X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcokebank_basic%2Fbank.c;h=56db422105bbe0d59a091f555ed84cea7715677e;hb=f02c7f90fe0e654d5587fa88c8dd8297ef150b54;hp=55a19570a9bebafa89af925dc50dfac8ec84175e;hpb=fdfc7639fefe12a26463634a776c070d00ebf1b8;p=tpg%2Fopendispense2.git

diff --git a/src/cokebank_basic/bank.c b/src/cokebank_basic/bank.c
index 55a1957..56db422 100644
--- a/src/cokebank_basic/bank.c
+++ b/src/cokebank_basic/bank.c
@@ -13,8 +13,11 @@
 #include <string.h>
 #include <limits.h>
 #include <pwd.h>
+#include <grp.h>
 #include "common.h"
 
+#define USE_UNIX_GROUPS	1
+
 // === PROTOTYPES ===
 static int	GetUnixID(const char *Username);
 
@@ -24,6 +27,19 @@ tUser	*gaBank_Users;
 FILE	*gBank_File;
 
 // === CODE ===
+static int Bank_int_WriteEntry(int ID)
+{
+	if( ID < 0 || ID >= giBank_NumUsers ) {
+		return -1;
+	}
+	
+	// Commit to file
+	fseek(gBank_File, ID*sizeof(gaBank_Users[0]), SEEK_SET);
+	fwrite(&gaBank_Users[ID], sizeof(gaBank_Users[0]), 1, gBank_File);
+	
+	return 0;
+}
+
 int Bank_GetUserByName(const char *Username)
 {
 	 int	i, uid;
@@ -51,58 +67,107 @@ int Bank_GetUserBalance(int ID)
 int Bank_GetUserFlags(int ID)
 {
 	if( ID < 0 || ID >= giBank_NumUsers )
-		return INT_MIN;
+		return -1;
+
+	// root
+	if( gaBank_Users[ID].UnixID == 0 ) {
+		gaBank_Users[ID].Flags |= USER_FLAG_WHEEL|USER_FLAG_COKE;
+	}
+
+	#if USE_UNIX_GROUPS
+	// TODO: Implement checking the PAM groups and status instead, then
+	// fall back on the database. (and update if there is a difference)
+	if( gaBank_Users[ID].UnixID > 0 )
+	{
+		struct passwd	*pwd;
+		struct group	*grp;
+		 int	i;
+		
+		// Get username
+		pwd = getpwuid( gaBank_Users[ID].UnixID );
+		
+		// Check for additions to the "coke" group
+		grp = getgrnam("coke");
+		if( grp ) {
+			for( i = 0; grp->gr_mem[i]; i ++ )
+			{
+				if( strcmp(grp->gr_mem[i], pwd->pw_name) == 0 ) {
+					gaBank_Users[ID].Flags |= USER_FLAG_COKE;
+					break ;
+				}
+			}
+		}
+		
+		// Check for additions to the "wheel" group
+		grp = getgrnam("wheel");
+		if( grp ) {
+			for( i = 0; grp->gr_mem[i]; i ++ )
+			{
+				if( strcmp(grp->gr_mem[i], pwd->pw_name) == 0 ) {
+					gaBank_Users[ID].Flags |= USER_FLAG_WHEEL;
+					break ;
+				}
+			}
+		}
+	}
+	#endif
 
 	return gaBank_Users[ID].Flags;
 }
 
-int Bank_AlterUserBalance(int ID, int Delta)
+int Bank_SetUserFlags(int ID, int Mask, int Value)
 {
 	// Sanity
 	if( ID < 0 || ID >= giBank_NumUsers )
 		return -1;
+	
+	// Silently ignore changes to root and meta accounts
+	if( gaBank_Users[ID].UnixID <= 0 )	return 0;
+	
+	gaBank_Users[ID].Flags &= ~Mask;
+	gaBank_Users[ID].Flags |= Value;
 
-	// Update
-	gaBank_Users[ID].Balance += Delta;
-
-	// Commit
-	fseek(gBank_File, ID*sizeof(gaBank_Users[0]), SEEK_SET);
-	fwrite(&gaBank_Users[ID], sizeof(gaBank_Users[0]), 1, gBank_File);
+	Bank_int_WriteEntry(ID);
 	
 	return 0;
 }
 
-int Bank_SetUserBalance(int ID, int Value)
+int Bank_AlterUserBalance(int ID, int Delta)
 {
 	// Sanity
 	if( ID < 0 || ID >= giBank_NumUsers )
 		return -1;
 
 	// Update
-	gaBank_Users[ID].Balance = Value;
-	
-	// Commit
-	fseek(gBank_File, ID*sizeof(gaBank_Users[0]), SEEK_SET);
-	fwrite(&gaBank_Users[ID], sizeof(gaBank_Users[0]), 1, gBank_File);
+	gaBank_Users[ID].Balance += Delta;
+
+	Bank_int_WriteEntry(ID);
 	
 	return 0;
 }
 
 int Bank_GetMinAllowedBalance(int ID)
 {
+	 int	flags;
 	if( ID < 0 || ID >= giBank_NumUsers )
 		return 0;
 
-//	printf("gaBank_Users[%i].Flags = 0x%x\n", ID, gaBank_Users[ID].Flags);
+	flags = Bank_GetUserFlags(ID);
 
-	switch( gaBank_Users[ID].Flags & USER_FLAG_TYPEMASK )
-	{
-	case USER_TYPE_NORMAL:	return     0;
-	case USER_TYPE_COKE:	return  -2000;
-	case USER_TYPE_WHEEL:	return -10000;
-	case USER_TYPE_GOD:	return INT_MIN;
-	default:	return 0;
-	}
+	// Internal accounts have no limit
+	if( (flags & USER_FLAG_INTERNAL) )
+		return INT_MIN;
+
+	// Wheel is allowed to go to -$100
+	if( (flags & USER_FLAG_WHEEL) )
+		return -10000;
+	
+	// Coke is allowed to go to -$20
+	if( (flags & USER_FLAG_COKE) )
+		return -2000;
+
+	// For everyone else, no negative
+	return 0;
 }
 
 /**
@@ -124,18 +189,19 @@ int Bank_AddUser(const char *Username)
 	gaBank_Users[giBank_NumUsers].Flags = 0;
 	
 	if( strcmp(Username, COKEBANK_DEBT_ACCT) == 0 ) {
-		gaBank_Users[giBank_NumUsers].Flags = USER_TYPE_GOD;	// No minium
+		gaBank_Users[giBank_NumUsers].Flags = USER_FLAG_INTERNAL;
+	}
+	else if( strcmp(Username, COKEBANK_SALES_ACCT) == 0 ) {
+		gaBank_Users[giBank_NumUsers].Flags = USER_FLAG_INTERNAL;
 	}
 	else if( strcmp(Username, "root") == 0 ) {
-		gaBank_Users[giBank_NumUsers].Flags = USER_TYPE_GOD;	// No minium
+		gaBank_Users[giBank_NumUsers].Flags = USER_FLAG_WHEEL|USER_FLAG_COKE;
 	}
-	
-	// Commit to file
-	fseek(gBank_File, giBank_NumUsers*sizeof(gaBank_Users[0]), SEEK_SET);
-	fwrite(&gaBank_Users[giBank_NumUsers], sizeof(gaBank_Users[0]), 1, gBank_File);
 
 	// Increment count
 	giBank_NumUsers ++;
+	
+	Bank_int_WriteEntry(giBank_NumUsers - 1);
 
 	return 0;
 }