| 1 | /**************************************************************************** |
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| 2 | * Copyright (C) 2009 Simon MORLAT <simon.morlat@linphone.org> |
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| 3 | * |
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| 4 | **************************************************************************** |
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| 5 | * |
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| 6 | * This program is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU General Public License |
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| 8 | * as published by the Free Software Foundation; either version 2 |
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| 9 | * of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * This program is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | * GNU General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU General Public License |
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| 17 | * along with this program; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 19 | * |
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| 20 | ****************************************************************************/ |
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| 21 | |
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| 22 | |
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| 23 | #include <stdio.h> |
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| 24 | #include <stdlib.h> |
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| 25 | |
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| 26 | |
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| 27 | #ifdef WIN32 |
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| 28 | #include <ws2tcpip.h> |
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| 29 | #include <ctype.h> |
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| 30 | #include <conio.h> |
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| 31 | #else |
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| 32 | #include <sys/socket.h> |
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| 33 | #include <netdb.h> |
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| 34 | #include <sys/un.h> |
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| 35 | |
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| 36 | #endif |
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| 37 | |
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| 38 | #include "ortp/ortp.h" |
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| 39 | |
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| 40 | #define DEFAULT_TCP_PORT "32333" |
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| 41 | #define DEFAULT_REPLY_SIZE 4096 |
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| 42 | |
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| 43 | #define STATUS_REGISTERED (1<<0) |
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| 44 | #define STATUS_REGISTERING (1<<1) |
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| 45 | #define STATUS_DIALING (1<<2) |
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| 46 | #define STATUS_AUTOANSWER (1<<3) |
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| 47 | #define STATUS_IN_CONNECTED (1<<4) /* incoming call accepted */ |
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| 48 | #define STATUS_OUT_CONNECTED (1<<5) /*outgoing call accepted */ |
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| 49 | |
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| 50 | #ifndef WIN32 |
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| 51 | static int tcp=0; |
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| 52 | #else |
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| 53 | static int tcp=1; |
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| 54 | #endif |
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| 55 | |
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| 56 | static int make_status_value(const char *status_string){ |
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| 57 | int ret=0; |
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| 58 | if (strstr(status_string,"registered, identity=")){ |
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| 59 | ret|=STATUS_REGISTERED; |
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| 60 | } |
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| 61 | if (strstr(status_string,"registered=-1")){ |
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| 62 | ret|=STATUS_REGISTERING; |
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| 63 | } |
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| 64 | if (strstr(status_string,"autoanswer=1")){ |
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| 65 | ret|=STATUS_AUTOANSWER; |
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| 66 | } |
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| 67 | if (strstr(status_string,"dialing")){ |
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| 68 | ret|=STATUS_DIALING; |
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| 69 | } |
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| 70 | if (strstr(status_string,"Call out")){ |
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| 71 | ret|=STATUS_OUT_CONNECTED; |
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| 72 | } |
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| 73 | if (strstr(status_string,"hook=answered")){ |
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| 74 | ret|=STATUS_IN_CONNECTED; |
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| 75 | } |
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| 76 | return ret; |
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| 77 | } |
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| 78 | |
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| 79 | static int send_command(const char *command, const char * port, char *reply, int reply_len, int print_errors){ |
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| 80 | ortp_socket_t sock; |
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| 81 | int i; |
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| 82 | int err; |
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| 83 | if (tcp){ |
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| 84 | struct addrinfo *ai=NULL; |
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| 85 | struct addrinfo hints; |
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| 86 | memset(&hints,0,sizeof(hints)); |
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| 87 | hints.ai_family=AF_INET; |
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| 88 | hints.ai_socktype=SOCK_STREAM; |
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| 89 | err=getaddrinfo("127.0.0.1",port,&hints,&ai); |
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| 90 | if (err!=0){ |
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| 91 | if (print_errors) fprintf(stderr,"ERROR: getaddrinfo failed: error %i\n", err); |
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| 92 | return -1; |
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| 93 | } |
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| 94 | sock=socket(PF_INET,SOCK_STREAM,IPPROTO_TCP); |
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| 95 | if (connect(sock,ai->ai_addr,ai->ai_addrlen)!=0){ |
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| 96 | if (print_errors) fprintf(stderr,"ERROR: Failed to connect socket.\n"); |
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| 97 | freeaddrinfo(ai); |
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| 98 | return -1; |
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| 99 | } |
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| 100 | freeaddrinfo(ai); |
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| 101 | }else{ |
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| 102 | #ifndef WIN32 |
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| 103 | struct sockaddr_un sa; |
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| 104 | char path[128]; |
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| 105 | sock=socket(AF_UNIX,SOCK_STREAM,0); |
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| 106 | sa.sun_family=AF_UNIX; |
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| 107 | snprintf(path,sizeof(path)-1,"/tmp/linphonec-%i",getuid()); |
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| 108 | strncpy(sa.sun_path,path,sizeof(sa.sun_path)-1); |
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| 109 | if (connect(sock,(struct sockaddr*)&sa,sizeof(sa))!=0){ |
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| 110 | if (print_errors) fprintf(stderr,"ERROR: Failed to connect socket: %s\n",getSocketError()); |
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| 111 | return -1; |
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| 112 | } |
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| 113 | #else |
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| 114 | fprintf(stderr,"ERROR: windows pipes communication not yet implemented.\n"); |
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| 115 | return -1; |
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| 116 | #endif |
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| 117 | } |
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| 118 | if (send(sock,command,strlen(command),0)<0){ |
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| 119 | if (print_errors) fprintf(stderr,"ERROR: Fail to send command to remote linphonec\n"); |
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| 120 | close_socket(sock); |
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| 121 | return -1; |
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| 122 | } |
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| 123 | /*wait for replies */ |
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| 124 | i=0; |
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| 125 | while ((err=recv(sock,&reply[i],reply_len-i-1,0))>0){ |
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| 126 | i+=err; |
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| 127 | } |
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| 128 | reply[i]='\0'; |
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| 129 | close_socket(sock); |
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| 130 | return 0; |
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| 131 | } |
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| 132 | |
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| 133 | static void print_usage(void){ |
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| 134 | fprintf(stderr,"Usage:\nlinphonecsh <action> [arguments]\n" |
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| 135 | "where action is one of\n" |
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| 136 | "\tinit\t\t: spawn a linphonec daemon (first step to make other actions)\n" |
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| 137 | "\t\t\tfollowed by the arguments sent to linphonec\n" |
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| 138 | "\tgeneric\t\t: sends a generic command to the running linphonec daemon\n" |
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| 139 | "\t\t\tfollowed by the generic command surrounded by quotes,\n\t\t\t for example \"call sip:joe@example.net\"\n" |
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| 140 | "\tregister\t: register; arguments are \n\t\t\t--host <host>\n\t\t\t--username <username>\n\t\t\t--password <password>\n" |
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| 141 | "\tunregister\t: unregister\n" |
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| 142 | "\tdial\t\t: dial <sip uri or number>\n" |
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| 143 | "\tstatus\t\t: can be 'status register', 'status autoanswer' or 'status hook'\n" |
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| 144 | "\texit\t\t: make the linphonec daemon to exit.\n" |
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| 145 | ); |
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| 146 | exit(-1); |
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| 147 | } |
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| 148 | |
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| 149 | #define MAX_ARGS 10 |
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| 150 | |
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| 151 | #ifndef WIN32 |
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| 152 | static void spawn_linphonec(int argc, char *argv[]){ |
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| 153 | char * args[10]; |
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| 154 | int i,j; |
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| 155 | pid_t pid; |
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| 156 | j=0; |
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| 157 | args[j++]="linphonec"; |
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| 158 | if (tcp){ |
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| 159 | args[j++]="--tcp"; |
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| 160 | args[j++]=DEFAULT_TCP_PORT; |
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| 161 | }else args[j++]="--pipe"; |
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| 162 | args[j++]="-c"; |
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| 163 | args[j++]="/dev/null"; |
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| 164 | for(i=0;i<argc;++i){ |
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| 165 | args[j++]=argv[i]; |
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| 166 | } |
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| 167 | args[j++]=NULL; |
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| 168 | |
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| 169 | pid = fork(); |
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| 170 | if (pid < 0){ |
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| 171 | fprintf(stderr,"Could not fork\n"); |
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| 172 | exit(-1); |
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| 173 | } |
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| 174 | if (pid == 0) { |
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| 175 | int fd; |
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| 176 | /*we are the new process*/ |
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| 177 | setsid(); |
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| 178 | |
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| 179 | fd = open("/dev/null", O_RDWR); |
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| 180 | if (fd==-1){ |
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| 181 | fprintf(stderr,"Could not open /dev/null\n"); |
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| 182 | exit(-1); |
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| 183 | } |
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| 184 | dup2(fd, 0); |
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| 185 | dup2(fd, 1); |
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| 186 | dup2(fd, 2); |
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| 187 | close(fd); |
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| 188 | |
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| 189 | if (execvp("linphonec",args)==-1){ |
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| 190 | fprintf(stderr,"Fail to spawn linphonec: %s\n",strerror(errno)); |
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| 191 | exit(-1); |
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| 192 | } |
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| 193 | } |
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| 194 | } |
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| 195 | #else |
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| 196 | |
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| 197 | static void spawn_linphonec(int argc, char *argv[]){ |
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| 198 | PPROCESS_INFORMATION pi; |
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| 199 | STARTUPINFO si; |
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| 200 | ZeroMemory( &si, sizeof(si) ); |
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| 201 | si.cb = sizeof(si); |
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| 202 | ZeroMemory( &pi, sizeof(pi) ); |
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| 203 | |
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| 204 | |
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| 205 | BOOL ret=CreateProcess(NULL,"linphonec.exe --tcp " DEFAULT_TCP_PORT " -c NUL", |
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| 206 | NULL, |
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| 207 | NULL, |
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| 208 | FALSE, |
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| 209 | 0, |
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| 210 | NULL, |
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| 211 | NULL, |
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| 212 | &si, |
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| 213 | &pi); |
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| 214 | if (!ret){ |
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| 215 | fprintf(stderr,"Spawning of linphonec.exe failed.\n"); |
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| 216 | } |
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| 217 | } |
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| 218 | |
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| 219 | #endif |
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| 220 | |
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| 221 | static int send_generic_command(const char *command, int print_result){ |
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| 222 | char reply[DEFAULT_REPLY_SIZE]; |
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| 223 | int err; |
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| 224 | err=send_command(command,DEFAULT_TCP_PORT,reply,sizeof(reply),print_result); |
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| 225 | if (err==0 && print_result) { |
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| 226 | printf("%s",reply); |
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| 227 | fflush(stdout); |
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| 228 | } |
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| 229 | return err; |
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| 230 | } |
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| 231 | |
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| 232 | static int register_execute(int argc, char *argv[]){ |
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| 233 | char cmd[512]; |
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| 234 | char *username=NULL; |
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| 235 | char *host=NULL; |
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| 236 | char *passwd=NULL; |
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| 237 | int i; |
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| 238 | for(i=0;i<argc;++i){ |
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| 239 | if (strcmp(argv[i],"--host")==0){ |
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| 240 | i++; |
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| 241 | if (i<argc){ |
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| 242 | host=argv[i]; |
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| 243 | }else print_usage(); |
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| 244 | }else if (strcmp(argv[i],"--username")==0){ |
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| 245 | i++; |
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| 246 | if (i<argc){ |
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| 247 | username=argv[i]; |
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| 248 | }else print_usage(); |
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| 249 | }else if (strcmp(argv[i],"--password")==0){ |
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| 250 | i++; |
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| 251 | if (i<argc){ |
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| 252 | passwd=argv[i]; |
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| 253 | }else print_usage(); |
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| 254 | }else print_usage(); |
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| 255 | } |
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| 256 | if (username==NULL) { |
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| 257 | fprintf(stderr,"Missing --username\n"); |
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| 258 | print_usage(); |
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| 259 | } |
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| 260 | if (host==NULL) { |
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| 261 | fprintf(stderr,"Missing --host\n"); |
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| 262 | print_usage(); |
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| 263 | } |
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| 264 | if (passwd) snprintf(cmd,sizeof(cmd),"register sip:%s@%s sip:%s %s",username,host,host,passwd); |
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| 265 | else snprintf(cmd,sizeof(cmd),"register sip:%s@%s sip:%s",username,host,host); |
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| 266 | return send_generic_command(cmd,TRUE); |
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| 267 | } |
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| 268 | |
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| 269 | static int unregister_execute(int argc, char *argv[]){ |
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| 270 | return send_generic_command("unregister",FALSE); |
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| 271 | } |
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| 272 | |
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| 273 | |
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| 274 | static int dial_execute(int argc, char *argv[]){ |
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| 275 | char cmd[512]; |
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| 276 | if (argc==1){ |
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| 277 | snprintf(cmd,sizeof(cmd),"call %s",argv[0]); |
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| 278 | return send_generic_command(cmd,TRUE); |
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| 279 | }else{ |
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| 280 | print_usage(); |
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| 281 | } |
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| 282 | return -1; |
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| 283 | } |
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| 284 | |
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| 285 | static int status_execute(int argc, char *argv[]){ |
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| 286 | char cmd[512]; |
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| 287 | char reply[DEFAULT_REPLY_SIZE]; |
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| 288 | int err; |
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| 289 | |
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| 290 | if (argc==1){ |
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| 291 | snprintf(cmd,sizeof(cmd),"status %s",argv[0]); |
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| 292 | err=send_command(cmd,DEFAULT_TCP_PORT,reply,sizeof(reply),TRUE); |
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| 293 | if (err==0) { |
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| 294 | printf("%s",reply); |
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| 295 | err=make_status_value(reply); |
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| 296 | } |
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| 297 | return err; |
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| 298 | }else{ |
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| 299 | print_usage(); |
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| 300 | } |
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| 301 | return -1; |
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| 302 | } |
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| 303 | |
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| 304 | int main(int argc, char *argv[]){ |
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| 305 | int argi; |
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| 306 | if (argc<2){ |
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| 307 | print_usage(); |
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| 308 | return -1; |
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| 309 | } |
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| 310 | ortp_init(); |
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| 311 | for(argi=1;argi<argc;++argi){ |
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| 312 | if (strcmp(argv[argi],"--tcp")==0){ |
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| 313 | tcp=1; |
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| 314 | }else if (strcmp(argv[argi],"init")==0){ |
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| 315 | /*check if there is running instance*/ |
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| 316 | if (send_generic_command("help",0)==0){ |
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| 317 | fprintf(stderr,"A running linphonec has been found, not spawning a second one.\n"); |
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| 318 | return 0; |
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| 319 | } |
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| 320 | spawn_linphonec(argc-argi-1,&argv[argi+1]); |
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| 321 | if (tcp) fprintf(stderr,"WARNING: using --tcp is unsafe: unprivilegied users can make calls.\n"); |
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| 322 | return 0; |
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| 323 | }else if (strcmp(argv[argi],"generic")==0){ |
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| 324 | if (argi+1<argc){ |
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| 325 | return send_generic_command(argv[argi+1],1); |
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| 326 | }else print_usage(); |
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| 327 | }else if (strcmp(argv[argi],"register")==0){ |
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| 328 | return register_execute(argc-argi-1,&argv[argi+1]); |
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| 329 | }else if (strcmp(argv[argi],"unregister")==0){ |
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| 330 | return unregister_execute(argc-argi-1,&argv[argi+1]); |
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| 331 | }else if (strcmp(argv[argi],"dial")==0){ |
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| 332 | return dial_execute(argc-argi-1,&argv[argi+1]); |
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| 333 | }else if (strcmp(argv[argi],"hangup")==0){ |
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| 334 | send_generic_command("terminate",FALSE); |
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| 335 | send_generic_command("duration",TRUE); |
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| 336 | }else if (strcmp(argv[argi],"status")==0){ |
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| 337 | return status_execute(argc-argi-1,&argv[argi+1]); |
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| 338 | }else if (strcmp(argv[argi],"exit")==0){ |
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| 339 | return send_generic_command("quit",TRUE); |
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| 340 | }else print_usage(); |
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| 341 | } |
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| 342 | return 0; |
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| 343 | } |
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