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This commit is contained in:
Jack Halford 2017-10-26 00:53:21 +02:00
parent 7940136560
commit d9955513c0
20 changed files with 318 additions and 438 deletions
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10
nmap/Makefile
View file

@ -31,12 +31,12 @@ INC_DIR = includes/
OBJ_DIR = objs/ OBJ_DIR = objs/
SRC_BASE = \ SRC_BASE = \
format.c\ scanners.c\
ip.c\
listener.c\
main.c\
parser.c\ parser.c\
scanners.c main.c\
capture.c\
format.c\
ip.c
SRCS = $(addprefix $(SRC_DIR), $(SRC_BASE)) SRCS = $(addprefix $(SRC_DIR), $(SRC_BASE))
OBJS = $(addprefix $(OBJ_DIR), $(SRC_BASE:.c=.o)) OBJS = $(addprefix $(OBJ_DIR), $(SRC_BASE:.c=.o))

2
nmap/includes/nmap.h
View file

@ -95,7 +95,7 @@ chan nmap_parse(int ac, char **av);
void nmap_format(chan results); void nmap_format(chan results);
coroutine void nmap_scan_tcp(chan results, t_job job); coroutine void nmap_scan_tcp(chan results, t_job job);
chan nmap_listener(ipaddr dst, ipaddr src); pcap_t *nmap_capture(ipaddr dst, ipaddr src);
/* /*
** IP helpers ** IP helpers

337
nmap/libft/Makefile
View file

@ -24,191 +24,190 @@ OBJ_DIR = objs/
SRC_BASE = \ SRC_BASE = \
btree/btree_apply_by_level.c\ btree/btree_apply_by_level.c\
btree/btree_apply_infix.c\
btree/btree_apply_prefix.c\
btree/btree_apply_suffix.c\
btree/btree_create_node.c\
btree/btree_del.c\ btree/btree_del.c\
btree/btree_delone.c\ btree/btree_delone.c\
btree/btree_insert_data.c\
btree/btree_level_count.c\
btree/btree_map.c\
btree/btree_print.c\
btree/btree_search_item.c\ btree/btree_search_item.c\
char/ft_isalnum.c\ btree/btree_create_node.c\
char/ft_isalpha.c\ btree/btree_apply_suffix.c\
char/ft_isascii.c\ btree/btree_level_count.c\
char/ft_isdigit.c\ btree/btree_insert_data.c\
char/ft_isprint.c\ btree/btree_apply_prefix.c\
char/ft_tolower.c\ btree/btree_print.c\
char/ft_toupper.c\ btree/btree_apply_infix.c\
cliopts/cliopts_get.c\ btree/btree_map.c\
cliopts/cliopts_getmap.c\
color/ft_color_mk.c\
color/ft_color_mkif.c\
color/ft_color_reset.c\
color/ft_color_set.c\
dlst/ft_dlstadd_after.c\
dlst/ft_dlstadd_before.c\
dlst/ft_dlstdel.c\
dlst/ft_dlstdelone.c\
dlst/ft_dlstlast.c\
dlst/ft_dlstnew.c\
dlst/ft_dlstrtostr.c\
dlst/ft_dlstsize.c\
error/error.c\
error/ft_usage.c\
ft_printf/ft_conversion.c\
ft_printf/ft_fmt_simplify.c\
ft_printf/ft_fmt_validate_conv.c\
ft_printf/ft_fmt_validate_flags.c\
ft_printf/ft_fmt_validate_mod.c\
ft_printf/ft_printf.c\
ft_printf/ft_printf_color.c\
ft_printf/ft_printf_parse.c\
ft_printf/ft_transform.c\
ft_printf/ft_vprintf.c\
ft_printf/lib_fmt.c\
ft_printf/lib_fmt_error.c\
ft_printf/lib_pad.c\
ft_printf/lib_pad_sharp.c\
get_next_line/get_next_line.c\
lst/ft_id.c\
lst/ft_lst2str.c\
lst/ft_lst_at.c\
lst/ft_lst_bfree.c\
lst/ft_lst_cfree.c\
lst/ft_lst_delif.c\
lst/ft_lst_delsub.c\
lst/ft_lst_filter.c\
lst/ft_lst_filterout.c\
lst/ft_lst_find.c\
lst/ft_lst_merge.c\
lst/ft_lst_order_delsub.c\
lst/ft_lst_pop.c\
lst/ft_lst_print.c\
lst/ft_lst_print2.c\
lst/ft_lst_removeif.c\
lst/ft_lst_reverse.c\
lst/ft_lst_size.c\
lst/ft_lst_sorted_insert.c\
lst/ft_lst_sorted_merge.c\
lst/ft_lstadd.c\
lst/ft_lstdel.c\
lst/ft_lstdelone.c\
lst/ft_lsteadd.c\
lst/ft_lstiter.c\
lst/ft_lstlast.c\
lst/ft_lstmap.c\
lst/ft_lstnadd.c\
lst/ft_lstnew.c\
lst/ft_lstnew_range.c\
lst/ft_lstsort.c\
lst/lst_insert_sort.c\
lst/pop.c\
lst/push.c\
lst/top.c\
math/bitfield.c\
math/ft_addrcmp.c\
math/ft_ilen.c\
math/ft_ilen_base.c\
math/ft_itoa.c\
math/ft_itoa_base.c\
math/ft_lllen.c\
math/ft_lllen_base.c\
math/ft_lltoa_base.c\
math/ft_uilen.c\
math/ft_uitoa_base.c\
math/ft_ulltoa_base.c\
math/id.c\
mem/ft_bzero.c\
mem/ft_malloc.c\
mem/ft_memalloc.c\
mem/ft_memccpy.c\
mem/ft_memchr.c\
mem/ft_memcmp.c\
mem/ft_memcpy.c\
mem/ft_memdel.c\
mem/ft_memmove.c\
mem/ft_memset.c\
mem/ft_realloc.c\
net/cksum.c\
net/create_client.c\
net/create_server.c\
net/host.c\
net/ip.c\
net/net_get.c\
net/net_send.c\
net/prettypacket.c\
net/reserve_port.c\
net/tcp.c\
path/ft_path_notdir.c\
printing/ft_putchar.c\ printing/ft_putchar.c\
printing/ft_putendl.c\ printing/ft_putendl.c\
printing/hexdump.c\
printing/ft_putnbr.c\ printing/ft_putnbr.c\
printing/ft_putstr.c\ printing/ft_putstr.c\
printing/hexdump.c\ cliopts/cliopts_getmap.c\
rs/rs.c\ cliopts/cliopts_get.c\
sstr/ft_sstradd.c\ error/error.c\
sstr/ft_sstrcat.c\ error/ft_usage.c\
get_next_line/get_next_line.c\
path/ft_path_notdir.c\
lst/ft_lst_at.c\
lst/ft_lst_size.c\
lst/ft_lst_sorted_merge.c\
lst/ft_id.c\
lst/ft_lstnew.c\
lst/ft_lst_bfree.c\
lst/push.c\
lst/ft_lstadd.c\
lst/ft_lstsort.c\
lst/ft_lst_find.c\
lst/ft_lstnew_range.c\
lst/ft_lst_print.c\
lst/top.c\
lst/ft_lstnadd.c\
lst/ft_lst_reverse.c\
lst/ft_lst_filter.c\
lst/ft_lst_delif.c\
lst/ft_lstdelone.c\
lst/ft_lst_order_delsub.c\
lst/ft_lsteadd.c\
lst/ft_lst_print2.c\
lst/ft_lst_pop.c\
lst/ft_lst_cfree.c\
lst/ft_lst2str.c\
lst/ft_lst_removeif.c\
lst/ft_lstlast.c\
lst/ft_lst_delsub.c\
lst/ft_lst_filterout.c\
lst/lst_insert_sort.c\
lst/ft_lst_sorted_insert.c\
lst/ft_lstiter.c\
lst/pop.c\
lst/ft_lstmap.c\
lst/ft_lstdel.c\
lst/ft_lst_merge.c\
sstr/ft_sstrmerge.c\
sstr/ft_sstrstr.c\
sstr/ft_sstrsort.c\
sstr/ft_sstrdel.c\ sstr/ft_sstrdel.c\
sstr/ft_sstrdup.c\ sstr/ft_sstrdup.c\
sstr/ft_sstradd.c\
sstr/ft_sstrcat.c\
sstr/ft_sstrfree.c\ sstr/ft_sstrfree.c\
sstr/ft_sstrmerge.c\
sstr/ft_sstrprint.c\ sstr/ft_sstrprint.c\
sstr/ft_sstrprint_fd.c\ sstr/ft_sstrprint_fd.c\
sstr/ft_sstrsort.c\ char/ft_toupper.c\
sstr/ft_sstrstr.c\ char/ft_isprint.c\
str/ft_atoi.c\ char/ft_isalpha.c\
str/ft_convert_base.c\ char/ft_isascii.c\
str/ft_putaddr_fd.c\ char/ft_tolower.c\
str/ft_split_whitespaces.c\ char/ft_isalnum.c\
str/ft_str3join.c\ char/ft_isdigit.c\
str/ft_strappend.c\ color/ft_color_set.c\
str/ft_strbetween.c\ color/ft_color_reset.c\
str/ft_strcat.c\ color/ft_color_mk.c\
str/ft_strcatf.c\ color/ft_color_mkif.c\
str/ft_strchr.c\ net/host.c\
str/ft_strchrcpy.c\ net/create_client.c\
str/ft_strclr.c\ net/net_get.c\
str/ft_strcmp.c\ net/net_send.c\
str/ft_strcpy.c\ net/reserve_port.c\
str/ft_strcspn.c\ net/tcp.c\
str/ft_strcut.c\ net/prettypacket.c\
str/ft_strdel.c\ net/ip.c\
str/ft_strdup.c\ net/create_server.c\
str/ft_strdupchr.c\ net/cksum.c\
str/ft_strduptr.c\ dlst/ft_dlstrtostr.c\
str/ft_strequ.c\ dlst/ft_dlstdel.c\
str/ft_strinsert.c\ dlst/ft_dlstadd_after.c\
str/ft_stris.c\ dlst/ft_dlstdelone.c\
str/ft_striter.c\ dlst/ft_dlstsize.c\
str/ft_striteri.c\ dlst/ft_dlstadd_before.c\
str/ft_strjoin.c\ dlst/ft_dlstnew.c\
str/ft_strlcat.c\ dlst/ft_dlstlast.c\
str/ft_strlen.c\ rs/rs.c\
str/ft_strlenchr.c\ mem/ft_memmove.c\
str/ft_strmap.c\ mem/ft_realloc.c\
str/ft_strmapi.c\ mem/ft_memcpy.c\
str/ft_strncat.c\ mem/ft_memchr.c\
str/ft_strncmp.c\ mem/ft_malloc.c\
str/ft_strncpy.c\ mem/ft_memalloc.c\
str/ft_strndup.c\ mem/ft_memset.c\
str/ft_strnequ.c\ mem/ft_memdel.c\
str/ft_strnew.c\ mem/ft_memcmp.c\
str/ft_strnstr.c\ mem/ft_bzero.c\
str/ft_strrchr.c\ mem/ft_memccpy.c\
str/ft_strreplace.c\ time/epoch.c\
str/ft_strrev.c\
str/ft_strsepjoin.c\
str/ft_strsplit.c\
str/ft_strstr.c\ str/ft_strstr.c\
str/ft_strsub.c\ str/ft_strlenchr.c\
str/ft_strtok.c\ str/ft_strcpy.c\
str/ft_str3join.c\
str/ft_striteri.c\
str/ft_strappend.c\
str/ft_strclr.c\
str/ft_strnew.c\
str/ft_strmapi.c\
str/ft_strcatf.c\
str/ft_strdup.c\
str/ft_striter.c\
str/ft_strncmp.c\
str/ft_strtrim.c\ str/ft_strtrim.c\
str/ft_strduptr.c\
str/ft_split_whitespaces.c\
str/ft_strbetween.c\
str/ft_strdupchr.c\
str/ft_strsub.c\
str/ft_strsepjoin.c\
str/ft_strlcat.c\
str/ft_strcspn.c\
str/ft_strchr.c\
str/ft_strequ.c\
str/ft_strcat.c\
str/ft_strlen.c\
str/ft_strsplit.c\
str/ft_strrchr.c\
str/ft_strjoin.c\
str/ft_strncat.c\
str/ft_strmap.c\
str/ft_strcmp.c\
str/ft_putaddr_fd.c\
str/ft_strchrcpy.c\
str/ft_strrev.c\
str/ft_strinsert.c\
str/ft_strnequ.c\
str/hexstring.c\ str/hexstring.c\
str/ft_strncpy.c\
str/ft_strcut.c\
str/ft_strndup.c\
str/ft_convert_base.c\
str/ft_strreplace.c\
str/ft_atoi.c\
str/ft_stris.c\
str/ft_strdel.c\
str/ft_strtok.c\
str/ft_strnstr.c\
sys/open_new.c\ sys/open_new.c\
time/epoch.c ft_printf/ft_conversion.c\
ft_printf/lib_fmt.c\
ft_printf/ft_printf_parse.c\
ft_printf/ft_fmt_simplify.c\
ft_printf/ft_vprintf.c\
ft_printf/ft_transform.c\
ft_printf/ft_printf_color.c\
ft_printf/ft_printf.c\
ft_printf/lib_pad_sharp.c\
ft_printf/ft_fmt_validate_mod.c\
ft_printf/lib_pad.c\
ft_printf/lib_fmt_error.c\
ft_printf/ft_fmt_validate_conv.c\
ft_printf/ft_fmt_validate_flags.c\
math/ft_uilen.c\
math/ft_ilen_base.c\
math/ft_ilen.c\
math/ft_itoa_base.c\
math/ft_lllen_base.c\
math/ft_addrcmp.c\
math/ft_lllen.c\
math/ft_itoa.c\
math/ft_lltoa_base.c\
math/id.c\
math/ft_ulltoa_base.c\
math/ft_uitoa_base.c
SRCS = $(addprefix $(SRC_DIR), $(SRC_BASE)) SRCS = $(addprefix $(SRC_DIR), $(SRC_BASE))
OBJS = $(addprefix $(OBJ_DIR), $(SRC_BASE:.c=.o)) OBJS = $(addprefix $(OBJ_DIR), $(SRC_BASE:.c=.o))

2
nmap/libft/includes/error.h
View file

@ -21,7 +21,7 @@
*/ */
# define DG_MSG "{inv}{ran}%5i{yel}%21s {bol}{blu}%-3d{eoc}" # define DG_MSG "{inv}{ran}%5i{yel}%21s {bol}{blu}%-3d{eoc}"
# define DG_ARGS getpid(), getpid(), ft_path_notdir(__FILE__), __LINE__ # define DG_ARGS getpid(), getpid(), ft_path_notdir(__FILE__), __LINE__
# define DG(s, ...) ft_dprintf(STDBUG,DG_MSG s "{eoc}\n",DG_ARGS,##__VA_ARGS__) # define DG(s, ...) ft_dprintf(STDERR,DG_MSG s "{eoc}\n",DG_ARGS,##__VA_ARGS__)
/* /*
** DEBUG with no malloc ** DEBUG with no malloc

4
nmap/libft/includes/mytime.h → nmap/libft/includes/ft_time.h
View file

@ -10,8 +10,8 @@
/* */ /* */
/* ************************************************************************** */ /* ************************************************************************** */
#ifndef MYTIME_H #ifndef TIME_H
# define MYTIME_H # define TIME_H
# include <sys/time.h> # include <sys/time.h>

5
nmap/libft/includes/libft.h
View file

@ -20,7 +20,8 @@
# include <unistd.h> # include <unistd.h>
# include <stdio.h> # include <stdio.h>
# include <stdlib.h> # include <stdlib.h>
# include <time.h> # include <stdint.h>
# include <ft_time.h>
# include "ft_types.h" # include "ft_types.h"
# include "error.h" # include "error.h"
@ -35,7 +36,7 @@
# include "str.h" # include "str.h"
# include "sstr.h" # include "sstr.h"
# include "math.h" # include "math.h"
# include "mytime.h" # include "time.h"
# include "get_next_line.h" # include "get_next_line.h"
# include "sys.h" # include "sys.h"
# include "net.h" # include "net.h"

10
nmap/libft/includes/math.h
View file

@ -36,14 +36,4 @@ size_t ft_lllen_base(long long n, int base);
int ft_addrcmp(void *a, void *b); int ft_addrcmp(void *a, void *b);
void *id(void *data); void *id(void *data);
typedef uint64_t t_bitblock;
#define BITFIELD(var, size) t_bitblock var[size / sizeof(t_bitblock) + 1]\
= {[0] = size}
#define BLOCKSIZE (8 * sizeof(t_bitblock))
extern inline void bitfield_biton(t_bitblock field[], uint64_t bit);
extern inline void bitfield_bitoff(t_bitblock field[], uint64_t bit);
extern inline uint64_t bitfield_lsb(t_bitblock field[]);
#endif #endif

7
nmap/libft/includes/net.h
View file

@ -26,14 +26,14 @@
# include <netinet/ip_icmp.h> # include <netinet/ip_icmp.h>
# include <arpa/inet.h> # include <arpa/inet.h>
# include "mytime.h" # include "ft_time.h"
/* /*
** utilities ** utilities
*/ */
int reserve_port(int s, struct sockaddr *sa); int reserve_port(int s, struct sockaddr *sa);
unsigned short cksum(void *b, int len); unsigned short cksum(const void *b, size_t len);
int host_format(struct sockaddr *addr); int host_format(struct sockaddr *addr);
/* /*
@ -69,5 +69,8 @@ void tcp_hdrinit(struct tcphdr *header);
** prettypacket ** prettypacket
*/ */
int prettypacket(void *pkt, size_t size); int prettypacket(void *pkt, size_t size);
void tcp_print(const char *packet_buffer, int size);
void udp_print(const char *packet_buffer, int size);
#endif #endif

72
nmap/libft/includes/prettypacket.h
View file

@ -18,78 +18,6 @@
#include <string.h> #include <string.h>
#include "hexstring.h" #include "hexstring.h"
/**
* Enable disable colored output (enabled by default)
*/
static int colored_output = 1;
/**
* List of available colors
*/
static const char *colors[] = {
/// Black
"\\e[0;30m",
/// Red
"\\e[0;31m",
/// Green
"\\e[0;32m",
/// Yellow
"\\e[0;33m",
/// Blue
"\\e[0;34m",
/// Purple
"\\e[0;35m",
/// Cyan
"\\e[0;36m",
/// White
"\\e[0;37m",
};
/**
* Reset color
*/
static const char *color_reset = "\\e[0m";
/**
* Default terminal rows
*/
static const int rows = 24;
/**
* Default terminal columns
*/
static const int cols = 80;
/**
* Example ARP packet
*/
static const char arp_packet[] = "\xFF\xFF\xFF\xFF\xFF\xFF\xAA\x00\x04\x00\x0A\x04\x08\x06\x00\x01\x08\x00\x06\x04\x00\x01\xAA\x00\x04\x00\x0A\x04\xC0\xA8\x01\x09\x00\x00\x00\x00\x00\x00\xC0\xA8\x01\x04";
/**
* Example TCP packet
*/
static const char tcp_packet[] = "\x1C\xAF\xF7\x6B\x0E\x4D\xAA\x00\x04\x00\x0A\x04\x08\x00\x45\x00\x00\x34\x5A\xAE\x40\x00\x40\x06\x5E\x67\xC0\xA8\x01\x09\x58\xBF\x67\x3E\x9B\x44\x00\x50\x8E\xB5\xC6\xAC\x15\x93\x47\x9E\x80\x10\x00\x58\xA5\xA0\x00\x00\x01\x01\x08\x0A\x00\x09\xC3\xB2\x42\x5B\xFA\xD6";
/**
* Example ICMP packet
*/
static const char icmp_packet[] = "\x1C\xAF\xF7\x6B\x0E\x4D\xAA\x00\x04\x00\x0A\x04\x08\x00\x45\x00\x00\x54\x00\x00\x40\x00\x40\x01\x54\x4E\xC0\xA8\x01\x09\xC0\xA8\x64\x01\x08\x00\x34\x98\xD7\x10\x00\x01\x5B\x68\x98\x4C\x00\x00\x00\x00\x2D\xCE\x0C\x00\x00\x00\x00\x00\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2A\x2B\x2C\x2D\x2E\x2F\x30\x31\x32\x33\x34\x35\x36\x37";
/**
* Example UDP packet
*/
static const char udp_packet[] = "\x1C\xAF\xF7\x6B\x0E\x4D\xAA\x00\x04\x00\x0A\x04\x08\x00\x45\x00\x00\x3C\x9B\x23\x00\x00\x40\x11\x70\xBC\xC0\xA8\x01\x09\xD0\x43\xDC\xDC\x91\x02\x00\x35\x00\x28\x6F\x0B\xAE\x9C\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x03\x77\x77\x77\x06\x67\x6F\x6F\x67\x6C\x65\x03\x63\x6F\x6D\x00\x00\x01\x00\x01";
/**
* Example IGMP packet
*/
static const char igmp_packet[] = "\x1C\xAF\xF7\x6B\x0E\x4D\xAA\x00\x04\x00\x0A\x04\x08\x00\x45\x00\x00\x1C\x00\x00\x40\x00\x40\x02\x54\x4E\xC0\xA8\x01\x09\xC0\xA8\x64\x01\x11\xFF\x0D\xFF\xE0\x00\x00\x01";
/**
* Example Spanning Tree Protocol (STP) packet
*/
static const char stp_packet[]="\x01\x80\xc2\x00\x00\x00\x00\x1c\x0e\x87\x85\x04\x00\x26\x42\x42\x03\x00\x00\x00\x00\x00\x80\x64\x00\x1c\x0e\x87\x78\x00\x00\x00\x00\x04\x80\x64\x00\x1c\x0e\x87\x85\x00\x80\x04\x01\x00\x14\x00\x02\x00\x0f\x00";
// functions that need prototypes // functions that need prototypes
void layer_2_dispatcher(const char *, int, uint64_t); void layer_2_dispatcher(const char *, int, uint64_t);
void layer_3_dispatcher(const char *, int, uint64_t); void layer_3_dispatcher(const char *, int, uint64_t);

67
nmap/libft/srcs/math/bitfield.c
View file

@ -1,67 +0,0 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* bitfield.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/10/09 14:44:16 by jhalford #+# #+# */
/* Updated: 2017/10/24 21:04:39 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
#include <stdlib.h>
/*
** ==== Wrapper around GCC builtins for ====
** ==== arbitrarily large sized bitfields ====
**
** todo
** - up and down iterator
**
*/
/*
** Turn bit on
*/
extern inline void bitfield_biton(t_bitblock field[], uint64_t bit)
{
field[bit / BLOCKSIZE + 1] |= (1 << (bit % BLOCKSIZE));
}
/*
** Turn bit off
*/
extern inline void bitfield_bitoff(t_bitblock field[], uint64_t bit)
{
field[bit / BLOCKSIZE + 1] &= ~(1 << bit % BLOCKSIZE);
}
/*
** Least Significant Bit (rightmost)
*/
extern inline uint64_t bitfield_lsb(t_bitblock field[])
{
int block;
uint64_t size;
block = 0;
size = field[0];
while (!field[++block])
if ((block+1) * BLOCKSIZE > size) return (-1);
return (block * BLOCKSIZE + __builtin_ctzll(field[block] ^ (~field[block] + 1)) - 1);
}
/*
** Count the number of 1-bits in field
*/
extern inline uint64_t bitfield_popcount(t_bitblock field[], uint64_t size)
{
int block = -1;
int count = 0;
while (++block * BLOCKSIZE < size)
count += __builtin_popcountll(field[block]);
return (count);
}

13
nmap/libft/srcs/net/cksum.c
View file

@ -12,20 +12,19 @@
#include "net.h" #include "net.h"
unsigned short cksum(void *b, int len) unsigned short cksum(const void *b, size_t len)
{ {
unsigned short *buf;
unsigned int sum; unsigned int sum;
buf = b;
sum = 0; sum = 0;
while (len > 1) while (len > 1)
{ {
sum += *((unsigned short*)buf++); sum += *((uint16_t*)b++);
b++;
len -= 2; len -= 2;
} }
if (len == 1) if (len == 1)
sum += *(unsigned char*)buf; sum += *(uint8_t*)b;
sum = (sum >> 16) + (sum & 0xFFFF); while (sum >> 16) sum = (sum & 0xFFFF)+(sum >> 16);
return (~(sum + (sum >> 16))); return (~sum);
} }

58
nmap/libft/srcs/net/prettypacket.c
View file

@ -35,6 +35,38 @@ enum packet_type {
stp stp
}; };
/**
* List of available colors
*/
static const char *colors[] = {
/// Black
"\\e[0;30m",
/// Red
"\\e[0;31m",
/// Green
"\\e[0;32m",
/// Yellow
"\\e[0;33m",
/// Blue
"\\e[0;34m",
/// Purple
"\\e[0;35m",
/// Cyan
"\\e[0;36m",
/// White
"\\e[0;37m",
};
/**
* Default terminal rows
*/
static const int rows = 24;
/**
* Default terminal columns
*/
static const int cols = 80;
/* /*
** Packets disassembling loop ** Packets disassembling loop
** layer 2: isl, llc1, llc2, ethenet or payload ** layer 2: isl, llc1, llc2, ethenet or payload
@ -115,11 +147,22 @@ static inline void field_print (const char *packet_buffer, int field_size,
int *counter, const char *field_text) { int *counter, const char *field_text) {
char *tmp_hexstr = raw_to_hexstr(packet_buffer + *counter, field_size); char *tmp_hexstr = raw_to_hexstr(packet_buffer + *counter, field_size);
*counter += field_size;
printf(" %-24s %s\n", tmp_hexstr, field_text); printf(" %-24s %s", tmp_hexstr, field_text);
if (strstr(field_text, "port") && field_size == 2)
{
short port = *(short*)(packet_buffer + *counter);
char service[20];
struct sockaddr sa;
((struct sockaddr_in *)&sa)->sin_family = AF_INET;
((struct sockaddr_in *)&sa)->sin_port = port;
getnameinfo(&sa, sizeof sa, NULL, 0, service, sizeof service, 0);
printf(" (%s)", service);
}
printf("\n");
free(tmp_hexstr); free(tmp_hexstr);
*counter += field_size;
} }
/** /**
@ -163,10 +206,13 @@ void payload_print (const char *packet_buffer, int size) {
* @param packet_buffer raw packet captured from the network, starting at the part to process * @param packet_buffer raw packet captured from the network, starting at the part to process
* @param size packet_buffer size * @param size packet_buffer size
*/ */
void tcp_print (const char *packet_buffer, int size) { void tcp_print(const char *packet_buffer, int size) {
int counter = 0; int counter = 0;
unsigned short check = cksum(packet_buffer, 20);
puts("\nTCP Header:"); if (check == 0)
printf("\nTCP Header: (20 bytes), cksum OK\n");
else
printf("\nTCP Header: (20 bytes), cksum incorrect, malformed packet! (%x)\n", check);
if (size < 8) { if (size < 8) {
puts (" invalid header size"); puts (" invalid header size");
@ -197,7 +243,7 @@ void tcp_print (const char *packet_buffer, int size) {
void udp_print (const char *packet_buffer, int size) { void udp_print (const char *packet_buffer, int size) {
int counter = 0; int counter = 0;
puts("\nUDP Header:"); puts("\nUDP Header: (8 bytes)");
if (size < 8) { if (size < 8) {
puts (" invalid header size"); puts (" invalid header size");

3
nmap/libft/srcs/net/tcp.c
View file

@ -17,7 +17,8 @@ void tcp_hdrinit(struct tcphdr *header)
memset(header, 0, sizeof(*header)); memset(header, 0, sizeof(*header));
header->th_sport = htons(0); header->th_sport = htons(0);
header->th_dport = htons(0); header->th_dport = htons(0);
header->th_seq = epoch_micro(); /* header->th_seq = epoch_micro(); */
header->th_seq = 0;
header->th_ack = 0; header->th_ack = 0;
header->th_off = 5; header->th_off = 5;
header->th_flags = 0; header->th_flags = 0;

2
nmap/libft/srcs/time/epoch.c
View file

@ -10,7 +10,7 @@
/* */ /* */
/* ************************************************************************** */ /* ************************************************************************** */
#include "mytime.h" #include "ft_time.h"
uint64_t epoch_micro(void) uint64_t epoch_micro(void)
{ {

36
nmap/srcs/capture.c Normal file
View file

@ -0,0 +1,36 @@
#include "nmap.h"
#define PCAP_FILTER "src host %s and src port %i and dst host %s and dst port %i"
pcap_t *nmap_capture(ipaddr dst, ipaddr src)
{
char errbuf[PCAP_ERRBUF_SIZE];
pcap_t *handle;
bpf_u_int32 netp;
bpf_u_int32 maskp;
char buf[IPADDR_MAXSTRLEN];
struct bpf_program fp;
char str[100];
if (pcap_lookupnet("any", &netp, &maskp, errbuf) == -1)
{
exit(EXIT_FAILURE);
}
if (!(handle = pcap_open_live("any", BUFSIZ, 0, -1, errbuf)))
{
fprintf(stderr, "pcap_open_live: %s", errbuf);
exit(EXIT_FAILURE);
}
if (pcap_setdirection(handle, PCAP_D_IN))
exit(EXIT_FAILURE);
if (!(sprintf(str, PCAP_FILTER, ipaddrstr(dst, buf), ipport(dst),
ipaddrstr(src, buf), ipport(src))))
exit(EXIT_FAILURE);
DG("filter is: %s", str);
if (pcap_compile(handle, &fp, str, 1, netp) == -1)
exit(EXIT_FAILURE);
if (pcap_setfilter(handle, &fp) == -1)
exit(EXIT_FAILURE);
return (handle);
}

2
nmap/srcs/format.c
View file

@ -38,5 +38,5 @@ void nmap_format(chan results)
g_port_status[result.status], g_port_status[result.status],
result.scan); result.scan);
} }
printf("finished reading %i jobs\n", g_njobs); DG("finished reading %i jobs\n", g_njobs);
} }

70
nmap/srcs/listener.c
View file

@ -1,70 +0,0 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* listener.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/10/23 19:16:39 by jhalford #+# #+# */
/* Updated: 2017/10/24 21:28:44 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
#include "nmap.h"
#define PCAP_FILTER\
"src host %s and src port %i and dst host %s and dst port %i"
static void packet_callback(u_char *arg, const struct pcap_pkthdr *pkthdr,
const u_char *packet)
{
(void)pkthdr;
(void)packet;
chan ch = (chan)arg;
ft_printf("received packet !!!\n");
prettypacket((void*)packet, pkthdr->len);
(void)ch;
/* chs(ch, struct tcphdr, *(t_tcp_packet*)packet); */
}
coroutine void listener_loop(chan ch, pcap_t *pcap_obj)
{
ft_printf("listener loop\n");
if (pcap_loop(pcap_obj, -1, packet_callback, (u_char*)ch) == -1)
{
ft_printf("pcap_loop fail\n");
exit(EXIT_FAILURE);
}
}
chan nmap_listener(ipaddr dst, ipaddr src)
{
char errbuf[PCAP_ERRBUF_SIZE];
pcap_t *pcap_obj;
bpf_u_int32 netp;
bpf_u_int32 maskp;
struct bpf_program fp;
char str[100];
chan pkts;
pkts = chmake(struct tcphdr, 10);
if (pcap_lookupnet("any", &netp, &maskp, errbuf) == -1)
{
exit(EXIT_FAILURE);
}
if (!(pcap_obj = pcap_open_live("any", BUFSIZ, 0, -1, errbuf)))
{
fprintf(stderr, "pcap_open_live: %s", errbuf);
exit(EXIT_FAILURE);
}
if (!(sprintf(str, PCAP_FILTER, ipaddrstr(dst, str), ipport(dst),
ipaddrstr(src, str), ipport(src))))
exit(EXIT_FAILURE);
if (pcap_compile(pcap_obj, &fp, str, 1, netp) == -1)
exit(EXIT_FAILURE);
if (pcap_setfilter(pcap_obj, &fp) == -1)
exit(EXIT_FAILURE);
go(listener_loop(pkts, pcap_obj));
return (chdup(pkts));
}

13
nmap/srcs/main.c
View file

@ -24,9 +24,11 @@ coroutine void jobs_loop(chan jobs, chan results)
int i; int i;
i = 0; i = 0;
while (true) while (1)
{ {
DG("before chr jobs");
job = chr(jobs, t_job); job = chr(jobs, t_job);
DG("after chr jobs");
if (job.scan == NULL) if (job.scan == NULL)
break ; break ;
copy = chdup(results); copy = chdup(results);
@ -52,15 +54,10 @@ int main(int ac, char **av)
/* if (getuid() != 0) */ /* if (getuid() != 0) */
/* { */ /* { */
/* fprintf(stderr, "You must have root privileges to use nmap!\n"); */ /* fprintf(stderr, "You must have root privileges to use nmap\n"); */
/* return(1); */ /* return(1); */
/* } */ /* } */
if ((jobs = nmap_parse(ac, av)) < 0) jobs = nmap_parse(ac, av);
{
printf("usage: nmap --help\n");
printf("or nmap"NMAP_USAGE1 NMAP_USAGE2"\n");
exit(1);
}
results = nmap(jobs); results = nmap(jobs);
nmap_format(results); nmap_format(results);
return (0); return (0);

14
nmap/srcs/parser.c
View file

@ -108,10 +108,11 @@ coroutine void coarse_dispatcher(chan jobs)
job.dest = ipremote("scanme.nmap.org", 80, IPADDR_IPV4, -1); job.dest = ipremote("scanme.nmap.org", 80, IPADDR_IPV4, -1);
chs(jobs, t_job, job); chs(jobs, t_job, job);
job.dest = ipremote("scanme.nmap.org", 81, IPADDR_IPV4, -1); /* job.dest = ipremote("scanme.nmap.org", 81, IPADDR_IPV4, -1); */
chs(jobs, t_job, job); /* chs(jobs, t_job, job); */
job.scan = 0; job.scan = 0;
DG("sending done job");
chdone(jobs, t_job, job); chdone(jobs, t_job, job);
chclose(jobs); chclose(jobs);
} }
@ -127,8 +128,11 @@ chan nmap_parse(int ac, char **av)
chan jobs; chan jobs;
jobs = chmake(t_job, 0); jobs = chmake(t_job, 0);
go(coarse_dispatcher(jobs));
g_njobs = 2;
return (jobs); /* ft_usage("nmap"NMAP_USAGE1 NMAP_USAGE2); */
go(coarse_dispatcher(jobs));
g_njobs = 1;
return (chdup(jobs));
} }

27
nmap/srcs/scanners.c
View file

@ -15,13 +15,17 @@
coroutine void nmap_scan_tcp(chan results, t_job job) coroutine void nmap_scan_tcp(chan results, t_job job)
{ {
t_result result; t_result result;
chan pkts;
ipaddr src; ipaddr src;
int sock; int sock;
sock = socket(ipfamily(job.dest), SOCK_STREAM, IPPROTO_TCP); sock = socket(ipfamily(job.dest), SOCK_STREAM, IPPROTO_TCP);
src = iplocal_randport(NULL, ipmode(job.dest), sock); src = iplocal_randport(NULL, ipmode(job.dest), sock);
pkts = nmap_listener(job.dest, src);
pcap_t *handle = nmap_capture(job.dest, src);
/* chan pkts; */
/* pkts = nmap_listener(job.dest, src); */
/* (void)pkts; */
/* DG("after listener"); */
result.dest = job.dest; result.dest = job.dest;
ft_strcpy(result.scan, "TCP"); ft_strcpy(result.scan, "TCP");
@ -32,16 +36,25 @@ coroutine void nmap_scan_tcp(chan results, t_job job)
tcp_hdrinit(&pkt); tcp_hdrinit(&pkt);
pkt.th_dport = htons(ipport(job.dest)); pkt.th_dport = htons(ipport(job.dest));
pkt.th_sport = htons(ipport(src)); pkt.th_sport = htons(ipport(src));
/* pkt.th_flags = 0; */ pkt.th_flags = 0;
pkt.th_sum = cksum(&pkt, sizeof(pkt)); pkt.th_sum = cksum(&pkt, sizeof(pkt));
if (sendto(sock, &pkt, sizeof(pkt), 0, tcp_print((char *)&pkt, sizeof(pkt));
(struct sockaddr*)&job.dest, sizeof(job.dest)) < 0)
// REQ
DG("check");
if (sendto(sock, &pkt, sizeof(pkt), 0, (struct sockaddr*)&job.dest, sizeof(job.dest)) < 0)
{ {
DG("check 1");
perror("sendto"); perror("sendto");
exit(1);
} }
pkt = chr(pkts, struct tcphdr); DG("check 2");
// RESP
struct pcap_pkthdr pkthdr;
const u_char *resp;
resp = pcap_next(handle, &pkthdr);
tcp_print((char *)resp, pkthdr.len);
chs(results, t_result, result); chs(results, t_result, result);
chclose(results); chclose(results);