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ba2da27fa1d1b26ab4450804cb61992cd3af059f
anope/src/hostserv.c
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rob rob@31f1291d-b8d6-0310-a050-a5561fc1590b e058391883 BUILD : 1.7.8 (753) BUGS : N/a NOTES : Merged anope-dev with trunk 
git-svn-id: svn://svn.anope.org/anope/trunk@753 31f1291d-b8d6-0310-a050-a5561fc1590b


git-svn-id: http://anope.svn.sourceforge.net/svnroot/anope/trunk@516 5417fbe8-f217-4b02-8779-1006273d7864
2005-05-02 19:02:12 +00:00

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/* HostServ functions
*
* (C) 2003-2005 Anope Team
* Contact us at info@anope.org
*
* Please read COPYING and README for further details.
*
* Based on the original code of Epona by Lara.
* Based on the original code of Services by Andy Church.
*
* $Id$
*
*/
/*************************************************************************/
#include "services.h"
#include "pseudo.h"
#define HASH(nick) ((tolower((nick)[0])&31)<<5 | (tolower((nick)[1])&31))
void load_hs_dbase_v1(dbFILE * f);
void load_hs_dbase_v2(dbFILE * f);
void load_hs_dbase_v3(dbFILE * f);
HostCore *head = NULL; /* head of the HostCore list */
HostCore *createHostCorelist(HostCore * next, char *nick, char *vIdent,
char *vHost, char *creator, int32 tmp_time);
HostCore *findHostCore(HostCore * head, char *nick, boolean * found);
HostCore *insertHostCore(HostCore * head, HostCore * prev, char *nick,
char *vIdent, char *vHost, char *creator,
int32 tmp_time);
HostCore *deleteHostCore(HostCore * head, HostCore * prev);
void delHostCore(char *nick);
E int is_host_setter(User * u);
E int is_host_remover(User * u);
E int do_on_id(User * u);
E void set_lastmask(User * u);
E int do_hs_sync(NickCore * nc, char *vIdent, char *hostmask,
char *creator, time_t time);
E void moduleAddHostServCmds(void);
/*************************************************************************/
void moduleAddHostServCmds(void)
{
modules_core_init(HostServCoreNumber, HostServCoreModules);
}
/*************************************************************************/
/**
* HostServ initialization.
* @return void
*/
void hostserv_init(void)
{
moduleAddHostServCmds();
}
/*************************************************************************/
/**
* Main HostServ routine.
* @param u User Struct
* @param buf Buffer holding the message
* @return void
*/
void hostserv(User * u, char *buf)
{
char *cmd, *s;
cmd = strtok(buf, " ");
if (!cmd) {
return;
} else if (stricmp(cmd, "\1PING") == 0) {
if (!(s = strtok(NULL, ""))) {
s = "";
}
anope_cmd_ctcp(s_HostServ, u->nick, "PING %s", s);
} else if (skeleton) {
notice_lang(s_HostServ, u, SERVICE_OFFLINE, s_HostServ);
} else {
if (ircd->vhost) {
mod_run_cmd(s_HostServ, u, HOSTSERV, cmd);
} else {
notice_lang(s_HostServ, u, SERVICE_OFFLINE, s_HostServ);
}
}
}
/*************************************************************************/
/* Start of Linked List routines */
/*************************************************************************/
HostCore *hostCoreListHead()
{
return head;
}
/**
* Create HostCore list member
* @param next HostCore next slot
* @param nick Nick to add
* @param vIdent Virtual Ident
* @param vHost Virtual Host
* @param creator Person whom set the vhost
* @param time Time the vhost was Set
* @return HostCore
*/
HostCore *createHostCorelist(HostCore * next, char *nick, char *vIdent,
char *vHost, char *creator, int32 tmp_time)
{
next = malloc(sizeof(HostCore));
if (next == NULL) {
anope_cmd_global(s_HostServ,
"Unable to allocate memory to create the vHost LL, problems i sense..");
} else {
next->nick = malloc(sizeof(char) * strlen(nick) + 1);
next->vHost = malloc(sizeof(char) * strlen(vHost) + 1);
next->creator = malloc(sizeof(char) * strlen(creator) + 1);
if (vIdent)
next->vIdent = malloc(sizeof(char) * strlen(vIdent) + 1);
if ((next->nick == NULL) || (next->vHost == NULL)
|| (next->creator == NULL)) {
anope_cmd_global(s_HostServ,
"Unable to allocate memory to create the vHost LL, problems i sense..");
return NULL;
}
strcpy(next->nick, nick);
strcpy(next->vHost, vHost);
strcpy(next->creator, creator);
if (vIdent) {
if ((next->vIdent == NULL)) {
anope_cmd_global(s_HostServ,
"Unable to allocate memory to create the vHost LL, problems i sense..");
return NULL;
}
strcpy(next->vIdent, vIdent);
} else {
next->vIdent = NULL;
}
next->time = tmp_time;
next->next = NULL;
return next;
}
return NULL;
}
/*************************************************************************/
/**
* Returns either NULL for the head, or the location of the *PREVIOUS*
* record, this is where we need to insert etc..
* @param head HostCore head
* @param nick Nick to find
* @param found If found
* @return HostCore
*/
HostCore *findHostCore(HostCore * head, char *nick, boolean * found)
{
HostCore *previous, *current;
*found = false;
current = head;
previous = current;
if (!nick) {
return NULL;
}
while (current != NULL) {
if (stricmp(nick, current->nick) == 0) {
*found = true;
break;
} else if (stricmp(nick, current->nick) < 0) {
/* we know were not gonna find it now.... */
break;
} else {
previous = current;
current = current->next;
}
}
if (current == head) {
return NULL;
} else {
return previous;
}
}
/*************************************************************************/
HostCore *insertHostCore(HostCore * head, HostCore * prev, char *nick,
char *vIdent, char *vHost, char *creator,
int32 tmp_time)
{
HostCore *newCore, *tmp;
if (!nick || !vHost || !creator) {
return NULL;
}
newCore = malloc(sizeof(HostCore));
if (newCore == NULL) {
anope_cmd_global(s_HostServ,
"Unable to allocate memory to insert into the vHost LL, problems i sense..");
return NULL;
} else {
newCore->nick = malloc(sizeof(char) * strlen(nick) + 1);
newCore->vHost = malloc(sizeof(char) * strlen(vHost) + 1);
newCore->creator = malloc(sizeof(char) * strlen(creator) + 1);
if (vIdent)
newCore->vIdent = malloc(sizeof(char) * strlen(vIdent) + 1);
if ((newCore->nick == NULL) || (newCore->vHost == NULL)
|| (newCore->creator == NULL)) {
anope_cmd_global(s_HostServ,
"Unable to allocate memory to create the vHost LL, problems i sense..");
return NULL;
}
strcpy(newCore->nick, nick);
strcpy(newCore->vHost, vHost);
strcpy(newCore->creator, creator);
if (vIdent) {
if ((newCore->vIdent == NULL)) {
anope_cmd_global(s_HostServ,
"Unable to allocate memory to create the vHost LL, problems i sense..");
return NULL;
}
strcpy(newCore->vIdent, vIdent);
} else {
newCore->vIdent = NULL;
}
newCore->time = tmp_time;
if (prev == NULL) {
tmp = head;
head = newCore;
newCore->next = tmp;
} else {
tmp = prev->next;
prev->next = newCore;
newCore->next = tmp;
}
}
return head;
}
/*************************************************************************/
HostCore *deleteHostCore(HostCore * head, HostCore * prev)
{
HostCore *tmp;
if (prev == NULL) {
tmp = head;
head = head->next;
} else {
tmp = prev->next;
prev->next = tmp->next;
}
free(tmp->vHost);
free(tmp->nick);
free(tmp->creator);
if (tmp->vIdent) {
free(tmp->vIdent);
}
free(tmp);
return head;
}
/*************************************************************************/
void addHostCore(char *nick, char *vIdent, char *vhost, char *creator,
int32 tmp_time)
{
HostCore *tmp;
boolean found = false;
if (head == NULL) {
head =
createHostCorelist(head, nick, vIdent, vhost, creator,
tmp_time);
} else {
tmp = findHostCore(head, nick, &found);
if (!found) {
head =
insertHostCore(head, tmp, nick, vIdent, vhost, creator,
tmp_time);
} else {
head = deleteHostCore(head, tmp); /* delete the old entry */
addHostCore(nick, vIdent, vhost, creator, tmp_time); /* recursive call to add new entry */
}
}
}
/*************************************************************************/
char *getvHost(char *nick)
{
HostCore *tmp;
boolean found = false;
tmp = findHostCore(head, nick, &found);
if (found) {
if (tmp == NULL)
return head->vHost;
else
return tmp->next->vHost;
}
return NULL;
}
/*************************************************************************/
char *getvIdent(char *nick)
{
HostCore *tmp;
boolean found = false;
tmp = findHostCore(head, nick, &found);
if (found) {
if (tmp == NULL)
return head->vIdent;
else
return tmp->next->vIdent;
}
return NULL;
}
/*************************************************************************/
void delHostCore(char *nick)
{
#ifdef USE_RDB
static char clause[128];
#endif
HostCore *tmp;
boolean found = false;
tmp = findHostCore(head, nick, &found);
if (found) {
head = deleteHostCore(head, tmp);
#ifdef USE_RDB
/* Reflect this change in the database right away. */
if (rdb_open()) {
snprintf(clause, sizeof(clause), "nick='%s'", nick);
rdb_scrub_table("anope_hs_core", clause);
rdb_close();
}
#endif
}
}
/*************************************************************************/
/* End of Linked List routines */
/*************************************************************************/
/*************************************************************************/
/* Start of Load/Save routines */
/*************************************************************************/
#define SAFE(x) do { \
if ((x) < 0) { \
if (!forceload) \
fatal("Read error on %s", HostDBName); \
failed = 1; \
break; \
} \
} while (0)
void load_hs_dbase(void)
{
dbFILE *f;
int ver;
if (!(f = open_db(s_HostServ, HostDBName, "r", HOST_VERSION))) {
return;
}
ver = get_file_version(f);
if (ver == 1) {
load_hs_dbase_v1(f);
} else if (ver == 2) {
load_hs_dbase_v2(f);
} else if (ver == 3) {
load_hs_dbase_v3(f);
}
close_db(f);
}
void load_hs_dbase_v1(dbFILE * f)
{
int c;
int failed = 0;
int32 tmp;
char *nick;
char *vHost;
tmp = time(NULL);
while (!failed && (c = getc_db(f)) == 1) {
if (c == 1) {
SAFE(read_string(&nick, f));
SAFE(read_string(&vHost, f));
addHostCore(nick, NULL, vHost, "Unknown", tmp); /* could get a speed increase by not searching the list */
free(nick); /* as we know the db is in alphabetical order... */
free(vHost);
} else {
fatal("Invalid format in %s %d", HostDBName, c);
}
}
}
void load_hs_dbase_v2(dbFILE * f)
{
int c;
int failed = 0;
char *nick;
char *vHost;
char *creator;
uint32 time;
while (!failed && (c = getc_db(f)) == 1) {
if (c == 1) {
SAFE(read_string(&nick, f));
SAFE(read_string(&vHost, f));
SAFE(read_string(&creator, f));
SAFE(read_int32(&time, f));
addHostCore(nick, NULL, vHost, creator, time); /* could get a speed increase by not searching the list */
free(nick); /* as we know the db is in alphabetical order... */
free(vHost);
free(creator);
} else {
fatal("Invalid format in %s %d", HostDBName, c);
}
}
}
void load_hs_dbase_v3(dbFILE * f)
{
int c;
int failed = 0;
char *nick;
char *vHost;
char *creator;
char *vIdent;
uint32 time;
while (!failed && (c = getc_db(f)) == 1) {
if (c == 1) {
SAFE(read_string(&nick, f));
SAFE(read_string(&vIdent, f));
SAFE(read_string(&vHost, f));
SAFE(read_string(&creator, f));
SAFE(read_int32(&time, f));
addHostCore(nick, vIdent, vHost, creator, time); /* could get a speed increase by not searching the list */
free(nick); /* as we know the db is in alphabetical order... */
free(vHost);
free(creator);
free(vIdent);
} else {
fatal("Invalid format in %s %d", HostDBName, c);
}
}
}
#undef SAFE
/*************************************************************************/
#define SAFE(x) do { \
if ((x) < 0) { \
restore_db(f); \
log_perror("Write error on %s", HostDBName); \
if (time(NULL) - lastwarn > WarningTimeout) { \
anope_cmd_global(NULL, "Write error on %s: %s", HostDBName, \
strerror(errno)); \
lastwarn = time(NULL); \
} \
return; \
} \
} while (0)
void save_hs_dbase(void)
{
dbFILE *f;
static time_t lastwarn = 0;
HostCore *current;
if (!(f = open_db(s_HostServ, HostDBName, "w", HOST_VERSION)))
return;
current = head;
while (current != NULL) {
SAFE(write_int8(1, f));
SAFE(write_string(current->nick, f));
SAFE(write_string(current->vIdent, f));
SAFE(write_string(current->vHost, f));
SAFE(write_string(current->creator, f));
SAFE(write_int32(current->time, f));
current = current->next;
}
SAFE(write_int8(0, f));
close_db(f);
}
#undef SAFE
void save_hs_rdb_dbase(void)
{
#ifdef USE_RDB
HostCore *current;
if (!rdb_open())
return;
rdb_clear_table("anope_hs_core");
current = head;
while (current != NULL) {
rdb_save_hs_core(current);
current = current->next;
}
rdb_close();
#endif
}
/*************************************************************************/
/* End of Load/Save Functions */
/*************************************************************************/
/*************************************************************************/
/* Start of Generic Functions */
/*************************************************************************/
int do_hs_sync(NickCore * nc, char *vIdent, char *hostmask, char *creator,
time_t time)
{
int i;
NickAlias *na;
for (i = 0; i < nc->aliases.count; i++) {
na = nc->aliases.list[i];
addHostCore(na->nick, vIdent, hostmask, creator, time);
}
return MOD_CONT;
}
/*************************************************************************/
int do_on_id(User * u)
{ /* we've assumed that the user exists etc.. */
char *vHost; /* as were only gonna call this from nsid routine */
char *vIdent;
vHost = getvHost(u->nick);
vIdent = getvIdent(u->nick);
if (vHost != NULL) {
if (vIdent) {
notice_lang(s_HostServ, u, HOST_IDENT_ACTIVATED, vIdent,
vHost);
} else {
notice_lang(s_HostServ, u, HOST_ACTIVATED, vHost);
}
anope_cmd_vhost_on(u->nick, vIdent, vHost);
if (ircd->vhost) {
u->vhost = sstrdup(vHost);
}
if (ircd->vident) {
if (vIdent)
u->vident = sstrdup(vIdent);
}
set_lastmask(u);
}
return MOD_CONT;
}
/*************************************************************************/
int is_host_setter(User * u)
{
int i, j;
NickAlias *na;
if (is_services_oper(u)) {
return 1;
}
if (!nick_identified(u)) {
return 0;
}
/* Look through all user's aliases (0000412) */
for (i = 0; i < u->na->nc->aliases.count; i++) {
na = u->na->nc->aliases.list[i];
for (j = 0; j < HostNumber; j++) {
if (stricmp(HostSetters[j], na->nick) == 0) {
return 1;
}
}
}
return 0;
}
int is_host_remover(User * u)
{
return is_host_setter(u); /* only here incase we want to split them up later */
}
/*
* Sets the last_usermak properly. Using virtual ident and/or host
*/
void set_lastmask(User * u)
{
if (u->na->last_usermask)
free(u->na->last_usermask);
u->na->last_usermask =
smalloc(strlen(common_get_vident(u)) +
strlen(common_get_vhost(u)) + 2);
sprintf(u->na->last_usermask, "%s@%s", common_get_vident(u),
common_get_vhost(u));
}
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