3 static char rcsid[] ATTR_UNUSED = "$Id$";
8 * Revision 1.7 1999/07/29 14:39:38 short
9 * '-f' flag is working now.
11 * Revision 1.6 1999/07/28 10:46:37 short
12 * Removed strict converting/checking of symbol characters to '?'.
14 * Revision 1.5 1999/07/19 10:02:51 short
15 * Removed '\xXY' chars for compatibility with Digital UNIX vendor "cc".
17 * Revision 1.4 1999/07/14 01:01:11 short
18 * Termios made compatible with Digital UNIX 4.0, cfset[io]speed() missing.
20 * Revision 1.3 1999/06/03 11:46:41 short
21 * Logging (--log) implemented.
23 * Revision 1.2 1999/06/03 10:38:52 short
24 * Implemented remaining communication timeouts and maximum retry count.
26 * Revision 1.1.1.1 1999/05/26 13:06:26 short
27 * First alpha release.
44 #include <sys/types.h>
51 #ifdef HAVE_GETOPT_LONG
58 char *strdup(const char *s);
59 int kill(pid_t pid,int sig);
60 int snprintf(char *str,size_t n,const char *format,...);
61 int vsnprintf(char *str,size_t n,const char *format,va_list ap);
62 void usleep(unsigned long usec);
65 #define NELEM(x) (sizeof((x))/sizeof(*(x)))
72 /* ANSI C does not allow macro with variable arguments */
74 #define dB(a) dbg(fprintf a)
76 #define d1(n1) dB((dO,n1 ))
77 #define d2(n1,n2) dB((dO,n1,n2 ))
78 #define d3(n1,n2,n3) dB((dO,n1,n2,n3 ))
79 #define d4(n1,n2,n3,n4) dB((dO,n1,n2,n3,n4))
81 static const char version[]="This is MobilDock SMS sender (" PACKAGE " " VERSION ")\n";
89 static int dis_cleanup=0,devfd=-1;
91 static char *phone,*body,*device,*logname,*lockfile,*smsc,*maxretry,*readtime,*chartime,*cmdtime;
93 static long maxretryn=DEF_MAXRETRY,readtimen=DEF_READTIME,chartimen=DEF_CHARTIME,cmdtimen=DEF_CMDTIME;
94 static size_t bodylen;
96 static char *devicename; /* path stripped */
97 static char lockreal[512],locked;
99 static struct termios restios,tios;
100 static char restios_yes;
104 #ifndef PRINTF_WORKS_PM
107 const char *fmt,va_list ap)
117 if (gethostname(host,sizeof(host))) strcpy(host,"<ERROR>");
121 if ((s=strchr(ctm,'\n'))) *s='\0';
122 fprintf(logf,"%s %s %s[%d]: ",ctm,host,pname,mypid);
123 vfprintf(logf,fmt,ap);
124 #ifndef PRINTF_WORKS_PM
125 if (outerr) fputs(strerror(errno),logf);
131 static void logmsg(const char *fmt,...)
136 #ifndef PRINTF_WORKS_PM
143 static void error(const char *fmt,...)
147 #ifndef PRINTF_WORKS_PM
152 if (fatal=='!' || fatal=='.' || fatal=='\n') fmt++;
155 #ifndef PRINTF_WORKS_PM
156 if (!(nfmt=strdup(fmt))) return;
158 if ((pm=(fmtl>=2 && !strcmp(fmt+fmtl-2,"%m")))) nfmt[fmtl-2]='\0';
161 fprintf(stderr,"%s: ",pname);
164 #ifdef PRINTF_WORKS_PM
170 if (fatal=='!') vlogmsg(
171 #ifdef PRINTF_WORKS_PM
179 #ifndef PRINTF_WORKS_PM
181 fputs(strerror(errno),stderr);
186 if (fatal!='\n') fputc((fatal=='.'?'.':'!'),stderr);
188 if (fatal=='!') exit(EXIT_FAILURE);
191 static void chk(void *p)
194 error("!Virtual memory exhausted");
197 static void cleanup(void)
200 if (dis_cleanup) return;
202 if (tcsetattr(devfd,TCSANOW,&restios))
203 error("Error restoring termios for device: %m");
206 if (locked && *lockreal) {
207 d2("Removing lockfile \"%s\"\n",lockreal);
208 if (unlink(lockreal))
209 error("Error removing my device lockfile \"%s\": %m",lockreal);
216 static void usage(void)
222 Usage: " PACKAGE " [-c|--config <cfgfile>] [-d|--device <device>]\n\
224 [-l|--lockfile <lock>] [-s|--smsc <smsc #>] [-m|--maxretry <#>]\n\
225 [-r|--readtime <sec>] [-t|--chartime <msec>] [-T|--cmdtime <msec>]\n\
226 [-f|--file] [-v|--verbose] [-h|--help] [-V|--version]\n\
227 <dest. phone> <msg text|msg filename>\n\
229 -c, --config\tRead this additional config file\n\
230 \t\t(def. \"" CONFIG_MAIN "\" and \"$HOME" CONFIG_HOME "\")\n\
231 -d, --device\tMobilDock on this serial device (def. \"" DEF_DEVICE "\")\n\
232 -L, --log\tLog all important messages to this file (def. \"" DEF_LOGNAME "\")\n\
233 -l, --lockfile\tLock serial port by this file, \"%%s\" is basename of device\n\
235 -s, --smsc\tUse this SMS Center number (def. query from Siemens A1)\n\
236 -m, --maxretry\tMaximum retries of any command before giving up (def. %d)\n\
237 -r, --readtime\tSeconds for maximum wait time for response (def. %ds)\n\
238 -t, --chartime\tMilliseconds between each char on baud 19200 (def. %dms)\n\
239 -T, --cmdtime\tMilliseconds before each whole AT command (def. %dms)\n\
240 -f, --file\tRead contents of message from file instead\n\
241 -v, --verbose\tIncrease verbosity level, more \"-v\"s give more messages\n\
242 -h, --help\tPrint a summary of the options\n\
243 -V, --version\tPrint the version number\n\
244 \n",version,DEF_LOCKFILE,DEF_MAXRETRY,DEF_READTIME,DEF_CHARTIME,DEF_CMDTIME);
248 static const struct option longopts[]={
252 {"lockfile",1,0,'l'},
254 {"maxretry",1,0,'m'},
255 {"readtime",1,0,'r'},
256 {"chartime",1,0,'t'},
257 {"cmdtime" ,1,0,'T'},
259 {"verbose" ,0,0,'v'},
261 {"version" ,0,0,'V'}};
263 static void processargs(int argp,char **args,const char *from);
265 static char *cfgstack[MAXCFGLOOP];
266 static unsigned cfgstacki=0;
268 static void chkfclose(FILE *f,const char *fname)
271 error("Error closing \"%s\": %m",fname);
274 static void readfile(const char *fname,char quiet)
278 char *args[MAXCFGARGS],*d,*s,blank,quote;
282 static unsigned tot=0;
284 if (tot++>=MAXCFGNUM) {
285 if (tot==MAXCFGNUM+1) error("Too many config files to read, max is %d, break-out",MAXCFGNUM);
288 if (!(f=fopen(fname,"rt"))) {
289 if (!quiet) error("Can't open config file \"%s\" for r/o: %m",fname);
292 if (verbose>=2) error(".Reading config file \"%s\"",fname);
293 if (fseek(f,0,SEEK_END))
294 error("Error seeking to end of \"s\": %m",fname);
295 if ((size=ftell(f))<0)
296 size=0,error("Error measuring \"%s\": %m",fname);
298 error("File \"%s\" is too long, read only %ld bytes",fname,MAXCONFIG);
299 chk(buf=malloc((size?size:MAXCONFIG)+1));
301 got=fread(buf,1,(size?size:MAXCONFIG),f);
302 if (size && got!=size)
303 error("File \"%s\" read error, got only %u bytes of %ld",fname,got,size);
307 for (argp=1,d=s=buf,blank=1,quote=0;s<buf+got;s++) {
310 if (!quote && isspace(c)) {
314 if (verbose>=2) error("\nConfig \"%s\": arg#%d: %s",fname,argp-1,args[argp-1]);
319 if (argp>=NELEM(args)-1) {
320 error("Too many arguments in \"%s\", from offset %d ignored",fname,s-buf);
327 if (c=='\\') { *d++=*++s; continue; }
328 if (c=='"' || c=='\'') {
329 if (!quote ) { quote=c; continue; }
330 if ( quote==c) { quote=0; continue; }
336 processargs(argp,args,fname);
355 static void processargs(int argp,char **args,const char *from)
358 static unsigned seq=0;
362 optarg=NULL; optind=0; /* FIXME: Possible portability problem. */
363 while ((optc=getopt_long(argp,args,"c:d:L:l:s:m:r:t:T:fvhV",longopts,NULL))!=EOF) switch (optc) {
365 if (cfgstacki>=NELEM(cfgstack)) {
366 error("Looping (%d) during attempt to read config file \"%s\", break-out",NELEM(cfgstack),optind);
369 chk(cfgstack[cfgstacki++]=strdup(optarg));
371 case 'd': case 'L': case 'l': case 's': case 'm': case 'r': case 't': case 'T':
372 for (i=0;i<NELEM(optset);i++)
373 if (optset[i].c==optc) {
374 if (optset[i].stamp && optset[i].stamp!=seq) {
375 assert(!!*optset[i].var);
378 free(*optset[i].var);
379 chk(*optset[i].var=strdup(optarg));
383 assert(i<NELEM(optset));
392 fprintf(stderr,version);
396 error("\nLast getopt(3) error occured during parsing option %d from \"%s\"! Follows help:",optind-1,from);
400 if (!phone && optind<argp)
401 chk(phone=strdup(args[optind++]));
402 if (!body && optind<argp) {
406 for (i=optind,bodylen=argp-optind;i<argp;i++)
407 bodylen+=strlen(args[i]);
408 chk(body=malloc(bodylen));
409 for (d=body,i=optind;i<argp;i++) {
410 size_t l=strlen(args[i]);
414 assert(d<=body+bodylen);
416 assert(d==body+bodylen);
421 char *s=cfgstack[--cfgstacki];
423 assert(cfgstacki>=0);
426 assert(cfgstacki>=0 && cfgstacki<NELEM(cfgstack));
430 static const struct {
434 {&phone,"destination phone number"},
436 {&body ,"body text"},
437 {&device,"device for communication"},
440 static char **emptycheck[]={&logname,&smsc,&body};
442 static void lockclose(int fd)
445 error("Error closing lockfile \"%s\"",lockreal);
448 static inline void lockdevice(void)
458 if (fd!=-1) lockclose(fd);
460 if (delay) sleep(delay);
461 delay=DEVLOCK_PERIOD;
462 if (verbose>=3) error(".Checking the lockfile \"%s\"..",lockreal);
463 if ((fd=open(lockreal,O_RDONLY))==-1) break;
464 if ((got=read(fd,buf,sizeof(buf)-1))<=0) {
466 if (empty>=DEVLOCK_MAXEMPTY) {
467 error(".Lockfile \"%s\" is still not valid, removing it",lockreal);
473 assert(got<sizeof(buf));
475 if (sscanf(buf,"%d",&pid)!=1) goto isempty;
478 if (kill(pid,0) && errno!=ESRCH && errno!=EPERM)
479 error("Error during checking consciousness of PID %d: %m",pid);
480 if (errno!=ESRCH) continue;
481 error(".Lockfile \"%s\" is stale (PID %d), removing it",lockreal,pid);
484 if (unlink(lockreal))
485 error("Error removing foreign lockfile \"%s\": %m",lockreal);
489 if ((fd=open(lockreal,O_WRONLY|O_CREAT|O_EXCL,0644))==-1) {
490 if (errno==EEXIST) goto recheck;
491 error("!Error creating lockfile \"%s\": %m",lockreal);
494 got=VARPRINTF(buf,"%010d\n",getpid()); assert(got==11);
495 if (write(fd,buf,got)!=got)
496 error("!Error writing data to lockfile \"%s\": %m",lockreal);
500 static char wasalarm=0;
501 static void sigalarm(int signo)
503 signal(SIGALRM,(RETSIGTYPE (*)(int))sigalarm);
505 if (verbose>=1) error("Timed out");
508 static void blocking(char yes)
510 static char state=-1;
511 if (state==yes) return;
512 if (fcntl(devfd,F_SETFL,(yes?0:O_NONBLOCK)))
513 error("!fcntl() on device for %sblocking mode: %m",(yes?"":"non-"));
517 static const char *record;
518 static char *catchdata;
519 static size_t catchdatal,catchdatasiz;
521 static void catched(const char *end)
528 if ((p=memchr(record,'\n',end-record))) end=p;
529 if ((len=end-record)) {
530 if (catchdatal+len>catchdatasiz)
531 chk(catchdata=realloc(catchdata,
532 (catchdatasiz=MAX(LINE_MAX,(catchdatal+len)*2))));
533 memcpy(catchdata+catchdatal,record,len);
537 assert(catchdatal<=catchdatasiz);
540 static int retrycnt=0;
541 static void retrying(void)
543 if (++retrycnt>maxretryn) error("!Maximum command retry count (%d) exceeded",maxretryn);
544 if (verbose>=2) error(".Retrying phase, %d out of %d..",retrycnt,maxretryn);
547 static char *devcmd(const char *term,const char *catch,const char *send,...)
549 size_t l,bufl,terml,catchl,fragl,offs;
556 if (!term) term="\nOK\n";
557 if ((errout=(*send=='!'))) send++;
561 if (errout) return(NULL);
566 l=VARVPRINTF(buf,send,ap); bufl=l+1;
568 if (bufl>=sizeof(buf)-1) error("!Command too big (%d>%d)",bufl,sizeof(buf)-1);
569 if (verbose>=2) error(".devcmd(send=\"%s\",term=\"%s\",catch=\"%s\")",buf,term,catch);
570 buf[l]='\r'; buf[l+1]='\n';
571 for (offs=0,got=0;offs<bufl;offs++) {
573 usleep((offs?chartimen:cmdtimen)*1000);
574 if (!offs && tcflush(devfd,TCIOFLUSH))
575 error("Error flushing I/O queue of device: %m");
576 if (write(devfd,buf+offs,1)!=1) break;
579 error("Error forcing output of char %d of cmd \"%s\": %m",offs,buf);
583 error("Wrote only %d of %d bytes of command: %m",got,bufl);
587 if (!(terml=strlen(term))) {
592 catchl=strlen(catch);
593 fragl=MAX(terml,catchl);
596 fragl=MAX(fragl,MAX(strlen(ERROR_SUBSTR1),strlen(ERROR_SUBSTR2)));
604 got=read(devfd,buf+bufl,sizeof(buf)-1-bufl);
605 if (got==-1 && errno==EAGAIN) {
608 got=read(devfd,buf+bufl,1);
611 if (wasalarm) error("!Maximum response timeout (%ds) exceeded",readtimen);
612 error("Couldn't read device data (ret=%d): %m",got);
617 /* FIXME: '\0' conversion */
618 while (buf+bufl>s && (s=memchr(s,'\r',buf+bufl-s))) *s='\n';
619 catched(buf+bufl); assert(!record || record==buf+bufl);
620 assert(bufl<sizeof(buf));
623 assert(strlen(buf)==bufl);
624 /* d3(">%s|%s<\n",buf,term); */
625 if (strstr(buf,ERROR_SUBSTR1) || strstr(buf,ERROR_SUBSTR2)) {
626 error("Found ERROR response on command \"%s\"",send);
629 if (catch && bufl>=catchl && (hit=strstr(buf,catch))) {
631 catched(buf+bufl); assert(!record || record==buf+bufl);
633 if ( bufl>= terml && (hit=strstr(buf,term))) break;
634 memmove(buf,buf+bufl-(fragl-1),fragl-1);
636 if (record) record=buf+bufl;
641 if (!catch) return(NULL);
642 error("Data requested on command \"%s\" but no found after term \"%s\"",send,term);
649 if (verbose>=2) error(".Returning data \"%s\" for cmd \"%s\"",catchdata,send);
653 static int prepaddr(unsigned char *d,const char *addr)
659 if ((plus=(*addr=='+'))) addr++;
660 *++d=(plus?ADDR_INT:ADDR_NAT);
662 if (*addr<'0' || *addr>'9')
663 error("!Error during conversion of number at: %s",addr);
666 if ((flip=!flip)) *++d=0xF0|n;
667 else *d=(*d&0x0F)|(n<<4U);
672 static char *finalsmsc;
673 #define SMSCBINSIZE (1+1+(MAXNUMLEN+1)/2)
674 static char pdusmsc[SMSCBINSIZE*2+1];
676 static inline char tohex(unsigned char x)
679 if (x<10) return(x +'0');
683 static void textconv(char *d,unsigned char *s,size_t len)
693 static inline void smscset(void)
697 unsigned char bin[2+(MAXNUMLEN+1)/2];
699 if (smsc) devcmd(NULL,NULL,"\r\nAT+CSCA=\"%s\"",smsc);
700 s=devcmd(NULL,"\n+CSCA:","\r\nAT+CSCA?");
701 while (isspace(*s)) s++;
702 if (!*s || !strcmp(s,"EMPTY"))
703 error("!No SMS set in A1 found");
704 if (verbose>=1) error("\nFound default SMSC in A1: %s",s);
705 if (*s!='"') error("!No left-quote found in: %s",s);
706 if (!(t=strrchr(s+1,'"'))) error("!No right-quote found in: %s",s);
708 while (isspace(*t)) t++;
709 if (*t++!=',') error("!No comma found after quotes in: %s",s);
710 while (isspace(*t)) t++;
711 l=strtol(t,&serr,10);
712 if ((l!=ADDR_NAT && l!=ADDR_INT) || (serr && *serr))
713 error("!Type parse error in: %s",s);
714 if (l==ADDR_NAT || s[1]=='+') s++;
717 chk(finalsmsc=strdup(s));
718 if (verbose>=2) error("\nDecoded SMSC address: %s",finalsmsc);
719 bin[0]=1+(prepaddr(bin,finalsmsc)+1)/2;
720 textconv(pdusmsc,bin,bin[0]+1);
723 static char *pdudata;
725 static inline unsigned char charconv(char c,size_t offs)
735 if ((c>='A' && c<='Z') || (c>='a' && c<='z') || (c>='0' && c<='9')) return(c);
736 error("Can't convert character '%c' (0x%02X) at offs %d (0-based), substituted '?'",
737 c,(unsigned char)c,offs);
742 static inline void genpdu(void)
744 static unsigned char pdu[64+MAXNUMLEN/2+(MAXBODYLEN*7)/8];
745 unsigned char *d=pdu;
747 char inb=0,outb=0,xb;
754 *d=i; d+=1+1+(i+1)/2;
758 if (bodylen>MAXBODYLEN) {
759 error("Body too large (%d>%d), cut",bodylen,MAXBODYLEN);
763 assert(d<pdu+sizeof(pdu));
764 while (bodylen || inb) {
766 assert(bodylen>0); assert(!!*body);
767 inreg=charconv(*body++,offs++);
776 d4("inb=%d,outb=%d,xb=%d\n",inb,outb,xb);
777 *d|=((inreg>>(unsigned)(7-inb))&((1<<xb)-1))<<(unsigned)(8-outb);
781 assert(d<pdu+sizeof(pdu));
782 pdudata=malloc(2*(d-pdu)+1);
783 textconv(pdudata,pdu,d-pdu);
789 const char *const msg;
791 { &maxretry,&maxretryn,"maxretry" },
792 { &readtime,&readtimen,"readtime" },
793 { &chartime,&chartimen,"chartime" },
794 { &cmdtime ,&cmdtimen ,"cmdtime" },
797 int main(int argc,char **argv)
804 if ((s=strrchr((pname=*argv),'/'))) pname=s+1;
806 signal(SIGTERM,(RETSIGTYPE (*)(int))cleanup);
807 signal(SIGQUIT,(RETSIGTYPE (*)(int))cleanup);
808 signal(SIGINT ,(RETSIGTYPE (*)(int))cleanup);
809 signal(SIGHUP ,(RETSIGTYPE (*)(int))cleanup);
810 processargs(argc,argv,"<command-line>");
811 if ((s=getenv("HOME"))) {
813 char *buf=malloc(l+50);
816 strcpy(buf+l,CONFIG_HOME);
820 readfile(CONFIG_MAIN,1);
822 for (i=0;i<NELEM(nullcheck);i++)
823 if (!*nullcheck[i].var) {
824 error("Missing parameter \"%s\"",nullcheck[i].name);
827 if (fatal) error("!Previous error%s considered unrecoverable",(fatal==1?"":"s"));
828 for (i=0;i<NELEM(emptycheck);i++)
829 if (*emptycheck[i] && !**emptycheck[i]) {
830 free(*emptycheck[i]);
833 if (!logname) logname=DEF_LOGNAME;
834 if (!lockfile) lockfile=DEF_LOCKFILE;
835 if (!device) device=DEF_DEVICE;
836 if (body && readbody) {
848 error("\nPlease enter the SMS text body, end with EOF (ctrl-D):");
851 if (!(fin=fopen(finame,"rt")))
852 error("!Can't open data file \"%s\" for r/o: %m",finame);
854 chk(body=malloc(BODYLOAD));
855 bodylen=fread(body,1,BODYLOAD,fin);
857 error("!Error reading stream \"%s\": %m",(finame?finame:"<stdin>"));
859 chkfclose(fin,finame);
864 for (i=0;i<NELEM(numarg);i++) {
866 if (!*numarg[i].sp) continue;
867 *numarg[i].ip=strtol(*numarg[i].sp,&serr,0);
868 if (*numarg[i].ip<0 || *numarg[i].ip>=LONG_MAX || !serr || *serr)
869 error("!Number parse error for parameter \"%s\" of \"%s\" at: %s",
870 numarg[i].msg,*numarg[i].sp,serr);
873 if (!strchr(device,'/')) {
874 size_t l=strlen(device);
875 chk(s=malloc(5+l+1));
881 devicename=strrchr(device,'/')+1; assert(!!(devicename-1));
882 for (i=0,s=lockfile;*s;s++) {
883 if (*s!='%') continue;
885 if (*s=='%') continue;
887 if (i) error("!Only one \"%%s\" permitted in lockfile format-string");
890 error("!Invalid format-character '%c' in lockfile format-string, only \"%%s\" allowed",*s);
894 if (!(logf=fopen(logname,"a")))
895 error("!Error opening log \"%s\" for append: %m",logname);
896 logmsg("Starting up: " PACKAGE " " VERSION);
900 if (lockfile && *lockfile && VARPRINTF(lockreal,lockfile,devicename)>0) {
902 if (verbose>=1) error(".Locking device \"%s\" by \"%s\"..",device,lockreal);
906 if ((end-=start)>LOCKREPORT)
907 logmsg("Device lock succeeded after %d seconds",end);
909 if (verbose>=1) error(".Opening device \"%s\"..",device);
910 if ((devfd=open(device,O_RDWR|O_NDELAY))<0)
911 error("!Cannot open device \"%s\" for rw-access: %m",device);
913 if (tcgetattr(devfd,&restios))
914 error("Unable to get termios settings: %m");
916 restios.c_cflag=(restios.c_cflag&~(CBAUD|CBAUDEX))|B0|HUPCL;
919 tios.c_iflag=IGNBRK|IGNPAR|IXON|IXOFF;
921 tios.c_cflag=CS8|CREAD|CLOCAL|B19200|HUPCL;
922 tios.c_lflag=IEXTEN|NOFLSH;
923 memset(tios.c_cc,_POSIX_VDISABLE,sizeof(tios.c_cc));
926 cfsetispeed(&tios,B19200);
927 if (cfsetospeed(&tios,B19200)|cfsetispeed(&tios,B19200))
928 error("Error setting termios baudrate on device: %m");
929 if (tcflush(devfd,TCIOFLUSH))
930 error("Error flushing termios (TCIOFLUSH) on device: %m");
931 if (tcsetattr(devfd,TCSANOW,&tios))
932 error("!Unable to set initial termios device settings: %m");
934 signal(SIGALRM,(RETSIGTYPE (*)(int))sigalarm);
936 devcmd("",NULL,"\r\nAT\032");
937 devcmd(NULL,NULL,"\r\nAT");
939 devcmd(NULL,NULL,"\r\nAT+CMGF=0");
940 devcmd("\n> ",NULL,"\r\nAT+CMGS=%d",(strlen(pdusmsc)+strlen(pdudata))/2);
941 if (!(s=devcmd(NULL,"\n+CMGS:","!%s%s\032",pdusmsc,pdudata))) retrying();
943 while (isspace(*s)) s++;
944 if (verbose>=1) error("\nMessage successfuly sent with MR: %s",s);
945 devcmd(NULL,NULL,"\r\nAT");
947 logmsg("SMS sent (after %d retries), message reference: %s",retrycnt,s);
948 return(EXIT_SUCCESS);