/* * 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 #include #include #include #if defined(STDC_HEADERS) #include #include #else #include #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_AUTH 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_FETCHDOMAINS 34 #define LA_SMTPADDR 35 #define LA_ANTISPAM 36 #define LA_BATCHLIMIT 37 #define LA_FETCHLIMIT 38 #define LA_EXPUNGE 39 #define LA_MDA 40 #define LA_BSMTP 41 #define LA_LMTP 42 #define LA_PLUGIN 43 #define LA_PLUGOUT 44 #define LA_NETSEC 45 #define LA_INTERFACE 46 #define LA_MONITOR 47 #define LA_CONFIGDUMP 48 #define LA_YYDEBUG 49 #define LA_SMTPNAME 50 #define LA_SHOWDOTS 51 #define LA_PRINCIPAL 52 #define LA_TRACEPOLLS 53 #ifdef SSL_ENABLE #define LA_SSL 54 #define LA_SSLKEY 55 #define LA_SSLCERT 56 #define LA_SSLPROTO 57 #define LA_SSLCERTCK 58 #define LA_SSLCERTPATH 59 #define LA_SSLFINGERPRINT 60 #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:D:"; 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 }, {"showdots", no_argument, (int *) 0, LA_SHOWDOTS }, {"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 }, {"auth", required_argument, (int *) 0, LA_AUTH}, {"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 }, {"fetchdomains", required_argument, (int *) 0, LA_FETCHDOMAINS }, {"smtpaddress", required_argument, (int *) 0, LA_SMTPADDR }, {"smtpname", required_argument, (int *) 0, LA_SMTPNAME }, {"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 }, {"sslproto", required_argument, (int *) 0, LA_SSLPROTO }, {"sslcertck", no_argument, (int *) 0, LA_SSLCERTCK }, {"sslcertpath", required_argument, (int *) 0, LA_SSLCERTPATH }, {"sslfingerprint", required_argument, (int *) 0, LA_SSLFINGERPRINT }, #endif {"principal", required_argument, (int *) 0, LA_PRINCIPAL }, #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 }, {"tracepolls",no_argument, (int *) 0, LA_TRACEPOLLS }, {(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 != '\0') ) { (void) fprintf(stderr, GT_("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, GT_("Value of string '%s' is %s than %d.\n"), s, (value < 0) ? GT_("smaller"): GT_("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, GT_("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, '\0', 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 LA_SHOWDOTS: rctl->showdots = 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.authenticate = A_KERBEROS_V5; #else ctl->server.authenticate = A_KERBEROS_V4; #endif /* KERBEROS_V5 */ } else if (strcasecmp(optarg,"imap") == 0) ctl->server.protocol = P_IMAP; else if (strcasecmp(optarg,"etrn") == 0) ctl->server.protocol = P_ETRN; else if (strcasecmp(optarg,"odmr") == 0) ctl->server.protocol = P_ODMR; else { fprintf(stderr,GT_("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_AUTH: if (strcmp(optarg, "password") == 0) ctl->server.authenticate = A_PASSWORD; else if (strcmp(optarg, "kerberos") == 0) #ifdef KERBEROS_V5 ctl->server.authenticate = A_KERBEROS_V5; #else ctl->server.authenticate = A_KERBEROS_V4; #endif /* KERBEROS_V5 */ else if (strcmp(optarg, "kerberos_v5") == 0) ctl->server.authenticate = A_KERBEROS_V5; else if (strcmp(optarg, "kerberos_v4") == 0) ctl->server.authenticate = A_KERBEROS_V4; else if (strcmp(optarg, "ssh") == 0) ctl->server.authenticate = A_SSH; else if (strcmp(optarg, "otp") == 0) ctl->server.authenticate = A_OTP; else if (strcmp(optarg, "ntlm") == 0) ctl->server.authenticate = A_NTLM; else if (strcmp(optarg, "cram") == 0) ctl->server.authenticate = A_CRAM_MD5; else if (strcmp(optarg, "cram-md5") == 0) ctl->server.authenticate = A_CRAM_MD5; else if (strcmp(optarg, "gssapi") == 0) ctl->server.authenticate = A_GSSAPI; else if (strcmp(optarg, "any") == 0) ctl->server.authenticate = A_ANY; else { fprintf(stderr,GT_("Invalid authentication `%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 LA_FETCHDOMAINS: xalloca(buf, char *, strlen(optarg) + 1); strcpy(buf, optarg); cp = strtok(buf, ","); do { save_str(&ctl->domainlist, cp, TRUE); } while ((cp = strtok((char *)NULL, ","))); break; case 'D': case LA_SMTPADDR: ctl->smtpaddress = xstrdup(optarg); break; case LA_SMTPNAME: ctl->smtpname = 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 
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