#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
+#include <fcntl.h> // O_*
#include <string.h>
#include <limits.h>
#include <stdarg.h>
+#include <signal.h> // Signal handling
+#include <ident.h> // AUTHIDENT
+#include <time.h> // time(2)
#define DEBUG_TRACE_CLIENT 0
+#define HACK_NO_REFUNDS 1
// Statistics
#define MAX_CONNECTION_QUEUE 5
#define MSG_STR_TOO_LONG "499 Command too long (limit "EXPSTR(INPUT_BUFFER_SIZE)")\n"
+#define IDENT_TRUSTED_NETWORK 0x825F0D00
+#define IDENT_TRUSTED_NETMASK 0xFFFFFFC0
+
// === TYPES ===
typedef struct sClient
{
void Server_Cmd_USER(tClient *Client, char *Args);
void Server_Cmd_PASS(tClient *Client, char *Args);
void Server_Cmd_AUTOAUTH(tClient *Client, char *Args);
+void Server_Cmd_AUTHIDENT(tClient *Client, char *Args);
void Server_Cmd_SETEUSER(tClient *Client, char *Args);
void Server_Cmd_ENUMITEMS(tClient *Client, char *Args);
void Server_Cmd_ITEMINFO(tClient *Client, char *Args);
void Server_Cmd_DISPENSE(tClient *Client, char *Args);
+void Server_Cmd_REFUND(tClient *Client, char *Args);
void Server_Cmd_GIVE(tClient *Client, char *Args);
void Server_Cmd_DONATE(tClient *Client, char *Args);
void Server_Cmd_ADD(tClient *Client, char *Args);
void _SendUserInfo(tClient *Client, int UserID);
void Server_Cmd_USERADD(tClient *Client, char *Args);
void Server_Cmd_USERFLAGS(tClient *Client, char *Args);
+void Server_Cmd_UPDATEITEM(tClient *Client, char *Args);
// --- Helpers ---
void Debug(tClient *Client, const char *Format, ...);
int sendf(int Socket, const char *Format, ...);
{"USER", Server_Cmd_USER},
{"PASS", Server_Cmd_PASS},
{"AUTOAUTH", Server_Cmd_AUTOAUTH},
+ {"AUTHIDENT", Server_Cmd_AUTHIDENT},
{"SETEUSER", Server_Cmd_SETEUSER},
{"ENUM_ITEMS", Server_Cmd_ENUMITEMS},
{"ITEM_INFO", Server_Cmd_ITEMINFO},
{"DISPENSE", Server_Cmd_DISPENSE},
+ {"REFUND", Server_Cmd_REFUND},
{"GIVE", Server_Cmd_GIVE},
{"DONATE", Server_Cmd_DONATE},
{"ADD", Server_Cmd_ADD},
{"ENUM_USERS", Server_Cmd_ENUMUSERS},
{"USER_INFO", Server_Cmd_USERINFO},
{"USER_ADD", Server_Cmd_USERADD},
- {"USER_FLAGS", Server_Cmd_USERFLAGS}
+ {"USER_FLAGS", Server_Cmd_USERFLAGS},
+ {"UPDATE_ITEM", Server_Cmd_UPDATEITEM}
};
#define NUM_COMMANDS ((int)(sizeof(gaServer_Commands)/sizeof(gaServer_Commands[0])))
// === GLOBALS ===
- int giServer_Port = 1020;
- int giServer_NextClientID = 1;
- int giServer_Socket;
+// - Configuration
+ int giServer_Port = 11020;
+ int gbServer_RunInBackground = 0;
+char *gsServer_LogFile = "/var/log/dispsrv.log";
+char *gsServer_ErrorLog = "/var/log/dispsrv.err";
+// - State variables
+ int giServer_Socket; // Server socket
+ int giServer_NextClientID = 1; // Debug client ID
+
// === CODE ===
/**
struct sockaddr_in server_addr, client_addr;
atexit(Server_Cleanup);
+ // Ignore SIGPIPE (stops crashes when the client exits early)
+ signal(SIGPIPE, SIG_IGN);
// Create Server
giServer_Socket = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
perror("Binding");
return ;
}
+
+ // Fork into background
+ if( gbServer_RunInBackground )
+ {
+ int pid = fork();
+ if( pid == -1 ) {
+ fprintf(stderr, "ERROR: Unable to fork\n");
+ perror("fork background");
+ exit(-1);
+ }
+ if( pid != 0 ) {
+ // Parent, quit
+ printf("Forked child %i\n", pid);
+ exit(0);
+ }
+ // In child
+ // - Sort out stdin/stdout
+ #if 0
+ dup2( open("/dev/null", O_RDONLY, 0644), STDIN_FILENO );
+ dup2( open(gsServer_LogFile, O_CREAT|O_APPEND, 0644), STDOUT_FILENO );
+ dup2( open(gsServer_ErrorLog, O_CREAT|O_APPEND, 0644), STDERR_FILENO );
+ #else
+ freopen("/dev/null", "r", stdin);
+ freopen(gsServer_LogFile, "a", stdout);
+ freopen(gsServer_ErrorLog, "a", stderr);
+ fprintf(stdout, "OpenDispense 2 Server Started at %lld\n", (long long)time(NULL));
+ fprintf(stderr, "OpenDispense 2 Server Started at %lld\n", (long long)time(NULL));
+ #endif
+ }
+
+ // Start the helper thread
+ StartPeriodicThread();
// Listen
if( listen(giServer_Socket, MAX_CONNECTION_QUEUE) < 0 ) {
printf("Listening on 0.0.0.0:%i\n", giServer_Port);
+ // write pidfile
+ {
+ FILE *fp = fopen("/var/run/dispsrv.pid", "w");
+ if( fp ) {
+ fprintf(fp, "%i", getpid());
+ fclose(fp);
+ }
+ }
+
for(;;)
{
uint len = sizeof(client_addr);
switch( ntohl( client_addr.sin_addr.s_addr ) )
{
case 0x7F000001: // 127.0.0.1 localhost
- // case 0x825E0D00: // 130.95.13.0
- case 0x825E0D07: // 130.95.13.7 motsugo
- case 0x825E0D11: // 130.95.13.17 mermaid
- case 0x825E0D12: // 130.95.13.18 mussel
- case 0x825E0D17: // 130.95.13.23 martello
+ // case 0x825F0D00: // 130.95.13.0
+ case 0x825F0D04: // 130.95.13.4 merlo
+ // case 0x825F0D05: // 130.95.13.5 heathred (MR)
+ case 0x825F0D07: // 130.95.13.7 motsugo
+ case 0x825F0D11: // 130.95.13.17 mermaid
+ case 0x825F0D12: // 130.95.13.18 mussel
+ case 0x825F0D17: // 130.95.13.23 martello
+ case 0x825F0D2A: // 130.95.13.42 meersau
+ // case 0x825F0D42: // 130.95.13.66 heathred (Clubroom)
bTrusted = 1;
break;
default:
void Server_Cleanup(void)
{
- printf("Close(%i)\n", giServer_Socket);
+ printf("\nClose(%i)\n", giServer_Socket);
close(giServer_Socket);
+ unlink("/var/run/dispsrv.pid");
}
/**
if( Server_int_ParseArgs(1, CommandString, &command, &args, NULL) )
{
+ if( command == NULL ) return ;
// Is this an error? (just ignore for now)
- //args = "";
}
{
char *username;
- Server_int_ParseArgs(0, Args, &username, NULL);
+ if( Server_int_ParseArgs(0, Args, &username, NULL) )
+ {
+ sendf(Client->Socket, "407 USER takes 1 argument\n");
+ return ;
+ }
// Debug!
if( giDebugLevel )
void Server_Cmd_PASS(tClient *Client, char *Args)
{
char *passhash;
-
- Server_int_ParseArgs(0, Args, &passhash, NULL);
+ int flags;
+
+ if( Server_int_ParseArgs(0, Args, &passhash, NULL) )
+ {
+ sendf(Client->Socket, "407 PASS takes 1 argument\n");
+ return ;
+ }
// Pass on to cokebank
Client->UID = Bank_GetUserAuth(Client->Salt, Client->Username, passhash);
- if( Client->UID != -1 ) {
- Client->bIsAuthed = 1;
- sendf(Client->Socket, "200 Auth OK\n");
+ if( Client->UID == -1 ) {
+ sendf(Client->Socket, "401 Auth Failure\n");
+ return ;
+ }
+
+ flags = Bank_GetFlags(Client->UID);
+ if( flags & USER_FLAG_DISABLED ) {
+ Client->UID = -1;
+ sendf(Client->Socket, "403 Account Disabled\n");
+ return ;
+ }
+ if( flags & USER_FLAG_INTERNAL ) {
+ Client->UID = -1;
+ sendf(Client->Socket, "403 Internal account\n");
return ;
}
- sendf(Client->Socket, "401 Auth Failure\n");
+ Client->bIsAuthed = 1;
+ sendf(Client->Socket, "200 Auth OK\n");
}
/**
void Server_Cmd_AUTOAUTH(tClient *Client, char *Args)
{
char *username;
+ int userflags;
if( Server_int_ParseArgs(0, Args, &username, NULL) )
{
}
// Get UID
- Client->UID = Bank_GetAcctByName( username );
+ Client->UID = Bank_GetAcctByName( username, 0 );
if( Client->UID < 0 ) {
if(giDebugLevel)
Debug(Client, "Unknown user '%s'", username);
- sendf(Client->Socket, "401 Auth Failure\n");
+ sendf(Client->Socket, "403 Auth Failure\n");
return ;
}
+ userflags = Bank_GetFlags(Client->UID);
// You can't be an internal account
- if( Bank_GetFlags(Client->UID) & USER_FLAG_INTERNAL ) {
+ if( userflags & USER_FLAG_INTERNAL ) {
if(giDebugLevel)
Debug(Client, "Autoauth as '%s', not allowed", username);
Client->UID = -1;
- sendf(Client->Socket, "401 Auth Failure\n");
+ sendf(Client->Socket, "403 Account is internal\n");
return ;
}
+ // Disabled accounts
+ if( userflags & USER_FLAG_DISABLED ) {
+ Client->UID = -1;
+ sendf(Client->Socket, "403 Account disabled\n");
+ return ;
+ }
+
+ // Save username
+ if(Client->Username)
+ free(Client->Username);
+ Client->Username = strdup(username);
+
Client->bIsAuthed = 1;
if(giDebugLevel)
sendf(Client->Socket, "200 Auth OK\n");
}
+/**
+ * \brief Authenticate as a user using the IDENT protocol
+ *
+ * Usage: AUTHIDENT
+ */
+void Server_Cmd_AUTHIDENT(tClient *Client, char *Args)
+{
+ char *username;
+ int userflags;
+ const int ident_timeout = 5;
+ socklen_t len;
+ struct sockaddr_in client_addr;
+ uint32_t client_ip;
+
+ if( Args != NULL && strlen(Args) ) {
+ sendf(Client->Socket, "407 AUTHIDENT takes no arguments\n");
+ return ;
+ }
+
+ // Check if trusted (only works with INET sockets at present)
+ len = sizeof(client_addr);
+ if( getpeername(Client->Socket, (struct sockaddr*)&client_addr, &len) == -1 ) {
+ Debug(Client, "500 getpeername() failed\n");
+ perror("Getting AUTHIDENT peer name");
+ sendf(Client->Socket, "500 getpeername() failed\n");
+ return ;
+ }
+
+ client_ip = client_addr.sin_addr.s_addr;
+ if(giDebugLevel >= 2) {
+ Debug(Client, "client_ip = %x, ntohl(client_ip) = %x", client_ip, ntohl(client_ip));
+ }
+ if( ntohl(client_ip) != 0x7F000001 && (ntohl(client_ip) & IDENT_TRUSTED_NETMASK) != IDENT_TRUSTED_NETWORK ) {
+ if(giDebugLevel)
+ Debug(Client, "Untrusted client attempting to AUTHIDENT");
+ sendf(Client->Socket, "401 Untrusted\n");
+ return ;
+ }
+
+ // Get username via IDENT
+ username = ident_id(Client->Socket, ident_timeout);
+ if( !username ) {
+ sendf(Client->Socket, "403 Authentication failure: IDENT auth timed out\n");
+ return ;
+ }
+
+ // Get UID
+ Client->UID = Bank_GetAcctByName( username, 0 );
+ if( Client->UID < 0 ) {
+ if(giDebugLevel)
+ Debug(Client, "Unknown user '%s'", username);
+ sendf(Client->Socket, "403 Authentication failure: unknown account\n");
+ free(username);
+ return ;
+ }
+
+ userflags = Bank_GetFlags(Client->UID);
+ // You can't be an internal account
+ if( userflags & USER_FLAG_INTERNAL ) {
+ if(giDebugLevel)
+ Debug(Client, "IDENT auth as '%s', not allowed", username);
+ Client->UID = -1;
+ sendf(Client->Socket, "403 Authentication failure: that account is internal\n");
+ free(username);
+ return ;
+ }
+
+ // Disabled accounts
+ if( userflags & USER_FLAG_DISABLED ) {
+ Client->UID = -1;
+ sendf(Client->Socket, "403 Authentication failure: account disabled\n");
+ free(username);
+ return ;
+ }
+
+ // Save username
+ if(Client->Username)
+ free(Client->Username);
+ Client->Username = strdup(username);
+
+ Client->bIsAuthed = 1;
+
+ if(giDebugLevel)
+ Debug(Client, "IDENT authenticated as '%s' (%i)", username, Client->UID);
+ free(username);
+
+ sendf(Client->Socket, "200 Auth OK\n");
+}
+
/**
* \brief Set effective user
*/
void Server_Cmd_SETEUSER(tClient *Client, char *Args)
{
char *username;
+ int eUserFlags, userFlags;
- Server_int_ParseArgs(0, Args, &username, NULL);
+ if( Server_int_ParseArgs(0, Args, &username, NULL) )
+ {
+ sendf(Client->Socket, "407 SETEUSER takes 1 argument\n");
+ return ;
+ }
if( !strlen(Args) ) {
sendf(Client->Socket, "407 SETEUSER expects an argument\n");
return ;
}
+
+ // Check authentication
+ if( !Client->bIsAuthed ) {
+ sendf(Client->Socket, "401 Not Authenticated\n");
+ return ;
+ }
// Check user permissions
- if( !(Bank_GetFlags(Client->UID) & (USER_FLAG_COKE|USER_FLAG_ADMIN)) ) {
+ userFlags = Bank_GetFlags(Client->UID);
+ if( !(userFlags & (USER_FLAG_COKE|USER_FLAG_ADMIN)) ) {
sendf(Client->Socket, "403 Not in coke\n");
return ;
}
// Set id
- Client->EffectiveUID = Bank_GetAcctByName(username);
+ Client->EffectiveUID = Bank_GetAcctByName(username, 0);
if( Client->EffectiveUID == -1 ) {
sendf(Client->Socket, "404 User not found\n");
return ;
}
// You can't be an internal account
- if( Bank_GetFlags(Client->EffectiveUID) & USER_FLAG_INTERNAL ) {
- Client->EffectiveUID = -1;
- sendf(Client->Socket, "404 User not found\n");
+ if( !(userFlags & USER_FLAG_ADMIN) )
+ {
+ eUserFlags = Bank_GetFlags(Client->EffectiveUID);
+ if( eUserFlags & USER_FLAG_INTERNAL ) {
+ Client->EffectiveUID = -1;
+ sendf(Client->Socket, "404 User not found\n");
+ return ;
+ }
+ // Disabled only avaliable to admins
+ if( eUserFlags & USER_FLAG_DISABLED ) {
+ Client->EffectiveUID = -1;
+ sendf(Client->Socket, "403 Account disabled\n");
+ return ;
+ }
+ }
+
+ // Disabled accounts
+ if( userFlags & USER_FLAG_DISABLED ) {
+ Client->UID = -1;
+ sendf(Client->Socket, "403 Account disabled\n");
return ;
}
}
}
+ if( Item->Price == 0 )
+ status = "error";
+ // KNOWN HACK: Naming a slot 'dead' disables it
+ if( strcmp(Item->Name, "dead") == 0 )
+ status = "sold"; // Another status?
+
sendf(Client->Socket,
"202 Item %s:%i %s %i %s\n",
Item->Handler->Name, Item->ID, status, Item->Price, Item->Name
case 1: sendf(Client->Socket, "501 Unable to dispense\n"); return ;
case 2: sendf(Client->Socket, "402 Poor You\n"); return ;
default:
- sendf(Client->Socket, "500 Dispense Error\n");
+ sendf(Client->Socket, "500 Dispense Error (%i)\n", ret);
+ return ;
+ }
+}
+
+void Server_Cmd_REFUND(tClient *Client, char *Args)
+{
+ tItem *item;
+ int uid, price_override = 0;
+ char *username, *itemname, *price_str;
+
+ if( Server_int_ParseArgs(0, Args, &username, &itemname, &price_str, NULL) ) {
+ if( !itemname || price_str ) {
+ sendf(Client->Socket, "407 REFUND takes 2 or 3 arguments\n");
+ return ;
+ }
+ }
+
+ if( !Client->bIsAuthed ) {
+ sendf(Client->Socket, "401 Not Authenticated\n");
+ return ;
+ }
+
+ // Check user permissions
+ if( !(Bank_GetFlags(Client->UID) & (USER_FLAG_COKE|USER_FLAG_ADMIN)) ) {
+ sendf(Client->Socket, "403 Not in coke\n");
+ return ;
+ }
+
+ uid = Bank_GetAcctByName(username, 0);
+ if( uid == -1 ) {
+ sendf(Client->Socket, "404 Unknown user\n");
+ return ;
+ }
+
+ item = _GetItemFromString(itemname);
+ if( !item ) {
+ sendf(Client->Socket, "406 Bad Item ID\n");
return ;
}
+
+ if( price_str )
+ price_override = atoi(price_str);
+
+ switch( DispenseRefund( Client->UID, uid, item, price_override ) )
+ {
+ case 0: sendf(Client->Socket, "200 Item Refunded\n"); return ;
+ default:
+ sendf(Client->Socket, "500 Dispense Error\n");
+ return;
+ }
}
void Server_Cmd_GIVE(tClient *Client, char *Args)
sendf(Client->Socket, "407 GIVE takes only 3 arguments\n");
return ;
}
+
// Check for authed
if( !Client->bIsAuthed ) {
sendf(Client->Socket, "401 Not Authenticated\n");
}
// Get recipient
- uid = Bank_GetAcctByName(recipient);
+ uid = Bank_GetAcctByName(recipient, 0);
if( uid == -1 ) {
sendf(Client->Socket, "404 Invalid target user\n");
return ;
}
// You can't alter an internal account
- if( Bank_GetFlags(uid) & USER_FLAG_INTERNAL ) {
- sendf(Client->Socket, "404 Invalid target user\n");
- return ;
- }
+// if( Bank_GetFlags(uid) & USER_FLAG_INTERNAL ) {
+// sendf(Client->Socket, "404 Invalid target user\n");
+// return ;
+// }
// Parse ammount
iAmmount = atoi(ammount);
return ;
}
+ #if !ROOT_CAN_ADD
+ if( strcmp( Client->Username, "root" ) == 0 ) {
+ // Allow adding for new users
+ if( strcmp(reason, "treasurer: new user") != 0 ) {
+ sendf(Client->Socket, "403 Root may not add\n");
+ return ;
+ }
+ }
+ #endif
+
+ #if HACK_NO_REFUNDS
+ if( strstr(reason, "refund") != NULL || strstr(reason, "misdispense") != NULL )
+ {
+ sendf(Client->Socket, "499 Don't use `dispense acct` for refunds, use `dispense refund` (and `dispense -G` to get item IDs)\n");
+ return ;
+ }
+ #endif
+
// Get recipient
- uid = Bank_GetAcctByName(user);
+ uid = Bank_GetAcctByName(user, 0);
if( uid == -1 ) {
sendf(Client->Socket, "404 Invalid user\n");
return ;
}
// You can't alter an internal account
- if( Bank_GetFlags(uid) & USER_FLAG_INTERNAL ) {
- sendf(Client->Socket, "404 Invalid user\n");
- return ;
+ if( !(Bank_GetFlags(Client->UID) & USER_FLAG_ADMIN) )
+ {
+ if( Bank_GetFlags(uid) & USER_FLAG_INTERNAL ) {
+ sendf(Client->Socket, "404 Invalid user\n");
+ return ;
+ }
+ // TODO: Maybe disallow changes to disabled?
}
// Parse ammount
}
// Get recipient
- uid = Bank_GetAcctByName(user);
+ uid = Bank_GetAcctByName(user, 0);
if( uid == -1 ) {
sendf(Client->Socket, "404 Invalid user\n");
return ;
}
-
- // You can't alter an internal account
- if( Bank_GetFlags(uid) & USER_FLAG_INTERNAL ) {
- sendf(Client->Socket, "404 Invalid user\n");
- return ;
- }
// Parse ammount
iAmmount = atoi(ammount);
if( giDebugLevel ) Debug(Client, "User Info '%s'", user);
// Get recipient
- uid = Bank_GetAcctByName(user);
+ uid = Bank_GetAcctByName(user, 0);
if( giDebugLevel >= 2 ) Debug(Client, "uid = %i", uid);
if( uid == -1 ) {
return ;
}
+ // Check authentication
+ if( !Client->bIsAuthed ) {
+ sendf(Client->Socket, "401 Not Authenticated\n");
+ return ;
+ }
+
// Check permissions
if( !(Bank_GetFlags(Client->UID) & USER_FLAG_ADMIN) ) {
sendf(Client->Socket, "403 Not a coke admin\n");
void Server_Cmd_USERFLAGS(tClient *Client, char *Args)
{
- char *username, *flags;
+ char *username, *flags, *reason=NULL;
int mask=0, value=0;
int uid;
// Parse arguments
- if( Server_int_ParseArgs(0, Args, &username, &flags, NULL) ) {
- sendf(Client->Socket, "407 USER_FLAGS takes 2 arguments\n");
+ if( Server_int_ParseArgs(1, Args, &username, &flags, &reason, NULL) ) {
+ if( !flags ) {
+ sendf(Client->Socket, "407 USER_FLAGS takes at least 2 arguments\n");
+ return ;
+ }
+ reason = "";
+ }
+
+ // Check authentication
+ if( !Client->bIsAuthed ) {
+ sendf(Client->Socket, "401 Not Authenticated\n");
return ;
}
}
// Get UID
- uid = Bank_GetAcctByName(username);
+ uid = Bank_GetAcctByName(username, 0);
if( uid == -1 ) {
sendf(Client->Socket, "404 User '%s' not found\n", username);
return ;
// Apply flags
Bank_SetFlags(uid, mask, value);
+
+ // Log the change
+ Log_Info("Updated '%s' with flag set '%s' by '%s' - Reason: %s",
+ username, flags, Client->Username, reason);
// Return OK
sendf(Client->Socket, "200 User Updated\n");
}
+void Server_Cmd_UPDATEITEM(tClient *Client, char *Args)
+{
+ char *itemname, *price_str, *description;
+ int price;
+ tItem *item;
+
+ if( Server_int_ParseArgs(1, Args, &itemname, &price_str, &description, NULL) ) {
+ sendf(Client->Socket, "407 UPDATE_ITEM takes 3 arguments\n");
+ return ;
+ }
+
+ if( !Client->bIsAuthed ) {
+ sendf(Client->Socket, "401 Not Authenticated\n");
+ return ;
+ }
+
+ // Check user permissions
+ if( !(Bank_GetFlags(Client->UID) & (USER_FLAG_COKE|USER_FLAG_ADMIN)) ) {
+ sendf(Client->Socket, "403 Not in coke\n");
+ return ;
+ }
+
+ item = _GetItemFromString(itemname);
+ if( !item ) {
+ // TODO: Create item?
+ sendf(Client->Socket, "406 Bad Item ID\n");
+ return ;
+ }
+
+ price = atoi(price_str);
+ if( price <= 0 && price_str[0] != '0' ) {
+ sendf(Client->Socket, "407 Invalid price set\n");
+ }
+
+ switch( DispenseUpdateItem( Client->UID, item, description, price ) )
+ {
+ case 0:
+ // Return OK
+ sendf(Client->Socket, "200 Item updated\n");
+ break;
+ default:
+ break;
+ }
+}
+
// --- INTERNAL HELPERS ---
void Debug(tClient *Client, const char *Format, ...)
{
git.ucc.asn.au / tpg / opendispense2.git / blobdiff
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