#include <string.h>
#include <limits.h>
#include <stdarg.h>
+#include <signal.h>
#define DEBUG_TRACE_CLIENT 0
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, ...);
{"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 ;
}
+
+#if 0
+ 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
+ exit(0);
+ }
+ // In child, sort out stdin/stdout
+ reopen(0, "/dev/null", O_READ);
+ reopen(1, gsServer_LogFile, O_CREAT|O_APPEND);
+ reopen(2, gsServer_ErrorLog, O_CREAT|O_APPEND);
+ }
+#endif
// 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 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
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");
}
/**
{
char *command, *args;
int i;
- #if 0
- char **argList;
- int numArgs = 0;
- #endif
+
+ if( giDebugLevel >= 2 )
+ Debug(Client, "Server_ParseClientCommand: (CommandString = '%s')", CommandString);
if( Server_int_ParseArgs(1, CommandString, &command, &args, NULL) )
{
+ if( command == NULL ) return ;
+// printf("command=%s, args=%s\n", command, args);
// Is this an error? (just ignore for now)
- args = "";
+ //args = "";
}
// Find command
for( i = 0; i < NUM_COMMANDS; i++ )
{
- if(strcmp(CommandString, gaServer_Commands[i].Name) == 0) {
+ if(strcmp(command, gaServer_Commands[i].Name) == 0) {
+ if( giDebugLevel >= 2 )
+ Debug(Client, "CMD %s - \"%s\"", command, args);
gaServer_Commands[i].Function(Client, args);
return ;
}
{
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;
- Server_int_ParseArgs(0, Args, &username, NULL);
+ if( Server_int_ParseArgs(0, Args, &username, NULL) )
+ {
+ sendf(Client->Socket, "407 AUTOAUTH takes 1 argument\n");
+ return ;
+ }
// Check if trusted
if( !Client->bIsTrusted ) {
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 ;
}
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");
}
// 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 ;
}
}
// 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");
- return ;
+ 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 ;
+ }
}
sendf(Client->Socket, "200 User set\n");
}
+/**
+ * \brief Send an item status to the client
+ * \param Client Who to?
+ * \param Item Item to send
+ */
+void Server_int_SendItem(tClient *Client, tItem *Item)
+{
+ char *status = "avail";
+
+ if( Item->Handler->CanDispense )
+ {
+ switch(Item->Handler->CanDispense(Client->UID, Item->ID))
+ {
+ case 0: status = "avail"; break;
+ case 1: status = "sold"; break;
+ default:
+ case -1: status = "error"; break;
+ }
+ }
+
+ sendf(Client->Socket,
+ "202 Item %s:%i %s %i %s\n",
+ Item->Handler->Name, Item->ID, status, Item->Price, Item->Name
+ );
+}
+
/**
* \brief Enumerate the items that the server knows about
*/
for( i = 0; i < giNumItems; i ++ ) {
if( gaItems[i].bHidden ) continue;
- sendf(Client->Socket,
- "202 Item %s:%i %i %s\n",
- gaItems[i].Handler->Name, gaItems[i].ID, gaItems[i].Price, gaItems[i].Name
- );
+ Server_int_SendItem( Client, &gaItems[i] );
}
sendf(Client->Socket, "200 List end\n");
return ;
}
- sendf(Client->Socket,
- "202 Item %s:%i %i %s\n",
- item->Handler->Name, item->ID, item->Price, item->Name
- );
+ Server_int_SendItem( Client, item );
}
void Server_Cmd_DISPENSE(tClient *Client, char *Args)
}
}
+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);
+ 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)
{
char *recipient, *ammount, *reason;
}
// 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);
}
// 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
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);
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");
+ }
+
+ // Update the item
+ free(item->Name);
+ item->Name = strdup(description);
+ item->Price = price;
+
+ // Update item file
+ Items_UpdateFile();
+
+ // Return OK
+ sendf(Client->Socket, "200 Item updated\n");
+}
+
// --- INTERNAL HELPERS ---
void Debug(tClient *Client, const char *Format, ...)
{
int Server_int_ParseArgs(int bUseLongLast, char *ArgStr, ...)
{
va_list args;
- char savedChar = *ArgStr;
+ char savedChar;
char **dest;
va_start(args, ArgStr);
+
+ // Check for null
+ if( !ArgStr )
+ {
+ while( (dest = va_arg(args, char **)) )
+ *dest = NULL;
+ va_end(args);
+ return 1;
+ }
+
+ savedChar = *ArgStr;
while( (dest = va_arg(args, char **)) )
{
do {
*dest = NULL;
} while( (dest = va_arg(args, char **)) );
+ va_end(args);
return -1;
}
- // Set destination
- *dest = ArgStr;
-
if( *ArgStr == '"' )
{
+ ArgStr ++;
+ *dest = ArgStr;
// Read until quote
while( *ArgStr && *ArgStr != '"' )
ArgStr ++;
}
else
{
+ // Set destination
+ *dest = ArgStr;
// Read until a space
while( *ArgStr && *ArgStr != ' ' && *ArgStr != '\t' )
ArgStr ++;
}
savedChar = *ArgStr; // savedChar is used to un-mangle the last string
*ArgStr = '\0';
+ ArgStr ++;
}
+ va_end(args);
// Oops, extra arguments, and greedy not set
- if( savedChar == ' ' && bUseLongLast )
+ if( (savedChar == ' ' || savedChar == '\t') && !bUseLongLast ) {
return -1;
+ }
// Un-mangle last
- if(bUseLongLast)
+ if(bUseLongLast) {
+ ArgStr --;
*ArgStr = savedChar;
-
- va_end(args);
+ }
return 0; // Success!
}
git.ucc.asn.au / tpg / opendispense2.git / blobdiff
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