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/* groupserv - group services.
* Copyright (c) 2010 Atheme Development Group
*/
#include "groupserv_main.h"
#define GDBV_VERSION 4
static unsigned int loading_gdbv = -1;
static unsigned int their_ga_all;
static void write_groupdb(database_handle_t *db)
{
myentity_t *mt;
myentity_iteration_state_t state;
mowgli_patricia_iteration_state_t state2;
metadata_t *md;
db_start_row(db, "GDBV");
db_write_uint(db, GDBV_VERSION);
db_commit_row(db);
db_start_row(db, "GFA");
db_write_word(db, gflags_tostr(ga_flags, GA_ALL));
db_commit_row(db);
MYENTITY_FOREACH_T(mt, &state, ENT_GROUP)
{
continue_if_fail(mt != NULL);
mygroup_t *mg = group(mt);
continue_if_fail(mg != NULL);
char *mgflags = gflags_tostr(mg_flags, mg->flags);
db_start_row(db, "GRP");
db_write_word(db, entity(mg)->id);
db_write_word(db, entity(mg)->name);
db_write_time(db, mg->regtime);
db_write_word(db, mgflags);
db_commit_row(db);
if (object(mg)->metadata)
{
MOWGLI_PATRICIA_FOREACH(md, &state2, object(mg)->metadata)
{
db_start_row(db, "MDG");
db_write_word(db, entity(mg)->name);
db_write_word(db, md->name);
db_write_str(db, md->value);
db_commit_row(db);
}
}
}
MYENTITY_FOREACH_T(mt, &state, ENT_GROUP)
{
mowgli_node_t *n;
continue_if_fail(mt != NULL);
mygroup_t *mg = group(mt);
continue_if_fail(mg != NULL);
MOWGLI_ITER_FOREACH(n, mg->acs.head)
{
groupacs_t *ga = n->data;
char *flags = gflags_tostr(ga_flags, ga->flags);
db_start_row(db, "GACL");
db_write_word(db, entity(mg)->name);
db_write_word(db, ga->mt->name);
db_write_word(db, flags);
db_commit_row(db);
}
}
}
static void db_h_gdbv(database_handle_t *db, const char *type)
{
loading_gdbv = db_sread_uint(db);
slog(LG_INFO, "groupserv: opensex data schema version is %d.", loading_gdbv);
their_ga_all = GA_ALL_OLD;
}
static void db_h_gfa(database_handle_t *db, const char *type)
{
const char *flags = db_sread_word(db);
gflags_fromstr(ga_flags, flags, &their_ga_all);
if (their_ga_all & ~GA_ALL)
{
slog(LG_ERROR, "db-h-gfa: losing flags %s from file", gflags_tostr(ga_flags, their_ga_all & ~GA_ALL));
}
if (~their_ga_all & GA_ALL)
{
slog(LG_ERROR, "db-h-gfa: making up flags %s not present in file", gflags_tostr(ga_flags, ~their_ga_all & GA_ALL));
}
}
static void db_h_grp(database_handle_t *db, const char *type)
{
mygroup_t *mg;
const char *uid = NULL;
const char *name;
time_t regtime;
const char *flagset;
if (loading_gdbv >= 4)
uid = db_sread_word(db);
name = db_sread_word(db);
if (mygroup_find(name))
{
slog(LG_INFO, "db-h-grp: line %d: skipping duplicate group %s", db->line, name);
return;
}
if (uid && myentity_find_uid(uid))
{
slog(LG_INFO, "db-h-grp: line %d: skipping group %s with duplicate UID %s", db->line, name, uid);
return;
}
regtime = db_sread_time(db);
mg = mygroup_add_id(uid, name);
mg->regtime = regtime;
if (loading_gdbv >= 3)
{
flagset = db_sread_word(db);
if (!gflags_fromstr(mg_flags, flagset, &mg->flags))
slog(LG_INFO, "db-h-grp: line %d: confused by flags: %s", db->line, flagset);
}
}
static void db_h_gacl(database_handle_t *db, const char *type)
{
mygroup_t *mg;
myentity_t *mt;
unsigned int flags = GA_ALL; /* GDBV 1 entires had full access */
const char *name = db_sread_word(db);
const char *entity = db_sread_word(db);
const char *flagset;
mg = mygroup_find(name);
mt = myentity_find(entity);
if (mg == NULL)
{
slog(LG_INFO, "db-h-gacl: line %d: groupacs for nonexistent group %s", db->line, name);
return;
}
if (mt == NULL)
{
slog(LG_INFO, "db-h-gacl: line %d: groupacs for nonexistent entity %s", db->line, entity);
return;
}
if (loading_gdbv >= 2)
{
flagset = db_sread_word(db);
if (!gflags_fromstr(ga_flags, flagset, &flags))
slog(LG_INFO, "db-h-gacl: line %d: confused by flags: %s", db->line, flagset);
/* ACL view permission was added, so make up the permission (#279), but only if the database
* is from atheme 7.1 or earlier. --kaniini
*/
if (!(their_ga_all & GA_ACLVIEW) && ((flags & GA_ALL_OLD) == their_ga_all))
flags |= GA_ACLVIEW;
}
groupacs_add(mg, mt, flags);
}
static void db_h_mdg(database_handle_t *db, const char *type)
{
const char *name = db_sread_word(db);
const char *prop = db_sread_word(db);
const char *value = db_sread_str(db);
void *obj = NULL;
obj = mygroup_find(name);
if (obj == NULL)
{
slog(LG_INFO, "db-h-mdg: attempting to add %s property to non-existant object %s",
prop, name);
return;
}
metadata_add(obj, prop, value);
}
void gs_db_init(void)
{
hook_add_db_write_pre_ca(write_groupdb);
db_register_type_handler("GDBV", db_h_gdbv);
db_register_type_handler("GRP", db_h_grp);
db_register_type_handler("GACL", db_h_gacl);
db_register_type_handler("MDG", db_h_mdg);
db_register_type_handler("GFA", db_h_gfa);
}
void gs_db_deinit(void)
{
hook_del_db_write_pre_ca(write_groupdb);
db_unregister_type_handler("GDBV");
db_unregister_type_handler("GRP");
db_unregister_type_handler("GACL");
db_unregister_type_handler("MDG");
db_unregister_type_handler("GFA");
}
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