[73ff05]: options.c Maximize Restore History

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/*
* options.c -- command-line option processing
*
* For license terms, see the file COPYING in this directory.
*/
#include <config.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_BATCHLIMIT 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_USERNAME 17
#define LA_ALL 18
#define LA_KILL 19
#define LA_KEEP 20
#define LA_FLUSH 21
#define LA_NOREWRITE 22
#define LA_LIMIT 23
#define LA_REMOTEFILE 24
#define LA_SMTPHOST 25
#define LA_MDA 26
#define LA_YYDEBUG 27
static char *shortoptions = "?Vcsvd:NqL:b:f:i:p:P:A:t:u:akKFnl:r:S: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 },
{"batchlimit",required_argument, (int *) 0, LA_BATCHLIMIT },
{"fetchmailrc",required_argument,(int *) 0, LA_RCFILE },
{"idfile", required_argument, (int *) 0, LA_IDFILE },
{"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 },
{"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 },
{"mda", required_argument, (int *) 0, LA_MDA },
{"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 */
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);
ctl->fetchall = TRUE;
break;
case 'N':
case LA_NODETACH:
nodetach = TRUE;
break;
case 'q':
case LA_QUIT:
quitmode = TRUE;
break;
case 'L':
case LA_LOGFILE:
logfile = optarg;
break;
case 'b':
case LA_BATCHLIMIT:
batchlimit = atoi(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->protocol = P_POP2;
else if (strcasecmp(optarg,"pop3") == 0)
ctl->protocol = P_POP3;
else if (strcasecmp(optarg,"imap") == 0)
ctl->protocol = P_IMAP;
else if (strcasecmp(optarg,"apop") == 0)
ctl->protocol = P_APOP;
else if (strcasecmp(optarg,"kpop") == 0)
{
ctl->protocol = P_POP3;
ctl->port = KPOP_PORT;
ctl->authenticate = A_KERBEROS;
}
else {
fprintf(stderr,"Invalid protocol `%s' specified.\n", optarg);
errflag++;
}
break;
case 'P':
case LA_PORT:
ctl->port = atoi(optarg);
break;
case 'A':
case LA_AUTHENTICATE:
if (strcmp(optarg, "password") == 0)
ctl->authenticate = A_PASSWORD;
else if (strcmp(optarg, "kerberos") == 0)
ctl->authenticate = A_KERBEROS;
else {
fprintf(stderr,"Invalid authentication `%s' specified.\n", optarg);
errflag++;
}
break;
case 't':
ctl->timeout = atoi(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 'm':
case LA_MDA:
strncpy(ctl->mda,optarg,sizeof(ctl->mda));
ocount++;
break;
case 'y':
case LA_YYDEBUG:
yydebug = 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 (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(" -b, --batchlimit delivery batch size limit\n", stderr);
fputs(" -f, --fetchmailrc specify alternate run control file\n", stderr);
fputs(" -i, --idfile specify alternate UIDs file\n", stderr);
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(" -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(" -r, --remote specify remote folder name\n", stderr);
return(-1);
}
return(optind);
}
/* options.c ends here */