#include <unistd.h> // close/getuid
#include <limits.h> // INT_MIN/INT_MAX
#include <stdarg.h>
+#include <ctype.h> // isdigit
#include "common.h"
// === PROTOTYPES ===
return -1;
}
-// printf("geteuid() = %i, getuid() = %i\n", geteuid(), getuid());
-
if( geteuid() == 0 || getuid() == 0 )
{
int i;
}
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 ) {
return 0;
}
+int DispenseCheckPin(int Socket, const char *Username, const char *Pin)
+{
+ int ret, responseCode;
+ char *buf;
+
+ if( strlen(Pin) != 4 ) {
+ fprintf(stderr, "Pin format incorrect (not 4 characters long)\n");
+ return RV_ARGUMENTS;
+ }
+
+ for( int i = 0; i < 4; i ++ ) {
+ if( !isdigit(Pin[i]) ) {
+ fprintf(stderr, "Pin format incorrect (character %i not a digit)\n", i);
+ return RV_ARGUMENTS;
+ }
+ }
+
+ sendf(Socket, "PIN_CHECK %s %s\n", Username, Pin);
+ buf = ReadLine(Socket);
+
+ responseCode = atoi(buf);
+ switch( responseCode )
+ {
+ case 200: // Pin correct
+ printf("Pin OK\n");
+ ret = 0;
+ break;
+ case 201:
+ printf("Pin incorrect\n");
+ ret = RV_INVALID_USER;
+ break;
+ case 401:
+ printf("Not authenticated\n");
+ ret = RV_PERMISSIONS;
+ break;
+ case 403:
+ printf("Only coke members can check accounts other than their own\n");
+ ret = RV_PERMISSIONS;
+ break;
+ case 404:
+ printf("User '%s' not found\n", Username);
+ ret = RV_INVALID_USER;
+ break;
+ case 407:
+ printf("Rate limited or client-server disagree on pin format\n");
+ ret = RV_SERVER_ERROR;
+ break;
+ default:
+ printf("Unknown response code %i ('%s')\n", responseCode, buf);
+ ret = RV_UNKNOWN_ERROR;
+ break;
+ }
+ free(buf);
+ return ret;
+}
+
+int DispenseSetPin(int Socket, const char *Pin)
+{
+ int ret, responseCode;
+ char *buf;
+
+ if( strlen(Pin) != 4 ) {
+ fprintf(stderr, "Pin format incorrect (not 4 characters long)\n");
+ return RV_ARGUMENTS;
+ }
+
+ for( int i = 0; i < 4; i ++ ) {
+ if( !isdigit(Pin[i]) ) {
+ fprintf(stderr, "Pin format incorrect (character %i not a digit)\n", i);
+ return RV_ARGUMENTS;
+ }
+ }
+
+ sendf(Socket, "PIN_SET %s\n", Pin);
+ buf = ReadLine(Socket);
+
+ responseCode = atoi(buf);
+ switch(responseCode)
+ {
+ case 200:
+ printf("Pin Updated\n");
+ ret = 0;
+ break;
+ case 401:
+ printf("Not authenticated\n");
+ ret = RV_PERMISSIONS;
+ break;
+ case 407:
+ printf("Client/server disagreement on pin format\n");
+ ret = RV_SERVER_ERROR;
+ break;
+ default:
+ printf("Unknown response code %i ('%s')\n", responseCode, buf);
+ ret = RV_UNKNOWN_ERROR;
+ break;
+ }
+ return ret;
+}
+
/**
* \brief Dispense an item
* \return Boolean Failure
rv = RV_BAD_ITEM;
break;
case 403: // Not in coke
- fprintf(stderr, "You are not in coke (sucker)\n");
+ fprintf(stderr, "Permissions error: %s\n", buf+4);
rv = RV_PERMISSIONS;
break;
case 404: // Unknown user
switch(responseCode)
{
case 200: return 0; // OK
- case 403: // Not in coke
+ case 403: // Not an administrator
fprintf(stderr, "You are not an admin\n");
return RV_PERMISSIONS;
case 404: // Unknown user