void PDB_createGroup(char *name, int32_t owner, int32_t *newGroupId)
{
PDB_HANDLE h;
int32_t maxId, minGroupId;
PDB_profile r, p;
/* sanity check arguments */
CODA_ASSERT(name && (name[0] != '\0') && newGroupId
&& PDB_ISUSER(owner));
/* MAKE SURE NO GROUP WITH THAT NAME ALREADY EXISTS */
CODA_ASSERT(PDB_nameInUse(name) == 0);
h=PDB_db_open(O_RDWR);
PDB_readProfile(h, owner, &p);
CODA_ASSERT(p.id != 0);
/* subtract one from the lowest group id -- that's new group's id */
PDB_db_maxids(h, &maxId, &minGroupId);
r.id = minGroupId - 1;
*newGroupId = r.id;
PDB_db_update_maxids(h, maxId, r.id, PDB_MAXID_SET);
/* CREATE A NEW GROUP WITH SPECIFIED NAME AND OWNER */
/* create the new group's profile */
r.name = strdup(name);
r.owner_id = owner;
r.owner_name = strdup(p.name);
pdb_array_init(&(r.member_of));
pdb_array_init(&(r.cps));
pdb_array_add(&(r.cps),r.id);
pdb_array_init(&(r.groups_or_members));
pdb_array_add(&(r.groups_or_members),owner);
/* write the new group's information to the databases */
PDB_writeProfile(h, &r);
/* add the new group's id to owner's groups_or_members list */
pdb_array_add(&(p.groups_or_members), r.id);
pdb_array_add(&(p.member_of), r.id);
pdb_array_add(&(p.cps), r.id);
PDB_writeProfile(h, &p);
PDB_freeProfile(&r);
PDB_freeProfile(&p);
PDB_db_close(h);
}
void PDB_cloneUser(char *name, int32_t cloneid, int32_t *newId)
{
PDB_HANDLE h;
int32_t nextid, maxId, minGroupId;
PDB_profile r, p;
pdb_array_off off;
/* sanity check arguments */
CODA_ASSERT(name && (name[0] != '\0') && newId && (cloneid != 0));
/* MAKE SURE NO USER WITH THAT NAME ALREADY EXISTS */
CODA_ASSERT(PDB_nameInUse(name) == 0);
h=PDB_db_open(O_RDWR);
/* Read the profile we are cloning */
PDB_readProfile(h, cloneid, &r);
CODA_ASSERT(r.id != 0);
/* add one to the highest user id -- that's our new user's id */
PDB_db_maxids(h, &maxId, &minGroupId);
r.id = maxId + 1;
PDB_db_update_maxids(h, r.id, minGroupId, PDB_MAXID_SET);
/* CREATE A NEW USER WITH SPECIFIED NAME, ALL OTHER FIELDS EMPTY */
/* create the new user's profile */
free(r.name);
r.name = strdup(name);
/* MAKE THE NEW USER A MEMBER OF THE SAME GROUPS AS THE OLD USER */
nextid = pdb_array_head(&(r.member_of), &off);
while(nextid != 0){
PDB_readProfile(h, nextid, &p);
CODA_ASSERT(r.id != 0);
pdb_array_add(&(p.groups_or_members), r.id);
PDB_writeProfile(h, &p);
PDB_freeProfile(&p);
nextid = pdb_array_next(&(r.member_of), &off);
}
/* updateCps also writes the new user's information to the databases */
PDB_updateCps(h, &r);
PDB_db_close(h);
*newId = r.id;
PDB_freeProfile(&r);
}
void PDB_createUser(char *name, int32_t *newId)
{
PDB_HANDLE h;
int32_t maxId, minGroupId;
PDB_profile r;
/* sanity check arguments */
CODA_ASSERT(name && (name[0] != '\0') && newId);
/* MAKE SURE NO USER WITH THAT NAME ALREADY EXISTS */
CODA_ASSERT(PDB_nameInUse(name) == 0);
h=PDB_db_open(O_RDWR);
/* add one to the highest user id -- that's our new user's id */
PDB_db_maxids(h, &maxId, &minGroupId);
r.id = maxId + 1;
PDB_db_update_maxids(h, r.id, minGroupId, PDB_MAXID_SET);
/* CREATE A NEW USER WITH SPECIFIED NAME, ALL OTHER FIELDS EMPTY */
/* create the new user's profile */
r.name = strdup(name);
r.owner_id = 0;
r.owner_name = NULL;
pdb_array_init(&(r.member_of));
pdb_array_init(&(r.cps));
pdb_array_add(&(r.cps),r.id);
pdb_array_init(&(r.groups_or_members));
/* write the new user's information to the databases */
PDB_writeProfile(h, &r);
PDB_db_close(h);
*newId = r.id;
PDB_freeProfile(&r);
}
/* SET MAXIDS */
void tool_maxids(int argc, char *argv[])
{
PDB_HANDLE h;
long arg1, arg2;
char *end;
if (check_args_num(argc, 3)) {
printf("Usage: maxids usermax groupmin\n");
return;
}
arg1 = strtol(argv[1], &end, 10);
if (argv[1] == end || arg1 < 0) {
printf("User max should be a positive numerical value.\n");
return;
}
arg2 = strtol(argv[2], &end, 10);
if (argv[2] == end || arg2 > 0) {
printf("Group min should be a negative numerical value.\n");
return;
}
h = PDB_db_open(O_RDWR);
PDB_db_update_maxids(h, arg1, arg2, PDB_MAXID_FORCE);
PDB_db_close(h);
}
void PDB_changeId(int32_t oldId, int32_t newId)
{
PDB_HANDLE h;
PDB_profile r,p;
void *tmp;
size_t size;
int32_t nextid;
pdb_array_off off;
if (oldId == newId) return;
h = PDB_db_open(O_RDWR);
PDB_db_read(h, newId, NULL, &tmp, &size);
pdb_unpack(&r, tmp, size);
CODA_ASSERT(r.id == 0);
PDB_readProfile(h, oldId, &r);
CODA_ASSERT(r.id != 0);
/* Delete the old id */
PDB_deleteProfile(h, &r);
/* Change the id */
r.id = newId;
PDB_updateCps(h, &r);
if(PDB_ISGROUP(oldId)){
/* Need to change owner info */
PDB_readProfile(h, r.owner_id, &p);
CODA_ASSERT(p.id != 0);
pdb_array_del(&(p.groups_or_members), oldId);
pdb_array_add(&(p.groups_or_members), newId);
PDB_writeProfile(h, &p);
PDB_db_update_maxids(h, 0, newId, PDB_MAXID_SET);
PDB_freeProfile(&p);
}
else
PDB_db_update_maxids(h, newId, 0, PDB_MAXID_SET);
/* update groups we are a member of */
nextid = pdb_array_head(&(r.member_of), &off);
while(nextid != 0){
PDB_readProfile(h, nextid, &p);
CODA_ASSERT(p.id != 0);
pdb_array_del(&(p.groups_or_members), oldId);
pdb_array_add(&(p.groups_or_members), newId);
/* Don't need CPS updates */
PDB_writeProfile(h, &p);
PDB_freeProfile(&p);
nextid = pdb_array_next(&(r.member_of), &off);
}
/* update members or ownership */
nextid = pdb_array_head(&(r.groups_or_members), &off);
while(nextid != 0) {
PDB_readProfile(h, nextid, &p);
CODA_ASSERT(p.id != 0);
if (PDB_ISGROUP(oldId)) {
pdb_array_del(&(p.member_of), oldId);
pdb_array_add(&(p.member_of), newId);
} else {
if (PDB_ISGROUP(p.id)) {
if(p.owner_id == oldId)
p.owner_id = newId;
}
}
PDB_updateCps(h, &p);
PDB_freeProfile(&p);
nextid = pdb_array_next(&(r.groups_or_members), &off);
}
PDB_db_close(h);
PDB_freeProfile(&r);
}
