#include <stdio.h>
#include <string.h>
#include <ctype.h> // isspace
-#include <stdarg.h>
-#include <regex.h>
-#include <ncurses.h>
-#include <limits.h>
-
-#include <unistd.h> // close
-#include <netdb.h> // gethostbyname
#include <pwd.h> // getpwuids
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <openssl/sha.h> // SHA1
+#include <unistd.h> // close/getuid
+#include <limits.h> // INT_MIN/INT_MAX
+#include "common.h"
#define USE_NCURSES_INTERFACE 0
#define DEBUG_TRACE_SERVER 0
#define USE_AUTOAUTH 1
#define MAX_TXT_ARGS 5 // Maximum number of textual arguments (including command)
-
-enum eUI_Modes
-{
- UI_MODE_BASIC, // Non-NCurses
- UI_MODE_STANDARD,
- UI_MODE_DRINKSONLY,
- UI_MODE_ALL,
- NUM_UI_MODES
-};
+#define DISPENSE_MULTIPLE_MAX 20 // Maximum argument to -c
// === TYPES ===
-typedef struct sItem {
- char *Type;
- int ID;
- int Status; // 0: Availiable, 1: Sold out, -1: Error
- char *Desc;
- int Price;
-} tItem;
// === PROTOTYPES ===
- int main(int argc, char *argv[]);
void ShowUsage(void);
-// --- GUI ---
- int ShowNCursesUI(void);
- int ShowItemAt(int Row, int Col, int Width, int Index, int bHilighted);
-void PrintAlign(int Row, int Col, int Width, const char *Left, char Pad1, const char *Mid, char Pad2, const char *Right, ...);
+ int main(int argc, char *argv[]);
+ int ParseArguments(int argc, char *argv[]);
// --- Coke Server Communication ---
- int OpenConnection(const char *Host, int Port);
- int Authenticate(int Socket);
- int GetUserBalance(int Socket);
-void PopulateItemList(int Socket);
- int Dispense_ItemInfo(int Socket, const char *Type, int ID);
- int DispenseItem(int Socket, const char *Type, int ID);
- int Dispense_AlterBalance(int Socket, const char *Username, int Ammount, const char *Reason);
- int Dispense_SetBalance(int Socket, const char *Username, int Balance, const char *Reason);
- int Dispense_Give(int Socket, const char *Username, int Ammount, const char *Reason);
- int Dispense_Donate(int Socket, int Ammount, const char *Reason);
- int Dispense_EnumUsers(int Socket);
- int Dispense_ShowUser(int Socket, const char *Username);
-void _PrintUserLine(const char *Line);
- int Dispense_AddUser(int Socket, const char *Username);
- int Dispense_SetUserType(int Socket, const char *Username, const char *TypeString);
// --- Helpers ---
-char *ReadLine(int Socket);
- int sendf(int Socket, const char *Format, ...);
char *trim(char *string);
int RunRegex(regex_t *regex, const char *string, int nMatches, regmatch_t *matches, const char *errorMessage);
void CompileRegex(regex_t *regex, const char *pattern, int flags);
// === GLOBALS ===
-char *gsDispenseServer = "heathred";
+char *gsDispenseServer = "merlo.ucc.gu.uwa.edu.au";
int giDispensePort = 11020;
tItem *gaItems;
char *gsItemPattern; //!< Item pattern
char *gsEffectiveUser; //!< '-u' Dispense as another user
- int giUIMode = UI_MODE_STANDARD;
+
+enum eUI_Modes giUIMode = UI_MODE_STANDARD;
int gbDryRun = 0; //!< '-n' Read-only
+ int gbDisallowSelectWithoutBalance = 1; //!< Don't allow items to be hilighted if not affordable
+
int giMinimumBalance = INT_MIN; //!< '-m' Minumum balance for `dispense acct`
int giMaximumBalance = INT_MAX; //!< '-M' Maximum balance for `dispense acct`
-char *gsUserName; //!< User that dispense will happen as
+
+ char *gsUserName; //!< User that dispense will happen as
char *gsUserFlags; //!< User's flag set
- int giUserBalance=-1; //!< User balance (set by Authenticate)
+ int giUserBalance = -1; //!< User balance (set by Authenticate)
+ int giDispenseCount = 1; //!< Number of dispenses to do
+
+char *gsTextArgs[MAX_TXT_ARGS];
+ int giTextArgc;
// === CODE ===
-int main(int argc, char *argv[])
+void ShowUsage(void)
{
- int sock;
- int i, ret = 0;
- char buffer[BUFSIZ];
- char *text_args[MAX_TXT_ARGS]; // Non-flag arguments
- int text_argc = 0;
+ printf( "Usage:\n" );
+ if( giTextArgc == 0 )
+ printf(
+ " == Everyone ==\n"
+ " dispense\n"
+ " Show interactive list\n"
+ " dispense <name>|<index>|<itemid>\n"
+ " Dispense named item (<name> matches if it is a unique prefix)\n"
+ " dispense finger\n"
+ " Show the finger output\n"
+ );
+ if( giTextArgc == 0 || strcmp(gsTextArgs[0], "give") == 0 )
+ printf(
+ " dispense give <user> <amount> \"<reason>\"\n"
+ " Give money to another user\n"
+ );
- text_args[0] = "";
+ if( giTextArgc == 0 || strcmp(gsTextArgs[0], "donate") == 0 )
+ printf(
+ " dispense donate <amount> \"<reason>\"\n"
+ " Donate to the club\n"
+ );
+ if( giTextArgc == 0 || strcmp(gsTextArgs[0], "iteminfo") == 0 )
+ printf(
+ " dispense iteminfo <itemid>\n"
+ " Get the name and price for an item\n"
+ );
+// if( giTextArgc == 0 || strcmp(gsTextArgs[0], "enumitems") == 0 )
+// printf(
+// " dispense enumitems\n"
+// " List avaliable items\n"
+// );
+ if( giTextArgc == 0 )
+ printf(" == Coke members == \n");
+ if( giTextArgc == 0 || strcmp(gsTextArgs[0], "acct") == 0 )
+ printf(
+ " dispense acct [<user>]\n"
+ " Show user balances\n"
+ " dispense acct <user> [+-]<amount> \"<reason>\"\n"
+ " Alter a account value\n"
+ " dispense acct <user> =<amount> \"<reason>\"\n"
+ " Set an account balance\n"
+ );
+ if( giTextArgc == 0 || strcmp(gsTextArgs[0], "refund") == 0 )
+ printf(
+ " dispense refund <user> <itemid> [<price>]\n"
+ " Refund an item to a user (with optional price override)\n"
+ " Item IDs can be seen in the cokelog (in the brackets after the item name)\n"
+ " e.g. coke:6 for a coke, snack:33 for slot 33 of the snack machine\n"
+ );
+ if( giTextArgc == 0 || strcmp(gsTextArgs[0], "slot") == 0 )
+ printf(
+ " dispense slot <itemid> <price> <name>\n"
+ " Rename/Re-price a slot\n"
+ );
+ if( giTextArgc == 0 )
+ printf(" == Dispense administrators ==\n");
+ if( giTextArgc == 0 || strcmp(gsTextArgs[0], "user") == 0 )
+ printf(
+ " dispense user add <user>\n"
+ " Create new account\n"
+ " dispense user type <user> <flags> <reason>\n"
+ " Alter a user's flags\n"
+ " <flags> is a comma-separated list of user, coke, admin, internal or disabled\n"
+ " Flags are removed by preceding the name with '-' or '!'\n"
+ );
+ if( giTextArgc == 0 )
+ printf( "\n"
+ "General Options:\n"
+ " -c <count>\n"
+ " Dispense multiple times\n"
+ " -u <username>\n"
+ " Set a different user (Coke members only)\n"
+ " -h / -?\n"
+ " Show help text\n"
+ " -G\n"
+ " Use simple textual interface (instead of ncurses)\n"
+ " -n\n"
+ " Dry run - Do not actually do dispenses\n"
+ " -m <min balance>\n"
+ " -M <max balance>\n"
+ " Set the Maximum/Minimum balances shown in `dispense acct`\n"
+ "Definitions:\n"
+ " <itemid>\n"
+ " Item ID of the form <type>:<num> where <type> is a non-empty string of alpha-numeric characters, and <num> is a non-negative integer\n"
+// " <user>\n"
+// " Account name\n"
+ );
+}
- // -- Create regular expressions
- // > Code Type Count ...
- CompileRegex(&gArrayRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+([0-9]+)", REG_EXTENDED); //
- // > Code Type Ident Status Price Desc
- CompileRegex(&gItemRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+([A-Za-z]+):([0-9]+)\\s+(avail|sold|error)\\s+([0-9]+)\\s+(.+)$", REG_EXTENDED);
- // > Code 'SALT' salt
- CompileRegex(&gSaltRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+(.+)$", REG_EXTENDED);
- // > Code 'User' Username Balance Flags
- CompileRegex(&gUserInfoRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+([^ ]+)\\s+(-?[0-9]+)\\s+(.+)$", REG_EXTENDED);
- // > Item Ident
- CompileRegex(&gUserItemIdentRegex, "^([A-Za-z]+):([0-9]+)$", REG_EXTENDED);
+//
+// `dispense finger`
+//
+int subcommand_finger(void)
+{
+ // Connect to server
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
- // Parse Arguments
- for( i = 1; i < argc; i ++ )
- {
- char *arg = argv[i];
-
- if( arg[0] == '-' )
- {
- switch(arg[1])
- {
- case 'h':
- case '?':
- ShowUsage();
- return 0;
-
- case 'm': // Minimum balance
- if( i + 1 >= argc ) {
- fprintf(stderr, "%s: -m takes an argument\n", argv[0]);
- ShowUsage();
- }
- giMinimumBalance = atoi(argv[++i]);
- break;
- case 'M': // Maximum balance
- if( i + 1 >= argc ) {
- fprintf(stderr, "%s: -M takes an argument\n", argv[0]);
- ShowUsage();
- }
- giMaximumBalance = atoi(argv[++i]);
- break;
-
- case 'u': // Override User
- if( i + 1 >= argc ) {
- fprintf(stderr, "%s: -u takes an argument\n", argv[0]);
- ShowUsage();
- }
- gsEffectiveUser = argv[++i];
- break;
-
- case 'H': // Override remote host
- if( i + 1 >= argc ) {
- fprintf(stderr, "%s: -H takes an argument\n", argv[0]);
- ShowUsage();
- }
- gsDispenseServer = argv[++i];
- break;
- case 'P': // Override remote port
- if( i + 1 >= argc ) {
- fprintf(stderr, "%s: -P takes an argument\n", argv[0]);
- ShowUsage();
- }
- giDispensePort = atoi(argv[++i]);
- break;
-
- case 'G': // Don't use GUI
- giUIMode = UI_MODE_BASIC;
- break;
- case 'D': // Drinks only
- giUIMode = UI_MODE_DRINKSONLY;
- break;
- case 'n': // Dry Run / read-only
- gbDryRun = 1;
- break;
- case '0': case '1':
- case '2': case '3':
- case '4': case '5':
- case '6': case '7':
- case '8': case '9':
- if( text_argc + 1 == MAX_TXT_ARGS )
- {
- fprintf(stderr, "ERROR: Too many arguments\n");
- return 1;
- }
- text_args[text_argc++] = argv[i];
- break;
- }
+ // Get items
+ PopulateItemList(sock);
- continue;
- }
+ printf("The UCC Coke machine.\n\n");
- if( text_argc + 1 == MAX_TXT_ARGS )
+ // Only get coke slot statuses
+ for( int i = 0; i <= 6; i ++ )
+ {
+ const char *status;
+ switch(gaItems[i].Status)
{
- fprintf(stderr, "ERROR: Too many arguments\n");
- return 1;
+ case 0: status = "Avail"; break;
+ case 1: status = "Sold "; break;
+ default:
+ status = "Error";
+ break;
}
-
- text_args[text_argc++] = argv[i];
-
+ printf("%i - %s %3i %s\n", gaItems[i].ID, status, gaItems[i].Price, gaItems[i].Desc);
}
- //
- // `dispense acct`
- // -
- if( strcmp(text_args[0], "acct") == 0 )
- {
- // Connect to server
- sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
- // List accounts?
- if( text_argc == 1 ) {
- Dispense_EnumUsers(sock);
- return 0;
- }
-
- // text_args[1]: Username
-
- // Alter account?
- if( text_argc == 4 )
- {
- // Authentication required
- if( Authenticate(sock) )
- return -1;
-
- // text_args[1]: Username
- // text_args[2]: Ammount
- // text_args[3]: Reason
-
- if( text_args[2][0] == '=' ) {
- // Set balance
- if( text_args[2][1] != '0' && atoi(text_args[2]+1) == 0 ) {
- fprintf(stderr, "Error: Invalid balance to be set\n");
- exit(1);
- }
-
- Dispense_SetBalance(sock, text_args[1], atoi(text_args[2]+1), text_args[3]);
- }
- else {
- // Alter balance
- Dispense_AlterBalance(sock, text_args[1], atoi(text_args[2]), text_args[3]);
- }
- }
-
- // Show user information
- Dispense_ShowUser(sock, text_args[1]);
-
+ printf("\nMay your pink fish bing into the distance.\n");
+
+ return 0;
+}
+
+//
+// `dispense acct`
+// - Display/manipulate account balances
+//
+int subcommand_acct(void)
+{
+ int ret = 0;
+
+ // Connect to server
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+ // List accounts?
+ if( giTextArgc == 1 ) {
+ ret = Dispense_EnumUsers(sock);
close(sock);
- return 0;
+ return ret;
}
- //
- // `dispense give`
- // - "Here, have some money."
- if( strcmp(text_args[0], "give") == 0 )
- {
- if( text_argc != 3 ) {
- fprintf(stderr, "`dispense give` takes three arguments\n");
- ShowUsage();
- return -1;
- }
- // text_args[1]: Destination
- // text_args[2]: Ammount
- // text_args[3]: Reason
-
- // Connect to server
- sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
-
- // Authenticate
- if( Authenticate(sock) )
- return -1;
-
- Dispense_Give(sock, text_args[1], atoi(text_args[2]), text_args[3]);
- return 0;
- }
- //
- // `dispense user`
- // - User administration (Admin Only)
- if( strcmp(text_args[0], "user") == 0 )
+ // gsTextArgs[1]: Username
+
+ // Alter account?
+ if( giTextArgc != 2 )
{
- // Check argument count
- if( text_argc == 1 ) {
- fprintf(stderr, "Error: `dispense user` requires arguments\n");
+ if( giTextArgc != 4 ) {
+ fprintf(stderr, "`dispense acct` requires a reason\n");
ShowUsage();
- exit(1);
+ return RV_ARGUMENTS;
}
- // Connect to server
- sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
-
- // Attempt authentication
- if( Authenticate(sock) )
- return -1;
+ // Authentication required
+ ret = Authenticate(sock);
+ if(ret) return ret;
- // Add new user?
- if( strcmp(text_args[1], "add") == 0 )
- {
- if( text_argc != 3 ) {
- fprintf(stderr, "Error: `dispense user add` requires an argument\n");
- ShowUsage();
- exit(1);
- }
-
- Dispense_AddUser(sock, text_args[2]);
+ // gsTextArgs[1]: Username
+ // gsTextArgs[2]: Ammount
+ // gsTextArgs[3]: Reason
+ char *tmp = NULL;
+ long int balance = strtol(gsTextArgs[2]+(gsTextArgs[2][0] == '='), &tmp, 10);
+ if(!tmp || *tmp != '\0') {
+ fprintf(stderr, "dispense acct: Value must be a decimal number of cents\n");
+ return RV_ARGUMENTS;
}
- // Update a user
- else if( strcmp(text_args[1], "type") == 0 )
- {
- if( text_argc != 4 ) {
- fprintf(stderr, "Error: `dispense user type` requires two arguments\n");
- ShowUsage();
- exit(1);
- }
-
- Dispense_SetUserType(sock, text_args[2], text_args[3]);
+
+ if( gsTextArgs[2][0] == '=' ) {
+ // Set balance
+ ret = Dispense_SetBalance(sock, gsTextArgs[1], balance, gsTextArgs[3]);
}
- else
- {
- fprintf(stderr, "Error: Unknown sub-command for `dispense user`\n");
- ShowUsage();
- exit(1);
+ else {
+ // Alter balance
+ ret = Dispense_AlterBalance(sock, gsTextArgs[1], balance, gsTextArgs[3]);
}
- return 0;
+ }
+ // On error, quit
+ if( ret ) {
+ close(sock);
+ return ret;
}
- // Donation!
- if( strcmp(text_args[0], "donate") == 0 )
+ // Show user information
+ ret = Dispense_ShowUser(sock, gsTextArgs[1]);
+
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense give`
+// - Transfer credit from the current user to another account
+//
+// "Here, have some money."
+//
+int subcommand_give(int argc, char *args[])
+{
+ int ret;
+
+ if( argc != 3 ) {
+ fprintf(stderr, "`dispense give` takes three arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ const char *dst_acct = args[0];
+ const char *amt_str = args[1];
+ const char *message = args[2];
+
+ // Connect to server
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ // Authenticate
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ char *end = NULL;
+ long amt = strtol(amt_str, &end, 10);
+ if( !end || *end != '\0' ) {
+ fprintf(stderr, "dispense give: Balance is invalid, must be decimal number of cents");
+ return RV_ARGUMENTS;
+ }
+ ret = Dispense_Give(sock, dst_acct, amt, message);
+
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense user`
+// - User administration (Admin Only)
+//
+int subcommand_user(int argc, char *args[])
+{
+ int ret;
+
+ // Check argument count
+ if( argc == 0 ) {
+ fprintf(stderr, "Error: `dispense user` requires arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ // Connect to server
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ // Attempt authentication
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ // Add new user?
+ if( strcmp(args[0], "add") == 0 )
{
- // Check argument count
- if( text_argc != 3 ) {
- fprintf(stderr, "Error: `dispense donate` requires two arguments\n");
+ if( giTextArgc != 3 ) {
+ fprintf(stderr, "Error: `dispense user add` requires an argument\n");
ShowUsage();
- exit(1);
+ return RV_ARGUMENTS;
}
- // Connect to server
- sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
-
- // Attempt authentication
- if( Authenticate(sock) )
- return -1;
-
- // Do donation
- Dispense_Donate(sock, atoi(text_args[1]), text_args[2]);
+ ret = Dispense_AddUser(sock, args[1]);
+ }
+ // Update a user
+ else if( strcmp(args[0], "type") == 0 || strcmp(args[0], "flags") == 0 )
+ {
+ if( argc < 3 || argc > 4 ) {
+ fprintf(stderr, "Error: `dispense user type` requires two arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
- return 0;
+ ret = Dispense_SetUserType(sock, args[1], args[2], (argc == 3 ? "" : args[3]));
}
- else {
- // Item name / pattern
- gsItemPattern = text_args[0];
+ else
+ {
+ fprintf(stderr, "Error: Unknown sub-command for `dispense user`\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense donate`
+// - Donate money to the club
+//
+int subcommand_donate(int argc, char *args[])
+{
+ int ret;
+
+ // Check argument count
+ if( argc != 2 ) {
+ fprintf(stderr, "Error: `dispense donate` requires two arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
}
// Connect to server
- sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ // Attempt authentication
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ // Do donation
+ ret = Dispense_Donate(sock, atoi(args[0]), args[1]);
+
+ close(sock);
+
+ return ret;
+}
+
+//
+// `dispense refund`
+// - Refund a purchased item
+//
+// "Well excuuuuse me, princess"
+//
+int subcommand_refund(int argc, char *args[])
+{
+ int ret;
+
+ // Check argument count
+ if( argc != 2 && argc != 3 ) {
+ fprintf(stderr, "Error: `dispense refund` takes 2 or 3 arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ // Connect to server
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if(sock < 0) return RV_SOCKET_ERROR;
- // Get the user's balance
- GetUserBalance(sock);
+ // Attempt authentication
+ ret = Authenticate(sock);
+ if(ret) return ret;
- // Get items
- PopulateItemList(sock);
+ int price = 0;
+ if( argc > 2 ) {
+ price = atoi(args[2]);
+ if( price <= 0 ) {
+ fprintf(stderr, "Error: Override price is invalid (should be > 0)\n");
+ return RV_ARGUMENTS;
+ }
+ }
+
+ // Username, Item, cost
+ ret = Dispense_Refund(sock, args[0], args[1], price);
+
+ // TODO: More
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense iteminfo`
+// - Get the state of an item
+//
+int subcommand_iteminfo(int argc, char *args[])
+{
+ int ret;
+
+ // Check argument count
+ if( argc != 1 ) {
+ fprintf(stderr, "Error: `dispense iteminfo` takes one argument\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ char *item_id = args[0];
+
+ regmatch_t matches[3];
+ // Parse item ID
+ if( RunRegex(&gUserItemIdentRegex, item_id, 3, matches, NULL) != 0 ) {
+ fprintf(stderr, "Error: Invalid item ID passed (<type>:<id> expected)\n");
+ return RV_ARGUMENTS;
+ }
+ char *type = item_id + matches[1].rm_so;
+ item_id[ matches[1].rm_eo ] = '\0';
+ int id = atoi( item_id + matches[2].rm_so );
+
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
- // Disconnect from server
+ ret = Dispense_ItemInfo(sock, type, id);
close(sock);
+ return ret;
+}
+
+//
+// `dispense slot`
+// - Update the name/price of an item
+//
+int subcommand_slot(int argc, char *args[])
+{
+ int ret;
- if( gsItemPattern && gsItemPattern[0] )
+ // Check arguments
+ if( argc != 3 ) {
+ fprintf(stderr, "Error: `dispense slot` takes three arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ char *slot_id = args[0];
+ char *price_str = args[1];
+ char *newname = args[2];
+
+ // Parse arguments
+ regmatch_t matches[3];
+ if( RunRegex(&gUserItemIdentRegex, slot_id, 3, matches, NULL) != 0 ) {
+ fprintf(stderr, "Error: Invalid item ID passed (<type>:<id> expected)\n");
+ return RV_ARGUMENTS;
+ }
+ const char *item_type = slot_id + matches[1].rm_so;
+ slot_id[ matches[1].rm_eo ] = '\0';
+ int item_id = atoi( slot_id + matches[2].rm_so );
+
+ // - Price
+ char *end;
+ int price = strtol( price_str, &end, 0 );
+ if( price < 0 || *end != '\0' ) {
+ fprintf(stderr, "Error: Invalid price passed (must be >= 0)\n");
+ return RV_ARGUMENTS;
+ }
+
+ // -- Sanity
+ for( char *pos = newname; *pos; pos ++ )
{
- regmatch_t matches[3];
- // Door (hard coded)
- if( strcmp(gsItemPattern, "door") == 0 )
- {
- // Connect, Authenticate, dispense and close
- sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
- Authenticate(sock);
- DispenseItem(sock, "door", 0);
+ if( !isalnum(*pos) && *pos != ' ' ) {
+ fprintf(stderr, "Error: You should only have letters, numbers and spaces in an item name\n");
+ return RV_ARGUMENTS;
+ }
+ }
+
+ // Connect & Authenticate
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ // Update the slot
+ ret = Dispense_SetItem(sock, item_type, item_id, price, newname);
+
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense pincheck`
+// - Validate a user's pin (used by the snack machine)
+//
+int subcommand_pincheck(int argc, char *args[])
+{
+ int ret;
+
+ if( argc < 1 || argc > 2 ) {
+ fprintf(stderr, "Error: `dispense pincheck` takes one/two arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ struct passwd *pwd = getpwuid( getuid() );
+ gsUserName = strdup(pwd->pw_name);
+
+ const char *pin = args[0];
+ const char *user = (argc > 1 ? args[1] : gsUserName);
+
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ ret = DispenseCheckPin(sock, user, pin);
+
+ close(sock);
+ return ret;
+}
+
+//
+// `dispense pinset`
+// - Set the pin of the current account
+//
+int subcommand_pinset(int argc, char *args[])
+{
+ int ret;
+
+ if( argc != 1 ) {
+ fprintf(stderr, "Error: `dispense pinset` takes one argument\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+
+ const char *pin = args[0];
+
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ ret = DispenseSetPin(sock, pin);
+
+ close(sock);
+ return ret;
+}
+
+int main(int argc, char *argv[])
+{
+ int i, ret = 0;
+ char buffer[BUFSIZ];
+
+ gsTextArgs[0] = "";
+
+ // -- Create regular expressions
+ // > Code Type Count ...
+ CompileRegex(&gArrayRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+([0-9]+)", REG_EXTENDED); //
+ // > Code Type Ident Status Price Desc
+ CompileRegex(&gItemRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+([A-Za-z]+):([0-9]+)\\s+(avail|sold|error)\\s+([0-9]+)\\s+(.+)$", REG_EXTENDED);
+ // > Code 'SALT' salt
+ CompileRegex(&gSaltRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+(.+)$", REG_EXTENDED);
+ // > Code 'User' Username Balance Flags
+ CompileRegex(&gUserInfoRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+([^ ]+)\\s+(-?[0-9]+)\\s+(.+)$", REG_EXTENDED);
+ // > Item Ident
+ CompileRegex(&gUserItemIdentRegex, "^([A-Za-z]+):([0-9]+)$", REG_EXTENDED);
+
+ // Parse Arguments
+ ret = ParseArguments(argc, argv);
+ if( ret )
+ return ret;
+
+ // Sub-commands
+ if( strcmp(gsTextArgs[0], "finger") == 0 ) {
+ return subcommand_finger();
+ }
+ else if( strcmp(gsTextArgs[0], "acct") == 0 ) {
+ return subcommand_acct();
+ }
+ else if( strcmp(gsTextArgs[0], "give") == 0 ) {
+ return subcommand_give(giTextArgc-1, gsTextArgs+1);
+ }
+ else if( strcmp(gsTextArgs[0], "user") == 0 ) {
+ return subcommand_user(giTextArgc-1, gsTextArgs+1);
+ }
+ else if( strcmp(gsTextArgs[0], "donate") == 0 ) {
+ return subcommand_donate(giTextArgc-1, gsTextArgs+1);
+ }
+ else if( strcmp(gsTextArgs[0], "refund") == 0 ) {
+ return subcommand_refund(giTextArgc-1, gsTextArgs+1);
+ }
+ else if( strcmp(gsTextArgs[0], "iteminfo") == 0 ) {
+ return subcommand_iteminfo(giTextArgc-1, gsTextArgs+1);
+ }
+ else if( strcmp(gsTextArgs[0], "slot") == 0 ) {
+ return subcommand_slot(giTextArgc-1, gsTextArgs+1);
+ }
+ else if(strcmp(gsTextArgs[0], "pincheck") == 0) {
+ return subcommand_pincheck(giTextArgc-1, gsTextArgs+1);
+ }
+ else if(strcmp(gsTextArgs[0], "pinset") == 0) {
+ return subcommand_pinset(giTextArgc-1, gsTextArgs+1);
+ }
+ else {
+ // Item name / pattern
+ gsItemPattern = gsTextArgs[0];
+ }
+
+ // Connect to server
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ // Get the user's balance
+ ret = GetUserBalance(sock);
+ if(ret) return ret;
+
+ // Get items
+ PopulateItemList(sock);
+
+ // Disconnect from server
+ close(sock);
+
+ if( gsItemPattern && gsItemPattern[0] )
+ {
+ regmatch_t matches[3];
+ // Door (hard coded)
+ if( strcmp(gsItemPattern, "door") == 0 )
+ {
+ // Connect, Authenticate, dispense and close
+ sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+ ret = Authenticate(sock);
+ if(ret) return ret;
+ ret = DispenseItem(sock, "door", 0);
close(sock);
- return 0;
+ return ret;
}
// Item id (<type>:<num>)
else if( RunRegex(&gUserItemIdentRegex, gsItemPattern, 3, matches, NULL) == 0 )
// Connect, Authenticate, dispense and close
sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
+ if( sock < 0 ) return RV_SOCKET_ERROR;
Dispense_ItemInfo(sock, ident, id);
- Authenticate(sock);
- DispenseItem(sock, ident, id);
+ ret = Authenticate(sock);
+ if(ret) return ret;
+ ret = DispenseItem(sock, ident, id);
close(sock);
- return 0;
+ return ret;
}
// Item number (6 = coke)
else if( strcmp(gsItemPattern, "0") == 0 || atoi(gsItemPattern) > 0 )
// TODO: Allow ambiguous matches?
// or just print a wanrning
printf("Warning - Ambiguous pattern, stopping\n");
- return 1;
+ return RV_BAD_ITEM;
}
}
if( best == -1 )
{
fprintf(stderr, "No item matches the passed string\n");
- return 1;
+ return RV_BAD_ITEM;
}
i = best;
// Check for a valid item ID
if( i >= 0 )
{
+ int j;
// Connect, Authenticate, dispense and close
sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
+ if( sock < 0 ) return RV_SOCKET_ERROR;
- Dispense_ItemInfo(sock, gaItems[i].Type, gaItems[i].ID);
+ ret = Dispense_ItemInfo(sock, gaItems[i].Type, gaItems[i].ID);
+ if(ret) return ret;
- Authenticate(sock);
- ret = DispenseItem(sock, gaItems[i].Type, gaItems[i].ID);
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ for( j = 0; j < giDispenseCount; j ++ ) {
+ ret = DispenseItem(sock, gaItems[i].Type, gaItems[i].ID);
+ if( ret ) break;
+ }
+ if( j > 1 ) {
+ printf("%i items dispensed\n", j);
+ }
+ Dispense_ShowUser(sock, gsUserName);
close(sock);
+
}
return ret;
}
-void ShowUsage(void)
-{
- printf(
- "Usage:\n"
- " == Everyone ==\n"
- " dispense\n"
- " Show interactive list\n"
- " dispense <item>\n"
- " Dispense named item\n"
- " dispense give <user> <ammount> \"<reason>\"\n"
- " Give money to another user\n"
- " dispense donate <ammount> \"<reason>\"\n"
- " Donate to the club\n"
- " == Coke members == \n"
- " dispense acct [<user>]\n"
- " Show user balances\n"
- " dispense acct <user> [+-]<ammount> \"<reason>\"\n"
- " Alter a account value\n"
- " == Dispense administrators ==\n"
- " dispense acct <user> =<ammount> \"<reason>\"\n"
- " Set an account balance\n"
- " dispense user add <user>\n"
- " Create new coke account (Admins only)\n"
- " dispense user type <user> <flags>\n"
- " Alter a user's flags\n"
- " <flags> is a comma-separated list of user, coke, admin or disabled\n"
- " Flags are removed by preceding the name with '-' or '!'\n"
- "\n"
- "General Options:\n"
- " -u <username>\n"
- " Set a different user (Coke members only)\n"
- " -h / -?\n"
- " Show help text\n"
- " -G\n"
- " Use alternate GUI\n"
- " -m <min balance>\n"
- " -M <max balance>\n"
- " Set the Maximum/Minimum balances shown in `dispense acct`\n"
- );
-}
-
-// -------------------
-// --- NCurses GUI ---
-// -------------------
-/**
- * \brief Render the NCurses UI
- */
-int ShowNCursesUI(void)
+int ParseArguments(int argc, char *argv[])
{
- // TODO: ncurses interface (with separation between item classes)
- // - Hmm... that would require standardising the item ID to be <class>:<index>
- // Oh, why not :)
- int ch;
- int i, times;
- int xBase, yBase;
- const int displayMinWidth = 40;
- char *titleString = "Dispense";
- int itemCount;
- int maxItemIndex;
- int itemBase = 0;
- int currentItem;
- int ret = -2; // -2: Used for marking "no return yet"
-
- char balance_str[5+1+2+1]; // If $9999.99 is too little, something's wrong
- char *username;
- struct passwd *pwd;
-
- int height, width;
-
- // Get Username
- if( gsEffectiveUser )
- username = gsEffectiveUser;
- else {
- pwd = getpwuid( getuid() );
- username = pwd->pw_name;
- }
- // Get balance
- snprintf(balance_str, sizeof balance_str, "$%i.%02i", giUserBalance/100, giUserBalance%100);
-
- // Enter curses mode
- initscr();
- raw(); noecho();
-
- // Get max index
- maxItemIndex = ShowItemAt(0, 0, 0, -1, 0);
- // Get item count per screen
- // - 6: randomly chosen (Need at least 3)
- itemCount = LINES - 6;
- if( itemCount > maxItemIndex )
- itemCount = maxItemIndex;
- // Get first index
- currentItem = 0;
- while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 )
- currentItem ++;
-
-
- // Get dimensions
- height = itemCount + 3;
- width = displayMinWidth;
-
- // Get positions
- xBase = COLS/2 - width/2;
- yBase = LINES/2 - height/2;
-
- for( ;; )
+ for( int i = 1; i < argc; i ++ )
{
- // Header
- PrintAlign(yBase, xBase, width, "/", '-', titleString, '-', "\\");
+ char *arg = argv[i];
- // Items
- for( i = 0; i < itemCount; i ++ )
- {
- int pos = 0;
-
- move( yBase + 1 + i, xBase );
- printw("| ");
-
- pos += 2;
-
- // Check for the '...' row
- // - Oh god, magic numbers!
- if( (i == 0 && itemBase > 0)
- || (i == itemCount - 1 && itemBase < maxItemIndex - itemCount) )
+ if( arg[0] == '-' )
+ {
+ switch(arg[1])
{
- printw(" ..."); pos += 8;
- times = (width - pos) - 1;
- while(times--) addch(' ');
- }
- // Show an item
- else {
- ShowItemAt(
- yBase + 1 + i, xBase + pos, // Position
- (width - pos) - 3, // Width
- itemBase + i, // Index
- !!(currentItem == itemBase + i) // Hilighted
- );
- printw(" ");
- }
-
- // Scrollbar (if needed)
- if( maxItemIndex > itemCount ) {
- if( i == 0 ) {
- addch('A');
- }
- else if( i == itemCount - 1 ) {
- addch('V');
+ case 'h':
+ case '?':
+ ShowUsage();
+ return 0;
+
+ case 'c':
+ if( i > 2 && strcmp(argv[i-1], "type") == 0 )
+ goto _default;
+ if( i + 1 >= argc ) {
+ fprintf(stderr, "%s: -c takes an argument\n", argv[0]);
+ ShowUsage();
+ return -1;
}
- else {
- int percentage = itemBase * 100 / (maxItemIndex-itemCount);
- if( i-1 == percentage*(itemCount-3)/100 ) {
- addch('#');
- }
- else {
- addch('|');
- }
+ giDispenseCount = atoi(argv[++i]);
+ if( giDispenseCount < 1 || giDispenseCount > DISPENSE_MULTIPLE_MAX ) {
+ fprintf(stderr, "Sorry, only 1-20 can be passed to -c (safety)\n");
+ return -1;
}
- }
- else {
- addch('|');
- }
- }
-
- // Footer
- PrintAlign(yBase+height-2, xBase, width, "\\", '-', "", '-', "/");
-
- // User line
- // - Username, balance, flags
- PrintAlign(yBase+height-1, xBase+1, width-2,
- username, ' ', balance_str, ' ', gsUserFlags);
-
-
- // Get input
- ch = getch();
-
- if( ch == '\x1B' ) {
- ch = getch();
- if( ch == '[' ) {
- ch = getch();
- switch(ch)
- {
- case 'B':
- currentItem ++;
- // Skip over spacers
- while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 )
- currentItem ++;
-
- if( currentItem >= maxItemIndex ) {
- currentItem = 0;
- // Skip over spacers
- while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 )
- currentItem ++;
- }
- break;
- case 'A':
- currentItem --;
- // Skip over spacers
- while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 )
- currentItem --;
-
- if( currentItem < 0 ) {
- currentItem = maxItemIndex - 1;
- // Skip over spacers
- while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 )
- currentItem --;
- }
- break;
+ break ;
+
+ case 'm': // Minimum balance
+ if( i + 1 >= argc ) {
+ fprintf(stderr, "%s: -m takes an argument\n", argv[0]);
+ ShowUsage();
+ return RV_ARGUMENTS;
}
- }
- else {
-
- }
-
- if( itemCount > maxItemIndex && currentItem < itemBase + 2 && itemBase > 0 )
- itemBase = currentItem - 2;
- if( itemCount > maxItemIndex && currentItem > itemBase + itemCount - 2 && itemBase < maxItemIndex-1 )
- itemBase = currentItem - itemCount + 2;
- }
- else {
- switch(ch)
- {
- case '\n':
- ret = ShowItemAt(0, 0, 0, currentItem, 0);
+ giMinimumBalance = atoi(argv[++i]);
break;
- case 'q':
- ret = -1; // -1: Return with no dispense
+ case 'M': // Maximum balance
+ if( i + 1 >= argc ) {
+ fprintf(stderr, "%s: -M takes an argument\n", argv[0]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ giMaximumBalance = atoi(argv[++i]);
break;
- }
- // Check if the return value was changed
- if( ret != -2 ) break;
- }
-
- }
-
-
- // Leave
- endwin();
- return ret;
-}
-
-/**
- * \brief Show item \a Index at (\a Col, \a Row)
- * \return Dispense index of item
- * \note Part of the NCurses UI
- */
-int ShowItemAt(int Row, int Col, int Width, int Index, int bHilighted)
-{
- int _x, _y, times;
- char *name = NULL;
- int price = 0;
- int status = -1;
-
- switch(giUIMode)
- {
- // Standard UI
- // - This assumes that
- case UI_MODE_STANDARD:
- // Bounds check
- // Index = -1, request limit
- if( Index < 0 || Index >= giNumItems+2 )
- return giNumItems+2;
- // Drink label
- if( Index == 0 )
- {
- price = 0;
- name = "Coke Machine";
- Index = -1; // -1 indicates a label
- break;
- }
- Index --;
- // Drinks 0 - 6
- if( Index <= 6 )
- {
- name = gaItems[Index].Desc;
- price = gaItems[Index].Price;
- status = gaItems[Index].Status;
- break;
- }
- Index -= 7;
- // EPS label
- if( Index == 0 )
- {
- price = 0;
- name = "Electronic Payment System";
- Index = -1; // -1 indicates a label
- break;
- }
- Index --;
- Index += 7;
- name = gaItems[Index].Desc;
- price = gaItems[Index].Price;
- status = gaItems[Index].Status;
- break;
- default:
- return -1;
- }
-
- // Width = 0, don't print
- if( Width > 0 )
- {
- move( Row, Col );
-
- if( Index >= 0 )
- {
- // Show hilight and status
- switch( status )
- {
- case 0:
- if( bHilighted )
- printw("-> ");
- else
- printw(" ");
- break;
- case 1:
- printw("SLD");
+ case 'u': // Override User
+ if( i + 1 >= argc ) {
+ fprintf(stderr, "%s: -u takes an argument\n", argv[0]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ gsEffectiveUser = argv[++i];
break;
- default:
- case -1:
- printw("ERR");
+ case 'H': // Override remote host
+ if( i + 1 >= argc ) {
+ fprintf(stderr, "%s: -H takes an argument\n", argv[0]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ gsDispenseServer = argv[++i];
+ break;
+ case 'P': // Override remote port
+ if( i + 1 >= argc ) {
+ fprintf(stderr, "%s: -P takes an argument\n", argv[0]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ giDispensePort = atoi(argv[++i]);
break;
- }
- printw(" %s", name);
-
- getyx(stdscr, _y, _x);
- // Assumes max 4 digit prices
- times = Width - 5 - (_x - Col); // TODO: Better handling for large prices
- while(times--) addch(' ');
+ // Set slot name/price
+ case 's':
+ if( giTextArgc != 0 ) {
+ fprintf(stderr, "%s: -s must appear before other arguments\n", argv[0]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ gsTextArgs[0] = "slot"; // HACK!!
+ giTextArgc ++;
+ break;
- printw(" %4i", price);
+ case 'G': // Don't use GUI
+ giUIMode = UI_MODE_BASIC;
+ break;
+ case 'D': // Drinks only
+ giUIMode = UI_MODE_DRINKSONLY;
+ break;
+ case 'n': // Dry Run / read-only
+ gbDryRun = 1;
+ break;
+ case '-':
+ if( strcmp(argv[i], "--help") == 0 ) {
+ ShowUsage();
+ return 0;
+ }
+ else if( strcmp(argv[i], "--dry-run") == 0 ) {
+ gbDryRun = 1;
+ }
+ else if( strcmp(argv[i], "--drinks-only") == 0 ) {
+ giUIMode = UI_MODE_DRINKSONLY;
+ }
+ else if( strcmp(argv[i], "--can-select-all") == 0 ) {
+ gbDisallowSelectWithoutBalance = 0;
+ }
+ else {
+ fprintf(stderr, "%s: Unknown switch '%s'\n", argv[0], argv[i]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ break;
+ default: _default:
+ // The first argument is not allowed to begin with 'i'
+ // (catches most bad flags)
+ if( giTextArgc == 0 ) {
+ fprintf(stderr, "%s: Unknown switch '%s'\n", argv[0], argv[i]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ if( giTextArgc == MAX_TXT_ARGS )
+ {
+ fprintf(stderr, "ERROR: Too many arguments\n");
+ return RV_ARGUMENTS;
+ }
+ gsTextArgs[giTextArgc++] = argv[i];
+ break;
+ }
+
+ continue;
}
- else
+
+ if( giTextArgc == MAX_TXT_ARGS )
{
- printw("-- %s", name);
- getyx(stdscr, _y, _x);
- times = Width - 4 - (_x - Col);
- while(times--) addch(' ');
- printw(" ");
+ fprintf(stderr, "ERROR: Too many arguments\n");
+ return RV_ARGUMENTS;
}
- }
- // If the item isn't availiable for sale, return -1 (so it's skipped)
- if( status )
- Index = -1;
+ gsTextArgs[giTextArgc++] = argv[i];
- return Index;
-}
-
-/**
- * \brief Print a three-part string at the specified position (formatted)
- * \note NCurses UI Helper
- *
- * Prints \a Left on the left of the area, \a Right on the righthand side
- * and \a Mid in the middle of the area. These are padded with \a Pad1
- * between \a Left and \a Mid, and \a Pad2 between \a Mid and \a Right.
- *
- * ::printf style format codes are allowed in \a Left, \a Mid and \a Right,
- * and the arguments to these are read in that order.
- */
-void PrintAlign(int Row, int Col, int Width, const char *Left, char Pad1,
- const char *Mid, char Pad2, const char *Right, ...)
-{
- int lLen, mLen, rLen;
- int times;
-
- va_list args;
-
- // Get the length of the strings
- va_start(args, Right);
- lLen = vsnprintf(NULL, 0, Left, args);
- mLen = vsnprintf(NULL, 0, Mid, args);
- rLen = vsnprintf(NULL, 0, Right, args);
- va_end(args);
-
- // Sanity check
- if( lLen + mLen/2 > Width/2 || mLen/2 + rLen > Width/2 ) {
- return ; // TODO: What to do?
- }
-
- move(Row, Col);
-
- // Render strings
- va_start(args, Right);
- // - Left
- {
- char tmp[lLen+1];
- vsnprintf(tmp, lLen+1, Left, args);
- addstr(tmp);
- }
- // - Left padding
- times = (Width - mLen)/2 - lLen;
- while(times--) addch(Pad1);
- // - Middle
- {
- char tmp[mLen+1];
- vsnprintf(tmp, mLen+1, Mid, args);
- addstr(tmp);
- }
- // - Right Padding
- times = (Width - mLen)/2 - rLen;
- if( (Width - mLen) % 2 ) times ++;
- while(times--) addch(Pad2);
- // - Right
- {
- char tmp[rLen+1];
- vsnprintf(tmp, rLen+1, Right, args);
- addstr(tmp);
- }
-}
-
-// ---------------------
-// --- Coke Protocol ---
-// ---------------------
-int OpenConnection(const char *Host, int Port)
-{
- struct hostent *host;
- struct sockaddr_in serverAddr;
- int sock;
-
- host = gethostbyname(Host);
- if( !host ) {
- fprintf(stderr, "Unable to look up '%s'\n", Host);
- return -1;
- }
-
- memset(&serverAddr, 0, sizeof(serverAddr));
-
- serverAddr.sin_family = AF_INET; // IPv4
- // NOTE: I have a suspicion that IPv6 will play sillybuggers with this :)
- serverAddr.sin_addr.s_addr = *((unsigned long *) host->h_addr_list[0]);
- serverAddr.sin_port = htons(Port);
-
- sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
- if( sock < 0 ) {
- fprintf(stderr, "Failed to create socket\n");
- return -1;
- }
-
-// printf("geteuid() = %i, getuid() = %i\n", geteuid(), getuid());
-
- if( geteuid() == 0 || getuid() == 0 )
- {
- int i;
- struct sockaddr_in localAddr;
- memset(&localAddr, 0, sizeof(localAddr));
- localAddr.sin_family = AF_INET; // IPv4
-
- // Loop through all the top ports until one is avaliable
- for( i = 512; i < 1024; i ++)
- {
- localAddr.sin_port = htons(i); // IPv4
- // Attempt to bind to low port for autoauth
- if( bind(sock, (struct sockaddr*)&localAddr, sizeof(localAddr)) == 0 )
- break;
- }
- if( i == 1024 )
- printf("Warning: AUTOAUTH unavaliable\n");
-// else
-// printf("Bound to 0.0.0.0:%i\n", i);
- }
-
- if( connect(sock, (struct sockaddr *) &serverAddr, sizeof(serverAddr)) < 0 ) {
- fprintf(stderr, "Failed to connect to server\n");
- return -1;
- }
-
- return sock;
-}
-
-/**
- * \brief Authenticate with the server
- * \return Boolean Failure
- */
-int Authenticate(int Socket)
-{
- struct passwd *pwd;
- char *buf;
- int responseCode;
- char salt[32];
- int i;
- regmatch_t matches[4];
-
- if( gbIsAuthenticated ) return 0;
-
- // Get user name
- pwd = getpwuid( getuid() );
-
- // Attempt automatic authentication
- sendf(Socket, "AUTOAUTH %s\n", pwd->pw_name);
-
- // Check if it worked
- buf = ReadLine(Socket);
-
- responseCode = atoi(buf);
- switch( responseCode )
- {
- case 200: // Autoauth succeeded, return
- free(buf);
- break;
-
- case 401: // Untrusted, attempt password authentication
- free(buf);
-
- sendf(Socket, "USER %s\n", pwd->pw_name);
- printf("Using username %s\n", pwd->pw_name);
-
- buf = ReadLine(Socket);
-
- // TODO: Get Salt
- // Expected format: 100 SALT <something> ...
- // OR : 100 User Set
- RunRegex(&gSaltRegex, buf, 4, matches, "Malformed server response");
- responseCode = atoi(buf);
- if( responseCode != 100 ) {
- fprintf(stderr, "Unknown repsonse code %i from server\n%s\n", responseCode, buf);
- free(buf);
- return -1; // ERROR
- }
-
- // Check for salt
- if( memcmp( buf+matches[2].rm_so, "SALT", matches[2].rm_eo - matches[2].rm_so) == 0) {
- // Store it for later
- memcpy( salt, buf + matches[3].rm_so, matches[3].rm_eo - matches[3].rm_so );
- salt[ matches[3].rm_eo - matches[3].rm_so ] = 0;
- }
- free(buf);
-
- // Give three attempts
- for( i = 0; i < 3; i ++ )
- {
- int ofs = strlen(pwd->pw_name)+strlen(salt);
- char tmpBuf[42];
- char tmp[ofs+20];
- char *pass = getpass("Password: ");
- uint8_t h[20];
-
- // Create hash string
- // <username><salt><hash>
- strcpy(tmp, pwd->pw_name);
- strcat(tmp, salt);
- SHA1( (unsigned char*)pass, strlen(pass), h );
- memcpy(tmp+ofs, h, 20);
-
- // Hash all that
- SHA1( (unsigned char*)tmp, ofs+20, h );
- sprintf(tmpBuf, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
- h[ 0], h[ 1], h[ 2], h[ 3], h[ 4], h[ 5], h[ 6], h[ 7], h[ 8], h[ 9],
- h[10], h[11], h[12], h[13], h[14], h[15], h[16], h[17], h[18], h[19]
- );
-
- // Send password
- sendf(Socket, "PASS %s\n", tmpBuf);
- buf = ReadLine(Socket);
-
- responseCode = atoi(buf);
- // Auth OK?
- if( responseCode == 200 ) break;
- // Bad username/password
- if( responseCode == 401 ) continue;
-
- fprintf(stderr, "Unknown repsonse code %i from server\n%s\n", responseCode, buf);
- free(buf);
- return -1;
- }
- free(buf);
- if( i == 3 )
- return 2; // 2 = Bad Password
- break;
-
- case 404: // Bad Username
- fprintf(stderr, "Bad Username '%s'\n", pwd->pw_name);
- free(buf);
- return 1;
-
- default:
- fprintf(stderr, "Unkown response code %i from server\n", responseCode);
- printf("%s\n", buf);
- free(buf);
- return -1;
- }
-
- // Set effective user
- if( gsEffectiveUser ) {
- sendf(Socket, "SETEUSER %s\n", gsEffectiveUser);
-
- buf = ReadLine(Socket);
- responseCode = atoi(buf);
-
- switch(responseCode)
- {
- case 200:
- printf("Running as '%s' by '%s'\n", gsEffectiveUser, pwd->pw_name);
- break;
-
- case 403:
- printf("Only coke members can use `dispense -u`\n");
- free(buf);
- return -1;
-
- case 404:
- printf("Invalid user selected\n");
- free(buf);
- return -1;
-
- default:
- fprintf(stderr, "Unkown response code %i from server\n", responseCode);
- printf("%s\n", buf);
- free(buf);
- exit(-1);
- }
-
- free(buf);
- }
-
- gbIsAuthenticated = 1;
-
- return 0;
-}
-
-int GetUserBalance(int Socket)
-{
- regmatch_t matches[6];
- struct passwd *pwd;
- char *buf;
- int responseCode;
-
- if( !gsUserName )
- {
- if( gsEffectiveUser ) {
- gsUserName = gsEffectiveUser;
- }
- else {
- pwd = getpwuid( getuid() );
- gsUserName = strdup(pwd->pw_name);
- }
- }
-
- sendf(Socket, "USER_INFO %s\n", gsUserName);
- buf = ReadLine(Socket);
- responseCode = atoi(buf);
- switch(responseCode)
- {
- case 202: break; // Ok
-
- case 404:
- printf("Invalid user? (USER_INFO failed)\n");
- free(buf);
- return -1;
-
- default:
- fprintf(stderr, "Unkown response code %i from server\n", responseCode);
- printf("%s\n", buf);
- free(buf);
- exit(-1);
- }
-
- RunRegex(&gUserInfoRegex, buf, 6, matches, "Malformed server response");
-
- giUserBalance = atoi( buf + matches[4].rm_so );
- gsUserFlags = strdup( buf + matches[5].rm_so );
-
- free(buf);
-
- return 0;
-}
-
-/**
- * \brief Read an item info response from the server
- * \param Dest Destination for the read item (strings will be on the heap)
- */
-int ReadItemInfo(int Socket, tItem *Dest)
-{
- char *buf;
- int responseCode;
-
- regmatch_t matches[8];
- char *statusStr;
-
- // Get item info
- buf = ReadLine(Socket);
- responseCode = atoi(buf);
-
- switch(responseCode)
- {
- case 202: break;
-
- case 406:
- printf("Bad item name\n");
- free(buf);
- return 1;
-
- default:
- fprintf(stderr, "Unknown response from dispense server (Response Code %i)\n%s", responseCode, buf);
- exit(-1);
- }
-
- RunRegex(&gItemRegex, buf, 8, matches, "Malformed server response");
-
- buf[ matches[3].rm_eo ] = '\0';
- buf[ matches[5].rm_eo ] = '\0';
- buf[ matches[7].rm_eo ] = '\0';
-
- statusStr = &buf[ matches[5].rm_so ];
-
- Dest->ID = atoi( buf + matches[4].rm_so );
-
- if( strcmp(statusStr, "avail") == 0 )
- Dest->Status = 0;
- else if( strcmp(statusStr, "sold") == 0 )
- Dest->Status = 1;
- else if( strcmp(statusStr, "error") == 0 )
- Dest->Status = -1;
- else {
- fprintf(stderr, "Unknown response from dispense server (status '%s')\n",
- statusStr);
- return 1;
- }
- Dest->Price = atoi( buf + matches[6].rm_so );
-
- // Hack a little to reduce heap fragmentation
- {
- char tmpType[strlen(buf + matches[3].rm_so) + 1];
- char tmpDesc[strlen(buf + matches[7].rm_so) + 1];
- strcpy(tmpType, buf + matches[3].rm_so);
- strcpy(tmpDesc, buf + matches[7].rm_so);
- free(buf);
- Dest->Type = strdup( tmpType );
- Dest->Desc = strdup( tmpDesc );
- }
-
- return 0;
-}
-
-/**
- * \brief Fill the item information structure
- * \return Boolean Failure
- */
-void PopulateItemList(int Socket)
-{
- char *buf;
- int responseCode;
-
- char *itemType, *itemStart;
- int count, i;
- regmatch_t matches[4];
-
- // 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(-1);
- }
-
- // - Get item list -
-
- // Expected format:
- // 201 Items <count>
- // 202 Item <count>
- RunRegex(&gArrayRegex, buf, 4, matches, "Malformed server response");
-
- itemType = &buf[ matches[2].rm_so ]; buf[ matches[2].rm_eo ] = '\0';
- count = atoi( &buf[ matches[3].rm_so ] );
-
- // Check array type
- if( strcmp(itemType, "Items") != 0 ) {
- // What the?!
- fprintf(stderr, "Unexpected array type, expected 'Items', got '%s'\n",
- itemType);
- exit(-1);
- }
-
- itemStart = &buf[ matches[3].rm_eo ];
-
- 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;
-
- // Query
- sendf(Socket, "ITEM_INFO %s:%i\n", Type, ID);
-
- if( ReadItemInfo(Socket, &item) )
- {
- return -1;
- }
-
- 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 = 1;
- break;
- case 402:
- printf("Insufficient balance\n");
- ret = 1;
- break;
- case 406:
- printf("Bad item name\n");
- ret = 1;
- break;
- case 500:
- printf("Item failed to dispense, is the slot empty?\n");
- ret = 1;
- break;
- case 501:
- printf("Dispense not possible (slot empty/permissions)\n");
- ret = 1;
- break;
- default:
- printf("Unknown response code %i ('%s')\n", responseCode, buf);
- ret = -2;
- 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;
-
- // Check for a dry run
- if( gbDryRun ) {
- printf("Dry Run - No action\n");
- return 0;
- }
-
- sendf(Socket, "ADD %s %i %s\n", Username, 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;
- case 403: // Not in coke
- fprintf(stderr, "You are not in coke (sucker)\n");
- return 1;
- case 404: // Unknown user
- fprintf(stderr, "Unknown user '%s'\n", Username);
- return 2;
- default:
- fprintf(stderr, "Unknown response code %i\n", responseCode);
- return -1;
- }
-
- return -1;
-}
-
-/**
- * \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 1;
- case 404: // Unknown user
- fprintf(stderr, "Unknown user '%s'\n", Username);
- return 2;
- default:
- fprintf(stderr, "Unknown response code %i\n", responseCode);
- return -1;
- }
-
- 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 -1;
- }
-
- // Fast return on zero
- if( Ammount == 0 ) {
- printf("Are you actually going to give any?\n");
- return 0;
- }
-
- // 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: return 0; // OK
-
- case 402:
- fprintf(stderr, "Insufficient balance\n");
- return 1;
-
- case 404: // Unknown user
- fprintf(stderr, "Unknown user '%s'\n", Username);
- return 2;
-
- default:
- fprintf(stderr, "Unknown response code %i\n", responseCode);
- return -1;
- }
-
- return -1;
-}
-
-
-/**
- * \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 0;
- }
-
- // 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: $%4i.%02i (%s)\n", username, bal/100, abs(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)
-{
- 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\n", Username, TypeString);
-
- buf = ReadLine(Socket);
- responseCode = atoi(buf);
-
- switch(responseCode)
- {
- case 200:
- printf("User '%s' updated\n", Username);
- ret = 0;
- break;
-
- case 403:
- printf("Only wheel can modify users\n");
- ret = 1;
- break;
-
- case 404:
- printf("User '%s' does not exist\n", Username);
- ret = 0;
- break;
-
- case 407:
- printf("Flag string is invalid\n");
- ret = 0;
- break;
-
- default:
- fprintf(stderr, "Unknown response code %i '%s'\n", responseCode, buf);
- ret = -1;
- break;
- }
-
- free(buf);
-
- return ret;
+ }
+ return 0;
}
// ---------------
// --- 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: ");
- #endif
- fflush(stdout);
-
- ret[0] = '\0';
-
- while( !newline )
- {
- if( bufValid ) {
- len = bufValid;
- }
- else {
- len = recv(Socket, buf+bufPos, BUFSIZ-1-bufPos, 0);
- 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;
git.ucc.asn.au / tpg / opendispense2.git / blobdiff
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