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Diffstat (limited to 'src/libosfp_common.h')
| -rw-r--r-- | src/libosfp_common.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/libosfp_common.h b/src/libosfp_common.h new file mode 100644 index 0000000..bc182bf --- /dev/null +++ b/src/libosfp_common.h @@ -0,0 +1,142 @@ +#ifndef __LIBOSFP_COMMON_H__ +#define __LIBOSFP_COMMON_H__ + +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <malloc.h> +#include <stdarg.h> +#include <time.h> + +#include <linux/in.h> +#include <linux/if_ether.h> +#include <linux/ip.h> +#include <linux/ipv6.h> +#include <linux/tcp.h> +#include <sys/fcntl.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include "utarray.h" +#include "uthash.h" +#include "utlist.h" +#include "utringbuffer.h" +#include "utstack.h" +#include "utstring.h" + +#include "cJSON.h" + +#define LIBOSFP_OS_CLASS_NAME_WINDOWS "Windows" +#define LIBOSFP_OS_CLASS_NAME_LINUX "Linux" +#define LIBOSFP_OS_CLASS_NAME_MAC_OS "Mac OS" +#define LIBOSFP_OS_CLASS_NAME_IOS "iOS" +#define LIBOSFP_OS_CLASS_NAME_ANDROID "Android" + +#define LIBOSFP_TCP_OPTLENMAX 64 +#define LIBOSFP_TCP_OPTMAX 20 + +#define LIBOSFP_ETHERNET_HEADER_LEN 14 +#define LIBOSFP_VLAN_HEADER_LEN 4 +#define LIBOSFP_IPV4_HEADER_LEN 20 +#define LIBOSFP_IPV6_HEADER_LEN 40 +#define LIBOSFP_TCP_HEADER_LEN 20 + + +//# TCP Options (opt_type) - http://www.iana.org/assignments/tcp-parameters +#define LIBOSFP_TCP_OPT_EOL 0 //# end of option list +#define LIBOSFP_TCP_OPT_NOP 1 //# no operation +#define LIBOSFP_TCP_OPT_MSS 2 //# maximum segment size +#define LIBOSFP_TCP_OPT_WSCALE 3 //# window scale factor, RFC 1072 +#define LIBOSFP_TCP_OPT_SACKOK 4 //# SACK permitted, RFC 2018 +#define LIBOSFP_TCP_OPT_SACK 5 //# SACK, RFC 2018 +#define LIBOSFP_TCP_OPT_ECHO 6 //# echo (obsolete), RFC 1072 +#define LIBOSFP_TCP_OPT_ECHOREPLY 7 //# echo reply (obsolete), RFC 1072 +#define LIBOSFP_TCP_OPT_TIMESTAMP 8 //# timestamps, RFC 1323 +#define LIBOSFP_TCP_OPT_POCONN 9 //# partial order conn, RFC 1693 +#define LIBOSFP_TCP_OPT_POSVC 10 //# partial order service, RFC 1693 +#define LIBOSFP_TCP_OPT_CC 11 //# connection count, RFC 1644 +#define LIBOSFP_TCP_OPT_CCNEW 12 //# CC.NEW, RFC 1644 +#define LIBOSFP_TCP_OPT_CCECHO 13 //# CC.ECHO, RFC 1644 +#define LIBOSFP_TCP_OPT_ALTSUM 14 //# alt checksum request, RFC 1146 +#define LIBOSFP_TCP_OPT_ALTSUMDATA 15 //# alt checksum data, RFC 1146 +#define LIBOSFP_TCP_OPT_SKEETER 16 //# Skeeter +#define LIBOSFP_TCP_OPT_BUBBA 17 //# Bubba +#define LIBOSFP_TCP_OPT_TRAILSUM 18 //# trailer checksum +#define LIBOSFP_TCP_OPT_MD5 19 //# MD5 signature, RFC 2385 +#define LIBOSFP_TCP_OPT_SCPS 20 //# SCPS capabilities +#define LIBOSFP_TCP_OPT_SNACK 21 //# selective negative acks +#define LIBOSFP_TCP_OPT_REC 22 //# record boundaries +#define LIBOSFP_TCP_OPT_CORRUPT 23 //# corruption experienced +#define LIBOSFP_TCP_OPT_SNAP 24 //# SNAP +#define LIBOSFP_TCP_OPT_TCPCOMP 26 //# TCP compression filter +#define LIBOSFP_TCP_OPT_MAX 27 //# Quick-Start Response +#define LIBOSFP_TCP_OPT_USRTO 28 //# User Timeout Option (also, other known unauthorized use) [***][1] [RFC5482] +#define LIBOSFP_TCP_OPT_AUTH 29 //# TCP Authentication Option (TCP-AO) [RFC5925] +#define LIBOSFP_TCP_OPT_MULTIPATH 30 //# Multipath TCP (MPTCP) +#define LIBOSFP_TCP_OPT_FASTOPEN 34 //# TCP Fast Open Cookie [RFC7413] +#define LIBOSFP_TCP_OPY_ENCNEG 69 //# Encryption Negotiation (TCP-ENO) [RFC8547] +#define LIBOSFP_TCP_OPT_EXP1 253 //# RFC3692-style Experiment 1 (also improperly used for shipping products) +#define LIBOSFP_TCP_OPT_EXP2 254 //# RFC3692-style Experiment 2 (also improperly used for shipping products) + +#define LIBOSFP_TCP_OPT_SACKOK_LEN 2 +#define LIBOSFP_TCP_OPT_WS_LEN 3 +#define LIBOSFP_TCP_OPT_TS_LEN 10 +#define LIBOSFP_TCP_OPT_MSS_LEN 4 +#define LIBOSFP_TCP_OPT_SACK_MIN_LEN 10 /* hdr 2, 1 pair 8 = 10 */ +#define LIBOSFP_TCP_OPT_SACK_MAX_LEN 34 /* hdr 2, 4 pair 32= 34 */ +#define LIBOSFP_TCP_OPT_TFO_MIN_LEN 4 /* kind, len, 2 bytes cookie: 4 */ +#define LIBOSFP_TCP_OPT_TFO_MAX_LEN 18 /* kind, len, 18 */ + + +#define LIBOSFP_WRITE_STRING_TO_BUF(ret, buf, size, off, ...) do { \ + ret = snprintf((char *)buf + off, \ + size - off, \ + __VA_ARGS__); \ + if (ret >= 0) { \ + if ( (off + ret) >= size) { \ + off = size - 1; \ + } else { \ + off += ret; \ + } \ + } \ + } while (0) + +#define LIBOSFP_BIT_U32(n) (1UL << (n)) + +typedef enum libosfp_error_code { + LIBOSFP_NOERR, + LIBOSFP_EINVAL, + LIBOSFP_ENOMEM, + LIBOSFP_ERR_SCORE_DB_READ_FILE, + LIBOSFP_ERR_SCORE_DB_PARSE_FILE, + LIBOSFP_ERR_SCORE_DB_UNSUPPORTED, + + LIBOSFP_ERR_FINGERPRINTING_UNSUPPORTED, + +} libosfp_error_code_t; + +typedef enum libosfp_os_class_id { + LIBOSFP_OS_CLASS_WINDOWS, + LIBOSFP_OS_CLASS_LINUX, + LIBOSFP_OS_CLASS_MAC_OS, + LIBOSFP_OS_CLASS_IOS, + LIBOSFP_OS_CLASS_ANDROID, + LIBOSFP_OS_CLASS_MAX, +} libosfp_os_class_id_t; + +#define LIBOSFP_OS_CLASS_FLAG_WINDOWS LIBOSFP_BIT_U32(LIBOSFP_OS_CLASS_WINDOWS) +#define LIBOSFP_OS_CLASS_FLAG_LINUX LIBOSFP_BIT_U32(LIBOSFP_OS_CLASS_LINUX) +#define LIBOSFP_OS_CLASS_FLAG_MAC_OS LIBOSFP_BIT_U32(LIBOSFP_OS_CLASS_MAC_OS) +#define LIBOSFP_OS_CLASS_FLAG_IOS LIBOSFP_BIT_U32(LIBOSFP_OS_CLASS_IOS) +#define LIBOSFP_OS_CLASS_FLAG_ANDROID LIBOSFP_BIT_U32(LIBOSFP_OS_CLASS_ANDROID) + +typedef struct libosfp_score { + unsigned int likely_os_class; + unsigned int likely_score; + unsigned int os_class_score[LIBOSFP_OS_CLASS_MAX]; +} libosfp_score_t; + +libosfp_os_class_id_t libosfp_os_class_name_to_id(char *name); +const char *libosfp_os_class_id_to_name(libosfp_os_class_id_t os_class); + +#endif |