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 #include <stdlib.h>
  38
  39 #include <linphonecore.h>
  40
  41 #include "linphonec.h"
  42
  43 #ifdef WIN32
  44 #include <ws2tcpip.h>
  45 #include <ctype.h>
  46 #ifndef _WIN32_WCE
  47 #include <conio.h>
  48 #endif /*_WIN32_WCE*/
  49 #else
  50 #include <sys/socket.h>
  51 #include <netdb.h>
  52 #include <sys/un.h>
  53 #include <sys/stat.h>
  54 #endif
  55
  56 #if defined(_WIN32_WCE)
  57
  58 #if !defined(PATH_MAX)
  59 #define PATH_MAX 256
  60 #endif /*PATH_MAX*/
  61
  62 #if !defined(strdup)
  63 #define strdup _strdup
  64 #endif /*strdup*/
  65
  66 #endif /*_WIN32_WCE*/
  67
  68 #ifdef HAVE_GETTEXT
  69 #include <libintl.h>
  70 #ifndef _
  71 #define _(String) gettext(String)
  72 #endif
  73 #else
  74 #define _(something)    (something)
  75 #endif
  76
  77 #ifndef PACKAGE_DIR
  78 #define PACKAGE_DIR ""
  79 #endif
  80
  81 #ifdef HAVE_X11_XLIB_H
  82 #include <X11/Xlib.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 static int window_id = 0; /* 0=standalone window, or window id for embedding video */
 166 #if !defined(_WIN32_WCE)
 167 static ortp_pipe_t client_sock=ORTP_PIPE_INVALID;
 168 #endif /*_WIN32_WCE*/
 169 char prompt[PROMPT_MAX_LEN];
 170 #if !defined(_WIN32_WCE)
 171 static ortp_thread_t pipe_reader_th;
 172 static bool_t pipe_reader_run=FALSE;
 173 #endif /*_WIN32_WCE*/
 174 #if !defined(_WIN32_WCE)
 175 static ortp_pipe_t server_sock;
 176 #endif /*_WIN32_WCE*/
 177
 178 bool_t linphonec_camera_enabled=TRUE;
 179
 180
 181
 182 void linphonec_call_identify(LinphoneCall* call){
 183         static long callid=1;
 184         linphone_call_set_user_pointer (call,(void*)callid);
 185         callid++;
 186 }
 187
 188 LinphoneCall *linphonec_get_call(long id){
 189         const MSList *elem=linphone_core_get_calls(linphonec);
 190         for (;elem!=NULL;elem=elem->next){
 191                 LinphoneCall *call=(LinphoneCall*)elem->data;
 192                 if (linphone_call_get_user_pointer (call)==(void*)id){
 193                         return call;
 194                 }
 195         }
 196         linphonec_out("Sorry, no call with id %i exists at this time.\n",id);
 197         return NULL;
 198 }
 199
 200 /***************************************************************************
 201  *
 202  * Linphone core callbacks
 203  *
 204  ***************************************************************************/
 205
 206 /*
 207  * Linphone core callback
 208  */
 209 static void
 210 linphonec_display_refer (LinphoneCore * lc, const char *refer_to)
 211 {
 212         linphonec_out("Receiving out of call refer to %s\n", refer_to);
 213 }
 214
 215 /*
 216  * Linphone core callback
 217  */
 218 static void
 219 linphonec_display_something (LinphoneCore * lc, const char *something)
 220 {
 221         fprintf (stdout, "%s\n%s", something,prompt);
 222         fflush(stdout);
 223 }
 224
 225 /*
 226  * Linphone core callback
 227  */
 228 static void
 229 linphonec_display_status (LinphoneCore * lc, const char *something)
 230 {
 231         fprintf (stdout, "%s\n%s", something,prompt);
 232         fflush(stdout);
 233 }
 234
 235 /*
 236  * Linphone core callback
 237  */
 238 static void
 239 linphonec_display_warning (LinphoneCore * lc, const char *something)
 240 {
 241         fprintf (stdout, "Warning: %s\n%s", something,prompt);
 242         fflush(stdout);
 243 }
 244
 245 /*
 246  * Linphone core callback
 247  */
 248 static void
 249 linphonec_display_url (LinphoneCore * lc, const char *something, const char *url)
 250 {
 251         fprintf (stdout, "%s : %s\n", something, url);
 252 }
 253
 254 /*
 255  * Linphone core callback
 256  */
 257 static void
 258 linphonec_prompt_for_auth(LinphoneCore *lc, const char *realm, const char *username)
 259 {
 260         /* no prompt possible when using pipes or tcp mode*/
 261         if (unix_socket){
 262                 linphone_core_abort_authentication(lc,NULL);
 263         }else{
 264                 LinphoneAuthInfo *pending_auth;
 265
 266                 if ( auth_stack.nitems+1 > MAX_PENDING_AUTH )
 267                 {
 268                         fprintf(stderr,
 269                                 "Can't accept another authentication request.\n"
 270                                 "Consider incrementing MAX_PENDING_AUTH macro.\n");
 271                         return;
 272                 }
 273
 274                 pending_auth=linphone_auth_info_new(username,NULL,NULL,NULL,realm);
 275                 auth_stack.elem[auth_stack.nitems++]=pending_auth;
 276         }
 277 }
 278
 279 /*
 280  * Linphone core callback
 281  */
 282 static void
 283 linphonec_notify_received(LinphoneCore *lc, LinphoneCall *call, const char *from,const char *event)
 284 {
 285         if(!strcmp(event,"refer"))
 286         {
 287                 linphonec_out("The distand endpoint %s of call %li has been transfered, you can safely close the call.\n",
 288                               from,(long)linphone_call_get_user_pointer (call));
 289         }
 290 }
 291
 292
 293 /*
 294  * Linphone core callback
 295  */
 296 static void
 297 linphonec_notify_presence_received(LinphoneCore *lc,LinphoneFriend *fid)
 298 {
 299         char *tmp=linphone_address_as_string(linphone_friend_get_address(fid));
 300         printf("Friend %s is %s\n", tmp, linphone_online_status_to_string(linphone_friend_get_status(fid)));
 301         ms_free(tmp);
 302         // todo: update Friend list state (unimplemented)
 303 }
 304
 305 /*
 306  * Linphone core callback
 307  */
 308 static void
 309 linphonec_new_unknown_subscriber(LinphoneCore *lc, LinphoneFriend *lf,
 310                 const char *url)
 311 {
 312         printf("Friend %s requested subscription "
 313                 "(accept/deny is not implemented yet)\n", url);
 314         // This means that this person wishes to be notified
 315         // of your presence information (online, busy, away...).
 316
 317 }
 318
 319 static void linphonec_call_updated(LinphoneCall *call){
 320         const LinphoneCallParams *cp=linphone_call_get_current_params(call);
 321         if (!linphone_call_camera_enabled (call) && linphone_call_params_video_enabled (cp)){
 322                 linphonec_out("Far end requests to share video.\nType 'camera on' if you agree.\n");
 323         }
 324 }
 325
 326 static void linphonec_call_state_changed(LinphoneCore *lc, LinphoneCall *call, LinphoneCallState st, const char *msg){
 327         char *from=linphone_call_get_remote_address_as_string(call);
 328         long id=(long)linphone_call_get_user_pointer (call);
 329         switch(st){
 330                 case LinphoneCallEnd:
 331                         linphonec_out("Call %i with %s ended.\n", id, from);
 332                 break;
 333                 case LinphoneCallResuming:
 334                         linphonec_out("Resuming call %i with %s.\n", id, from);
 335                 break;
 336                 case LinphoneCallStreamsRunning:
 337                         linphonec_out("Media streams established with %s for call %i.\n", from,id);
 338                 break;
 339                 case LinphoneCallPausing:
 340                         linphonec_out("Pausing call %i with %s.\n", id, from);
 341                 break;
 342                 case LinphoneCallPaused:
 343                         linphonec_out("Call %i with %s is now paused.\n", id, from);
 344                 break;
 345                 case LinphoneCallPausedByRemote:
 346                         linphonec_out("Call %i has been paused by %s.\n",id,from);
 347                 break;
 348                 case LinphoneCallIncomingReceived:
 349                         linphonec_call_identify(call);
 350                         linphone_call_enable_camera (call,linphonec_camera_enabled);
 351                         id=(long)linphone_call_get_user_pointer (call);
 352                         linphonec_set_caller(from);
 353                         if ( auto_answer)  {
 354                                 answer_call=TRUE;
 355                         }
 356                         linphonec_out("Receiving new incoming call from %s, assigned id %i\n", from,id);
 357                 break;
 358                 case LinphoneCallOutgoingInit:
 359                         linphonec_call_identify(call);
 360                         id=(long)linphone_call_get_user_pointer (call);
 361                         from=linphone_call_get_remote_address_as_string(call);
 362                         linphonec_out("Establishing call id to %s, assigned id %i\n", from,id);
 363                 break;
 364                 case LinphoneCallUpdatedByRemote:
 365                         linphonec_call_updated(call);
 366                 break;
 367                 case LinphoneCallOutgoingProgress:
 368                         linphonec_out("Call %i to %s in progress.\n", id, from);
 369                         break;
 370                 case LinphoneCallOutgoingRinging:
 371                         linphonec_out("Call %i to %s ringing.\n", id, from);
 372                         break;
 373                 case LinphoneCallConnected:
 374                         linphonec_out("Call %i with %s connected.\n", id, from);
 375                         break;
 376                 case LinphoneCallOutgoingEarlyMedia:
 377                         linphonec_out("Call %i with %s early media.\n", id, from);
 378                         break;
 379                 case LinphoneCallError:
 380                         linphonec_out("Call %i with %s error.\n", id, from);
 381                         break;
 382                 default:
 383                 break;
 384         }
 385         ms_free(from);
 386 }
 387
 388 /*
 389  * Linphone core callback
 390  */
 391 static void
 392 linphonec_text_received(LinphoneCore *lc, LinphoneChatRoom *cr,
 393                 const LinphoneAddress *from, const char *msg)
 394 {
 395         linphonec_out("Message received from %s: %s\n", linphone_address_as_string(from), msg);
 396         // TODO: provide mechanism for answering.. ('say' command?)
 397 }
 398
 399
 400 static void linphonec_dtmf_received(LinphoneCore *lc, LinphoneCall *call, int dtmf){
 401         char *from=linphone_call_get_remote_address_as_string(call);
 402         fprintf(stdout,"Receiving tone %c from %s\n",dtmf,from);
 403         fflush(stdout);
 404         ms_free(from);
 405 }
 406
 407 static char received_prompt[PROMPT_MAX_LEN];
 408 static ms_mutex_t prompt_mutex;
 409 static bool_t have_prompt=FALSE;
 410
 411 static void *prompt_reader_thread(void *arg){
 412         char *ret;
 413         char tmp[PROMPT_MAX_LEN];
 414         while ((ret=fgets(tmp,sizeof(tmp),stdin))!=NULL){
 415                 ms_mutex_lock(&prompt_mutex);
 416                 strcpy(received_prompt,ret);
 417                 have_prompt=TRUE;
 418                 ms_mutex_unlock(&prompt_mutex);
 419         }
 420         return NULL;
 421 }
 422
 423 static void start_prompt_reader(void){
 424         ortp_thread_t th;
 425         ms_mutex_init(&prompt_mutex,NULL);
 426         ortp_thread_create(&th,NULL,prompt_reader_thread,NULL);
 427 }
 428 #if !defined(_WIN32_WCE)
 429 static ortp_pipe_t create_server_socket(void){
 430         char path[128];
 431 #ifndef WIN32
 432         snprintf(path,sizeof(path)-1,"linphonec-%i",getuid());
 433 #else
 434         {
 435                 TCHAR username[128];
 436                 DWORD size=sizeof(username)-1;
 437                 GetUserName(username,&size);
 438                 snprintf(path,sizeof(path)-1,"linphonec-%s",username);
 439         }
 440 #endif
 441         return ortp_server_pipe_create(path);
 442 }
 443
 444
 445 static void *pipe_thread(void*p){
 446         char tmp[250];
 447         server_sock=create_server_socket();
 448         if (server_sock==ORTP_PIPE_INVALID) return NULL;
 449         while(pipe_reader_run){
 450                 while(client_sock!=ORTP_PIPE_INVALID){ /*sleep until the last command is finished*/
 451 #ifndef WIN32
 452                         usleep(20000);
 453 #else
 454                         Sleep(20);
 455 #endif
 456                 }
 457                 client_sock=ortp_server_pipe_accept_client(server_sock);
 458                 if (client_sock!=ORTP_PIPE_INVALID){
 459                         int len;
 460                         /*now read from the client */
 461                         if ((len=ortp_pipe_read(client_sock,(uint8_t*)tmp,sizeof(tmp)-1))>0){
 462                                 ortp_mutex_lock(&prompt_mutex);
 463                                 tmp[len]='\0';
 464                                 strcpy(received_prompt,tmp);
 465                                 printf("Receiving command '%s'\n",received_prompt);fflush(stdout);
 466                                 have_prompt=TRUE;
 467                                 ortp_mutex_unlock(&prompt_mutex);
 468                         }else{
 469                                 printf("read nothing\n");fflush(stdout);
 470                                 ortp_server_pipe_close_client(client_sock);
 471                                 client_sock=ORTP_PIPE_INVALID;
 472                         }
 473
 474                 }else{
 475                         if (pipe_reader_run) fprintf(stderr,"accept() failed: %s\n",strerror(errno));
 476                 }
 477         }
 478         ms_message("Exiting pipe_reader_thread.");
 479         fflush(stdout);
 480         return NULL;
 481 }
 482
 483 static void start_pipe_reader(void){
 484         ms_mutex_init(&prompt_mutex,NULL);
 485         pipe_reader_run=TRUE;
 486         ortp_thread_create(&pipe_reader_th,NULL,pipe_thread,NULL);
 487 }
 488
 489 static void stop_pipe_reader(void){
 490         pipe_reader_run=FALSE;
 491         linphonec_command_finished();
 492         ortp_server_pipe_close(server_sock);
 493         ortp_thread_join(pipe_reader_th,NULL);
 494 }
 495 #endif /*_WIN32_WCE*/
 496
 497 #ifdef HAVE_READLINE
 498 #define BOOL_HAVE_READLINE 1
 499 #else
 500 #define BOOL_HAVE_READLINE 0
 501 #endif
 502
 503 char *linphonec_readline(char *prompt){
 504         if (unix_socket || !BOOL_HAVE_READLINE ){
 505                 static bool_t prompt_reader_started=FALSE;
 506                 static bool_t pipe_reader_started=FALSE;
 507                 if (!prompt_reader_started){
 508                         start_prompt_reader();
 509                         prompt_reader_started=TRUE;
 510                 }
 511                 if (unix_socket && !pipe_reader_started){
 512 #if !defined(_WIN32_WCE)
 513                         start_pipe_reader();
 514                         pipe_reader_started=TRUE;
 515 #endif /*_WIN32_WCE*/
 516                 }
 517                 fprintf(stdout,"%s",prompt);
 518                 fflush(stdout);
 519                 while(1){
 520                         ms_mutex_lock(&prompt_mutex);
 521                         if (have_prompt){
 522                                 char *ret=strdup(received_prompt);
 523                                 have_prompt=FALSE;
 524                                 ms_mutex_unlock(&prompt_mutex);
 525                                 return ret;
 526                         }
 527                         ms_mutex_unlock(&prompt_mutex);
 528                         linphonec_idle_call();
 529 #ifdef WIN32
 530                         Sleep(20);
 531                         /* Following is to get the video window going as it
 532                                  should. Maybe should we only have this on when the option -V
 533                                  or -D is on? */
 534                         MSG msg;
 535
 536                         if (PeekMessage(&msg, NULL, 0, 0,1)) {
 537                                 TranslateMessage(&msg);
 538                                 DispatchMessage(&msg);
 539                         }
 540 #else
 541                         usleep(20000);
 542 #endif
 543                 }
 544         }else{
 545 #ifdef HAVE_READLINE
 546                 return readline(prompt);
 547 #endif
 548         }
 549 }
 550
 551 void linphonec_out(const char *fmt,...){
 552         char *res;
 553         va_list args;
 554         va_start (args, fmt);
 555         res=ortp_strdup_vprintf(fmt,args);
 556         va_end (args);
 557         printf("%s",res);
 558         fflush(stdout);
 559 #if !defined(_WIN32_WCE)
 560         if (client_sock!=ORTP_PIPE_INVALID){
 561                 if (ortp_pipe_write(client_sock,(uint8_t*)res,strlen(res))==-1){
 562                         fprintf(stderr,"Fail to send output via pipe: %s",strerror(errno));
 563                 }
 564         }
 565 #endif /*_WIN32_WCE*/
 566         ortp_free(res);
 567 }
 568
 569 void linphonec_command_finished(void){
 570 #if !defined(_WIN32_WCE)
 571         if (client_sock!=ORTP_PIPE_INVALID){
 572                 ortp_server_pipe_close_client(client_sock);
 573                 client_sock=ORTP_PIPE_INVALID;
 574         }
 575 #endif /*_WIN32_WCE*/
 576 }
 577
 578 void linphonec_set_autoanswer(bool_t enabled){
 579         auto_answer=enabled;
 580 }
 581
 582 bool_t linphonec_get_autoanswer(){
 583         return auto_answer;
 584 }
 585
 586 LinphoneCoreVTable linphonec_vtable={0};
 587
 588 /***************************************************************************/
 589 /*
 590  * Main
 591  *
 592  * Use globals:
 593  *
 594  *      - char *histfile_name
 595  *      - FILE *mylogfile
 596  */
 597 #if defined (_WIN32_WCE)
 598
 599 char **convert_args_to_ascii(int argc, _TCHAR **wargv){
 600         int i;
 601         char **result=malloc(argc*sizeof(char*));
 602         char argtmp[128];
 603         for(i=0;i<argc;++i){
 604                 wcstombs(argtmp,wargv[i],sizeof(argtmp));
 605                 result[i]=strdup(argtmp);
 606         }
 607         return result;
 608 }
 609
 610 int _tmain(int argc, _TCHAR* wargv[]) {
 611         char **argv=convert_args_to_ascii(argc,wargv);
 612         trace_level=6;
 613
 614 #else
 615 int
 616 main (int argc, char *argv[]) {
 617 #endif
 618         linphonec_vtable.call_state_changed=linphonec_call_state_changed;
 619         linphonec_vtable.notify_presence_recv = linphonec_notify_presence_received;
 620         linphonec_vtable.new_subscription_request = linphonec_new_unknown_subscriber;
 621         linphonec_vtable.auth_info_requested = linphonec_prompt_for_auth;
 622         linphonec_vtable.display_status = linphonec_display_status;
 623         linphonec_vtable.display_message=linphonec_display_something;
 624         linphonec_vtable.display_warning=linphonec_display_warning;
 625         linphonec_vtable.display_url=linphonec_display_url;
 626         linphonec_vtable.text_received=linphonec_text_received;
 627         linphonec_vtable.dtmf_received=linphonec_dtmf_received;
 628         linphonec_vtable.refer_received=linphonec_display_refer;
 629         linphonec_vtable.notify_recv=linphonec_notify_received;
 630
 631         if (! linphonec_init(argc, argv) ) exit(EXIT_FAILURE);
 632
 633         linphonec_main_loop (linphonec, sipAddr);
 634
 635         linphonec_finish(EXIT_SUCCESS);
 636
 637         exit(EXIT_SUCCESS); /* should never reach here */
 638 }
 639
 640 /*
 641  * Initialize linphonec
 642  */
 643 static int
 644 linphonec_init(int argc, char **argv)
 645 {
 646
 647         //g_mem_set_vtable(&dbgtable);
 648
 649         /*
 650          * Set initial values for global variables
 651          */
 652         mylogfile = NULL;
 653
 654
 655 #ifndef _WIN32
 656         snprintf(configfile_name, PATH_MAX, "%s/.linphonerc",
 657                         getenv("HOME"));
 658 #elif defined(_WIN32_WCE)
 659         strncpy(configfile_name,PACKAGE_DIR "\\linphonerc",PATH_MAX);
 660         mylogfile=fopen(PACKAGE_DIR "\\" "linphonec.log","w");
 661         printf("Logs are redirected in" PACKAGE_DIR "\\linphonec.log");
 662 #else
 663         snprintf(configfile_name, PATH_MAX, "%s/Linphone/linphonerc",
 664                         getenv("APPDATA"));
 665 #endif
 666         /* Handle configuration filename changes */
 667         switch (handle_configfile_migration())
 668         {
 669                 case -1: /* error during file copies */
 670                         fprintf(stderr,
 671                                 "Error in configuration file migration\n");
 672                         break;
 673
 674                 case 0: /* nothing done */
 675                 case 1: /* migrated */
 676                 default:
 677                         break;
 678         }
 679
 680 #ifdef ENABLE_NLS
 681         if (NULL == bindtextdomain (GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR))
 682                 perror ("bindtextdomain failed");
 683 #ifndef __ARM__
 684         bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
 685 #endif
 686         textdomain (GETTEXT_PACKAGE);
 687 #else
 688         printf ("NLS disabled.\n");
 689 #endif
 690
 691         linphonec_parse_cmdline(argc, argv);
 692
 693         if (trace_level > 0)
 694         {
 695                 if (logfile_name != NULL)
 696                         mylogfile = fopen (logfile_name, "w+");
 697
 698                 if (mylogfile == NULL)
 699                 {
 700                         mylogfile = stdout;
 701                         fprintf (stderr,
 702                                  "INFO: no logfile, logging to stdout\n");
 703                 }
 704                 linphone_core_enable_logs(mylogfile);
 705         }
 706         else
 707         {
 708                 linphone_core_disable_logs();
 709         }
 710         /*
 711          * Initialize auth stack
 712          */
 713         auth_stack.nitems=0;
 714
 715         /*
 716          * Initialize linphone core
 717          */
 718         linphonec=linphone_core_new (&linphonec_vtable, configfile_name, factory_configfile_name, NULL);
 719         linphone_core_enable_video(linphonec,vcap_enabled,display_enabled);
 720         if (display_enabled && window_id != 0)
 721         {
 722                 printf ("Setting window_id: 0x%x\n", window_id);
 723                 linphone_core_set_native_video_window_id(linphonec,window_id);
 724         }
 725
 726         linphone_core_enable_video_preview(linphonec,preview_enabled);
 727         if (!(vcap_enabled || display_enabled)) printf("Warning: video is disabled in linphonec, use -V or -C or -D to enable.\n");
 728 #ifdef HAVE_READLINE
 729         /*
 730          * Initialize readline
 731          */
 732         linphonec_initialize_readline();
 733 #endif
 734 #if !defined(_WIN32_WCE)
 735         /*
 736          * Initialize signal handlers
 737          */
 738         signal(SIGTERM, linphonec_finish);
 739         signal(SIGINT, linphonec_finish);
 740 #endif /*_WIN32_WCE*/
 741         return 1;
 742 }
 743
 744
 745 void linphonec_main_loop_exit(void){
 746         linphonec_running=FALSE;
 747 }
 748
 749 /*
 750  * Close linphonec, cleanly terminating
 751  * any pending call
 752  */
 753 void
 754 linphonec_finish(int exit_status)
 755 {
 756         // Do not allow concurrent destroying to prevent glibc errors
 757         static bool_t terminating=FALSE;
 758         if (terminating) return;
 759         terminating=TRUE;
 760         linphonec_out("Terminating...\n");
 761
 762         /* Terminate any pending call */
 763         linphone_core_terminate_all_calls(linphonec);
 764 #ifdef HAVE_READLINE
 765         linphonec_finish_readline();
 766 #endif
 767 #if !defined(_WIN32_WCE)
 768         if (pipe_reader_run)
 769                 stop_pipe_reader();
 770 #endif /*_WIN32_WCE*/
 771
 772         linphone_core_destroy (linphonec);
 773
 774         if (mylogfile != NULL && mylogfile != stdout)
 775         {
 776                 fclose (mylogfile);
 777         }
 778         printf("\n");
 779         exit(exit_status);
 780
 781 }
 782
 783 /*
 784  * This is called from idle_call() whenever
 785  * pending_auth != NULL.
 786  *
 787  * It prompts user for a password.
 788  * Hitting ^D (EOF) would make this function
 789  * return 0 (Cancel).
 790  * Any other input would try to set linphone core
 791  * auth_password for the pending_auth, add the auth_info
 792  * and return 1.
 793  */
 794 int
 795 linphonec_prompt_for_auth_final(LinphoneCore *lc)
 796 {
 797         char *input, *iptr;
 798         char auth_prompt[256];
 799 #ifdef HAVE_READLINE
 800         rl_hook_func_t *old_event_hook;
 801 #endif
 802         LinphoneAuthInfo *pending_auth=auth_stack.elem[auth_stack.nitems-1];
 803
 804         snprintf(auth_prompt, 256, "Password for %s on %s: ",
 805                 pending_auth->username, pending_auth->realm);
 806
 807         printf("\n");
 808 #ifdef HAVE_READLINE
 809         /*
 810          * Disable event hook to avoid entering an
 811          * infinite loop. This would prevent idle_call
 812          * from being called during authentication reads.
 813          * Note that it might be undesiderable...
 814          */
 815         old_event_hook=rl_event_hook;
 816         rl_event_hook=NULL;
 817 #endif
 818
 819         while (1)
 820         {
 821                 input=linphonec_readline(auth_prompt);
 822
 823                 /*
 824                  * If EOF (^D) is sent you probably don't want
 825                  * to provide an auth password... should give up
 826                  * the operation, but there's no mechanism to
 827                  * send this info back to caller currently...
 828                  */
 829                 if ( ! input )
 830                 {
 831                         printf("Cancel requested, but not implemented.\n");
 832                         continue;
 833                 }
 834
 835                 /* Strip blanks */
 836                 iptr=lpc_strip_blanks(input);
 837
 838                 /*
 839                  * Only blanks, continue asking
 840                  */
 841                 if ( ! *iptr )
 842                 {
 843                         free(input);
 844                         continue;
 845                 }
 846
 847                 /* Something typed, let's try */
 848                 break;
 849         }
 850
 851         /*
 852          * No check is done here to ensure password is correct.
 853          * I guess password will be asked again later.
 854          */
 855         linphone_auth_info_set_passwd(pending_auth, input);
 856         linphone_core_add_auth_info(lc, pending_auth);
 857         linphone_auth_info_destroy(pending_auth);
 858         auth_stack.elem[auth_stack.nitems-1]=0;
 859         --(auth_stack.nitems);
 860 #ifdef HAVE_READLINE
 861         /*
 862          * Reset line_buffer, to avoid the password
 863          * to be used again from outer readline
 864          */
 865         rl_line_buffer[0]='\0';
 866         rl_event_hook=old_event_hook;
 867 #endif
 868         return 1;
 869 }
 870
 871 void
 872 print_usage (int exit_status)
 873 {
 874         fprintf (stdout, "\n\
 875 usage: linphonec [-c file] [-s sipaddr] [-a] [-V] [-d level ] [-l logfile]\n\
 876        linphonec -v\n\
 877 \n\
 878   -b  file             specify path of readonly factory configuration file.\n\
 879   -c  file             specify path of configuration file.\n\
 880   -d  level            be verbose. 0 is no output. 6 is all output\n\
 881   -l  logfile          specify the log file for your SIP phone\n\
 882   -s  sipaddress       specify the sip call to do at startup\n\
 883   -a                   enable auto answering for incoming calls\n\
 884   -V                   enable video features globally (disabled by default)\n\
 885   -C                   enable video capture only (disabled by default)\n\
 886   -D                   enable video display only (disabled by default)\n\
 887   -S                   show general state messages (disabled by default)\n\
 888   --wid  windowid      force embedding of video window into provided windowid (disabled by default)\n\
 889   -v or --version      display version and exits.\n");
 890
 891         exit(exit_status);
 892 }
 893
 894 #ifdef VIDEO_ENABLED
 895
 896 #ifdef HAVE_X11_XLIB_H
 897 static void x11_apply_video_params(VideoParams *params, Window window){
 898         XWindowChanges wc;
 899         unsigned int flags=0;
 900         static Display *display = NULL;
 901         const char *dname=getenv("DISPLAY");
 902
 903         if (display==NULL && dname!=NULL){
 904                 display=XOpenDisplay(dname);
 905         }
 906
 907         if (display==NULL){
 908                 ms_error("Could not open display %s",dname);
 909                 return;
 910         }
 911         memset(&wc,0,sizeof(wc));
 912         wc.x=params->x;
 913         wc.y=params->y;
 914         wc.width=params->w;
 915         wc.height=params->h;
 916         if (params->x!=-1 ){
 917                 flags|=CWX|CWY;
 918         }
 919         if (params->w!=-1){
 920                 flags|=CWWidth|CWHeight;
 921         }
 922         /*printf("XConfigureWindow x=%i,y=%i,w=%i,h=%i\n",
 923                wc.x, wc.y ,wc.width, wc.height);*/
 924         XConfigureWindow(display,window,flags,&wc);
 925         if (params->show)
 926                 XMapWindow(display,window);
 927         else
 928                 XUnmapWindow(display,window);
 929         XSync(display,FALSE);
 930 }
 931 #endif
 932
 933
 934 static void lpc_apply_video_params(){
 935         static unsigned long old_wid=0,old_pwid=0;
 936         unsigned long wid=linphone_core_get_native_video_window_id (linphonec);
 937         unsigned long pwid=linphone_core_get_native_preview_window_id (linphonec);
 938
 939         if (wid!=0 && (lpc_video_params.refresh || old_wid!=wid)){
 940                 lpc_video_params.refresh=FALSE;
 941 #ifdef HAVE_X11_XLIB_H
 942                 if (lpc_video_params.wid==0){  // do not manage window if embedded
 943                         x11_apply_video_params(&lpc_video_params,wid);
 944                 }
 945 #endif
 946         }
 947         old_wid=wid;
 948         if (pwid!=0 && (lpc_preview_params.refresh || old_pwid!=pwid)){
 949                 lpc_preview_params.refresh=FALSE;
 950 #ifdef HAVE_X11_XLIB_H
 951                 /*printf("wid=%lu pwid=%lu\n",wid,pwid);*/
 952                 if (lpc_preview_params.wid==0){  // do not manage window if embedded
 953                         printf("Refreshing\n");
 954                         x11_apply_video_params(&lpc_preview_params,pwid);
 955                 }
 956 #endif
 957         }
 958         old_pwid=pwid;
 959 }
 960
 961 #endif
 962
 963
 964 /*
 965  *
 966  * Called every second from main read loop.
 967  *
 968  * Will use the following globals:
 969  *
 970  *  - LinphoneCore linphonec
 971  *  - LPC_AUTH_STACK auth_stack;
 972  *
 973  */
 974 static int
 975 linphonec_idle_call ()
 976 {
 977         LinphoneCore *opm=linphonec;
 978
 979         /* Uncomment the following to verify being called */
 980         /* printf(".\n"); */
 981
 982         linphone_core_iterate(opm);
 983         if (answer_call){
 984                 fprintf (stdout, "-------auto answering to call-------\n" );
 985                 linphone_core_accept_call(opm,NULL);
 986                 answer_call=FALSE;
 987         }
 988
 989         if ( auth_stack.nitems )
 990         {
 991                 /*
 992                  * Inhibit command completion
 993                  * during password prompts
 994                  */
 995 #ifdef HAVE_READLINE
 996                 rl_inhibit_completion=1;
 997 #endif
 998                 linphonec_prompt_for_auth_final(opm);
 999 #ifdef HAVE_READLINE
1000                 rl_inhibit_completion=0;
1001 #endif
1002         }
1003
1004 #ifdef VIDEO_ENABLED
1005         lpc_apply_video_params();
1006 #endif
1007
1008         return 0;
1009 }
1010
1011 #ifdef HAVE_READLINE
1012 /*
1013  * Use globals:
1014  *
1015  *      - char *histfile_name (also sets this)
1016  *      - char *last_in_history (allocates it)
1017  */
1018 static int
1019 linphonec_initialize_readline()
1020 {
1021         /*rl_bind_key('\t', rl_insert);*/
1022
1023         /* Allow conditional parsing of ~/.inputrc */
1024         rl_readline_name = "linphonec";
1025
1026         /* Call idle_call() every second */
1027         rl_set_keyboard_input_timeout(LPC_READLINE_TIMEOUT);
1028         rl_event_hook=linphonec_idle_call;
1029
1030         /* Set history file and read it */
1031         histfile_name = ms_strdup_printf ("%s/.linphonec_history",
1032                 getenv("HOME"));
1033         read_history(histfile_name);
1034
1035         /* Initialized last_in_history cache*/
1036         last_in_history[0] = '\0';
1037
1038         /* Register a completion function */
1039         rl_attempted_completion_function = linephonec_readline_completion;
1040
1041         /* printf("Readline initialized.\n"); */
1042         setlinebuf(stdout);
1043         return 0;
1044 }
1045
1046 /*
1047  * Uses globals:
1048  *
1049  *      - char *histfile_name (writes history to file and frees it)
1050  *      - char *last_in_history (frees it)
1051  *
1052  */
1053 static int
1054 linphonec_finish_readline()
1055 {
1056
1057         stifle_history(HISTSIZE);
1058         write_history(histfile_name);
1059         free(histfile_name);
1060         histfile_name=NULL;
1061         return 0;
1062 }
1063
1064 #endif
1065
1066 static void print_prompt(LinphoneCore *opm){
1067 #ifdef IDENTITY_AS_PROMPT
1068         snprintf(prompt, PROMPT_MAX_LEN, "%s> ",
1069                 linphone_core_get_primary_contact(opm));
1070 #else
1071         snprintf(prompt, PROMPT_MAX_LEN, "linphonec> ");
1072 #endif
1073 }
1074
1075 static int
1076 linphonec_main_loop (LinphoneCore * opm, char * sipAddr)
1077 {
1078         char buf[LINE_MAX_LEN]; /* auto call handling */
1079         char *input;
1080
1081         print_prompt(opm);
1082
1083
1084         /* auto call handling */
1085         if (sipAddr != NULL )
1086         {
1087                 snprintf (buf, sizeof(buf),"call %s", sipAddr);
1088                 linphonec_parse_command_line(linphonec, buf);
1089         }
1090
1091         while (linphonec_running && (input=linphonec_readline(prompt)))
1092         {
1093                 char *iptr; /* input and input pointer */
1094                 size_t input_len;
1095
1096                 /* Strip blanks */
1097                 iptr=lpc_strip_blanks(input);
1098
1099                 input_len = strlen(iptr);
1100
1101                 /*
1102                  * Do nothing but release memory
1103                  * if only blanks are read
1104                  */
1105                 if ( ! input_len )
1106                 {
1107                         free(input);
1108                         continue;
1109                 }
1110
1111 #ifdef HAVE_READLINE
1112                 /*
1113                  * Only add to history if not already
1114                  * last item in it, and only if the command
1115                  * doesn't start with a space (to allow for
1116                  * hiding passwords)
1117                  */
1118                 if ( iptr == input && strcmp(last_in_history, iptr) )
1119                 {
1120                         strncpy(last_in_history,iptr,sizeof(last_in_history));
1121                         last_in_history[sizeof(last_in_history)-1]='\0';
1122                         add_history(iptr);
1123                 }
1124 #endif
1125
1126                 linphonec_parse_command_line(linphonec, iptr);
1127                 linphonec_command_finished();
1128                 free(input);
1129         }
1130
1131         return 0;
1132 }
1133
1134 /*
1135  *  Parse command line switches
1136  *
1137  *  Use globals:
1138  *
1139  *      - int trace_level
1140  *      - char *logfile_name
1141  *      - char *configfile_name
1142  *      - char *sipAddr
1143  */
1144 static int
1145 linphonec_parse_cmdline(int argc, char **argv)
1146 {
1147         int arg_num=1;
1148
1149         while (arg_num < argc)
1150         {
1151                 int old_arg_num = arg_num;
1152                 if (strncmp ("-d", argv[arg_num], 2) == 0)
1153                 {
1154                         arg_num++;
1155                         if (arg_num < argc)
1156                                 trace_level = atoi (argv[arg_num]);
1157                         else
1158                                 trace_level = 1;
1159                 }
1160                 else if (strncmp ("-l", argv[arg_num], 2) == 0)
1161                 {
1162                         arg_num++;
1163                         if (arg_num < argc)
1164                                 logfile_name = argv[arg_num];
1165                 }
1166                 else if (strncmp ("-c", argv[arg_num], 2) == 0)
1167                 {
1168                         if ( ++arg_num >= argc ) print_usage(EXIT_FAILURE);
1169 #if !defined(_WIN32_WCE)
1170                         if (access(argv[arg_num],F_OK)!=0 )
1171                         {
1172                                 fprintf (stderr,
1173                                         "Cannot open config file %s.\n",
1174                                          argv[arg_num]);
1175                                 exit(EXIT_FAILURE);
1176                         }
1177 #endif /*_WIN32_WCE*/
1178                         snprintf(configfile_name, PATH_MAX, "%s", argv[arg_num]);
1179                 }
1180                 else if (strncmp ("-b", argv[arg_num], 2) == 0)
1181                 {
1182                         if ( ++arg_num >= argc ) print_usage(EXIT_FAILURE);
1183 #if !defined(_WIN32_WCE)
1184                         if (access(argv[arg_num],F_OK)!=0 )
1185                         {
1186                                 fprintf (stderr,
1187                                         "Cannot open config file %s.\n",
1188                                          argv[arg_num]);
1189                                 exit(EXIT_FAILURE);
1190                         }
1191 #endif /*_WIN32_WCE*/
1192                         factory_configfile_name = argv[arg_num];
1193                 }
1194                 else if (strncmp ("-s", argv[arg_num], 2) == 0)
1195                 {
1196                         arg_num++;
1197                         if (arg_num < argc)
1198                                 sipAddr = argv[arg_num];
1199                 }
1200                 else if (strncmp ("-a", argv[arg_num], 2) == 0)
1201                 {
1202                         auto_answer = TRUE;
1203                 }
1204                 else if (strncmp ("-C", argv[arg_num], 2) == 0)
1205                 {
1206                         vcap_enabled = TRUE;
1207                 }
1208                 else if (strncmp ("-D", argv[arg_num], 2) == 0)
1209                 {
1210                         display_enabled = TRUE;
1211                 }
1212                 else if (strncmp ("-V", argv[arg_num], 2) == 0)
1213                 {
1214                         display_enabled = TRUE;
1215                         vcap_enabled = TRUE;
1216                         preview_enabled=TRUE;
1217                 }
1218                 else if ((strncmp ("-v", argv[arg_num], 2) == 0)
1219                          ||
1220                          (strncmp
1221                           ("--version", argv[arg_num],
1222                            strlen ("--version")) == 0))
1223                 {
1224 #if !defined(_WIN32_WCE)
1225                         printf ("version: " LINPHONE_VERSION "\n");
1226 #endif
1227                         exit (EXIT_SUCCESS);
1228                 }
1229                 else if (strncmp ("-S", argv[arg_num], 2) == 0)
1230                 {
1231                         show_general_state = TRUE;
1232                 }
1233                 else if (strncmp ("--pipe", argv[arg_num], 6) == 0)
1234                 {
1235                         unix_socket=1;
1236                 }
1237                 else if (strncmp ("--wid", argv[arg_num], 5) == 0)
1238                 {
1239                         arg_num++;
1240                         if (arg_num < argc) {
1241                                 char *tmp;
1242                                 window_id = strtol( argv[arg_num], &tmp, 0 );
1243                         }
1244                 }
1245                 else if (old_arg_num == arg_num)
1246                 {
1247                         fprintf (stderr, "ERROR: bad arguments\n");
1248                         print_usage (EXIT_FAILURE);
1249                 }
1250                 arg_num++;
1251         }
1252
1253         return 1;
1254 }
1255
1256 /*
1257  * Up to version 1.2.1 linphone used ~/.linphonec for
1258  * CLI and ~/.gnome2/linphone for GUI as configuration file.
1259  * In newer version both interfaces will use ~/.linphonerc.
1260  *
1261  * This function helps transparently migrating from one
1262  * to the other layout using the following heuristic:
1263  *
1264  *      IF new_config EXISTS => do nothing
1265  *      ELSE IF old_cli_config EXISTS => copy to new_config
1266  *      ELSE IF old_gui_config EXISTS => copy to new_config
1267  *
1268  * Returns:
1269  *       0 if it did nothing
1270  *       1 if it migrated successfully
1271  *      -1 on error
1272  */
1273 static int
1274 handle_configfile_migration()
1275 {
1276 #if !defined(_WIN32_WCE)
1277         char *old_cfg_gui;
1278         char *old_cfg_cli;
1279         char *new_cfg;
1280 #if !defined(_WIN32_WCE)
1281         const char *home = getenv("HOME");
1282 #else
1283         const char *home = ".";
1284 #endif /*_WIN32_WCE*/
1285         new_cfg = ms_strdup_printf("%s/.linphonerc", home);
1286
1287         /*
1288          * If the *NEW* configuration already exists
1289          * do nothing.
1290          */
1291         if (access(new_cfg,F_OK)==0)
1292         {
1293                 free(new_cfg);
1294                 return 0;
1295         }
1296
1297         old_cfg_cli = ms_strdup_printf("%s/.linphonec", home);
1298
1299         /*
1300          * If the *OLD* CLI configurations exist copy it to
1301          * the new file and make it a symlink.
1302          */
1303         if (access(old_cfg_cli, F_OK)==0)
1304         {
1305                 if ( ! copy_file(old_cfg_cli, new_cfg) )
1306                 {
1307                         free(old_cfg_cli);
1308                         free(new_cfg);
1309                         return -1;
1310                 }
1311                 printf("%s copied to %s\n", old_cfg_cli, new_cfg);
1312                 free(old_cfg_cli);
1313                 free(new_cfg);
1314                 return 1;
1315         }
1316
1317         free(old_cfg_cli);
1318         old_cfg_gui = ms_strdup_printf("%s/.gnome2/linphone", home);
1319
1320         /*
1321          * If the *OLD* GUI configurations exist copy it to
1322          * the new file and make it a symlink.
1323          */
1324         if (access(old_cfg_gui, F_OK)==0)
1325         {
1326                 if ( ! copy_file(old_cfg_gui, new_cfg) )
1327                 {
1328                         exit(EXIT_FAILURE);
1329                         free(old_cfg_gui);
1330                         free(new_cfg);
1331                         return -1;
1332                 }
1333                 printf("%s copied to %s\n", old_cfg_gui, new_cfg);
1334                 free(old_cfg_gui);
1335                 free(new_cfg);
1336                 return 1;
1337         }
1338
1339         free(old_cfg_gui);
1340         free(new_cfg);
1341 #endif /*_WIN32_WCE*/
1342         return 0;
1343 }
1344 #if !defined(_WIN32_WCE)
1345 /*
1346  * Copy file "from" to file "to".
1347  * Destination file is truncated if existing.
1348  * Return 1 on success, 0 on error (printing an error).
1349  */
1350 static int
1351 copy_file(const char *from, const char *to)
1352 {
1353         char message[256];
1354         FILE *in, *out;
1355         char buf[256];
1356         size_t n;
1357
1358         /* Open "from" file for reading */
1359         in=fopen(from, "r");
1360         if ( in == NULL )
1361         {
1362                 snprintf(message, 255, "Can't open %s for reading: %s\n",
1363                         from, strerror(errno));
1364                 fprintf(stderr, "%s", message);
1365                 return 0;
1366         }
1367
1368         /* Open "to" file for writing (will truncate existing files) */
1369         out=fopen(to, "w");
1370         if ( out == NULL )
1371         {
1372                 snprintf(message, 255, "Can't open %s for writing: %s\n",
1373                         to, strerror(errno));
1374                 fprintf(stderr, "%s", message);
1375                 return 0;
1376         }
1377
1378         /* Copy data from "in" to "out" */
1379         while ( (n=fread(buf, 1, sizeof buf, in)) > 0 )
1380         {
1381                 if ( ! fwrite(buf, 1, n, out) )
1382                 {
1383                         return 0;
1384                 }
1385         }
1386
1387         fclose(in);
1388         fclose(out);
1389
1390         return 1;
1391 }
1392 #endif /*_WIN32_WCE*/
1393
1394 #ifdef HAVE_READLINE
1395 static char **
1396 linephonec_readline_completion(const char *text, int start, int end)
1397 {
1398         char **matches = NULL;
1399
1400         /*
1401          * Prevent readline from falling
1402          * back to filename-completion
1403          */
1404         rl_attempted_completion_over=1;
1405
1406         /*
1407          * If this is the start of line we complete with commands
1408          */
1409         if ( ! start )
1410         {
1411                 return rl_completion_matches(text, linphonec_command_generator);
1412         }
1413
1414         /*
1415          * Otherwise, we should peek at command name
1416          * or context to implement a smart completion.
1417          * For example: "call .." could return
1418          * friends' sip-uri as matches
1419          */
1420
1421         return matches;
1422 }
1423
1424 #endif
1425
1426 /*
1427  * Strip blanks from a string.
1428  * Return a pointer into the provided string.
1429  * Modifies input adding a NULL at first
1430  * of trailing blanks.
1431  */
1432 char *
1433 lpc_strip_blanks(char *input)
1434 {
1435         char *iptr;
1436
1437         /* Find first non-blank */
1438         while(*input && isspace(*input)) ++input;
1439
1440         /* Find last non-blank */
1441         iptr=input+strlen(input);
1442         if (iptr > input) {
1443                 while(isspace(*--iptr));
1444                 *(iptr+1)='\0';
1445         }
1446
1447         return input;
1448 }
1449
1450 /****************************************************************************
1451  *
1452  * $Log: linphonec.c,v $
1453  * Revision 1.57  2007/11/14 13:40:27  smorlat
1454  * fix --disable-video build.
1455  *
1456  * Revision 1.56  2007/09/26 14:07:27  fixkowalski
1457  * - ANSI/C++ compilation issues with non-GCC compilers
1458  * - Faster epm-based packaging
1459  * - Ability to build & run on FC6's eXosip/osip
1460  *
1461  * Revision 1.55  2007/09/24 16:01:58  smorlat
1462  * fix bugs.
1463  *
1464  * Revision 1.54  2007/08/22 14:06:11  smorlat
1465  * authentication bugs fixed.
1466  *
1467  * Revision 1.53  2007/02/13 21:31:01  smorlat
1468  * added patch for general state.
1469  * new doxygen for oRTP
1470  * gtk-doc removed.
1471  *
1472  * Revision 1.52  2007/01/10 14:11:24  smorlat
1473  * add --video to linphonec.
1474  *
1475  * Revision 1.51  2006/08/21 12:49:59  smorlat
1476  * merged several little patches.
1477  *
1478  * Revision 1.50  2006/07/26 08:17:28  smorlat
1479  * fix bugs.
1480  *
1481  * Revision 1.49  2006/07/17 18:45:00  smorlat
1482  * support for several event queues in ortp.
1483  * glib dependency removed from coreapi/ and console/
1484  *
1485  * Revision 1.48  2006/04/09 12:45:32  smorlat
1486  * linphonec improvements.
1487  *
1488  * Revision 1.47  2006/04/04 08:04:34  smorlat
1489  * switched to mediastreamer2, most bugs fixed.
1490  *
1491  * Revision 1.46  2006/03/16 17:17:40  smorlat
1492  * fix various bugs.
1493  *
1494  * Revision 1.45  2006/03/12 21:48:31  smorlat
1495  * gcc-2.95 compile error fixed.
1496  * mediastreamer2 in progress
1497  *
1498  * Revision 1.44  2006/03/04 11:17:10  smorlat
1499  * mediastreamer2 in progress.
1500  *
1501  * Revision 1.43  2006/02/13 09:50:50  strk
1502  * fixed unused variable warning.
1503  *
1504  * Revision 1.42  2006/02/02 15:39:18  strk
1505  * - Added 'friend list' and 'friend call' commands
1506  * - Allowed for multiple DTFM send in a single line
1507  * - Added status-specific callback (bare version)
1508  *
1509  * Revision 1.41  2006/02/02 13:30:05  strk
1510  * - Padded vtable with missing callbacks
1511  *   (fixing a segfault on friends subscription)
1512  * - Handled friends notify (bare version)
1513  * - Handled text messages receive (bare version)
1514  * - Printed message on subscription request (bare version)
1515  *
1516  * Revision 1.40  2006/01/26 09:48:05  strk
1517  * Added limits.h include
1518  *
1519  * Revision 1.39  2006/01/26 02:11:01  strk
1520  * Removed unused variables, fixed copyright date
1521  *
1522  * Revision 1.38  2006/01/25 18:33:02  strk
1523  * Removed the -t swich, terminate_on_close made the default behaviour
1524  *
1525  * Revision 1.37  2006/01/20 14:12:34  strk
1526  * Added linphonec_init() and linphonec_finish() functions.
1527  * Handled SIGINT and SIGTERM to invoke linphonec_finish().
1528  * Handling of auto-termination (-t) moved to linphonec_finish().
1529  * Reworked main (input read) loop to not rely on 'terminate'
1530  * and 'run' variable (dropped). configfile_name allocated on stack
1531  * using PATH_MAX limit. Changed print_usage signature to allow
1532  * for an exit_status specification.
1533  *
1534  * Revision 1.36  2006/01/18 09:25:32  strk
1535  * Command completion inhibited in proxy addition and auth request prompts.
1536  * Avoided use of readline's internal filename completion.
1537  *
1538  * Revision 1.35  2006/01/14 13:29:32  strk
1539  * Reworked commands interface to use a table structure,
1540  * used by command line parser and help function.
1541  * Implemented first level of completion (commands).
1542  * Added notification of invalid "answer" and "terminate"
1543  * commands (no incoming call, no active call).
1544  * Forbidden "call" intialization when a call is already active.
1545  * Cleaned up all commands, adding more feedback and error checks.
1546  *
1547  * Revision 1.34  2006/01/13 13:00:29  strk
1548  * Added linphonec.h. Code layout change (added comments, forward decl,
1549  * globals on top, copyright notices and Logs). Handled out-of-memory
1550  * condition on history management. Removed assumption on sizeof(char).
1551  * Fixed bug in authentication prompt (introduced by readline).
1552  * Added support for multiple authentication requests (up to MAX_PENDING_AUTH).
1553  *
1554  *
1555  ****************************************************************************/
1556