#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>
} tItem;
// === PROTOTYPES ===
+ int ShowNCursesUI(void);
+
int sendf(int Socket, const char *Format, ...);
int OpenConnection(const char *Host, int Port);
+void Authenticate(int Socket);
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);
}
}
-
- // Display the list for the user
+ // Get item information
for( i = 0; i < giNumItems; i ++ )
{
regmatch_t matches[6];
printf("%3i %s\n", gaItems[i].Price, gaItems[i].Desc);
}
+ Authenticate(sock);
// and choose what to dispense
+ // TODO: ncurses interface (with separation between item classes)
+ // - Hmm... that would require standardising the item ID to be <class>:<index>
+ // Oh, why not :)
+
+ #if 1
+ i = ShowNCursesUI();
+ #else
+
for(;;)
{
char *buf;
printf("Bad item (should be between 0 and %i)\n", giNumItems);
continue;
}
-
- 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\n", responseCode);
- break;
- }
-
+ break;
+ }
+ }
+ #endif
+
+ 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\n", responseCode);
break;
}
}
return 0;
}
+/**
+ */
+int ShowNCursesUI(void)
+{
+ int ch;
+ int i, times;
+ int xBase, yBase;
+ const int displayMinWidth = 34;
+ const int displayMinItems = 8;
+ char *titleString = "Dispense";
+ int titleStringLen = strlen(titleString);
+ 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( ;; )
+ {
+ // Header
+ move( yBase, xBase );
+ addch('/');
+ times = width/2 - titleStringLen/2 - 2;
+ while(times --) addch('-');
+ addch(' ');
+ addstr(titleString);
+ addch(' ');
+ times = width/2 - titleStringLen/2 - 2;
+ while(times --) addch('-');
+ addch('\\');
+
+ // Items
+ for( i = 0; i < itemCount; i ++ )
+ {
+ int _x, _y;
+ 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 {
+ if( itemBase + i < 0 || itemBase + i >= giNumItems ) {
+ printw("%02i %i OOR", itemBase + i, i);
+ continue ;
+ }
+ printw("%02i %s", itemBase + i, gaItems[itemBase + i].Desc);
+
+ getyx(stdscr, _y, _x);
+ times = width - 6 - (_x - xBase); // TODO: Better handling for large prices
+ while(times--) addch(' ');
+ printw("%4i ", gaItems[itemBase + i].Price);
+ }
+
+ // 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('|');
+ }
+ }
+
+ // Footer
+ move( yBase + 1 + itemCount, xBase );
+ addch('\\');
+ times = width/2 - titleStringLen/2 - 2;
+ while(times --) addch('-');
+ addch(' ');
+ addstr(titleString);
+ addch(' ');
+ times = width/2 - titleStringLen/2 - 2;
+ while(times --) addch('-');
+ addch('/');
+
+ move( yBase + 1 + itemCount + 1, xBase );
+ {
+ int count = itemCount-2;
+ int ofs = itemBase;
+ if( itemBase == 0 ) count ++;
+ else ofs ++;
+ if( itemBase == giNumItems-itemCount) {
+ count ++;
+ ofs ++;
+ }
+ printw("%i - %i / %i items", itemBase, itemBase+count, giNumItems);
+ }
+
+ 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;
+ }
+
+ }
+
+
+ // Leave
+ endwin();
+ return -1;
+}
+
// === HELPERS ===
int sendf(int Socket, const char *Format, ...)
{
return -1;
}
+ #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
+
if( connect(sock, (struct sockaddr *) &serverAddr, sizeof(serverAddr)) < 0 ) {
fprintf(stderr, "Failed to connect to server\n");
return -1;
return sock;
}
+void Authenticate(int Socket)
+{
+ struct passwd *pwd;
+ char buf[512];
+ int responseCode;
+
+ // Get user name
+ pwd = getpwuid( getuid() );
+
+ // Attempt automatic authentication
+ sendf(Socket, "AUTOAUTH %s\n", pwd->pw_name);
+
+ // Check if it worked
+ recv(Socket, buf, 511, 0);
+ trim(buf);
+
+ responseCode = atoi(buf);
+ switch( responseCode )
+ {
+ case 200: // Authenticated, return :)
+ return ;
+ case 401: // Untrusted, attempt password authentication
+ 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);
+ }
+
+ printf("%s\n", buf);
+}
+
char *trim(char *string)
{
int i;
git.ucc.asn.au / tpg / opendispense2.git / blobdiff
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