3 * UCC (University [of WA] Computer Club) Electronic Accounting System
5 * server.c - Client Server Code
7 * This file is licenced under the 3-clause BSD Licence. See the file
8 * COPYING for full details.
13 #include <sys/socket.h>
14 #include <netinet/in.h>
15 #include <arpa/inet.h>
21 #define DEBUG_TRACE_CLIENT 0
24 #define MAX_CONNECTION_QUEUE 5
25 #define INPUT_BUFFER_SIZE 256
26 #define CLIENT_TIMEOUT 10 // Seconds
28 #define HASH_TYPE SHA1
29 #define HASH_LENGTH 20
31 #define MSG_STR_TOO_LONG "499 Command too long (limit "EXPSTR(INPUT_BUFFER_SIZE)")\n"
34 typedef struct sClient
36 int Socket; // Client socket ID
39 int bIsTrusted; // Is the connection from a trusted host/port
50 void Server_Start(void);
51 void Server_Cleanup(void);
52 void Server_HandleClient(int Socket, int bTrusted);
53 void Server_ParseClientCommand(tClient *Client, char *CommandString);
55 void Server_Cmd_USER(tClient *Client, char *Args);
56 void Server_Cmd_PASS(tClient *Client, char *Args);
57 void Server_Cmd_AUTOAUTH(tClient *Client, char *Args);
58 void Server_Cmd_SETEUSER(tClient *Client, char *Args);
59 void Server_Cmd_ENUMITEMS(tClient *Client, char *Args);
60 void Server_Cmd_ITEMINFO(tClient *Client, char *Args);
61 void Server_Cmd_DISPENSE(tClient *Client, char *Args);
62 void Server_Cmd_GIVE(tClient *Client, char *Args);
63 void Server_Cmd_DONATE(tClient *Client, char *Args);
64 void Server_Cmd_ADD(tClient *Client, char *Args);
65 void Server_Cmd_SET(tClient *Client, char *Args);
66 void Server_Cmd_ENUMUSERS(tClient *Client, char *Args);
67 void Server_Cmd_USERINFO(tClient *Client, char *Args);
68 void _SendUserInfo(tClient *Client, int UserID);
69 void Server_Cmd_USERADD(tClient *Client, char *Args);
70 void Server_Cmd_USERFLAGS(tClient *Client, char *Args);
72 void Debug(tClient *Client, const char *Format, ...);
73 int sendf(int Socket, const char *Format, ...);
74 int Server_int_ParseArgs(int bUseLongArg, char *ArgStr, ...);
75 int Server_int_ParseFlags(tClient *Client, const char *Str, int *Mask, int *Value);
79 const struct sClientCommand {
81 void (*Function)(tClient *Client, char *Arguments);
82 } gaServer_Commands[] = {
83 {"USER", Server_Cmd_USER},
84 {"PASS", Server_Cmd_PASS},
85 {"AUTOAUTH", Server_Cmd_AUTOAUTH},
86 {"SETEUSER", Server_Cmd_SETEUSER},
87 {"ENUM_ITEMS", Server_Cmd_ENUMITEMS},
88 {"ITEM_INFO", Server_Cmd_ITEMINFO},
89 {"DISPENSE", Server_Cmd_DISPENSE},
90 {"GIVE", Server_Cmd_GIVE},
91 {"DONATE", Server_Cmd_DONATE},
92 {"ADD", Server_Cmd_ADD},
93 {"SET", Server_Cmd_SET},
94 {"ENUM_USERS", Server_Cmd_ENUMUSERS},
95 {"USER_INFO", Server_Cmd_USERINFO},
96 {"USER_ADD", Server_Cmd_USERADD},
97 {"USER_FLAGS", Server_Cmd_USERFLAGS}
99 #define NUM_COMMANDS ((int)(sizeof(gaServer_Commands)/sizeof(gaServer_Commands[0])))
102 int giServer_Port = 1020;
103 int giServer_NextClientID = 1;
108 * \brief Open listenting socket and serve connections
110 void Server_Start(void)
113 struct sockaddr_in server_addr, client_addr;
115 atexit(Server_Cleanup);
118 giServer_Socket = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
119 if( giServer_Socket < 0 ) {
120 fprintf(stderr, "ERROR: Unable to create server socket\n");
124 // Make listen address
125 memset(&server_addr, 0, sizeof(server_addr));
126 server_addr.sin_family = AF_INET; // Internet Socket
127 server_addr.sin_addr.s_addr = htonl(INADDR_ANY); // Listen on all interfaces
128 server_addr.sin_port = htons(giServer_Port); // Port
131 if( bind(giServer_Socket, (struct sockaddr *) &server_addr, sizeof(server_addr)) < 0 ) {
132 fprintf(stderr, "ERROR: Unable to bind to 0.0.0.0:%i\n", giServer_Port);
138 if( listen(giServer_Socket, MAX_CONNECTION_QUEUE) < 0 ) {
139 fprintf(stderr, "ERROR: Unable to listen to socket\n");
144 printf("Listening on 0.0.0.0:%i\n", giServer_Port);
148 uint len = sizeof(client_addr);
151 // Accept a connection
152 client_socket = accept(giServer_Socket, (struct sockaddr *) &client_addr, &len);
153 if(client_socket < 0) {
154 fprintf(stderr, "ERROR: Unable to accept client connection\n");
158 // Set a timeout on the user conneciton
161 tv.tv_sec = CLIENT_TIMEOUT;
163 if( setsockopt(client_socket, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) )
165 perror("setsockopt");
170 // Debug: Print the connection string
171 if(giDebugLevel >= 2) {
172 char ipstr[INET_ADDRSTRLEN];
173 inet_ntop(AF_INET, &client_addr.sin_addr, ipstr, INET_ADDRSTRLEN);
174 printf("Client connection from %s:%i\n",
175 ipstr, ntohs(client_addr.sin_port));
178 // Doesn't matter what, localhost is trusted
179 if( ntohl( client_addr.sin_addr.s_addr ) == 0x7F000001 )
182 // Trusted Connections
183 if( ntohs(client_addr.sin_port) < 1024 )
185 // TODO: Make this runtime configurable
186 switch( ntohl( client_addr.sin_addr.s_addr ) )
188 case 0x7F000001: // 127.0.0.1 localhost
189 // case 0x825E0D00: // 130.95.13.0
190 case 0x825E0D07: // 130.95.13.7 motsugo
191 case 0x825E0D11: // 130.95.13.17 mermaid
192 case 0x825E0D12: // 130.95.13.18 mussel
193 case 0x825E0D17: // 130.95.13.23 martello
201 // TODO: Multithread this?
202 Server_HandleClient(client_socket, bTrusted);
204 close(client_socket);
208 void Server_Cleanup(void)
210 printf("Close(%i)\n", giServer_Socket);
211 close(giServer_Socket);
215 * \brief Reads from a client socket and parses the command strings
216 * \param Socket Client socket number/handle
217 * \param bTrusted Is the client trusted?
219 void Server_HandleClient(int Socket, int bTrusted)
221 char inbuf[INPUT_BUFFER_SIZE];
223 int remspace = INPUT_BUFFER_SIZE-1;
227 memset(&clientInfo, 0, sizeof(clientInfo));
229 // Initialise Client info
230 clientInfo.Socket = Socket;
231 clientInfo.ID = giServer_NextClientID ++;
232 clientInfo.bIsTrusted = bTrusted;
233 clientInfo.EffectiveUID = -1;
238 * - The `buf` and `remspace` variables allow a line to span several
239 * calls to recv(), if a line is not completed in one recv() call
240 * it is saved to the beginning of `inbuf` and `buf` is updated to
243 // TODO: Use select() instead (to give a timeout)
244 while( (bytes = recv(Socket, buf, remspace, 0)) > 0 )
247 buf[bytes] = '\0'; // Allow us to use stdlib string functions on it
251 while( (eol = strchr(start, '\n')) )
255 Server_ParseClientCommand(&clientInfo, start);
260 // Check if there was an incomplete line
261 if( *start != '\0' ) {
262 int tailBytes = bytes - (start-buf);
263 // Roll back in buffer
264 memcpy(inbuf, start, tailBytes);
265 remspace -= tailBytes;
267 send(Socket, MSG_STR_TOO_LONG, sizeof(MSG_STR_TOO_LONG), 0);
269 remspace = INPUT_BUFFER_SIZE - 1;
274 remspace = INPUT_BUFFER_SIZE - 1;
280 fprintf(stderr, "ERROR: Unable to recieve from client on socket %i\n", Socket);
284 if(giDebugLevel >= 2) {
285 printf("Client %i: Disconnected\n", clientInfo.ID);
290 * \brief Parses a client command and calls the required helper function
291 * \param Client Pointer to client state structure
292 * \param CommandString Command from client (single line of the command)
293 * \return Heap String to return to the client
295 void Server_ParseClientCommand(tClient *Client, char *CommandString)
297 char *command, *args;
304 if( Server_int_ParseArgs(1, CommandString, &command, &args, NULL) )
306 // Is this an error? (just ignore for now)
312 for( i = 0; i < NUM_COMMANDS; i++ )
314 if(strcmp(CommandString, gaServer_Commands[i].Name) == 0) {
315 gaServer_Commands[i].Function(Client, args);
320 sendf(Client->Socket, "400 Unknown Command\n");
327 * \brief Set client username
329 * Usage: USER <username>
331 void Server_Cmd_USER(tClient *Client, char *Args)
335 Server_int_ParseArgs(0, Args, &username, NULL);
339 Debug(Client, "Authenticating as '%s'", username);
343 free(Client->Username);
344 Client->Username = strdup(username);
347 // Create a salt (that changes if the username is changed)
348 // Yes, I know, I'm a little paranoid, but who isn't?
349 Client->Salt[0] = 0x21 + (rand()&0x3F);
350 Client->Salt[1] = 0x21 + (rand()&0x3F);
351 Client->Salt[2] = 0x21 + (rand()&0x3F);
352 Client->Salt[3] = 0x21 + (rand()&0x3F);
353 Client->Salt[4] = 0x21 + (rand()&0x3F);
354 Client->Salt[5] = 0x21 + (rand()&0x3F);
355 Client->Salt[6] = 0x21 + (rand()&0x3F);
356 Client->Salt[7] = 0x21 + (rand()&0x3F);
358 // TODO: Also send hash type to use, (SHA1 or crypt according to [DAA])
359 sendf(Client->Socket, "100 SALT %s\n", Client->Salt);
361 sendf(Client->Socket, "100 User Set\n");
366 * \brief Authenticate as a user
370 void Server_Cmd_PASS(tClient *Client, char *Args)
374 Server_int_ParseArgs(0, Args, &passhash, NULL);
376 // Pass on to cokebank
377 Client->UID = Bank_GetUserAuth(Client->Salt, Client->Username, passhash);
379 if( Client->UID != -1 ) {
380 Client->bIsAuthed = 1;
381 sendf(Client->Socket, "200 Auth OK\n");
385 sendf(Client->Socket, "401 Auth Failure\n");
389 * \brief Authenticate as a user without a password
391 * Usage: AUTOAUTH <user>
393 void Server_Cmd_AUTOAUTH(tClient *Client, char *Args)
397 Server_int_ParseArgs(0, Args, &username, NULL);
400 if( !Client->bIsTrusted ) {
402 Debug(Client, "Untrusted client attempting to AUTOAUTH");
403 sendf(Client->Socket, "401 Untrusted\n");
408 Client->UID = Bank_GetAcctByName( username );
409 if( Client->UID < 0 ) {
411 Debug(Client, "Unknown user '%s'", username);
412 sendf(Client->Socket, "401 Auth Failure\n");
416 // You can't be an internal account
417 if( Bank_GetFlags(Client->UID) & USER_FLAG_INTERNAL ) {
419 sendf(Client->Socket, "401 Auth Failure\n");
423 Client->bIsAuthed = 1;
426 Debug(Client, "Auto authenticated as '%s' (%i)", username, Client->UID);
428 sendf(Client->Socket, "200 Auth OK\n");
432 * \brief Set effective user
434 void Server_Cmd_SETEUSER(tClient *Client, char *Args)
438 Server_int_ParseArgs(0, Args, &username, NULL);
440 if( !strlen(Args) ) {
441 sendf(Client->Socket, "407 SETEUSER expects an argument\n");
445 // Check user permissions
446 if( !(Bank_GetFlags(Client->UID) & (USER_FLAG_COKE|USER_FLAG_ADMIN)) ) {
447 sendf(Client->Socket, "403 Not in coke\n");
452 Client->EffectiveUID = Bank_GetAcctByName(username);
453 if( Client->EffectiveUID == -1 ) {
454 sendf(Client->Socket, "404 User not found\n");
458 // You can't be an internal account
459 if( Bank_GetFlags(Client->EffectiveUID) & USER_FLAG_INTERNAL ) {
460 Client->EffectiveUID = -1;
461 sendf(Client->Socket, "404 User not found\n");
465 sendf(Client->Socket, "200 User set\n");
469 * \brief Enumerate the items that the server knows about
471 void Server_Cmd_ENUMITEMS(tClient *Client, char *Args)
475 if( Args != NULL && strlen(Args) ) {
476 sendf(Client->Socket, "407 ENUM_ITEMS takes no arguments\n");
482 for( i = 0; i < giNumItems; i ++ ) {
483 if( gaItems[i].bHidden ) continue;
487 sendf(Client->Socket, "201 Items %i\n", count);
489 for( i = 0; i < giNumItems; i ++ ) {
490 if( gaItems[i].bHidden ) continue;
491 sendf(Client->Socket,
492 "202 Item %s:%i %i %s\n",
493 gaItems[i].Handler->Name, gaItems[i].ID, gaItems[i].Price, gaItems[i].Name
497 sendf(Client->Socket, "200 List end\n");
500 tItem *_GetItemFromString(char *String)
504 char *colon = strchr(String, ':');
516 for( i = 0; i < giNumHandlers; i ++ )
518 if( strcmp(gaHandlers[i]->Name, type) == 0) {
519 handler = gaHandlers[i];
528 for( i = 0; i < giNumItems; i ++ )
530 if( gaItems[i].Handler != handler ) continue;
531 if( gaItems[i].ID != num ) continue;
538 * \brief Fetch information on a specific item
540 void Server_Cmd_ITEMINFO(tClient *Client, char *Args)
545 if( Server_int_ParseArgs(0, Args, &itemname, NULL) ) {
546 sendf(Client->Socket, "407 ITEMINFO takes 1 argument\n");
549 item = _GetItemFromString(Args);
552 sendf(Client->Socket, "406 Bad Item ID\n");
556 sendf(Client->Socket,
557 "202 Item %s:%i %i %s\n",
558 item->Handler->Name, item->ID, item->Price, item->Name
562 void Server_Cmd_DISPENSE(tClient *Client, char *Args)
569 if( Server_int_ParseArgs(0, Args, &itemname, NULL) ) {
570 sendf(Client->Socket, "407 DISPENSE takes only 1 argument\n");
574 if( !Client->bIsAuthed ) {
575 sendf(Client->Socket, "401 Not Authenticated\n");
579 item = _GetItemFromString(itemname);
581 sendf(Client->Socket, "406 Bad Item ID\n");
585 if( Client->EffectiveUID != -1 ) {
586 uid = Client->EffectiveUID;
592 switch( ret = DispenseItem( Client->UID, uid, item ) )
594 case 0: sendf(Client->Socket, "200 Dispense OK\n"); return ;
595 case 1: sendf(Client->Socket, "501 Unable to dispense\n"); return ;
596 case 2: sendf(Client->Socket, "402 Poor You\n"); return ;
598 sendf(Client->Socket, "500 Dispense Error\n");
603 void Server_Cmd_GIVE(tClient *Client, char *Args)
605 char *recipient, *ammount, *reason;
610 if( Server_int_ParseArgs(1, Args, &recipient, &ammount, &reason, NULL) ) {
611 sendf(Client->Socket, "407 GIVE takes only 3 arguments\n");
615 if( !Client->bIsAuthed ) {
616 sendf(Client->Socket, "401 Not Authenticated\n");
621 uid = Bank_GetAcctByName(recipient);
623 sendf(Client->Socket, "404 Invalid target user\n");
627 // You can't alter an internal account
628 if( Bank_GetFlags(uid) & USER_FLAG_INTERNAL ) {
629 sendf(Client->Socket, "404 Invalid target user\n");
634 iAmmount = atoi(ammount);
635 if( iAmmount <= 0 ) {
636 sendf(Client->Socket, "407 Invalid Argument, ammount must be > zero\n");
640 if( Client->EffectiveUID != -1 ) {
641 thisUid = Client->EffectiveUID;
644 thisUid = Client->UID;
648 switch( DispenseGive(Client->UID, thisUid, uid, iAmmount, reason) )
651 sendf(Client->Socket, "200 Give OK\n");
654 sendf(Client->Socket, "402 Poor You\n");
657 sendf(Client->Socket, "500 Unknown error\n");
662 void Server_Cmd_DONATE(tClient *Client, char *Args)
664 char *ammount, *reason;
669 if( Server_int_ParseArgs(1, Args, &ammount, &reason, NULL) ) {
670 sendf(Client->Socket, "407 DONATE takes 2 arguments\n");
674 if( !Client->bIsAuthed ) {
675 sendf(Client->Socket, "401 Not Authenticated\n");
680 iAmmount = atoi(ammount);
681 if( iAmmount <= 0 ) {
682 sendf(Client->Socket, "407 Invalid Argument, ammount must be > zero\n");
686 // Handle effective users
687 if( Client->EffectiveUID != -1 ) {
688 thisUid = Client->EffectiveUID;
691 thisUid = Client->UID;
695 switch( DispenseDonate(Client->UID, thisUid, iAmmount, reason) )
698 sendf(Client->Socket, "200 Give OK\n");
701 sendf(Client->Socket, "402 Poor You\n");
704 sendf(Client->Socket, "500 Unknown error\n");
709 void Server_Cmd_ADD(tClient *Client, char *Args)
711 char *user, *ammount, *reason;
715 if( Server_int_ParseArgs(1, Args, &user, &ammount, &reason, NULL) ) {
716 sendf(Client->Socket, "407 ADD takes 3 arguments\n");
720 if( !Client->bIsAuthed ) {
721 sendf(Client->Socket, "401 Not Authenticated\n");
725 // Check user permissions
726 if( !(Bank_GetFlags(Client->UID) & (USER_FLAG_COKE|USER_FLAG_ADMIN)) ) {
727 sendf(Client->Socket, "403 Not in coke\n");
732 uid = Bank_GetAcctByName(user);
734 sendf(Client->Socket, "404 Invalid user\n");
738 // You can't alter an internal account
739 if( Bank_GetFlags(uid) & USER_FLAG_INTERNAL ) {
740 sendf(Client->Socket, "404 Invalid user\n");
745 iAmmount = atoi(ammount);
746 if( iAmmount == 0 && ammount[0] != '0' ) {
747 sendf(Client->Socket, "407 Invalid Argument\n");
752 switch( DispenseAdd(Client->UID, uid, iAmmount, reason) )
755 sendf(Client->Socket, "200 Add OK\n");
758 sendf(Client->Socket, "402 Poor Guy\n");
761 sendf(Client->Socket, "500 Unknown error\n");
766 void Server_Cmd_SET(tClient *Client, char *Args)
768 char *user, *ammount, *reason;
772 if( Server_int_ParseArgs(1, Args, &user, &ammount, &reason, NULL) ) {
773 sendf(Client->Socket, "407 SET takes 3 arguments\n");
777 if( !Client->bIsAuthed ) {
778 sendf(Client->Socket, "401 Not Authenticated\n");
782 // Check user permissions
783 if( !(Bank_GetFlags(Client->UID) & USER_FLAG_ADMIN) ) {
784 sendf(Client->Socket, "403 Not an admin\n");
789 uid = Bank_GetAcctByName(user);
791 sendf(Client->Socket, "404 Invalid user\n");
795 // You can't alter an internal account
796 if( Bank_GetFlags(uid) & USER_FLAG_INTERNAL ) {
797 sendf(Client->Socket, "404 Invalid user\n");
802 iAmmount = atoi(ammount);
803 if( iAmmount == 0 && ammount[0] != '0' ) {
804 sendf(Client->Socket, "407 Invalid Argument\n");
809 switch( DispenseSet(Client->UID, uid, iAmmount, reason) )
812 sendf(Client->Socket, "200 Add OK\n");
815 sendf(Client->Socket, "402 Poor Guy\n");
818 sendf(Client->Socket, "500 Unknown error\n");
823 void Server_Cmd_ENUMUSERS(tClient *Client, char *Args)
827 int maxBal = INT_MAX, minBal = INT_MIN;
828 int flagMask = 0, flagVal = 0;
829 int sort = BANK_ITFLAG_SORT_NAME;
830 time_t lastSeenAfter=0, lastSeenBefore=0;
832 int flags; // Iterator flags
833 int balValue; // Balance value for iterator
834 time_t timeValue; // Time value for iterator
837 if( Args && strlen(Args) )
839 char *space = Args, *type, *val;
843 while(*type == ' ') type ++;
845 space = strchr(space, ' ');
846 if(space) *space = '\0';
849 val = strchr(type, ':');
856 if( strcmp(type, "min_balance") == 0 ) {
860 else if( strcmp(type, "max_balance") == 0 ) {
864 else if( strcmp(type, "flags") == 0 ) {
865 if( Server_int_ParseFlags(Client, val, &flagMask, &flagVal) )
868 // - Last seen before timestamp
869 else if( strcmp(type, "last_seen_before") == 0 ) {
870 lastSeenAfter = atoll(val);
872 // - Last seen after timestamp
873 else if( strcmp(type, "last_seen_after") == 0 ) {
874 lastSeenAfter = atoll(val);
877 else if( strcmp(type, "sort") == 0 ) {
878 char *dash = strchr(val, '-');
883 if( strcmp(val, "name") == 0 ) {
884 sort = BANK_ITFLAG_SORT_NAME;
886 else if( strcmp(val, "balance") == 0 ) {
887 sort = BANK_ITFLAG_SORT_BAL;
889 else if( strcmp(val, "lastseen") == 0 ) {
890 sort = BANK_ITFLAG_SORT_LASTSEEN;
893 sendf(Client->Socket, "407 Unknown sort field ('%s')\n", val);
896 // Handle sort direction
898 if( strcmp(dash, "desc") == 0 ) {
899 sort |= BANK_ITFLAG_REVSORT;
902 sendf(Client->Socket, "407 Unknown sort direction '%s'\n", dash);
909 sendf(Client->Socket, "407 Unknown argument to ENUM_USERS '%s:%s'\n", type, val);
916 sendf(Client->Socket, "407 Unknown argument to ENUM_USERS '%s'\n", type);
922 *space = ' '; // Repair (to be nice)
924 while(*space == ' ') space ++;
930 if( maxBal != INT_MAX ) {
931 flags = sort|BANK_ITFLAG_MAXBALANCE;
934 else if( minBal != INT_MIN ) {
935 flags = sort|BANK_ITFLAG_MINBALANCE;
942 if( lastSeenBefore ) {
943 timeValue = lastSeenBefore;
944 flags |= BANK_ITFLAG_SEENBEFORE;
946 else if( lastSeenAfter ) {
947 timeValue = lastSeenAfter;
948 flags |= BANK_ITFLAG_SEENAFTER;
953 it = Bank_Iterator(flagMask, flagVal, flags, balValue, timeValue);
956 while( (i = Bank_IteratorNext(it)) != -1 )
958 int bal = Bank_GetBalance(i);
960 if( bal == INT_MIN ) continue;
962 if( bal < minBal ) continue;
963 if( bal > maxBal ) continue;
968 Bank_DelIterator(it);
971 sendf(Client->Socket, "201 Users %i\n", numRet);
975 it = Bank_Iterator(flagMask, flagVal, flags, balValue, timeValue);
977 while( (i = Bank_IteratorNext(it)) != -1 )
979 int bal = Bank_GetBalance(i);
981 if( bal == INT_MIN ) continue;
983 if( bal < minBal ) continue;
984 if( bal > maxBal ) continue;
986 _SendUserInfo(Client, i);
989 Bank_DelIterator(it);
991 sendf(Client->Socket, "200 List End\n");
994 void Server_Cmd_USERINFO(tClient *Client, char *Args)
1000 if( Server_int_ParseArgs(0, Args, &user, NULL) ) {
1001 sendf(Client->Socket, "407 USER_INFO takes 1 argument\n");
1005 if( giDebugLevel ) Debug(Client, "User Info '%s'", user);
1008 uid = Bank_GetAcctByName(user);
1010 if( giDebugLevel >= 2 ) Debug(Client, "uid = %i", uid);
1012 sendf(Client->Socket, "404 Invalid user\n");
1016 _SendUserInfo(Client, uid);
1019 void _SendUserInfo(tClient *Client, int UserID)
1021 char *type, *disabled="", *door="";
1022 int flags = Bank_GetFlags(UserID);
1024 if( flags & USER_FLAG_INTERNAL ) {
1027 else if( flags & USER_FLAG_COKE ) {
1028 if( flags & USER_FLAG_ADMIN )
1029 type = "coke,admin";
1033 else if( flags & USER_FLAG_ADMIN ) {
1040 if( flags & USER_FLAG_DISABLED )
1041 disabled = ",disabled";
1042 if( flags & USER_FLAG_DOORGROUP )
1045 // TODO: User flags/type
1047 Client->Socket, "202 User %s %i %s%s%s\n",
1048 Bank_GetAcctName(UserID), Bank_GetBalance(UserID),
1049 type, disabled, door
1053 void Server_Cmd_USERADD(tClient *Client, char *Args)
1058 if( Server_int_ParseArgs(0, Args, &username, NULL) ) {
1059 sendf(Client->Socket, "407 USER_ADD takes 1 argument\n");
1063 // Check permissions
1064 if( !(Bank_GetFlags(Client->UID) & USER_FLAG_ADMIN) ) {
1065 sendf(Client->Socket, "403 Not a coke admin\n");
1069 // Try to create user
1070 if( Bank_CreateAcct(username) == -1 ) {
1071 sendf(Client->Socket, "404 User exists\n");
1076 char *thisName = Bank_GetAcctName(Client->UID);
1077 Log_Info("Account '%s' created by '%s'", username, thisName);
1081 sendf(Client->Socket, "200 User Added\n");
1084 void Server_Cmd_USERFLAGS(tClient *Client, char *Args)
1086 char *username, *flags;
1087 int mask=0, value=0;
1091 if( Server_int_ParseArgs(0, Args, &username, &flags, NULL) ) {
1092 sendf(Client->Socket, "407 USER_FLAGS takes 2 arguments\n");
1096 // Check permissions
1097 if( !(Bank_GetFlags(Client->UID) & USER_FLAG_ADMIN) ) {
1098 sendf(Client->Socket, "403 Not a coke admin\n");
1103 uid = Bank_GetAcctByName(username);
1105 sendf(Client->Socket, "404 User '%s' not found\n", username);
1110 if( Server_int_ParseFlags(Client, flags, &mask, &value) )
1114 Debug(Client, "Set %i(%s) flags to %x (masked %x)\n",
1115 uid, username, mask, value);
1118 Bank_SetFlags(uid, mask, value);
1121 sendf(Client->Socket, "200 User Updated\n");
1124 // --- INTERNAL HELPERS ---
1125 void Debug(tClient *Client, const char *Format, ...)
1128 //printf("%010i [%i] ", (int)time(NULL), Client->ID);
1129 printf("[%i] ", Client->ID);
1130 va_start(args, Format);
1131 vprintf(Format, args);
1136 int sendf(int Socket, const char *Format, ...)
1141 va_start(args, Format);
1142 len = vsnprintf(NULL, 0, Format, args);
1147 va_start(args, Format);
1148 vsnprintf(buf, len+1, Format, args);
1151 #if DEBUG_TRACE_CLIENT
1152 printf("sendf: %s", buf);
1155 return send(Socket, buf, len, 0);
1159 // Takes a series of char *'s in
1161 * \brief Parse space-separated entries into
1163 int Server_int_ParseArgs(int bUseLongLast, char *ArgStr, ...)
1166 char savedChar = *ArgStr;
1168 va_start(args, ArgStr);
1170 while( (dest = va_arg(args, char **)) )
1172 // Trim leading spaces
1173 while( *ArgStr == ' ' || *ArgStr == '\t' )
1176 // ... oops, not enough arguments
1177 if( *ArgStr == '\0' )
1179 // NULL unset arguments
1182 } while( (dest = va_arg(args, char **)) );
1189 if( *ArgStr == '"' )
1192 while( *ArgStr && *ArgStr != '"' )
1197 // Read until a space
1198 while( *ArgStr && *ArgStr != ' ' && *ArgStr != '\t' )
1201 savedChar = *ArgStr; // savedChar is used to un-mangle the last string
1205 // Oops, extra arguments, and greedy not set
1206 if( savedChar == ' ' && bUseLongLast )
1211 *ArgStr = savedChar;
1215 return 0; // Success!
1218 int Server_int_ParseFlags(tClient *Client, const char *Str, int *Mask, int *Value)
1225 {"disabled", USER_FLAG_DISABLED, USER_FLAG_DISABLED}
1226 ,{"door", USER_FLAG_DOORGROUP, USER_FLAG_DOORGROUP}
1227 ,{"coke", USER_FLAG_COKE, USER_FLAG_COKE}
1228 ,{"admin", USER_FLAG_ADMIN, USER_FLAG_ADMIN}
1229 ,{"internal", USER_FLAG_INTERNAL, USER_FLAG_INTERNAL}
1231 const int ciNumFlags = sizeof(cFLAGS)/sizeof(cFLAGS[0]);
1243 while( *Str == ' ' ) Str ++; // Eat whitespace
1244 space = strchr(Str, ','); // Find the end of the flag
1250 // Check for inversion/removal
1251 if( *Str == '!' || *Str == '-' ) {
1255 else if( *Str == '+' ) {
1259 // Check flag values
1260 for( i = 0; i < ciNumFlags; i ++ )
1262 if( strncmp(Str, cFLAGS[i].Name, len) == 0 ) {
1263 *Mask |= cFLAGS[i].Mask;
1264 *Value &= ~cFLAGS[i].Mask;
1266 *Value |= cFLAGS[i].Value;
1272 if( i == ciNumFlags ) {
1274 strncpy(val, Str, len+1);
1275 sendf(Client->Socket, "407 Unknown flag value '%s'\n", val);