sjero.net Git - linphone/blob - console/linphonec.c

   1 /****************************************************************************
   2  *
   3  *  $Id: linphonec.c,v 1.57 2007/11/14 13:40:27 smorlat Exp $
   4  *
   5  *  Copyright (C) 2006  Sandro Santilli <strk@keybit.net>
   6  *  Copyright (C) 2002  Florian Winterstein <flox@gmx.net>
   7  *  Copyright (C) 2000  Simon MORLAT <simon.morlat@free.fr>
   8  *
   9 ****************************************************************************
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; either version 2
  14  * of the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  24  *
  25  ****************************************************************************/
  26 #include <string.h>
  27 #ifndef _WIN32_WCE
  28 #include <sys/time.h>
  29 #include <sys/types.h>
  30 #include <unistd.h>
  31 #include <errno.h>
  32 #include <signal.h>
  33 #include "private.h" /*coreapi/private.h, needed for LINPHONE_VERSION */
  34 #endif /*_WIN32_WCE*/
  35 #include <limits.h>
  36 #include <ctype.h>
  37
  38 #include <linphonecore.h>
  39
  40 #include "linphonec.h"
  41
  42 #ifdef WIN32
  43 #include <ws2tcpip.h>
  44 #include <ctype.h>
  45 #ifndef _WIN32_WCE
  46 #include <conio.h>
  47 #endif /*_WIN32_WCE*/
  48 #else
  49 #include <sys/socket.h>
  50 #include <netdb.h>
  51 #include <sys/un.h>
  52 #include <sys/stat.h>
  53 #endif
  54
  55 #if defined(_WIN32_WCE)
  56
  57 #if !defined(PATH_MAX)
  58 #define PATH_MAX 256
  59 #endif /*PATH_MAX*/
  60
  61 #if !defined(strdup)
  62 #define strdup _strdup
  63 #endif /*strdup*/
  64
  65 #endif /*_WIN32_WCE*/
  66
  67 #ifdef HAVE_GETTEXT
  68 #include <libintl.h>
  69 #ifndef _
  70 #define _(String) gettext(String)
  71 #endif
  72 #else
  73 #define _(something)    (something)
  74 #endif
  75
  76 #ifndef PACKAGE_DIR
  77 #define PACKAGE_DIR ""
  78 #endif
  79
  80 #ifdef HAVE_X11_XLIB_H
  81 #include <X11/Xlib.h>
  82 #include <SDL/SDL_syswm.h>
  83 #endif
  84
  85 /***************************************************************************
  86  *
  87  *  Types
  88  *
  89  ***************************************************************************/
  90
  91 typedef struct {
  92         LinphoneAuthInfo *elem[MAX_PENDING_AUTH];
  93         int nitems;
  94 } LPC_AUTH_STACK;
  95
  96 /***************************************************************************
  97  *
  98  *  Forward declarations
  99  *
 100  ***************************************************************************/
 101
 102 char *lpc_strip_blanks(char *input);
 103
 104 static int handle_configfile_migration(void);
 105 #if !defined(_WIN32_WCE)
 106 static int copy_file(const char *from, const char *to);
 107 #endif /*_WIN32_WCE*/
 108 static int linphonec_parse_cmdline(int argc, char **argv);
 109 static int linphonec_init(int argc, char **argv);
 110 static int linphonec_main_loop (LinphoneCore * opm, char * sipAddr);
 111 static int linphonec_idle_call (void);
 112 #ifdef HAVE_READLINE
 113 static int linphonec_initialize_readline(void);
 114 static int linphonec_finish_readline();
 115 static char **linephonec_readline_completion(const char *text,
 116         int start, int end);
 117 #endif
 118
 119 /* These are callback for linphone core */
 120 static void linphonec_prompt_for_auth(LinphoneCore *lc, const char *realm,
 121         const char *username);
 122 static void linphonec_display_refer (LinphoneCore * lc, const char *refer_to);
 123 static void linphonec_display_something (LinphoneCore * lc, const char *something);
 124 static void linphonec_display_url (LinphoneCore * lc, const char *something, const char *url);
 125 static void linphonec_display_warning (LinphoneCore * lc, const char *something);
 126 static void linphonec_notify_received(LinphoneCore *lc, LinphoneCall *call, const char *from,const char *event);
 127
 128 static void linphonec_notify_presence_received(LinphoneCore *lc,LinphoneFriend *fid);
 129 static void linphonec_new_unknown_subscriber(LinphoneCore *lc,
 130                 LinphoneFriend *lf, const char *url);
 131
 132 static void linphonec_text_received(LinphoneCore *lc, LinphoneChatRoom *cr,
 133                 const LinphoneAddress *from, const char *msg);
 134 static void linphonec_display_status (LinphoneCore * lc, const char *something);
 135 static void linphonec_dtmf_received(LinphoneCore *lc, LinphoneCall *call, int dtmf);
 136 static void print_prompt(LinphoneCore *opm);
 137 void linphonec_out(const char *fmt,...);
 138 /***************************************************************************
 139  *
 140  * Global variables
 141  *
 142  ***************************************************************************/
 143
 144 LinphoneCore *linphonec;
 145 FILE *mylogfile;
 146 #ifdef HAVE_READLINE
 147 static char *histfile_name=NULL;
 148 static char last_in_history[256];
 149 #endif
 150 //auto answer (-a) option
 151 static bool_t auto_answer=FALSE;
 152 static bool_t answer_call=FALSE;
 153 static bool_t vcap_enabled=FALSE;
 154 static bool_t display_enabled=FALSE;
 155 static bool_t preview_enabled=FALSE;
 156 static bool_t show_general_state=FALSE;
 157 static bool_t unix_socket=FALSE;
 158 static bool_t linphonec_running=TRUE;
 159 LPC_AUTH_STACK auth_stack;
 160 static int trace_level = 0;
 161 static char *logfile_name = NULL;
 162 static char configfile_name[PATH_MAX];
 163 static const char *factory_configfile_name=NULL;
 164 static char *sipAddr = NULL; /* for autocall */
 165 #if !defined(_WIN32_WCE)
 166 static ortp_pipe_t client_sock=ORTP_PIPE_INVALID;
 167 #endif /*_WIN32_WCE*/
 168 char prompt[PROMPT_MAX_LEN];
 169 #if !defined(_WIN32_WCE)
 170 static ortp_thread_t pipe_reader_th;
 171 static bool_t pipe_reader_run=FALSE;
 172 #endif /*_WIN32_WCE*/
 173 #if !defined(_WIN32_WCE)
 174 static ortp_pipe_t server_sock;
 175 #endif /*_WIN32_WCE*/
 176
 177 bool_t linphonec_camera_enabled=TRUE;
 178
 179
 180
 181 void linphonec_call_identify(LinphoneCall* call){
 182         static long callid=1;
 183         linphone_call_set_user_pointer (call,(void*)callid);
 184         callid++;
 185 }
 186
 187 LinphoneCall *linphonec_get_call(long id){
 188         const MSList *elem=linphone_core_get_calls(linphonec);
 189         for (;elem!=NULL;elem=elem->next){
 190                 LinphoneCall *call=(LinphoneCall*)elem->data;
 191                 if (linphone_call_get_user_pointer (call)==(void*)id){
 192                         return call;
 193                 }
 194         }
 195         linphonec_out("Sorry, no call with id %i exists at this time.\n",id);
 196         return NULL;
 197 }
 198
 199 /***************************************************************************
 200  *
 201  * Linphone core callbacks
 202  *
 203  ***************************************************************************/
 204
 205 /*
 206  * Linphone core callback
 207  */
 208 static void
 209 linphonec_display_refer (LinphoneCore * lc, const char *refer_to)
 210 {
 211         linphonec_out("Receiving out of call refer to %s\n", refer_to);
 212 }
 213
 214 /*
 215  * Linphone core callback
 216  */
 217 static void
 218 linphonec_display_something (LinphoneCore * lc, const char *something)
 219 {
 220         fprintf (stdout, "%s\n%s", something,prompt);
 221         fflush(stdout);
 222 }
 223
 224 /*
 225  * Linphone core callback
 226  */
 227 static void
 228 linphonec_display_status (LinphoneCore * lc, const char *something)
 229 {
 230         fprintf (stdout, "%s\n%s", something,prompt);
 231         fflush(stdout);
 232 }
 233
 234 /*
 235  * Linphone core callback
 236  */
 237 static void
 238 linphonec_display_warning (LinphoneCore * lc, const char *something)
 239 {
 240         fprintf (stdout, "Warning: %s\n%s", something,prompt);
 241         fflush(stdout);
 242 }
 243
 244 /*
 245  * Linphone core callback
 246  */
 247 static void
 248 linphonec_display_url (LinphoneCore * lc, const char *something, const char *url)
 249 {
 250         fprintf (stdout, "%s : %s\n", something, url);
 251 }
 252
 253 /*
 254  * Linphone core callback
 255  */
 256 static void
 257 linphonec_prompt_for_auth(LinphoneCore *lc, const char *realm, const char *username)
 258 {
 259         /* no prompt possible when using pipes or tcp mode*/
 260         if (unix_socket){
 261                 linphone_core_abort_authentication(lc,NULL);
 262         }else{
 263                 LinphoneAuthInfo *pending_auth;
 264
 265                 if ( auth_stack.nitems+1 > MAX_PENDING_AUTH )
 266                 {
 267                         fprintf(stderr,
 268                                 "Can't accept another authentication request.\n"
 269                                 "Consider incrementing MAX_PENDING_AUTH macro.\n");
 270                         return;
 271                 }
 272
 273                 pending_auth=linphone_auth_info_new(username,NULL,NULL,NULL,realm);
 274                 auth_stack.elem[auth_stack.nitems++]=pending_auth;
 275         }
 276 }
 277
 278 /*
 279  * Linphone core callback
 280  */
 281 static void
 282 linphonec_notify_received(LinphoneCore *lc, LinphoneCall *call, const char *from,const char *event)
 283 {
 284         if(!strcmp(event,"refer"))
 285         {
 286                 linphonec_out("The distand endpoint %s of call %li has been transfered, you can safely close the call.\n",
 287                               from,(long)linphone_call_get_user_pointer (call));
 288         }
 289 }
 290
 291
 292 /*
 293  * Linphone core callback
 294  */
 295 static void
 296 linphonec_notify_presence_received(LinphoneCore *lc,LinphoneFriend *fid)
 297 {
 298         char *tmp=linphone_address_as_string(linphone_friend_get_address(fid));
 299         printf("Friend %s is %s\n", tmp, linphone_online_status_to_string(linphone_friend_get_status(fid)));
 300         ms_free(tmp);
 301         // todo: update Friend list state (unimplemented)
 302 }
 303
 304 /*
 305  * Linphone core callback
 306  */
 307 static void
 308 linphonec_new_unknown_subscriber(LinphoneCore *lc, LinphoneFriend *lf,
 309                 const char *url)
 310 {
 311         printf("Friend %s requested subscription "
 312                 "(accept/deny is not implemented yet)\n", url);
 313         // This means that this person wishes to be notified
 314         // of your presence information (online, busy, away...).
 315
 316 }
 317
 318 static void linphonec_call_updated(LinphoneCall *call){
 319         const LinphoneCallParams *cp=linphone_call_get_current_params(call);
 320         if (!linphone_call_camera_enabled (call) && linphone_call_params_video_enabled (cp)){
 321                 linphonec_out("Far end requests to share video.\nType 'camera on' if you agree.\n");
 322         }
 323 }
 324
 325 static void linphonec_call_state_changed(LinphoneCore *lc, LinphoneCall *call, LinphoneCallState st, const char *msg){
 326         char *from=linphone_call_get_remote_address_as_string(call);
 327         long id=(long)linphone_call_get_user_pointer (call);
 328         switch(st){
 329                 case LinphoneCallEnd:
 330                         linphonec_out("Call %i with %s ended.\n", id, from);
 331                 break;
 332                 case LinphoneCallResuming:
 333                         linphonec_out("Resuming call %i with %s.\n", id, from);
 334                 break;
 335                 case LinphoneCallStreamsRunning:
 336                         linphonec_out("Media streams established with %s for call %i.\n", from,id);
 337                 break;
 338                 case LinphoneCallPausing:
 339                         linphonec_out("Pausing call %i with %s.\n", id, from);
 340                 break;
 341                 case LinphoneCallPaused:
 342                         linphonec_out("Call %i with %s is now paused.\n", id, from);
 343                 break;
 344                 case LinphoneCallPausedByRemote:
 345                         linphonec_out("Call %i has been paused by %s.\n",id,from);
 346                 break;
 347                 case LinphoneCallIncomingReceived:
 348                         linphonec_call_identify(call);
 349                         linphone_call_enable_camera (call,linphonec_camera_enabled);
 350                         id=(long)linphone_call_get_user_pointer (call);
 351                         linphonec_set_caller(from);
 352                         if ( auto_answer)  {
 353                                 answer_call=TRUE;
 354                         }
 355                         linphonec_out("Receiving new incoming call from %s, assigned id %i\n", from,id);
 356                 break;
 357                 case LinphoneCallOutgoingInit:
 358                         linphonec_call_identify(call);
 359                         id=(long)linphone_call_get_user_pointer (call);
 360                         from=linphone_call_get_remote_address_as_string(call);
 361                         linphonec_out("Establishing call id to %s, assigned id %i\n", from,id);
 362                 break;
 363                 case LinphoneCallUpdatedByRemote:
 364                         linphonec_call_updated(call);
 365                 break;
 366                 case LinphoneCallOutgoingProgress:
 367                         linphonec_out("Call %i to %s in progress.\n", id, from);
 368                         break;
 369                 case LinphoneCallOutgoingRinging:
 370                         linphonec_out("Call %i to %s ringing.\n", id, from);
 371                         break;
 372                 case LinphoneCallConnected:
 373                         linphonec_out("Call %i with %s connected.\n", id, from);
 374                         break;
 375                 case LinphoneCallOutgoingEarlyMedia:
 376                         linphonec_out("Call %i with %s early media.\n", id, from);
 377                         break;
 378                 case LinphoneCallError:
 379                         linphonec_out("Call %i with %s error.\n", id, from);
 380                         break;
 381                 default:
 382                 break;
 383         }
 384         ms_free(from);
 385 }
 386
 387 /*
 388  * Linphone core callback
 389  */
 390 static void
 391 linphonec_text_received(LinphoneCore *lc, LinphoneChatRoom *cr,
 392                 const LinphoneAddress *from, const char *msg)
 393 {
 394         printf("%s: %s\n", linphone_address_as_string(from), msg);
 395         // TODO: provide mechanism for answering.. ('say' command?)
 396 }
 397
 398
 399 static void linphonec_dtmf_received(LinphoneCore *lc, LinphoneCall *call, int dtmf){
 400         char *from=linphone_call_get_remote_address_as_string(call);
 401         fprintf(stdout,"Receiving tone %c from %s\n",dtmf,from);
 402         fflush(stdout);
 403         ms_free(from);
 404 }
 405
 406 static char received_prompt[PROMPT_MAX_LEN];
 407 static ms_mutex_t prompt_mutex;
 408 static bool_t have_prompt=FALSE;
 409
 410 static void *prompt_reader_thread(void *arg){
 411         char *ret;
 412         char tmp[PROMPT_MAX_LEN];
 413         while ((ret=fgets(tmp,sizeof(tmp),stdin))!=NULL){
 414                 ms_mutex_lock(&prompt_mutex);
 415                 strcpy(received_prompt,ret);
 416                 have_prompt=TRUE;
 417                 ms_mutex_unlock(&prompt_mutex);
 418         }
 419         return NULL;
 420 }
 421
 422 static void start_prompt_reader(void){
 423         ortp_thread_t th;
 424         ms_mutex_init(&prompt_mutex,NULL);
 425         ortp_thread_create(&th,NULL,prompt_reader_thread,NULL);
 426 }
 427 #if !defined(_WIN32_WCE)
 428 static ortp_pipe_t create_server_socket(void){
 429         char path[128];
 430 #ifndef WIN32
 431         snprintf(path,sizeof(path)-1,"linphonec-%i",getuid());
 432 #else
 433         {
 434                 TCHAR username[128];
 435                 DWORD size=sizeof(username)-1;
 436                 GetUserName(username,&size);
 437                 snprintf(path,sizeof(path)-1,"linphonec-%s",username);
 438         }
 439 #endif
 440         return ortp_server_pipe_create(path);
 441 }
 442
 443
 444 static void *pipe_thread(void*p){
 445         char tmp[250];
 446         server_sock=create_server_socket();
 447         if (server_sock==ORTP_PIPE_INVALID) return NULL;
 448         while(pipe_reader_run){
 449                 while(client_sock!=ORTP_PIPE_INVALID){ /*sleep until the last command is finished*/
 450 #ifndef WIN32
 451                         usleep(20000);
 452 #else
 453                         Sleep(20);
 454 #endif
 455                 }
 456                 client_sock=ortp_server_pipe_accept_client(server_sock);
 457                 if (client_sock!=ORTP_PIPE_INVALID){
 458                         int len;
 459                         /*now read from the client */
 460                         if ((len=ortp_pipe_read(client_sock,(uint8_t*)tmp,sizeof(tmp)-1))>0){
 461                                 ortp_mutex_lock(&prompt_mutex);
 462                                 tmp[len]='\0';
 463                                 strcpy(received_prompt,tmp);
 464                                 printf("Receiving command '%s'\n",received_prompt);fflush(stdout);
 465                                 have_prompt=TRUE;
 466                                 ortp_mutex_unlock(&prompt_mutex);
 467                         }else{
 468                                 printf("read nothing\n");fflush(stdout);
 469                                 ortp_server_pipe_close_client(client_sock);
 470                                 client_sock=ORTP_PIPE_INVALID;
 471                         }
 472
 473                 }else{
 474                         if (pipe_reader_run) fprintf(stderr,"accept() failed: %s\n",strerror(errno));
 475                 }
 476         }
 477         ms_message("Exiting pipe_reader_thread.");
 478         fflush(stdout);
 479         return NULL;
 480 }
 481
 482 static void start_pipe_reader(void){
 483         ms_mutex_init(&prompt_mutex,NULL);
 484         pipe_reader_run=TRUE;
 485         ortp_thread_create(&pipe_reader_th,NULL,pipe_thread,NULL);
 486 }
 487
 488 static void stop_pipe_reader(void){
 489         pipe_reader_run=FALSE;
 490         linphonec_command_finished();
 491         ortp_server_pipe_close(server_sock);
 492         ortp_thread_join(pipe_reader_th,NULL);
 493 }
 494 #endif /*_WIN32_WCE*/
 495
 496 #ifdef HAVE_READLINE
 497 #define BOOL_HAVE_READLINE 1
 498 #else
 499 #define BOOL_HAVE_READLINE 0
 500 #endif
 501
 502 char *linphonec_readline(char *prompt){
 503         if (unix_socket || !BOOL_HAVE_READLINE ){
 504                 static bool_t prompt_reader_started=FALSE;
 505                 static bool_t pipe_reader_started=FALSE;
 506                 if (!prompt_reader_started){
 507                         start_prompt_reader();
 508                         prompt_reader_started=TRUE;
 509                 }
 510                 if (unix_socket && !pipe_reader_started){
 511 #if !defined(_WIN32_WCE)
 512                         start_pipe_reader();
 513                         pipe_reader_started=TRUE;
 514 #endif /*_WIN32_WCE*/
 515                 }
 516                 fprintf(stdout,"%s",prompt);
 517                 fflush(stdout);
 518                 while(1){
 519                         ms_mutex_lock(&prompt_mutex);
 520                         if (have_prompt){
 521                                 char *ret=strdup(received_prompt);
 522                                 have_prompt=FALSE;
 523                                 ms_mutex_unlock(&prompt_mutex);
 524                                 return ret;
 525                         }
 526                         ms_mutex_unlock(&prompt_mutex);
 527                         linphonec_idle_call();
 528 #ifdef WIN32
 529                         Sleep(20);
 530                         /* Following is to get the video window going as it
 531                                  should. Maybe should we only have this on when the option -V
 532                                  or -D is on? */
 533                         MSG msg;
 534
 535                         if (PeekMessage(&msg, NULL, 0, 0,1)) {
 536                                 TranslateMessage(&msg);
 537                                 DispatchMessage(&msg);
 538                         }
 539 #else
 540                         usleep(20000);
 541 #endif
 542                 }
 543         }else{
 544 #ifdef HAVE_READLINE
 545                 return readline(prompt);
 546 #endif
 547         }
 548 }
 549
 550 void linphonec_out(const char *fmt,...){
 551         char *res;
 552         va_list args;
 553         va_start (args, fmt);
 554         res=ortp_strdup_vprintf(fmt,args);
 555         va_end (args);
 556         printf("%s",res);
 557         fflush(stdout);
 558 #if !defined(_WIN32_WCE)
 559         if (client_sock!=ORTP_PIPE_INVALID){
 560                 if (ortp_pipe_write(client_sock,(uint8_t*)res,strlen(res))==-1){
 561                         fprintf(stderr,"Fail to send output via pipe: %s",strerror(errno));
 562                 }
 563         }
 564 #endif /*_WIN32_WCE*/
 565         ortp_free(res);
 566 }
 567
 568 void linphonec_command_finished(void){
 569 #if !defined(_WIN32_WCE)
 570         if (client_sock!=ORTP_PIPE_INVALID){
 571                 ortp_server_pipe_close_client(client_sock);
 572                 client_sock=ORTP_PIPE_INVALID;
 573         }
 574 #endif /*_WIN32_WCE*/
 575 }
 576
 577 void linphonec_set_autoanswer(bool_t enabled){
 578         auto_answer=enabled;
 579 }
 580
 581 bool_t linphonec_get_autoanswer(){
 582         return auto_answer;
 583 }
 584
 585 LinphoneCoreVTable linphonec_vtable={0};
 586
 587 /***************************************************************************/
 588 /*
 589  * Main
 590  *
 591  * Use globals:
 592  *
 593  *      - char *histfile_name
 594  *      - FILE *mylogfile
 595  */
 596 #if defined (_WIN32_WCE)
 597
 598 char **convert_args_to_ascii(int argc, _TCHAR **wargv){
 599         int i;
 600         char **result=malloc(argc*sizeof(char*));
 601         char argtmp[128];
 602         for(i=0;i<argc;++i){
 603                 wcstombs(argtmp,wargv[i],sizeof(argtmp));
 604                 result[i]=strdup(argtmp);
 605         }
 606         return result;
 607 }
 608
 609 int _tmain(int argc, _TCHAR* wargv[]) {
 610         char **argv=convert_args_to_ascii(argc,wargv);
 611         trace_level=6;
 612
 613 #else
 614 int
 615 main (int argc, char *argv[]) {
 616 #endif
 617         linphonec_vtable.call_state_changed=linphonec_call_state_changed;
 618         linphonec_vtable.notify_presence_recv = linphonec_notify_presence_received;
 619         linphonec_vtable.new_subscription_request = linphonec_new_unknown_subscriber;
 620         linphonec_vtable.auth_info_requested = linphonec_prompt_for_auth;
 621         linphonec_vtable.display_status = linphonec_display_status;
 622         linphonec_vtable.display_message=linphonec_display_something;
 623         linphonec_vtable.display_warning=linphonec_display_warning;
 624         linphonec_vtable.display_url=linphonec_display_url;
 625         linphonec_vtable.text_received=linphonec_text_received;
 626         linphonec_vtable.dtmf_received=linphonec_dtmf_received;
 627         linphonec_vtable.refer_received=linphonec_display_refer;
 628         linphonec_vtable.notify_recv=linphonec_notify_received;
 629
 630         if (! linphonec_init(argc, argv) ) exit(EXIT_FAILURE);
 631
 632         linphonec_main_loop (linphonec, sipAddr);
 633
 634         linphonec_finish(EXIT_SUCCESS);
 635
 636         exit(EXIT_SUCCESS); /* should never reach here */
 637 }
 638
 639 /*
 640  * Initialize linphonec
 641  */
 642 static int
 643 linphonec_init(int argc, char **argv)
 644 {
 645
 646         //g_mem_set_vtable(&dbgtable);
 647
 648         /*
 649          * Set initial values for global variables
 650          */
 651         mylogfile = NULL;
 652
 653
 654 #ifndef _WIN32
 655         snprintf(configfile_name, PATH_MAX, "%s/.linphonerc",
 656                         getenv("HOME"));
 657 #elif defined(_WIN32_WCE)
 658         strncpy(configfile_name,PACKAGE_DIR "\\linphonerc",PATH_MAX);
 659         mylogfile=fopen(PACKAGE_DIR "\\" "linphonec.log","w");
 660         printf("Logs are redirected in" PACKAGE_DIR "\\linphonec.log");
 661 #else
 662         snprintf(configfile_name, PATH_MAX, "%s/Linphone/linphonerc",
 663                         getenv("APPDATA"));
 664 #endif
 665         /* Handle configuration filename changes */
 666         switch (handle_configfile_migration())
 667         {
 668                 case -1: /* error during file copies */
 669                         fprintf(stderr,
 670                                 "Error in configuration file migration\n");
 671                         break;
 672
 673                 case 0: /* nothing done */
 674                 case 1: /* migrated */
 675                 default:
 676                         break;
 677         }
 678
 679 #ifdef ENABLE_NLS
 680         if (NULL == bindtextdomain (GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR))
 681                 perror ("bindtextdomain failed");
 682 #ifndef __ARM__
 683         bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
 684 #endif
 685         textdomain (GETTEXT_PACKAGE);
 686 #else
 687         printf ("NLS disabled.\n");
 688 #endif
 689
 690         linphonec_parse_cmdline(argc, argv);
 691
 692         if (trace_level > 0)
 693         {
 694                 if (logfile_name != NULL)
 695                         mylogfile = fopen (logfile_name, "w+");
 696
 697                 if (mylogfile == NULL)
 698                 {
 699                         mylogfile = stdout;
 700                         fprintf (stderr,
 701                                  "INFO: no logfile, logging to stdout\n");
 702                 }
 703                 linphone_core_enable_logs(mylogfile);
 704         }
 705         else
 706         {
 707                 linphone_core_disable_logs();
 708         }
 709         /*
 710          * Initialize auth stack
 711          */
 712         auth_stack.nitems=0;
 713
 714         /*
 715          * Initialize linphone core
 716          */
 717         linphonec=linphone_core_new (&linphonec_vtable, configfile_name, factory_configfile_name, NULL);
 718         linphone_core_enable_video(linphonec,vcap_enabled,display_enabled);
 719         linphone_core_enable_video_preview(linphonec,preview_enabled);
 720         if (!(vcap_enabled || display_enabled)) printf("Warning: video is disabled in linphonec, use -V or -C or -D to enable.\n");
 721 #ifdef HAVE_READLINE
 722         /*
 723          * Initialize readline
 724          */
 725         linphonec_initialize_readline();
 726 #endif
 727 #if !defined(_WIN32_WCE)
 728         /*
 729          * Initialize signal handlers
 730          */
 731         signal(SIGTERM, linphonec_finish);
 732         signal(SIGINT, linphonec_finish);
 733 #endif /*_WIN32_WCE*/
 734         return 1;
 735 }
 736
 737
 738 void linphonec_main_loop_exit(void){
 739         linphonec_running=FALSE;
 740 }
 741
 742 /*
 743  * Close linphonec, cleanly terminating
 744  * any pending call
 745  */
 746 void
 747 linphonec_finish(int exit_status)
 748 {
 749         // Do not allow concurrent destroying to prevent glibc errors
 750         static bool_t terminating=FALSE;
 751         if (terminating) return;
 752         terminating=TRUE;
 753         linphonec_out("Terminating...\n");
 754
 755         /* Terminate any pending call */
 756         linphone_core_terminate_all_calls(linphonec);
 757 #ifdef HAVE_READLINE
 758         linphonec_finish_readline();
 759 #endif
 760 #if !defined(_WIN32_WCE)
 761         if (pipe_reader_run)
 762                 stop_pipe_reader();
 763 #endif /*_WIN32_WCE*/
 764
 765         linphone_core_destroy (linphonec);
 766
 767         if (mylogfile != NULL && mylogfile != stdout)
 768         {
 769                 fclose (mylogfile);
 770         }
 771         printf("\n");
 772         exit(exit_status);
 773
 774 }
 775
 776 /*
 777  * This is called from idle_call() whenever
 778  * pending_auth != NULL.
 779  *
 780  * It prompts user for a password.
 781  * Hitting ^D (EOF) would make this function
 782  * return 0 (Cancel).
 783  * Any other input would try to set linphone core
 784  * auth_password for the pending_auth, add the auth_info
 785  * and return 1.
 786  */
 787 int
 788 linphonec_prompt_for_auth_final(LinphoneCore *lc)
 789 {
 790         char *input, *iptr;
 791         char auth_prompt[256];
 792 #ifdef HAVE_READLINE
 793         rl_hook_func_t *old_event_hook;
 794 #endif
 795         LinphoneAuthInfo *pending_auth=auth_stack.elem[auth_stack.nitems-1];
 796
 797         snprintf(auth_prompt, 256, "Password for %s on %s: ",
 798                 pending_auth->username, pending_auth->realm);
 799
 800         printf("\n");
 801 #ifdef HAVE_READLINE
 802         /*
 803          * Disable event hook to avoid entering an
 804          * infinite loop. This would prevent idle_call
 805          * from being called during authentication reads.
 806          * Note that it might be undesiderable...
 807          */
 808         old_event_hook=rl_event_hook;
 809         rl_event_hook=NULL;
 810 #endif
 811
 812         while (1)
 813         {
 814                 input=linphonec_readline(auth_prompt);
 815
 816                 /*
 817                  * If EOF (^D) is sent you probably don't want
 818                  * to provide an auth password... should give up
 819                  * the operation, but there's no mechanism to
 820                  * send this info back to caller currently...
 821                  */
 822                 if ( ! input )
 823                 {
 824                         printf("Cancel requested, but not implemented.\n");
 825                         continue;
 826                 }
 827
 828                 /* Strip blanks */
 829                 iptr=lpc_strip_blanks(input);
 830
 831                 /*
 832                  * Only blanks, continue asking
 833                  */
 834                 if ( ! *iptr )
 835                 {
 836                         free(input);
 837                         continue;
 838                 }
 839
 840                 /* Something typed, let's try */
 841                 break;
 842         }
 843
 844         /*
 845          * No check is done here to ensure password is correct.
 846          * I guess password will be asked again later.
 847          */
 848         linphone_auth_info_set_passwd(pending_auth, input);
 849         linphone_core_add_auth_info(lc, pending_auth);
 850         linphone_auth_info_destroy(pending_auth);
 851         auth_stack.elem[auth_stack.nitems-1]=0;
 852         --(auth_stack.nitems);
 853 #ifdef HAVE_READLINE
 854         /*
 855          * Reset line_buffer, to avoid the password
 856          * to be used again from outer readline
 857          */
 858         rl_line_buffer[0]='\0';
 859         rl_event_hook=old_event_hook;
 860 #endif
 861         return 1;
 862 }
 863
 864 void
 865 print_usage (int exit_status)
 866 {
 867         fprintf (stdout, "\n\
 868 usage: linphonec [-c file] [-s sipaddr] [-a] [-V] [-d level ] [-l logfile]\n\
 869        linphonec -v\n\
 870 \n\
 871   -b  file             specify path of readonly factory configuration file.\n\
 872   -c  file             specify path of configuration file.\n\
 873   -d  level            be verbose. 0 is no output. 6 is all output\n\
 874   -l  logfile          specify the log file for your SIP phone\n\
 875   -s  sipaddress       specify the sip call to do at startup\n\
 876   -a                   enable auto answering for incoming calls\n\
 877   -V                   enable video features globally (disabled by default)\n\
 878   -C                   enable video capture only (disabled by default)\n\
 879   -D                   enable video display only (disabled by default)\n\
 880   -S                   show general state messages (disabled by default)\n\
 881   -v or --version      display version and exits.\n");
 882
 883         exit(exit_status);
 884 }
 885
 886 #ifdef VIDEO_ENABLED
 887
 888 #ifdef HAVE_X11_XLIB_H
 889 static void x11_apply_video_params(VideoParams *params, Window window){
 890         XWindowChanges wc;
 891         unsigned int flags=0;
 892         static Display *display = NULL;
 893         const char *dname=getenv("DISPLAY");
 894
 895         if (display==NULL && dname!=NULL){
 896                 display=XOpenDisplay(dname);
 897         }
 898
 899         if (display==NULL){
 900                 ms_error("Could not open display %s",dname);
 901                 return;
 902         }
 903         memset(&wc,0,sizeof(wc));
 904         wc.x=params->x;
 905         wc.y=params->y;
 906         wc.width=params->w;
 907         wc.height=params->h;
 908         if (params->x!=-1 ){
 909                 flags|=CWX|CWY;
 910         }
 911         if (params->w!=-1){
 912                 flags|=CWWidth|CWHeight;
 913         }
 914         /*printf("XConfigureWindow x=%i,y=%i,w=%i,h=%i\n",
 915                wc.x, wc.y ,wc.width, wc.height);*/
 916         XConfigureWindow(display,window,flags,&wc);
 917         if (params->show)
 918                 XMapWindow(display,window);
 919         else
 920                 XUnmapWindow(display,window);
 921         XSync(display,FALSE);
 922 }
 923 #endif
 924
 925
 926 static void lpc_apply_video_params(){
 927         static unsigned long old_wid=0,old_pwid=0;
 928         unsigned long wid=linphone_core_get_native_video_window_id (linphonec);
 929         unsigned long pwid=linphone_core_get_native_preview_window_id (linphonec);
 930
 931         if (wid!=0 && (lpc_video_params.refresh || old_wid!=wid)){
 932                 lpc_video_params.refresh=FALSE;
 933 #ifdef HAVE_X11_XLIB_H
 934                 if (lpc_video_params.wid==0){  // do not manage window if embedded
 935                         x11_apply_video_params(&lpc_video_params,wid);
 936                 }
 937 #endif
 938         }
 939         old_wid=wid;
 940         if (pwid!=0 && (lpc_preview_params.refresh || old_pwid!=pwid)){
 941                 lpc_preview_params.refresh=FALSE;
 942 #ifdef HAVE_X11_XLIB_H
 943                 /*printf("wid=%lu pwid=%lu\n",wid,pwid);*/
 944                 if (lpc_preview_params.wid==0){  // do not manage window if embedded
 945                         printf("Refreshing\n");
 946                         x11_apply_video_params(&lpc_preview_params,pwid);
 947                 }
 948 #endif
 949         }
 950         old_pwid=pwid;
 951 }
 952
 953 #endif
 954
 955
 956 /*
 957  *
 958  * Called every second from main read loop.
 959  *
 960  * Will use the following globals:
 961  *
 962  *  - LinphoneCore linphonec
 963  *  - LPC_AUTH_STACK auth_stack;
 964  *
 965  */
 966 static int
 967 linphonec_idle_call ()
 968 {
 969         LinphoneCore *opm=linphonec;
 970
 971         /* Uncomment the following to verify being called */
 972         /* printf(".\n"); */
 973
 974         linphone_core_iterate(opm);
 975         if (answer_call){
 976                 fprintf (stdout, "-------auto answering to call-------\n" );
 977                 linphone_core_accept_call(opm,NULL);
 978                 answer_call=FALSE;
 979         }
 980
 981         if ( auth_stack.nitems )
 982         {
 983                 /*
 984                  * Inhibit command completion
 985                  * during password prompts
 986                  */
 987 #ifdef HAVE_READLINE
 988                 rl_inhibit_completion=1;
 989 #endif
 990                 linphonec_prompt_for_auth_final(opm);
 991 #ifdef HAVE_READLINE
 992                 rl_inhibit_completion=0;
 993 #endif
 994         }
 995
 996 #ifdef VIDEO_ENABLED
 997         lpc_apply_video_params();
 998 #endif
 999
1000         return 0;
1001 }
1002
1003 #ifdef HAVE_READLINE
1004 /*
1005  * Use globals:
1006  *
1007  *      - char *histfile_name (also sets this)
1008  *      - char *last_in_history (allocates it)
1009  */
1010 static int
1011 linphonec_initialize_readline()
1012 {
1013         /*rl_bind_key('\t', rl_insert);*/
1014
1015         /* Allow conditional parsing of ~/.inputrc */
1016         rl_readline_name = "linphonec";
1017
1018         /* Call idle_call() every second */
1019         rl_set_keyboard_input_timeout(LPC_READLINE_TIMEOUT);
1020         rl_event_hook=linphonec_idle_call;
1021
1022         /* Set history file and read it */
1023         histfile_name = ms_strdup_printf ("%s/.linphonec_history",
1024                 getenv("HOME"));
1025         read_history(histfile_name);
1026
1027         /* Initialized last_in_history cache*/
1028         last_in_history[0] = '\0';
1029
1030         /* Register a completion function */
1031         rl_attempted_completion_function = linephonec_readline_completion;
1032
1033         /* printf("Readline initialized.\n"); */
1034         setlinebuf(stdout);
1035         return 0;
1036 }
1037
1038 /*
1039  * Uses globals:
1040  *
1041  *      - char *histfile_name (writes history to file and frees it)
1042  *      - char *last_in_history (frees it)
1043  *
1044  */
1045 static int
1046 linphonec_finish_readline()
1047 {
1048
1049         stifle_history(HISTSIZE);
1050         write_history(histfile_name);
1051         free(histfile_name);
1052         histfile_name=NULL;
1053         return 0;
1054 }
1055
1056 #endif
1057
1058 static void print_prompt(LinphoneCore *opm){
1059 #ifdef IDENTITY_AS_PROMPT
1060         snprintf(prompt, PROMPT_MAX_LEN, "%s> ",
1061                 linphone_core_get_primary_contact(opm));
1062 #else
1063         snprintf(prompt, PROMPT_MAX_LEN, "linphonec> ");
1064 #endif
1065 }
1066
1067 static int
1068 linphonec_main_loop (LinphoneCore * opm, char * sipAddr)
1069 {
1070         char buf[LINE_MAX_LEN]; /* auto call handling */
1071         char *input;
1072
1073         print_prompt(opm);
1074
1075
1076         /* auto call handling */
1077         if (sipAddr != NULL )
1078         {
1079                 snprintf (buf, sizeof(buf),"call %s", sipAddr);
1080                 linphonec_parse_command_line(linphonec, buf);
1081         }
1082
1083         while (linphonec_running && (input=linphonec_readline(prompt)))
1084         {
1085                 char *iptr; /* input and input pointer */
1086                 size_t input_len;
1087
1088                 /* Strip blanks */
1089                 iptr=lpc_strip_blanks(input);
1090
1091                 input_len = strlen(iptr);
1092
1093                 /*
1094                  * Do nothing but release memory
1095                  * if only blanks are read
1096                  */
1097                 if ( ! input_len )
1098                 {
1099                         free(input);
1100                         continue;
1101                 }
1102
1103 #ifdef HAVE_READLINE
1104                 /*
1105                  * Only add to history if not already
1106                  * last item in it, and only if the command
1107                  * doesn't start with a space (to allow for
1108                  * hiding passwords)
1109                  */
1110                 if ( iptr == input && strcmp(last_in_history, iptr) )
1111                 {
1112                         strncpy(last_in_history,iptr,sizeof(last_in_history));
1113                         last_in_history[sizeof(last_in_history)-1]='\0';
1114                         add_history(iptr);
1115                 }
1116 #endif
1117
1118                 linphonec_parse_command_line(linphonec, iptr);
1119                 linphonec_command_finished();
1120                 free(input);
1121         }
1122
1123         return 0;
1124 }
1125
1126 /*
1127  *  Parse command line switches
1128  *
1129  *  Use globals:
1130  *
1131  *      - int trace_level
1132  *      - char *logfile_name
1133  *      - char *configfile_name
1134  *      - char *sipAddr
1135  */
1136 static int
1137 linphonec_parse_cmdline(int argc, char **argv)
1138 {
1139         int arg_num=1;
1140
1141         while (arg_num < argc)
1142         {
1143                 int old_arg_num = arg_num;
1144                 if (strncmp ("-d", argv[arg_num], 2) == 0)
1145                 {
1146                         arg_num++;
1147                         if (arg_num < argc)
1148                                 trace_level = atoi (argv[arg_num]);
1149                         else
1150                                 trace_level = 1;
1151                 }
1152                 else if (strncmp ("-l", argv[arg_num], 2) == 0)
1153                 {
1154                         arg_num++;
1155                         if (arg_num < argc)
1156                                 logfile_name = argv[arg_num];
1157                 }
1158                 else if (strncmp ("-c", argv[arg_num], 2) == 0)
1159                 {
1160                         if ( ++arg_num >= argc ) print_usage(EXIT_FAILURE);
1161 #if !defined(_WIN32_WCE)
1162                         if (access(argv[arg_num],F_OK)!=0 )
1163                         {
1164                                 fprintf (stderr,
1165                                         "Cannot open config file %s.\n",
1166                                          argv[arg_num]);
1167                                 exit(EXIT_FAILURE);
1168                         }
1169 #endif /*_WIN32_WCE*/
1170                         snprintf(configfile_name, PATH_MAX, "%s", argv[arg_num]);
1171                 }
1172                 else if (strncmp ("-b", argv[arg_num], 2) == 0)
1173                 {
1174                         if ( ++arg_num >= argc ) print_usage(EXIT_FAILURE);
1175 #if !defined(_WIN32_WCE)
1176                         if (access(argv[arg_num],F_OK)!=0 )
1177                         {
1178                                 fprintf (stderr,
1179                                         "Cannot open config file %s.\n",
1180                                          argv[arg_num]);
1181                                 exit(EXIT_FAILURE);
1182                         }
1183 #endif /*_WIN32_WCE*/
1184                         factory_configfile_name = argv[arg_num];
1185                 }
1186                 else if (strncmp ("-s", argv[arg_num], 2) == 0)
1187                 {
1188                         arg_num++;
1189                         if (arg_num < argc)
1190                                 sipAddr = argv[arg_num];
1191                 }
1192                 else if (strncmp ("-a", argv[arg_num], 2) == 0)
1193                 {
1194                         auto_answer = TRUE;
1195                 }
1196                 else if (strncmp ("-C", argv[arg_num], 2) == 0)
1197                 {
1198                         vcap_enabled = TRUE;
1199                 }
1200                 else if (strncmp ("-D", argv[arg_num], 2) == 0)
1201                 {
1202                         display_enabled = TRUE;
1203                 }
1204                 else if (strncmp ("-V", argv[arg_num], 2) == 0)
1205                 {
1206                         display_enabled = TRUE;
1207                         vcap_enabled = TRUE;
1208                         preview_enabled=TRUE;
1209                 }
1210                 else if ((strncmp ("-v", argv[arg_num], 2) == 0)
1211                          ||
1212                          (strncmp
1213                           ("--version", argv[arg_num],
1214                            strlen ("--version")) == 0))
1215                 {
1216 #if !defined(_WIN32_WCE)
1217                         printf ("version: " LINPHONE_VERSION "\n");
1218 #endif
1219                         exit (EXIT_SUCCESS);
1220                 }
1221                 else if (strncmp ("-S", argv[arg_num], 2) == 0)
1222                 {
1223                         show_general_state = TRUE;
1224                 }
1225                 else if (strncmp ("--pipe", argv[arg_num], 6) == 0)
1226                 {
1227                         unix_socket=1;
1228                 }
1229                 else if (old_arg_num == arg_num)
1230                 {
1231                         fprintf (stderr, "ERROR: bad arguments\n");
1232                         print_usage (EXIT_FAILURE);
1233                 }
1234                 arg_num++;
1235         }
1236
1237         return 1;
1238 }
1239
1240 /*
1241  * Up to version 1.2.1 linphone used ~/.linphonec for
1242  * CLI and ~/.gnome2/linphone for GUI as configuration file.
1243  * In newer version both interfaces will use ~/.linphonerc.
1244  *
1245  * This function helps transparently migrating from one
1246  * to the other layout using the following heuristic:
1247  *
1248  *      IF new_config EXISTS => do nothing
1249  *      ELSE IF old_cli_config EXISTS => copy to new_config
1250  *      ELSE IF old_gui_config EXISTS => copy to new_config
1251  *
1252  * Returns:
1253  *       0 if it did nothing
1254  *       1 if it migrated successfully
1255  *      -1 on error
1256  */
1257 static int
1258 handle_configfile_migration()
1259 {
1260 #if !defined(_WIN32_WCE)
1261         char *old_cfg_gui;
1262         char *old_cfg_cli;
1263         char *new_cfg;
1264 #if !defined(_WIN32_WCE)
1265         const char *home = getenv("HOME");
1266 #else
1267         const char *home = ".";
1268 #endif /*_WIN32_WCE*/
1269         new_cfg = ms_strdup_printf("%s/.linphonerc", home);
1270
1271         /*
1272          * If the *NEW* configuration already exists
1273          * do nothing.
1274          */
1275         if (access(new_cfg,F_OK)==0)
1276         {
1277                 free(new_cfg);
1278                 return 0;
1279         }
1280
1281         old_cfg_cli = ms_strdup_printf("%s/.linphonec", home);
1282
1283         /*
1284          * If the *OLD* CLI configurations exist copy it to
1285          * the new file and make it a symlink.
1286          */
1287         if (access(old_cfg_cli, F_OK)==0)
1288         {
1289                 if ( ! copy_file(old_cfg_cli, new_cfg) )
1290                 {
1291                         free(old_cfg_cli);
1292                         free(new_cfg);
1293                         return -1;
1294                 }
1295                 printf("%s copied to %s\n", old_cfg_cli, new_cfg);
1296                 free(old_cfg_cli);
1297                 free(new_cfg);
1298                 return 1;
1299         }
1300
1301         free(old_cfg_cli);
1302         old_cfg_gui = ms_strdup_printf("%s/.gnome2/linphone", home);
1303
1304         /*
1305          * If the *OLD* GUI configurations exist copy it to
1306          * the new file and make it a symlink.
1307          */
1308         if (access(old_cfg_gui, F_OK)==0)
1309         {
1310                 if ( ! copy_file(old_cfg_gui, new_cfg) )
1311                 {
1312                         exit(EXIT_FAILURE);
1313                         free(old_cfg_gui);
1314                         free(new_cfg);
1315                         return -1;
1316                 }
1317                 printf("%s copied to %s\n", old_cfg_gui, new_cfg);
1318                 free(old_cfg_gui);
1319                 free(new_cfg);
1320                 return 1;
1321         }
1322
1323         free(old_cfg_gui);
1324         free(new_cfg);
1325 #endif /*_WIN32_WCE*/
1326         return 0;
1327 }
1328 #if !defined(_WIN32_WCE)
1329 /*
1330  * Copy file "from" to file "to".
1331  * Destination file is truncated if existing.
1332  * Return 1 on success, 0 on error (printing an error).
1333  */
1334 static int
1335 copy_file(const char *from, const char *to)
1336 {
1337         char message[256];
1338         FILE *in, *out;
1339         char buf[256];
1340         size_t n;
1341
1342         /* Open "from" file for reading */
1343         in=fopen(from, "r");
1344         if ( in == NULL )
1345         {
1346                 snprintf(message, 255, "Can't open %s for reading: %s\n",
1347                         from, strerror(errno));
1348                 fprintf(stderr, "%s", message);
1349                 return 0;
1350         }
1351
1352         /* Open "to" file for writing (will truncate existing files) */
1353         out=fopen(to, "w");
1354         if ( out == NULL )
1355         {
1356                 snprintf(message, 255, "Can't open %s for writing: %s\n",
1357                         to, strerror(errno));
1358                 fprintf(stderr, "%s", message);
1359                 return 0;
1360         }
1361
1362         /* Copy data from "in" to "out" */
1363         while ( (n=fread(buf, 1, sizeof buf, in)) > 0 )
1364         {
1365                 if ( ! fwrite(buf, 1, n, out) )
1366                 {
1367                         return 0;
1368                 }
1369         }
1370
1371         fclose(in);
1372         fclose(out);
1373
1374         return 1;
1375 }
1376 #endif /*_WIN32_WCE*/
1377
1378 #ifdef HAVE_READLINE
1379 static char **
1380 linephonec_readline_completion(const char *text, int start, int end)
1381 {
1382         char **matches = NULL;
1383
1384         /*
1385          * Prevent readline from falling
1386          * back to filename-completion
1387          */
1388         rl_attempted_completion_over=1;
1389
1390         /*
1391          * If this is the start of line we complete with commands
1392          */
1393         if ( ! start )
1394         {
1395                 return rl_completion_matches(text, linphonec_command_generator);
1396         }
1397
1398         /*
1399          * Otherwise, we should peek at command name
1400          * or context to implement a smart completion.
1401          * For example: "call .." could return
1402          * friends' sip-uri as matches
1403          */
1404
1405         return matches;
1406 }
1407
1408 #endif
1409
1410 /*
1411  * Strip blanks from a string.
1412  * Return a pointer into the provided string.
1413  * Modifies input adding a NULL at first
1414  * of trailing blanks.
1415  */
1416 char *
1417 lpc_strip_blanks(char *input)
1418 {
1419         char *iptr;
1420
1421         /* Find first non-blank */
1422         while(*input && isspace(*input)) ++input;
1423
1424         /* Find last non-blank */
1425         iptr=input+strlen(input);
1426         if (iptr > input) {
1427                 while(isspace(*--iptr));
1428                 *(iptr+1)='\0';
1429         }
1430
1431         return input;
1432 }
1433
1434 /****************************************************************************
1435  *
1436  * $Log: linphonec.c,v $
1437  * Revision 1.57  2007/11/14 13:40:27  smorlat
1438  * fix --disable-video build.
1439  *
1440  * Revision 1.56  2007/09/26 14:07:27  fixkowalski
1441  * - ANSI/C++ compilation issues with non-GCC compilers
1442  * - Faster epm-based packaging
1443  * - Ability to build & run on FC6's eXosip/osip
1444  *
1445  * Revision 1.55  2007/09/24 16:01:58  smorlat
1446  * fix bugs.
1447  *
1448  * Revision 1.54  2007/08/22 14:06:11  smorlat
1449  * authentication bugs fixed.
1450  *
1451  * Revision 1.53  2007/02/13 21:31:01  smorlat
1452  * added patch for general state.
1453  * new doxygen for oRTP
1454  * gtk-doc removed.
1455  *
1456  * Revision 1.52  2007/01/10 14:11:24  smorlat
1457  * add --video to linphonec.
1458  *
1459  * Revision 1.51  2006/08/21 12:49:59  smorlat
1460  * merged several little patches.
1461  *
1462  * Revision 1.50  2006/07/26 08:17:28  smorlat
1463  * fix bugs.
1464  *
1465  * Revision 1.49  2006/07/17 18:45:00  smorlat
1466  * support for several event queues in ortp.
1467  * glib dependency removed from coreapi/ and console/
1468  *
1469  * Revision 1.48  2006/04/09 12:45:32  smorlat
1470  * linphonec improvements.
1471  *
1472  * Revision 1.47  2006/04/04 08:04:34  smorlat
1473  * switched to mediastreamer2, most bugs fixed.
1474  *
1475  * Revision 1.46  2006/03/16 17:17:40  smorlat
1476  * fix various bugs.
1477  *
1478  * Revision 1.45  2006/03/12 21:48:31  smorlat
1479  * gcc-2.95 compile error fixed.
1480  * mediastreamer2 in progress
1481  *
1482  * Revision 1.44  2006/03/04 11:17:10  smorlat
1483  * mediastreamer2 in progress.
1484  *
1485  * Revision 1.43  2006/02/13 09:50:50  strk
1486  * fixed unused variable warning.
1487  *
1488  * Revision 1.42  2006/02/02 15:39:18  strk
1489  * - Added 'friend list' and 'friend call' commands
1490  * - Allowed for multiple DTFM send in a single line
1491  * - Added status-specific callback (bare version)
1492  *
1493  * Revision 1.41  2006/02/02 13:30:05  strk
1494  * - Padded vtable with missing callbacks
1495  *   (fixing a segfault on friends subscription)
1496  * - Handled friends notify (bare version)
1497  * - Handled text messages receive (bare version)
1498  * - Printed message on subscription request (bare version)
1499  *
1500  * Revision 1.40  2006/01/26 09:48:05  strk
1501  * Added limits.h include
1502  *
1503  * Revision 1.39  2006/01/26 02:11:01  strk
1504  * Removed unused variables, fixed copyright date
1505  *
1506  * Revision 1.38  2006/01/25 18:33:02  strk
1507  * Removed the -t swich, terminate_on_close made the default behaviour
1508  *
1509  * Revision 1.37  2006/01/20 14:12:34  strk
1510  * Added linphonec_init() and linphonec_finish() functions.
1511  * Handled SIGINT and SIGTERM to invoke linphonec_finish().
1512  * Handling of auto-termination (-t) moved to linphonec_finish().
1513  * Reworked main (input read) loop to not rely on 'terminate'
1514  * and 'run' variable (dropped). configfile_name allocated on stack
1515  * using PATH_MAX limit. Changed print_usage signature to allow
1516  * for an exit_status specification.
1517  *
1518  * Revision 1.36  2006/01/18 09:25:32  strk
1519  * Command completion inhibited in proxy addition and auth request prompts.
1520  * Avoided use of readline's internal filename completion.
1521  *
1522  * Revision 1.35  2006/01/14 13:29:32  strk
1523  * Reworked commands interface to use a table structure,
1524  * used by command line parser and help function.
1525  * Implemented first level of completion (commands).
1526  * Added notification of invalid "answer" and "terminate"
1527  * commands (no incoming call, no active call).
1528  * Forbidden "call" intialization when a call is already active.
1529  * Cleaned up all commands, adding more feedback and error checks.
1530  *
1531  * Revision 1.34  2006/01/13 13:00:29  strk
1532  * Added linphonec.h. Code layout change (added comments, forward decl,
1533  * globals on top, copyright notices and Logs). Handled out-of-memory
1534  * condition on history management. Removed assumption on sizeof(char).
1535  * Fixed bug in authentication prompt (introduced by readline).
1536  * Added support for multiple authentication requests (up to MAX_PENDING_AUTH).
1537  *
1538  *
1539  ****************************************************************************/
1540