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#ifndef NMAP_NSE_UTILITY_H
#define NMAP_NSE_UTILITY_H
class Port;
class Target;
#ifdef HAVE_CONFIG_H
#include "nmap_config.h"
#else
#ifdef WIN32
#include "nmap_winconfig.h"
#endif /* WIN32 */
#endif /* HAVE_CONFIG_H */
#if HAVE_STDINT_H
#include <stdint.h>
#endif
/* int nseU_checkinteger (lua_State *L, int arg)
*
* Replacement for luaL_checkinteger that does a floor operation first
*/
int nseU_checkinteger (lua_State *L, int arg);
/* int nseU_traceback (lua_State *L)
*
* Traceback C Lua function.
*/
int nseU_traceback (lua_State *L);
/* int nseU_placeholder (lua_State *L)
*
* Placeholder C Lua function that simply throws a nil error.
*/
int nseU_placeholder (lua_State *L);
/* void nseU_tablen (lua_State *L, int idx) [-0, +0, -]
*
* Calculates the number of entries in the table by iterating over
* each key/value pair.
*/
size_t nseU_tablen (lua_State *L, int idx);
/* void nseU_setsfield (lua_State *L, int idx, [-0, +0, e]
* const char *field, const char *value)
*
* Sets the field for table at index idx to string value.
* (t[field] = value).
*/
void nseU_setsfield (lua_State *L, int idx, const char *field, const char *value);
/* void nseU_setnfield (lua_State *L, int idx, [-0, +0, e]
* const char *field, lua_Number value)
*
* Sets the field for table at index idx to numerical value.
* (t[field] = value).
*/
void nseU_setnfield (lua_State *L, int idx, const char *field, lua_Number value);
/* void nseU_setifield (lua_State *L, int idx, [-0, +0, e]
* const char *field, lua_Integer value)
*
* Sets the field for table at index idx to numerical value.
* (t[field] = value).
*/
void nseU_setifield (lua_State *L, int idx, const char *field, lua_Integer value);
/* void nseU_setbfield (lua_State *L, int idx, [-0, +0, e]
* const char *field, int value)
*
* Sets the field for table at index idx to boolean value.
* (t[field] = value).
*/
void nseU_setbfield (lua_State *L, int idx, const char *field, int value);
/* void nseU_appendfstr (lua_State *L, int idx, [-0, +0, m]
* const char *fmt, ...)
*
* Appends the formatted string to the table at index idx.
*/
void nseU_appendfstr (lua_State *L, int idx, const char *fmt, ...);
/* void nseU_weaktable (lua_State *L, int narr, int nrec, [-0, +1, e]
* const char *mode)
*
* Creates a table using lua_createtable with sizes narr and nrec. Creates
* a metatable with its __mode field set to mode.
*/
void nseU_weaktable (lua_State *L, int narr, int nrec, const char *mode);
/* int nseU_success (lua_State *L) [-0, +1, -]
*
* Indicates successful return of the running function by pushing
* boolean true and returning 1. Use as a tail call:
* return nseU_success(L);
*/
int nseU_success (lua_State *L);
/* int nseU_safeerror (lua_State *L, const char *fmt, ...) [-0, +1, -]
*
* Indicates unsuccessful return of the running function by pushing
* boolean false and and a formatted error message. Use as a tail call:
* return nseU_safeerror(L, "%s", "a generic error");
*/
int nseU_safeerror (lua_State *L, const char *fmt, ...);
/* void nseU_typeerror (lua_State *L, int idx, [-0, +1, v]
* const char *err)
*
* Raises a type error. Same as Lua 5.1.
*/
void nseU_typeerror (lua_State *L, int idx, const char *err);
/* void *nseU_checkudata (lua_State *L, int idx, [-0, +0, v]
* int upvalue, const char *name)
*
* Checks that value at index idx is a full userdata which a metatable
* equal to upvalue. name is the name of your object for error message
* purposes.
*/
void *nseU_checkudata (lua_State *L, int idx, int upvalue, const char *name);
/* void nseU_checktarget (lua_State *L, int idx, [-0, +0, v]
* const char **address,
* const char **targetname)
*
* Check for a valid target specification at index idx. This function checks
* for a string at idx or a table containing the typical host table fields,
* 'ip' and 'targetname' in particular.
*
* The address and targetname string pointers are only valid if the target
* specification persists.
*/
void nseU_checktarget (lua_State *L, int idx, const char **address, const char **targetname);
/* void nseU_opttarget (lua_State *L, int idx, [-0, +0, v]
* const char **address,
* const char **targetname)
*
* Like nseU_checktarget, but sets *address and *targetname to NULL and returns
* success if the argument at idx is none or nil.
*/
void nseU_opttarget (lua_State *L, int idx, const char **address, const char **targetname);
/* uint16_t nseU_checkport (lua_State *L, int idx, [-0, +0, v]
* const char **protocol)
*
* Check for a valid port specification at index idx.
*
* The protocol string pointer is only valid if the port specification
* persists.
*/
uint16_t nseU_checkport (lua_State *L, int idx, const char **protocol);
/* Target *nseU_gettarget (lua_State *L, int idx) [-0, +0, v]
*
* This function checks the value at index for a valid host table. It locates
* the associated Target (C++) class object associated with the host and
* returns it. If the Target is not being scanned then an error will be raised.
*/
Target *nseU_gettarget (lua_State *L, int idx);
/* Port *nseU_getport (lua_State *L, Target *target, [-0, +0, v]
* Port *port, int idx)
*
* This function checks the value at index for a valid port table. It locates
* the associated Port (C++) class object associated with the host and
* returns it.
*/
Port *nseU_getport (lua_State *L, Target *target, Port *port, int idx);
#endif
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