relation_t *
relation_load(char *name)
{
relation_t *rel;
rel = relation_find(name);
if(rel != NULL) {
rel->references++;
goto end;
}
rel = relation_allocate();
if(rel == NULL) {
return NULL;
}
if(DB_ERROR(storage_get_relation(rel, name))) {
memb_free(&relations_memb, rel);
return NULL;
}
memcpy(rel->name, name, sizeof(rel->name));
rel->name[sizeof(rel->name) - 1] = '\0';
rel->references = 1;
list_add(relations, rel);
end:
if(rel->dir == DB_STORAGE && DB_ERROR(storage_load(rel))) {
relation_release(rel);
return NULL;
}
return rel;
}
void do_daemon() {
/* do_leap
* Main LEAP daemon routine - Contains socket handler
*/
char buffer[MAXIMUM_INPUT_STRING+1];
char loginname[MAXIMUM_INPUT_STRING+1];
char password[MAXIMUM_INPUT_STRING+1];
char maincommand[MAXIMUM_INPUT_STRING+1];
char tprompt[MAXIMUM_INPUT_STRING+1];
char *result,*tresult,*plogin,*ppass;
relation result_relation;
int res,startscript=0;
int serverSocket=0, on=0, port=0, status=0, childPid=0;
struct hostent *hostPtr=NULL;
char hostname[80]="";
struct sockaddr_in serverName={0},clientName={0};
struct linger linger={0};
struct utsname sysinfo;
int clientLength;
tuple ctuple;
clientLength=sizeof(clientName);
tempdb=LEAPAPI_db_create(NULL,TEMPDB_NAME);
res=relations_ddopen(tempdb);
if (res!=RETURN_SUCCESS) {
raise_error(ERROR_OPEN_DATABASE,FATAL,TEMPDB_NAME);
}
/* Open the master database */
master_db=LEAPAPI_db_create(NULL,MASTER_DB_NAME);
res=relations_ddopen(master_db);
if (res!=RETURN_SUCCESS) {
raise_error(ERROR_OPEN_DATABASE,FATAL,MASTER_DB_NAME);
}
if (strlen(dbtoopen)==0) {
/* Open up the default user database */
current_db=LEAPAPI_db_create(NULL,DEFAULT_DB);
} else {
current_db=LEAPAPI_db_create(NULL,dbtoopen);
}
res=relations_ddopen(current_db);
if (res!=RETURN_SUCCESS) {
raise_error(ERROR_OPEN_DATABASE,FATAL,database_name(current_db));
}
set_variable(VAR_CURRENTDB,database_name(current_db));
/* Check to see if the logins relation exists */
result_relation=relation_find(master_db,LEAP_DD_LOGINS);
if (result_relation==NULL) {
raise_error(ERROR_CANNOT_FIND_REL,NONFATAL,LEAP_DD_LOGINS);
raise_message(MESSAGE,"Building %s",LEAP_DD_LOGINS);
/* Build the leaplogins relation */
sprintf(buffer,"(SUID,INTEGER,3),(NAME,string,25),(PASSWORD,string,25),(DEFAULTDB,string,25)");
relation_insert(master_db,create_user_relation(master_db,buffer,LEAP_DD_LOGINS,FALSE,TRUE));
vprocess_query(master_db,"add (%s) (%d,%s,%s,%s)",LEAP_DD_LOGINS,LEAP_SUID_DBA,LEAP_LOGIN_DBA,LEAP_PASS_DBA,MASTER_DB_NAME);
} else {
raise_message(MESSAGE,"Found %s!",LEAP_DD_LOGINS);
}
if (status_quiet!=TRUE) {
raise_message(MESSAGE,"%s","Startup sequence initiated.");
}
terminate=FALSE;
terminatenow=FALSE;
if (status_quiet) {
strcpy(current_prompt,"");
set_prompt("");
} else {
strcpy(current_prompt,DEFAULT_PROMPT);
set_prompt(DEFAULT_PROMPT);
}
if (configuration!=TRUE) {
raise_message(MESSAGE,"Sourcing %s%s in %s",LEAP_STARTUP,LEAP_SOURCE_EXT,database_name(master_db));
sprintf(buffer,"%s%s%s%s",database_dir(master_db),LEAP_SOURCE_DIR,LEAP_STARTUP,LEAP_SOURCE_EXT);
assign_input_stream(buffer);
} else {
sprintf(buffer,"%s",configurationfile);
assign_input_stream(buffer);
}
serverSocket=socket(PF_INET,SOCK_STREAM,0);
if (serverSocket==-1) {
raise_error(ERROR_SOCKETINIT,FATAL,"socket()");
}
on=1;
status=setsockopt(serverSocket,SOL_SOCKET,SO_REUSEADDR,(const char *) &on,sizeof(on));
if (status==-1) {
raise_error(ERROR_SOCKETINIT,FATAL,"setsockopt(...,SO_REUSEADDR,...)");
}
linger.l_onoff=1;
linger.l_linger=30;
status=setsockopt(serverSocket,SOL_SOCKET,SO_LINGER,(const char *) &linger,sizeof(linger));
if (status==-1) {
raise_error(ERROR_SOCKETINIT,FATAL,"setsockopt(...,SO_LINGER,...)");
}
status=uname(&sysinfo);
if (status==-1) {
raise_error(ERROR_SOCKETINIT,FATAL,"uname");
} else {
strncpy(hostname,sysinfo.nodename,sizeof(hostname));
}
status=gethostname(hostname,sizeof(hostname));
hostPtr=gethostbyname(hostname);
if (hostPtr==NULL) {
raise_error(ERROR_SOCKETINIT,FATAL,"gethostbyname");
}
(void) memset(&serverName,0,sizeof(serverName));
(void) memcpy(&serverName.sin_addr,hostPtr->h_addr,hostPtr->h_length);
serverName.sin_family=AF_INET;
serverName.sin_port=htons(LEAPD_PORT);
status=bind(serverSocket,(struct sockaddr *) &serverName,sizeof(serverName));
if (status<0) {
raise_error(ERROR_SOCKETINIT,FATAL,"bind() - port %u - errno %u",LEAPD_PORT,errno);
} else {
raise_message(MESSAGE,"Daemon starting on machine %s, port %u",hostname,LEAPD_PORT);
}
status=listen(serverSocket,LEAPD_BACK_LOG);
if (status==-1) {
raise_error(ERROR_SOCKETINIT,FATAL,"listen()");
}
while (!terminatenow) {
slaveSocket=accept(serverSocket,(struct sockaddr *) &clientName,&clientLength);
if (slaveSocket==-1) {
raise_error(ERROR_SOCKETINIT,FATAL,"accept()");
}
raise_message(MESSAGE,"Connection received from [%s]",inet_ntoa(clientName.sin_addr));
raise_message(MESSAGE,"Authenication expected");
strcpy(buffer,"Please authenticate yourself: ");
write(slaveSocket,buffer,strlen(buffer));
read(slaveSocket,loginname,MAXIMUM_INPUT_STRING);
plogin=strtok(loginname,"\r\n");
raise_message(MESSAGE,"Login [%s] connecting...",plogin);
if (strcmp(plogin,"guest")==0) {
strcpy(buffer,"Enter your e-mail address: ");
write(slaveSocket,buffer,strlen(buffer));
} else {
strcpy(buffer,"Password: "******"project (select (%s) (%s='%s')) (%s)",LEAP_DD_LOGINS,LEAP_DDA_LOGINS_NAME,plogin,LEAP_DDA_LOGINS_PASSWORD);
result_relation=process_query(master_db,buffer);
status=read(slaveSocket,password,MAXIMUM_INPUT_STRING);
ppass=strtok(password,"\r\n");
if ((ppass!=NULL) && (status==2)) {
*ppass='******';
}
ctuple=tuple_readfirst(result_relation,TUPLE_BUILD,NULL);
if (ctuple!=NULL) {
tuple_to_string(ctuple,buffer);
raise_message(MESSAGE,"Password expected [%s]",buffer);
raise_message(MESSAGE,"Password received [%s]",ppass);
} else {
if (strcmp(plogin,"guest")==0) {
raise_message(MESSAGE,"Guest ID [%s]",ppass);
} else {
raise_message(MESSAGE,"No login [%s] exists!",plogin);
}
}
if (((strcmp(plogin,"guest")==0))||(strcmp(buffer,ppass)==0)) {
raise_message(MESSAGE,"Login [%s] validated!",plogin);
/* Enable daemon on - this will send io to client */
status_daemon=TRUE;
strcpy(buffer,"version");
result_relation=process_query(current_db,buffer);
/* Ok, socket is initialised! */
while (!terminate) {
write(slaveSocket,DEFAULT_PROMPT,sizeof(DEFAULT_PROMPT));
status=read(slaveSocket,buffer,MAXIMUM_INPUT_STRING);
/* Null terminate reqd....*/
result=strtok(buffer,"\r\n");
status_daemon=FALSE;
raise_message(MESSAGE,"received: %s",result);
status_daemon=TRUE;
result_relation=process_query(current_db,result);
}
/* Disable daemon */
status_daemon=FALSE;
} else {
raise_message(MESSAGE,"Invalid password for login [%s]",plogin);
}
/* Reset terminate - one client has disconnected */
terminate=FALSE;
raise_message(MESSAGE,"Connection closed");
close(slaveSocket);
}
if (!status_quiet) { raise_message(MESSAGE,"Closing [%s] database.",database_name(current_db)); }
relations_dispose_all(current_db);
LEAPAPI_db_destroy(¤t_db);
raise_event(EVENT,"[current_db] closed.");
if (!status_quiet) { raise_message(MESSAGE,"Closing [%s] database.",database_name(master_db)); }
relations_dispose_all(master_db);
LEAPAPI_db_destroy(&master_db);
raise_event(EVENT,"[master_db] closed.");
if (!status_quiet) { raise_message(MESSAGE,"Closing [%s] database.",database_name(tempdb)); }
relations_dispose_all(tempdb);
LEAPAPI_db_destroy(&tempdb);
raise_event(EVENT,"[tempdb] closed.");
}
