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);
 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 *sip_addr_to_call = 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 (%s).\n", id, from, linphone_reason_to_string(linphone_call_get_reason(call)));
 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                         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         linphonec_out("Message received from %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);
 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         if (display_enabled && window_id != 0)
 720         {
 721                 printf ("Setting window_id: 0x%x\n", window_id);
 722                 linphone_core_set_native_video_window_id(linphonec,window_id);
 723         }
 724
 725         linphone_core_enable_video_preview(linphonec,preview_enabled);
 726         if (!(vcap_enabled || display_enabled)) printf("Warning: video is disabled in linphonec, use -V or -C or -D to enable.\n");
 727 #ifdef HAVE_READLINE
 728         /*
 729          * Initialize readline
 730          */
 731         linphonec_initialize_readline();
 732 #endif
 733 #if !defined(_WIN32_WCE)
 734         /*
 735          * Initialize signal handlers
 736          */
 737         signal(SIGTERM, linphonec_finish);
 738         signal(SIGINT, linphonec_finish);
 739 #endif /*_WIN32_WCE*/
 740         return 1;
 741 }
 742
 743
 744 void linphonec_main_loop_exit(void){
 745         linphonec_running=FALSE;
 746 }
 747
 748 /*
 749  * Close linphonec, cleanly terminating
 750  * any pending call
 751  */
 752 void
 753 linphonec_finish(int exit_status)
 754 {
 755         // Do not allow concurrent destroying to prevent glibc errors
 756         static bool_t terminating=FALSE;
 757         if (terminating) return;
 758         terminating=TRUE;
 759         linphonec_out("Terminating...\n");
 760
 761         /* Terminate any pending call */
 762         linphone_core_terminate_all_calls(linphonec);
 763 #ifdef HAVE_READLINE
 764         linphonec_finish_readline();
 765 #endif
 766 #if !defined(_WIN32_WCE)
 767         if (pipe_reader_run)
 768                 stop_pipe_reader();
 769 #endif /*_WIN32_WCE*/
 770
 771         linphone_core_destroy (linphonec);
 772
 773         if (mylogfile != NULL && mylogfile != stdout)
 774         {
 775                 fclose (mylogfile);
 776         }
 777         printf("\n");
 778         exit(exit_status);
 779
 780 }
 781
 782 /*
 783  * This is called from idle_call() whenever
 784  * pending_auth != NULL.
 785  *
 786  * It prompts user for a password.
 787  * Hitting ^D (EOF) would make this function
 788  * return 0 (Cancel).
 789  * Any other input would try to set linphone core
 790  * auth_password for the pending_auth, add the auth_info
 791  * and return 1.
 792  */
 793 int
 794 linphonec_prompt_for_auth_final(LinphoneCore *lc)
 795 {
 796         static int reentrancy=0;
 797         char *input, *iptr;
 798         char auth_prompt[256];
 799 #ifdef HAVE_READLINE
 800         rl_hook_func_t *old_event_hook;
 801 #endif
 802
 803         if (reentrancy!=0) return 0;
 804
 805         reentrancy++;
 806
 807         LinphoneAuthInfo *pending_auth=auth_stack.elem[auth_stack.nitems-1];
 808
 809         snprintf(auth_prompt, 256, "Password for %s on %s: ",
 810                 pending_auth->username, pending_auth->realm);
 811
 812         printf("\n");
 813 #ifdef HAVE_READLINE
 814         /*
 815          * Disable event hook to avoid entering an
 816          * infinite loop. This would prevent idle_call
 817          * from being called during authentication reads.
 818          * Note that it might be undesiderable...
 819          */
 820         old_event_hook=rl_event_hook;
 821         rl_event_hook=NULL;
 822 #endif
 823
 824         while (1)
 825         {
 826                 input=linphonec_readline(auth_prompt);
 827
 828                 /*
 829                  * If EOF (^D) is sent you probably don't want
 830                  * to provide an auth password... should give up
 831                  * the operation, but there's no mechanism to
 832                  * send this info back to caller currently...
 833                  */
 834                 if ( ! input )
 835                 {
 836                         printf("Cancel requested, but not implemented.\n");
 837                         continue;
 838                 }
 839
 840                 /* Strip blanks */
 841                 iptr=lpc_strip_blanks(input);
 842
 843                 /*
 844                  * Only blanks, continue asking
 845                  */
 846                 if ( ! *iptr )
 847                 {
 848                         free(input);
 849                         continue;
 850                 }
 851
 852                 /* Something typed, let's try */
 853                 break;
 854         }
 855
 856         /*
 857          * No check is done here to ensure password is correct.
 858          * I guess password will be asked again later.
 859          */
 860         linphone_auth_info_set_passwd(pending_auth, input);
 861         linphone_core_add_auth_info(lc, pending_auth);
 862         linphone_auth_info_destroy(pending_auth);
 863         auth_stack.elem[auth_stack.nitems-1]=0;
 864         --(auth_stack.nitems);
 865 #ifdef HAVE_READLINE
 866         /*
 867          * Reset line_buffer, to avoid the password
 868          * to be used again from outer readline
 869          */
 870         rl_line_buffer[0]='\0';
 871         rl_event_hook=old_event_hook;
 872 #endif
 873         return 1;
 874 }
 875
 876 void
 877 print_usage (int exit_status)
 878 {
 879         fprintf (stdout, "\n\
 880 usage: linphonec [-c file] [-s sipaddr] [-a] [-V] [-d level ] [-l logfile]\n\
 881        linphonec -v\n\
 882 \n\
 883   -b  file             specify path of readonly factory configuration file.\n\
 884   -c  file             specify path of configuration file.\n\
 885   -d  level            be verbose. 0 is no output. 6 is all output\n\
 886   -l  logfile          specify the log file for your SIP phone\n\
 887   -s  sipaddress       specify the sip call to do at startup\n\
 888   -a                   enable auto answering for incoming calls\n\
 889   -V                   enable video features globally (disabled by default)\n\
 890   -C                   enable video capture only (disabled by default)\n\
 891   -D                   enable video display only (disabled by default)\n\
 892   -S                   show general state messages (disabled by default)\n\
 893   --wid  windowid      force embedding of video window into provided windowid (disabled by default)\n\
 894   -v or --version      display version and exits.\n");
 895
 896         exit(exit_status);
 897 }
 898
 899 #ifdef VIDEO_ENABLED
 900
 901 #ifdef HAVE_X11_XLIB_H
 902 static void x11_apply_video_params(VideoParams *params, Window window){
 903         XWindowChanges wc;
 904         unsigned int flags=0;
 905         static Display *display = NULL;
 906         const char *dname=getenv("DISPLAY");
 907
 908         if (display==NULL && dname!=NULL){
 909                 display=XOpenDisplay(dname);
 910         }
 911
 912         if (display==NULL){
 913                 ms_error("Could not open display %s",dname);
 914                 return;
 915         }
 916         memset(&wc,0,sizeof(wc));
 917         wc.x=params->x;
 918         wc.y=params->y;
 919         wc.width=params->w;
 920         wc.height=params->h;
 921         if (params->x!=-1 ){
 922                 flags|=CWX|CWY;
 923         }
 924         if (params->w!=-1){
 925                 flags|=CWWidth|CWHeight;
 926         }
 927         /*printf("XConfigureWindow x=%i,y=%i,w=%i,h=%i\n",
 928                wc.x, wc.y ,wc.width, wc.height);*/
 929         XConfigureWindow(display,window,flags,&wc);
 930         if (params->show)
 931                 XMapWindow(display,window);
 932         else
 933                 XUnmapWindow(display,window);
 934         XSync(display,FALSE);
 935 }
 936 #endif
 937
 938
 939 static void lpc_apply_video_params(){
 940         static unsigned long old_wid=0,old_pwid=0;
 941         unsigned long wid=linphone_core_get_native_video_window_id (linphonec);
 942         unsigned long pwid=linphone_core_get_native_preview_window_id (linphonec);
 943
 944         if (wid!=0 && (lpc_video_params.refresh || old_wid!=wid)){
 945                 lpc_video_params.refresh=FALSE;
 946 #ifdef HAVE_X11_XLIB_H
 947                 if (lpc_video_params.wid==0){  // do not manage window if embedded
 948                         x11_apply_video_params(&lpc_video_params,wid);
 949                 }
 950 #endif
 951         }
 952         old_wid=wid;
 953         if (pwid!=0 && (lpc_preview_params.refresh || old_pwid!=pwid)){
 954                 lpc_preview_params.refresh=FALSE;
 955 #ifdef HAVE_X11_XLIB_H
 956                 /*printf("wid=%lu pwid=%lu\n",wid,pwid);*/
 957                 if (lpc_preview_params.wid==0){  // do not manage window if embedded
 958                         printf("Refreshing\n");
 959                         x11_apply_video_params(&lpc_preview_params,pwid);
 960                 }
 961 #endif
 962         }
 963         old_pwid=pwid;
 964 }
 965
 966 #endif
 967
 968
 969 /*
 970  *
 971  * Called every second from main read loop.
 972  *
 973  * Will use the following globals:
 974  *
 975  *  - LinphoneCore linphonec
 976  *  - LPC_AUTH_STACK auth_stack;
 977  *
 978  */
 979 static int
 980 linphonec_idle_call ()
 981 {
 982         LinphoneCore *opm=linphonec;
 983
 984         /* Uncomment the following to verify being called */
 985         /* printf(".\n"); */
 986
 987         linphone_core_iterate(opm);
 988         if (answer_call){
 989                 fprintf (stdout, "-------auto answering to call-------\n" );
 990                 linphone_core_accept_call(opm,NULL);
 991                 answer_call=FALSE;
 992         }
 993         /* auto call handling */
 994         if (sip_addr_to_call != NULL )
 995         {
 996                 char buf[512];
 997                 snprintf (buf, sizeof(buf),"call %s", sip_addr_to_call);
 998                 sip_addr_to_call=NULL;
 999                 linphonec_parse_command_line(linphonec, buf);
1000         }
1001
1002         if ( auth_stack.nitems )
1003         {
1004                 /*
1005                  * Inhibit command completion
1006                  * during password prompts
1007                  */
1008 #ifdef HAVE_READLINE
1009                 rl_inhibit_completion=1;
1010 #endif
1011                 linphonec_prompt_for_auth_final(opm);
1012 #ifdef HAVE_READLINE
1013                 rl_inhibit_completion=0;
1014 #endif
1015         }
1016
1017 #ifdef VIDEO_ENABLED
1018         lpc_apply_video_params();
1019 #endif
1020
1021         return 0;
1022 }
1023
1024 #ifdef HAVE_READLINE
1025 /*
1026  * Use globals:
1027  *
1028  *      - char *histfile_name (also sets this)
1029  *      - char *last_in_history (allocates it)
1030  */
1031 static int
1032 linphonec_initialize_readline()
1033 {
1034         /*rl_bind_key('\t', rl_insert);*/
1035
1036         /* Allow conditional parsing of ~/.inputrc */
1037         rl_readline_name = "linphonec";
1038
1039         /* Call idle_call() every second */
1040         rl_set_keyboard_input_timeout(LPC_READLINE_TIMEOUT);
1041         rl_event_hook=linphonec_idle_call;
1042
1043         /* Set history file and read it */
1044         histfile_name = ms_strdup_printf ("%s/.linphonec_history",
1045                 getenv("HOME"));
1046         read_history(histfile_name);
1047
1048         /* Initialized last_in_history cache*/
1049         last_in_history[0] = '\0';
1050
1051         /* Register a completion function */
1052         rl_attempted_completion_function = linephonec_readline_completion;
1053
1054         /* printf("Readline initialized.\n"); */
1055         setlinebuf(stdout);
1056         return 0;
1057 }
1058
1059 /*
1060  * Uses globals:
1061  *
1062  *      - char *histfile_name (writes history to file and frees it)
1063  *      - char *last_in_history (frees it)
1064  *
1065  */
1066 static int
1067 linphonec_finish_readline()
1068 {
1069
1070         stifle_history(HISTSIZE);
1071         write_history(histfile_name);
1072         free(histfile_name);
1073         histfile_name=NULL;
1074         return 0;
1075 }
1076
1077 #endif
1078
1079 static void print_prompt(LinphoneCore *opm){
1080 #ifdef IDENTITY_AS_PROMPT
1081         snprintf(prompt, PROMPT_MAX_LEN, "%s> ",
1082                 linphone_core_get_primary_contact(opm));
1083 #else
1084         snprintf(prompt, PROMPT_MAX_LEN, "linphonec> ");
1085 #endif
1086 }
1087
1088 static int
1089 linphonec_main_loop (LinphoneCore * opm)
1090 {
1091         char *input;
1092
1093         print_prompt(opm);
1094
1095
1096         while (linphonec_running && (input=linphonec_readline(prompt)))
1097         {
1098                 char *iptr; /* input and input pointer */
1099                 size_t input_len;
1100
1101                 /* Strip blanks */
1102                 iptr=lpc_strip_blanks(input);
1103
1104                 input_len = strlen(iptr);
1105
1106                 /*
1107                  * Do nothing but release memory
1108                  * if only blanks are read
1109                  */
1110                 if ( ! input_len )
1111                 {
1112                         free(input);
1113                         continue;
1114                 }
1115
1116 #ifdef HAVE_READLINE
1117                 /*
1118                  * Only add to history if not already
1119                  * last item in it, and only if the command
1120                  * doesn't start with a space (to allow for
1121                  * hiding passwords)
1122                  */
1123                 if ( iptr == input && strcmp(last_in_history, iptr) )
1124                 {
1125                         strncpy(last_in_history,iptr,sizeof(last_in_history));
1126                         last_in_history[sizeof(last_in_history)-1]='\0';
1127                         add_history(iptr);
1128                 }
1129 #endif
1130
1131                 linphonec_parse_command_line(linphonec, iptr);
1132                 linphonec_command_finished();
1133                 free(input);
1134         }
1135
1136         return 0;
1137 }
1138
1139 /*
1140  *  Parse command line switches
1141  *
1142  *  Use globals:
1143  *
1144  *      - int trace_level
1145  *      - char *logfile_name
1146  *      - char *configfile_name
1147  *      - char *sipAddr
1148  */
1149 static int
1150 linphonec_parse_cmdline(int argc, char **argv)
1151 {
1152         int arg_num=1;
1153
1154         while (arg_num < argc)
1155         {
1156                 int old_arg_num = arg_num;
1157                 if (strncmp ("-d", argv[arg_num], 2) == 0)
1158                 {
1159                         arg_num++;
1160                         if (arg_num < argc)
1161                                 trace_level = atoi (argv[arg_num]);
1162                         else
1163                                 trace_level = 1;
1164                 }
1165                 else if (strncmp ("-l", argv[arg_num], 2) == 0)
1166                 {
1167                         arg_num++;
1168                         if (arg_num < argc)
1169                                 logfile_name = argv[arg_num];
1170                 }
1171                 else if (strncmp ("-c", argv[arg_num], 2) == 0)
1172                 {
1173                         if ( ++arg_num >= argc ) print_usage(EXIT_FAILURE);
1174 #if !defined(_WIN32_WCE)
1175                         if (access(argv[arg_num],F_OK)!=0 )
1176                         {
1177                                 fprintf (stderr,
1178                                         "Cannot open config file %s.\n",
1179                                          argv[arg_num]);
1180                                 exit(EXIT_FAILURE);
1181                         }
1182 #endif /*_WIN32_WCE*/
1183                         snprintf(configfile_name, PATH_MAX, "%s", argv[arg_num]);
1184                 }
1185                 else if (strncmp ("-b", argv[arg_num], 2) == 0)
1186                 {
1187                         if ( ++arg_num >= argc ) print_usage(EXIT_FAILURE);
1188 #if !defined(_WIN32_WCE)
1189                         if (access(argv[arg_num],F_OK)!=0 )
1190                         {
1191                                 fprintf (stderr,
1192                                         "Cannot open config file %s.\n",
1193                                          argv[arg_num]);
1194                                 exit(EXIT_FAILURE);
1195                         }
1196 #endif /*_WIN32_WCE*/
1197                         factory_configfile_name = argv[arg_num];
1198                 }
1199                 else if (strncmp ("-s", argv[arg_num], 2) == 0)
1200                 {
1201                         arg_num++;
1202                         if (arg_num < argc)
1203                                 sip_addr_to_call = argv[arg_num];
1204                 }
1205                 else if (strncmp ("-a", argv[arg_num], 2) == 0)
1206                 {
1207                         auto_answer = TRUE;
1208                 }
1209                 else if (strncmp ("-C", argv[arg_num], 2) == 0)
1210                 {
1211                         vcap_enabled = TRUE;
1212                 }
1213                 else if (strncmp ("-D", argv[arg_num], 2) == 0)
1214                 {
1215                         display_enabled = TRUE;
1216                 }
1217                 else if (strncmp ("-V", argv[arg_num], 2) == 0)
1218                 {
1219                         display_enabled = TRUE;
1220                         vcap_enabled = TRUE;
1221                         preview_enabled=TRUE;
1222                 }
1223                 else if ((strncmp ("-v", argv[arg_num], 2) == 0)
1224                          ||
1225                          (strncmp
1226                           ("--version", argv[arg_num],
1227                            strlen ("--version")) == 0))
1228                 {
1229 #if !defined(_WIN32_WCE)
1230                         printf ("version: " LINPHONE_VERSION "\n");
1231 #endif
1232                         exit (EXIT_SUCCESS);
1233                 }
1234                 else if (strncmp ("-S", argv[arg_num], 2) == 0)
1235                 {
1236                         show_general_state = TRUE;
1237                 }
1238                 else if (strncmp ("--pipe", argv[arg_num], 6) == 0)
1239                 {
1240                         unix_socket=1;
1241                 }
1242                 else if (strncmp ("--wid", argv[arg_num], 5) == 0)
1243                 {
1244                         arg_num++;
1245                         if (arg_num < argc) {
1246                                 char *tmp;
1247                                 window_id = strtol( argv[arg_num], &tmp, 0 );
1248                         }
1249                 }
1250                 else if (old_arg_num == arg_num)
1251                 {
1252                         fprintf (stderr, "ERROR: bad arguments\n");
1253                         print_usage (EXIT_FAILURE);
1254                 }
1255                 arg_num++;
1256         }
1257
1258         return 1;
1259 }
1260
1261 /*
1262  * Up to version 1.2.1 linphone used ~/.linphonec for
1263  * CLI and ~/.gnome2/linphone for GUI as configuration file.
1264  * In newer version both interfaces will use ~/.linphonerc.
1265  *
1266  * This function helps transparently migrating from one
1267  * to the other layout using the following heuristic:
1268  *
1269  *      IF new_config EXISTS => do nothing
1270  *      ELSE IF old_cli_config EXISTS => copy to new_config
1271  *      ELSE IF old_gui_config EXISTS => copy to new_config
1272  *
1273  * Returns:
1274  *       0 if it did nothing
1275  *       1 if it migrated successfully
1276  *      -1 on error
1277  */
1278 static int
1279 handle_configfile_migration()
1280 {
1281 #if !defined(_WIN32_WCE)
1282         char *old_cfg_gui;
1283         char *old_cfg_cli;
1284         char *new_cfg;
1285 #if !defined(_WIN32_WCE)
1286         const char *home = getenv("HOME");
1287 #else
1288         const char *home = ".";
1289 #endif /*_WIN32_WCE*/
1290         new_cfg = ms_strdup_printf("%s/.linphonerc", home);
1291
1292         /*
1293          * If the *NEW* configuration already exists
1294          * do nothing.
1295          */
1296         if (access(new_cfg,F_OK)==0)
1297         {
1298                 free(new_cfg);
1299                 return 0;
1300         }
1301
1302         old_cfg_cli = ms_strdup_printf("%s/.linphonec", home);
1303
1304         /*
1305          * If the *OLD* CLI configurations exist copy it to
1306          * the new file and make it a symlink.
1307          */
1308         if (access(old_cfg_cli, F_OK)==0)
1309         {
1310                 if ( ! copy_file(old_cfg_cli, new_cfg) )
1311                 {
1312                         free(old_cfg_cli);
1313                         free(new_cfg);
1314                         return -1;
1315                 }
1316                 printf("%s copied to %s\n", old_cfg_cli, new_cfg);
1317                 free(old_cfg_cli);
1318                 free(new_cfg);
1319                 return 1;
1320         }
1321
1322         free(old_cfg_cli);
1323         old_cfg_gui = ms_strdup_printf("%s/.gnome2/linphone", home);
1324
1325         /*
1326          * If the *OLD* GUI configurations exist copy it to
1327          * the new file and make it a symlink.
1328          */
1329         if (access(old_cfg_gui, F_OK)==0)
1330         {
1331                 if ( ! copy_file(old_cfg_gui, new_cfg) )
1332                 {
1333                         exit(EXIT_FAILURE);
1334                         free(old_cfg_gui);
1335                         free(new_cfg);
1336                         return -1;
1337                 }
1338                 printf("%s copied to %s\n", old_cfg_gui, new_cfg);
1339                 free(old_cfg_gui);
1340                 free(new_cfg);
1341                 return 1;
1342         }
1343
1344         free(old_cfg_gui);
1345         free(new_cfg);
1346 #endif /*_WIN32_WCE*/
1347         return 0;
1348 }
1349 #if !defined(_WIN32_WCE)
1350 /*
1351  * Copy file "from" to file "to".
1352  * Destination file is truncated if existing.
1353  * Return 1 on success, 0 on error (printing an error).
1354  */
1355 static int
1356 copy_file(const char *from, const char *to)
1357 {
1358         char message[256];
1359         FILE *in, *out;
1360         char buf[256];
1361         size_t n;
1362
1363         /* Open "from" file for reading */
1364         in=fopen(from, "r");
1365         if ( in == NULL )
1366         {
1367                 snprintf(message, 255, "Can't open %s for reading: %s\n",
1368                         from, strerror(errno));
1369                 fprintf(stderr, "%s", message);
1370                 return 0;
1371         }
1372
1373         /* Open "to" file for writing (will truncate existing files) */
1374         out=fopen(to, "w");
1375         if ( out == NULL )
1376         {
1377                 snprintf(message, 255, "Can't open %s for writing: %s\n",
1378                         to, strerror(errno));
1379                 fprintf(stderr, "%s", message);
1380                 return 0;
1381         }
1382
1383         /* Copy data from "in" to "out" */
1384         while ( (n=fread(buf, 1, sizeof buf, in)) > 0 )
1385         {
1386                 if ( ! fwrite(buf, 1, n, out) )
1387                 {
1388                         return 0;
1389                 }
1390         }
1391
1392         fclose(in);
1393         fclose(out);
1394
1395         return 1;
1396 }
1397 #endif /*_WIN32_WCE*/
1398
1399 #ifdef HAVE_READLINE
1400 static char **
1401 linephonec_readline_completion(const char *text, int start, int end)
1402 {
1403         char **matches = NULL;
1404
1405         /*
1406          * Prevent readline from falling
1407          * back to filename-completion
1408          */
1409         rl_attempted_completion_over=1;
1410
1411         /*
1412          * If this is the start of line we complete with commands
1413          */
1414         if ( ! start )
1415         {
1416                 return rl_completion_matches(text, linphonec_command_generator);
1417         }
1418
1419         /*
1420          * Otherwise, we should peek at command name
1421          * or context to implement a smart completion.
1422          * For example: "call .." could return
1423          * friends' sip-uri as matches
1424          */
1425
1426         return matches;
1427 }
1428
1429 #endif
1430
1431 /*
1432  * Strip blanks from a string.
1433  * Return a pointer into the provided string.
1434  * Modifies input adding a NULL at first
1435  * of trailing blanks.
1436  */
1437 char *
1438 lpc_strip_blanks(char *input)
1439 {
1440         char *iptr;
1441
1442         /* Find first non-blank */
1443         while(*input && isspace(*input)) ++input;
1444
1445         /* Find last non-blank */
1446         iptr=input+strlen(input);
1447         if (iptr > input) {
1448                 while(isspace(*--iptr));
1449                 *(iptr+1)='\0';
1450         }
1451
1452         return input;
1453 }
1454
1455 /****************************************************************************
1456  *
1457  * $Log: linphonec.c,v $
1458  * Revision 1.57  2007/11/14 13:40:27  smorlat
1459  * fix --disable-video build.
1460  *
1461  * Revision 1.56  2007/09/26 14:07:27  fixkowalski
1462  * - ANSI/C++ compilation issues with non-GCC compilers
1463  * - Faster epm-based packaging
1464  * - Ability to build & run on FC6's eXosip/osip
1465  *
1466  * Revision 1.55  2007/09/24 16:01:58  smorlat
1467  * fix bugs.
1468  *
1469  * Revision 1.54  2007/08/22 14:06:11  smorlat
1470  * authentication bugs fixed.
1471  *
1472  * Revision 1.53  2007/02/13 21:31:01  smorlat
1473  * added patch for general state.
1474  * new doxygen for oRTP
1475  * gtk-doc removed.
1476  *
1477  * Revision 1.52  2007/01/10 14:11:24  smorlat
1478  * add --video to linphonec.
1479  *
1480  * Revision 1.51  2006/08/21 12:49:59  smorlat
1481  * merged several little patches.
1482  *
1483  * Revision 1.50  2006/07/26 08:17:28  smorlat
1484  * fix bugs.
1485  *
1486  * Revision 1.49  2006/07/17 18:45:00  smorlat
1487  * support for several event queues in ortp.
1488  * glib dependency removed from coreapi/ and console/
1489  *
1490  * Revision 1.48  2006/04/09 12:45:32  smorlat
1491  * linphonec improvements.
1492  *
1493  * Revision 1.47  2006/04/04 08:04:34  smorlat
1494  * switched to mediastreamer2, most bugs fixed.
1495  *
1496  * Revision 1.46  2006/03/16 17:17:40  smorlat
1497  * fix various bugs.
1498  *
1499  * Revision 1.45  2006/03/12 21:48:31  smorlat
1500  * gcc-2.95 compile error fixed.
1501  * mediastreamer2 in progress
1502  *
1503  * Revision 1.44  2006/03/04 11:17:10  smorlat
1504  * mediastreamer2 in progress.
1505  *
1506  * Revision 1.43  2006/02/13 09:50:50  strk
1507  * fixed unused variable warning.
1508  *
1509  * Revision 1.42  2006/02/02 15:39:18  strk
1510  * - Added 'friend list' and 'friend call' commands
1511  * - Allowed for multiple DTFM send in a single line
1512  * - Added status-specific callback (bare version)
1513  *
1514  * Revision 1.41  2006/02/02 13:30:05  strk
1515  * - Padded vtable with missing callbacks
1516  *   (fixing a segfault on friends subscription)
1517  * - Handled friends notify (bare version)
1518  * - Handled text messages receive (bare version)
1519  * - Printed message on subscription request (bare version)
1520  *
1521  * Revision 1.40  2006/01/26 09:48:05  strk
1522  * Added limits.h include
1523  *
1524  * Revision 1.39  2006/01/26 02:11:01  strk
1525  * Removed unused variables, fixed copyright date
1526  *
1527  * Revision 1.38  2006/01/25 18:33:02  strk
1528  * Removed the -t swich, terminate_on_close made the default behaviour
1529  *
1530  * Revision 1.37  2006/01/20 14:12:34  strk
1531  * Added linphonec_init() and linphonec_finish() functions.
1532  * Handled SIGINT and SIGTERM to invoke linphonec_finish().
1533  * Handling of auto-termination (-t) moved to linphonec_finish().
1534  * Reworked main (input read) loop to not rely on 'terminate'
1535  * and 'run' variable (dropped). configfile_name allocated on stack
1536  * using PATH_MAX limit. Changed print_usage signature to allow
1537  * for an exit_status specification.
1538  *
1539  * Revision 1.36  2006/01/18 09:25:32  strk
1540  * Command completion inhibited in proxy addition and auth request prompts.
1541  * Avoided use of readline's internal filename completion.
1542  *
1543  * Revision 1.35  2006/01/14 13:29:32  strk
1544  * Reworked commands interface to use a table structure,
1545  * used by command line parser and help function.
1546  * Implemented first level of completion (commands).
1547  * Added notification of invalid "answer" and "terminate"
1548  * commands (no incoming call, no active call).
1549  * Forbidden "call" intialization when a call is already active.
1550  * Cleaned up all commands, adding more feedback and error checks.
1551  *
1552  * Revision 1.34  2006/01/13 13:00:29  strk
1553  * Added linphonec.h. Code layout change (added comments, forward decl,
1554  * globals on top, copyright notices and Logs). Handled out-of-memory
1555  * condition on history management. Removed assumption on sizeof(char).
1556  * Fixed bug in authentication prompt (introduced by readline).
1557  * Added support for multiple authentication requests (up to MAX_PENDING_AUTH).
1558  *
1559  *
1560  ****************************************************************************/
1561