[7daec06] | 1 | /* |
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| 2 | * skype.c - Skype plugin for BitlBee |
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| 3 | * |
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| 4 | * Copyright (c) 2007 by Miklos Vajna <vmiklos@frugalware.org> |
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[f06e3ac] | 5 | * |
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[7daec06] | 6 | * Several ideas are used from the BitlBee Jabber plugin, which is |
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| 7 | * |
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| 8 | * Copyright (c) 2006 by Wilmer van der Gaast <wilmer@gaast.net> |
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| 9 | * |
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| 10 | * This program is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License as published by |
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| 12 | * the Free Software Foundation; either version 2 of the License, or |
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| 13 | * (at your option) any later version. |
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| 14 | * |
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| 15 | * This program is distributed in the hope that it will be useful, |
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 18 | * GNU General Public License for more details. |
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| 19 | * |
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| 20 | * You should have received a copy of the GNU General Public License |
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| 21 | * along with this program; if not, write to the Free Software |
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| 22 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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| 23 | * USA. |
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[f06e3ac] | 24 | */ |
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[7daec06] | 25 | |
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[f06e3ac] | 26 | #include <stdio.h> |
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[ed2e37f] | 27 | #include <poll.h> |
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[f06e3ac] | 28 | #include <bitlbee.h> |
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| 29 | |
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| 30 | #define SKYPE_PORT_DEFAULT "2727" |
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| 31 | |
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[bbba374] | 32 | /* |
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| 33 | * Enumerations |
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| 34 | */ |
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| 35 | |
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| 36 | typedef enum |
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| 37 | { |
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| 38 | SKYPE_CALL_RINGING, |
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| 39 | SKYPE_CALL_MISSED |
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| 40 | } skype_call_status; |
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| 41 | |
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[7daec06] | 42 | /* |
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| 43 | * Structures |
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| 44 | */ |
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| 45 | |
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[f06e3ac] | 46 | struct skype_data |
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| 47 | { |
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| 48 | struct im_connection *ic; |
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[a3d6427] | 49 | char *username; |
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[368861e] | 50 | /* The effective file descriptor. We store it here so any function can |
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| 51 | * write() to it. */ |
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[f06e3ac] | 52 | int fd; |
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[368861e] | 53 | /* File descriptor returned by bitlbee. we store it so we know when |
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| 54 | * we're connected and when we aren't. */ |
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| 55 | int bfd; |
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[7daec06] | 56 | /* When we receive a new message id, we query the handle, then the |
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| 57 | * body. Store the handle here so that we imcb_buddy_msg() when we got |
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| 58 | * the body. */ |
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[77c1abe] | 59 | char *handle; |
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[bbba374] | 60 | /* This is necessary because we send a notification when we get the |
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| 61 | * handle. So we store the state here and then we can send a |
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| 62 | * notification about the handle is in a given status. */ |
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| 63 | skype_call_status call_status; |
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[f06e3ac] | 64 | }; |
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| 65 | |
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[adce2de] | 66 | struct skype_away_state |
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| 67 | { |
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| 68 | char *code; |
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| 69 | char *full_name; |
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| 70 | }; |
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| 71 | |
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[7daec06] | 72 | struct skype_buddy_ask_data |
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| 73 | { |
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| 74 | struct im_connection *ic; |
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| 75 | char *handle; |
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| 76 | }; |
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| 77 | |
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| 78 | /* |
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| 79 | * Tables |
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| 80 | */ |
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| 81 | |
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[adce2de] | 82 | const struct skype_away_state skype_away_state_list[] = |
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| 83 | { |
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| 84 | { "ONLINE", "Online" }, |
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| 85 | { "SKYPEME", "Skype Me" }, |
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| 86 | { "AWAY", "Away" }, |
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| 87 | { "NA", "Not available" }, |
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| 88 | { "DND", "Do Not Disturb" }, |
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| 89 | { "INVISIBLE", "Invisible" }, |
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[23411c6] | 90 | { "OFFLINE", "Offline" }, |
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| 91 | { NULL, NULL} |
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[adce2de] | 92 | }; |
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| 93 | |
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[7daec06] | 94 | /* |
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| 95 | * Functions |
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| 96 | */ |
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[d3cbd17] | 97 | |
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[f06e3ac] | 98 | static void skype_init( account_t *acc ) |
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| 99 | { |
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| 100 | set_t *s; |
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| 101 | |
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| 102 | s = set_add( &acc->set, "port", SKYPE_PORT_DEFAULT, set_eval_int, acc ); |
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| 103 | s->flags |= ACC_SET_OFFLINE_ONLY; |
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| 104 | |
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| 105 | s = set_add( &acc->set, "server", NULL, set_eval_account, acc ); |
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| 106 | s->flags |= ACC_SET_NOSAVE | ACC_SET_OFFLINE_ONLY; |
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| 107 | } |
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| 108 | |
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| 109 | int skype_write( struct im_connection *ic, char *buf, int len ) |
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| 110 | { |
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| 111 | struct skype_data *sd = ic->proto_data; |
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[1fb89e3] | 112 | struct pollfd pfd[1]; |
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| 113 | |
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| 114 | pfd[0].fd = sd->fd; |
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| 115 | pfd[0].events = POLLOUT; |
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[f06e3ac] | 116 | |
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[7daec06] | 117 | /* This poll is necessary or we'll get a SIGPIPE when we write() to |
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| 118 | * sd->fd. */ |
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[1fb89e3] | 119 | poll(pfd, 1, 1000); |
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| 120 | if(pfd[0].revents & POLLHUP) |
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| 121 | { |
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| 122 | imcb_error( ic, "Could not connect to server" ); |
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| 123 | imc_logout( ic, TRUE ); |
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| 124 | return FALSE; |
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| 125 | } |
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[9fd4241] | 126 | write( sd->fd, buf, len ); |
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[f06e3ac] | 127 | |
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[9fd4241] | 128 | return TRUE; |
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[f06e3ac] | 129 | } |
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| 130 | |
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[d3cbd17] | 131 | static void skype_buddy_ask_yes( gpointer w, struct skype_buddy_ask_data *bla ) |
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| 132 | { |
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| 133 | char *buf = g_strdup_printf("SET USER %s ISAUTHORIZED TRUE", bla->handle); |
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| 134 | skype_write( bla->ic, buf, strlen( buf ) ); |
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| 135 | g_free(buf); |
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| 136 | g_free(bla->handle); |
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| 137 | g_free(bla); |
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| 138 | } |
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| 139 | |
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| 140 | static void skype_buddy_ask_no( gpointer w, struct skype_buddy_ask_data *bla ) |
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| 141 | { |
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| 142 | char *buf = g_strdup_printf("SET USER %s ISAUTHORIZED FALSE", bla->handle); |
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| 143 | skype_write( bla->ic, buf, strlen( buf ) ); |
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| 144 | g_free(buf); |
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| 145 | g_free(bla->handle); |
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| 146 | g_free(bla); |
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| 147 | } |
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| 148 | |
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| 149 | void skype_buddy_ask( struct im_connection *ic, char *handle, char *message) |
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| 150 | { |
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| 151 | struct skype_buddy_ask_data *bla = g_new0( struct skype_buddy_ask_data, 1 ); |
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| 152 | char *buf; |
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| 153 | |
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| 154 | bla->ic = ic; |
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| 155 | bla->handle = g_strdup(handle); |
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| 156 | |
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| 157 | buf = g_strdup_printf( "The user %s wants to add you to his/her buddy list, saying: '%s'.", handle, message); |
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| 158 | imcb_ask( ic, buf, bla, skype_buddy_ask_yes, skype_buddy_ask_no ); |
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| 159 | g_free( buf ); |
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| 160 | } |
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| 161 | |
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[1323e36] | 162 | static gboolean skype_read_callback( gpointer data, gint fd, b_input_condition cond ) |
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| 163 | { |
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| 164 | struct im_connection *ic = data; |
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| 165 | struct skype_data *sd = ic->proto_data; |
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| 166 | char buf[1024]; |
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| 167 | int st; |
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[9fd4241] | 168 | char **lines, **lineptr, *line, *ptr; |
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[1323e36] | 169 | |
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[98bca36] | 170 | if( !sd || sd->fd == -1 ) |
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[1323e36] | 171 | return FALSE; |
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[7daec06] | 172 | /* Read the whole data. */ |
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[1323e36] | 173 | st = read( sd->fd, buf, sizeof( buf ) ); |
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| 174 | if( st > 0 ) |
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| 175 | { |
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| 176 | buf[st] = '\0'; |
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[7daec06] | 177 | /* Then split it up to lines. */ |
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[9fd4241] | 178 | lines = g_strsplit(buf, "\n", 0); |
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| 179 | lineptr = lines; |
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| 180 | while((line = *lineptr)) |
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| 181 | { |
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| 182 | if(!strlen(line)) |
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| 183 | break; |
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| 184 | if(!strncmp(line, "USERS ", 6)) |
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| 185 | { |
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| 186 | char **i; |
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| 187 | char **nicks; |
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| 188 | |
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| 189 | nicks = g_strsplit(line + 6, ", ", 0); |
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| 190 | i = nicks; |
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| 191 | while(*i) |
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| 192 | { |
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| 193 | g_snprintf(buf, 1024, "GET USER %s ONLINESTATUS\n", *i); |
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| 194 | skype_write( ic, buf, strlen( buf ) ); |
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| 195 | i++; |
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| 196 | } |
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| 197 | g_strfreev(nicks); |
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| 198 | } |
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| 199 | else if(!strncmp(line, "USER ", 5)) |
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| 200 | { |
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[adce2de] | 201 | int flags = 0; |
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[be975f8] | 202 | char *status = strrchr(line, ' '); |
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| 203 | char *user = strchr(line, ' '); |
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[adce2de] | 204 | status++; |
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[be975f8] | 205 | ptr = strchr(++user, ' '); |
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| 206 | *ptr = '\0'; |
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[6627d92] | 207 | ptr++; |
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[7daec06] | 208 | if(!strncmp(ptr, "ONLINESTATUS ", 13) && |
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| 209 | strcmp(user, sd->username) != 0 |
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| 210 | && strcmp(user, "echo123") != 0) |
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[a3d6427] | 211 | { |
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| 212 | ptr = g_strdup_printf("%s@skype.com", user); |
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| 213 | imcb_add_buddy(ic, ptr, NULL); |
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| 214 | if(strcmp(status, "OFFLINE") != 0) |
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| 215 | flags |= OPT_LOGGED_IN; |
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| 216 | if(strcmp(status, "ONLINE") != 0 && strcmp(status, "SKYPEME") != 0) |
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| 217 | flags |= OPT_AWAY; |
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| 218 | imcb_buddy_status(ic, ptr, flags, NULL, NULL); |
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| 219 | g_free(ptr); |
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| 220 | } |
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[d3cbd17] | 221 | else if(!strncmp(ptr, "RECEIVEDAUTHREQUEST ", 20)) |
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| 222 | { |
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| 223 | char *message = ptr + 20; |
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| 224 | if(strlen(message)) |
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| 225 | skype_buddy_ask(ic, user, message); |
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| 226 | } |
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| 227 | else if(!strncmp(ptr, "BUDDYSTATUS ", 12)) |
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| 228 | { |
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| 229 | char *st = ptr + 12; |
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| 230 | if(!strcmp(st, "3")) |
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| 231 | { |
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| 232 | char *buf = g_strdup_printf("%s@skype.com", user); |
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| 233 | imcb_add_buddy(ic, buf, NULL); |
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| 234 | g_free(buf); |
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| 235 | } |
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| 236 | } |
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[9fd4241] | 237 | } |
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[77c1abe] | 238 | else if(!strncmp(line, "CHATMESSAGE ", 12)) |
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| 239 | { |
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| 240 | char *id = strchr(line, ' '); |
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| 241 | if(++id) |
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| 242 | { |
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| 243 | char *info = strchr(id, ' '); |
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| 244 | *info = '\0'; |
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| 245 | info++; |
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| 246 | if(!strcmp(info, "STATUS RECEIVED")) |
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| 247 | { |
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[7daec06] | 248 | /* New message ID: |
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| 249 | * (1) Request its from field |
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| 250 | * (2) Request its body |
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| 251 | * (3) Mark it as seen |
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| 252 | */ |
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[77c1abe] | 253 | g_snprintf(buf, 1024, "GET CHATMESSAGE %s FROM_HANDLE\n", id); |
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| 254 | skype_write( ic, buf, strlen( buf ) ); |
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| 255 | g_snprintf(buf, 1024, "GET CHATMESSAGE %s BODY\n", id); |
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| 256 | skype_write( ic, buf, strlen( buf ) ); |
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[62bb4e4] | 257 | g_snprintf(buf, 1024, "SET CHATMESSAGE %s SEEN\n", id); |
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| 258 | skype_write( ic, buf, strlen( buf ) ); |
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[77c1abe] | 259 | } |
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| 260 | else if(!strncmp(info, "FROM_HANDLE ", 12)) |
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| 261 | { |
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| 262 | info += 12; |
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[7daec06] | 263 | /* New from field value. Store |
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| 264 | * it, then we can later use it |
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| 265 | * when we got the message's |
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| 266 | * body. */ |
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[7613670] | 267 | g_free(sd->handle); |
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[77c1abe] | 268 | sd->handle = g_strdup_printf("%s@skype.com", info); |
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[5d1b0774] | 269 | } |
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| 270 | else if(!strncmp(info, "EDITED_BY ", 10)) |
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| 271 | { |
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| 272 | info += 10; |
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| 273 | /* This is the same as |
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| 274 | * FROM_HANDLE, except that we |
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| 275 | * never request these lines |
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| 276 | * from Skype, we just get |
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| 277 | * them. */ |
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| 278 | g_free(sd->handle); |
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| 279 | sd->handle = g_strdup_printf("%s@skype.com", info); |
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[77c1abe] | 280 | } |
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| 281 | else if(!strncmp(info, "BODY ", 5)) |
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| 282 | { |
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| 283 | info += 5; |
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[4eaff41] | 284 | if(sd->handle && strlen(info)) |
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[7daec06] | 285 | { |
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| 286 | /* New body, we have everything to use imcb_buddy_msg() now! */ |
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[ed2e37f] | 287 | imcb_buddy_msg(ic, sd->handle, info, 0, 0); |
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[7daec06] | 288 | } |
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[77c1abe] | 289 | } |
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| 290 | } |
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| 291 | } |
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[ecfbc5d] | 292 | else if(!strncmp(line, "CALL ", 5)) |
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| 293 | { |
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| 294 | char *id = strchr(line, ' '); |
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| 295 | if(++id) |
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| 296 | { |
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| 297 | char *info = strchr(id, ' '); |
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| 298 | *info = '\0'; |
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| 299 | info++; |
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| 300 | if(!strcmp(info, "STATUS RINGING")) |
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| 301 | { |
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| 302 | g_snprintf(buf, 1024, "GET CALL %s PARTNER_HANDLE\n", id); |
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| 303 | skype_write( ic, buf, strlen( buf ) ); |
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[bbba374] | 304 | sd->call_status = SKYPE_CALL_RINGING; |
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| 305 | } |
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| 306 | else if(!strcmp(info, "STATUS MISSED")) |
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| 307 | { |
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| 308 | g_snprintf(buf, 1024, "GET CALL %s PARTNER_HANDLE\n", id); |
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| 309 | skype_write( ic, buf, strlen( buf ) ); |
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| 310 | sd->call_status = SKYPE_CALL_MISSED; |
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[ecfbc5d] | 311 | } |
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| 312 | else if(!strncmp(info, "PARTNER_HANDLE ", 15)) |
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| 313 | { |
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| 314 | info += 15; |
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[bbba374] | 315 | switch(sd->call_status) |
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| 316 | { |
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| 317 | case SKYPE_CALL_RINGING: |
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| 318 | imcb_log(ic, "The user %s is currently ringing you.", info); |
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| 319 | break; |
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| 320 | case SKYPE_CALL_MISSED: |
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| 321 | imcb_log(ic, "You have missed a call from user %s.", info); |
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| 322 | break; |
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| 323 | } |
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[ecfbc5d] | 324 | } |
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| 325 | } |
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| 326 | } |
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[9fd4241] | 327 | lineptr++; |
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| 328 | } |
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| 329 | g_strfreev(lines); |
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[1323e36] | 330 | } |
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| 331 | else if( st == 0 || ( st < 0 && !sockerr_again() ) ) |
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| 332 | { |
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| 333 | closesocket( sd->fd ); |
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| 334 | sd->fd = -1; |
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| 335 | |
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| 336 | imcb_error( ic, "Error while reading from server" ); |
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| 337 | imc_logout( ic, TRUE ); |
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| 338 | return FALSE; |
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| 339 | } |
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| 340 | return TRUE; |
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| 341 | } |
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| 342 | |
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[f06e3ac] | 343 | gboolean skype_start_stream( struct im_connection *ic ) |
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| 344 | { |
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[1323e36] | 345 | struct skype_data *sd = ic->proto_data; |
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[f06e3ac] | 346 | char *buf; |
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| 347 | int st; |
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| 348 | |
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[1fb89e3] | 349 | if(!sd) |
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| 350 | return FALSE; |
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| 351 | |
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[368861e] | 352 | if( sd->bfd <= 0 ) |
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| 353 | sd->bfd = b_input_add( sd->fd, GAIM_INPUT_READ, skype_read_callback, ic ); |
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[1323e36] | 354 | |
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[7daec06] | 355 | /* This will download all buddies. */ |
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[9fd4241] | 356 | buf = g_strdup_printf("SEARCH FRIENDS\n"); |
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[f06e3ac] | 357 | st = skype_write( ic, buf, strlen( buf ) ); |
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| 358 | g_free(buf); |
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[348a3a2] | 359 | buf = g_strdup_printf("SET USERSTATUS ONLINE\n"); |
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| 360 | skype_write( ic, buf, strlen( buf ) ); |
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| 361 | g_free(buf); |
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[f06e3ac] | 362 | return st; |
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| 363 | } |
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| 364 | |
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| 365 | gboolean skype_connected( gpointer data, gint source, b_input_condition cond ) |
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| 366 | { |
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| 367 | struct im_connection *ic = data; |
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[ed2e37f] | 368 | imcb_connected(ic); |
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[f06e3ac] | 369 | return skype_start_stream(ic); |
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| 370 | } |
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| 371 | |
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| 372 | static void skype_login( account_t *acc ) |
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| 373 | { |
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| 374 | struct im_connection *ic = imcb_new( acc ); |
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| 375 | struct skype_data *sd = g_new0( struct skype_data, 1 ); |
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| 376 | |
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| 377 | ic->proto_data = sd; |
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| 378 | |
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| 379 | imcb_log( ic, "Connecting" ); |
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| 380 | sd->fd = proxy_connect(acc->server, set_getint( &acc->set, "port" ), skype_connected, ic ); |
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[a3d6427] | 381 | sd->username = g_strdup( acc->user ); |
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[f06e3ac] | 382 | |
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| 383 | sd->ic = ic; |
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| 384 | } |
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| 385 | |
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| 386 | static void skype_logout( struct im_connection *ic ) |
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| 387 | { |
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| 388 | struct skype_data *sd = ic->proto_data; |
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[98bca36] | 389 | char *buf; |
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| 390 | |
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| 391 | buf = g_strdup_printf("SET USERSTATUS OFFLINE\n"); |
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| 392 | skype_write( ic, buf, strlen( buf ) ); |
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| 393 | g_free(buf); |
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| 394 | |
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[a3d6427] | 395 | g_free(sd->username); |
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[7613670] | 396 | g_free(sd->handle); |
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[f06e3ac] | 397 | g_free(sd); |
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[98bca36] | 398 | ic->proto_data = NULL; |
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[f06e3ac] | 399 | } |
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| 400 | |
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[93ece66] | 401 | static int skype_buddy_msg( struct im_connection *ic, char *who, char *message, int flags ) |
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| 402 | { |
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[77c1abe] | 403 | char *buf, *ptr, *nick; |
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[93ece66] | 404 | int st; |
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| 405 | |
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[cbec0d6] | 406 | nick = g_strdup(who); |
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[77c1abe] | 407 | ptr = strchr(nick, '@'); |
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[0bb1b7f] | 408 | if(ptr) |
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| 409 | *ptr = '\0'; |
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[93ece66] | 410 | |
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[77c1abe] | 411 | buf = g_strdup_printf("MESSAGE %s %s\n", nick, message); |
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| 412 | g_free(nick); |
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[93ece66] | 413 | st = skype_write( ic, buf, strlen( buf ) ); |
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| 414 | g_free(buf); |
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| 415 | |
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| 416 | return st; |
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| 417 | } |
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| 418 | |
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[23411c6] | 419 | const struct skype_away_state *skype_away_state_by_name( char *name ) |
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| 420 | { |
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| 421 | int i; |
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| 422 | |
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| 423 | for( i = 0; skype_away_state_list[i].full_name; i ++ ) |
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| 424 | if( g_strcasecmp( skype_away_state_list[i].full_name, name ) == 0 ) |
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| 425 | return( skype_away_state_list + i ); |
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| 426 | |
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| 427 | return NULL; |
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| 428 | } |
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| 429 | |
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[f06e3ac] | 430 | static void skype_set_away( struct im_connection *ic, char *state_txt, char *message ) |
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| 431 | { |
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[23411c6] | 432 | const struct skype_away_state *state; |
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| 433 | char *buf; |
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| 434 | |
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| 435 | if( strcmp( state_txt, GAIM_AWAY_CUSTOM ) == 0 ) |
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| 436 | state = skype_away_state_by_name( "Away" ); |
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| 437 | else |
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| 438 | state = skype_away_state_by_name( state_txt ); |
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| 439 | buf = g_strdup_printf("SET USERSTATUS %s\n", state->code); |
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| 440 | skype_write( ic, buf, strlen( buf ) ); |
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| 441 | g_free(buf); |
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[f06e3ac] | 442 | } |
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| 443 | |
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| 444 | static GList *skype_away_states( struct im_connection *ic ) |
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| 445 | { |
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[23411c6] | 446 | GList *l = NULL; |
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[adce2de] | 447 | int i; |
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| 448 | |
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[23411c6] | 449 | for( i = 0; skype_away_state_list[i].full_name; i ++ ) |
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| 450 | l = g_list_append( l, (void*) skype_away_state_list[i].full_name ); |
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[adce2de] | 451 | |
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[f06e3ac] | 452 | return l; |
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| 453 | } |
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| 454 | |
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| 455 | static void skype_add_buddy( struct im_connection *ic, char *who, char *group ) |
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| 456 | { |
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[6627d92] | 457 | char *buf, *nick, *ptr; |
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| 458 | |
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[cbec0d6] | 459 | nick = g_strdup(who); |
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[6627d92] | 460 | ptr = strchr(nick, '@'); |
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| 461 | if(ptr) |
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| 462 | *ptr = '\0'; |
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| 463 | buf = g_strdup_printf("SET USER %s BUDDYSTATUS 2 Please authorize me\n", nick); |
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| 464 | skype_write( ic, buf, strlen( buf ) ); |
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| 465 | g_free(nick); |
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[f06e3ac] | 466 | } |
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| 467 | |
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| 468 | static void skype_remove_buddy( struct im_connection *ic, char *who, char *group ) |
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| 469 | { |
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[6627d92] | 470 | char *buf, *nick, *ptr; |
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| 471 | |
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[cbec0d6] | 472 | nick = g_strdup(who); |
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[6627d92] | 473 | ptr = strchr(nick, '@'); |
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| 474 | if(ptr) |
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| 475 | *ptr = '\0'; |
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| 476 | buf = g_strdup_printf("SET USER %s BUDDYSTATUS 1\n", nick); |
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| 477 | skype_write( ic, buf, strlen( buf ) ); |
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| 478 | g_free(nick); |
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[f06e3ac] | 479 | } |
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| 480 | |
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| 481 | void init_plugin(void) |
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| 482 | { |
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| 483 | struct prpl *ret = g_new0( struct prpl, 1 ); |
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| 484 | |
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| 485 | ret->name = "skype"; |
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| 486 | ret->login = skype_login; |
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| 487 | ret->init = skype_init; |
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| 488 | ret->logout = skype_logout; |
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[93ece66] | 489 | ret->buddy_msg = skype_buddy_msg; |
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[f06e3ac] | 490 | ret->away_states = skype_away_states; |
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[7daec06] | 491 | ret->set_away = skype_set_away; |
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[f06e3ac] | 492 | ret->add_buddy = skype_add_buddy; |
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| 493 | ret->remove_buddy = skype_remove_buddy; |
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| 494 | ret->handle_cmp = g_strcasecmp; |
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| 495 | register_protocol( ret ); |
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| 496 | } |
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