source: mediastreamer2/linphone/console/commands.c @ 244:341831610f7f

/****************************************************************************
 *
 *  $Id: commands.c,v 1.39 2008/07/03 15:08:34 smorlat Exp $
 *
 *  Copyright (C) 2006  Sandro Santilli <strk@keybit.net>
 *  Copyright (C) 2004  Simon MORLAT <simon.morlat@linphone.org>
 *
****************************************************************************
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 ****************************************************************************/

#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <limits.h>
#include <ctype.h>
#include <unistd.h>
#include <linphonecore.h>
#include "linphonec.h"

/***************************************************************************
 *
 *  Forward declarations 
 *
 ***************************************************************************/

extern char *lpc_strip_blanks(char *input);

/* Command handlers */
static int lpc_cmd_help(LinphoneCore *, char *);
static int lpc_cmd_proxy(LinphoneCore *, char *);
static int lpc_cmd_call(LinphoneCore *, char *);
static int lpc_cmd_answer(LinphoneCore *, char *);
static int lpc_cmd_terminate(LinphoneCore *, char *);
static int lpc_cmd_call_logs(LinphoneCore *, char *);
static int lpc_cmd_ipv6(LinphoneCore *, char *);
static int lpc_cmd_refer(LinphoneCore *, char *);
static int lpc_cmd_quit(LinphoneCore *, char *);
static int lpc_cmd_nat(LinphoneCore *, char *);
static int lpc_cmd_stun(LinphoneCore *, char *);
static int lpc_cmd_firewall(LinphoneCore *, char *);
static int lpc_cmd_friend(LinphoneCore *, char*);
static int lpc_cmd_soundcard(LinphoneCore *, char *);
static int lpc_cmd_play(LinphoneCore *, char *);
static int lpc_cmd_record(LinphoneCore *, char *);
static int lpc_cmd_register(LinphoneCore *, char *);
static int lpc_cmd_unregister(LinphoneCore *, char *);
static int lpc_cmd_duration(LinphoneCore *lc, char *args);

/* Command handler helpers */
static void linphonec_proxy_add(LinphoneCore *lc);
static void linphonec_proxy_display(LinphoneProxyConfig *lc);
static void linphonec_proxy_list(LinphoneCore *lc);
static void linphonec_proxy_remove(LinphoneCore *lc, int index);
static  int linphonec_proxy_use(LinphoneCore *lc, int index);
static void linphonec_proxy_show(LinphoneCore *lc,int index);
static void linphonec_friend_display(LinphoneFriend *fr);
static int linphonec_friend_list(LinphoneCore *lc, char *arg);
static void linphonec_display_command_help(LPC_COMMAND *cmd);
static int linphonec_friend_call(LinphoneCore *lc, unsigned int num);
static int linphonec_friend_add(LinphoneCore *lc, const char *name, const char *addr);
static int linphonec_friend_delete(LinphoneCore *lc, int num);



/* Command table management */
static LPC_COMMAND *lpc_find_command(const char *name);

void linphonec_out(const char *fmt,...);



/***************************************************************************
 *
 *  Global variables
 *
 ***************************************************************************/

/*
 * Commands table.
 */
LPC_COMMAND commands[] = {
        { "help", lpc_cmd_help, "Print commands help", NULL },
        { "call", lpc_cmd_call, "Call a SIP uri",
                "'call <sip-url>' or 'c <sip-url>' "
                ": initiate a call to the specified destination."
                },
        { "terminate", lpc_cmd_terminate, "Terminate the current call",
                NULL },
        { "answer", lpc_cmd_answer, "Answer a call",
                "Accept an incoming call."
        },
        { "proxy", lpc_cmd_proxy, "Manage proxies",
                "'proxy list' : list all proxy setups.\n"
                "'proxy add' : add a new proxy setup.\n"
                "'proxy remove <index>' : remove proxy setup with number index.\n"
                "'proxy use <index>' : use proxy with number index as default proxy.\n"
                "'proxy unuse' : don't use a default proxy."
                "'proxy show <index>' : show configuration and status of the proxy numbered by index.\n"
                "'proxy show default' : show configuration and status of the default proxy.\n"
        },
        { "soundcard", lpc_cmd_soundcard, "Manage soundcards",
                "'soundcard list' : list all sound devices.\n"
                "'soundcard use <index>' : select a sound device.\n"
                "'soundcard use files' : use .wav files instead of soundcard\n"
        },
        { "ipv6", lpc_cmd_ipv6, "Use IPV6",
                "'ipv6 status' : show ipv6 usage status.\n"
                "'ipv6 enable' : enable the use of the ipv6 network.\n"
                "'ipv6 disable' : do not use ipv6 network."
        },
        { "refer", lpc_cmd_refer,
                "Refer the current call to the specified destination.",
                "'refer <sip-url>' or 'r <sip-url>' "
                ": refer the current call to the specified destination."
        },
        { "nat", lpc_cmd_nat, "Set nat address",
                "'nat'        : show nat settings.\n"
                "'nat <addr>' : set nat address.\n"
        },
        { "stun", lpc_cmd_stun, "Set stun server address",
                "'stun'        : show stun settings.\n"
                "'stun <addr>' : set stun address.\n"
        },
        { "firewall", lpc_cmd_firewall, "Set ",
                "'firewall'        : show current firewall policy.\n"
                "'firewall none'   : use direct connection.\n"
                "'firewall nat'    : use nat address given with the 'nat' command.\n"
                "'firewall stun'   : use stun server given with the 'server' command.\n"
        },
        { "call-logs", lpc_cmd_call_logs, "Calls history",
                NULL },
        { "friend", lpc_cmd_friend, "Manage friends",
                "'friend list [<pattern>]'    : list friends.\n"
                "'friend call <index>'        : call a friend.\n"
                "'friend add <name> <addr>'   : add friend, <name> must be quoted to include\n"
            "                               spaces, <addr> has \"sip:\" added if it isn't\n"
            "                               there.  Don't use '<' '>' around <addr>.\n"
                "'friend delete <index>'      : remove friend, 'all' removes all\n"
        },
        { "play", lpc_cmd_play, "play from a wav file",
                "This feature is available only in file mode (see 'help soundcard')\n"
                "'play <wav file>'    : play a wav file."
        },
        { "record", lpc_cmd_record, "record to a wav file",
                "This feature is available only in file mode (see 'help soundcard')\n"
                "'record <wav file>'    : record into wav file."
        },
        { "quit", lpc_cmd_quit, "Exit linphonec", NULL },
        { "register", lpc_cmd_register, "Register in one line to a proxy" , "register <sip identity> <sip proxy> <password>"},
        { "unregister", lpc_cmd_unregister, "Unregister from default proxy", NULL       },
        { "duration", lpc_cmd_duration, "Print duration in seconds of the last call.", NULL },
        { (char *)NULL, (lpc_cmd_handler)NULL, (char *)NULL, (char *)NULL }
};

/***************************************************************************
 *
 *  Public interface 
 *
 ***************************************************************************/

/*
 * Main command dispatcher.
 * WARNING: modifies second argument!
 *
 * Always return 1 currently.
 */
int
linphonec_parse_command_line(LinphoneCore *lc, char *cl)
{
        char *ptr=cl;
        char *args=NULL;
        LPC_COMMAND *cmd;

        /* Isolate first word and args */
        while(*ptr && !isspace(*ptr)) ++ptr;
        if (*ptr)
        {
                *ptr='\0';
                /* set args to first nonblank */
                args=ptr+1;
                while(*args && isspace(*args)) ++args;
        }

        /* Handle DTMF */
        if ( isdigit(*cl) || *cl == '#' || *cl == '*' )
        {
                while ( isdigit(*cl) || *cl == '#' || *cl == '*' )
                {
                        linphone_core_send_dtmf(lc, *cl);
                        sleep(1); // be nice
                        ++cl;
                }

                // discard spurious trailing chars
                return 1;
        }

        /* Handle other kind of commands */
        cmd=lpc_find_command(cl);
        if ( !cmd )
        {
                linphonec_out("'%s': Cannot understand this.\n", cl);
                return 1;
        }

        if ( ! cmd->func(lc, args) )
        {
                linphonec_out("Syntax error.\n");
                linphonec_display_command_help(cmd);
        }

        return 1;
}

/*
 * Generator function for command completion.
 * STATE let us know whether to start from scratch;
 * without any state (STATE==0), then we start at the
 * top of the list.
 */
char *
linphonec_command_generator(const char *text, int state)
{
        static int index, len;
        char *name;

        if ( ! state )
        {
                index=0;
                len=strlen(text);
        }

        /*
         * Return the next name which partially matches
         * from the commands list
         */
        while ((name=commands[index].name))
        {
                ++index; /* so next call get next command */

                if (strncmp(name, text, len) == 0)
                {
                        return strdup(name);
                }
        }

        return NULL;
}


/***************************************************************************
 *
 *  Command handlers 
 *
 ***************************************************************************/

static int
lpc_cmd_help(LinphoneCore *lc, char *arg)
{
        int i=0;
        LPC_COMMAND *cmd;

        if (!arg || !*arg)
        {
                linphonec_out("Commands are:\n");
                linphonec_out("---------------------------\n");

                while (commands[i].help)
                {
                        linphonec_out("%10.10s\t%s\n", commands[i].name,
                                commands[i].help);
                        i++;
                }
                
                linphonec_out("---------------------------\n");
                linphonec_out("Type 'help <command>' for more details.\n");

                return 1;
        }

        cmd=lpc_find_command(arg);
        if ( !cmd )
        {
                linphonec_out("No such command.\n");
                return 1;
        }

        linphonec_display_command_help(cmd);
        return 1;

}

static int
lpc_cmd_call(LinphoneCore *lc, char *args)
{
        if ( ! args || ! *args )
        {
                return 0;
        }

        if ( lc->call != NULL )
        {
                linphonec_out("Terminate current call first.\n");
        }
        else
        {
                if ( -1 == linphone_core_invite(lc, args) )
                {
                        linphonec_out("Error from linphone_core_invite.\n");
                }
                else
                {
                        /* current_call=args; */
                }
        }
        return 1;
}

static int
lpc_cmd_refer(LinphoneCore *lc, char *args)
{
        if (args)
                linphone_core_refer(lc, args);
        else{
                linphonec_out("refer needs an argument\n");
        }
        return 1;
}

static int
lpc_cmd_terminate(LinphoneCore *lc, char *args)
{
        if ( -1 == linphone_core_terminate_call(lc, NULL) )
        {
                linphonec_out("No active call.\n");
        }
        return 1;
}

static int
lpc_cmd_answer(LinphoneCore *lc, char *args)
{
        if ( -1 == linphone_core_accept_call(lc, NULL) )
        {
                linphonec_out("No incoming call.\n");
        }
        return 1;
}

static int
lpc_cmd_quit(LinphoneCore *lc, char *args)
{
        linphonec_finish(EXIT_SUCCESS);
        return 1;
}

static int
lpc_cmd_nat(LinphoneCore *lc, char *args)
{
        bool_t use;
        const char *nat;

        if ( args ) args=lpc_strip_blanks(args);

        if ( args && *args )
        {
                linphone_core_set_nat_address(lc, args);
                /* linphone_core_set_firewall_policy(lc,LINPHONE_POLICY_USE_NAT_ADDRESS); */
        }

        nat = linphone_core_get_nat_address(lc);
        use = linphone_core_get_firewall_policy(lc)==LINPHONE_POLICY_USE_NAT_ADDRESS;
        linphonec_out("Nat address: %s%s\n", nat ? nat : "unspecified" , use ? "" : " (disabled - use 'firewall nat' to enable)");

        return 1;
}

static int
lpc_cmd_stun(LinphoneCore *lc, char *args)
{
        bool_t use;
        const char *stun;

        if ( args ) args=lpc_strip_blanks(args);

        if ( args && *args )
        {
                linphone_core_set_stun_server(lc, args);
                /* linphone_core_set_firewall_policy(lc,LINPHONE_POLICY_USE_STUN); */
        }

        stun = linphone_core_get_stun_server(lc);
        use = linphone_core_get_firewall_policy(lc)==LINPHONE_POLICY_USE_STUN;
        linphonec_out("Stun server: %s%s\n", stun ? stun : "unspecified" , use? "" : " (disabled - use 'firewall stun' to enable)");

        return 1;
}

static int
lpc_cmd_firewall(LinphoneCore *lc, char *args)
{
        const char* setting=NULL;

        if ( args ) args=lpc_strip_blanks(args);

        if ( args && *args )
        {
                if (strcmp(args,"none")==0)
                {
                        linphone_core_set_firewall_policy(lc,LINPHONE_POLICY_NO_FIREWALL);
                }
                else if (strcmp(args,"stun")==0)
                {
                        setting = linphone_core_get_stun_server(lc);
                        if ( ! setting )
                        {
                                linphonec_out("No stun server address is defined, use 'stun <address>' first");
                                return 1;
                        }
                        linphone_core_set_firewall_policy(lc,LINPHONE_POLICY_USE_STUN);
                }
                else if (strcmp(args,"nat")==0)
                {
                        setting = linphone_core_get_nat_address(lc);
                        if ( ! setting )
                        {
                                linphonec_out("No nat address is defined, use 'nat <address>' first");
                                return 1;
                        }
                        linphone_core_set_firewall_policy(lc,LINPHONE_POLICY_USE_NAT_ADDRESS);
                }
        }

        switch(linphone_core_get_firewall_policy(lc))
        {
                case LINPHONE_POLICY_NO_FIREWALL:
                        linphonec_out("No firewall\n");
                        break;
                case LINPHONE_POLICY_USE_STUN:
                        linphonec_out("Using stun server %s to discover firewall address\n", setting ? setting : linphone_core_get_stun_server(lc));
                        break;
                case LINPHONE_POLICY_USE_NAT_ADDRESS:
                        linphonec_out("Using supplied nat address %s.\n", setting ? setting : linphone_core_get_nat_address(lc));
                        break;
        }
        return 1;
}

/* Helper function for processing freind names */
static int
lpc_friend_name(char **args, char **name)
{
        /* Use space as a terminator unless quoted */
        if (('"' == **args) || ('\'' == **args)){
                char *end;
                char delim = **args;
                (*args)++;
                end = (*args);
                while ((delim != *end) && ('\0' != *end)) end++;
                if ('\0' == *end) {
                        fprintf(stderr, "Mismatched quotes\n");
                        return 0;
                }
                *name = *args;
                *end = '\0';
                *args = ++end;
        } else {
                *name = strsep(args, " ");
                
                if (NULL == *args) { /* Means there was no separator */
                        fprintf(stderr, "Either name or address is missing\n");
                        return 0;
                }
                if (NULL == *name) return 0;
        }
        return 1;
}

static int
lpc_cmd_friend(LinphoneCore *lc, char *args)
{
        int friend_num;

        if ( args ) args=lpc_strip_blanks(args);

        if ( ! args || ! *args ) return 0;

        if ( !strncmp(args, "list", 4) )
        {
                return linphonec_friend_list(lc, args+4);
                return 1;
        }
        else if ( !strncmp(args, "call", 4) )
        {
                args+=4;
                if ( ! *args ) return 0;
                friend_num = strtol(args, NULL, 10);
                if ( errno == ERANGE ) {
                        linphonec_out("Invalid friend number\n");
                        return 0;
                }
                linphonec_friend_call(lc, friend_num);
                return 1;
        }
        else if ( !strncmp(args, "delete", 6) )
        {
                args+=6;
                if ( ! *args ) return 0;
                while (*args == ' ') args++;
                if ( ! *args ) return 0;
                if (!strncmp(args, "all", 3))
                {
                        friend_num = -1;
                } 
                else
                {
                        friend_num = strtol(args, NULL, 10);
                        if ( errno == ERANGE ) {
                                linphonec_out("Invalid friend number\n");
                                return 0;
                        }
                }
                linphonec_friend_delete(lc, friend_num);
                return 1;
        }
        else if ( !strncmp(args, "add", 3) )
        {
                char  *name;
                char  addr[80];
                char *addr_p = addr;
                char *addr_orig;

                args+=3;
                if ( ! *args ) return 0;
                while (*args == ' ') args++;
                if ( ! *args ) return 0;
                if (!lpc_friend_name(&args,  &name)) return 0;

                while (*args == ' ') args++;
                if ( ! *args ) return 0;
                if (isdigit(*args)) {
                        strcpy (addr, "sip:");
                        addr_p = addr + strlen("sip:");
                }
                addr_orig = strsep(&args, " ");
                if (1 >= strlen(addr_orig)) {
                        fprintf(stderr, "A single-digit address is not valid\n");
                        return 0;
                }
                strcpy(addr_p, addr_orig);
                linphonec_friend_add(lc, name, addr);
                return 1;
        }
        return 0;
}

static int lpc_cmd_play(LinphoneCore *lc, char *args){
        if ( args ) args=lpc_strip_blanks(args);
        if ( ! args || ! *args ) return 0;
        linphone_core_set_play_file(lc,args);
        return 1;
}

static int lpc_cmd_record(LinphoneCore *lc, char *args){
        if ( args ) args=lpc_strip_blanks(args);
        if ( ! args || ! *args ) return 0;
        linphone_core_set_record_file(lc,args);
        return 1;
}

/*
 * Modified input
 */
static int
lpc_cmd_proxy(LinphoneCore *lc, char *args)
{
        char *arg1 = args;
        char *arg2 = NULL;
        char *ptr = args;
        int proxynum;

        if ( ! arg1 ) return 0;

        /* Isolate first and second arg */
        while(*ptr && !isspace(*ptr)) ++ptr;
        if ( *ptr )
        {
                *ptr='\0';
                arg2=ptr+1;
                while(*arg2 && isspace(*arg2)) ++arg2;
        }

        if (strcmp(arg1,"add")==0)
        {
#ifdef HAVE_READLINE
                rl_inhibit_completion=1;
#endif
                linphonec_proxy_add(lc);
#ifdef HAVE_READLINE
                rl_inhibit_completion=0;
#endif
        }
        else if (strcmp(arg1,"list")==0)
        {
                linphonec_proxy_list(lc);
        }
        else if (strcmp(arg1,"remove")==0)
        {
                linphonec_proxy_remove(lc,atoi(arg2));
        }
        else if (strcmp(arg1,"use")==0)
        {
                if ( arg2 && *arg2 )
                {
                        proxynum=atoi(arg2);
                        if ( linphonec_proxy_use(lc, proxynum) )
                                linphonec_out("Default proxy set to %d.\n", proxynum);
                }
                else
                {
                        proxynum=linphone_core_get_default_proxy(lc, NULL);
                        if ( proxynum == -1 ) linphonec_out("No default proxy.\n");
                        else linphonec_out("Current default proxy is %d.\n", proxynum);
                }
        }else if (strcmp(arg1, "unuse")==0){
                linphone_core_set_default_proxy(lc, NULL);
                linphonec_out("Use no proxy.\n");
        }else if (strcmp(arg1,"show")==0){
                if (arg2 && *arg2){
                        if (strstr(arg2,"default")==0){
                                proxynum=linphone_core_get_default_proxy(lc, NULL);
                                linphonec_proxy_show(lc,proxynum);
                        }else linphonec_proxy_show(lc,atoi(arg2));
                }
        }else
        {
                linphonec_out("Syntax error - see 'help proxy'\n");
        }

        return 1;
}

static int
lpc_cmd_call_logs(LinphoneCore *lc, char *args)
{
        MSList *elem=linphone_core_get_call_logs(lc);
        for (;elem!=NULL;elem=ms_list_next(elem))
        {
                LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
                char *str=linphone_call_log_to_str(cl);
                linphonec_out("%s\n",str);
                ms_free(str);
        }
        return 1;
}

static int
lpc_cmd_ipv6(LinphoneCore *lc, char *arg1)
{
        if ( ! arg1 )
        {
                linphonec_out("Syntax error - see 'help ipv6'\n");
                return 1;
        }

        if (strcmp(arg1,"status")==0)
        {
                linphonec_out("ipv6 use enabled: %s\n",linphone_core_ipv6_enabled(lc) ? "true":"false");
        }
        else if (strcmp(arg1,"enable")==0)
        {
                linphone_core_enable_ipv6(lc,TRUE);
                linphonec_out("ipv6 use enabled.\n");
        }
        else if (strcmp(arg1,"disable")==0)
        {
                linphone_core_enable_ipv6(lc,FALSE);
                linphonec_out("ipv6 use disabled.\n");
        }
        else
        {
                linphonec_out("Syntax error - see 'help ipv6'\n");
        }
        return 1;
}

static int lpc_cmd_soundcard(LinphoneCore *lc, char *cmd){
        int i;
        if (cmd==NULL){
                linphonec_out("Syntax error - see 'help soundcard'\n");
                return 1;
        }
        if (strcmp(cmd,"list")==0){
                const char **dev=linphone_core_get_sound_devices(lc);
                for(i=0;dev[i]!=NULL;i++){
                        linphonec_out("%i: %s\n",i,dev[i]);
                }
                return 1;
        }else{
                char *tmp=alloca(strlen(cmd)+1);
                char *card=alloca(strlen(cmd)+1);
                int index;
                int n=sscanf(cmd,"%s %s",tmp,card);
                if (n==2 && strcmp(tmp,"use")==0){
                        if (strcmp(card,"files")==0) {
                                linphonec_out("Using wav files instead of soundcard.\n");
                                linphone_core_use_files(lc,TRUE);
                                return 1;
                        }else{
                                const char **dev=linphone_core_get_sound_devices(lc);
                                index=atoi(card);
                                for(i=0;dev[i]!=NULL;i++){
                                        if (i==index){
                                                linphone_core_set_ringer_device(lc,dev[i]);
                                                linphone_core_set_playback_device(lc,dev[i]);
                                                linphone_core_set_capture_device(lc,dev[i]);
                                                linphonec_out("Using sound device %s\n",dev[i]);
                                                return 1;
                                        }
                                }
                                linphonec_out("no such sound device\n");
                                return 1;
                        }
                }
                linphonec_out("Syntax error - see 'help soundcard'\n");
        }
        return 1;
}

/***************************************************************************
 *
 *  Commands helper functions
 *
 ***************************************************************************/


static void
linphonec_proxy_add(LinphoneCore *lc)
{
        bool_t enable_register=FALSE;
        LinphoneProxyConfig *cfg;

        linphonec_out("Adding new proxy setup. Hit ^D to abort.\n");

        /*
         * SIP Proxy address
         */
        while (1)
        {
                char *input=linphonec_readline("Enter proxy sip address: ");
                char *clean;

                if ( ! input ) {
                        linphonec_out("Aborted.\n");
                        return;
                }

                /* Strip blanks */
                clean=lpc_strip_blanks(input);
                if ( ! *clean ) {
                        free(input);
                        continue;
                }

                cfg=linphone_proxy_config_new();
                if (linphone_proxy_config_set_server_addr(cfg,clean)<0)
                {
                        linphonec_out("Invalid sip address (sip:sip.domain.tld).\n");
                        free(input);
                        linphone_proxy_config_destroy(cfg);
                        continue;
                }
                free(input);
                break;
        }

        /*
         * SIP Proxy identity
         */
        while (1)
        {
                char *input=linphonec_readline("Your identity for this proxy: ");
                char *clean;

                if ( ! input ) {
                        linphonec_out("Aborted.\n");
                        linphone_proxy_config_destroy(cfg);
                        return;
                }

                /* Strip blanks */
                clean=lpc_strip_blanks(input);
                if ( ! *clean ) {
                        free(input);
                        continue;
                }

                linphone_proxy_config_set_identity(cfg, clean);
                if ( ! cfg->reg_identity )
                {
                        linphonec_out("Invalid identity (sip:name@sip.domain.tld).\n");
                        free(input);
                        continue;
                }
                free(input);
                break;
        }

        /*
         * SIP Proxy enable register
         */
        while (1)
        {
                char *input=linphonec_readline("Do you want to register on this proxy (yes/no): ");
                char *clean;

                if ( ! input ) {
                        linphonec_out("Aborted.\n");
                        linphone_proxy_config_destroy(cfg);
                        return;
                }

                /* Strip blanks */
                clean=lpc_strip_blanks(input);
                if ( ! *clean ) {
                        free(input);
                        continue;
                }

                if ( ! strcmp(clean, "yes") ) enable_register=TRUE;
                else if ( ! strcmp(clean, "no") ) enable_register=FALSE;
                else {
                        linphonec_out("Please answer with 'yes' or 'no'\n");
                        free(input);
                        continue;
                }
                linphone_proxy_config_enableregister(cfg, enable_register);
                free(input);
                break;
        }

        /*
         * SIP Proxy registration expiration
         */
        if ( enable_register==TRUE )
        {
                long int expires=0;
                while (1)
                {
                        char *input=linphonec_readline("Specify register expiration time"
                                " in seconds (default is 600): ");

                        if ( ! input ) {
                                linphonec_out("Aborted.\n");
                                linphone_proxy_config_destroy(cfg);
                                return;
                        }

                        expires=strtol(input, (char **)NULL, 10);
                        if ( expires == LONG_MIN || expires == LONG_MAX )
                        {
                                linphonec_out("Invalid value: %s\n", strerror(errno));
                                free(input);
                                continue;
                        }

                        linphone_proxy_config_expires(cfg, expires);
                        linphonec_out("Expiration: %d seconds\n", cfg->expires);

                        free(input);
                        break;
                }
        }

        /*
         * SIP proxy route
         */
        while (1)
        {
                char *input=linphonec_readline("Specify route if needed: ");
                char *clean;

                if ( ! input ) {
                        linphonec_out("Aborted.\n");
                        linphone_proxy_config_destroy(cfg);
                        return;
                }

                /* Strip blanks */
                clean=lpc_strip_blanks(input);
                if ( ! *clean ) {
                        free(input);
                        linphonec_out("No route specified.\n");
                        break;
                }

                linphone_proxy_config_set_route(cfg, clean);
                if ( ! cfg->reg_route )
                {
                        linphonec_out("Invalid route.\n");
                        free(input);
                        continue;
                }

                free(input);
                break;
        }

        /*
         * Final confirmation 
         */
        while (1)
        {
                char *input;
                char *clean;

                linphonec_out("--------------------------------------------\n");
                linphonec_proxy_display(cfg);
                linphonec_out("--------------------------------------------\n");
                input=linphonec_readline("Accept the above proxy configuration (yes/no) ?: ");


                if ( ! input ) {
                        linphonec_out("Aborted.\n");
                        linphone_proxy_config_destroy(cfg);
                        return;
                }

                /* Strip blanks */
                clean=lpc_strip_blanks(input);
                if ( ! *clean ) {
                        free(input);
                        continue;
                }

                if ( ! strcmp(clean, "yes") ) break;
                else if ( ! strcmp(clean, "no") )
                {
                        linphonec_out("Declined.\n");
                        linphone_proxy_config_destroy(cfg);
                        free(input);
                        return;
                }

                linphonec_out("Please answer with 'yes' or 'no'\n");
                free(input);
                continue;
        }


        linphone_core_add_proxy_config(lc,cfg);

        /* automatically set the last entered proxy as the default one */
        linphone_core_set_default_proxy(lc,cfg);

        linphonec_out("Proxy added.\n");
}

static void
linphonec_proxy_display(LinphoneProxyConfig *cfg)
{
        linphonec_out("sip address: %s\nroute: %s\nidentity: %s\nregister: %s\nexpires: %i\nregistered: %s\n",
                        cfg->reg_proxy,
                        (cfg->reg_route!=NULL)?cfg->reg_route:"",
                        (cfg->reg_identity!=NULL)?cfg->reg_identity:"",
                        (cfg->reg_sendregister)?"yes":"no",
                        cfg->expires,
                        linphone_proxy_config_is_registered(cfg) ? "yes" : "no");
}

static void linphonec_proxy_show(LinphoneCore *lc, int index){
        const MSList *elem;
        int i;
        for(elem=linphone_core_get_proxy_config_list(lc),i=0;elem!=NULL;elem=elem->next,++i){
                if (index==i){
                        LinphoneProxyConfig *cfg=(LinphoneProxyConfig *)elem->data;
                        linphonec_proxy_display(cfg);
                        return;
                }
        }
        linphonec_out("No proxy with index %i",index);
}

static void
linphonec_proxy_list(LinphoneCore *lc)
{
        const MSList *proxies;
        int n;
        int def=linphone_core_get_default_proxy(lc,NULL);
        
        proxies=linphone_core_get_proxy_config_list(lc);
        for(n=0;proxies!=NULL;proxies=ms_list_next(proxies),n++){
                if (n==def)
                        linphonec_out("****** Proxy %i - this is the default one - *******\n",n);
                else 
                        linphonec_out("****** Proxy %i *******\n",n);
                linphonec_proxy_display((LinphoneProxyConfig*)proxies->data);
        }
}

static void
linphonec_proxy_remove(LinphoneCore *lc, int index)
{
        const MSList *proxies;
        LinphoneProxyConfig *cfg;
        proxies=linphone_core_get_proxy_config_list(lc);
        cfg=(LinphoneProxyConfig*)ms_list_nth_data(proxies,index);
        if (cfg==NULL){
                linphonec_out("No such proxy.\n");
                return;
        }
        linphone_core_remove_proxy_config(lc,cfg);
        linphonec_out("Proxy %s removed.\n", cfg->reg_proxy);
        linphone_proxy_config_destroy(cfg);
}

static int
linphonec_proxy_use(LinphoneCore *lc, int index)
{
        const MSList *proxies;
        LinphoneProxyConfig *cfg;
        proxies=linphone_core_get_proxy_config_list(lc);
        cfg=(LinphoneProxyConfig*)ms_list_nth_data(proxies,index);
        if (cfg==NULL){
                linphonec_out("No such proxy (try 'proxy list').");
                return 0;
        }
        linphone_core_set_default_proxy(lc,cfg);
        return 1;
}

static void
linphonec_friend_display(LinphoneFriend *fr)
{
        char *name = linphone_friend_get_name(fr);
        char *addr = linphone_friend_get_addr(fr);
        //char *url = linphone_friend_get_url(fr);

        linphonec_out("name: %s\n", name);
        linphonec_out("address: %s\n", addr);
}

static int
linphonec_friend_list(LinphoneCore *lc, char *pat)
{
        const MSList *friend;
        int n;

        if (pat) {
                pat=lpc_strip_blanks(pat);
                if (!*pat) pat = NULL;
        }

        friend = linphone_core_get_friend_list(lc);
        for(n=0; friend!=NULL; friend=ms_list_next(friend), ++n )
        {
                if ( pat ) {
                        char *name = linphone_friend_get_name(friend->data);
                        if ( ! strstr(name, pat) ) continue;
                }
                linphonec_out("****** Friend %i *******\n",n);
                linphonec_friend_display((LinphoneFriend*)friend->data);
        }

        return 1;
}

static int
linphonec_friend_call(LinphoneCore *lc, unsigned int num)
{
        const MSList *friend = linphone_core_get_friend_list(lc);
        unsigned int n;
        char *addr;

        for(n=0; friend!=NULL; friend=ms_list_next(friend), ++n )
        {
                if ( n == num )
                {
                        addr = linphone_friend_get_addr(friend->data);
                        return lpc_cmd_call(lc, addr);
                }
        }
        linphonec_out("No such friend %u\n", num);
        return 1;
}

static int
linphonec_friend_add(LinphoneCore *lc, const char *name, const char *addr)
{
        LinphoneFriend *newFriend;

        char url[PATH_MAX];

        snprintf(url, PATH_MAX, "%s <%s>", name, addr);
        newFriend = linphone_friend_new_with_addr(url);
        linphone_core_add_friend(lc, newFriend);
        return 0;
}

static int
linphonec_friend_delete(LinphoneCore *lc, int num)
{
        const MSList *friend = linphone_core_get_friend_list(lc);
        unsigned int n;

        for(n=0; friend!=NULL; friend=ms_list_next(friend), ++n )
        {
                if ( n == num )
                {
                        linphone_core_remove_friend(lc, friend->data);
                        return 0;
                }
        }

        if (-1 == num) 
        {
                unsigned int i;
                for (i = 0 ; i < n ; i++)
                        linphonec_friend_delete(lc, 0);
                return 0;
        }

        linphonec_out("No such friend %u\n", num);
        return 1;
}

static void
linphonec_display_command_help(LPC_COMMAND *cmd)
{
        if ( cmd->doc ) linphonec_out ("%s\n", cmd->doc);
        else linphonec_out("%s\n", cmd->help);
}


static int lpc_cmd_register(LinphoneCore *lc, char *args){
        char identity[512];
        char proxy[512];
        char passwd[512];
        LinphoneProxyConfig *cfg;
        const MSList *elem;
        passwd[0]=proxy[0]=identity[0]='\0';
        sscanf(args,"%s %s %s",identity,proxy,passwd);
        if (proxy[0]=='\0' || identity[0]=='\0'){
                linphonec_out("Missing parameters, see help register\n");
                return 1;
        }
        if (passwd[0]!='\0'){
                osip_from_t *from;
                LinphoneAuthInfo *info;
                osip_from_init(&from);
                if (osip_from_parse(from,identity)==0){
                        info=linphone_auth_info_new(from->url->username,NULL,passwd,NULL,NULL);
                        linphone_core_add_auth_info(lc,info);
                }
                osip_from_free(from);
        }
        elem=linphone_core_get_proxy_config_list(lc);
        if (elem) {
                cfg=(LinphoneProxyConfig*)elem->data;
                linphone_proxy_config_edit(cfg);
        }
        else cfg=linphone_proxy_config_new();
        linphone_proxy_config_set_identity(cfg,identity);
        linphone_proxy_config_set_server_addr(cfg,proxy);
        linphone_proxy_config_enable_register(cfg,TRUE);
        if (elem) linphone_proxy_config_done(cfg);
        else linphone_core_add_proxy_config(lc,cfg);
        return 1;
}

static int lpc_cmd_unregister(LinphoneCore *lc, char *args){
        LinphoneProxyConfig *cfg=NULL;
        linphone_core_get_default_proxy(lc,&cfg);
        if (cfg) {
                linphone_proxy_config_edit(cfg);
                linphone_proxy_config_enable_register(cfg,FALSE);
                linphone_proxy_config_done(cfg);
        }else{
                linphonec_out("unregistered\n");
        }
        return 1;
}

int lpc_cmd_duration(LinphoneCore *lc, char *args){
        LinphoneCallLog *cl;
        const MSList *elem=linphone_core_get_call_logs(lc);
        for(;elem!=NULL;elem=elem->next){
                if (elem->next==NULL){
                        cl=(LinphoneCallLog*)elem->data;
                        linphonec_out("%i seconds\n",cl->duration);
                }
        }
        return 1;
}

/***************************************************************************
 *
 *  Command table management funx
 *
 ***************************************************************************/

/*
 * Find a command given its name
 */
static LPC_COMMAND *
lpc_find_command(const char *name)
{
        int i;

        for (i=0; commands[i].name; ++i)
        {
                if (strcmp(name, commands[i].name) == 0)
                        return &commands[i];
        }

        return (LPC_COMMAND *)NULL;
}


/****************************************************************************
 *
 * $Log: commands.c,v $
 * Revision 1.39  2008/07/03 15:08:34  smorlat
 * api cleanups, interface in progress.
 *
 * Revision 1.38  2008/06/17 20:38:59  smorlat
 * added missing file.
 *
 * Revision 1.37  2008/04/09 09:26:00  smorlat
 * merge various patches
 * H264 support.
 *
 * Revision 1.36  2007/08/01 14:47:53  strk
 *         * console/commands.c: Clean up commands 'nat', 'stun'
 *           and 'firewall' to be more intuitive.
 *
 * Revision 1.35  2007/06/27 09:01:25  smorlat
 * logging improvements.
 *
 * Revision 1.34  2007/02/20 10:17:13  smorlat
 * linphonec friends patch2
 *
 * Revision 1.31  2006/09/22 07:22:47  smorlat
 * linphonecore api changes.
 *
 * Revision 1.30  2006/09/08 15:32:57  smorlat
 * support for using files instead of soundcard (used by linphonec only)
 *
 * Revision 1.29  2006/08/28 14:29:07  smorlat
 * fix bug.
 *
 * Revision 1.28  2006/08/21 12:49:59  smorlat
 * merged several little patches.
 *
 * Revision 1.27  2006/07/17 18:45:00  smorlat
 * support for several event queues in ortp.
 * glib dependency removed from coreapi/ and console/
 *
 * Revision 1.26  2006/04/14 15:16:36  smorlat
 * soundcard use did nothing !
 *
 * Revision 1.25  2006/04/06 20:09:33  smorlat
 * add linphonec command to see and select sound devices.
 *
 * Revision 1.24  2006/03/04 11:17:10  smorlat
 * mediastreamer2 in progress.
 *
 * Revision 1.23  2006/02/20 21:14:01  strk
 * Handled syntax errors with 'friend' command
 *
 * Revision 1.22  2006/02/20 10:20:29  strk
 * Added substring-based filter support for command 'friend list'
 *
 * Revision 1.21  2006/02/02 15:39:18  strk
 * - Added 'friend list' and 'friend call' commands
 * - Allowed for multiple DTFM send in a single line
 * - Added status-specific callback (bare version)
 *
 * Revision 1.20  2006/01/26 11:54:34  strk
 * More robust 'nat' command handler (strip blanks in args)
 *
 * Revision 1.19  2006/01/26 09:48:05  strk
 * Added limits.h include
 *
 * Revision 1.18  2006/01/26 02:18:05  strk
 * Added new commands 'nat use' and 'nat unuse'.
 * These will required a pending patch to linphonecore.c
 * in order to work.
 *
 * Revision 1.17  2006/01/20 14:12:33  strk
 * Added linphonec_init() and linphonec_finish() functions.
 * Handled SIGINT and SIGTERM to invoke linphonec_finish().
 * Handling of auto-termination (-t) moved to linphonec_finish().
 * Reworked main (input read) loop to not rely on 'terminate'
 * and 'run' variable (dropped). configfile_name allocated on stack
 * using PATH_MAX limit. Changed print_usage signature to allow
 * for an exit_status specification.
 *
 * Revision 1.16  2006/01/18 09:25:32  strk
 * Command completion inhibited in proxy addition and auth request prompts.
 * Avoided use of linphonec_readline's internal filename completion.
 *
 * Revision 1.15  2006/01/14 13:29:32  strk
 * Reworked commands interface to use a table structure,
 * used by command line parser and help function.
 * Implemented first level of completion (commands).
 * Added notification of invalid "answer" and "terminate"
 * commands (no incoming call, no active call).
 * Forbidden "call" intialization when a call is already active.
 * Cleaned up all commands, adding more feedback and error checks.
 *
 * Revision 1.14  2006/01/13 13:00:29  strk
 * Added linphonec.h. Code layout change (added comments, forward decl,
 * globals on top, copyright notices and Logs). Handled out-of-memory
 * condition on history management. Removed assumption on sizeof(char).
 * Fixed bug in authentication prompt (introduced by linphonec_readline).
 * Added support for multiple authentication requests (up to MAX_PENDING_AUTH).
 *
 *
 ****************************************************************************/