument,       (int *) 0, 0              }
};

int parsecmdline (argc, argv, ctl)
/* parse and validate the command line options */
int argc;			/* argument count */
char **argv;			/* argument strings */
struct query *ctl;	/* option record to be initialized */
{
    /*
     * return value: if positive, argv index of last parsed option + 1
     * (presumes one or more server names follows).  if zero, the
     * command line switches are such that no server names are
     * required (e.g. --version).  if negative, the command line is
     * has one or more syntax errors.
     */

    int c;
    int ocount = 0;     /* count of destinations specified */
    int errflag = 0;   /* TRUE when a syntax error is detected */
    int option_index;

    memset(ctl, '\0', sizeof(struct query));    /* start clean */
    cmd_batchlimit = -1;

    while (!errflag && 
	   (c = getopt_long(argc,argv,shortoptions,
			    longoptions,&option_index)) != -1) {

	switch (c) {
	case 'V':
	case LA_VERSION:
	    versioninfo = TRUE;
	    break;
	case 'c':
	case LA_CHECK:
	    check_only = TRUE;
	    break;
	case 's':
	case LA_SILENT:
	    outlevel = O_SILENT;
	    break;
	case 'v':
	case LA_VERBOSE:
	    outlevel = O_VERBOSE;
	    break;
	case 'd':
	case LA_DAEMON:
	    poll_interval = atoi(optarg);
	    break;
	case 'N':
	case LA_NODETACH:
	    nodetach = TRUE;
	    break;
	case 'q':
	case LA_QUIT:
	    quitmode = TRUE;
	    break;
	case 'L':
	case LA_LOGFILE:
	    cmd_logfile = optarg;
	    break;
	case 'f':
	case LA_RCFILE:
	    rcfile = (char *) xmalloc(strlen(optarg)+1);
	    strcpy(rcfile,optarg);
	    break;
	case 'i':
	case LA_IDFILE:
	    idfile = (char *) xmalloc(strlen(optarg)+1);
	    strcpy(idfile,optarg);
	    break;
	case 'p':
	case LA_PROTOCOL:
	    /* XXX -- should probably use a table lookup here */
	    if (strcasecmp(optarg,"pop2") == 0)
		ctl->server.protocol = P_POP2;
	    else if (strcasecmp(optarg,"pop3") == 0)
		ctl->server.protocol = P_POP3;
	    else if (strcasecmp(optarg,"imap") == 0)
		ctl->server.protocol = P_IMAP;
	    else if (strcasecmp(optarg,"apop") == 0)
		ctl->server.protocol = P_APOP;
	    else if (strcasecmp(optarg,"kpop") == 0)
	    {
		ctl->server.protocol = P_POP3;
		ctl->server.port = KPOP_PORT;
		ctl->server.authenticate =  A_KERBEROS;
	    }
	    else {
		fprintf(stderr,"Invalid protocol `%s' specified.\n", optarg);
		errflag++;
	    }
	    break;
	case 'P':
	case LA_PORT:
	    ctl->server.port = atoi(optarg);
	    break;
	case 'A':
	case LA_AUTHENTICATE:
	    if (strcmp(optarg, "password") == 0)
		ctl->server.authenticate = A_PASSWORD;
	    else if (strcmp(optarg, "kerberos") == 0)
		ctl->server.authenticate = A_KERBEROS;
	    else {
		fprintf(stderr,"Invalid authentication `%s' specified.\n", optarg);
		errflag++;
	    }
	    break;
	case 't':
	case LA_TIMEOUT:
	    ctl->server.timeout = atoi(optarg);
	    break;
	case 'E':
	case LA_ENVELOPE:
	    ctl->server.envelope = xstrdup(optarg);
	    break;

	case 'u':
	case LA_USERNAME:
	    strncpy(ctl->remotename,optarg,sizeof(ctl->remotename)-1);
	    break;
	case 'a':
	case LA_ALL:
	    ctl->fetchall = TRUE;
	    break;
	case 'K':
	case LA_KILL:
	    ctl->keep = FALSE;
	    break;
	case 'k':
	case LA_KEEP:
	    ctl->keep = TRUE;
	    break;
	case 'F':
	case LA_FLUSH:
	    ctl->flush = TRUE;
	    break;
	case 'n':
	case LA_NOREWRITE:
	    ctl->norewrite = TRUE;
	    break;
	case 'l':
	case LA_LIMIT:
	    ctl->limit = atoi(optarg);
	    break;
	case 'r':
	case LA_REMOTEFILE:
	    strncpy(ctl->mailbox,optarg,sizeof(ctl->mailbox)-1);
	    break;
	case 'S':
	case LA_SMTPHOST:
	    strncpy(ctl->smtphost,optarg,sizeof(ctl->smtphost)-1);
	    ocount++;
	    break;
	case 'b':
	case LA_BATCHLIMIT:
	    cmd_batchlimit = atoi(optarg);
	    break;
	case 'B':
	case LA_FETCHLIMIT:
	    ctl->fetchlimit = atoi(optarg);
	    break;
	case 'm':
	case LA_MDA:
	    strncpy(ctl->mda,optarg,sizeof(ctl->mda));
	    ocount++;
	    break;

#ifdef	linux
	case 'I':
	case LA_INTERFACE:
	    cmd_interface = optarg;
	    break;
	case 'M':
	case LA_MONITOR:
	    cmd_monitor = optarg;
	    break;
#endif

	case 'y':
	case LA_YYDEBUG:
	    yydebug = TRUE;
	    break;

	case LA_SYSLOG:
	    use_syslog = TRUE;
	    break;

	case '?':
	case LA_HELP:
	default:
	    errflag++;
	}
    }

    if (check_only && poll_interval)
    {
	fputs("The --check and --daemon options aren't compatible.\n", stderr);
	return(-1);
    }

    if (poll_interval == 0 && use_syslog)
    {
	fputs("The --syslog option is only valid with the --daemon option.\n", stderr);
	return(-1);
    }

    if (errflag || ocount > 1) {
	/* squawk if syntax errors were detected */
	fputs("usage:  fetchmail [options] [server ...]\n", stderr);
	fputs("  Options are as follows:\n",stderr);
	fputs("  -?, --help        display this option help\n", stderr);
	fputs("  -V, --version     display version info\n", stderr);

	fputs("  -c, --check       check for messages without fetching\n", stderr);
	fputs("  -s, --silent      work silently\n", stderr);
	fputs("  -v, --verbose     work noisily (diagnostic output)\n", stderr);
	fputs("  -d, --daemon      run as a daemon once per n seconds\n", stderr);
	fputs("  -N, --nodetach    don't detach daemon process\n", stderr);
	fputs("  -q, --quit        kill daemon process\n", stderr);
	fputs("  -L, --logfile     specify logfile name\n", stderr);
	fputs("      --syslog      use syslog(3) for most messages when running as a daemon\n", stderr);
	fputs("  -f, --fetchmailrc specify alternate run control file\n", stderr);
	fputs("  -i, --idfile      specify alternate UIDs file\n", stderr);
#ifdef	linux
	fputs("  -I, --interface   interface required specification\n",stderr);
	fputs("  -M, --monitor     monitor interface for activity\n",stderr);
#endif

	fputs("  -p, --protocol    specify pop2, pop3, imap, apop, rpop, kpop\n", stderr);
	fputs("  -P, --port        TCP/IP service port to connect to\n",stderr);
	fputs("  -A, --auth        authentication type (password or kerberos)\n",stderr);
	fputs("  -t, --timeout     server nonresponse timeout\n",stderr);
	fputs("  -E, --envelope    envelope address header\n",stderr);

	fputs("  -u, --username    specify users's login on server\n", stderr);
	fputs("  -a, --all         retrieve old and new messages\n", stderr);
	fputs("  -K, --kill        delete new messages after retrieval\n", stderr);
	fputs("  -k, --keep        save new messages after retrieval\n", stderr);
	fputs("  -F, --flush       delete old messages from server\n", stderr);
	fputs("  -n, --norewrite   don't rewrite header addresses\n", stderr);
	fputs("  -l, --limit       don't fetch messages over given size\n", stderr);

	fputs("  -S, --smtphost    set SMTP forwarding host\n", stderr);
	fputs("  -b, --batchlimit  set batch limit for SMTP connections\n", stderr);
	fputs("  -B, --fetchlimit  set fetch limit for server connections\n", stderr);
	fputs("  -r, --remote      specify remote folder name\n", stderr);
	return(-1);
    }

    return(optind);
}

/* options.c ends here */