/* CTCP: DCC RESUME - requesting to resume DCC SEND */
static void ctcp_msg_dcc_resume(IRC_SERVER_REC *server, const char *data,
const char *nick, const char *addr,
const char *target, DCC_REC *chat)
{
FILE_DCC_REC *dcc;
char *str;
uoff_t size;
int pasv_id = -1;
if (!dcc_ctcp_resume_parse(DCC_SEND_TYPE, data, nick, &dcc, &size, &pasv_id)) {
signal_emit("dcc error ctcp", 5, "RESUME", data,
nick, addr, target);
} else if (dcc != NULL && dcc_resume_file_check(dcc, server, size)) {
if (!dcc_is_passive(dcc)) {
str = g_strdup_printf(DCC_SEND(dcc)->file_quoted ?
"DCC ACCEPT \"%s\" %d %"PRIuUOFF_T :
"DCC ACCEPT %s %d %"PRIuUOFF_T,
dcc->arg, dcc->port, dcc->transfd);
} else {
str = g_strdup_printf(DCC_SEND(dcc)->file_quoted ?
"DCC ACCEPT \"%s\" 0 %"PRIuUOFF_T" %d" :
"DCC ACCEPT %s 0 %"PRIuUOFF_T" %d",
dcc->arg, dcc->transfd, dcc->pasv_id);
}
dcc_ctcp_message(dcc->server, dcc->nick,
dcc->chat, FALSE, str);
g_free(str);
}
}
static void dcc_resume_rec(DCC_REC *dcc)
{
char *str;
g_return_if_fail(dcc != NULL);
dcc->get_type = DCC_GET_RESUME;
dcc->file = dcc_get_download_path(dcc->arg);
dcc->fhandle = open(dcc->file, O_WRONLY, dcc_file_create_mode);
if (dcc->fhandle == -1) {
signal_emit("dcc error file not found", 2, dcc, dcc->file);
dcc_destroy(dcc);
return;
}
dcc->transfd = lseek(dcc->fhandle, 0, SEEK_END);
if (dcc->transfd < 0) dcc->transfd = 0;
dcc->skipped = dcc->transfd;
str = g_strdup_printf("DCC RESUME %s %d %lu",
dcc->arg, dcc->port, dcc->transfd);
dcc_ctcp_message(dcc->nick, dcc->server, dcc->chat, FALSE, str);
g_free(str);
}
/* Resume a DCC GET */
static void dcc_send_resume(GET_DCC_REC *dcc)
{
char *str;
g_return_if_fail(dcc != NULL);
dcc->file = dcc_get_download_path(dcc->arg);
dcc->fhandle = open(dcc->file, O_WRONLY);
if (dcc->fhandle == -1) {
signal_emit("dcc error file not found", 2, dcc, dcc->file);
return;
}
dcc->get_type = DCC_GET_RESUME;
dcc->transfd = lseek(dcc->fhandle, 0, SEEK_END);
if (dcc->transfd < 0) dcc->transfd = 0;
dcc->skipped = dcc->transfd;
if (dcc->skipped == dcc->size) {
/* already received whole file */
dcc->starttime = time(NULL);
dcc_reject(DCC(dcc), NULL);
} else {
str = g_strdup_printf(dcc->file_quoted ?
"DCC RESUME \"%s\" %d %lu" :
"DCC RESUME %s %d %lu",
dcc->arg, dcc->port, dcc->transfd);
dcc_ctcp_message(dcc->server, dcc->nick,
dcc->chat, FALSE, str);
g_free(str);
}
}
static void cmd_ctcp(const char *data, IRC_SERVER_REC *server)
{
CHAT_DCC_REC *dcc;
char *target, *ctcpcmd, *ctcpdata, *str;
void *free_arg;
g_return_if_fail(data != NULL);
if (!cmd_get_params(data, &free_arg, 3 | PARAM_FLAG_GETREST,
&target, &ctcpcmd, &ctcpdata))
return;
if (*target == '\0' || *ctcpcmd == '\0')
cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
if (*target != '=') {
/* handle only DCC CTCPs */
cmd_params_free(free_arg);
return;
}
dcc = dcc_chat_find_id(target+1);
if (dcc != NULL) {
ascii_strup(ctcpcmd);
str = g_strconcat(ctcpcmd, " ", ctcpdata, NULL);
dcc_ctcp_message(server, dcc->nick, dcc, FALSE, str);
g_free(str);
}
cmd_params_free(free_arg);
signal_stop();
}
static void cmd_action(const char *data, IRC_SERVER_REC *server)
{
char *params, *target, *text;
DCC_REC *dcc;
char *str;
g_return_if_fail(data != NULL);
if (*data != '=') {
/* handle only DCC actions */
return;
}
params = cmd_get_params(data, 3 | PARAM_FLAG_GETREST, &target, &text);
if (*target == '\0' || *text == '\0') cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
dcc = dcc_find_item(DCC_TYPE_CHAT, target+1, NULL);
if (dcc != NULL) {
str = g_strdup_printf("ACTION %s", text);
dcc_ctcp_message(dcc->nick, NULL, dcc, FALSE, str);
g_free(str);
}
g_free(params);
signal_stop();
}
static void cmd_ctcp(const char *data, IRC_SERVER_REC *server)
{
char *params, *target, *ctcpcmd, *ctcpdata;
DCC_REC *dcc;
char *str;
g_return_if_fail(data != NULL);
if (server == NULL || !server->connected) cmd_return_error(CMDERR_NOT_CONNECTED);
params = cmd_get_params(data, 3 | PARAM_FLAG_GETREST, &target, &ctcpcmd, &ctcpdata);
if (*target == '\0' || *ctcpcmd == '\0') cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
if (*target != '=') {
/* handle only DCC CTCPs */
g_free(params);
return;
}
dcc = dcc_find_item(DCC_TYPE_CHAT, target+1, NULL);
if (dcc != NULL) {
g_strup(ctcpcmd);
str = g_strdup_printf("%s %s", ctcpcmd, ctcpdata);
dcc_ctcp_message(dcc->nick, NULL, dcc, FALSE, str);
g_free(str);
}
g_free(params);
signal_stop();
}
static void cmd_action(const char *data, IRC_SERVER_REC *server)
{
CHAT_DCC_REC *dcc;
char *target, *text, *str;
void *free_arg;
g_return_if_fail(data != NULL);
if (*data != '=') {
/* handle only DCC actions */
return;
}
if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_GETREST,
&target, &text))
return;
if (*target == '\0' || *text == '\0')
cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
dcc = dcc_chat_find_id(target+1);
if (dcc != NULL) {
str = g_strconcat("ACTION ", text, NULL);
dcc_ctcp_message(server, dcc->nick, dcc, FALSE, str);
g_free(str);
}
cmd_params_free(free_arg);
signal_stop();
}
/* Resume a DCC GET */
static void dcc_send_resume(GET_DCC_REC *dcc)
{
off_t pos;
char *str;
g_return_if_fail(dcc != NULL);
dcc->file = dcc_get_download_path(dcc->arg);
dcc->fhandle = open(dcc->file, O_WRONLY);
if (dcc->fhandle == -1) {
signal_emit("dcc error file open", 3, dcc->nick, dcc->file,
GINT_TO_POINTER(errno));
return;
}
dcc->get_type = DCC_GET_RESUME;
pos = lseek(dcc->fhandle, 0, SEEK_END);
dcc->transfd = pos == (off_t)-1 ? 0 : (unsigned long) pos;
dcc->skipped = dcc->transfd;
if (dcc->skipped == dcc->size) {
/* already received whole file */
dcc->starttime = time(NULL);
dcc_reject(DCC(dcc), NULL);
} else {
str = g_strdup_printf(dcc->file_quoted ?
"DCC RESUME \"%s\" %d %lu" :
"DCC RESUME %s %d %lu",
dcc->arg, dcc->port, dcc->transfd);
dcc_ctcp_message(dcc->server, dcc->nick,
dcc->chat, FALSE, str);
g_free(str);
}
}
static void dcc_resume_send(DCC_REC *dcc, int port)
{
char *str;
g_return_if_fail(dcc != NULL);
g_return_if_fail(dcc->type == DCC_TYPE_SEND);
str = g_strdup_printf("DCC ACCEPT %s %d %lu",
dcc->arg, port, dcc->transfd);
dcc_ctcp_message(dcc->nick, dcc->server, dcc->chat, FALSE, str);
g_free(str);
}
static void cmd_me(const char *data, IRC_SERVER_REC *server, WI_IRC_REC *item)
{
DCC_REC *dcc;
char *str;
g_return_if_fail(data != NULL);
dcc = item_get_dcc(item);
if (dcc == NULL) return;
str = g_strdup_printf("ACTION %s", data);
dcc_ctcp_message(dcc->nick, NULL, dcc, FALSE, str);
g_free(str);
signal_stop();
}
static void cmd_me(const char *data, IRC_SERVER_REC *server, WI_ITEM_REC *item)
{
CHAT_DCC_REC *dcc;
char *str;
g_return_if_fail(data != NULL);
dcc = item_get_dcc(item);
if (dcc == NULL) return;
str = g_strconcat("ACTION ", data, NULL);
dcc_ctcp_message(server, dcc->nick, dcc, FALSE, str);
g_free(str);
signal_stop();
}
/* CTCP: DCC RESUME - requesting to resume DCC SEND */
static void ctcp_msg_dcc_resume(IRC_SERVER_REC *server, const char *data,
const char *nick, const char *addr,
const char *target, DCC_REC *chat)
{
FILE_DCC_REC *dcc;
char *str;
unsigned long size;
if (!dcc_ctcp_resume_parse(DCC_SEND_TYPE, data, nick, &dcc, &size)) {
signal_emit("dcc error ctcp", 5, "RESUME", data,
nick, addr, target);
} else if (dcc != NULL && dcc_resume_file_check(dcc, server, size)) {
str = g_strdup_printf(DCC_SEND(dcc)->file_quoted ?
"DCC ACCEPT \"%s\" %d %lu" :
"DCC ACCEPT %s %d %lu",
dcc->arg, dcc->port, dcc->transfd);
dcc_ctcp_message(dcc->server, dcc->nick,
dcc->chat, FALSE, str);
g_free(str);
}
}
/* command: DCC SEND */
static void cmd_dcc_send(const char *data, IRC_SERVER_REC *server, WI_IRC_REC *item)
{
char *params, *target, *fname, *str, *ptr;
char host[MAX_IP_LEN];
int hfile, hlisten, port;
long fsize;
DCC_REC *dcc, *chat;
IPADDR own_ip;
g_return_if_fail(data != NULL);
params = cmd_get_params(data, 2 | PARAM_FLAG_GETREST, &target, &fname);
if (*target == '\0' || *fname == '\0') cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
/* if we're in dcc chat, send the request via it. */
chat = item_get_dcc(item);
if (chat != NULL && (chat->mirc_ctcp || g_strcasecmp(target, chat->nick) != 0))
chat = NULL;
if ((server == NULL || !server->connected) && chat == NULL)
cmd_param_error(CMDERR_NOT_CONNECTED);
if (dcc_find_item(DCC_TYPE_SEND, target, fname)) {
signal_emit("dcc error send exists", 2, target, fname);
g_free(params);
return;
}
str = convert_home(fname);
if (!g_path_is_absolute(str)) {
char *path;
g_free(str);
path = convert_home(settings_get_str("dcc_upload_path"));
str = g_strconcat(path, G_DIR_SEPARATOR_S, fname, NULL);
g_free(path);
}
hfile = open(str, O_RDONLY);
g_free(str);
if (hfile == -1) {
signal_emit("dcc error file not found", 2, target, fname);
g_free(params);
return;
}
fsize = lseek(hfile, 0, SEEK_END);
lseek(hfile, 0, SEEK_SET);
/* get the IP address we use with IRC server */
if (net_getsockname(chat != NULL ? chat->handle : server->handle, &own_ip, NULL) == -1) {
close(hfile);
cmd_param_error(CMDERR_ERRNO);
}
/* start listening */
port = settings_get_int("dcc_port");
hlisten = net_listen(&own_ip, &port);
if (hlisten == -1) {
close(hfile);
cmd_param_error(CMDERR_ERRNO);
}
/* skip path, change all spaces to _ */
fname = g_strdup(g_basename(fname));
for (ptr = fname; *ptr != '\0'; ptr++)
if (*ptr == ' ') *ptr = '_';
dcc = dcc_create(DCC_TYPE_SEND, hlisten, target, fname, server, chat);
dcc->port = port;
dcc->size = fsize;
dcc->fhandle = hfile;
dcc->tagread = g_input_add(hlisten, G_INPUT_READ,
(GInputFunction) dcc_send_init, dcc);
/* send DCC request */
dcc_make_address(&own_ip, host);
str = g_strdup_printf("DCC SEND %s %s %d %lu",
fname, host, port, fsize);
dcc_ctcp_message(target, server, chat, FALSE, str);
g_free(str);
g_free(fname);
g_free(params);
}
static int dcc_send_one_file(int queue, const char *target, const char *fname,
IRC_SERVER_REC *server, CHAT_DCC_REC *chat)
{
struct stat st;
char *str;
char host[MAX_IP_LEN];
int hfile, port;
SEND_DCC_REC *dcc;
IPADDR own_ip;
GIOChannel *handle;
if (dcc_find_request(DCC_SEND_TYPE, target, fname)) {
signal_emit("dcc error send exists", 2, target, fname);
return FALSE;
}
str = dcc_send_get_file(fname);
hfile = open(str, O_RDONLY);
g_free(str);
if (hfile == -1) {
signal_emit("dcc error file open", 3, target, fname,
GINT_TO_POINTER(errno));
return FALSE;
}
if (fstat(hfile, &st) < 0) {
g_warning("fstat() failed: %s", strerror(errno));
close(hfile);
return FALSE;
}
/* start listening */
handle = dcc_listen(chat != NULL ? chat->handle :
net_sendbuffer_handle(server->handle),
&own_ip, &port);
if (handle == NULL) {
close(hfile);
g_warning("dcc_listen() failed: %s", strerror(errno));
return FALSE;
}
fname = g_basename(fname);
/* Replace all the spaces with underscore so that lesser
intellgent clients can communicate.. */
if (!settings_get_bool("dcc_send_replace_space_with_underscore"))
str = NULL;
else {
str = g_strdup(fname);
g_strdelimit(str, " ", '_');
fname = str;
}
dcc = dcc_send_create(server, chat, target, fname);
g_free(str);
dcc->handle = handle;
dcc->port = port;
dcc->size = st.st_size;
dcc->fhandle = hfile;
dcc->queue = queue;
dcc->file_quoted = strchr(fname, ' ') != NULL;
dcc->tagconn = g_input_add(handle, G_INPUT_READ,
(GInputFunction) dcc_send_connected, dcc);
/* send DCC request */
signal_emit("dcc request send", 1, dcc);
dcc_ip2str(&own_ip, host);
str = g_strdup_printf(dcc->file_quoted ?
"DCC SEND \"%s\" %s %d %"PRIuUOFF_T :
"DCC SEND %s %s %d %"PRIuUOFF_T,
dcc->arg, host, port, dcc->size);
dcc_ctcp_message(server, target, chat, FALSE, str);
g_free(str);
return TRUE;
}
