Lots of DCC related fixes.

Added command_bind_first() and command_bind_last() functions.


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@285 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Timo Sirainen 2000-06-04 01:36:07 +00:00 committed by cras
commit 35fab0c9ef
13 changed files with 1191 additions and 1165 deletions

View file

@ -32,255 +32,306 @@
#include "dcc.h"
static gint dcc_file_create_mode;
static int dcc_file_create_mode;
static gchar *dcc_prepare_path(gchar *fname)
static char *dcc_prepare_path(const char *fname)
{
gchar *str, *ptr, *downpath;
char *str, *downpath;
/* strip all paths from file. */
ptr = strrchr(fname, '/');
if (ptr == NULL) ptr = fname; else ptr++;
downpath = convert_home(settings_get_str("dcc_download_path"));
str = g_strconcat(downpath, G_DIR_SEPARATOR_S, g_basename(fname), NULL);
g_free(downpath);
downpath = convert_home(settings_get_str("dcc_download_path"));
str = g_strdup_printf("%s/%s", downpath, ptr);
g_free(downpath);
return str;
}
return str;
static void sig_dccget_send(DCC_REC *dcc);
void dcc_get_send_received(DCC_REC *dcc)
{
guint32 recd;
recd = (guint32) htonl(dcc->transfd);
memcpy(dcc->count_buf, &recd, 4);
dcc->count_pos = net_transmit(dcc->handle, dcc->count_buf+dcc->count_pos, 4-dcc->count_pos);
if (dcc->count_pos == 4) dcc->count_pos = 0;
/* count_pos might be -1 here. if this happens, the
count_buf should be re-sent.. also, if it's 1, 2 or 3, the
last 1-3 bytes should be sent later. these happen probably
never, but I just want to do it right.. :) */
if (dcc->tagwrite != -1) {
dcc->tagwrite = g_input_add(dcc->handle, G_INPUT_WRITE,
(GInputFunction) sig_dccget_send, dcc);
}
}
/* input function: DCC GET is free to send data */
static void sig_dccget_send(DCC_REC *dcc)
{
guint32 recd;
int ret;
if (dcc->count_pos != 0) {
ret = net_transmit(dcc->handle, dcc->count_buf+dcc->count_pos, 4-dcc->count_pos);
if (dcc->count_pos <= 0)
dcc->count_pos = ret;
else if (ret > 0)
dcc->count_pos += ret;
if (dcc->count_pos == 4) dcc->count_pos = 0;
}
if (dcc->count_pos == 0) {
g_source_remove(dcc->tagwrite);
dcc->tagwrite = -1;
}
memcpy(&recd, dcc->count_buf, 4);
if (recd != (guint32) htonl(dcc->transfd))
dcc_get_send_received(dcc);
}
/* input function: DCC GET received data */
static void dcc_receive(DCC_REC *dcc)
static void sig_dccget_receive(DCC_REC *dcc)
{
guint32 recd;
gint len, ret;
int ret;
g_return_if_fail(dcc != NULL);
g_return_if_fail(dcc != NULL);
for (;;)
{
len = net_receive(dcc->handle, dcc->databuf, dcc->databufsize);
if (len == 0) break;
if (len < 0)
{
/* socket closed - transmit complete (or other side died..) */
signal_emit("dcc closed", 1, dcc);
dcc_destroy(dcc);
return;
}
for (;;) {
ret = net_receive(dcc->handle, dcc->databuf, dcc->databufsize);
if (ret == 0) break;
write(dcc->fhandle, dcc->databuf, len);
dcc->transfd += len;
}
if (ret < 0) {
/* socket closed - transmit complete,
or other side died.. */
signal_emit("dcc closed", 1, dcc);
dcc_destroy(dcc);
return;
}
/* send number of total bytes received - if for some reason we couldn't
send the 4 characters last time, try to somehow fix it this time by
sending missing amount of 0 characters.. */
if (dcc->trans_bytes != 0)
{
recd = (guint32) htonl(0);
dcc->trans_bytes += net_transmit(dcc->handle, ((gchar *) &recd)+dcc->trans_bytes, 4-dcc->trans_bytes);
if (dcc->trans_bytes == 4) dcc->trans_bytes = 0;
}
write(dcc->fhandle, dcc->databuf, ret);
dcc->transfd += ret;
}
if (dcc->trans_bytes == 0)
{
recd = (guint32) htonl(dcc->transfd);
ret = net_transmit(dcc->handle, ((gchar *) &recd), 4);
if (ret > 0 && ret < 4) dcc->trans_bytes = ret;
}
signal_emit("dcc transfer update", 1, dcc);
/* send number of total bytes received */
if (dcc->count_pos <= 0)
dcc_get_send_received(dcc);
signal_emit("dcc transfer update", 1, dcc);
}
static char *get_rename_file(const char *fname)
{
GString *newname;
struct stat statbuf;
char *ret;
int num;
newname = g_string_new(NULL);
num = 1;
do {
g_string_sprintf(newname, "%s.%d", fname, num);
num++;
} while (stat(newname->str, &statbuf) == 0);
ret = newname->str;
g_string_free(newname, FALSE);
return ret;
}
/* callback: net_connect() finished for DCC GET */
static void dcc_get_connect(DCC_REC *dcc)
static void sig_dccget_connected(DCC_REC *dcc)
{
struct stat statbuf;
struct stat statbuf;
char *fname;
g_return_if_fail(dcc != NULL);
g_return_if_fail(dcc != NULL);
g_source_remove(dcc->tagread);
if (net_geterror(dcc->handle) != 0)
{
/* error connecting */
signal_emit("dcc error connect", 1, dcc);
dcc_destroy(dcc);
return;
}
dcc->file = dcc_prepare_path(dcc->arg);
/* if some plugin wants to change the file name/path here.. */
signal_emit("dcc get receive", 1, dcc);
if (stat(dcc->file, &statbuf) == 0 &&
(dcc->get_type == DCC_GET_RENAME || dcc->get_type == DCC_GET_DEFAULT))
{
/* file exists, rename.. */
GString *newname;
gint num;
newname = g_string_new(NULL);
for (num = 1; ; num++)
{
g_string_sprintf(newname, "%s.%d", dcc->file, num);
if (stat(newname->str, &statbuf) != 0) break;
}
g_free(dcc->file);
dcc->file = newname->str;
g_string_free(newname, FALSE);
}
if (dcc->get_type != DCC_GET_RESUME)
{
dcc->fhandle = open(dcc->file, O_WRONLY | O_TRUNC | O_CREAT, dcc_file_create_mode);
if (dcc->fhandle == -1)
{
signal_emit("dcc error file create", 2, dcc, dcc->file);
dcc_destroy(dcc);
return;
}
}
dcc->databufsize = settings_get_int("dcc_block_size") > 0 ? settings_get_int("dcc_block_size") : 2048;
dcc->databuf = g_malloc(dcc->databufsize);
dcc->starttime = time(NULL);
dcc->tagread = g_input_add(dcc->handle, G_INPUT_READ,
(GInputFunction) dcc_receive, dcc);
signal_emit("dcc connected", 1, dcc);
}
/* command: DCC GET */
static void cmd_dcc_get(gchar *data)
{
DCC_REC *dcc;
GSList *tmp, *next;
gchar *params, *nick, *fname;
gboolean found;
g_return_if_fail(data != NULL);
params = cmd_get_params(data, 2 | PARAM_FLAG_GETREST, &nick, &fname);
if (*nick == '\0') cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
dcc = NULL; found = FALSE;
for (tmp = dcc_conns; tmp != NULL; tmp = next)
{
dcc = tmp->data;
next = tmp->next;
if (dcc->dcc_type == DCC_TYPE_GET && dcc->handle == -1 && g_strcasecmp(dcc->nick, nick) == 0 &&
(*fname == '\0' || strcmp(dcc->arg, fname) == 0))
{
/* found! */
found = TRUE;
dcc->handle = net_connect_ip(&dcc->addr, dcc->port,
source_host_ok ? source_host_ip : NULL);
if (dcc->handle != -1)
{
dcc->tagread = g_input_add(dcc->handle, G_INPUT_WRITE|G_INPUT_READ|G_INPUT_EXCEPTION,
(GInputFunction) dcc_get_connect, dcc);
}
else
{
g_source_remove(dcc->tagread);
if (net_geterror(dcc->handle) != 0) {
/* error connecting */
signal_emit("dcc error connect", 1, dcc);
dcc_destroy(dcc);
}
return;
}
}
if (!found)
signal_emit("dcc error get not found", 1, nick);
dcc->file = dcc_prepare_path(dcc->arg);
g_free(params);
/* if some plugin wants to change the file name/path here.. */
signal_emit("dcc get receive", 1, dcc);
if (stat(dcc->file, &statbuf) == 0 && dcc->get_type == DCC_GET_RENAME) {
/* file exists, rename.. */
fname = get_rename_file(dcc->file);
g_free(dcc->file);
dcc->file = fname;
}
if (dcc->get_type != DCC_GET_RESUME) {
dcc->fhandle = open(dcc->file, O_WRONLY | O_TRUNC | O_CREAT, dcc_file_create_mode);
if (dcc->fhandle == -1) {
signal_emit("dcc error file create", 2, dcc, dcc->file);
dcc_destroy(dcc);
return;
}
}
dcc->databufsize = settings_get_int("dcc_block_size");
if (dcc->databufsize <= 0) dcc->databufsize = 2048;
dcc->databuf = g_malloc(dcc->databufsize);
dcc->starttime = time(NULL);
dcc->tagread = g_input_add(dcc->handle, G_INPUT_READ,
(GInputFunction) sig_dccget_receive, dcc);
signal_emit("dcc connected", 1, dcc);
}
/* resume setup: DCC SEND - we either said resume on get, or when we sent,
someone chose resume */
static void dcc_resume_setup(DCC_REC *dcc, gint port)
static void dcc_get_connect(DCC_REC *dcc)
{
gchar *str;
/* Check for DCC_SEND_RESUME */
if (dcc->dcc_type == DCC_TYPE_SEND)
{
if (lseek(dcc->fhandle, dcc->transfd, SEEK_SET) == -1)
{
signal_emit("dcc closed", 1, dcc);
dcc_destroy(dcc);
return;
}
else
{
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);
}
}
/* Check for DCC_GET_RESUME */
if (dcc->dcc_type == DCC_TYPE_GET && dcc->get_type == DCC_GET_RESUME)
{
dcc->handle = net_connect_ip(&dcc->addr, dcc->port,
source_host_ok ? source_host_ip : NULL);
if (dcc->handle != -1)
{
dcc->tagread = g_input_add(dcc->handle, G_INPUT_WRITE|G_INPUT_READ|G_INPUT_EXCEPTION,
(GInputFunction) dcc_get_connect, dcc);
if (dcc->handle != -1) {
dcc->tagread = g_input_add(dcc->handle, G_INPUT_WRITE|G_INPUT_READ|G_INPUT_EXCEPTION,
(GInputFunction) sig_dccget_connected, dcc);
} else {
/* error connecting */
signal_emit("dcc error connect", 1, dcc);
dcc_destroy(dcc);
}
else
{
/* error connecting */
signal_emit("dcc error connect", 1, dcc);
dcc_destroy(dcc);
}
}
}
static void dcc_ctcp_msg(gchar *data, IRC_SERVER_REC *server, gchar *sender, gchar *sendaddr, gchar *target, DCC_REC *chat)
#define dcc_is_unget(dcc) \
((dcc)->type == DCC_TYPE_GET && (dcc)->handle == -1)
static void cmd_dcc_get(const char *data)
{
gchar *params, *type, *arg, *portstr, *sizestr;
gulong size;
gint port;
DCC_REC *dcc;
DCC_REC *dcc;
GSList *tmp, *next;
char *params, *nick, *fname;
int found;
g_return_if_fail(data != NULL);
g_return_if_fail(sender != NULL);
g_return_if_fail(data != NULL);
params = cmd_get_params(data, 4, &type, &arg, &portstr, &sizestr);
if (g_strcasecmp(type, "RESUME") == 0 || g_strcasecmp(type, "ACCEPT") == 0)
{
if (sscanf(portstr, "%d", &port) != 1) port = 0;
if (sscanf(sizestr, "%lu", &size) != 1) size = 0;
params = cmd_get_params(data, 2 | PARAM_FLAG_GETREST, &nick, &fname);
if (*nick == '\0') cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
dcc = NULL; found = FALSE;
for (tmp = dcc_conns; tmp != NULL; tmp = next) {
dcc = tmp->data;
next = tmp->next;
if (dcc_is_unget(dcc) && g_strcasecmp(dcc->nick, nick) == 0 &&
(*fname == '\0' || strcmp(dcc->arg, fname) == 0)) {
found = TRUE;
dcc_get_connect(dcc);
}
}
if (!found)
signal_emit("dcc error get not found", 1, nick);
g_free(params);
}
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 dcc_resume_get(DCC_REC *dcc)
{
g_return_if_fail(dcc != NULL);
g_return_if_fail(dcc->type != DCC_TYPE_GET);
dcc->handle = net_connect_ip(&dcc->addr, dcc->port,
source_host_ok ? source_host_ip : NULL);
if (dcc->handle != -1) {
dcc->tagread = g_input_add(dcc->handle, G_INPUT_WRITE|G_INPUT_READ|G_INPUT_EXCEPTION,
(GInputFunction) dcc_get_connect, dcc);
} else {
/* error connecting */
signal_emit("dcc error connect", 1, dcc);
dcc_destroy(dcc);
}
}
#define is_resume_type(type) \
(g_strcasecmp(type, "RESUME") == 0 || g_strcasecmp(type, "ACCEPT") == 0)
#define is_resume_ok(type, dcc) \
(g_strcasecmp(type, "RESUME") != 0 || ((dcc)->type == DCC_TYPE_SEND && (dcc)->transfd == 0))
#define is_accept_ok(type, dcc) \
(g_strcasecmp(type, "ACCEPT") != 0 || ((dcc)->type == DCC_TYPE_GET && (dcc)->type == DCC_GET_RESUME))
static void dcc_ctcp_msg(const char *data, IRC_SERVER_REC *server,
const char *sender, const char *sendaddr,
const char *target, DCC_REC *chat)
{
char *params, *type, *arg, *portstr, *sizestr;
unsigned long size;
int port;
DCC_REC *dcc;
g_return_if_fail(data != NULL);
g_return_if_fail(sender != NULL);
params = cmd_get_params(data, 4, &type, &arg, &portstr, &sizestr);
port = atoi(portstr);
size = atol(sizestr);
dcc = dcc_find_by_port(sender, port);
if (dcc != NULL && (dcc->dcc_type == DCC_TYPE_GET || dcc->transfd == 0))
{
dcc->transfd = size;
dcc->skipped = size;
dcc_resume_setup(dcc, port);
if (dcc == NULL || !is_resume_type(type) ||
!is_resume_ok(type, dcc) || !is_accept_ok(type, dcc)) {
g_free(params);
return;
}
}
g_free(params);
if (lseek(dcc->fhandle, size, SEEK_SET) != dcc->transfd) {
/* error, or trying to seek after end of file */
signal_emit("dcc closed", 1, dcc);
dcc_destroy(dcc);
return;
}
dcc->transfd = dcc->skipped = size;
if (dcc->type == DCC_TYPE_SEND)
dcc_resume_send(dcc, port);
else
dcc_resume_get(dcc);
g_free(params);
}
static void dcc_resume_rec(DCC_REC *dcc)
{
gchar *str;
char *str;
dcc->file = dcc_prepare_path(dcc->arg);
g_return_if_fail(dcc != NULL);
dcc->get_type = DCC_GET_RESUME;
dcc->file = dcc_prepare_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->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);
}
else
{
dcc->transfd = lseek(dcc->fhandle, 0, SEEK_END);
if (dcc->transfd < 0) dcc->transfd = 0;
dcc->skipped = dcc->transfd;
@ -289,266 +340,247 @@ static void dcc_resume_rec(DCC_REC *dcc)
dcc->arg, dcc->port, dcc->transfd);
dcc_ctcp_message(dcc->nick, dcc->server, dcc->chat, FALSE, str);
g_free(str);
}
}
/* command: DCC RESUME */
static void cmd_dcc_resume(gchar *data)
static void cmd_dcc_resume(const char *data)
{
DCC_REC *dcc;
GSList *tmp;
gchar *params, *nick, *fname;
gboolean found;
DCC_REC *dcc;
GSList *tmp;
char *params, *nick, *fname;
int found;
g_return_if_fail(data != NULL);
g_return_if_fail(data != NULL);
params = cmd_get_params(data, 2 | PARAM_FLAG_GETREST, &nick, &fname);
if (*nick == '\0') cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
params = cmd_get_params(data, 2 | PARAM_FLAG_GETREST, &nick, &fname);
if (*nick == '\0') cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
dcc = NULL; found = FALSE;
for (tmp = dcc_conns; tmp != NULL; tmp = tmp->next)
{
dcc = tmp->data;
dcc = NULL; found = FALSE;
for (tmp = dcc_conns; tmp != NULL; tmp = tmp->next) {
dcc = tmp->data;
if (dcc->dcc_type == DCC_TYPE_GET && dcc->handle == -1 && g_strcasecmp(dcc->nick, nick) == 0 &&
(*fname == '\0' || strcmp(dcc->arg, fname) == 0))
{
/* found! */
dcc->get_type = DCC_GET_RESUME;
dcc_resume_rec(dcc);
found = TRUE;
}
}
if (dcc_is_unget(dcc) && g_strcasecmp(dcc->nick, nick) == 0 &&
(*fname == '\0' || strcmp(dcc->arg, fname) == 0)) {
dcc_resume_rec(dcc);
found = TRUE;
}
}
if (!found)
signal_emit("dcc error get not found", 1, nick);
if (!found)
signal_emit("dcc error get not found", 1, nick);
g_free(params);
g_free(params);
}
/* input function: DCC SEND send more data */
/* input function: DCC SEND - we're ready to send more data */
static void dcc_send_data(DCC_REC *dcc)
{
gint n;
int ret;
g_return_if_fail(dcc != NULL);
g_return_if_fail(dcc != NULL);
if (!dcc->fastsend && !dcc->gotalldata)
{
/* haven't received everything we've send there yet.. */
return;
}
if (!dcc->fastsend && !dcc->gotalldata) {
/* haven't received everything we've send there yet.. */
return;
}
n = read(dcc->fhandle, dcc->databuf, dcc->databufsize);
if (n <= 0)
{
/* end of file .. or some error .. */
if (dcc->fastsend)
{
/* no need to call this function anymore.. in fact it just eats
all the cpu.. */
dcc->waitforend = TRUE;
g_source_remove(dcc->tagwrite);
dcc->tagwrite = -1;
}
else
{
signal_emit("dcc closed", 1, dcc);
dcc_destroy(dcc);
}
return;
}
ret = read(dcc->fhandle, dcc->databuf, dcc->databufsize);
if (ret <= 0) {
/* end of file .. or some error .. */
if (dcc->fastsend) {
/* no need to call this function anymore..
in fact it just eats all the cpu.. */
dcc->waitforend = TRUE;
g_source_remove(dcc->tagwrite);
dcc->tagwrite = -1;
} else {
signal_emit("dcc closed", 1, dcc);
dcc_destroy(dcc);
}
return;
}
dcc->transfd += net_transmit(dcc->handle, dcc->databuf, n);
dcc->gotalldata = FALSE;
ret = net_transmit(dcc->handle, dcc->databuf, ret);
if (ret > 0) dcc->transfd += ret;
dcc->gotalldata = FALSE;
lseek(dcc->fhandle, dcc->transfd, SEEK_SET);
lseek(dcc->fhandle, dcc->transfd, SEEK_SET);
signal_emit("dcc transfer update", 1, dcc);
signal_emit("dcc transfer update", 1, dcc);
}
/* input function: DCC SEND received some data */
/* input function: DCC SEND - received some data */
static void dcc_send_read_size(DCC_REC *dcc)
{
guint32 bytes;
gint ret;
guint32 bytes;
int ret;
g_return_if_fail(dcc != NULL);
g_return_if_fail(dcc != NULL);
if (dcc->read_pos == 4)
return;
if (dcc->count_pos == 4)
return;
/* we need to get 4 bytes.. */
ret = net_receive(dcc->handle, dcc->read_buf+dcc->read_pos, 4-dcc->read_pos);
if (ret == -1)
{
signal_emit("dcc closed", 1, dcc);
dcc_destroy(dcc);
return;
}
/* we need to get 4 bytes.. */
ret = net_receive(dcc->handle, dcc->count_buf+dcc->count_pos, 4-dcc->count_pos);
if (ret == -1) {
signal_emit("dcc closed", 1, dcc);
dcc_destroy(dcc);
return;
}
dcc->read_pos += ret;
dcc->count_pos += ret;
if (dcc->read_pos == 4)
{
bytes = 0; memcpy(&bytes, dcc->read_buf, 4);
bytes = (guint32) ntohl(bytes);
if (dcc->count_pos != 4)
return;
dcc->gotalldata = bytes == dcc->transfd;
dcc->read_pos = 0;
memcpy(&bytes, dcc->count_buf, 4);
bytes = (guint32) ntohl(bytes);
if (!dcc->fastsend)
{
/* send more data.. */
dcc_send_data(dcc);
}
dcc->gotalldata = bytes == dcc->transfd;
dcc->count_pos = 0;
if (dcc->waitforend && dcc->gotalldata)
{
/* file is sent */
signal_emit("dcc closed", 1, dcc);
dcc_destroy(dcc);
return;
}
}
if (!dcc->fastsend) {
/* send more data.. */
dcc_send_data(dcc);
}
if (dcc->waitforend && dcc->gotalldata) {
/* file is sent */
signal_emit("dcc closed", 1, dcc);
dcc_destroy(dcc);
}
}
/* input function: DCC SEND - someone tried to connect to our socket */
static void dcc_send_init(DCC_REC *dcc)
{
gint handle, port;
IPADDR addr;
int handle, port;
IPADDR addr;
g_return_if_fail(dcc != NULL);
g_return_if_fail(dcc != NULL);
/* accept connection */
handle = net_accept(dcc->handle, &addr, &port);
if (handle == -1)
return;
/* accept connection */
handle = net_accept(dcc->handle, &addr, &port);
if (handle == -1)
return;
/* FIXME: add paranoia checking, check if host ip is the same as to who
we sent the DCC SEND request.. */
/* TODO: some kind of paranoia check would be nice. it would check
that the host of the nick who we sent the request matches the
address who connected us. */
g_source_remove(dcc->tagread);
close(dcc->handle);
g_source_remove(dcc->tagread);
close(dcc->handle);
dcc->fastsend = settings_get_bool("dcc_fast_send");
dcc->handle = handle;
memcpy(&dcc->addr, &addr, sizeof(IPADDR));
net_ip2host(&dcc->addr, dcc->addrstr);
dcc->port = port;
dcc->databufsize = settings_get_int("dcc_block_size") > 0 ? settings_get_int("dcc_block_size") : 2048;
dcc->databuf = g_malloc(dcc->databufsize);
dcc->starttime = time(NULL);
dcc->tagread = g_input_add(handle, G_INPUT_READ,
(GInputFunction) dcc_send_read_size, dcc);
dcc->tagwrite = !dcc->fastsend ? -1 :
g_input_add(handle, G_INPUT_WRITE, (GInputFunction) dcc_send_data, dcc);
dcc->starttime = time(NULL);
dcc->fastsend = settings_get_bool("dcc_fast_send");
dcc->handle = handle;
memcpy(&dcc->addr, &addr, sizeof(IPADDR));
net_ip2host(&dcc->addr, dcc->addrstr);
dcc->port = port;
signal_emit("dcc connected", 1, dcc);
dcc->databufsize = settings_get_int("dcc_block_size");
if (dcc->databufsize <= 0) dcc->databufsize = 2048;
dcc->databuf = g_malloc(dcc->databufsize);
if (!dcc->fastsend)
{
/* send first block */
dcc->gotalldata = TRUE;
dcc_send_data(dcc);
}
dcc->tagread = g_input_add(handle, G_INPUT_READ,
(GInputFunction) dcc_send_read_size, dcc);
dcc->tagwrite = !dcc->fastsend ? -1 :
g_input_add(handle, G_INPUT_WRITE, (GInputFunction) dcc_send_data, dcc);
signal_emit("dcc connected", 1, dcc);
if (!dcc->fastsend) {
/* send first block */
dcc->gotalldata = TRUE;
dcc_send_data(dcc);
}
}
/* command: DCC SEND */
static void cmd_dcc_send(gchar *data, IRC_SERVER_REC *server, WI_IRC_REC *item)
static void cmd_dcc_send(const char *data, IRC_SERVER_REC *server, WI_IRC_REC *item)
{
gchar *params, *target, *fname, *str, *ptr;
gint fh, h, port;
glong fsize;
DCC_REC *dcc, *chat;
IPADDR addr;
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);
g_return_if_fail(data != NULL);
params = cmd_get_params(data, 2 | PARAM_FLAG_GETREST, &target, &fname);
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 = irc_item_dcc_chat(item);
/* 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 (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 ((server == NULL || !server->connected) && chat == NULL)
cmd_param_error(CMDERR_NOT_CONNECTED);
if (*target == '\0' || *fname == '\0') cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
if (dcc_find_item(DCC_TYPE_SEND, target, fname)) {
signal_emit("dcc error send exists", 2, target, fname);
g_free(params);
return;
}
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;
str = convert_home(fname);
if (*str != '/')
{
gchar *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);
}
g_free(str);
path = convert_home(settings_get_str("dcc_upload_path"));
str = g_strconcat(path, "/", fname, NULL);
g_free(path);
}
hfile = open(str, O_RDONLY);
g_free(str);
fh = 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);
if (fh == -1)
{
signal_emit("dcc error file not found", 2, target, fname);
/* 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);
return;
}
fsize = lseek(fh, 0, SEEK_END);
lseek(fh, 0, SEEK_SET);
/* get the IP address we use with IRC server */
if (net_getsockname(chat != NULL ? chat->handle : server->handle, &addr, NULL) == -1)
{
close(fh);
cmd_param_error(CMDERR_ERRNO);
}
/* start listening */
port = settings_get_int("dcc_port");
h = net_listen(&addr, &port);
if (h == -1)
{
close(fh);
cmd_param_error(CMDERR_ERRNO);
}
/* skip path */
ptr = strrchr(fname, '/');
if (ptr != NULL) fname = ptr+1;
/* change all spaces to _ */
fname = g_strdup(fname);
for (ptr = fname; *ptr != '\0'; ptr++)
if (*ptr == ' ') *ptr = '_';
dcc = dcc_create(DCC_TYPE_SEND, h, target, fname, server, chat);
dcc->port = port;
dcc->size = fsize;
dcc->fhandle = fh;
dcc->tagread = g_input_add(h, G_INPUT_READ,
(GInputFunction) dcc_send_init, dcc);
/* send DCC request */
str = g_strdup_printf("DCC SEND %s %s %d %lu",
fname, dcc_make_address(&addr), port, fsize);
dcc_ctcp_message(target, server, chat, FALSE, str);
g_free(str);
g_free(fname);
g_free(params);
}
static void read_settings(void)
@ -558,20 +590,20 @@ static void read_settings(void)
void dcc_files_init(void)
{
signal_add("ctcp msg dcc", (SIGNAL_FUNC) dcc_ctcp_msg);
signal_add("setup changed", (SIGNAL_FUNC) read_settings);
signal_add("irssi init finished", (SIGNAL_FUNC) read_settings);
command_bind("dcc send", NULL, (SIGNAL_FUNC) cmd_dcc_send);
command_bind("dcc get", NULL, (SIGNAL_FUNC) cmd_dcc_get);
command_bind("dcc resume", NULL, (SIGNAL_FUNC) cmd_dcc_resume);
signal_add("ctcp msg dcc", (SIGNAL_FUNC) dcc_ctcp_msg);
signal_add("setup changed", (SIGNAL_FUNC) read_settings);
signal_add("irssi init finished", (SIGNAL_FUNC) read_settings);
command_bind("dcc send", NULL, (SIGNAL_FUNC) cmd_dcc_send);
command_bind("dcc get", NULL, (SIGNAL_FUNC) cmd_dcc_get);
command_bind("dcc resume", NULL, (SIGNAL_FUNC) cmd_dcc_resume);
}
void dcc_files_deinit(void)
{
signal_remove("ctcp msg dcc", (SIGNAL_FUNC) dcc_ctcp_msg);
signal_remove("setup changed", (SIGNAL_FUNC) read_settings);
signal_remove("irssi init finished", (SIGNAL_FUNC) read_settings);
command_unbind("dcc send", (SIGNAL_FUNC) cmd_dcc_send);
command_unbind("dcc get", (SIGNAL_FUNC) cmd_dcc_get);
command_unbind("dcc resume", (SIGNAL_FUNC) cmd_dcc_resume);
signal_remove("ctcp msg dcc", (SIGNAL_FUNC) dcc_ctcp_msg);
signal_remove("setup changed", (SIGNAL_FUNC) read_settings);
signal_remove("irssi init finished", (SIGNAL_FUNC) read_settings);
command_unbind("dcc send", (SIGNAL_FUNC) cmd_dcc_send);
command_unbind("dcc get", (SIGNAL_FUNC) cmd_dcc_get);
command_unbind("dcc resume", (SIGNAL_FUNC) cmd_dcc_resume);
}