3 static char rcsid[] ATTR_UNUSED = "$Id$";
8 * Revision 1.6 1999/07/28 10:46:37 short
9 * Removed strict converting/checking of symbol characters to '?'.
11 * Revision 1.5 1999/07/19 10:02:51 short
12 * Removed '\xXY' chars for compatibility with Digital UNIX vendor "cc".
14 * Revision 1.4 1999/07/14 01:01:11 short
15 * Termios made compatible with Digital UNIX 4.0, cfset[io]speed() missing.
17 * Revision 1.3 1999/06/03 11:46:41 short
18 * Logging (--log) implemented.
20 * Revision 1.2 1999/06/03 10:38:52 short
21 * Implemented remaining communication timeouts and maximum retry count.
23 * Revision 1.1.1.1 1999/05/26 13:06:26 short
24 * First alpha release.
41 #include <sys/types.h>
48 #ifdef HAVE_GETOPT_LONG
55 char *strdup(const char *s);
56 int kill(pid_t pid,int sig);
57 int snprintf(char *str,size_t n,const char *format,...);
58 int vsnprintf(char *str,size_t n,const char *format,va_list ap);
59 void usleep(unsigned long usec);
62 #define NELEM(x) (sizeof((x))/sizeof(*(x)))
69 /* ANSI C does not allow macro with variable arguments */
71 #define dB(a) dbg(fprintf a)
73 #define d1(n1) dB((dO,n1 ))
74 #define d2(n1,n2) dB((dO,n1,n2 ))
75 #define d3(n1,n2,n3) dB((dO,n1,n2,n3 ))
76 #define d4(n1,n2,n3,n4) dB((dO,n1,n2,n3,n4))
78 static const char version[]="This is MobilDock SMS sender (" PACKAGE " " VERSION ")\n";
86 static int dis_cleanup=0,devfd=-1;
88 static char *phone,*body,*device,*logname,*lockfile,*smsc,*maxretry,*readtime,*chartime,*cmdtime;
90 static long maxretryn=DEF_MAXRETRY,readtimen=DEF_READTIME,chartimen=DEF_CHARTIME,cmdtimen=DEF_CMDTIME;
91 static size_t bodylen;
93 static char *devicename; /* path stripped */
94 static char lockreal[512],locked;
96 static struct termios restios,tios;
97 static char restios_yes;
101 #ifndef PRINTF_WORKS_PM
104 const char *fmt,va_list ap)
114 if (gethostname(host,sizeof(host))) strcpy(host,"<ERROR>");
118 if ((s=strchr(ctm,'\n'))) *s='\0';
119 fprintf(logf,"%s %s %s[%d]: ",ctm,host,pname,mypid);
120 vfprintf(logf,fmt,ap);
121 #ifndef PRINTF_WORKS_PM
122 if (outerr) fputs(strerror(errno),logf);
128 static void logmsg(const char *fmt,...)
133 #ifndef PRINTF_WORKS_PM
140 static void error(const char *fmt,...)
144 #ifndef PRINTF_WORKS_PM
149 if (fatal=='!' || fatal=='.' || fatal=='\n') fmt++;
152 #ifndef PRINTF_WORKS_PM
153 if (!(nfmt=strdup(fmt))) return;
155 if ((pm=(fmtl>=2 && !strcmp(fmt+fmtl-2,"%m")))) nfmt[fmtl-2]='\0';
158 fprintf(stderr,"%s: ",pname);
161 #ifdef PRINTF_WORKS_PM
167 if (fatal=='!') vlogmsg(
168 #ifdef PRINTF_WORKS_PM
176 #ifndef PRINTF_WORKS_PM
178 fputs(strerror(errno),stderr);
183 if (fatal!='\n') fputc((fatal=='.'?'.':'!'),stderr);
185 if (fatal=='!') exit(EXIT_FAILURE);
188 static void chk(void *p)
191 error("!Virtual memory exhausted");
194 static void cleanup(void)
197 if (dis_cleanup) return;
199 if (tcsetattr(devfd,TCSANOW,&restios))
200 error("Error restoring termios for device: %m");
203 if (locked && *lockreal) {
204 d2("Removing lockfile \"%s\"\n",lockreal);
205 if (unlink(lockreal))
206 error("Error removing my device lockfile \"%s\": %m",lockreal);
213 static void usage(void)
219 Usage: " PACKAGE " [-c|--config <cfgfile>] [-d|--device <device>]\n\
221 [-l|--lockfile <lock>] [-s|--smsc <smsc #>] [-m|--maxretry <#>]\n\
222 [-r|--readtime <sec>] [-t|--chartime <msec>] [-T|--cmdtime <msec>]\n\
223 [-f|--file] [-v|--verbose] [-h|--help] [-V|--version]\n\
224 <dest. phone> <msg text|msg filename>\n\
226 -c, --config\tRead this additional config file\n\
227 \t\t(def. \"" CONFIG_MAIN "\" and \"$HOME" CONFIG_HOME "\")\n\
228 -d, --device\tMobilDock on this serial device (def. \"" DEF_DEVICE "\")\n\
229 -L, --log\tLog all important messages to this file (def. \"" DEF_LOGNAME "\")\n\
230 -l, --lockfile\tLock serial port by this file, \"%%s\" is basename of device\n\
232 -s, --smsc\tUse this SMS Center number (def. query from Siemens A1)\n\
233 -m, --maxretry\tMaximum retries of any command before giving up (def. %d)\n\
234 -r, --readtime\tSeconds for maximum wait time for response (def. %ds)\n\
235 -t, --chartime\tMilliseconds between each char on baud 19200 (def. %dms)\n\
236 -T, --cmdtime\tMilliseconds before each whole AT command (def. %dms)\n\
237 -f, --file\tRead contents of message from file instead\n\
238 -v, --verbose\tIncrease verbosity level, more \"-v\"s give more messages\n\
239 -h, --help\tPrint a summary of the options\n\
240 -V, --version\tPrint the version number\n\
241 \n",version,DEF_LOCKFILE,DEF_MAXRETRY,DEF_READTIME,DEF_CHARTIME,DEF_CMDTIME);
245 static const struct option longopts[]={
249 {"lockfile",1,0,'l'},
251 {"maxretry",1,0,'m'},
252 {"readtime",1,0,'r'},
253 {"chartime",1,0,'t'},
254 {"cmdtime" ,1,0,'T'},
256 {"verbose" ,0,0,'v'},
258 {"version" ,0,0,'V'}};
260 static void processargs(int argp,char **args,const char *from);
262 static char *cfgstack[MAXCFGLOOP];
263 static unsigned cfgstacki=0;
265 static void chkfclose(FILE *f,const char *fname)
268 error("Error closing \"%s\": %m",fname);
271 static void readfile(const char *fname,char quiet)
275 char *args[MAXCFGARGS],*d,*s,blank,quote;
279 static unsigned tot=0;
281 if (tot++>=MAXCFGNUM) {
282 if (tot==MAXCFGNUM+1) error("Too many config files to read, max is %d, break-out",MAXCFGNUM);
285 if (!(f=fopen(fname,"rt"))) {
286 if (!quiet) error("Can't open config file \"%s\" for r/o: %m",fname);
289 if (verbose>=2) error(".Reading config file \"%s\"",fname);
290 if (fseek(f,0,SEEK_END))
291 error("Error seeking to end of \"s\": %m",fname);
292 if ((size=ftell(f))<0)
293 size=0,error("Error measuring \"%s\": %m",fname);
295 error("File \"%s\" is too long, read only %ld bytes",fname,MAXCONFIG);
296 chk(buf=malloc((size?size:MAXCONFIG)+1));
298 got=fread(buf,1,(size?size:MAXCONFIG),f);
299 if (size && got!=size)
300 error("File \"%s\" read error, got only %u bytes of %ld",fname,got,size);
304 for (argp=1,d=s=buf,blank=1,quote=0;s<buf+got;s++) {
307 if (!quote && isspace(c)) {
311 if (verbose>=2) error("\nConfig \"%s\": arg#%d: %s",fname,argp-1,args[argp-1]);
316 if (argp>=NELEM(args)-1) {
317 error("Too many arguments in \"%s\", from offset %d ignored",fname,s-buf);
324 if (c=='\\') { *d++=*++s; continue; }
325 if (c=='"' || c=='\'') {
326 if (!quote ) { quote=c; continue; }
327 if ( quote==c) { quote=0; continue; }
333 processargs(argp,args,fname);
352 static void processargs(int argp,char **args,const char *from)
355 static unsigned seq=0;
359 optarg=NULL; optind=0; /* FIXME: Possible portability problem. */
360 while ((optc=getopt_long(argp,args,"c:d:L:l:s:m:r:t:T:fvhV",longopts,NULL))!=EOF) switch (optc) {
362 if (cfgstacki>=NELEM(cfgstack)) {
363 error("Looping (%d) during attempt to read config file \"%s\", break-out",NELEM(cfgstack),optind);
366 chk(cfgstack[cfgstacki++]=strdup(optarg));
368 case 'd': case 'L': case 'l': case 's': case 'm': case 'r': case 't': case 'T':
369 for (i=0;i<NELEM(optset);i++)
370 if (optset[i].c==optc) {
371 if (optset[i].stamp && optset[i].stamp!=seq) {
372 assert(!!*optset[i].var);
375 free(*optset[i].var);
376 chk(*optset[i].var=strdup(optarg));
380 assert(i<NELEM(optset));
389 fprintf(stderr,version);
393 error("\nLast getopt(3) error occured during parsing option %d from \"%s\"! Follows help:",optind-1,from);
397 if (!phone && optind<argp)
398 chk(phone=strdup(args[optind++]));
399 if (!body && optind<argp) {
403 for (i=optind,bodylen=argp-optind;i<argp;i++)
404 bodylen+=strlen(args[i]);
405 chk(body=malloc(bodylen));
406 for (d=body,i=optind;i<argp;i++) {
407 size_t l=strlen(args[i]);
411 assert(d<=body+bodylen);
413 assert(d==body+bodylen);
418 char *s=cfgstack[--cfgstacki];
420 assert(cfgstacki>=0);
423 assert(cfgstacki>=0 && cfgstacki<NELEM(cfgstack));
427 static const struct {
431 {&phone,"destination phone number"},
433 {&body ,"body text"},
434 {&device,"device for communication"},
437 static char **emptycheck[]={&logname,&smsc,&body};
439 static void lockclose(int fd)
442 error("Error closing lockfile \"%s\"",lockreal);
445 static inline void lockdevice(void)
455 if (fd!=-1) lockclose(fd);
457 if (delay) sleep(delay);
458 delay=DEVLOCK_PERIOD;
459 if (verbose>=3) error(".Checking the lockfile \"%s\"..",lockreal);
460 if ((fd=open(lockreal,O_RDONLY))==-1) break;
461 if ((got=read(fd,buf,sizeof(buf)-1))<=0) {
463 if (empty>=DEVLOCK_MAXEMPTY) {
464 error(".Lockfile \"%s\" is still not valid, removing it",lockreal);
470 assert(got<sizeof(buf));
472 if (sscanf(buf,"%d",&pid)!=1) goto isempty;
475 if (kill(pid,0) && errno!=ESRCH && errno!=EPERM)
476 error("Error during checking consciousness of PID %d: %m",pid);
477 if (errno!=ESRCH) continue;
478 error(".Lockfile \"%s\" is stale (PID %d), removing it",lockreal,pid);
481 if (unlink(lockreal))
482 error("Error removing foreign lockfile \"%s\": %m",lockreal);
486 if ((fd=open(lockreal,O_WRONLY|O_CREAT|O_EXCL,0644))==-1) {
487 if (errno==EEXIST) goto recheck;
488 error("!Error creating lockfile \"%s\": %m",lockreal);
491 got=VARPRINTF(buf,"%010d\n",getpid()); assert(got==11);
492 if (write(fd,buf,got)!=got)
493 error("!Error writing data to lockfile \"%s\": %m",lockreal);
497 static char wasalarm=0;
498 static void sigalarm(int signo)
500 signal(SIGALRM,(RETSIGTYPE (*)(int))sigalarm);
502 if (verbose>=1) error("Timed out");
505 static void blocking(char yes)
507 static char state=-1;
508 if (state==yes) return;
509 if (fcntl(devfd,F_SETFL,(yes?0:O_NONBLOCK)))
510 error("!fcntl() on device for %sblocking mode: %m",(yes?"":"non-"));
514 static const char *record;
515 static char *catchdata;
516 static size_t catchdatal,catchdatasiz;
518 static void catched(const char *end)
525 if ((p=memchr(record,'\n',end-record))) end=p;
526 if ((len=end-record)) {
527 if (catchdatal+len>catchdatasiz)
528 chk(catchdata=realloc(catchdata,
529 (catchdatasiz=MAX(LINE_MAX,(catchdatal+len)*2))));
530 memcpy(catchdata+catchdatal,record,len);
534 assert(catchdatal<=catchdatasiz);
537 static int retrycnt=0;
538 static void retrying(void)
540 if (++retrycnt>maxretryn) error("!Maximum command retry count (%d) exceeded",maxretryn);
541 if (verbose>=2) error(".Retrying phase, %d out of %d..",retrycnt,maxretryn);
544 static char *devcmd(const char *term,const char *catch,const char *send,...)
546 size_t l,bufl,terml,catchl,fragl,offs;
553 if (!term) term="\nOK\n";
554 if ((errout=(*send=='!'))) send++;
558 if (errout) return(NULL);
563 l=VARVPRINTF(buf,send,ap); bufl=l+1;
565 if (bufl>=sizeof(buf)-1) error("!Command too big (%d>%d)",bufl,sizeof(buf)-1);
566 if (verbose>=2) error(".devcmd(send=\"%s\",term=\"%s\",catch=\"%s\")",buf,term,catch);
567 buf[l]='\r'; buf[l+1]='\n';
568 for (offs=0,got=0;offs<bufl;offs++) {
570 usleep((offs?chartimen:cmdtimen)*1000);
571 if (!offs && tcflush(devfd,TCIOFLUSH))
572 error("Error flushing I/O queue of device: %m");
573 if (write(devfd,buf+offs,1)!=1) break;
576 error("Error forcing output of char %d of cmd \"%s\": %m",offs,buf);
580 error("Wrote only %d of %d bytes of command: %m",got,bufl);
584 if (!(terml=strlen(term))) {
589 catchl=strlen(catch);
590 fragl=MAX(terml,catchl);
593 fragl=MAX(fragl,MAX(strlen(ERROR_SUBSTR1),strlen(ERROR_SUBSTR2)));
601 got=read(devfd,buf+bufl,sizeof(buf)-1-bufl);
602 if (got==-1 && errno==EAGAIN) {
605 got=read(devfd,buf+bufl,1);
608 if (wasalarm) error("!Maximum response timeout (%ds) exceeded",readtimen);
609 error("Couldn't read device data (ret=%d): %m",got);
614 /* FIXME: '\0' conversion */
615 while (buf+bufl>s && (s=memchr(s,'\r',buf+bufl-s))) *s='\n';
616 catched(buf+bufl); assert(!record || record==buf+bufl);
617 assert(bufl<sizeof(buf));
620 assert(strlen(buf)==bufl);
621 /* d3(">%s|%s<\n",buf,term); */
622 if (strstr(buf,ERROR_SUBSTR1) || strstr(buf,ERROR_SUBSTR2)) {
623 error("Found ERROR response on command \"%s\"",send);
626 if (catch && bufl>=catchl && (hit=strstr(buf,catch))) {
628 catched(buf+bufl); assert(!record || record==buf+bufl);
630 if ( bufl>= terml && (hit=strstr(buf,term))) break;
631 memmove(buf,buf+bufl-(fragl-1),fragl-1);
633 if (record) record=buf+bufl;
638 if (!catch) return(NULL);
639 error("Data requested on command \"%s\" but no found after term \"%s\"",send,term);
646 if (verbose>=2) error(".Returning data \"%s\" for cmd \"%s\"",catchdata,send);
650 static int prepaddr(unsigned char *d,const char *addr)
656 if ((plus=(*addr=='+'))) addr++;
657 *++d=(plus?ADDR_INT:ADDR_NAT);
659 if (*addr<'0' || *addr>'9')
660 error("!Error during conversion of number at: %s",addr);
663 if ((flip=!flip)) *++d=0xF0|n;
664 else *d=(*d&0x0F)|(n<<4U);
669 static char *finalsmsc;
670 #define SMSCBINSIZE (1+1+(MAXNUMLEN+1)/2)
671 static char pdusmsc[SMSCBINSIZE*2+1];
673 static inline char tohex(unsigned char x)
676 if (x<10) return(x +'0');
680 static void textconv(char *d,unsigned char *s,size_t len)
690 static inline void smscset(void)
694 unsigned char bin[2+(MAXNUMLEN+1)/2];
696 if (smsc) devcmd(NULL,NULL,"\r\nAT+CSCA=\"%s\"",smsc);
697 s=devcmd(NULL,"\n+CSCA:","\r\nAT+CSCA?");
698 while (isspace(*s)) s++;
699 if (!*s || !strcmp(s,"EMPTY"))
700 error("!No SMS set in A1 found");
701 if (verbose>=1) error("\nFound default SMSC in A1: %s",s);
702 if (*s!='"') error("!No left-quote found in: %s",s);
703 if (!(t=strrchr(s+1,'"'))) error("!No right-quote found in: %s",s);
705 while (isspace(*t)) t++;
706 if (*t++!=',') error("!No comma found after quotes in: %s",s);
707 while (isspace(*t)) t++;
708 l=strtol(t,&serr,10);
709 if ((l!=ADDR_NAT && l!=ADDR_INT) || (serr && *serr))
710 error("!Type parse error in: %s",s);
711 if (l==ADDR_NAT || s[1]=='+') s++;
714 chk(finalsmsc=strdup(s));
715 if (verbose>=2) error("\nDecoded SMSC address: %s",finalsmsc);
716 bin[0]=1+(prepaddr(bin,finalsmsc)+1)/2;
717 textconv(pdusmsc,bin,bin[0]+1);
720 static char *pdudata;
722 static inline unsigned char charconv(char c,size_t offs)
732 if ((c>='A' && c<='Z') || (c>='a' && c<='z') || (c>='0' && c<='9')) return(c);
733 error("Can't convert character '%c' (0x%02X) at offs %d (0-based), substituted '?'",
734 c,(unsigned char)c,offs);
739 static inline void genpdu(void)
741 static unsigned char pdu[64+MAXNUMLEN/2+(MAXBODYLEN*7)/8];
742 unsigned char *d=pdu;
744 char inb=0,outb=0,xb;
751 *d=i; d+=1+1+(i+1)/2;
755 if (bodylen>MAXBODYLEN) {
756 error("Body too large (%d>%d), cut",bodylen,MAXBODYLEN);
760 assert(d<pdu+sizeof(pdu));
761 while (bodylen || inb) {
763 assert(bodylen>0); assert(!!*body);
764 inreg=charconv(*body++,offs++);
773 d4("inb=%d,outb=%d,xb=%d\n",inb,outb,xb);
774 *d|=((inreg>>(unsigned)(7-inb))&((1<<xb)-1))<<(unsigned)(8-outb);
778 assert(d<pdu+sizeof(pdu));
779 pdudata=malloc(2*(d-pdu)+1);
780 textconv(pdudata,pdu,d-pdu);
786 const char *const msg;
788 { &maxretry,&maxretryn,"maxretry" },
789 { &readtime,&readtimen,"readtime" },
790 { &chartime,&chartimen,"chartime" },
791 { &cmdtime ,&cmdtimen ,"cmdtime" },
794 int main(int argc,char **argv)
801 if ((s=strrchr((pname=*argv),'/'))) pname=s+1;
803 signal(SIGTERM,(RETSIGTYPE (*)(int))cleanup);
804 signal(SIGQUIT,(RETSIGTYPE (*)(int))cleanup);
805 signal(SIGINT ,(RETSIGTYPE (*)(int))cleanup);
806 signal(SIGHUP ,(RETSIGTYPE (*)(int))cleanup);
807 processargs(argc,argv,"<command-line>");
808 if ((s=getenv("HOME"))) {
810 char *buf=malloc(l+50);
813 strcpy(buf+l,CONFIG_HOME);
817 readfile(CONFIG_MAIN,1);
819 for (i=0;i<NELEM(nullcheck);i++)
820 if (!*nullcheck[i].var) {
821 error("Missing parameter \"%s\"",nullcheck[i].name);
824 if (fatal) error("!Previous error%s considered unrecoverable",(fatal==1?"":"s"));
825 for (i=0;i<NELEM(emptycheck);i++)
826 if (*emptycheck[i] && !**emptycheck[i]) {
827 free(*emptycheck[i]);
830 if (!logname) logname=DEF_LOGNAME;
831 if (!lockfile) lockfile=DEF_LOCKFILE;
832 if (!device) device=DEF_DEVICE;
833 if (body && readbody) {
841 error("\nPlease enter the SMS text body, end with EOF (ctrl-D):");
842 chk(body=malloc(BODYLOAD));
843 bodylen=fread(body,1,BODYLOAD,fin);
845 error("!Error reading stream \"%s\": %m",(finame?finame:"<stdin>"));
848 chkfclose(fin,finame);
852 for (i=0;i<NELEM(numarg);i++) {
854 if (!*numarg[i].sp) continue;
855 *numarg[i].ip=strtol(*numarg[i].sp,&serr,0);
856 if (*numarg[i].ip<0 || *numarg[i].ip>=LONG_MAX || !serr || *serr)
857 error("!Number parse error for parameter \"%s\" of \"%s\" at: %s",
858 numarg[i].msg,*numarg[i].sp,serr);
861 if (!strchr(device,'/')) {
862 size_t l=strlen(device);
863 chk(s=malloc(5+l+1));
869 devicename=strrchr(device,'/')+1; assert(!!(devicename-1));
870 for (i=0,s=lockfile;*s;s++) {
871 if (*s!='%') continue;
873 if (*s=='%') continue;
875 if (i) error("!Only one \"%%s\" permitted in lockfile format-string");
878 error("!Invalid format-character '%c' in lockfile format-string, only \"%%s\" allowed",*s);
882 if (!(logf=fopen(logname,"a")))
883 error("!Error opening log \"%s\" for append: %m",logname);
884 logmsg("Starting up: " PACKAGE " " VERSION);
888 if (lockfile && *lockfile && VARPRINTF(lockreal,lockfile,devicename)>0) {
890 if (verbose>=1) error(".Locking device \"%s\" by \"%s\"..",device,lockreal);
894 if ((end-=start)>LOCKREPORT)
895 logmsg("Device lock succeeded after %d seconds",end);
897 if (verbose>=1) error(".Opening device \"%s\"..",device);
898 if ((devfd=open(device,O_RDWR|O_NDELAY))<0)
899 error("!Cannot open device \"%s\" for rw-access: %m",device);
901 if (tcgetattr(devfd,&restios))
902 error("Unable to get termios settings: %m");
904 restios.c_cflag=(restios.c_cflag&~(CBAUD|CBAUDEX))|B0|HUPCL;
907 tios.c_iflag=IGNBRK|IGNPAR|IXON|IXOFF;
909 tios.c_cflag=CS8|CREAD|CLOCAL|B19200|HUPCL;
910 tios.c_lflag=IEXTEN|NOFLSH;
911 memset(tios.c_cc,_POSIX_VDISABLE,sizeof(tios.c_cc));
914 cfsetispeed(&tios,B19200);
915 if (cfsetospeed(&tios,B19200)|cfsetispeed(&tios,B19200))
916 error("Error setting termios baudrate on device: %m");
917 if (tcflush(devfd,TCIOFLUSH))
918 error("Error flushing termios (TCIOFLUSH) on device: %m");
919 if (tcsetattr(devfd,TCSANOW,&tios))
920 error("!Unable to set initial termios device settings: %m");
922 signal(SIGALRM,(RETSIGTYPE (*)(int))sigalarm);
924 devcmd("",NULL,"\r\nAT\032");
925 devcmd(NULL,NULL,"\r\nAT");
927 devcmd(NULL,NULL,"\r\nAT+CMGF=0");
928 devcmd("\n> ",NULL,"\r\nAT+CMGS=%d",(strlen(pdusmsc)+strlen(pdudata))/2);
929 if (!(s=devcmd(NULL,"\n+CMGS:","!%s%s\032",pdusmsc,pdudata))) retrying();
931 while (isspace(*s)) s++;
932 if (verbose>=1) error("\nMessage successfuly sent with MR: %s",s);
933 devcmd(NULL,NULL,"\r\nAT");
935 logmsg("SMS sent (after %d retries), message reference: %s",retrycnt,s);
936 return(EXIT_SUCCESS);