X-Git-Url: https://jfr.im/git/solanum.git/blobdiff_plain/89bfeb8fb141d9889c29d50cde9e398d4c457cc6..5ca20c098a125787a130daaa5c539d10784236cf:/extensions/ip_cloaking_4.0.c diff --git a/extensions/ip_cloaking_4.0.c b/extensions/ip_cloaking_4.0.c index cc92360f..d7313af6 100644 --- a/extensions/ip_cloaking_4.0.c +++ b/extensions/ip_cloaking_4.0.c @@ -1,5 +1,5 @@ -/* - * Charybdis: an advanced ircd +/* + * Solanum: a slightly advanced ircd * ip_cloaking.c: provide user hostname cloaking * * Written originally by nenolod, altered to use FNV by Elizabeth in 2008 @@ -17,6 +17,8 @@ #include "s_serv.h" #include "numeric.h" +static const char ip_cloaking_desc[] = "New IP cloaking module that uses user mode +x instead of +h"; + static int _modinit(void) { @@ -38,34 +40,37 @@ _moddeinit(void) static void check_umode_change(void *data); static void check_new_user(void *data); mapi_hfn_list_av1 ip_cloaking_hfnlist[] = { - { "umode_changed", (hookfn) check_umode_change }, - { "new_local_user", (hookfn) check_new_user }, + { "umode_changed", check_umode_change }, + { "new_local_user", check_new_user }, { NULL, NULL } }; -DECLARE_MODULE_AV1(ip_cloaking, _modinit, _moddeinit, NULL, NULL, - ip_cloaking_hfnlist, "$Revision: 3526 $"); +DECLARE_MODULE_AV2(ip_cloaking, _modinit, _moddeinit, NULL, NULL, + ip_cloaking_hfnlist, NULL, NULL, ip_cloaking_desc); static void -distribute_hostchange(struct Client *client) +distribute_hostchange(struct Client *client_p, char *newhost) { - if (irccmp(client->host, client->orighost)) - sendto_one_numeric(client, RPL_HOSTHIDDEN, "%s :is now your hidden host", - client->host); + if (newhost != client_p->orighost) + sendto_one_numeric(client_p, RPL_HOSTHIDDEN, "%s :is now your hidden host", + newhost); else - sendto_one_numeric(client, RPL_HOSTHIDDEN, "%s :hostname reset", - client->host); + sendto_one_numeric(client_p, RPL_HOSTHIDDEN, "%s :hostname reset", + newhost); sendto_server(NULL, NULL, CAP_EUID | CAP_TS6, NOCAPS, ":%s CHGHOST %s :%s", - use_id(&me), use_id(client), client->host); + use_id(&me), use_id(client_p), newhost); sendto_server(NULL, NULL, CAP_TS6, CAP_EUID, ":%s ENCAP * CHGHOST %s :%s", - use_id(&me), use_id(client), client->host); - if (irccmp(client->host, client->orighost)) - SetDynSpoof(client); + use_id(&me), use_id(client_p), newhost); + + change_nick_user_host(client_p, client_p->name, client_p->username, newhost, 0, "Changing host"); + + if (newhost != client_p->orighost) + SetDynSpoof(client_p); else - ClearDynSpoof(client); + ClearDynSpoof(client_p); } static void @@ -85,7 +90,7 @@ do_host_cloak_ip(const char *inbuf, char *outbuf) { ipv6 = 1; - /* Damn you IPv6... + /* Damn you IPv6... * We count the number of colons so we can calculate how much * of the host to cloak. This is because some hostmasks may not * have as many octets as we'd like. @@ -100,7 +105,7 @@ do_host_cloak_ip(const char *inbuf, char *outbuf) else if (!strchr(outbuf, '.')) return; - for (tptr = outbuf; *tptr != '\0'; tptr++) + for (tptr = outbuf; *tptr != '\0'; tptr++) { if (*tptr == ':' || *tptr == '.') { @@ -128,7 +133,7 @@ do_host_cloak_host(const char *inbuf, char *outbuf) rb_strlcpy(outbuf, inbuf, HOSTLEN + 1); - /* pass 1: scramble first section of hostname using base26 + /* pass 1: scramble first section of hostname using base26 * alphabet toasted against the FNV hash of the string. * * numbers are not changed at this time, only letters. @@ -138,7 +143,7 @@ do_host_cloak_host(const char *inbuf, char *outbuf) if (*tptr == '.') break; - if (isdigit(*tptr) || *tptr == '-') + if (isdigit((unsigned char)*tptr) || *tptr == '-') continue; *tptr = b26_alphabet[(*tptr + accum) % 26]; @@ -150,11 +155,11 @@ do_host_cloak_host(const char *inbuf, char *outbuf) /* pass 2: scramble each number in the address */ for (tptr = outbuf; *tptr != '\0'; tptr++) { - if (isdigit(*tptr)) + if (isdigit((unsigned char)*tptr)) *tptr = '0' + (*tptr + accum) % 10; accum = (accum << 1) | (accum >> 31); - } + } } static void @@ -179,8 +184,7 @@ check_umode_change(void *vdata) } if (strcmp(source_p->host, source_p->localClient->mangledhost)) { - rb_strlcpy(source_p->host, source_p->localClient->mangledhost, HOSTLEN + 1); - distribute_hostchange(source_p); + distribute_hostchange(source_p, source_p->localClient->mangledhost); } else /* not really nice, but we need to send this numeric here */ sendto_one_numeric(source_p, RPL_HOSTHIDDEN, "%s :is now your hidden host", @@ -191,8 +195,7 @@ check_umode_change(void *vdata) if (source_p->localClient->mangledhost != NULL && !strcmp(source_p->host, source_p->localClient->mangledhost)) { - rb_strlcpy(source_p->host, source_p->orighost, HOSTLEN + 1); - distribute_hostchange(source_p); + distribute_hostchange(source_p, source_p->orighost); } } }