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 = 11020;
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 FILE *fp = fopen("/var/run/dispsrv.pid", "w");
149 fprintf(fp, "%i", getpid());
155 uint len = sizeof(client_addr);
158 // Accept a connection
159 client_socket = accept(giServer_Socket, (struct sockaddr *) &client_addr, &len);
160 if(client_socket < 0) {
161 fprintf(stderr, "ERROR: Unable to accept client connection\n");
165 // Set a timeout on the user conneciton
168 tv.tv_sec = CLIENT_TIMEOUT;
170 if( setsockopt(client_socket, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) )
172 perror("setsockopt");
177 // Debug: Print the connection string
178 if(giDebugLevel >= 2) {
179 char ipstr[INET_ADDRSTRLEN];
180 inet_ntop(AF_INET, &client_addr.sin_addr, ipstr, INET_ADDRSTRLEN);
181 printf("Client connection from %s:%i\n",
182 ipstr, ntohs(client_addr.sin_port));
185 // Doesn't matter what, localhost is trusted
186 if( ntohl( client_addr.sin_addr.s_addr ) == 0x7F000001 )
189 // Trusted Connections
190 if( ntohs(client_addr.sin_port) < 1024 )
192 // TODO: Make this runtime configurable
193 switch( ntohl( client_addr.sin_addr.s_addr ) )
195 case 0x7F000001: // 127.0.0.1 localhost
196 // case 0x825F0D00: // 130.95.13.0
197 case 0x825F0D07: // 130.95.13.7 motsugo
198 case 0x825F0D11: // 130.95.13.17 mermaid
199 case 0x825F0D12: // 130.95.13.18 mussel
200 case 0x825F0D17: // 130.95.13.23 martello
201 case 0x825F0D42: // 130.95.13.66 heathred
209 // TODO: Multithread this?
210 Server_HandleClient(client_socket, bTrusted);
212 close(client_socket);
216 void Server_Cleanup(void)
218 printf("\nClose(%i)\n", giServer_Socket);
219 close(giServer_Socket);
220 unlink("/var/run/dispsrv");
224 * \brief Reads from a client socket and parses the command strings
225 * \param Socket Client socket number/handle
226 * \param bTrusted Is the client trusted?
228 void Server_HandleClient(int Socket, int bTrusted)
230 char inbuf[INPUT_BUFFER_SIZE];
232 int remspace = INPUT_BUFFER_SIZE-1;
236 memset(&clientInfo, 0, sizeof(clientInfo));
238 // Initialise Client info
239 clientInfo.Socket = Socket;
240 clientInfo.ID = giServer_NextClientID ++;
241 clientInfo.bIsTrusted = bTrusted;
242 clientInfo.EffectiveUID = -1;
247 * - The `buf` and `remspace` variables allow a line to span several
248 * calls to recv(), if a line is not completed in one recv() call
249 * it is saved to the beginning of `inbuf` and `buf` is updated to
252 // TODO: Use select() instead (to give a timeout)
253 while( (bytes = recv(Socket, buf, remspace, 0)) > 0 )
256 buf[bytes] = '\0'; // Allow us to use stdlib string functions on it
260 while( (eol = strchr(start, '\n')) )
264 Server_ParseClientCommand(&clientInfo, start);
269 // Check if there was an incomplete line
270 if( *start != '\0' ) {
271 int tailBytes = bytes - (start-buf);
272 // Roll back in buffer
273 memcpy(inbuf, start, tailBytes);
274 remspace -= tailBytes;
276 send(Socket, MSG_STR_TOO_LONG, sizeof(MSG_STR_TOO_LONG), 0);
278 remspace = INPUT_BUFFER_SIZE - 1;
283 remspace = INPUT_BUFFER_SIZE - 1;
289 fprintf(stderr, "ERROR: Unable to recieve from client on socket %i\n", Socket);
293 if(giDebugLevel >= 2) {
294 printf("Client %i: Disconnected\n", clientInfo.ID);
299 * \brief Parses a client command and calls the required helper function
300 * \param Client Pointer to client state structure
301 * \param CommandString Command from client (single line of the command)
302 * \return Heap String to return to the client
304 void Server_ParseClientCommand(tClient *Client, char *CommandString)
306 char *command, *args;
309 if( giDebugLevel >= 2 )
310 Debug(Client, "Server_ParseClientCommand: (CommandString = '%s')", CommandString);
312 if( Server_int_ParseArgs(1, CommandString, &command, &args, NULL) )
314 if( command == NULL ) return ;
315 // printf("command=%s, args=%s\n", command, args);
316 // Is this an error? (just ignore for now)
322 for( i = 0; i < NUM_COMMANDS; i++ )
324 if(strcmp(command, gaServer_Commands[i].Name) == 0) {
325 if( giDebugLevel >= 2 )
326 Debug(Client, "CMD %s - \"%s\"", command, args);
327 gaServer_Commands[i].Function(Client, args);
332 sendf(Client->Socket, "400 Unknown Command\n");
339 * \brief Set client username
341 * Usage: USER <username>
343 void Server_Cmd_USER(tClient *Client, char *Args)
347 if( Server_int_ParseArgs(0, Args, &username, NULL) )
349 sendf(Client->Socket, "407 USER takes 1 argument\n");
355 Debug(Client, "Authenticating as '%s'", username);
359 free(Client->Username);
360 Client->Username = strdup(username);
363 // Create a salt (that changes if the username is changed)
364 // Yes, I know, I'm a little paranoid, but who isn't?
365 Client->Salt[0] = 0x21 + (rand()&0x3F);
366 Client->Salt[1] = 0x21 + (rand()&0x3F);
367 Client->Salt[2] = 0x21 + (rand()&0x3F);
368 Client->Salt[3] = 0x21 + (rand()&0x3F);
369 Client->Salt[4] = 0x21 + (rand()&0x3F);
370 Client->Salt[5] = 0x21 + (rand()&0x3F);
371 Client->Salt[6] = 0x21 + (rand()&0x3F);
372 Client->Salt[7] = 0x21 + (rand()&0x3F);
374 // TODO: Also send hash type to use, (SHA1 or crypt according to [DAA])
375 sendf(Client->Socket, "100 SALT %s\n", Client->Salt);
377 sendf(Client->Socket, "100 User Set\n");
382 * \brief Authenticate as a user
386 void Server_Cmd_PASS(tClient *Client, char *Args)
391 if( Server_int_ParseArgs(0, Args, &passhash, NULL) )
393 sendf(Client->Socket, "407 PASS takes 1 argument\n");
397 // Pass on to cokebank
398 Client->UID = Bank_GetUserAuth(Client->Salt, Client->Username, passhash);
400 if( Client->UID == -1 ) {
401 sendf(Client->Socket, "401 Auth Failure\n");
405 flags = Bank_GetFlags(Client->UID);
406 if( flags & USER_FLAG_DISABLED ) {
408 sendf(Client->Socket, "403 Account Disabled\n");
411 if( flags & USER_FLAG_INTERNAL ) {
413 sendf(Client->Socket, "403 Internal account\n");
417 Client->bIsAuthed = 1;
418 sendf(Client->Socket, "200 Auth OK\n");
422 * \brief Authenticate as a user without a password
424 * Usage: AUTOAUTH <user>
426 void Server_Cmd_AUTOAUTH(tClient *Client, char *Args)
431 if( Server_int_ParseArgs(0, Args, &username, NULL) )
433 sendf(Client->Socket, "407 AUTOAUTH takes 1 argument\n");
438 if( !Client->bIsTrusted ) {
440 Debug(Client, "Untrusted client attempting to AUTOAUTH");
441 sendf(Client->Socket, "401 Untrusted\n");
446 Client->UID = Bank_GetAcctByName( username );
447 if( Client->UID < 0 ) {
449 Debug(Client, "Unknown user '%s'", username);
450 sendf(Client->Socket, "403 Auth Failure\n");
454 userflags = Bank_GetFlags(Client->UID);
455 // You can't be an internal account
456 if( userflags & USER_FLAG_INTERNAL ) {
458 Debug(Client, "Autoauth as '%s', not allowed", username);
460 sendf(Client->Socket, "403 Account is internal\n");
465 if( userflags & USER_FLAG_DISABLED ) {
467 sendf(Client->Socket, "403 Account disabled\n");
471 Client->bIsAuthed = 1;
474 Debug(Client, "Auto authenticated as '%s' (%i)", username, Client->UID);
476 sendf(Client->Socket, "200 Auth OK\n");
480 * \brief Set effective user
482 void Server_Cmd_SETEUSER(tClient *Client, char *Args)
485 int eUserFlags, userFlags;
487 if( Server_int_ParseArgs(0, Args, &username, NULL) )
489 sendf(Client->Socket, "407 SETEUSER takes 1 argument\n");
493 if( !strlen(Args) ) {
494 sendf(Client->Socket, "407 SETEUSER expects an argument\n");
498 // Check user permissions
499 userFlags = Bank_GetFlags(Client->UID);
500 if( !(userFlags & (USER_FLAG_COKE|USER_FLAG_ADMIN)) ) {
501 sendf(Client->Socket, "403 Not in coke\n");
506 Client->EffectiveUID = Bank_GetAcctByName(username);
507 if( Client->EffectiveUID == -1 ) {
508 sendf(Client->Socket, "404 User not found\n");
512 // You can't be an internal account
513 if( !(userFlags & USER_FLAG_ADMIN) )
515 eUserFlags = Bank_GetFlags(Client->EffectiveUID);
516 if( eUserFlags & USER_FLAG_INTERNAL ) {
517 Client->EffectiveUID = -1;
518 sendf(Client->Socket, "404 User not found\n");
521 // Disabled only avaliable to admins
522 if( eUserFlags & USER_FLAG_DISABLED ) {
523 Client->EffectiveUID = -1;
524 sendf(Client->Socket, "403 Account disabled\n");
529 sendf(Client->Socket, "200 User set\n");
533 * \brief Send an item status to the client
534 * \param Client Who to?
535 * \param Item Item to send
537 void Server_int_SendItem(tClient *Client, tItem *Item)
539 char *status = "avail";
541 if( Item->Handler->CanDispense )
543 switch(Item->Handler->CanDispense(Client->UID, Item->ID))
545 case 0: status = "avail"; break;
546 case 1: status = "sold"; break;
548 case -1: status = "error"; break;
552 sendf(Client->Socket,
553 "202 Item %s:%i %s %i %s\n",
554 Item->Handler->Name, Item->ID, status, Item->Price, Item->Name
559 * \brief Enumerate the items that the server knows about
561 void Server_Cmd_ENUMITEMS(tClient *Client, char *Args)
565 if( Args != NULL && strlen(Args) ) {
566 sendf(Client->Socket, "407 ENUM_ITEMS takes no arguments\n");
572 for( i = 0; i < giNumItems; i ++ ) {
573 if( gaItems[i].bHidden ) continue;
577 sendf(Client->Socket, "201 Items %i\n", count);
579 for( i = 0; i < giNumItems; i ++ ) {
580 if( gaItems[i].bHidden ) continue;
581 Server_int_SendItem( Client, &gaItems[i] );
584 sendf(Client->Socket, "200 List end\n");
587 tItem *_GetItemFromString(char *String)
591 char *colon = strchr(String, ':');
603 for( i = 0; i < giNumHandlers; i ++ )
605 if( strcmp(gaHandlers[i]->Name, type) == 0) {
606 handler = gaHandlers[i];
615 for( i = 0; i < giNumItems; i ++ )
617 if( gaItems[i].Handler != handler ) continue;
618 if( gaItems[i].ID != num ) continue;
625 * \brief Fetch information on a specific item
627 void Server_Cmd_ITEMINFO(tClient *Client, char *Args)
632 if( Server_int_ParseArgs(0, Args, &itemname, NULL) ) {
633 sendf(Client->Socket, "407 ITEMINFO takes 1 argument\n");
636 item = _GetItemFromString(Args);
639 sendf(Client->Socket, "406 Bad Item ID\n");
643 Server_int_SendItem( Client, item );
646 void Server_Cmd_DISPENSE(tClient *Client, char *Args)
653 if( Server_int_ParseArgs(0, Args, &itemname, NULL) ) {
654 sendf(Client->Socket, "407 DISPENSE takes only 1 argument\n");
658 if( !Client->bIsAuthed ) {
659 sendf(Client->Socket, "401 Not Authenticated\n");
663 item = _GetItemFromString(itemname);
665 sendf(Client->Socket, "406 Bad Item ID\n");
669 if( Client->EffectiveUID != -1 ) {
670 uid = Client->EffectiveUID;
676 switch( ret = DispenseItem( Client->UID, uid, item ) )
678 case 0: sendf(Client->Socket, "200 Dispense OK\n"); return ;
679 case 1: sendf(Client->Socket, "501 Unable to dispense\n"); return ;
680 case 2: sendf(Client->Socket, "402 Poor You\n"); return ;
682 sendf(Client->Socket, "500 Dispense Error\n");
687 void Server_Cmd_GIVE(tClient *Client, char *Args)
689 char *recipient, *ammount, *reason;
694 if( Server_int_ParseArgs(1, Args, &recipient, &ammount, &reason, NULL) ) {
695 sendf(Client->Socket, "407 GIVE takes only 3 arguments\n");
699 if( !Client->bIsAuthed ) {
700 sendf(Client->Socket, "401 Not Authenticated\n");
705 uid = Bank_GetAcctByName(recipient);
707 sendf(Client->Socket, "404 Invalid target user\n");
711 // You can't alter an internal account
712 // if( Bank_GetFlags(uid) & USER_FLAG_INTERNAL ) {
713 // sendf(Client->Socket, "404 Invalid target user\n");
718 iAmmount = atoi(ammount);
719 if( iAmmount <= 0 ) {
720 sendf(Client->Socket, "407 Invalid Argument, ammount must be > zero\n");
724 if( Client->EffectiveUID != -1 ) {
725 thisUid = Client->EffectiveUID;
728 thisUid = Client->UID;
732 switch( DispenseGive(Client->UID, thisUid, uid, iAmmount, reason) )
735 sendf(Client->Socket, "200 Give OK\n");
738 sendf(Client->Socket, "402 Poor You\n");
741 sendf(Client->Socket, "500 Unknown error\n");
746 void Server_Cmd_DONATE(tClient *Client, char *Args)
748 char *ammount, *reason;
753 if( Server_int_ParseArgs(1, Args, &ammount, &reason, NULL) ) {
754 sendf(Client->Socket, "407 DONATE takes 2 arguments\n");
758 if( !Client->bIsAuthed ) {
759 sendf(Client->Socket, "401 Not Authenticated\n");
764 iAmmount = atoi(ammount);
765 if( iAmmount <= 0 ) {
766 sendf(Client->Socket, "407 Invalid Argument, ammount must be > zero\n");
770 // Handle effective users
771 if( Client->EffectiveUID != -1 ) {
772 thisUid = Client->EffectiveUID;
775 thisUid = Client->UID;
779 switch( DispenseDonate(Client->UID, thisUid, iAmmount, reason) )
782 sendf(Client->Socket, "200 Give OK\n");
785 sendf(Client->Socket, "402 Poor You\n");
788 sendf(Client->Socket, "500 Unknown error\n");
793 void Server_Cmd_ADD(tClient *Client, char *Args)
795 char *user, *ammount, *reason;
799 if( Server_int_ParseArgs(1, Args, &user, &ammount, &reason, NULL) ) {
800 sendf(Client->Socket, "407 ADD takes 3 arguments\n");
804 if( !Client->bIsAuthed ) {
805 sendf(Client->Socket, "401 Not Authenticated\n");
809 // Check user permissions
810 if( !(Bank_GetFlags(Client->UID) & (USER_FLAG_COKE|USER_FLAG_ADMIN)) ) {
811 sendf(Client->Socket, "403 Not in coke\n");
816 uid = Bank_GetAcctByName(user);
818 sendf(Client->Socket, "404 Invalid user\n");
822 // You can't alter an internal account
823 if( !(Bank_GetFlags(Client->UID) & USER_FLAG_ADMIN) )
825 if( Bank_GetFlags(uid) & USER_FLAG_INTERNAL ) {
826 sendf(Client->Socket, "404 Invalid user\n");
829 // TODO: Maybe disallow changes to disabled?
833 iAmmount = atoi(ammount);
834 if( iAmmount == 0 && ammount[0] != '0' ) {
835 sendf(Client->Socket, "407 Invalid Argument\n");
840 switch( DispenseAdd(Client->UID, uid, iAmmount, reason) )
843 sendf(Client->Socket, "200 Add OK\n");
846 sendf(Client->Socket, "402 Poor Guy\n");
849 sendf(Client->Socket, "500 Unknown error\n");
854 void Server_Cmd_SET(tClient *Client, char *Args)
856 char *user, *ammount, *reason;
860 if( Server_int_ParseArgs(1, Args, &user, &ammount, &reason, NULL) ) {
861 sendf(Client->Socket, "407 SET takes 3 arguments\n");
865 if( !Client->bIsAuthed ) {
866 sendf(Client->Socket, "401 Not Authenticated\n");
870 // Check user permissions
871 if( !(Bank_GetFlags(Client->UID) & USER_FLAG_ADMIN) ) {
872 sendf(Client->Socket, "403 Not an admin\n");
877 uid = Bank_GetAcctByName(user);
879 sendf(Client->Socket, "404 Invalid user\n");
884 iAmmount = atoi(ammount);
885 if( iAmmount == 0 && ammount[0] != '0' ) {
886 sendf(Client->Socket, "407 Invalid Argument\n");
891 switch( DispenseSet(Client->UID, uid, iAmmount, reason) )
894 sendf(Client->Socket, "200 Add OK\n");
897 sendf(Client->Socket, "402 Poor Guy\n");
900 sendf(Client->Socket, "500 Unknown error\n");
905 void Server_Cmd_ENUMUSERS(tClient *Client, char *Args)
909 int maxBal = INT_MAX, minBal = INT_MIN;
910 int flagMask = 0, flagVal = 0;
911 int sort = BANK_ITFLAG_SORT_NAME;
912 time_t lastSeenAfter=0, lastSeenBefore=0;
914 int flags; // Iterator flags
915 int balValue; // Balance value for iterator
916 time_t timeValue; // Time value for iterator
919 if( Args && strlen(Args) )
921 char *space = Args, *type, *val;
925 while(*type == ' ') type ++;
927 space = strchr(space, ' ');
928 if(space) *space = '\0';
931 val = strchr(type, ':');
938 if( strcmp(type, "min_balance") == 0 ) {
942 else if( strcmp(type, "max_balance") == 0 ) {
946 else if( strcmp(type, "flags") == 0 ) {
947 if( Server_int_ParseFlags(Client, val, &flagMask, &flagVal) )
950 // - Last seen before timestamp
951 else if( strcmp(type, "last_seen_before") == 0 ) {
952 lastSeenAfter = atoll(val);
954 // - Last seen after timestamp
955 else if( strcmp(type, "last_seen_after") == 0 ) {
956 lastSeenAfter = atoll(val);
959 else if( strcmp(type, "sort") == 0 ) {
960 char *dash = strchr(val, '-');
965 if( strcmp(val, "name") == 0 ) {
966 sort = BANK_ITFLAG_SORT_NAME;
968 else if( strcmp(val, "balance") == 0 ) {
969 sort = BANK_ITFLAG_SORT_BAL;
971 else if( strcmp(val, "lastseen") == 0 ) {
972 sort = BANK_ITFLAG_SORT_LASTSEEN;
975 sendf(Client->Socket, "407 Unknown sort field ('%s')\n", val);
978 // Handle sort direction
980 if( strcmp(dash, "desc") == 0 ) {
981 sort |= BANK_ITFLAG_REVSORT;
984 sendf(Client->Socket, "407 Unknown sort direction '%s'\n", dash);
991 sendf(Client->Socket, "407 Unknown argument to ENUM_USERS '%s:%s'\n", type, val);
998 sendf(Client->Socket, "407 Unknown argument to ENUM_USERS '%s'\n", type);
1004 *space = ' '; // Repair (to be nice)
1006 while(*space == ' ') space ++;
1012 if( maxBal != INT_MAX ) {
1013 flags = sort|BANK_ITFLAG_MAXBALANCE;
1016 else if( minBal != INT_MIN ) {
1017 flags = sort|BANK_ITFLAG_MINBALANCE;
1024 if( lastSeenBefore ) {
1025 timeValue = lastSeenBefore;
1026 flags |= BANK_ITFLAG_SEENBEFORE;
1028 else if( lastSeenAfter ) {
1029 timeValue = lastSeenAfter;
1030 flags |= BANK_ITFLAG_SEENAFTER;
1035 it = Bank_Iterator(flagMask, flagVal, flags, balValue, timeValue);
1037 // Get return number
1038 while( (i = Bank_IteratorNext(it)) != -1 )
1040 int bal = Bank_GetBalance(i);
1042 if( bal == INT_MIN ) continue;
1044 if( bal < minBal ) continue;
1045 if( bal > maxBal ) continue;
1050 Bank_DelIterator(it);
1053 sendf(Client->Socket, "201 Users %i\n", numRet);
1057 it = Bank_Iterator(flagMask, flagVal, flags, balValue, timeValue);
1059 while( (i = Bank_IteratorNext(it)) != -1 )
1061 int bal = Bank_GetBalance(i);
1063 if( bal == INT_MIN ) continue;
1065 if( bal < minBal ) continue;
1066 if( bal > maxBal ) continue;
1068 _SendUserInfo(Client, i);
1071 Bank_DelIterator(it);
1073 sendf(Client->Socket, "200 List End\n");
1076 void Server_Cmd_USERINFO(tClient *Client, char *Args)
1082 if( Server_int_ParseArgs(0, Args, &user, NULL) ) {
1083 sendf(Client->Socket, "407 USER_INFO takes 1 argument\n");
1087 if( giDebugLevel ) Debug(Client, "User Info '%s'", user);
1090 uid = Bank_GetAcctByName(user);
1092 if( giDebugLevel >= 2 ) Debug(Client, "uid = %i", uid);
1094 sendf(Client->Socket, "404 Invalid user\n");
1098 _SendUserInfo(Client, uid);
1101 void _SendUserInfo(tClient *Client, int UserID)
1103 char *type, *disabled="", *door="";
1104 int flags = Bank_GetFlags(UserID);
1106 if( flags & USER_FLAG_INTERNAL ) {
1109 else if( flags & USER_FLAG_COKE ) {
1110 if( flags & USER_FLAG_ADMIN )
1111 type = "coke,admin";
1115 else if( flags & USER_FLAG_ADMIN ) {
1122 if( flags & USER_FLAG_DISABLED )
1123 disabled = ",disabled";
1124 if( flags & USER_FLAG_DOORGROUP )
1127 // TODO: User flags/type
1129 Client->Socket, "202 User %s %i %s%s%s\n",
1130 Bank_GetAcctName(UserID), Bank_GetBalance(UserID),
1131 type, disabled, door
1135 void Server_Cmd_USERADD(tClient *Client, char *Args)
1140 if( Server_int_ParseArgs(0, Args, &username, NULL) ) {
1141 sendf(Client->Socket, "407 USER_ADD takes 1 argument\n");
1145 // Check permissions
1146 if( !(Bank_GetFlags(Client->UID) & USER_FLAG_ADMIN) ) {
1147 sendf(Client->Socket, "403 Not a coke admin\n");
1151 // Try to create user
1152 if( Bank_CreateAcct(username) == -1 ) {
1153 sendf(Client->Socket, "404 User exists\n");
1158 char *thisName = Bank_GetAcctName(Client->UID);
1159 Log_Info("Account '%s' created by '%s'", username, thisName);
1163 sendf(Client->Socket, "200 User Added\n");
1166 void Server_Cmd_USERFLAGS(tClient *Client, char *Args)
1168 char *username, *flags;
1169 int mask=0, value=0;
1173 if( Server_int_ParseArgs(0, Args, &username, &flags, NULL) ) {
1174 sendf(Client->Socket, "407 USER_FLAGS takes 2 arguments\n");
1178 // Check permissions
1179 if( !(Bank_GetFlags(Client->UID) & USER_FLAG_ADMIN) ) {
1180 sendf(Client->Socket, "403 Not a coke admin\n");
1185 uid = Bank_GetAcctByName(username);
1187 sendf(Client->Socket, "404 User '%s' not found\n", username);
1192 if( Server_int_ParseFlags(Client, flags, &mask, &value) )
1196 Debug(Client, "Set %i(%s) flags to %x (masked %x)\n",
1197 uid, username, mask, value);
1200 Bank_SetFlags(uid, mask, value);
1203 sendf(Client->Socket, "200 User Updated\n");
1206 // --- INTERNAL HELPERS ---
1207 void Debug(tClient *Client, const char *Format, ...)
1210 //printf("%010i [%i] ", (int)time(NULL), Client->ID);
1211 printf("[%i] ", Client->ID);
1212 va_start(args, Format);
1213 vprintf(Format, args);
1218 int sendf(int Socket, const char *Format, ...)
1223 va_start(args, Format);
1224 len = vsnprintf(NULL, 0, Format, args);
1229 va_start(args, Format);
1230 vsnprintf(buf, len+1, Format, args);
1233 #if DEBUG_TRACE_CLIENT
1234 printf("sendf: %s", buf);
1237 return send(Socket, buf, len, 0);
1241 // Takes a series of char *'s in
1243 * \brief Parse space-separated entries into
1245 int Server_int_ParseArgs(int bUseLongLast, char *ArgStr, ...)
1250 va_start(args, ArgStr);
1255 while( (dest = va_arg(args, char **)) )
1261 savedChar = *ArgStr;
1263 while( (dest = va_arg(args, char **)) )
1265 // Trim leading spaces
1266 while( *ArgStr == ' ' || *ArgStr == '\t' )
1269 // ... oops, not enough arguments
1270 if( *ArgStr == '\0' )
1272 // NULL unset arguments
1275 } while( (dest = va_arg(args, char **)) );
1280 if( *ArgStr == '"' )
1285 while( *ArgStr && *ArgStr != '"' )
1292 // Read until a space
1293 while( *ArgStr && *ArgStr != ' ' && *ArgStr != '\t' )
1296 savedChar = *ArgStr; // savedChar is used to un-mangle the last string
1302 // Oops, extra arguments, and greedy not set
1303 if( (savedChar == ' ' || savedChar == '\t') && !bUseLongLast ) {
1310 *ArgStr = savedChar;
1313 return 0; // Success!
1316 int Server_int_ParseFlags(tClient *Client, const char *Str, int *Mask, int *Value)
1323 {"disabled", USER_FLAG_DISABLED, USER_FLAG_DISABLED}
1324 ,{"door", USER_FLAG_DOORGROUP, USER_FLAG_DOORGROUP}
1325 ,{"coke", USER_FLAG_COKE, USER_FLAG_COKE}
1326 ,{"admin", USER_FLAG_ADMIN, USER_FLAG_ADMIN}
1327 ,{"internal", USER_FLAG_INTERNAL, USER_FLAG_INTERNAL}
1329 const int ciNumFlags = sizeof(cFLAGS)/sizeof(cFLAGS[0]);
1341 while( *Str == ' ' ) Str ++; // Eat whitespace
1342 space = strchr(Str, ','); // Find the end of the flag
1348 // Check for inversion/removal
1349 if( *Str == '!' || *Str == '-' ) {
1353 else if( *Str == '+' ) {
1357 // Check flag values
1358 for( i = 0; i < ciNumFlags; i ++ )
1360 if( strncmp(Str, cFLAGS[i].Name, len) == 0 ) {
1361 *Mask |= cFLAGS[i].Mask;
1362 *Value &= ~cFLAGS[i].Mask;
1364 *Value |= cFLAGS[i].Value;
1370 if( i == ciNumFlags ) {
1372 strncpy(val, Str, len+1);
1373 sendf(Client->Socket, "407 Unknown flag value '%s'\n", val);