X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/7cb3cf60e706665ebe78b8b6d6d5eda80e394946..810e88371a3a238b859adff9969a1f16454d77ad:/snoopctl.c diff --git a/snoopctl.c b/snoopctl.c index 7c49e86..6c79087 100644 --- a/snoopctl.c +++ b/snoopctl.c @@ -5,122 +5,118 @@ /* snoop control */ -char const *cvs_id = "$Id: snoopctl.c,v 1.3 2004/11/18 06:41:03 bodea Exp $"; +char const *cvs_id = "$Id: snoopctl.c,v 1.7 2005/10/11 09:04:53 bodea Exp $"; int plugin_api_version = PLUGIN_API_VERSION; -static struct pluginfuncs *p = 0; +static struct pluginfuncs *f = 0; char *plugin_control_help[] = { - " snoop USER|SID IP PORT Intercept user traffic", - " unsnoop USER|SID Stop intercepting user", - 0 + " snoop USER|SID IP PORT Intercept user traffic", + " unsnoop USER|SID Stop intercepting user", + 0 }; -int plugin_init(struct pluginfuncs *funcs) -{ - if (!funcs) - return 0; - - p = funcs; - return 1; -} - int plugin_control(struct param_control *data) { - sessionidt session; - sessiont *s = 0; - int flag; - char *end; + sessionidt session; + sessiont *s = 0; + int flag; + char *end; - if (data->argc < 1) - return PLUGIN_RET_OK; + if (data->argc < 1) + return PLUGIN_RET_OK; - if (strcmp(data->argv[0], "snoop") && strcmp(data->argv[0], "unsnoop")) - return PLUGIN_RET_OK; // not for us + if (strcmp(data->argv[0], "snoop") && strcmp(data->argv[0], "unsnoop")) + return PLUGIN_RET_OK; // not for us - if (!data->iam_master) - return PLUGIN_RET_NOTMASTER; + if (!data->iam_master) + return PLUGIN_RET_NOTMASTER; - flag = data->argv[0][0] != 'u'; + flag = data->argv[0][0] != 'u'; - if (flag) + if (flag) + { + if (data->argc != 4) { - if (data->argc != 4) - { - data->response = NSCTL_RES_ERR; - data->additional = "requires username or session id and host, port"; - return PLUGIN_RET_STOP; - } + data->response = NSCTL_RES_ERR; + data->additional = "requires username or session id and host, port"; + return PLUGIN_RET_STOP; } - else + } + else + { + if (data->argc != 2) { - if (data->argc != 2) - { - data->response = NSCTL_RES_ERR; - data->additional = "requires username or session id"; - return PLUGIN_RET_STOP; - } + data->response = NSCTL_RES_ERR; + data->additional = "requires username or session id"; + return PLUGIN_RET_STOP; } + } + + if (!(session = strtol(data->argv[1], &end, 10)) || *end) + session = f->get_session_by_username(data->argv[1]); + + if (session) + s = f->get_session_by_id(session); + + if (!s || !s->ip) + { + data->response = NSCTL_RES_ERR; + data->additional = "session not found"; + return PLUGIN_RET_STOP; + } - if (!(session = strtol(data->argv[1], &end, 10)) || *end) - session = p->get_session_by_username(data->argv[1]); + if (flag) + { + in_addr_t ip = inet_addr(data->argv[2]); + uint16_t port = atoi(data->argv[3]); - if (session) - s = p->get_session_by_id(session); + if (!ip || ip == INADDR_NONE) + { + data->response = NSCTL_RES_ERR; + data->additional = "invalid ip address"; + return PLUGIN_RET_STOP; + } - if (!s || !s->ip) + if (!port) { - data->response = NSCTL_RES_ERR; - data->additional = "session not found"; - return PLUGIN_RET_STOP; + data->response = NSCTL_RES_ERR; + data->additional = "invalid port"; + return PLUGIN_RET_STOP; } - if (flag) + if (ip == s->snoop_ip && port == s->snoop_port) { - ipt ip = inet_addr(data->argv[2]); - u16 port = atoi(data->argv[3]); - - if (!ip || ip == INADDR_NONE) - { - data->response = NSCTL_RES_ERR; - data->additional = "invalid ip address"; - return PLUGIN_RET_STOP; - } - - if (!port) - { - data->response = NSCTL_RES_ERR; - data->additional = "invalid port"; - return PLUGIN_RET_STOP; - } - - if (ip == s->snoop_ip && port == s->snoop_port) - { - data->response = NSCTL_RES_ERR; - data->additional = "already intercepted"; - return PLUGIN_RET_STOP; - } - - s->snoop_ip = ip; - s->snoop_port = port; + data->response = NSCTL_RES_ERR; + data->additional = "already intercepted"; + return PLUGIN_RET_STOP; } - else + + s->snoop_ip = ip; + s->snoop_port = port; + } + else + { + if (!s->snoop_ip) { - if (!s->snoop_ip) - { - data->response = NSCTL_RES_ERR; - data->additional = "not intercepted"; - return PLUGIN_RET_STOP; - } - - s->snoop_ip = 0; - s->snoop_port = 0; + data->response = NSCTL_RES_ERR; + data->additional = "not intercepted"; + return PLUGIN_RET_STOP; } - p->session_changed(session); + s->snoop_ip = 0; + s->snoop_port = 0; + } - data->response = NSCTL_RES_OK; - data->additional = 0; + f->session_changed(session); - return PLUGIN_RET_STOP; + data->response = NSCTL_RES_OK; + data->additional = 0; + + return PLUGIN_RET_STOP; +} + +int plugin_init(struct pluginfuncs *funcs) +{ + return ((f = funcs)) ? 1 : 0; }