#include <stdio.h>
#include <string.h>
#include <ctype.h> // isspace
-#include <stdarg.h>
-#include <regex.h>
-#include <ncurses.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)
+#define DISPENSE_MULTIPLE_MAX 20 // Maximum argument to -c
// === TYPES ===
-typedef struct sItem {
- char *Ident;
- char *Desc;
- int Price;
-} tItem;
// === PROTOTYPES ===
- int ShowNCursesUI(void);
-void PrintAlign(int Row, int Col, int Width, const char *Left, char Pad1, const char *Mid, char Pad2, const char *Right, ...);
-
- int sendf(int Socket, const char *Format, ...);
- int OpenConnection(const char *Host, int Port);
-void Authenticate(int Socket);
+void ShowUsage(void);
+ int main(int argc, char *argv[]);
+ int ParseArguments(int argc, char *argv[]);
+// --- Coke Server Communication ---
+// --- Helpers ---
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 = "localhost";
+char *gsDispenseServer = "merlo.ucc.gu.uwa.edu.au";
int giDispensePort = 11020;
+
tItem *gaItems;
int giNumItems;
-regex_t gArrayRegex, gItemRegex, gSaltRegex;
+regex_t gArrayRegex, gItemRegex, gSaltRegex, gUserInfoRegex, gUserItemIdentRegex;
+ int gbIsAuthenticated = 0;
+
+char *gsItemPattern; //!< Item pattern
+char *gsEffectiveUser; //!< '-u' Dispense as another user
+
+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 *gsUserFlags; //!< User's flag set
+ 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)
+{
+ 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"
+ );
+
+ 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"
+ );
+}
+
+//
+// `dispense finger`
+//
+int subcommand_finger(void)
{
- int sock;
- int i, responseCode, len;
- char buffer[BUFSIZ];
-
- // -- Create regular expressions
- // > Code Type Count ...
- CompileRegex(&gArrayRegex, "^([0-9]{3})\\s+([A-Za-z]+)\\s+([0-9]+)", REG_EXTENDED); //
- // > Code Type Ident Price Desc
- CompileRegex(&gItemRegex, "^([0-9]{3})\\s+(.+?)\\s+(.+?)\\s+([0-9]+)\\s+(.+)$", REG_EXTENDED);
- // > Code 'SALT' salt
- CompileRegex(&gSaltRegex, "^([0-9]{3})\\s+(.+)\\s+(.+)$", REG_EXTENDED);
-
// Connect to server
- sock = OpenConnection(gsDispenseServer, giDispensePort);
- if( sock < 0 ) return -1;
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
- // Determine what to do
- if( argc > 1 )
+ // Get items
+ PopulateItemList(sock);
+
+ printf("The UCC Coke machine.\n\n");
+
+ // Only get coke slot statuses
+ for( int i = 0; i <= 6; i ++ )
{
- if( strcmp(argv[1], "acct") == 0 )
+ const char *status;
+ switch(gaItems[i].Status)
{
- // Alter account
- // List accounts
- return 0;
+ case 0: status = "Avail"; break;
+ case 1: status = "Sold "; break;
+ default:
+ status = "Error";
+ break;
}
+ printf("%i - %s %3i %s\n", gaItems[i].ID, status, gaItems[i].Price, gaItems[i].Desc);
}
- // Ask server for stock list
- send(sock, "ENUM_ITEMS\n", 11, 0);
- len = recv(sock, buffer, BUFSIZ-1, 0);
- buffer[len] = '\0';
-
- trim(buffer);
-
- printf("Output: %s\n", buffer);
-
- responseCode = atoi(buffer);
- if( responseCode != 201 )
- {
- fprintf(stderr, "Unknown response from dispense server (Response Code %i)\n", responseCode);
- return -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 ret;
}
+
+ // gsTextArgs[1]: Username
- // Get item list
+ // Alter account?
+ if( giTextArgc != 2 )
{
- char *itemType, *itemStart;
- int count;
- regmatch_t matches[4];
-
- // Expected format: 201 Items <count> <item1> <item2> ...
- RunRegex(&gArrayRegex, buffer, 4, matches, "Malformed server response");
-
- itemType = &buffer[ matches[2].rm_so ]; buffer[ matches[2].rm_eo ] = '\0';
- count = atoi( &buffer[ 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);
- return -1;
+ if( giTextArgc != 4 ) {
+ fprintf(stderr, "`dispense acct` requires a reason\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
}
- itemStart = &buffer[ matches[3].rm_eo ];
-
- gaItems = malloc( count * sizeof(tItem) );
+ // Authentication required
+ ret = Authenticate(sock);
+ if(ret) return ret;
- for( giNumItems = 0; giNumItems < count && itemStart; giNumItems ++ )
- {
- char *next = strchr( ++itemStart, ' ' );
- if( next ) *next = '\0';
- gaItems[giNumItems].Ident = strdup(itemStart);
- itemStart = next;
+ // 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;
}
- }
-
- // Get item information
- for( i = 0; i < giNumItems; i ++ )
- {
- regmatch_t matches[6];
-
- // Print item Ident
- printf("%2i %s\t", i, gaItems[i].Ident);
- // Get item info
- sendf(sock, "ITEM_INFO %s\n", gaItems[i].Ident);
- len = recv(sock, buffer, BUFSIZ-1, 0);
- buffer[len] = '\0';
- trim(buffer);
-
- responseCode = atoi(buffer);
- if( responseCode != 202 ) {
- fprintf(stderr, "Unknown response from dispense server (Response Code %i)\n", responseCode);
- return -1;
+ if( gsTextArgs[2][0] == '=' ) {
+ // Set balance
+ ret = Dispense_ShowUser(sock, gsTextArgs[1]);
+ ret = Dispense_SetBalance(sock, gsTextArgs[1], balance, gsTextArgs[3]);
+ }
+ else {
+ // Alter balance
+ ret = Dispense_AlterBalance(sock, gsTextArgs[1], balance, gsTextArgs[3]);
}
-
- RunRegex(&gItemRegex, buffer, 6, matches, "Malformed server response");
-
- buffer[ matches[3].rm_eo ] = '\0';
-
- gaItems[i].Price = atoi( buffer + matches[4].rm_so );
- gaItems[i].Desc = strdup( buffer + matches[5].rm_so );
-
- printf("%3i %s\n", gaItems[i].Price, gaItems[i].Desc);
+ }
+ // On error, quit
+ if( ret ) {
+ close(sock);
+ return ret;
}
- // and choose what to dispense
+ // Show user information
+ ret = Dispense_ShowUser(sock, gsTextArgs[1]);
- #if USE_NCURSES_INTERFACE
- i = ShowNCursesUI();
- #else
+ 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;
- for(;;)
- {
- char *buf;
-
- fgets(buffer, BUFSIZ, stdin);
-
- buf = trim(buffer);
-
- if( buf[0] == 'q' ) break;
-
- i = atoi(buf);
-
- printf("buf = '%s', atoi(buf) = %i\n", buf, i);
-
- if( i != 0 || buf[0] == '0' )
- {
- printf("i = %i\n", i);
-
- if( i < 0 || i >= giNumItems ) {
- printf("Bad item (should be between 0 and %i)\n", giNumItems);
- continue;
- }
- break;
- }
+ if( argc != 3 ) {
+ fprintf(stderr, "`dispense give` takes three arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
}
- #endif
- Authenticate(sock);
+ const char *dst_acct = args[0];
+ const char *amt_str = args[1];
+ const char *message = args[2];
- if( i >= 0 )
- {
- // Dispense!
- sendf(sock, "DISPENSE %s\n", gaItems[i].Ident);
-
- len = recv(sock, buffer, BUFSIZ-1, 0);
- buffer[len] = '\0';
- trim(buffer);
-
- responseCode = atoi(buffer);
- switch( responseCode )
- {
- case 200:
- printf("Dispense OK\n");
- break;
- case 401:
- printf("Not authenticated\n");
- break;
- case 402:
- printf("Insufficient balance\n");
- break;
- case 406:
- printf("Bad item name, bug report\n");
- break;
- case 500:
- printf("Item failed to dispense, is the slot empty?\n");
- break;
- default:
- printf("Unknown response code %i ('%s')\n", responseCode, buffer);
- break;
- }
+ // 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 0;
+ return ret;
}
-void ShowItemAt(int Row, int Col, int Width, int Index)
+//
+// `dispense user`
+// - User administration (Admin Only)
+//
+int subcommand_user(int argc, char *args[])
{
- int _x, _y, times;
-
- move( Row, Col );
+ int ret;
- if( Index < 0 || Index >= giNumItems ) {
- printw("%02i OOR", Index);
- return ;
+ // Check argument count
+ if( argc == 0 ) {
+ fprintf(stderr, "Error: `dispense user` requires arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
}
- printw("%02i %s", Index, gaItems[Index].Desc);
- getyx(stdscr, _y, _x);
- // Assumes max 4 digit prices
- times = Width - 4 - (_x - Col); // TODO: Better handling for large prices
- while(times--) addch(' ');
- printw("%4i", gaItems[Index].Price);
-}
-
-/**
- */
-int ShowNCursesUI(void)
-{
- // 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 = 34;
- const int displayMinItems = 8;
- char *titleString = "Dispense";
- int itemCount = displayMinItems;
- int itemBase = 0;
-
- int height = itemCount + 3;
- int width = displayMinWidth;
-
- // Enter curses mode
- initscr();
- raw(); noecho();
-
- xBase = COLS/2 - width/2;
- yBase = LINES/2 - height/2;
-
- for( ;; )
+ // 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 )
{
- // Header
- PrintAlign(yBase, xBase, width, "/", '-', titleString, '-', "\\");
-
- // Items
- for( i = 0; i < itemCount; i ++ )
- {
- move( yBase + 1 + i, xBase );
- addch('|');
- addch(' ');
-
- // Check for ... row
- if( i == 0 && itemBase > 0 ) {
- printw(" ...");
- times = width - 1 - 8;
- while(times--) addch(' ');
- }
- else if( i == itemCount - 1 && itemBase < giNumItems - itemCount ) {
- printw(" ...");
- times = width - 1 - 8;
- while(times--) addch(' ');
- }
- // Show an item
- else {
- ShowItemAt( yBase + 1 + i, xBase + 2, width - 4, itemBase + i);
- addch(' ');
- }
-
- // Scrollbar (if needed)
- if( giNumItems > itemCount ) {
- if( i == 0 ) {
- addch('A');
- }
- else if( i == itemCount - 1 ) {
- addch('V');
- }
- else {
- int percentage = itemBase * 100 / (giNumItems-itemCount);
- if( i-1 == percentage*(itemCount-3)/100 ) {
- addch('#');
- }
- else {
- addch('|');
- }
- }
- }
- else {
- addch('|');
- }
+ if( giTextArgc != 3 ) {
+ fprintf(stderr, "Error: `dispense user add` requires an argument\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
}
- // Footer
- PrintAlign(yBase+height-2, xBase, width, "\\", '-', "", '-', "/");
-
- // Get input
- ch = getch();
-
- if( ch == '\x1B' ) {
- ch = getch();
- if( ch == '[' ) {
- ch = getch();
-
- switch(ch)
- {
- case 'B':
- if( itemBase < giNumItems - (itemCount) )
- itemBase ++;
- break;
- case 'A':
- if( itemBase > 0 )
- itemBase --;
- break;
- }
- }
- else {
-
- }
- }
- else {
- break;
+ 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;
}
+ ret = Dispense_SetUserType(sock, args[1], args[2], (argc == 3 ? "" : args[3]));
}
-
-
- // Leave
- endwin();
- return -1;
+ else
+ {
+ fprintf(stderr, "Error: Unknown sub-command for `dispense user`\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ close(sock);
+ return ret;
}
-void PrintAlign(int Row, int Col, int Width, const char *Left, char Pad1, const char *Mid, char Pad2, const char *Right, ...)
+//
+// `dispense donate`
+// - Donate money to the club
+//
+int subcommand_donate(int argc, char *args[])
{
- 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);
+ int ret;
- // Sanity check
- if( lLen + mLen/2 > Width/2 || mLen/2 + rLen > Width/2 ) {
- return ; // TODO: What to do?
+ // Check argument count
+ if( argc != 2 ) {
+ fprintf(stderr, "Error: `dispense donate` requires two arguments\n");
+ ShowUsage();
+ return RV_ARGUMENTS;
}
- move(Row, Col);
+ // Connect to server
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
- // Render strings
- va_start(args, Right);
- // - Left
- {
- char tmp[lLen+1];
- vsnprintf(tmp, lLen+1, Left, args);
- addstr(tmp);
- }
- // - Left padding
- times = Width/2 - mLen/2 - lLen;
- while(times--) addch(Pad1);
- // - Middle
- {
- char tmp[mLen+1];
- vsnprintf(tmp, mLen+1, Mid, args);
- addstr(tmp);
- }
- // - Right Padding
- times = Width/2 - mLen/2 - rLen;
- while(times--) addch(Pad2);
- // - Right
- {
- char tmp[rLen+1];
- vsnprintf(tmp, rLen+1, Right, args);
- addstr(tmp);
+ // 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;
+
+ // Attempt authentication
+ ret = Authenticate(sock);
+ if(ret) return ret;
+
+ 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;
}
-// === HELPERS ===
-int sendf(int Socket, const char *Format, ...)
+//
+// `dispense iteminfo`
+// - Get the state of an item
+//
+int subcommand_iteminfo(int argc, char *args[])
{
- va_list args;
- int len;
+ 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;
+
+ 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;
- va_start(args, Format);
- len = vsnprintf(NULL, 0, Format, args);
- va_end(args);
+ // 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 ++ )
{
- char buf[len+1];
- va_start(args, Format);
- vsnprintf(buf, len+1, Format, args);
- va_end(args);
-
- return send(Socket, buf, len, 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;
}
-int OpenConnection(const char *Host, int Port)
+//
+// `dispense pincheck`
+// - Validate a user's pin (used by the snack machine)
+//
+int subcommand_pincheck(int argc, char *args[])
{
- struct hostent *host;
- struct sockaddr_in serverAddr;
- int sock;
+ int ret;
- host = gethostbyname(Host);
- if( !host ) {
- fprintf(stderr, "Unable to look up '%s'\n", Host);
- return -1;
+ 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);
- memset(&serverAddr, 0, sizeof(serverAddr));
+ const char *pin = args[0];
+ const char *user = (argc > 1 ? args[1] : gsUserName);
- 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);
+ int sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
- sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
- if( sock < 0 ) {
- fprintf(stderr, "Failed to create socket\n");
- return -1;
- }
+ ret = Authenticate(sock);
+ if(ret) return ret;
- #if USE_AUTOAUTH
- {
- struct sockaddr_in localAddr;
- memset(&localAddr, 0, sizeof(localAddr));
- localAddr.sin_family = AF_INET; // IPv4
- localAddr.sin_port = 1023; // IPv4
- // Attempt to bind to low port for autoauth
- bind(sock, &localAddr, sizeof(localAddr));
- }
- #endif
+ ret = DispenseCheckPin(sock, user, pin);
- if( connect(sock, (struct sockaddr *) &serverAddr, sizeof(serverAddr)) < 0 ) {
- fprintf(stderr, "Failed to connect to server\n");
- return -1;
+ 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;
}
- return sock;
+ 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;
}
-void Authenticate(int Socket)
+int main(int argc, char *argv[])
{
- struct passwd *pwd;
- char buf[512];
- int responseCode;
- char salt[32];
- regmatch_t matches[4];
+ int i, ret = 0;
+ char buffer[BUFSIZ];
- // Get user name
- pwd = getpwuid( getuid() );
+ 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];
+ }
- // Attempt automatic authentication
- sendf(Socket, "AUTOAUTH %s\n", pwd->pw_name);
+ // 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);
- // Check if it worked
- recv(Socket, buf, 511, 0);
- trim(buf);
+ // Disconnect from server
+ close(sock);
- responseCode = atoi(buf);
- switch( responseCode )
+ if( gsItemPattern && gsItemPattern[0] )
{
- case 200: // Authenticated, return :)
- return ;
- case 401: // Untrusted, attempt password authentication
- sendf(Socket, "USER %s\n", pwd->pw_name);
- printf("Using username %s\n", pwd->pw_name);
-
- recv(Socket, buf, 511, 0);
- trim(buf);
- // TODO: Get Salt
- // Expected format: 100 SALT <something> ...
- // OR : 100 User Set
- RunRegex(&gSaltRegex, buf, 4, matches, "Malformed server response");
- if( atoi(buf) != 100 ) {
- exit(-1); // ERROR
+ 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 ret;
}
- if( memcmp( buf+matches[2].rm_so, "SALT", matches[2].rm_eo - matches[2].rm_so) == 0) {
- // Set salt
- 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;
-// printf("Salt: '%s'\n", salt);
+ // Item id (<type>:<num>)
+ else if( RunRegex(&gUserItemIdentRegex, gsItemPattern, 3, matches, NULL) == 0 )
+ {
+ char *ident;
+ int id;
+
+ // Get and finish ident
+ ident = gsItemPattern + matches[1].rm_so;
+ gsItemPattern[matches[1].rm_eo] = '\0';
+ // Get ID
+ id = atoi( gsItemPattern + matches[2].rm_so );
+
+ // Connect, Authenticate, dispense and close
+ sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ Dispense_ItemInfo(sock, ident, id);
+
+ ret = Authenticate(sock);
+ if(ret) return ret;
+ ret = DispenseItem(sock, ident, id);
+ close(sock);
+ return ret;
}
-
- fflush(stdout);
+ // Item number (6 = coke)
+ else if( strcmp(gsItemPattern, "0") == 0 || atoi(gsItemPattern) > 0 )
{
- int ofs = strlen(pwd->pw_name)+strlen(salt);
- char tmp[ofs+20];
- char *pass = getpass("Password: ");
- uint8_t h[20];
+ i = atoi(gsItemPattern);
+ }
+ // Item prefix
+ else
+ {
+ int j;
+ int best = -1;
+ for( i = 0; i < giNumItems; i ++ )
+ {
+ // Prefix match (with case-insensitive match)
+ for( j = 0; gsItemPattern[j]; j ++ )
+ {
+ if( gaItems[i].Desc[j] == gsItemPattern[j] )
+ continue;
+ if( tolower(gaItems[i].Desc[j]) == tolower(gsItemPattern[j]) )
+ continue;
+ break;
+ }
+ // Check if the prefix matched
+ if( gsItemPattern[j] != '\0' )
+ continue;
+
+ // Prefect match
+ if( gaItems[i].Desc[j] == '\0' ) {
+ best = i;
+ break;
+ }
+
+ // Only one match allowed
+ if( best == -1 ) {
+ best = i;
+ }
+ else {
+ // TODO: Allow ambiguous matches?
+ // or just print a wanrning
+ printf("Warning - Ambiguous pattern, stopping\n");
+ return RV_BAD_ITEM;
+ }
+ }
+
+ // Was a match found?
+ if( best == -1 )
+ {
+ fprintf(stderr, "No item matches the passed string\n");
+ return RV_BAD_ITEM;
+ }
- strcpy(tmp, pwd->pw_name);
- strcat(tmp, salt);
- SHA1( (unsigned char*)pass, strlen(pass), h );
- memcpy(tmp+ofs, h, 20);
+ i = best;
+ }
+ }
+ else if( giUIMode != UI_MODE_BASIC )
+ {
+ i = ShowNCursesUI();
+ }
+ else
+ {
+ // Very basic dispense interface
+ for( i = 0; i < giNumItems; i ++ ) {
+ // Add a separator
+ if( i && strcmp(gaItems[i].Type, gaItems[i-1].Type) != 0 )
+ printf(" ---\n");
- // Hash all that
- SHA1( (unsigned char*)tmp, ofs+20, h );
- sprintf(buf, "%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]
- );
-// printf("Final hash: '%s'\n", buf);
- fflush(stdout); // Debug
+ printf("%2i %s:%i\t%3i %s\n", i, gaItems[i].Type, gaItems[i].ID,
+ gaItems[i].Price, gaItems[i].Desc);
}
+ printf(" q Quit\n");
+ for(;;)
+ {
+ char *buf;
+
+ i = -1;
+
+ fgets(buffer, BUFSIZ, stdin);
+
+ buf = trim(buffer);
+
+ if( buf[0] == 'q' ) break;
+
+ i = atoi(buf);
+
+ if( i != 0 || buf[0] == '0' )
+ {
+ if( i < 0 || i >= giNumItems ) {
+ printf("Bad item %i (should be between 0 and %i)\n", i, giNumItems);
+ continue;
+ }
+ break;
+ }
+ }
+ }
+
+
+ // Check for a valid item ID
+ if( i >= 0 )
+ {
+ int j;
+ // Connect, Authenticate, dispense and close
+ sock = OpenConnection(gsDispenseServer, giDispensePort);
+ if( sock < 0 ) return RV_SOCKET_ERROR;
+
+ ret = Dispense_ItemInfo(sock, gaItems[i].Type, gaItems[i].ID);
+ if(ret) return ret;
- sendf(Socket, "PASS %s\n", buf);
- recv(Socket, buf, 511, 0);
- break;
- case 404: // Bad Username
- fprintf(stderr, "Bad Username '%s'\n", pwd->pw_name);
- exit(-1);
- default:
- fprintf(stderr, "Unkown response code %i from server\n", responseCode);
- printf("%s\n", buf);
- exit(-1);
+ 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;
+}
+
+int ParseArguments(int argc, char *argv[])
+{
+ for( int i = 1; i < argc; i ++ )
+ {
+ char *arg = argv[i];
+
+ if( arg[0] == '-' )
+ {
+ switch(arg[1])
+ {
+ 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;
+ }
+ 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;
+ }
+
+ break ;
- printf("%s\n", buf);
+ case 'm': // Minimum balance
+ if( i + 1 >= argc ) {
+ fprintf(stderr, "%s: -m takes an argument\n", argv[0]);
+ ShowUsage();
+ return RV_ARGUMENTS;
+ }
+ giMinimumBalance = atoi(argv[++i]);
+ break;
+ 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;
+
+ 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;
+
+ 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;
+
+ // 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;
+
+ 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;
+ }
+
+ if( giTextArgc == MAX_TXT_ARGS )
+ {
+ fprintf(stderr, "ERROR: Too many arguments\n");
+ return RV_ARGUMENTS;
+ }
+
+ gsTextArgs[giTextArgc++] = argv[i];
+
+ }
+ return 0;
}
+// ---------------
+// --- Helpers ---
+// ---------------
char *trim(char *string)
{
int i;
int ret;
ret = regexec(regex, string, nMatches, matches, 0);
- if( ret ) {
+ if( ret && errorMessage ) {
size_t len = regerror(ret, regex, NULL, 0);
char errorStr[len];
regerror(ret, regex, errorStr, len);
git.ucc.asn.au / tpg / opendispense2.git / blobdiff
UCC git Repository :: git.ucc.asn.au