ef8bc60a174ca86469cc102d18c9a8c7d3188bf9
galt
  Tue Feb 11 01:24:49 2014 -0800
adding random sessionKey generation
diff --git src/hg/inc/cartDb.h src/hg/inc/cartDb.h
index b282c34..c8e88dd 100644
--- src/hg/inc/cartDb.h
+++ src/hg/inc/cartDb.h
@@ -1,76 +1,79 @@
 /* cartDb.h was originally generated by the autoSql program, which also 
  * generated cartDb.c and cartDb.sql.  This header links the database and
  * the RAM representation of objects. */
 
 #ifndef CARTDB_H
 #define CARTDB_H
 
 #ifndef JKSQL_H
 #include "jksql.h"
 #endif
 
 struct cartDb
 /* A simple id/contents pair for persistent storing of cart variables */
     {
     struct cartDb *next;  /* Next in singly linked list. */
     unsigned int id;	/* Cart ID */
     char *contents;	/* Contents - encoded variables */
     int reserved;	/* Reserved, currently always zero. */
     char *firstUse;	/* First time this was used */
     char *lastUse;	/* Last time this was used */
     int useCount;	/* Number of times used */
     char *sessionKey;	/* Random Key for session security */
     };
 
 boolean cartDbHasSessionKey(struct sqlConnection *conn, char *table);
 /* Check to see if the table has the sessionKey field */
 
 boolean cartDbUseSessionKey();
 /* Check settings and and state to determine if sessionKey is in use */
 
 void cartDbSecureId(char *buf, int bufSize, struct cartDb *cartDb);
 /* Return combined string of session id plus sessionKey in buf if turned on.*/
 
 unsigned int cartDbParseId(char *id, char **pSessionKey);
 /* Parse out and return just the numeric id from the id_sessionKey string. */
 
+char *cartDbMakeRandomKey(int numBits);
+/* Generate base64 encoding of a random key of at least size numBits returning string to be freed when done */
+
 void cartDbStaticLoad(char **row, struct cartDb *ret);
 /* Load a row from cartDb table into ret.  The contents of ret will
  * be replaced at the next call to this function. */
 
 struct cartDb *cartDbLoad(char **row);
 /* Load a cartDb from row fetched with select * from cartDb
  * from database.  Dispose of this with cartDbFree(). */
 
 struct cartDb *cartDbLoadAll(char *fileName);
 /* Load all cartDb from a tab-separated file.
  * Dispose of this with cartDbFreeList(). */
 
 struct cartDb *cartDbLoadWhere(struct sqlConnection *conn, char *table, char *where);
 /* Load all cartDb from table that satisfy where clause. The
  * where clause may be NULL in which case whole table is loaded
  * Dispose of this with cartDbFreeList(). */
 
 struct cartDb *cartDbCommaIn(char **pS, struct cartDb *ret);
 /* Create a cartDb out of a comma separated string. 
  * This will fill in ret if non-null, otherwise will
  * return a new cartDb */
 
 void cartDbFree(struct cartDb **pEl);
 /* Free a single dynamically allocated cartDb such as created
  * with cartDbLoad(). */
 
 void cartDbFreeList(struct cartDb **pList);
 /* Free a list of dynamically allocated cartDb's */
 
 void cartDbOutput(struct cartDb *el, FILE *f, char sep, char lastSep);
 /* Print out cartDb.  Separate fields with sep. Follow last field with lastSep. */
 
 #define cartDbTabOut(el,f) cartDbOutput(el,f,'\t','\n');
 /* Print out cartDb as a line in a tab-separated file. */
 
 #define cartDbCommaOut(el,f) cartDbOutput(el,f,',',',');
 /* Print out cartDb as a comma separated list including final comma. */
 
 #endif /* CARTDB_H */