- // Ask server for stock list
- send(Socket, "ENUM_ITEMS\n", 11, 0);
- buf = ReadLine(Socket);
-
- //printf("Output: %s\n", buf);
-
- responseCode = atoi(buf);
- if( responseCode != 201 ) {
- fprintf(stderr, "Unknown response from dispense server (Response Code %i)\n", responseCode);
- exit(RV_UNKNOWN_ERROR);
- }
-
- // - Get item list -
-
- // Expected format:
- // 201 Items <count>
- // 202 Item <count>
- RunRegex(&gArrayRegex, buf, 4, matches, "Malformed server response");
-
- arrayType = &buf[ matches[2].rm_so ]; buf[ matches[2].rm_eo ] = '\0';
- count = atoi( &buf[ matches[3].rm_so ] );
-
- // Check array type
- if( strcmp(arrayType, "Items") != 0 ) {
- // What the?!
- fprintf(stderr, "Unexpected array type, expected 'Items', got '%s'\n",
- arrayType);
- exit(RV_UNKNOWN_ERROR);
- }
- free(buf);
-
- giNumItems = count;
- gaItems = malloc( giNumItems * sizeof(tItem) );
-
- // Fetch item information
- for( i = 0; i < giNumItems; i ++ )
- {
- ReadItemInfo( Socket, &gaItems[i] );
- }
-
- // Read end of list
- buf = ReadLine(Socket);
- responseCode = atoi(buf);
-
- if( responseCode != 200 ) {
- fprintf(stderr, "Unknown response from dispense server %i\n'%s'",
- responseCode, buf
- );
- exit(-1);
- }
-
- free(buf);
-}
-
-
-/**
- * \brief Get information on an item
- * \return Boolean Failure
- */
-int Dispense_ItemInfo(int Socket, const char *Type, int ID)
-{
- tItem item;
- int ret;
-
- // Query
- sendf(Socket, "ITEM_INFO %s:%i\n", Type, ID);
-
- ret = ReadItemInfo(Socket, &item);
- if(ret) return ret;
-
- printf("%8s:%-2i %2i.%02i %s\n",
- item.Type, item.ID,
- item.Price/100, item.Price%100,
- item.Desc);
-
- free(item.Type);
- free(item.Desc);
-
- return 0;
-}
-
-/**
- * \brief Dispense an item
- * \return Boolean Failure
- */
-int DispenseItem(int Socket, const char *Type, int ID)
-{
- int ret, responseCode;
- char *buf;
-
- // Check for a dry run
- if( gbDryRun ) {
- printf("Dry Run - No action\n");
- return 0;
- }
-
- // Dispense!
- sendf(Socket, "DISPENSE %s:%i\n", Type, ID);
- buf = ReadLine(Socket);
-
- responseCode = atoi(buf);
- switch( responseCode )
- {
- case 200:
- printf("Dispense OK\n");
- ret = 0;
- break;
- case 401:
- printf("Not authenticated\n");
- ret = RV_PERMISSIONS;
- break;
- case 402:
- printf("Insufficient balance\n");
- ret = RV_BALANCE;
- break;
- case 406:
- printf("Bad item name\n");
- ret = RV_BAD_ITEM;
- break;
- case 500:
- printf("Item failed to dispense, is the slot empty?\n");
- ret = RV_SERVER_ERROR;
- break;
- case 501:
- printf("Dispense not possible (slot empty/permissions)\n");
- ret = RV_SERVER_ERROR;
- break;
- default:
- printf("Unknown response code %i ('%s')\n", responseCode, buf);
- ret = RV_UNKNOWN_ERROR;
- break;
- }
-
- free(buf);
- return ret;
-}
-
-/**
- * \brief Alter a user's balance
- */
-int Dispense_AlterBalance(int Socket, const char *Username, int Ammount, const char *Reason)
-{
- char *buf;
- int responseCode, rv = -1;
-
- // Check for a dry run
- if( gbDryRun ) {
- printf("Dry Run - No action\n");
- return 0;
- }
-
- // Sanity
- if( Ammount == 0 ) {
- printf("An ammount would be nice\n");
- return RV_ARGUMENTS;
- }
-
- sendf(Socket, "ADD %s %i %s\n", Username, Ammount, Reason);
- buf = ReadLine(Socket);
-
- responseCode = atoi(buf);
-
- switch(responseCode)
- {
- case 200:
- rv = 0; // OK
- break;
- case 402:
- fprintf(stderr, "Insufficient balance\n");
- rv = RV_BAD_ITEM;
- break;
- case 403: // Not in coke
- fprintf(stderr, "You are not in coke (sucker)\n");
- rv = RV_PERMISSIONS;
- break;
- case 404: // Unknown user
- fprintf(stderr, "Unknown user '%s'\n", Username);
- rv = RV_INVALID_USER;
- break;
- default:
- fprintf(stderr, "Unknown response code %i\n'%s'\n", responseCode, buf);
- rv = RV_UNKNOWN_RESPONSE;
- break;
- }
- free(buf);
-
- return rv;
-}
-
-/**
- * \brief Set a user's balance
- * \note Only avaliable to dispense admins
- */
-int Dispense_SetBalance(int Socket, const char *Username, int Balance, const char *Reason)
-{
- char *buf;
- int responseCode;
-
- // Check for a dry run
- if( gbDryRun ) {
- printf("Dry Run - No action\n");
- return 0;
- }
-
- sendf(Socket, "SET %s %i %s\n", Username, Balance, Reason);
- buf = ReadLine(Socket);
-
- responseCode = atoi(buf);
- free(buf);
-
- switch(responseCode)
- {
- case 200: return 0; // OK
- case 403: // Not in coke
- fprintf(stderr, "You are not an admin\n");
- return RV_PERMISSIONS;
- case 404: // Unknown user
- fprintf(stderr, "Unknown user '%s'\n", Username);
- return RV_INVALID_USER;
- default:
- fprintf(stderr, "Unknown response code %i\n", responseCode);
- return RV_UNKNOWN_RESPONSE;
- }
-
- return -1;
-}
-
-/**
- * \brief Give money to another user
- */
-int Dispense_Give(int Socket, const char *Username, int Ammount, const char *Reason)
-{
- char *buf;
- int responseCode;
-
- if( Ammount < 0 ) {
- printf("Sorry, you can only give, you can't take.\n");
- return RV_ARGUMENTS;
- }
-
- // Fast return on zero
- if( Ammount == 0 ) {
- printf("Are you actually going to give any?\n");
- return RV_ARGUMENTS;
- }
-
- // Check for a dry run
- if( gbDryRun ) {
- printf("Dry Run - No action\n");
- return 0;
- }
-
- sendf(Socket, "GIVE %s %i %s\n", Username, Ammount, Reason);
-
- buf = ReadLine(Socket);
- responseCode = atoi(buf);
- free(buf);
- switch(responseCode)
- {
- case 200:
- printf("Give succeeded\n");
- return RV_SUCCESS; // OK
-
- case 402:
- fprintf(stderr, "Insufficient balance\n");
- return RV_BALANCE;
-
- case 404: // Unknown user
- fprintf(stderr, "Unknown user '%s'\n", Username);
- return RV_INVALID_USER;
-
- default:
- fprintf(stderr, "Unknown response code %i\n", responseCode);
- return RV_UNKNOWN_RESPONSE;
- }
-
- return -1;
-}
-
-int Dispense_Refund(int Socket, const char *Username, const char *Item, int PriceOverride)
-{
- char *buf;
- int responseCode, ret = -1;
-
- // Check item id
- if( RunRegex(&gUserItemIdentRegex, Item, 0, NULL, NULL) != 0 )
- {
- fprintf(stderr, "Error: Invalid item ID passed (should be <type>:<num>)\n");
- return RV_ARGUMENTS;
- }
-
- // Check username (quick)
- if( strchr(Username, ' ') || strchr(Username, '\n') )
- {
- fprintf(stderr, "Error: Username is invalid (no spaces or newlines please)\n");
- return RV_ARGUMENTS;
- }
-
- // Send the query
- sendf(Socket, "REFUND %s %s %i\n", Username, Item, PriceOverride);
-
- buf = ReadLine(Socket);
- responseCode = atoi(buf);
- switch(responseCode)
- {
- case 200:
- Dispense_ShowUser(Socket, Username); // Show destination account
- ret = 0;
- break;
- case 403:
- fprintf(stderr, "Refund access is only avaliable to coke members\n");
- ret = RV_PERMISSIONS;
- break;
- case 404:
- fprintf(stderr, "Unknown user '%s' passed\n", Username);
- ret = RV_INVALID_USER;
- break;
- case 406:
- fprintf(stderr, "Invalid item '%s' passed\n", Item);
- ret = RV_BAD_ITEM;
- break;
- default:
- fprintf(stderr, "Unknown response from server %i\n%s\n", responseCode, buf);
- ret = -1;
- break;
- }
- free(buf);
- return ret;
-}
-
-/**
- * \brief Donate money to the club
- */
-int Dispense_Donate(int Socket, int Ammount, const char *Reason)
-{
- char *buf;
- int responseCode;
-
- if( Ammount < 0 ) {
- printf("Sorry, you can only give, you can't take.\n");
- return -1;
- }
-
- // Fast return on zero
- if( Ammount == 0 ) {
- printf("Are you actually going to give any?\n");
- return 1;
- }
-
- // Check for a dry run
- if( gbDryRun ) {
- printf("Dry Run - No action\n");
- return 0;
- }
-
- sendf(Socket, "DONATE %i %s\n", Ammount, Reason);
- buf = ReadLine(Socket);
-
- responseCode = atoi(buf);
- free(buf);
-
- switch(responseCode)
- {
- case 200: return 0; // OK
-
- case 402:
- fprintf(stderr, "Insufficient balance\n");
- return 1;
-
- default:
- fprintf(stderr, "Unknown response code %i\n", responseCode);
- return -1;
- }
-
- return -1;
-}
-
-/**
- * \brief Enumerate users
- */
-int Dispense_EnumUsers(int Socket)
-{
- char *buf;
- int responseCode;
- int nUsers;
- regmatch_t matches[4];
-
- if( giMinimumBalance != INT_MIN ) {
- if( giMaximumBalance != INT_MAX ) {
- sendf(Socket, "ENUM_USERS min_balance:%i max_balance:%i\n", giMinimumBalance, giMaximumBalance);
- }
- else {
- sendf(Socket, "ENUM_USERS min_balance:%i\n", giMinimumBalance);
- }
- }
- else {
- if( giMaximumBalance != INT_MAX ) {
- sendf(Socket, "ENUM_USERS max_balance:%i\n", giMaximumBalance);
- }
- else {
- sendf(Socket, "ENUM_USERS\n");
- }
- }
- buf = ReadLine(Socket);
- responseCode = atoi(buf);
-
- switch(responseCode)
- {
- case 201: break; // Ok, length follows
-
- default:
- fprintf(stderr, "Unknown response code %i\n%s\n", responseCode, buf);
- free(buf);
- return -1;
- }
-
- // Get count (not actually used)
- RunRegex(&gArrayRegex, buf, 4, matches, "Malformed server response");
- nUsers = atoi( buf + matches[3].rm_so );
- printf("%i users returned\n", nUsers);
-
- // Free string
- free(buf);
-
- // Read returned users
- do {
- buf = ReadLine(Socket);
- responseCode = atoi(buf);
-
- if( responseCode != 202 ) break;
-
- _PrintUserLine(buf);
- free(buf);
- } while(responseCode == 202);
-
- // Check final response
- if( responseCode != 200 ) {
- fprintf(stderr, "Unknown response code %i\n%s\n", responseCode, buf);
- free(buf);
- return -1;
- }
-
- free(buf);
-
- return 0;
-}
-
-int Dispense_ShowUser(int Socket, const char *Username)
-{
- char *buf;
- int responseCode, ret;
-
- sendf(Socket, "USER_INFO %s\n", Username);
- buf = ReadLine(Socket);
-
- responseCode = atoi(buf);
-
- switch(responseCode)
- {
- case 202:
- _PrintUserLine(buf);
- ret = 0;
- break;
-
- case 404:
- printf("Unknown user '%s'\n", Username);
- ret = 1;
- break;
-
- default:
- fprintf(stderr, "Unknown response code %i '%s'\n", responseCode, buf);
- ret = -1;
- break;
- }
-
- free(buf);
-
- return ret;
-}
-
-void _PrintUserLine(const char *Line)
-{
- regmatch_t matches[6];
- int bal;
-
- RunRegex(&gUserInfoRegex, Line, 6, matches, "Malformed server response");
- // 3: Username
- // 4: Balance
- // 5: Flags
- {
- int usernameLen = matches[3].rm_eo - matches[3].rm_so;
- char username[usernameLen + 1];
- int flagsLen = matches[5].rm_eo - matches[5].rm_so;
- char flags[flagsLen + 1];
-
- memcpy(username, Line + matches[3].rm_so, usernameLen);
- username[usernameLen] = '\0';
- memcpy(flags, Line + matches[5].rm_so, flagsLen);
- flags[flagsLen] = '\0';
-
- bal = atoi(Line + matches[4].rm_so);
- printf("%-15s: $%8.02f (%s)\n", username, ((float)bal)/100, flags);
- }
-}
-
-int Dispense_AddUser(int Socket, const char *Username)
-{
- char *buf;
- int responseCode, ret;
-
- // Check for a dry run
- if( gbDryRun ) {
- printf("Dry Run - No action\n");
- return 0;
- }
-
- sendf(Socket, "USER_ADD %s\n", Username);
-
- buf = ReadLine(Socket);
- responseCode = atoi(buf);
-
- switch(responseCode)
- {
- case 200:
- printf("User '%s' added\n", Username);
- ret = 0;
- break;
-
- case 403:
- printf("Only wheel can add users\n");
- ret = 1;
- break;
-
- case 404:
- printf("User '%s' already exists\n", Username);
- ret = 0;
- break;
-
- default:
- fprintf(stderr, "Unknown response code %i '%s'\n", responseCode, buf);
- ret = -1;
- break;
- }
-
- free(buf);
-
- return ret;
-}
-
-int Dispense_SetUserType(int Socket, const char *Username, const char *TypeString, const char *Reason)
-{
- char *buf;
- int responseCode, ret;
-
- // Check for a dry run
- if( gbDryRun ) {
- printf("Dry Run - No action\n");
- return 0;
- }
-
- // TODO: Pre-validate the string
-
- sendf(Socket, "USER_FLAGS %s %s %s\n", Username, TypeString, Reason);
-
- buf = ReadLine(Socket);
- responseCode = atoi(buf);
-
- switch(responseCode)
- {
- case 200:
- printf("User '%s' updated\n", Username);
- ret = 0;
- break;
-
- case 403:
- printf("Only dispense admins can modify users\n");
- ret = RV_PERMISSIONS;
- break;
-
- case 404:
- printf("User '%s' does not exist\n", Username);
- ret = RV_INVALID_USER;
- break;
-
- case 407:
- printf("Flag string is invalid\n");
- ret = RV_ARGUMENTS;
- break;
-
- default:
- fprintf(stderr, "Unknown response code %i '%s'\n", responseCode, buf);
- ret = RV_UNKNOWN_RESPONSE;
- break;
- }
-
- free(buf);
-
- return ret;
-}
-
-int Dispense_SetItem(int Socket, const char *Type, int ID, int NewPrice, const char *NewName)
-{
- char *buf;
- int responseCode, ret;
-
- // Check for a dry run
- if( gbDryRun ) {
- printf("Dry Run - No action\n");
- return 0;
- }
-
- sendf(Socket, "UPDATE_ITEM %s:%i %i %s\n", Type, ID, NewPrice, NewName);
-
- buf = ReadLine(Socket);
- responseCode = atoi(buf);
-
- switch(responseCode)
- {
- case 200:
- printf("Item %s:%i updated\n", Type, ID);
- ret = 0;
- break;
-
- case 403:
- printf("Only coke members can modify the slots\n");
- ret = RV_PERMISSIONS;
- break;
-
- case 406:
- printf("Invalid item passed\n");
- ret = RV_BAD_ITEM;
- break;
-
- default:
- fprintf(stderr, "Unknown response code %i '%s'\n", responseCode, buf);
- ret = -1;
- break;
- }
-
- free(buf);
-
- return ret;
-}
-
-// ---------------
-// --- Helpers ---
-// ---------------
-char *ReadLine(int Socket)
-{
- static char buf[BUFSIZ];
- static int bufPos = 0;
- static int bufValid = 0;
- int len;
- char *newline = NULL;
- int retLen = 0;
- char *ret = malloc(10);
-
- #if DEBUG_TRACE_SERVER
- printf("ReadLine: ");
- fflush(stdout);
- #endif
-
- ret[0] = '\0';
-
- while( !newline )
- {
- if( bufValid ) {
- len = bufValid;
- }
- else {
- len = recv(Socket, buf+bufPos, BUFSIZ-1-bufPos, 0);
- if( len < 0 ) {
- free(ret);
- return strdup("599 Client Connection Error\n");
- }
- }
- buf[bufPos+len] = '\0';
-
- newline = strchr( buf+bufPos, '\n' );
- if( newline ) {
- *newline = '\0';
- }
-
- retLen += strlen(buf+bufPos);
- ret = realloc(ret, retLen + 1);
- strcat( ret, buf+bufPos );
-
- if( newline ) {
- int newLen = newline - (buf+bufPos) + 1;
- bufValid = len - newLen;
- bufPos += newLen;
- }
- if( len + bufPos == BUFSIZ - 1 ) bufPos = 0;
- }
-
- #if DEBUG_TRACE_SERVER
- printf("%i '%s'\n", retLen, ret);
- #endif
-
- return ret;
-}
-
-int sendf(int Socket, const char *Format, ...)
-{
- va_list args;
- int len;
-
- va_start(args, Format);
- len = vsnprintf(NULL, 0, Format, args);
- va_end(args);
-
- {
- char buf[len+1];
- va_start(args, Format);
- vsnprintf(buf, len+1, Format, args);
- va_end(args);
-
- #if DEBUG_TRACE_SERVER
- printf("sendf: %s", buf);
- #endif
-
- return send(Socket, buf, len, 0);
- }
-}
-
-char *trim(char *string)
-{
- int i;
-
- while( isspace(*string) )
- string ++;
-
- for( i = strlen(string); i--; )
- {
- if( isspace(string[i]) )
- string[i] = '\0';
- else
- break;
- }