github
/
openvpn-gui
mirror of https://github.com/OpenVPN/openvpn-gui
1
0
Fork 0
Code Issues Releases Wiki Activity

fix write to static buffer

pull/1/head
Heiko Hund 2011-07-21 11:43:00 +02:00
parent 42b3ead5f0
commit 2c6eb62c74
1 changed files with 45 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

102
manage.c
View File

@ -19,7 +19,7 @@
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <Winsock2.h>
#include <winsock2.h>
#include "options.h"
#include "main.h"
@ -75,62 +75,6 @@ OpenManagement(connection_t *c, u_long addr, u_short port)
}
/*
* Send a command to the OpenVPN management interface
*/
BOOL
ManagementCommand(connection_t *c, char *command, mgmt_msg_func handler, mgmt_cmd_type type)
{
int res = 0;
int size = strlen(command) + 1;
mgmt_cmd_t *cmd = calloc(1, sizeof(*cmd));
if (cmd == NULL)
return FALSE;
cmd->handler = handler;
cmd->type = type;
if (c->manage.cmd_queue)
{
cmd->next = c->manage.cmd_queue;
cmd->prev = c->manage.cmd_queue->prev;
cmd->next->prev = cmd->prev->next = cmd;
}
else
{
cmd->next = cmd->prev = cmd;
c->manage.cmd_queue = cmd;
}
if (c->manage.cmd_queue == cmd)
{
*(command + size - 1) = '\n';
res = send(c->manage.sk, command, size, 0);
*(command + size - 1) = '\0';
}
if (res != size)
{
if (res == SOCKET_ERROR)
res = 0;
size -= res;
cmd->command = malloc(size);
if (cmd->command == NULL)
{
free(cmd);
return FALSE;
}
memcpy(cmd->command, command + res, size);
*(cmd->command + size - 1) = '\n';
cmd->size = size;
}
return TRUE;
}
/*
* Try to send a queued management command to OpenVPN
*/
@ -152,6 +96,49 @@ SendCommand(connection_t *c)
cmd->size -= res;
}
/*
* Send a command to the OpenVPN management interface
*/
BOOL
ManagementCommand(connection_t *c, char *command, mgmt_msg_func handler, mgmt_cmd_type type)
{
mgmt_cmd_t *cmd = calloc(1, sizeof(*cmd));
if (cmd == NULL)
return FALSE;
cmd->size = strlen(command) + 1;
cmd->command = malloc(cmd->size);
if (cmd->command == NULL)
{
free(cmd);
return FALSE;
}
memcpy(cmd->command, command, cmd->size);
*(cmd->command + cmd->size - 1) = '\n';
cmd->handler = handler;
cmd->type = type;
if (c->manage.cmd_queue)
{
cmd->next = c->manage.cmd_queue;
cmd->prev = c->manage.cmd_queue->prev;
cmd->next->prev = cmd->prev->next = cmd;
}
else
{
cmd->next = cmd->prev = cmd;
c->manage.cmd_queue = cmd;
}
if (c->manage.cmd_queue == cmd)
SendCommand(c);
return TRUE;
}
/*
* Remove a command from a connection's command queue
*/
@ -186,6 +173,7 @@ UnqueueCommand(connection_t *c)
return TRUE;
}
/*
* Handle management socket events asynchronously
*/