options.c
上传用户:xxcykj
上传日期:2007-01-04
资源大小:727k
文件大小:19k
- /*
- * options.c -- command-line option processing
- *
- * Copyright 1998 by Eric S. Raymond.
- * For license terms, see the file COPYING in this directory.
- */
- #include "config.h"
- #include <stdio.h>
- #include <pwd.h>
- #include <string.h>
- #include <errno.h>
- #if defined(STDC_HEADERS)
- #include <stdlib.h>
- #include <limits.h>
- #else
- #include <ctype.h>
- #endif
- #include "getopt.h"
- #include "fetchmail.h"
- #include "i18n.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_INVISIBLE 10
- #define LA_SYSLOG 11
- #define LA_NOSYSLOG 12
- #define LA_RCFILE 13
- #define LA_IDFILE 14
- #define LA_POSTMASTER 15
- #define LA_NOBOUNCE 16
- #define LA_PROTOCOL 17
- #define LA_UIDL 18
- #define LA_PORT 19
- #define LA_PREAUTH 20
- #define LA_TIMEOUT 21
- #define LA_ENVELOPE 22
- #define LA_QVIRTUAL 23
- #define LA_USERNAME 24
- #define LA_ALL 25
- #define LA_NOKEEP 26
- #define LA_KEEP 27
- #define LA_FLUSH 28
- #define LA_NOREWRITE 29
- #define LA_LIMIT 30
- #define LA_WARNINGS 31
- #define LA_FOLDER 32
- #define LA_SMTPHOST 33
- #define LA_SMTPADDR 34
- #define LA_ANTISPAM 35
- #define LA_BATCHLIMIT 36
- #define LA_FETCHLIMIT 37
- #define LA_EXPUNGE 38
- #define LA_MDA 39
- #define LA_BSMTP 40
- #define LA_LMTP 41
- #define LA_PLUGIN 42
- #define LA_PLUGOUT 43
- #define LA_NETSEC 44
- #define LA_INTERFACE 45
- #define LA_MONITOR 46
- #define LA_CONFIGDUMP 47
- #define LA_YYDEBUG 48
- #ifdef SSL_ENABLE
- #define LA_SSL 49
- #define LA_SSLKEY 50
- #define LA_SSLCERT 51
- #endif
- /* options still left: CDgGhHjJoORwWxXYz */
- static const char *shortoptions =
- "?Vcsvd:NqL:f:i:p:UP:A:t:E:Q:u:akKFnl:r:S:Z:b:B:e:m:T:I:M:yw:";
- static const struct option longoptions[] = {
- /* this can be const because all flag fields are 0 and will never get set */
- {"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 },
- {"invisible", no_argument, (int *) 0, LA_INVISIBLE },
- {"syslog", no_argument, (int *) 0, LA_SYSLOG },
- {"nosyslog", no_argument, (int *) 0, LA_NOSYSLOG },
- {"fetchmailrc",required_argument,(int *) 0, LA_RCFILE },
- {"idfile", required_argument, (int *) 0, LA_IDFILE },
- {"postmaster",required_argument, (int *) 0, LA_POSTMASTER },
- {"nobounce", no_argument, (int *) 0, LA_NOBOUNCE },
- {"protocol", required_argument, (int *) 0, LA_PROTOCOL },
- {"proto", required_argument, (int *) 0, LA_PROTOCOL },
- {"uidl", no_argument, (int *) 0, LA_UIDL },
- {"port", required_argument, (int *) 0, LA_PORT },
- {"preauth", required_argument, (int *) 0, LA_PREAUTH},
- {"timeout", required_argument, (int *) 0, LA_TIMEOUT },
- {"envelope", required_argument, (int *) 0, LA_ENVELOPE },
- {"qvirtual", required_argument, (int *) 0, LA_QVIRTUAL },
- {"user", required_argument, (int *) 0, LA_USERNAME },
- {"username", required_argument, (int *) 0, LA_USERNAME },
- {"all", no_argument, (int *) 0, LA_ALL },
- {"nokeep", no_argument, (int *) 0, LA_NOKEEP },
- {"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 },
- {"warnings", required_argument, (int *) 0, LA_WARNINGS },
- {"folder", required_argument, (int *) 0, LA_FOLDER },
- {"smtphost", required_argument, (int *) 0, LA_SMTPHOST },
- {"smtpaddress", required_argument, (int *) 0, LA_SMTPADDR },
- {"antispam", required_argument, (int *) 0, LA_ANTISPAM },
-
- {"batchlimit",required_argument, (int *) 0, LA_BATCHLIMIT },
- {"fetchlimit",required_argument, (int *) 0, LA_FETCHLIMIT },
- {"expunge", required_argument, (int *) 0, LA_EXPUNGE },
- {"mda", required_argument, (int *) 0, LA_MDA },
- {"bsmtp", required_argument, (int *) 0, LA_BSMTP },
- {"lmtp", no_argument, (int *) 0, LA_LMTP },
- #ifdef INET6_ENABLE
- {"netsec", required_argument, (int *) 0, LA_NETSEC },
- #endif /* INET6_ENABLE */
- #ifdef SSL_ENABLE
- {"ssl", no_argument, (int *) 0, LA_SSL },
- {"sslkey", required_argument, (int *) 0, LA_SSLKEY },
- {"sslcert", required_argument, (int *) 0, LA_SSLCERT },
- #endif
- #if (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__)
- {"interface", required_argument, (int *) 0, LA_INTERFACE },
- {"monitor", required_argument, (int *) 0, LA_MONITOR },
- #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
- {"plugin", required_argument, (int *) 0, LA_PLUGIN },
- {"plugout", required_argument, (int *) 0, LA_PLUGOUT },
- {"configdump",no_argument, (int *) 0, LA_CONFIGDUMP },
- {"yydebug", no_argument, (int *) 0, LA_YYDEBUG },
- {(char *) 0, no_argument, (int *) 0, 0 }
- };
- static int xatoi(char *s, int *errflagptr)
- /* do safe conversion from string to number */
- {
- #if defined (STDC_HEADERS) && defined (LONG_MAX) && defined (INT_MAX)
- /* parse and convert numbers, but also check for invalid characters in
- * numbers
- */
- char *endptr;
- long value;
- errno = 0;
- value = strtol(s, &endptr, 0);
- /* any invalid chars in string? */
- if ( (endptr == s) || (*endptr != ' ') ) {
- (void) fprintf(stderr, _("String '%s' is not a valid number string.n"), s);
- (*errflagptr)++;
- return 0;
- }
- /* is the range valid? */
- if ( (((value == LONG_MAX) || (value == LONG_MIN)) && (errno == ERANGE)) ||
- (value > INT_MAX) || (value < INT_MIN)) {
- (void) fprintf(stderr, _("Value of string '%s' is %s than %d.n"), s,
- (value < 0) ? _("smaller"): _("larger"),
- (value < 0) ? INT_MIN : INT_MAX);
- (*errflagptr)++;
- return 0;
- }
- return (int) value; /* shut up, I know what I'm doing */
- #else
- int i;
- char *dp;
- # if defined (STDC_HEADERS)
- size_t len;
- # else
- int len;
- # endif
- /* We do only base 10 conversions here (atoi)! */
- len = strlen(s);
- /* check for leading white spaces */
- for (i = 0; (i < len) && isspace(s[i]); i++)
- ;
- dp = &s[i];
- /* check for +/- */
- if (i < len && (s[i] == '+' || s[i] == '-')) i++;
- /* skip over digits */
- for ( /* no init */ ; (i < len) && isdigit(s[i]); i++)
- ;
- /* check for trailing garbage */
- if (i != len) {
- (void) fprintf(stderr, _("String '%s' is not a valid number string.n"), s);
- (*errflagptr)++;
- return 0;
- }
- /* atoi should be safe by now, except for number range over/underflow */
- return atoi(dp);
- #endif
- }
- int parsecmdline (argc, argv, rctl, ctl)
- /* parse and validate the command line options */
- int argc; /* argument count */
- char **argv; /* argument strings */
- struct runctl *rctl; /* global run controls to modify */
- 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 helpflag = 0; /* TRUE when option help was explicitly requested */
- int option_index;
- char *buf, *cp;
- rctl->poll_interval = -1;
- memset(ctl, ' ', sizeof(struct query)); /* start clean */
- ctl->smtp_socket = -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:
- if (outlevel == O_VERBOSE)
- outlevel = O_DEBUG;
- else
- outlevel = O_VERBOSE;
- break;
- case 'd':
- case LA_DAEMON:
- rctl->poll_interval = xatoi(optarg, &errflag);
- break;
- case 'N':
- case LA_NODETACH:
- nodetach = TRUE;
- break;
- case 'q':
- case LA_QUIT:
- quitmode = TRUE;
- break;
- case 'L':
- case LA_LOGFILE:
- rctl->logfile = optarg;
- break;
- case LA_INVISIBLE:
- rctl->invisible = TRUE;
- break;
- case 'f':
- case LA_RCFILE:
- rcfile = (char *) xstrdup(optarg);
- break;
- case 'i':
- case LA_IDFILE:
- rctl->idfile = (char *) xstrdup(optarg);
- break;
- case LA_POSTMASTER:
- rctl->postmaster = (char *) xstrdup(optarg);
- break;
- case LA_NOBOUNCE:
- run.bouncemail = FALSE;
- break;
- case 'p':
- case LA_PROTOCOL:
- /* XXX -- should probably use a table lookup here */
- if (strcasecmp(optarg,"auto") == 0)
- ctl->server.protocol = P_AUTO;
- else if (strcasecmp(optarg,"pop2") == 0)
- ctl->server.protocol = P_POP2;
- #ifdef SDPS_ENABLE
- else if (strcasecmp(optarg,"sdps") == 0)
- {
- ctl->server.protocol = P_POP3;
- ctl->server.sdps = TRUE;
- }
- #endif /* SDPS_ENABLE */
- else if (strcasecmp(optarg,"pop3") == 0)
- ctl->server.protocol = P_POP3;
- else if (strcasecmp(optarg,"apop") == 0)
- ctl->server.protocol = P_APOP;
- else if (strcasecmp(optarg,"rpop") == 0)
- ctl->server.protocol = P_RPOP;
- else if (strcasecmp(optarg,"kpop") == 0)
- {
- ctl->server.protocol = P_POP3;
- #if INET6_ENABLE
- ctl->server.service = KPOP_PORT;
- #else /* INET6_ENABLE */
- ctl->server.port = KPOP_PORT;
- #endif /* INET6_ENABLE */
- #ifdef KERBEROS_V5
- ctl->server.preauthenticate = A_KERBEROS_V5;
- #else
- ctl->server.preauthenticate = A_KERBEROS_V4;
- #endif /* KERBEROS_V5 */
- }
- else if (strcasecmp(optarg,"imap") == 0)
- ctl->server.protocol = P_IMAP;
- #ifdef KERBEROS_V4
- else if (strcasecmp(optarg,"imap-k4") == 0)
- ctl->server.protocol = P_IMAP_K4;
- #endif /* KERBEROS_V4 */
- #ifdef GSSAPI
- else if (strcasecmp(optarg, "imap-gss") == 0)
- ctl->server.protocol = P_IMAP_GSS;
- #endif /* GSSAPI */
- else if (strcasecmp(optarg, "imap-crammd5") == 0)
- ctl->server.protocol = P_IMAP_CRAM_MD5;
- else if (strcasecmp(optarg, "imap-login") == 0)
- ctl->server.protocol = P_IMAP_LOGIN;
- else if (strcasecmp(optarg,"etrn") == 0)
- ctl->server.protocol = P_ETRN;
- else {
- fprintf(stderr,_("Invalid protocol `%s' specified.n"), optarg);
- errflag++;
- }
- break;
- case 'U':
- case LA_UIDL:
- ctl->server.uidl = FLAG_TRUE;
- break;
- case 'P':
- case LA_PORT:
- #if INET6_ENABLE
- ctl->server.service = optarg;
- #else /* INET6_ENABLE */
- ctl->server.port = xatoi(optarg, &errflag);
- #endif /* INET6_ENABLE */
- break;
- case LA_PREAUTH:
- if (strcmp(optarg, "password") == 0)
- ctl->server.preauthenticate = A_PASSWORD;
- else if (strcmp(optarg, "kerberos") == 0)
- #ifdef KERBEROS_V5
- ctl->server.preauthenticate = A_KERBEROS_V5;
- #else
- ctl->server.preauthenticate = A_KERBEROS_V4;
- #endif /* KERBEROS_V5 */
- else if (strcmp(optarg, "kerberos_v5") == 0)
- ctl->server.preauthenticate = A_KERBEROS_V5;
- else if (strcmp(optarg, "kerberos_v4") == 0)
- ctl->server.preauthenticate = A_KERBEROS_V4;
- else if (strcmp(optarg, "ssh") == 0)
- ctl->server.preauthenticate = A_SSH;
- else {
- fprintf(stderr,_("Invalid preauthentication `%s' specified.n"), optarg);
- errflag++;
- }
- break;
- case 't':
- case LA_TIMEOUT:
- ctl->server.timeout = xatoi(optarg, &errflag);
- if (ctl->server.timeout == 0)
- ctl->server.timeout = -1;
- break;
- case 'E':
- case LA_ENVELOPE:
- ctl->server.envelope = xstrdup(optarg);
- break;
- case 'Q':
- case LA_QVIRTUAL:
- ctl->server.qvirtual = xstrdup(optarg);
- break;
- case 'u':
- case LA_USERNAME:
- ctl->remotename = xstrdup(optarg);
- break;
- case 'a':
- case LA_ALL:
- ctl->fetchall = FLAG_TRUE;
- break;
- case 'K':
- case LA_NOKEEP:
- ctl->keep = FLAG_FALSE;
- break;
- case 'k':
- case LA_KEEP:
- ctl->keep = FLAG_TRUE;
- break;
- case 'F':
- case LA_FLUSH:
- ctl->flush = FLAG_TRUE;
- break;
- case 'n':
- case LA_NOREWRITE:
- ctl->rewrite = FLAG_FALSE;
- break;
- case 'l':
- case LA_LIMIT:
- c = xatoi(optarg, &errflag);
- ctl->limit = NUM_VALUE_IN(c);
- break;
- case 'r':
- case LA_FOLDER:
- xalloca(buf, char *, strlen(optarg) + 1);
- strcpy(buf, optarg);
- cp = strtok(buf, ",");
- do {
- save_str(&ctl->mailboxes, cp, 0);
- } while
- ((cp = strtok((char *)NULL, ",")));
- break;
- case 'S':
- case LA_SMTPHOST:
- xalloca(buf, char *, strlen(optarg) + 1);
- strcpy(buf, optarg);
- cp = strtok(buf, ",");
- do {
- save_str(&ctl->smtphunt, cp, TRUE);
- } while
- ((cp = strtok((char *)NULL, ",")));
- ocount++;
- break;
- case 'D':
- case LA_SMTPADDR:
- ctl->smtpaddress = xstrdup(optarg);
- break;
- case 'Z':
- case LA_ANTISPAM:
- xalloca(buf, char *, strlen(optarg) + 1);
- strcpy(buf, optarg);
- cp = strtok(buf, ",");
- do {
- struct idlist *idp = save_str(&ctl->antispam, NULL, 0);;
- idp->val.status.num = xatoi(cp, &errflag);
- } while
- ((cp = strtok((char *)NULL, ",")));
- break;
- case 'b':
- case LA_BATCHLIMIT:
- c = xatoi(optarg, &errflag);
- ctl->batchlimit = NUM_VALUE_IN(c);
- break;
- case 'B':
- case LA_FETCHLIMIT:
- c = xatoi(optarg, &errflag);
- ctl->fetchlimit = NUM_VALUE_IN(c);
- break;
- case 'e':
- case LA_EXPUNGE:
- c = xatoi(optarg, &errflag);
- ctl->expunge = NUM_VALUE_IN(c);
- break;
- case 'm':
- case LA_MDA:
- ctl->mda = xstrdup(optarg);
- ocount++;
- break;
- case LA_BSMTP:
- ctl->bsmtp = xstrdup(optarg);
- ocount++;
- break;
- case LA_LMTP:
- ctl->listener = LMTP_MODE;
- break;
- case 'T':
- case LA_NETSEC:
- #if NET_SECURITY
- ctl->server.netsec = (void *)optarg;
- #else
- fprintf(stderr, _("fetchmail: network security support is disabledn"));
- errflag++;
- #endif /* NET_SECURITY */
- break;
- #if (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__)
- case 'I':
- case LA_INTERFACE:
- interface_parse(optarg, &ctl->server);
- break;
- case 'M':
- case LA_MONITOR:
- ctl->server.monitor = xstrdup(optarg);
- break;
- #endif /* (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__) */
- case LA_PLUGIN:
- ctl->server.plugin = xstrdup(optarg);
- break;
- case LA_PLUGOUT:
- ctl->server.plugout = xstrdup(optarg);
- break;
- #ifdef SSL_ENABLE
- case LA_SSL:
- ctl->use_ssl = FLAG_TRUE;
- break;
- case LA_SSLKEY:
- ctl->sslkey = xstrdup(optarg);
- break;
- case LA_SSLCERT:
- ctl->sslcert = xstrdup(optarg);
- break;
- #endif
- case 'y':
- case LA_YYDEBUG:
- yydebug = TRUE;
- break;
- case 'w':
- case LA_WARNINGS:
- c = xatoi(optarg, &errflag);
- ctl->warnings = NUM_VALUE_IN(c);
- break;
- case LA_CONFIGDUMP:
- configdump = TRUE;
- break;
- case LA_SYSLOG:
- rctl->use_syslog = FLAG_TRUE;
- break;
- case LA_NOSYSLOG:
- rctl->use_syslog = FLAG_FALSE;
- break;
- case '?':
- case LA_HELP:
- default:
- helpflag++;
- }
- }
- if (errflag || ocount > 1 || helpflag) {
- /* squawk if syntax errors were detected */
- #define P(s) fputs(s, helpflag ? stdout : stderr)
- P(_("usage: fetchmail [options] [server ...]n"));
- P(_(" Options are as follows:n"));
- P(_(" -?, --help display this option helpn"));
- P(_(" -V, --version display version infon"));
- P(_(" -c, --check check for messages without fetchingn"));
- P(_(" -s, --silent work silentlyn"));
- P(_(" -v, --verbose work noisily (diagnostic output)n"));
- P(_(" -d, --daemon run as a daemon once per n secondsn"));
- P(_(" -N, --nodetach don't detach daemon processn"));
- P(_(" -q, --quit kill daemon processn"));
- P(_(" -L, --logfile specify logfile namen"));
- P(_(" --syslog use syslog(3) for most messages when running as a daemonn"));
- P(_(" --invisible don't write Received & enable host spoofingn"));
- P(_(" -f, --fetchmailrc specify alternate run control filen"));
- P(_(" -i, --idfile specify alternate UIDs filen"));
- P(_(" --postmaster specify recipient of last resortn"));
- P(_(" --nobounce redirect bounces from user to postmaster.n"));
- #if (defined(linux) && !INET6_ENABLE) || defined(__FreeBSD__)
- P(_(" -I, --interface interface required specificationn"));
- P(_(" -M, --monitor monitor interface for activityn"));
- #endif
- #if defined( SSL_ENABLE )
- P(_(" --ssl enable ssl encrypted sessionn"));
- P(_(" --sslkey ssl private key filen"));
- P(_(" --sslcert ssl client certificaten"));
- #endif
- P(_(" --plugin specify external command to open connectionn"));
- P(_(" --plugout specify external command to open smtp connectionn"));
- P(_(" -p, --protocol specify retrieval protocol (see man page)n"));
- P(_(" -U, --uidl force the use of UIDLs (pop3 only)n"));
- P(_(" -P, --port TCP/IP service port to connect ton"));
- P(_(" --preauth preauthentication type (password/kerberos/ssh)n"));
- P(_(" -t, --timeout server nonresponse timeoutn"));
- P(_(" -E, --envelope envelope address headern"));
- P(_(" -Q, --qvirtual prefix to remove from local user idn"));
- P(_(" -u, --username specify users's login on servern"));
- P(_(" -a, --all retrieve old and new messagesn"));
- P(_(" -K, --nokeep delete new messages after retrievaln"));
- P(_(" -k, --keep save new messages after retrievaln"));
- P(_(" -F, --flush delete old messages from servern"));
- P(_(" -n, --norewrite don't rewrite header addressesn"));
- P(_(" -l, --limit don't fetch messages over given sizen"));
- P(_(" -w, --warnings interval between warning mail notificationn"));
- #if NET_SECURITY
- P(_(" -T, --netsec set IP security requestn"));
- #endif /* NET_SECURITY */
- P(_(" -S, --smtphost set SMTP forwarding hostn"));
- P(_(" -D, --smtpaddress set SMTP delivery domain to usen"));
- P(_(" -Z, --antispam, set antispam response valuesn"));
- P(_(" -b, --batchlimit set batch limit for SMTP connectionsn"));
- P(_(" -B, --fetchlimit set fetch limit for server connectionsn"));
- P(_(" -e, --expunge set max deletions between expungesn"));
- P(_(" -m, --mda set MDA to use for forwardingn"));
- P(_(" --bsmtp set output BSMTP filen"));
- P(_(" --lmtp use LMTP (RFC2033) for deliveryn"));
- P(_(" -r, --folder specify remote folder namen"));
- #undef P
- if (helpflag)
- exit(PS_SUCCESS);
- else
- exit(PS_SYNTAX);
- }
- return(optind);
- }
- /* options.c ends here */