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|
VOID_LINE "b-scan:"
LOCAL_IP "SourceAddress"
STATIC_MAC "StaticSpoofedMacAddress"
SPOOF_MAC "MacAddress"
INTERFACE "Interface"
SPREADMODE "SpreadScan"
PACKETS_PS "PacketsPerSecond"
PATIENCY "MaxWaitDelay"
VERBOSE "Verbose"
LOAD_MOD "addModule"
%{
/*
* options with a "bool" are allowed to take "yes", "1" and "true"
* and the negated counterparts (case insensitive) as argument.
* all others take their argument as supplyed on the command line.
*
*
* VOID_LINE lines beginning with this string will be passed directly to stderr
* LOCAL_IP -s option
* STATIC_MAC -m bool
* SPOOF_MAC -M
* INTERFACE -i
* SPREADMODE -X bool
* PACKETS_PS -l
* PATIENCY -d
* VERBOSE -v bool
* MODULE -L
*/
%}
%{
#include <bscan/cf_prse.h>
#include <bscan/module.h>
#include <string.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
/* defines from bscan.h. why not include? because it sucks! using libnet-config for pff! */
#define OPT_VERB 0x1
#define OPT_SETARP 0x4
#define OPT_SPREADSCAN 0x8
char *
getArg (char *s)
{
int x = strlen (s);
while (s[x] != ' ' && s[x] != '\t')
--x;
return (s + x + 1);
}
int
evaluateBoolArg (char *s)
{
s = getArg (s);
if (!strcasecmp (s, "yes") || !strcasecmp (s, "true") || !strcasecmp (s, "1"))
return (1);
else if (!strcasecmp (s, "no") || !strcasecmp (s, "false") || !strcasecmp (s, "0"))
return (0);
else
return (-1);
}
void
set_s_opt (char *s)
{
s = getArg (s);
FileOpt.srcAddr = inet_addr (s);
}
void
set_m_opt (char *s)
{
s = getArg (s);
if (evaluateBoolArg (s))
FileOpt.flags |= OPT_SETARP;
}
void set_M_opt (char *s)
{
s = getArg (s);
sscanf (s, "%hx:%hx:%hx:%hx:%hx:%hx", &FileOpt.mac[0], &FileOpt.mac[1],
&FileOpt.mac[2], &FileOpt.mac[3], &FileOpt.mac[4], &FileOpt.mac[5]);
}
void set_i_opt (char *s)
{
s = getArg (s);
FileOpt.device = (char *) malloc (strlen (s) + 1);
memset (FileOpt.device, 0, strlen (s) + 1);
memcpy (FileOpt.device, s, strlen (s));
}
void set_X_opt (char *s)
{
s = getArg (s);
if (evaluateBoolArg (s))
FileOpt.flags |= OPT_SPREADSCAN;
}
void set_l_opt (char *s)
{
s = getArg (s);
FileOpt.limit = atoi (s);
}
void set_d_opt (char *s)
{
s = getArg (s);
FileOpt.delay = atoi (s);
}
void set_v_opt (char *s)
{
s = getArg (s);
if (evaluateBoolArg (s))
FileOpt.flags |= OPT_VERB;
}
void set_L_opt (char *s)
{
s = s + strlen ("addModule") + 1;
while (*s == ' ' || *s == '\t')
s++;
loadinit_mod (s);
}
%}
%%
^{VOID_LINE}[\t !-?a-zA-Z0-9]* fprintf (stderr, "%s\n", yytext);
^{LOCAL_IP}[\t .0-9]* set_s_opt (yytext);
^{STATIC_MAC}[\t a-zA-Z0-9]* set_m_opt (yytext);
^{SPOOF_MAC}[\t :a-fA-F0-9]* set_M_opt (yytext);
^{INTERFACE}[\t a-zA-Z0-9]* set_i_opt (yytext);
^{SPREADMODE}[\t a-zA-Z0-9]* set_X_opt (yytext);
^{PACKETS_PS}[\t a-zA-Z0-9]* set_l_opt (yytext);
^{PATIENCY}[\t a-zA-Z0-9]* set_d_opt (yytext);
^{VERBOSE}[\t a-zA-Z0-9]* set_v_opt (yytext);
^{LOAD_MOD}[\t !-?\-_.:,;a-zA-Z0-9]* set_L_opt (yytext);
[\n\t a-zA-Z0-9]
.
%%
int yywrap () { return (1);}
int
readConfFile (char *s)
{
if ((yyin = fopen (s, "r")) == NULL)
return 0;
yylex ();
return 1;
}
|
