#define WANT_DECLARATIONS 1
#include "config.h"
#ifndef lint
static char rcsid[] ATTR_UNUSED = "$Id$";
#endif

#include "setup.h"

#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_STDARG_H
#include <stdarg.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifdef HAVE_CTYPE_H
#include <ctype.h>
#endif
#ifdef HAVE_TERMIOS_H
#include <termios.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_ASSERT_H
#include <assert.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_SYS_POLL_H
#include <sys/poll.h>
#endif
#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif

#ifdef HAVE_GETOPT_LONG
#include <getopt.h>
#else
#include "getopt.h"
#endif


/* Always override possible system defintions as it is safe (used by glib) */
#undef MAX
#define MAX(a,b) ((a)>(b)?(a):(b))
#undef MIN
#define MIN(a,b) ((a)<(b)?(a):(b))

#define NELEM(x) (sizeof((x))/sizeof(*(x)))

#ifndef DEBUG
#define dbg(cmd)
#else
#define dbg(cmd) cmd
#endif
/* ANSI C does not allow macro with variable arguments */
#define dO stderr
#define dB(a) dbg(fprintf a)

#define d1(n1)                      dB((dO,n1                     ))
#define d2(n1,n2)                   dB((dO,n1,n2                  ))
#define d3(n1,n2,n3)                dB((dO,n1,n2,n3               ))
#define d4(n1,n2,n3,n4)             dB((dO,n1,n2,n3,n4            ))
#define d5(n1,n2,n3,n4,n5)          dB((dO,n1,n2,n3,n4,n5         ))
#define d6(n1,n2,n3,n4,n5,n6)       dB((dO,n1,n2,n3,n4,n5,n6      ))
#define d7(n1,n2,n3,n4,n5,n6,n7)    dB((dO,n1,n2,n3,n4,n5,n6,n7   ))
#define d8(n1,n2,n3,n4,n5,n6,n7,n8) dB((dO,n1,n2,n3,n4,n5,n6,n7,n8))

static const char version[]="Mobile Device SMS tool (" PACKAGE " " VERSION ")\n";

static int verbose
#ifdef DEBUG
	=0xFFFF
#endif
	;
static char *pname;
static int dis_cleanup=0,devfd=-1;

static char *phone,*device,*logname,*lockfile,*smsmode,*pdusmscmode,*smsc,*maxretry,*readtime,*chartime,*cmdtime,*waittime,*baud,*restore;
static int readbody;
static long maxretryn=DEF_MAXRETRY,readtimen=-1,chartimen=DEF_CHARTIME,cmdtimen=DEF_CMDTIME,waittimen=DEF_WAITTIME,baudn=DEF_BAUD;
#ifdef HAVE_CRTSCTS
static int handshake_rtscts;
static unsigned handshake_stamp;
#else
#define handshake_rtscts (0)
#endif
static enum {
	FSM_AUTO=0,
	FSM_PDU,
	FSM_TEXT
	} force_smsmode=FSM_AUTO;
static enum {
	FPSM_AUTO=0,
	FPSM_COUNT_IN,
	FPSM_COUNT_OUT,
	FPSM_NONE
	} force_pdusmscmode=FPSM_AUTO,
#define FPSM_MIN (FPSM_COUNT_IN)
#define FPSM_MAX (FPSM_NONE)
		try_pdusmscmode=FPSM_MIN;
static size_t bodylen;
/* --send / --send-mobildock / --receive specific */
static char *body;
/* --logo-send specific */
static char *logoname,*gsmnet;
/* --ring-send specific */
static char *ringname;
/* --picture-send specific */
static char *picturename;

static enum modenum {
  MODE_UNKNOWN=0,
/* must differ from regular char-s */
  MODE_FIRST         =0x3400,
	MODE_SEND          =MODE_FIRST+0, /* --send / --send-mobildock */
	MODE_SEND_MOBILDOCK=MODE_FIRST+1, /* --send-mobildock in before readtimen is set */
	MODE_RECEIVE       =MODE_FIRST+2, /* --receive */
	MODE_LOGO_SEND     =MODE_FIRST+3, /* --logo-send */
	MODE_RING_SEND     =MODE_FIRST+4, /* --ring-send */
	MODE_PICTURE_SEND  =MODE_FIRST+5  /* --picture-send */
	} mode=MODE_UNKNOWN;
#define MODE_ORDER(x) ((x)-MODE_FIRST)
#define MODE_NAME(x) (longopts[MODE_ORDER((x))].name)
#define MODE_BIT(x) (1<<MODE_ORDER((x)))

static unsigned mode_stamp;

/* pdusmsc variable has to be filled in */
#define NEED_PDUSMSC() (mode==MODE_SEND)

static char *devicename; /* path stripped */
static char lockreal[512],locked;

static struct termios restios,tios;
static char restios_yes;
static FILE *logf;

static void vlogmsg(char pm,char fatal,const char *fmt,va_list ap) ATTR_PRINTFORMAT(3,0);
static void vlogmsg(char pm,char fatal,const char *fmt,va_list ap)
{
time_t stamp;
char *ctm,*s;
pid_t mypid=-1;
char host[LINE_MAX];

	if (!logf) return;
	if (mypid==-1) {
		mypid=getpid();
		if (gethostname(host,sizeof(host))) strcpy(host,_("<ERROR>"));
		}
	time(&stamp);
	ctm=ctime(&stamp);
	if ((s=strchr(ctm,'\n'))) *s='\0';
	fprintf(logf,"%s %s %s[%d]: ",ctm,host,pname,mypid);
	vfprintf(logf,fmt,ap);
	if (pm) { fputs(": ",logf); fputs(strerror(errno),logf); }
	if (fatal!='\n') fputc((fatal=='.'?'.':'!'),logf);
	fputc('\n',logf);
	fflush(logf);
}

static void logmsg(const char *fmt,...) ATTR_PRINTFORMAT(1,2);
static void logmsg(const char *fmt,...)
{
va_list ap;
	va_start(ap,fmt);
	vlogmsg(0,'\n',fmt,ap);
	va_end(ap);
}

static void error(const char *fmt,...) ATTR_PRINTFORMAT(1,2);
static void error(const char *fmt,...)
{
va_list ap;
char fatal,pm;

	if ((pm=(*fmt=='^'))) fmt++;
	fatal=*fmt;
	if (fatal=='!' || fatal=='.' || fatal=='\n') fmt++;
	else fatal=0;

	fprintf(stderr,"%s: ",pname);
	va_start(ap,fmt);
	vfprintf(stderr,fmt,ap);
	if (fatal=='!') vlogmsg(pm,fatal,fmt,ap);
	va_end(ap);
	if (pm) { fputs(": ",stderr); fputs(strerror(errno),stderr); }
	if (fatal!='\n') fputc((fatal=='.'?'.':'!'),stderr);
	fputc('\n',stderr);
	if (fatal=='!') exit(EXIT_FAILURE);
}

static void chk(const void *p)
{
	if (p) return;
	error(_("!Virtual memory exhausted"));
}

static char *devcmd(const char *term,const char *catch,const char *send,...) ATTR_PRINTFORMAT(3,4);

static void unlockdevice(int hard)
{
	d2("unlockdevice(), locked=%d\n",locked);
	if (!locked || !*lockreal) return;
	if (!hard && locked>1) { locked--; return; }
	d2("Removing lockfile \"%s\"\n",lockreal);
	if (unlink(lockreal))
		error(_("^Error removing my device lockfile \"%s\""),lockreal);
	locked=0;
}

static void cleanup(void)
{
	d1("cleanup()\n");
	if (dis_cleanup) return;
	if (restore) {
char *cmd=restore;
		restore=NULL;
		devcmd(NULL,NULL,"\r\nAT");
		devcmd(NULL,NULL,cmd);
		devcmd(NULL,NULL,"\r\nAT");
		}
	if (restios_yes) {
		if (tcsetattr(devfd,TCSANOW,&restios))
			error(_("^Error restoring termios for device"));
		restios_yes=0;
		}
	unlockdevice(1);
	dis_cleanup=1;
	exit(EXIT_FAILURE);
}

static void usage(void)
{
	fprintf(stderr,_("\
\n\
%s\
\n\
Usage: %s [-c|--config <cfgfile>] [-d|--device <device>]\n\
             [-L|--log <file>] [-l|--lockfile <lock>]\n\
             [-b|--baud <rate>] [-x|--xonxoff] [-C|--rtscts]\n\
             [-M|--smsmode <mode>] [-P|--pdusmscmode <mode>]\n\
             [-s|--smsc <smsc #>] [-m|--maxretry <#>]\n\
             [-r|--readtime <sec>] [-t|--chartime <msec>] [-T|--cmdtime <msec>]\n\
             [-w|--waittime <sec>] [-v|--verbose] [-h|--help] [-V|--version]\n\
             {--send | --send-mobildock | --receive | --logo-send}\n\
  --send / --send-mobildock:\n\
             [-f|--file] <dest. phone> <msg text|msg filename>\n\
  --receive:\n\
             <command name>\n\
  --logo-send:\n\
             <dest. phone> <logo filename> [<GSMnet id>]\n\
  --ring-send:\n\
             <dest. phone> <ring filename>\n\
  --picture-send:\n\
             <dest. phone> <picture .ras filename>\n\
\n\
 -c, --config\tRead this additional config file\n\
\t\t(def. \"%s\" and \"$HOME%s\")\n\
 -d, --device\tMobile on this serial device (def. \"%s\")\n\
 -L, --log\tLog all important messages to this file (def. \"%s\")\n\
 -l, --lockfile\tLock serial port by this file, \"%%s\" is basename of device\n\
\t\t(def. \"%s\")\n\
 -b, --baud\tSet baudrate, 2400-57600 supported (def. %d)\n\
 -x, --xonxoff\tUse XON/XOFF (AKA software) serial port handshaking - default\n\
 -C, --rtscts\tUse RTS/CTS (AKA hardware) serial port handshaking%s\n\
 -M, --smsmode\tForce SMS as: \"pdu\" or 0: PDU mode, \"text\" or 1: text mode\n\
 -P, --pdusmscmode\tForce PDU as: \"count-in\", \"count-out\", \"none\"\n\
 -s, --smsc\tUse this SMS Center number (def. query from mobile)\n\
 -m, --maxretry\tMaximum retries of any command before giving up (def. %d)\n\
 -r, --readtime\tSeconds for maximum wait time for response\n\
\t\t(def. %ds standard, %ds for MobilDock modes,\n\
\t\t multiplied %dx for long cmds)\n\
 -t, --chartime\tMilliseconds between each char (def. %dms)\n\
 -T, --cmdtime\tMilliseconds before each whole AT command (def. %dms)\n\
 -w, --waittime\tSeconds to prevent timeout of 9110 FaxModem (def. %ds)\n\
 -v, --verbose\tIncrease verbosity level, more \"-v\"s give more messages\n\
 -h, --help\tPrint a summary of the options\n\
 -V, --version\tPrint the version number\n\
\n\
--send / --send-mobildock:\n\
 -f, --file\tRead contents of message from file instead\n\
--receive:\n\
 <command name>\tProgram to run on receive, message will be on stdin\n\
\t\tFollowing substitutes are recognized:\n\
\t\t%%p - source phone number\n\
\t\t%%T - timestamp from SMSC as # of seconds from 1970 (-1 if invalid)\n\
\t\t%%t - ctime(3) style timestamp (e.g. \"Wed Jun 30 21:49:08 1993\"),\n\
\t\t     empty string if invalid\n\
\t\t%%s - originating SMSC number, if available (else empty)\n\
--logo-send:\n\
 <GSMnet id>\t* Oper. logo: Enter custom network code MccMnc, e.g. 23002\n\
\t\t* Oper. logo: Specify \"%s\" to read network code from NOL file\n\
\t\t* Group gfx : Specify \"%s\" to send logo as group graphics\n\
\n\
You may need to use the following line to catch all of this help text:\n\
./mdsms -h 2>&1|more\n\
\n"),version,PACKAGE,CONFIG_MAIN,CONFIG_HOME,DEF_DEVICE,DEF_LOGNAME,DEF_LOCKFILE,DEF_BAUD,
#ifdef HAVE_CRTSCTS
		"",
#else
		_("\n\t\t(Not supported on this platform!)"),
#endif
DEF_MAXRETRY,DEF_READTIME,DEF_READTIME_MOBILDOCK,EXT_READTIME,DEF_CHARTIME,DEF_CMDTIME,DEF_WAITTIME,
WORD_NET,WORD_GROUP);
	exit(EXIT_FAILURE);
}

static const struct option longopts[]={
/* Modes has to be in-order on exact positions */
{"send"          ,0,0,MODE_SEND},
{"send-mobildock",0,0,MODE_SEND_MOBILDOCK},
{"receive"       ,0,0,MODE_RECEIVE},
{"logo-send"     ,0,0,MODE_LOGO_SEND},
{"ring-send"     ,0,0,MODE_RING_SEND},
{"picture-send"  ,0,0,MODE_PICTURE_SEND},
/* Mode aliases may follow in no particular order *
 * as long as no non-mode options is between them */
{"send-md"       ,0,0,MODE_SEND_MOBILDOCK},
{"recv"          ,0,0,MODE_RECEIVE},
{"logo"          ,0,0,MODE_LOGO_SEND},
{"ring"          ,0,0,MODE_RING_SEND},
{"picture"       ,0,0,MODE_PICTURE_SEND},
{"config"      ,1,0,'c'},
{"device"      ,1,0,'d'},
{"log"         ,1,0,'L'},
{"lockfile"    ,1,0,'l'},
{"baud"        ,1,0,'b'},
{"xonxoff"     ,0,0,'x'},
{"rtscts"      ,0,0,'C'},
{"smsmode"     ,1,0,'M'},
{"pdusmscmode" ,1,0,'P'},
{"smsc"        ,1,0,'s'},
{"maxretry"    ,1,0,'m'},
{"readtime"    ,1,0,'r'},
{"chartime"    ,1,0,'t'},
{"cmdtime"     ,1,0,'T'},
{"waittime"    ,1,0,'w'},
{"file"        ,0,0,'f'},
{"verbose"     ,0,0,'v'},
{"help"        ,0,0,'h'},
{"version"     ,0,0,'V'},
{NULL          ,0,0,0  }};

static void processargs(int argp,char **args,const char *from);

static char *cfgstack[MAXCFGLOOP];
static unsigned cfgstacki=0;

static void chkfclose(FILE *f,const char *fname)
{
	if (fclose(f))
		error(_("^Error closing \"%s\""),fname);
}

static long getfilesize(FILE *f,const char *fname)
{
long size;

	if (fseek(f,0,SEEK_END))
		error(_("^Error seeking to end of \"%s\""),fname);
	if ((size=ftell(f))<0)
		size=-1,error(_("^Error measuring length of \"%s\""),fname);
	rewind(f);
	return(size);
}

static void readfile(const char *fname,char quiet)
{
FILE *f;
size_t got;
char *args[MAXCFGARGS],*d,*s,blank,quote;
unsigned argp;
char *buf;
long size;
static unsigned tot=0;

	if (tot++>=MAXCFGNUM) {
		if (tot==MAXCFGNUM+1) error(_("Too many config files to read, max is %d, break-out"),MAXCFGNUM);
		return;
		}
	if (!(f=fopen(fname,"rt"))) {
		if (!quiet) error(_("^Can't open config file \"%s\" for r/o"),fname);
		return;
		}
		
	if (verbose>=2) error(_(".Reading config file \"%s\""),fname);
	if ((size=getfilesize(f,fname))==-1) size=0;
	if (size>MAXCONFIG) 
		error(_("File \"%s\" is too long, read only %d bytes"),fname,MAXCONFIG);
	chk(buf=malloc((size?size:MAXCONFIG)+1));
	got=fread(buf,1,(size?size:MAXCONFIG),f);
	if (size && got!=size)
		error(_("File \"%s\" read error, got only %u bytes of %ld"),fname,got,size);
	chkfclose(f,fname);
	buf[got]='\0';
	args[0]=pname;
	for (argp=1,d=s=buf,blank=1,quote=0;s<buf+got;s++) {
char c=*s;

		if (!quote && isspace(c)) {
			if (!blank) {
				*d='\0';
				blank=1;
				if (verbose>=2) error(_("\nConfig \"%s\": arg#%d: %s"),fname,argp-1,args[argp-1]);
				}
			continue;
			}
		if (blank) {
			if (argp>=NELEM(args)-1) {
				error(_("Too many arguments in \"%s\", from offset %d ignored"),fname,s-buf);
				break;
				}
			args[argp++]=s;
			d=s;
			blank=0;
			}
		if (c=='\\') { *d++=*++s; continue; }
		if (c=='"' || c=='\'') {
			if (!quote   ) { quote=c; continue; }
			if ( quote==c) { quote=0; continue; }
			/* FALLTHRU */
			}
		*d++=c;
		}
	args[argp]=NULL;
	processargs(argp,args,fname);
	free(buf);
}

static struct argstack {
	struct argstack *next;
	int num,offset;
	const char *from;
	char *arg[1];
	} *argstack;

static struct argstack **argstack_tail=&argstack;
static size_t lastargstack_len;
static const char *lastargstack_from;
static int lastargstack_index;

static size_t argstack_size;
static int argstack_num;

static void pushargstack(char **args,int num,int offset,const char *from,char stack)
{
struct argstack *as;
int i;

	if (!num) return;
	assert(num>=1);
	chk(as=malloc(sizeof(*as)+sizeof(as->arg)*(num-1)));
	as->num=num;
	as->offset=offset;
	if (!from) as->from=NULL;
	else chk(as->from=strdup(from));
	for (i=0;i<num;i++) {
		chk(as->arg[i]=strdup(args[i]));
		argstack_size+=strlen(args[i]);
		}
	argstack_num+=num;
	if (stack) {
		as->next=argstack;
		argstack=as;
		}
	else {
		as->next=NULL;
		*argstack_tail=as;
		argstack_tail=&as->next;
		}
}

static void pushargstack_one(char *s,char stack)
{ pushargstack(&s,1,0,NULL,stack); }

static char *nextargstack(void)
{
static int order=0;
char *r;

	if (argstack && order==argstack->num) {
struct argstack *as=argstack;
		if (!(argstack=as->next))
			argstack_tail=&argstack;
		order=0;
		free((char *)as->from);
		lastargstack_from=NULL;
		free(as);
		}
	if (!argstack) {
		assert(!argstack_num); assert(!argstack_size);
		return(NULL);
		}
	assert(order<argstack->num);
	lastargstack_index=argstack->offset+order;
	r=argstack->arg[order++];
	assert(argstack_num>0); argstack_num--;
	lastargstack_len=strlen(r);
	assert(argstack_size>=lastargstack_len); argstack_size-=lastargstack_len;
	lastargstack_from=argstack->from;
	return(r);
}

static char *glueargstack(size_t *destlenp,const char *glue)
{
size_t gluel=(glue?strlen(glue):0),destlen;
char *dest,*d,*s;

	if (!argstack_num) {
		chk(dest=strdup(""));
		if (destlenp) *destlenp=0;
		return(dest);
		}
	destlen=argstack_size+(argstack_num-1)*gluel;
	if (destlenp) *destlenp=destlen;
	chk(dest=malloc(destlen+1));
	for (d=dest;(s=nextargstack());) {
		memcpy(d,s,lastargstack_len);
		free(s);
		d+=lastargstack_len;
		if (!argstack_num) break;
		if (!glue) continue;
		memcpy(d,glue,gluel);
		d+=gluel;
		assert(d<=dest+destlen);
		}
	assert(!argstack_num);
	assert(d==dest+destlen);
	*d='\0';
	return(dest);
}

static struct {
	const char c;
	char **const var;
	unsigned stamp;
	} optset[]={
		{ 'd',&device       },
		{ 'L',&logname      },
		{ 'l',&lockfile     },
		{ 'b',&baud         },
		{ 'M',&smsmode      },
		{ 'P',&pdusmscmode  },
		{ 's',&smsc         },
		{ 'm',&maxretry     },
		{ 'r',&readtime     },
		{ 't',&chartime     },
		{ 'T',&cmdtime      },
		{ 'w',&waittime     },
	};

static void processargs(int argp,char **args,const char *from)
{
int optc;
static unsigned seq=0;
int i;

	seq++;
	optarg=NULL; optind=0; /* FIXME: Possible portability problem. */
	while ((optc=getopt_long(argp,args,"c:d:L:l:b:xCM:P:s:m:r:t:T:w:fvhV",longopts,NULL))!=EOF) switch (optc) {
		case 'c':
			if (cfgstacki>=NELEM(cfgstack)) {
				error(_("Looping (%d) during attempt to read config file \"%s\", break-out"),NELEM(cfgstack),from);
				break;
				}
			chk(cfgstack[cfgstacki++]=strdup(optarg));
			break;
		case 'd': case 'L': case 'b': case 'l': case 'M': case 'P': case 's': case 'm': case 'r': case 't': case 'T': case 'w':
			for (i=0;i<NELEM(optset);i++)
				if (optset[i].c==optc) {
					if (optset[i].stamp && optset[i].stamp!=seq) {
						assert(!!*optset[i].var);
						break;
						}
					free(*optset[i].var);
					chk(*optset[i].var=strdup(optarg));
					optset[i].stamp=seq;
					break;
					}
			assert(i<NELEM(optset));
			break;
		case 'x': case 'C':
#ifdef HAVE_CRTSCTS
			if (handshake_stamp && handshake_stamp!=seq) break;
			handshake_rtscts=(optc=='C');
			handshake_stamp=seq;
#else
			if (optc=='C')
				error(_("!RTS/CTS handshake NOT supported on this platform! Occured during parsing option %d from \"%s\""),optind-1,from);
#endif
			break;
		case MODE_SEND:
		case MODE_SEND_MOBILDOCK:
		case MODE_RECEIVE:
		case MODE_LOGO_SEND:
		case MODE_RING_SEND:
		case MODE_PICTURE_SEND:
			if (mode_stamp && mode_stamp!=seq) break;
			mode=optc;
			mode_stamp=seq;
			break;
		case 'f':
			readbody++;
			break;
		case 'v':
#ifndef DEBUG	/* prevent suppositious overflow */
			verbose++;
#endif
			break;
		case 'V':
			fprintf(stderr,version);
			exit(EXIT_FAILURE);
		default:
			if (optc!='h')
				error(_("\nLast getopt(3) error occured during parsing option %d from \"%s\"! Follows help:"),optind-1,from);
			usage();
			break;
		}
	pushargstack(args+optind,argp-optind,optind,from,1);
	while (cfgstacki) {
char *s=cfgstack[--cfgstacki];

		assert(cfgstacki>=0);
		readfile(s,0);
		free(s);
		assert(cfgstacki>=0 && cfgstacki<NELEM(cfgstack));
		}
}

static const struct nullcheck {
	char **var;
	enum modenum reqd;
	const char *name;
	} nullcheck[]={
		{&phone,MODE_BIT(MODE_SEND)
		       |MODE_BIT(MODE_SEND_MOBILDOCK)
		       |MODE_BIT(MODE_LOGO_SEND)
		       |MODE_BIT(MODE_RING_SEND)
		       |MODE_BIT(MODE_PICTURE_SEND),
			N_("destination phone number")},
		{&   logoname,MODE_BIT(   MODE_LOGO_SEND),N_(   "logo filename")},
		{&   ringname,MODE_BIT(   MODE_RING_SEND),N_(   "ring filename")},
		{&picturename,MODE_BIT(MODE_PICTURE_SEND),N_("picture filename")},
		{&body,MODE_BIT(MODE_RECEIVE),N_("body text")}, /* we allow empty bodies for SENDs */
#if 0
		{&gsmnet,MODE_BIT(MODE_LOGO_SEND),N_("GSM operator network code")},
		{&device,0,N_("device for communication")},
#endif
	};
static char **emptycheck[]={&logname,&smsc,&logoname,&gsmnet};

static inline void emptyclean(void)
{
int i;

	for (i=0;i<NELEM(emptycheck);i++)
		if (*emptycheck[i] && !**emptycheck[i]) {
			free(*emptycheck[i]);
			     *emptycheck[i]=NULL;
			}
}

static inline void cmdline_done(void)
{
char *s;
	while ((s=nextargstack())) {
		error(_("\nExcessive option %d from \"%s\" ignored: %s"),
			lastargstack_index,lastargstack_from,s);
		free(s);
		}
	emptyclean();
}

static char *check_phone(const char *phone)
{
const char *s,*s1;
static char err[LINE_MAX];

	for (s=s1=(phone+(*phone=='+'));*s && s-s1<MAXNUMLEN;s++)
		if (!isdigit(*s)) {
			VARPRINTF2(err,_("Invalid digit '%c' in phone number - at offset %d"),
				*s,s-phone);
			return(err);
			}
	if (!*s) return(NULL);
	VARPRINTF2(err,_("Phone number too long (%d), max. %d digits allowed"),
		strlen(s1),MAXNUMLEN);
	return(err);
}

static void cmdline_phone(void)
{
	if (!phone && (phone=nextargstack())) {
char *s;

		if ((s=check_phone(phone)))
			error(_("!%s in option %d from \"%s\": %s"),
					s,lastargstack_index,lastargstack_from,phone);
		}
}

static inline void cmdline_receive(void)
{
char *s;

	if (!body && argstack_num) {
		body=glueargstack(&bodylen," ");
		for (s=body;(s=strchr(s,'%'));s++)
			switch (*++s) {
				case 'p': case 'T': case 't': case 's': break;
				default:
					error(_("Unknown formatsymbol '%c' (use \"%%%%%c\" to fix it) at pos %d in: %s"),
						*s,*s,s-body,body);
				}
		}
}

static inline void cmdline_send(void)
{
	cmdline_phone();
	if (!body && argstack_num)
		body=glueargstack(&bodylen," ");
}

static inline void cmdline_logo_send(void)
{
char *ogsmnet;

	cmdline_phone();
	if (!logoname) logoname=nextargstack();
	if (!gsmnet && (ogsmnet=nextargstack())) {
char *s,*d,e=0;

		chk(gsmnet=strdup(ogsmnet));
		if (strtrycasecmp(gsmnet,WORD_NET) && strtrycasecmp(gsmnet,WORD_GROUP)) {
			for (d=s=gsmnet;*s;s++) {
				if (isdigit(*s)) { *d++=*s; continue; }
				if (isspace(*s)) continue;
				error(_("\nInvalid characted '%c' in GSMnet at offs %d: %s"),
					*s,s-gsmnet,ogsmnet);
				e=1;
				break;
				}
			if ((d-gsmnet)!=5) {
				error(_("\nGSMnet is required to have exactly 5 digits or to be\n\
either \"%s\" or \"%s\", but found length %d: %s"),
					WORD_NET,WORD_GROUP,d-gsmnet,ogsmnet);
				e=1;
				}
			if (!e) *d='\0';
			else {
				error(_("\nGSMnet option %d from \"%s\" rejected due to previous errors: %s"),
					lastargstack_index,lastargstack_from,ogsmnet);
				free(gsmnet);
				gsmnet=NULL;
				}
			}
		}
}

static inline void cmdline_ring_send(void)
{
	cmdline_phone();
	if (!ringname) ringname=nextargstack();
}

static inline void cmdline_picture_send(void)
{
	cmdline_phone();
	if (!picturename) picturename=nextargstack();
}

static void lockclose(int fd)
{
	if (close(fd))
		error(_("Error closing lockfile \"%s\""),lockreal);
}

static int lockdevice(int attempt)
{
int fd=-1;
char buf[64];
ssize_t got;
int delay=0;
char empty=0;
pid_t pid;

	d2("lockdevice(), locked=%d\n",locked);
	if (locked) return (++locked);
	for (;;) {
		if (fd!=-1) lockclose(fd);
recheck:
		if (delay) sleep(delay);
		delay=DEVLOCK_PERIOD;
		if (verbose>=3) error(_(".Checking the lockfile \"%s\".."),lockreal);
		if ((fd=open(lockreal,O_RDONLY))==-1) break;
		if ((got=read(fd,buf,sizeof(buf)-1))<=0) {
isempty:
			if (empty>=DEVLOCK_MAXEMPTY) {
				error(_(".Lockfile \"%s\" is still not valid, removing it"),lockreal);
				goto remove;
				}
			empty++;
			continue;
			}
		assert(got<sizeof(buf));
		buf[got]='\0';
		if (sscanf(buf,"%d",&pid)!=1) goto isempty;
		empty=0;
		errno=0;
		if (kill(pid,0) && errno!=ESRCH && errno!=EPERM)
			error(_("^Error during checking consciousness of PID %d"),pid);
		if (errno!=ESRCH) {
			if (attempt) return(0);
			continue;
			}
		error(_(".Lockfile \"%s\" is stale (PID %d), removing it"),lockreal,pid);
remove:
		lockclose(fd);
		if (unlink(lockreal))
			error(_("^Error removing foreign lockfile \"%s\""),lockreal);
		break;
		}
	errno=0;
	if ((fd=open(lockreal,O_WRONLY|O_CREAT|O_EXCL,0644))==-1) {
		if (errno==EEXIST) goto recheck;
		error(_("^!Error creating lockfile \"%s\""),lockreal);
		}
	locked=1;
	got=VARPRINTF(buf,"%010d\n",getpid()); assert(got==11);
	if (write(fd,buf,got)!=got)
		error(_("^!Error writing data to lockfile \"%s\""),lockreal);
	lockclose(fd);
	return((locked=1));
}

static char wasalarm=0;
static void sigalarm(int signo);

static void setalarm(void)
{
	signal(SIGALRM,(RETSIGTYPE (*)(int))sigalarm);
#ifdef HAVE_SIGINTERRUPT
	siginterrupt(SIGALRM,1);
#endif
}

static void sigalarm(int signo)
{
	setalarm();
	wasalarm=1;
	if (verbose>=1) error(_("Timed out"));
}

static void blocking(char yes)
{
static char state=-1;
	if (state==yes) return;
	if (fcntl(devfd,F_SETFL,(yes?0:O_NONBLOCK)))
		error(_("^!fcntl() on device for %s mode"),(yes?_("blocking"):_("non-blocking")));
	state=yes;
}

static const char *record,*recordend;
static char *catchdata;
static size_t catchdatal,catchdatasiz;

static const char *reform(const char *s,int slot);
static void catched(const char *end,char edata)
{
size_t len;
const char *p;

	if (!record) return;
	assert(end>=record);
	p=memchr(record,edata,end-record);
	if ((len=(p?p:end)-record)) {
		if (!catchdata)
			chk(catchdata=malloc((catchdatasiz=LINE_MAX)));
		if (catchdatal+len>catchdatasiz)
			chk(catchdata=realloc(catchdata,
				(catchdatasiz=(catchdatal+len)*2)));
		memcpy(catchdata+catchdatal,record,len);
		catchdatal+=len;
		}
	record   =(p?NULL:end);
	recordend=(p?p   :end);
	assert(catchdatal<=catchdatasiz);
}

static int retrycnt=0;
static void retrying(void)
{
	if (maxretryn>=0 && ++retrycnt>=maxretryn) error(_("!Maximum command retry count (%ld) exceeded"),maxretryn);
	if (verbose>=2) error(_(".Retrying phase, %d out of %ld.."),retrycnt,maxretryn);
}

static const char *reform(const char *s,int slot)
{
static struct formslot {
	char *s;
	size_t l;
	} arr[3];
char c,*d;
struct formslot *fs;

	assert(slot>=0 && slot<NELEM(arr));
	if (!s) return(_("<unset>"));
	if (!(fs=&arr[slot])->s)
		chk(fs->s=malloc(fs->l=LINE_MAX));
	d=fs->s;
	for (*d++='"';(c=*s);s++) {
		if (d>=fs->s+fs->l-10) {
off_t o=d-fs->s;
			chk(fs->s=realloc(fs->s,(fs->l=(fs->l?fs->l*2:LINE_MAX))));
			d=fs->s+o;
			}
		if (c!='\\' && c!='"' && isprint(c)) { *d++=c; continue; }
		*d++='\\';
		switch (c) {
			case '\\': case '"': *d++=c; break;
			case '\n': *d++='n'; break;
			case '\r': *d++='r'; break;
			case '\032': *d++='Z'; break;
			case '\033': *d++='e'; break;
			default:
				d+=sprintf(d,"x%02X",(unsigned char)c);
				break;
			}
		}
	*d++='"'; *d='\0';
	return(fs->s);
}

static char devcmd_empty_return='\0'; /* returned as catch when only newlines found */

static char *devcmd(const char *term,const char *catch,const char *send,...) ATTR_PRINTFORMAT(3,4);
static char *devcmd(const char *term,const char *catch,const char *send,...)
{
size_t l,bufl2,terml,catchl=0 /* GCC happiness */,fragl,offs;
static char buf[LINE_MAX];
static size_t bufl;
ssize_t got;
char *hit,*s;
va_list ap;
char errout,extend,catch_any,edata;
long alarmtime;
const char *osend;
static const char emptystring[]="";
size_t discard;

	if (!term) term="\nOK\n";
	if (!strcmp(send," ")) send=NULL; /* GCC formatstring-check workaround */
	if (verbose>=2) error(_(".devcmd(sendfmt=%s,term=%s,catch=%s)"),
		reform(send,0),reform(term,1),reform(catch,2));
	if (!(osend=send)) send="";
	if ((catch_any=(catch && !strcmp(catch,"@")))) catch=NULL;
	if ((errout=(*send=='!'))) send++;
	errout|=(maxretryn==-1);
	if ((extend=(*send=='~'))) send++;
	alarmtime=readtimen*(extend?EXT_READTIME:1);
	buf[bufl]='\0'; /* for d8() below */
	d8("devcmd(), alarmtime=%ld, errout=%d, extend=%d, catch_any=%d, osend=%p, bufl=%d, buf: %s\n",
		alarmtime,errout,extend,catch_any,osend,bufl,reform(buf,0));
	assert(!catch || !strchr(catch,'\r')); /* we are no longer supporting 'noconvcr'! */
	assert(!term  || !strchr(term ,'\r'));
	if (0) {
err:
		alarm(0);
		if (errout) return(NULL);
		retrying();
		}
	catchdatal=0;
	if (osend) {
		bufl=0;
		d1("Resetting bufl.\n");
		va_start(ap,send);
		l=VARVPRINTF(buf,send,ap); bufl=l+(!!osend);
		va_end(ap);
		if (bufl>=sizeof(buf)-1) error(_("!Command too big (%d>%d)"),bufl,sizeof(buf)-1);
		if (verbose>=2) error(_(".devcmd formatted send=%s%s"),reform(buf,0),(osend?"+\"\\r\"":""));
		if (osend) buf[l]='\r';
		for (offs=0,got=0;offs<bufl;offs++) {
			alarm(MAXSENDTIME);
			usleep((offs?chartimen:cmdtimen)*1000);
			if (!offs && tcflush(devfd,TCIOFLUSH))
				error(_("^Error flushing I/O queue of device"));
			if (write(devfd,buf+offs,1)!=1) break;
			got++;
			if (tcdrain(devfd))
				error(_("^Error forcing output of char at pos %d of cmd %s"),offs,reform(buf,0));
			}
		alarm(0);
		if (got!=bufl) {
			error(_("^Wrote only %d of %d bytes of command"),got,bufl);
			goto err;
			}
		}

	if (!(terml=strlen(term))) {
		assert(!catch); assert(!catch_any);
		return(NULL);
		}
	if (catch) {
		catchl=strlen(catch);
		fragl=MAX(terml,catchl);
		}
	else fragl=terml;
	fragl=MAX(fragl,MAX(strlen(ERROR_SUBSTR1),strlen(ERROR_SUBSTR2)));
	record=recordend=NULL;
	wasalarm=0;
	alarm(alarmtime);
	edata='\n';
	if (!osend) {
		/* "bufl" important */
		goto skipread;
		}
	for (;;) {
		blocking(0);
		errno=0;
		got=read(devfd,buf+bufl,sizeof(buf)-1-bufl);
		if (got==-1 && errno==EAGAIN) {
			blocking(1);
			errno=0;
			got=read(devfd,buf+bufl,1);
			}
		if (got<=0) {
			buf[bufl]='\0'; /* for strspn() below */
			if (!strcmp(term,"\n") && catch /* written to trap on 'devcmd("\n","+CMT:"," ")' */
			    && bufl==strspn(buf,"\n" /* accept */)) { /* only newlines found */
				if (verbose>=2)
					error(_(".Blank (%d newlines) input read, ignoring it"),bufl);
				bufl=0; /* discard newlines */
				return(&devcmd_empty_return);
				}
			if (wasalarm) error(_("Maximum response timeout (%lds) exceeded"),alarmtime);
			else error(_("^Couldn't read device data (ret=%d)"),got);
			goto err;
			}
		bufl2=bufl+got;
		buf[bufl2]='\0';
		s=buf+bufl;
		while (buf+bufl2>s && (s=memchr(s,'\0',buf+bufl2-s))) *s++=REPL_NULLCHAR;
		if (verbose>=3)
			error(_("\nGot chunk of data from device: %s"),reform(buf+bufl,0));
		/* convert CR */ {
			s=buf+bufl;
			while (buf+bufl2>s && (s=memchr(s,'\r',buf+bufl2-s))) *s++='\n';
			}
		bufl=bufl2;
skipread:
		catched(buf+bufl,edata); assert(!record || record==buf+bufl);
		assert(bufl<sizeof(buf)-1);
		buf[bufl]='\0';
		assert(strlen(buf)==bufl);
		/* d3(">%s|%s<\n",buf,term); */
		if (strstr(buf,ERROR_SUBSTR1) || strstr(buf,ERROR_SUBSTR2)) {
			error(_("Found ERROR response on command %s"),reform(send,0));
			goto err;
			}
/* "record" may get NULLed here after successful 'catch'
 * but "recordend" will never be NULLed
 */
		if (catch && !recordend && bufl>=catchl && (hit=strstr(buf,catch))) {
			record=hit+catchl;
			catched(buf+bufl,edata); assert(!record || record==buf+bufl);
			}
		if (catch_any && !recordend && buf[discard=strspn(buf,"\n" /* accept */)]) {
			record=buf+discard;
			catched(buf+bufl,edata); assert(!record || record==buf+bufl);
			}
		if (((!catch && !catch_any) || catchdatal) && bufl>= terml
		    && (hit=strstr((recordend?recordend:buf),term))) {
			memmove(buf,hit+terml,(bufl2=(buf+bufl)-(hit+terml))); bufl=bufl2;
			break;
			}
		if (bufl<fragl) continue;
		memmove(buf,buf+bufl-(fragl-1),(bufl2=fragl-1));
		if (record   ) record-=bufl-bufl2;
		if (recordend) recordend-=bufl-bufl2;
		bufl=bufl2;
		}
	alarm(0);
	if (!catchdatal) {
		assert(!catch && !catch_any);
		return("");
		}
	assert(!!catch || catch_any);
	record=emptystring;
	catched(record+1,edata);
	if (verbose>=2) error(_(".Returning data %s for cmd %s"),reform(catchdata,0),reform(send,1));
	return(catchdata);
}

static int prepaddr(unsigned char *d,const char *addr)
{
int tot=0;
char flip=0,plus;
unsigned char n;

	if ((plus=(*addr=='+'))) addr++;
	*++d=(plus?ADDR_INT:ADDR_NAT);
	while (*addr) {
		if (*addr<'0' || *addr>'9')
			error(_("!Error during conversion of number at: %s"),addr);
		tot++;
		n=(*addr++)-'0';
		if ((flip=!flip)) *++d=0xF0|n;
		else *d=(*d&0x0F)|(n<<4U);
		}
	return(tot);
}

static char *finalsmsc;
#define SMSCBINSIZE (1+1+(MAXNUMLEN+1)/2)
static char pdusmsc[SMSCBINSIZE*2+1];

static inline char tohex(unsigned char x)
{
	x&=0x0F;
	if (x<10) return(x   +'0');
	          return(x-10+'A');
}

static inline void textconv(char *d,unsigned char *s,size_t len)
{
	while (len--) {
		*d++=tohex(*s>>4U);
		*d++=tohex(*s    );
		s++;
		}
	*d='\0';
}

static inline void smscset(void)
{
char *s,*t,*e,*serr;
unsigned char bin[2+(MAXNUMLEN+1)/2];

	if (smsc) devcmd(NULL,NULL,"\r\nAT+CSCA=\"%s\"",smsc);
	s=devcmd(NULL,"\n+CSCA:","\r\nAT+CSCA?");
	while (isspace(*s)) s++;
	if (!*s || !strcmp(s,"EMPTY"))
		error(_("!No SMSC set in mobile station found, please use option \"-s\""));
	if (verbose>=1) error(_("\nFound default SMSC in mobile: %s"),s);
	if (*s++!='"') error(_("!No left-quote found in: %s"),s);
	if (!(t=strrchr(s,'"'))) error(_("!No right-quote found in: %s"),s);
	if (s==t)
		error(_("!No SMS set in mobile station found, please use option \"-s\""));
	e=t++;
	while (isspace(*t)) t++;
	if (*t) {
long l;

		if (*t++!=',') error(_("!No comma found after quotes in: %s"),s);
		while (isspace(*t)) t++;
		l=strtol(t,&serr,10);
		if ((l!=ADDR_NAT && l!=ADDR_INT) || (serr && *serr))
			error(_("!Type parse error in: %s"),s);
		if (l==ADDR_INT && *s!='+') *--s='+';
		}
	*e='\0';
	if (verbose>=2) error(_("\nDecoded SMSC address: %s"),s);
	if (!NEED_PDUSMSC()) return;
	chk(finalsmsc=strdup(s));
	bin[0]=1+(prepaddr(bin,finalsmsc)+1)/2;
	textconv(pdusmsc,bin,bin[0]+1);
}

static inline unsigned char charconv_send(char c,size_t offs)
{
	switch (c) {
		case '@': return(0);
		case '$': return(2);
		case 0: assert(0);
		default:
			return(c&0x7F);
		}
#if 0
	if ((c>='A' && c<='Z') || (c>='a' && c<='z') || (c>='0' && c<='9')) return(c);
	error(_("Can't convert character '%c' (0x%02X) at offs %d (0-based), substituted '?'"),
		c,(unsigned char)c,offs);
	return('?');
#endif
}

static inline unsigned char charconv_recv(char c,size_t offs)
{ /* FIXME: unify with charconv_send() */
	switch (c) {
		case 0: return('@');
		case 2: return('$');
		default:
			return(c);
		}
/* strict checking not done, see charconv_send */
}

/* Logo format shamelessly stolen from GNokii-0.3.0: http://www.gnokii.org/
 * Beware - Nokia Smart Messaging specification 1.0.0 and 2.0.0 is incompatible
 * with Nokia current product line implementation
 * http://www.forum.nokia.com/developers/smartmsg/download/ssm2_0_0.pdf
 */

static char *pdudata;
static struct hexdata {
	struct hexdata *next;
	char data[140*2+1];
	} *hexdata,**hexdatatail=&hexdata;

static void nokiaprep(unsigned char *bin,size_t w)
{
struct hexdata *hd;
	assert(w<=140);
	chk(hd=malloc(sizeof(*hd)));
	*hexdatatail=hd;
	hd->next=NULL;
	hexdatatail=&hd->next;
	textconv(hd->data,bin,w);
	if (verbose>=2) error(_("\nWill send hexdata: %s"),hd->data);
}

static inline void logoread(void)
{
FILE *f;
char buf[32+140*8+1];
unsigned char bin[140]={
	0x06, /* UDH length */
	0x05, /* IEI */
	0x04, /* IEDL */
	0x15, 0x83, /* dest port (group gfx) */
	0x15, 0x83  /* src port (unused) */
	};
size_t got,r=0 /* GCC happiness */,w;
ssize_t chars,bits;
char gsmnetf[10];
int sizex,sizey,bit;

#define WORD(n) (((unsigned char)buf[(n)])|(((unsigned char)buf[(n)+1])<<8))

	if (!(f=fopen(logoname,"rb")))
		error(_("^!Cannot open logo file \"%s\" for r/o"),logoname);
	got=fread(buf,1,sizeof(buf),f);
	chkfclose(f,logoname);
	     if (got>=20 && !memcmp(buf,"NOL",4)) {
		VARPRINTF2(gsmnetf,"%03.3u%02.2u",WORD(6),WORD(8));
		assert(strlen(gsmnetf)==5);
		r=10;
		if (verbose>=1) error(_(".Reading NOL file \"%s\", GSMnet \"%s\", word@4=%d.."),
			logoname,gsmnetf,WORD(4));
		}
	else if (got>=16 && !memcmp(buf,"NGG",4)) {
		r=6;
		if (verbose>=1) error(_(".Reading NGG file \"%s\", word@4=%d.."),
			logoname,WORD(4));
		}
	else error(_("!Unknown file format of logo file \"%s\""),logoname);
	if (gsmnet && !strtrycasecmp(gsmnet,WORD_NET)) {
		if (!*gsmnetf) error(_("!NOL network code detection requested but NOL file not loaded, please specify network code"));
		gsmnet=gsmnetf;
		}
	if (!gsmnet || !strtrycasecmp(gsmnet,WORD_GROUP) || !*gsmnet) {
		error(_("\nSending logo as: group graphics"));
		gsmnet=NULL;
		}
	else {
		error(_("\nSending logo as: operator logo for \"%s\""),gsmnet);
		bin[4]=0x82; /* dest port 0x1582 */
		}
	
	sizex=WORD(r); sizey=WORD(r+2);
	if (verbose>=2) error(_(".Magic words: @+4=%d, @+6=%d, @+8=%d"),
			WORD(r+4),WORD(r+6),WORD(r+8));
	r+=10;
	if (sizex<1 || sizex>255
	 || sizey<1 || sizey>255) error(_("!Invalid size: %dx%d"),sizex,sizey);
	chars=((bits=sizex*sizey)+7)/8;
	if (r+bits>got) error(_("!Logo file \"%s\" too short - actual=%d, need(%dx%d)=%d"),
		logoname,got,sizex,sizey,r+chars);
	else if (r+bits<got)
		if (verbose>=1) error(_("Ignoring trailing garbage in \"%s\", used only %d bytes"),logoname,r+bits);
	if ((got=(7+(gsmnet?3:0)+4+chars))>140)
		error(_("!SMS size would be %d bytes but 140 is maximum"),got);
	w=7;
	if (gsmnet) {
		bin[w++]=((gsmnet[1]&0x0F)<<4)|(gsmnet[0]&0x0F);
		bin[w++]=0xF0                 |(gsmnet[2]&0x0F);
		bin[w++]=((gsmnet[4]&0x0F)<<4)|(gsmnet[3]&0x0F);
		}
	bin[w++]=0x00; /* RFU by Nokia */
	bin[w++]=sizex; bin[w++]=sizey;
	bin[w++]=0x01; /* one B/W plane */
	while (chars--) {
		bin[w]=0;
		for (bit=0x80;(bits>0) && (bit>0);bits--,bit>>=1) {
			if (buf[r]!='0' && buf[r]!='1')
				error(_("!Invalid character (neither '0' nor '1') in logo file \"%s\" at offset 0x%X"),
					logoname,r);
			if (buf[r++]=='1') bin[w]|=bit;
			}
		w++;
		}
	assert(chars==-1); assert(bits==0); assert(w==got);
	nokiaprep(bin,w);
#undef WORD
}

static inline void ringread(void)
{
FILE *f;
unsigned char bin1[140]={
	6, /* UDH length */
	0x05, /* IEI */
	0x04, /* IEDL */
	0x15, 0x81, /* dest port (ring tones) */
	0x15, 0x81  /* src port (unused) */
#define BIN1_PAYLOAD (140-7)
	};
unsigned char binn[140]={
	11, /* UDH length */
	0x05, /* IEI */
	0x04, /* IEDL */
	0x15, 0x81, /* dest port (ring tones) */
	0x15, 0x81, /* src port (unused) */
	0x00, 0x03, /* multipart */
	/* 0x??, unique serial ID */
	/* 0x??, total messages */
	/* 0x??, message number (# from 1) */
#define BINN_PAYLOAD (140-12)
	};
size_t got,want;
int totn,fragn;
long size;

#define WORD(n) (((unsigned char)buf[(n)])|(((unsigned char)buf[(n)+1])<<8))

	if (!(f=fopen(ringname,"rb")))
		error(_("^!Cannot open ring file \"%s\" for r/o"),ringname);
	if ((size=getfilesize(f,ringname))==-1)
		error(_("!File size determination is essential to continue operation"));
	if (size<0x103)
		error(_("!File \"%s\" size %ld too small (must >=0x103)! Is it .000 file?"),
			ringname,size);
	if (fseek(f,0x100,SEEK_SET))
		error(_("^Seeking error on \"%s\", ignoring"),ringname);
	size-=0x100;
	if (size<=BIN1_PAYLOAD) {
		if ((got=fread(bin1+7,1,size,f))!=size)
			error(_("^Read error on \"%s\", wanted %ld, got %d"),ringname,size,got);
		error(_("\nSending ring tone \"%s\" as single SMS (size %ld, max %d)"),
			ringname,size,BIN1_PAYLOAD);
		nokiaprep(bin1,7+size);
		}
	else {
		totn=(size+BINN_PAYLOAD-1)/BINN_PAYLOAD;
		if (totn>0xFF)
			error(_("!File size %ld too large even for multi-SMS ring upload (max=%d)"),
				size,BINN_PAYLOAD*0xFF);
		binn[10]=totn;
		if (verbose>=1)
			error(_("\nSending ring tone \"%s\" as %d multi-SMSes (size %ld, max %d, frag %d)"),
				ringname,totn,size,BIN1_PAYLOAD,BINN_PAYLOAD);
		binn[9]=time(NULL)&0x100; /* rand() would be better but it is a compatibility pain */
		if (verbose>=1)
			error(_("\nUsing unique multi-SMS ID 0x%02X"),(unsigned)binn[9]);
		for (fragn=1;fragn<=totn;fragn++) {
			binn[11]=fragn;
			want=MIN(size,BINN_PAYLOAD);
			if ((got=fread(binn+12,1,want,f))!=want)
				error(_("^Read error on \"%s\", wanted %d, got %d"),ringname,want,got);
			nokiaprep(binn,12+want);
			size-=want;
			}
		}
	chkfclose(f,ringname);
#undef WORD
}

#define PICTURE_WIDTH  (72)
#define PICTURE_HEIGHT (28)

static inline void pictureread(void)
{
FILE *f;
unsigned char bin1[140]={
	6, /* UDH length */
	0x05, /* IEI */
	0x04, /* IEDL */
	0x15, 0x8A, /* dest port (ring tones) */
	0x15, 0x8A  /* src port (unused) */
#define BIN1_PAYLOAD (140-7)
	};
unsigned char binn[140]={
	11, /* UDH length */
	0x05, /* IEI */
	0x04, /* IEDL */
	0x15, 0x8A, /* dest port (ring tones) */
	0x15, 0x8A, /* src port (unused) */
	0x00, 0x03, /* multipart */
	/* 0x??, unique serial ID */
	/* 0x??, total messages */
	/* 0x??, message number (# from 1) */
#define BINN_PAYLOAD (140-12)
	};
unsigned char header[]={
	0x30,	/* version string '0' */
	0x02,	/* item=OTA bitmap */
#define PICTURE_BYTES ((PICTURE_WIDTH*PICTURE_HEIGHT+7)/8)
#define PICTURE_BYTES_INCL_HEADER (PICTURE_BYTES +4/*header*/)
	PICTURE_BYTES_INCL_HEADER>>8,PICTURE_BYTES_INCL_HEADER&0xFF,	/* picture size in bytes incl. header */
	0x00, /* animation pictures - 0=static picture */
	PICTURE_WIDTH,PICTURE_HEIGHT,	/* picture size in pixels */
	0x01,	/* picture depth - B/W */
	};
size_t got,want;
int totn,fragn;
long size;

#define WORD(n) (((unsigned char)buf[(n)])|(((unsigned char)buf[(n)+1])<<8))

	if (!(f=fopen(picturename,"rb")))
		error(_("^!Cannot open picture file \"%s\" for r/o"),picturename);
	if ((size=getfilesize(f,picturename))==-1)
		error(_("!File size determination is essential to continue operation"));
	if (size!=PICTURE_BYTES)
		error(_("!File \"%s\" size %ld doesn't match .res size for %dx%d picture"),
			picturename,size,PICTURE_WIDTH,PICTURE_HEIGHT);
	if (size<=BIN1_PAYLOAD-sizeof(header)) {
		memcpy(bin1+7,header,sizeof(header));
		if ((got=fread(bin1+7+sizeof(header),1,size,f))!=size)
			error(_("^Read error on \"%s\", wanted %ld, got %d"),picturename,size,got);
		error(_("\nSending picture \"%s\" as single SMS (size %ld, max %d)"),
			picturename,size,BIN1_PAYLOAD-sizeof(header));
		nokiaprep(bin1,7+sizeof(header)+size);
		}
	else {
		memcpy(binn+12,header,sizeof(header));
		totn=(sizeof(header)+size+BINN_PAYLOAD-1)/BINN_PAYLOAD;
		if (totn>0xFF)
			error(_("!File size %ld too large even for multi-SMS picture upload (max=%d)"),
				size,BINN_PAYLOAD*0xFF-sizeof(header));
		binn[10]=totn;
		if (verbose>=1)
			error(_("\nSending picture \"%s\" as %d multi-SMSes (size %ld, max %d, frag %d, header %d)"),
				picturename,totn,size,BIN1_PAYLOAD,BINN_PAYLOAD,sizeof(header));
		binn[9]=time(NULL)&0x100; /* rand() would be better but it is a compatibility pain */
		if (verbose>=1)
			error(_("\nUsing unique multi-SMS ID 0x%02X"),(unsigned)binn[9]);
		for (fragn=1;fragn<=totn;fragn++) {
size_t isheader=(fragn==1 ? sizeof(header) : 0);

			binn[11]=fragn;
			want=MIN(size,BINN_PAYLOAD-isheader);
			if ((got=fread(binn+12+isheader,1,want,f))!=want)
				error(_("^Read error on \"%s\", wanted %d, got %d"),picturename,want,got);
			nokiaprep(binn,12+isheader+want);
			size-=want;
			}
		}
	chkfclose(f,picturename);
#undef WORD
}

static inline void genpdu(void)
{
static unsigned char pdu[64+MAXNUMLEN/2+(MAXBODYLEN*7)/8];
unsigned char *d=pdu;
int i;
char inb=0,outb=0,xb,*bodyr;
unsigned char inreg=0 /* GCC happiness */;
size_t offs=0;

	*d++=PDU_TYPE;
	*d++=PDU_MR;
	i=prepaddr(d,phone);
	*d=i; d+=1+1+(i+1)/2;
	*d++=PDU_PID;
	*d++=PDU_DCS;
	*d++=PDU_VP;
	if (bodylen>MAXBODYLEN) {
		error(_("Body too large (%d>%d), cut"),bodylen,MAXBODYLEN);
		body[(bodylen=MAXBODYLEN)]='\0';
		}
	bodyr=body;
	*d=bodylen;
	assert(d<pdu+sizeof(pdu));
	while (bodylen || inb) {
		if (!inb) {
			assert(bodylen>0); assert(!!*body);
			inreg=charconv_send(*bodyr++,offs++);
			bodylen--;
			inb=7;
			}
		if (!outb) {
			*++d=0x00;
			outb=8;
			}
		xb=MIN(inb,outb);
#if 0
		d4("inb=%d,outb=%d,xb=%d\n",inb,outb,xb);
#endif
		*d|=((inreg>>(unsigned)(7-inb))&((1<<xb)-1))<<(unsigned)(8-outb);
		inb-=xb; outb-=xb;
		}
	d++;
	assert(d<pdu+sizeof(pdu));
	pdudata=malloc(2*(d-pdu)+1);
	textconv(pdudata,pdu,d-pdu);
}

static inline void preparebody(void)
{
FILE *fin=NULL /* GCC happiness */;
char *finame;

	if (body && readbody) {
		finame=body;
		body=NULL;
		}
	else {
		finame=NULL;
		fin=stdin;
		}
	if (body) return;
	readbody=0;
	if (!finame) {
		if (verbose>=1)
			error(_("\nPlease enter the SMS text body, end with EOF (ctrl-D):"));
		}
	else {
		if (!(fin=fopen(finame,"rt")))
			error(_("^!Can't open data file \"%s\" for r/o"),finame);
		}
	chk(body=malloc(BODYLOAD));
	bodylen=fread(body,1,BODYLOAD,fin);
	if (bodylen==-1)
		error(_("^!Error reading stream \"%s\""),(finame?finame:_("<stdin>")));
	if (finame) {
		chkfclose(fin,finame);
		free(finame);
		}
}

static int datawait(int timeout)
{
int i;
#ifdef HAVE_POLL
struct pollfd ufd;
#else /* HAVE_POLL */
fd_set rfds,xfds;
#endif /* HAVE_POLL */

	assert(devfd>=0);
retry:
	if (timeout && verbose>=2)
		error(_(".Waiting for device incoming data.."));
#ifdef HAVE_POLL
	ufd.fd=devfd;
	ufd.events=POLLIN;
	ufd.revents=0;
	errno=0;
	i=poll(&ufd,1,timeout*1000);
#else /* HAVE_POLL */
#ifdef HAVE_FD_SETSIZE
	if (devfd>=FD_SETSIZE)
		error(_("!Device file descriptor %d can't fit in select() FD_SETSIZE (%d)"),
			devfd,FD_SETSIZE);
#endif /* HAVE_FD_SETSIZE */
	FD_ZERO(&rfds); FD_SET(devfd,&rfds);
	FD_ZERO(&xfds); FD_SET(devfd,&xfds);
	errno=0;
	i=select(devfd+1,&rfds,NULL,&xfds,NULL);
#endif /* HAVE_POLL */
	if (i==0) return(0);
	if (i==-1 && errno==EINTR)
		goto retry; /* silent retry, for example SIGCHLD could occur */
	if (i!=1)
		error(_("^Failed (retval %d) while waiting for data, ignoring"),i);

#ifdef HAVE_POLL
	if (ufd.revents&(POLLERR|POLLHUP))
#else /* HAVE_POLL */
	if (FD_ISSET(devfd,&xfds))
#endif /* HAVE_POLL */
		error(_("^Error while waiting for data, ignoring"));

#ifdef HAVE_POLL
	if (!(ufd.revents&POLLIN))
#else /* HAVE_POLL */
	if (!(FD_ISSET(devfd,&rfds)))
#endif /* HAVE_POLL */
		{
		error(_("^No data input after waited for data, retrying"));
		goto retry;
		}
	return(1);
}

static char *check_format(const char *fmt,const char *string)
{
static char err[LINE_MAX],sub[50];
char cf,cs;
const char *sf,*ss,*subp;

	for (sf=fmt,ss=string;(cf=*sf) && (cs=*ss);sf++,ss++) {
		subp=NULL;
		switch (cf) {
			case '?':
				break;
			case '9':
				if (isdigit(cs)) break;
				subp=_("digit");
				break;
			case '+':
				if (cs=='+' || cs=='-') break;
				subp=_("+/- sign");
				break;
			default:
				if (cf==cs) break;
				VARPRINTF(sub,"'%c'",cf); subp=sub;
			}
		if (!subp) continue;
		VARPRINTF5(err,_("Expected %s, found '%c' at pos %d of string [%s], formatstring [%s]"),
			subp,cs,ss-string,string,fmt);
		return(err);
		}
	if (*sf) {
		VARPRINTF2(err,_("String too short for format, string [%s], formatstring [%s]"),
			string,fmt);
		return(err);
		}
	if (*ss) {
		VARPRINTF2(err,_("Trailing garbage in string [%s], formatstring [%s]"),
			string,fmt);
		return(err);
		}
	return(NULL);
}

static char *receive_number,*receive_smsc;
static time_t receive_time;

struct tm tm;
static const struct {
	off_t strpos;
	off_t tmpos;
	int min,max;
	const char *name;
	} timeparse[]={
#define TP_ENT(a,b,c,d,e) { a,offsetof(struct tm,b),c,d,e }
		TP_ENT( 3,tm_year,0,99,N_("year")),
		TP_ENT( 6,tm_mon ,1,12,N_("month")),
		TP_ENT( 9,tm_mday,1,31,N_("day of month")),
		TP_ENT(12,tm_hour,0,23,N_("hour")),
		TP_ENT(15,tm_min ,0,59,N_("minute")),
		TP_ENT(18,tm_sec ,0,59,N_("second")),
		/* Time zone ignored */
		};
#define GETTIME(i) (*(int *)(((char *)&tm)+timeparse[(i)].tmpos))

static void maketime(const char *string)
{
int val;
int i;

	for (i=0;i<NELEM(timeparse);i++) {
		val=GETTIME(i);
		if (val<timeparse[i].min || val>timeparse[i].max) {
			error(_("Weird value of %s, is %d but expected %d..%d, setting to %d"),
				_(timeparse[i].name),val,timeparse[i].min,timeparse[i].max,timeparse[i].min);
			GETTIME(i)=timeparse[i].min;
			}
		}
	if (tm.tm_year<70) tm.tm_year+=100;
	tm.tm_mon--;
	d7("mktime(y%dm%dd%dh%dm%ds%d)\n",
		tm.tm_year,tm.tm_mon,tm.tm_mday,tm.tm_hour,tm.tm_min,tm.tm_sec);
	tm.tm_isdst=-1; /* "timezone" info not available */
	if ((receive_time=mktime(&tm))==-1)
		error(_("^mktime(3) failed for %s"),string);
}

/* +CMT: "+420602431329",,"99/10/25,03:21:03-00" */
static int receive_headerparse(char *buf)
{
char *s,*s1,*err;
int i;

#define DIGIT2ASC(s) (((s)[0]-'0')*10+((s)[1]-'0'))

	for (s=buf;*s==' ';s++);
	if (*s++!='"') {
		error(_("Cannot find initial '\"' in CMT header: %s"),buf);
		return(0);
		}
	for (s1=s;*s && *s!='"';s++);
	if (!*s) {
		error(_("Only one '\"' found in CMT header: %s"),buf);
		return(0);
		}
	free(receive_smsc); receive_smsc=NULL;
	free(receive_number);
	chk(receive_number=malloc(s-s1+1));
	memcpy(receive_number,s1,s-s1); receive_number[s-s1]='\0';
	s++;
	if ((err=check_phone(receive_number)) ||
	    (err=check_format(",,\"99/99/99,99:99:99+99\"",s))) {
		error(_("%s in CMT header: %s"),err,buf);
		return(0);
		}
	memset(&tm,0,sizeof(tm)); /* may be redundant */
	for (i=0;i<NELEM(timeparse);i++)
		GETTIME(i)=DIGIT2ASC(s+timeparse[i].strpos);
	maketime(s+2);
	return(1);
#undef DIGIT2ASC
}

static void signal_chld(int signo)
{
int status;
pid_t pid;

	signal(SIGCHLD,(RETSIGTYPE (*)(int))signal_chld);
	/* we don't care about siginterrupt(3) as it doesn't matter how it is set */

	d2("signal_chld: signo=%d\n",signo);
	while (0<(pid=waitpid(-1 /* ANY process */,&status,WNOHANG /* options */))) {
		if (verbose>=2)
			error(_(".Child process w/PID %d has exited, %s, status=%d"),
					pid,(WIFEXITED(status)? _("normally") : _("abnormally")),(WIFEXITED(status) ? WEXITSTATUS(status) : -1));
		}
}

static void receive_text(char *bodyline)
{
char *buf,*s,*s1,*s2,*s3;
pid_t pid;
char tbuf[32];
int i;
FILE *f;

	d2("receive_text: %s\n",bodyline);
	signal(SIGCHLD,(RETSIGTYPE (*)(int))signal_chld);
#if RECEIVE_TEST
	pid=0;
#else
	pid=fork();
#endif
	if (pid>0) {
		if (verbose>=2)
			error(_(".Spawned child receive-SMS process w/PID %d"),pid);
		return; /* parent context */
		}
	if (pid==-1) {
		error(_("Can't fork(2), process spawning may block receive"));
		}
	else { /* child process */
		dis_cleanup=1;
		}
	for (s=body;*s;) {
		s1=s;
		do {
			s1=strchr(s1+(s1!=s),'%');
			} while (s1 && s1[1]!='p' && s1[1]!='T' && s1[1]!='t' && s1[1]!='s');
		if (!s1) {
			pushargstack_one(s,0);
			break;
			}
		*s1='\0';
		pushargstack_one(s,0);
		*s1++='%';
		s=s1;
		switch (*s++) {
			case 'p':
				pushargstack_one(receive_number,0);
				break;
			case 'T':
				VARPRINTF(tbuf,"%ld",receive_time);
				pushargstack_one(tbuf,0);
				break;
			case 't':
				if (receive_time==-1) break;
				if (!(s2=ctime(&receive_time))) {
					error(_("Failing ctime(3), ignoring substitution"));
					break;
					}
				if ((s3=strchr(s2,'\n'))) *s3='\0';
				pushargstack_one(s2,0);
				break;
			case 's':
				if (receive_smsc) pushargstack_one(receive_smsc,0);
				break;
			default: assert(0);
			}
		}
	buf=glueargstack(NULL,NULL); assert(buf);
	if (!(f=popen(buf,"w"))) {
		error(_("^Failing spawn of receive command: %s"),buf);
		goto err;
		}
	if (fputs(bodyline,f)<0 || putc('\n',f)!='\n')
		error(_("^Failing write to child receive command: %s"),buf);
	if ((i=pclose(f)))
		error(_("^Spawned receive command failure (code %d): %s"),i,buf);
err:
	free(buf);
	if (pid==-1) return;
	exit(EXIT_SUCCESS); /* cleanup() has been disabled */
}

static inline unsigned char fromhex(unsigned c)
{
	c&=0xDF;
	return(c<'A'?c-('0'&0xDF):(c-('A'&0xDF))+0xA);
}

static int teldecode(char *text,unsigned char *bin,size_t digits)
{
unsigned char b;
int r=0,i;

	for (i=0;i<digits;text++,i++) {
		if (!(i&1)) b=*bin;
		else b=(*bin++)>>4;
		b&=0x0F;
		if (b<=0x09)
			*text=b+'0';
		else {
			*text='?';
			r++;
			}
		}
	*text='\0';
	return(r);
}

static void sctsparse(unsigned char *bin,const char *pduline,int offs)
{
#define DIGIT2BIN(v) (((v)&0x0F)*10+(((v)>>4)&0x0F))
int i;

	receive_time=-1;
	memset(&tm,0,sizeof(tm)); /* may be redundant */
	for (i=0;i<NELEM(timeparse);offs++,i++) {
		if ((*bin&0x0F)>0x09 || (*bin&0xF0)>0x90) {
			error(_("Invalid value of \"%s\" at offset %d in: %s"),
				timeparse[i].name,offs,pduline);
			return;
			}
		GETTIME(i)=DIGIT2BIN(*bin);
		bin++;
		}
	maketime(pduline);

#undef DIGIT2BIN
}

static void receive_pdu(char *pduline)
{
unsigned char pdu[140+0x100],*pdup,*pdue,oalen,inreg;
char text[160+1],*textp,*s,*pdulinescan;
size_t pdulinel=strlen(pduline),want;
size_t udl,udlb;
int inb,outb,xb;

	d2("receive_pdu: %s\n",pduline);
	if (pdulinel>2*sizeof(pdu))
		{ error(_("PDU too long (%d/2) to be valid: %s"),pdulinel,pduline); return; }
	if (pdulinel&1)
		{ error(_("PDU length odd (%d): %s"),pdulinel,pduline); return; }
	if (pdulinel<2*13)
		{ error(_("PDU length %d too small (min. 2*%d): %s"),pdulinel,13,pduline); return; }
	for (pdup=pdu,pdulinescan=pduline;*pdulinescan;pdulinescan+=2) {
		if (!isxdigit(pdulinescan[0]) || !(isxdigit(pdulinescan[1])))
		{ error(_("Invalid hex byte: %c%c on byte %d in: %s"),
			pdulinescan[0],pdulinescan[1],pdup-pdu,pduline); return; }
		*pdup++=(fromhex(pdulinescan[0])<<4)|fromhex(pdulinescan[1]);
		}
	pdue=pdup;
	free(receive_smsc);
	if (*pdu<=1) {
		receive_smsc=NULL;
		}
	else {
		if (*pdu>10)
			{ error(_("SMSC length too large (%d, max. %d): %s"),*pdu,10,pduline); return; }
		chk(receive_smsc=malloc(1+2*(*pdu)+1));
		s=receive_smsc;
		if (pdu[1]==ADDR_INT) *s++='+';
		else {
			if (pdu[1]!=ADDR_NAT)
				error(_("Unknown address type 0x%02X of %s, ignoring in PDU: %s"),pdu[1],_("SMSC"),pduline); return;
			}
		if (teldecode(s,pdu+2,2*(*pdu-1)-((pdu[1+(*pdu)]&0xF0)==0xF0)))
			error(_("Some digits unrecognized in %s \"%s\", ignoring in PDU: %s"),_("SMSC"),receive_smsc,pduline);
		}
	pdup=pdu+1+(*pdu);
	if (*pdup&0x03) /* PDU type */
		error(_("Unrecognized PDU type 0x%02X at offset %d, dropping: %s"),*pdup,pdup-pdu,pduline);
	pdup++;
	free(receive_number);
	if ((oalen=*pdup++)>2*0x10) /* OA len */
		{ error(_("Originating number too large (0x%X, max. 2*0x%X): %s"),oalen,0x10,pduline); return; }
	if (pdup+(want=1+(oalen+1)/2+10)>pdue)
		{ error(_("PDU length too short (want %d, is %d): %s"),(pdup-pdu)+want,pdue-pdu,pduline); return; }
	chk(receive_number=malloc(1+2*(*pdup)+1));
	s=receive_number;
	if (*pdup==ADDR_INT) *s++='+';
	else {
		if (*pdup!=ADDR_NAT)
			error(_("Unknown address type 0x%02X of %s, ignoring in PDU: %s"),*pdup,_("originating number"),pduline); return;
		}
	pdup++;
	if (teldecode(s,pdup,oalen))
		error(_("Some digits unrecognized in %s \"%s\", ignoring in PDU at offset %d: %s"),
			_("originating number"),receive_number,pdup-pdu,pduline);
	pdup+=(oalen+1)/2;
	if (*pdup) /* PID */
		error(_("PID number %02X unsupported, ignoring: %s"),*pdup,pduline);
	pdup++;
	if (*pdup) { /* DCS */
		if ((*pdup&0xF4)==0xF4)
			{ error(_("DCS 0x%02X indicates 8-bit data, unsupported, dropping: %s"),*pdup,pduline); return; }
		error(_("DCS 0x%02X unsupported, will attempt decoding: %s"),*pdup,pduline);
		}
	pdup++;
	sctsparse(pdup,pduline,pdup-pdu);
	pdup+=7;
	/* UDL */
	udl=*pdup++;
	if (pdue-pdup>140) {
		error(_("PDU data (%d) exceed maximum length of %d bytes, cut: %s"),
			pdue-pdup,140,pduline);
		pdue=pdup+140;
		}
	udlb=(udl*7+7)/8;
	if (pdup+udlb>pdue) {
size_t udl1,udlb1;

		udlb1=pdue-pdup;
		udl1=(udlb1*8)/7;
		error(_("PDU data length (%d/7->%d/8) longer than data (%d), cut to %d/7->%d/8: %s"),
			udl,udlb,pdue-pdup,udl1,udlb1,pduline);
		udl=udl1; udlb=udlb1;
		}
	else
		assert(pdup+udlb==pdue); /* should be checked by 'PDU length too short' above */
	textp=text;
	inb=outb=0;
	inreg=0; /* GCC happiness */
	while (udl) {
		if (!inb) {
			inreg=*pdup++;
			inb=8;
			}
		if (!outb) {
			assert(textp<text+160);
			*textp=0x00;
			outb=7;
			}
		xb=MIN(inb,outb);
#if 0
		d4("inb=%d,outb=%d,xb=%d\n",inb,outb,xb);
#endif
		*textp|=((inreg>>(unsigned)(8-inb))&((1<<xb)-1))<<(unsigned)(7-outb);
		inb-=xb; outb-=xb;
		if (!outb) {
			*textp=charconv_recv(*textp,textp-text);
			textp++;
			udl--;
			}
		}
	*textp=0;
	receive_text(text);
}

static struct {
	char **sp;
	long *ip;
	const char *const msg;
	} numarg[]={
		{ &maxretry,&maxretryn,"maxretry" },
		{ &readtime,&readtimen,"readtime" },
		{ &chartime,&chartimen,"chartime" },
		{ &cmdtime ,&cmdtimen ,"cmdtime"  },
		{ &waittime,&waittimen,"waittime" },
		{ &baud    ,&baudn    ,"baud"     },
	};

int main(int argc,char **argv)
{
char *s;
int i,cmgf=-1 /* GCC happiness */;
unsigned fatal=0;
speed_t portbaud=0 /* GCC happiness */;
enum modenum argsmode;
unsigned parts=0;

	if ((s=strrchr((pname=*argv),'/'))) pname=s+1;

#ifdef ENABLE_NLS
	/* Initialize the i18n stuff */
	bindtextdomain(PACKAGE,LOCALEDIR);
	if (!setlocale(LC_ALL,""))
		error("Locale not supported by C library");
	textdomain(PACKAGE);
#endif

#ifdef HAVE_ATEXIT
	atexit(cleanup);
#else
	error(_("atexit(3) not available at compilation time, device cleanup may be missed"));
#endif
	signal(SIGTERM,(RETSIGTYPE (*)(int))cleanup);
	signal(SIGQUIT,(RETSIGTYPE (*)(int))cleanup);
	signal(SIGINT ,(RETSIGTYPE (*)(int))cleanup);
	signal(SIGHUP ,(RETSIGTYPE (*)(int))cleanup);
	assert(mode==MODE_UNKNOWN);
	for (i=0;i<NELEM(longopts);i++) {
		if (longopts[i].val<MODE_FIRST) break;
		if (!strstr(pname,longopts[i].name)) continue;
		if (mode==MODE_UNKNOWN || mode==longopts[i].val) {
			mode=longopts[i].val;
			continue;
			}
		mode=MODE_UNKNOWN;
		break;
		}
	argsmode=mode;
	processargs(argc,argv,_("<command-line>"));
	if ((s=getenv("HOME"))) {
size_t l=strlen(s);
char *buf=malloc(l+50);

		memcpy(buf,s,l);
		strcpy(buf+l,CONFIG_HOME);
		readfile(buf,1);
		free(buf);
		}
	readfile(CONFIG_MAIN,1);
	if (verbose>=1) {
		if (argsmode)
			error(_(".Detected mode \"%s\" from my program name \"%s\""),MODE_NAME(argsmode),pname);
		else
			error(_(".Automatic mode detection unsuccessul for my progam name \"%s\""),pname);
		}

	if (!mode)
		error(_("!Operation mode unset, use --send or similiar command, see help (-h)"));
	error(_(".Running program in mode \"%s\""),MODE_NAME(mode));
	switch (mode) {

		case MODE_SEND:           /* FALLTHRU */
		case MODE_SEND_MOBILDOCK: cmdline_send        (); break;
		case MODE_LOGO_SEND:      cmdline_logo_send   (); break;
		case MODE_RING_SEND:      cmdline_ring_send   (); break;
		case MODE_PICTURE_SEND:   cmdline_picture_send(); break;
		case MODE_RECEIVE:        cmdline_receive     (); break;
		default: assert(0);
		}
	cmdline_done();
	for (i=0;i<NELEM(nullcheck);i++) {
const struct nullcheck *n=nullcheck+i;

		if (*n->var) continue;
		if (n->reqd && !(MODE_BIT(mode)&n->reqd)) continue;
		error(_("Missing parameter \"%s\""),_(n->name));
		fatal++;
		}
	if (fatal) error(_("!Previous %s considered unrecoverable"),(fatal==1?_("error"):_("errors")));
	emptyclean();
	if (!logname) logname=DEF_LOGNAME;
	if (!lockfile) lockfile=DEF_LOCKFILE;
	if (!device) device=DEF_DEVICE;

	for (i=0;i<NELEM(numarg);i++) {
char *serr;
		if (!*numarg[i].sp) continue;
		*numarg[i].ip=strtol(*numarg[i].sp,&serr,0);
		if (*numarg[i].ip<0 || *numarg[i].ip>=LONG_MAX || !serr || *serr)
			error(_("!Number parse error for parameter \"%s\" of \"%s\" at: %s"),
				numarg[i].msg,*numarg[i].sp,serr);
		}
	if (readtimen==-1)
		readtimen=(mode==MODE_SEND_MOBILDOCK?DEF_READTIME_MOBILDOCK:DEF_READTIME);
	if (mode==MODE_SEND_MOBILDOCK) mode=MODE_SEND;

	if (!strchr(device,'/')) {
size_t l=strlen(device);
		chk(s=malloc(5+l+1));
		strcpy(s,"/dev/");
		strcpy(s+5,device);
		free(device);
		device=s;
		}
	devicename=strrchr(device,'/')+1; assert(!!(devicename-1));
	for (i=0,s=lockfile;*s;s++) {
		if (*s!='%') continue;
		s++;
		if (*s=='%') continue;
		if (*s=='s') {
			if (i) error(_("!Only one \"%%s\" permitted in lockfile format-string"));
			i=1; continue;
			}
		error(_("!Invalid format-character '%c' in lockfile format-string, only \"%%s\" allowed"),*s);
		}
	
	if (*logname) {
		if (!(logf=fopen(logname,"a")))
			error(_("^!Error opening log \"%s\" for append"),logname);
		logmsg(_("Starting up: %s"),PACKAGE " " VERSION);
		}

	switch (mode) {
		case MODE_SEND:
			preparebody();
			genpdu();
			readbody=0;
			break;
		case MODE_LOGO_SEND:
			logoread();
			break;
		case MODE_RING_SEND:
			ringread();
			break;
		case MODE_PICTURE_SEND:
			pictureread();
			break;
		case MODE_RECEIVE: break;
		default: assert(0);
		}
	if (readbody)
		error(_("Warning: -f / --file is forbidden with mode \"%s\""),MODE_NAME(mode));
	if (smsmode) {
		     if (!strcmp(smsmode,"pdu" ) || !strcmp(smsmode,"0"))
			force_smsmode=FSM_PDU ;
		else if (!strcmp(smsmode,"text") || !strcmp(smsmode,"1"))
			force_smsmode=FSM_TEXT;
		else
			error(_("!Unrecognized %s argument \"%s\", supported only: %s"),"-M/--smsmode",smsmode,"pdu/0/text/1");
		}
	if (pdusmscmode) {
		     if (!strcmp(pdusmscmode,"count-in"))
			force_pdusmscmode=FPSM_COUNT_IN;
		else if (!strcmp(pdusmscmode,"count-out"))
			force_pdusmscmode=FPSM_COUNT_OUT;
		else if (!strcmp(pdusmscmode,"none"))
			force_pdusmscmode=FPSM_NONE;
		else
			error(_("!Unrecognized %s argument \"%s\", supported only: %s"),"-P/--pdusmscmode",pdusmscmode,"count-in/count-out/none");
		try_pdusmscmode=force_pdusmscmode;
		}

	switch (baudn) {
		case  2400: portbaud= B2400; break;
		case  4800: portbaud= B4800; break;
		case  9600: portbaud= B9600; break;
		case 19200: portbaud=B19200; break;
		case 38400: portbaud=B38400; break;
		case 57600: portbaud=B57600; break;
		default:
			error(_("!Specified baudrate %ld is not supported"),baudn);
		}
	if (verbose>=2) error(_(".Will use baudrate %ld with hexval 0x%X"),baudn,portbaud);
		
	if (lockfile && *lockfile && VARPRINTF(lockreal,lockfile,devicename)>0) {
time_t start,end;
		if (verbose>=1) error(_(".Locking device \"%s\" by \"%s\".."),device,lockreal);
		time(&start);
		lockdevice(0);
		time(&end);
		if ((end-=start)>LOCKREPORT)
			logmsg(_("Device lock succeeded after %ld seconds"),(long)end);
		}

retryopen:

	if (verbose>=1) error(_(".Opening device \"%s\".."),device);
	if ((devfd=open(device,O_RDWR|O_NDELAY))<0)
		error(_("^!Cannot open device \"%s\" for r/w access"),device);
	
retryall:

		if (tcgetattr(devfd,&restios))
			error(_("^Unable to get termios settings"));
		else {
			restios.c_cflag=(restios.c_cflag&~(CBAUD|CBAUDEX))|B0|HUPCL;
			restios_yes=1;
			}
		tios.c_iflag=IGNBRK|IGNPAR|(handshake_rtscts ? 0 : IXON|IXOFF);
		tios.c_oflag=0;
		tios.c_cflag=CS8|CREAD|CLOCAL|HUPCL|portbaud|(handshake_rtscts ? CRTSCTS : 0);
		tios.c_lflag=IEXTEN|NOFLSH;
		memset(tios.c_cc,_POSIX_VDISABLE,sizeof(tios.c_cc));
		tios.c_cc[VTIME]=0;
		tios.c_cc[VMIN ]=1;
				cfsetispeed(&tios,portbaud);
		if (cfsetospeed(&tios,portbaud)|cfsetispeed(&tios,portbaud))
			error(_("^Error setting termios baudrate on device"));
		if (tcflush(devfd,TCIOFLUSH))
			error(_("^Error flushing termios (TCIOFLUSH) on device"));
		if (tcsetattr(devfd,TCSANOW,&tios))
			error(_("^!Unable to set initial termios device settings"));

		setalarm();

		devcmd("",NULL,"\r\nAT\033\032"); /* ESCAPE, CTRL-Z */
		devcmd(NULL,NULL,"\r\nAT");
		smscset();
		if (mode==MODE_SEND || mode==MODE_RECEIVE) {
			cmgf=-1;
			do {
				/* condition is _negative_ here: */
				if (force_smsmode==FSM_TEXT || !devcmd(NULL,NULL,"!\r\nAT+CMGF=0")) {
					if (force_smsmode==FSM_PDU || !devcmd(NULL,NULL,"!\r\nAT+CMGF=1"))
						{ retrying(); continue; }
		/* CMGF=1 */
					if (verbose>=1)
						error(_(".Using AT+CMGF=1 (text mode).."));
					cmgf=1;
					}
				else {
		/* CMGF=0 */
					if (verbose>=1)
						error(_(".Using AT+CMGF=0 (PDU mode).."));
					cmgf=0;
					}
				} while (cmgf==-1);
			}
		switch (mode) {
			case MODE_SEND:
				if (cmgf) {
					devcmd("\n> ",NULL,"\r\nAT+CMGS=\"%s\"",phone);
					s=devcmd(NULL,"\n+CMGS:","!~%s\032",body);
					}
				else {
					devcmd("\n> ",NULL,"\r\nAT+CMGS=%d",(
							(try_pdusmscmode==FPSM_COUNT_IN ? strlen(pdusmsc) : 0)
							+strlen(pdudata))/2);
					s=devcmd(NULL,"\n+CMGS:","!~%s%s\032",
							(try_pdusmscmode!=FPSM_NONE ? pdusmsc : ""),
							pdudata);
					if (!s && force_pdusmscmode==FPSM_AUTO) {
						if (FPSM_MAX==try_pdusmscmode++)
							try_pdusmscmode=FPSM_MIN;
						else
							retrycnt--;
						}
					}
				break;
			case MODE_LOGO_SEND:
			case MODE_RING_SEND:
			case MODE_PICTURE_SEND: {
struct hexdata *hd;

				restore="\r\nAT+CSMP=17,,0,0";
				devcmd(NULL,NULL,"\r\nAT+CSMP=81,,0,245");
				while ((hd=hexdata)) {
					devcmd("\n> ",NULL,"\r\nAT+CMGS=\"%s\"",phone);
					if (!(s=devcmd(NULL,"\n+CMGS:","!~%s\032",hd->data))) break;
					if ((hexdata=hd->next)) pushargstack_one(s,0);
					free(hd);
					parts++;
					}
				} break;
			case MODE_RECEIVE: {
int gotdatawait;

				restore="\r\nAT+CNMI=,0";
				devcmd(NULL,NULL,"\r\nAT+CNMI=,2");
				devcmd(NULL,NULL,"\r\nAT+CSDH=0");
continue_receive:
				unlockdevice(0);
				/* Never bail-out when we got up to this point */
				if (maxretryn!=-1 && verbose>=1)
					error(_(".Initialization successful, infinite retry count set"));
				maxretryn=-1;
#if RECEIVE_TEST
	receive_headerparse(" \"+420602123456\",,\"99/10/25,03:21:03-00\"");
	receive_accept("TESTBODY");
	exit(EXIT_SUCCESS);
#endif
				gotdatawait=datawait(waittimen);
				if (!lockdevice(1)) {
					if (verbose>=1)
						error(_(".Dialout detected, waiting for lock.."));
					if (verbose>=1) error(_(".Closing device \"%s\".."),device);
					if (close(devfd))
						error(_("Error closing device \"%s\""),device);
					lockdevice(0);
					goto retryopen;
					}
				d1("Lock-device succeeded\n");
				do {
					if (!(s=devcmd("\n","+CMT:"," ")))
						goto retryall;
					if (s==&devcmd_empty_return) { /* only newlines found */
						if (gotdatawait==0) /* timeout, rather reinitialize the modem */
							goto retryall;
						goto continue_receive;
						}
					d1("Reading a message for us...\n");
					if (cmgf && !(i=receive_headerparse(s)))
						error(_("Receive-header parsing failed on: %s"),s);
					if (!(s=devcmd("\n","@"," ")))
						goto retryall;
					if (cmgf) {
						if (i) receive_text(s);
						}
					else receive_pdu(s);
					} while (datawait(0));
				goto retryall;
				}

			default: assert(0);
			}
		if (!s) { retrying(); goto retryall; }

	pushargstack_one(s,0); s=NULL;
	if (verbose>=1) while ((s=nextargstack())) {
		while (isspace(*s)) s++;
		error(_("\nMessage successfuly sent with MR (Message Reference): %s"),s);
		}
	devcmd(NULL,NULL,"\r\nAT");

	if (parts)
		logmsg(_("SMS sent (after %d retries), %d part(s)"),retrycnt,parts);
	else
		logmsg(_("SMS sent (after %d retries)"),retrycnt);
	return(EXIT_SUCCESS);
}