/* * For license terms, see the file COPYING in this directory. */ /*********************************************************************** module: options.c project: fetchmail programmer: Eric S. Raymond, description: command-line option processing ***********************************************************************/ #include #include #include #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_QUIT 7 #define LA_LOGFILE 8 #define LA_RCFILE 9 #define LA_IDFILE 10 #define LA_PROTOCOL 11 #define LA_PORT 12 #define LA_AUTHENTICATE 13 #define LA_USERNAME 14 #define LA_ALL 15 #define LA_KILL 16 #define LA_KEEP 17 #define LA_FLUSH 18 #define LA_NOREWRITE 19 #define LA_REMOTEFILE 20 #define LA_SMTPHOST 21 #define LA_MDA 22 #define LA_YYDEBUG 23 static char *shortoptions = "?Vcsvd:qL:f:i:p:P:A:u:akKFnr: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 }, {"quit", no_argument, (int *) 0, LA_QUIT }, {"logfile", required_argument, (int *) 0, LA_LOGFILE }, {"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}, {"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 }, {"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 } }; /********************************************************************* function: parsecmdline description: parse/validate the command line options. arguments: argc argument count. argv argument strings. queryctl pointer to a struct hostrec to receive the parsed options. 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. calls: none. globals: writes outlevel, versioninfo, yydebug, logfile, poll_interval, quitmode, rcfile *********************************************************************/ int parsecmdline (argc,argv,queryctl) int argc; char **argv; struct hostrec *queryctl; { int c; int ocount = 0; /* count of destinations specified */ int errflag = 0; /* TRUE when a syntax error is detected */ int option_index; memset(queryctl, '\0', sizeof(struct hostrec)); /* start clean */ while (!errflag && (c = getopt_long(argc,argv,shortoptions, longoptions,&option_index)) != -1) { switch (c) { case 'V': case LA_VERSION: versioninfo = !0; break; case 'c': case LA_CHECK: check_only = 1; 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 'q': case LA_QUIT: quitmode = 1; break; case 'L': case LA_LOGFILE: 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) queryctl->protocol = P_POP2; else if (strcasecmp(optarg,"pop3") == 0) queryctl->protocol = P_POP3; else if (strcasecmp(optarg,"imap") == 0) queryctl->protocol = P_IMAP; else if (strcasecmp(optarg,"apop") == 0) queryctl->protocol = P_APOP; else if (strcasecmp(optarg,"kpop") == 0) { queryctl->protocol = P_POP3; queryctl->port = KPOP_PORT; queryctl->authenticate == A_KERBEROS; } else { fprintf(stderr,"Invalid protocol `%s' specified.\n", optarg); errflag++; } break; case 'P': case LA_PORT: queryctl->port = atoi(optarg); break; case 'A': case LA_AUTHENTICATE: if (strcmp(optarg, "password") == 0) queryctl->authenticate = A_PASSWORD; else if (strcmp(optarg, "kerberos") == 0) queryctl->authenticate = A_KERBEROS; else { fprintf(stderr,"Invalid authentication `%s' specified.\n", optarg); errflag++; } break; case 'u': case LA_USERNAME: strncpy(queryctl->remotename,optarg,sizeof(queryctl->remotename)-1); break; case 'a': case LA_ALL: queryctl->fetchall = !0; break; case 'K': case LA_KILL: queryctl->keep = 0; break; case 'k': case LA_KEEP: queryctl->keep = !0; break; case 'F': case LA_FLUSH: queryctl->flush = !0; break; case 'n': case LA_NOREWRITE: queryctl->norewrite = 1; break; case 'r': case LA_REMOTEFILE: strncpy(queryctl->mailbox,optarg,sizeof(queryctl->mailbox)-1); break; case 'S': case LA_SMTPHOST: strncpy(queryctl->smtphost,optarg,sizeof(queryctl->smtphost)-1); ocount++; break; case 'm': case LA_MDA: strncpy(queryctl->mda,optarg,sizeof(queryctl->mda)); ocount++; break; case 'y': case LA_YYDEBUG: yydebug = 1; break; case '?': case LA_HELP: default: errflag++; } } 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(" -q, --quit kill daemon process\n", stderr); fputs(" -L, --logfile specify logfile name\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(" -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(" -S, --smtphost set SMTP forwarding host\n", stderr); fputs(" -r, --remote specify remote folder name\n", stderr); return(-1); } return(optind); }