From 97ef24340da7d3f55a39ba16b400d13f9bbe9e60 Mon Sep 17 00:00:00 2001 From: dimitri staessens Date: Sun, 16 Apr 2017 12:04:59 +0200 Subject: ipcpd: Allow specifying the hash algorithm to use Currently CRC32, MD5, and SHA3 (224, 256, 384 and 512 bit) are supported. --- src/tools/irm/irm_ipcp_bootstrap.c | 113 +++++++++++++++++++++++-------------- 1 file changed, 71 insertions(+), 42 deletions(-) (limited to 'src/tools/irm/irm_ipcp_bootstrap.c') diff --git a/src/tools/irm/irm_ipcp_bootstrap.c b/src/tools/irm/irm_ipcp_bootstrap.c index 489f98b9..32c09b55 100644 --- a/src/tools/irm/irm_ipcp_bootstrap.c +++ b/src/tools/irm/irm_ipcp_bootstrap.c @@ -34,25 +34,34 @@ #include "irm_ops.h" #include "irm_utils.h" -#define NORMAL "normal" -#define SHIM_UDP "shim-udp" -#define SHIM_ETH_LLC "shim-eth-llc" -#define LOCAL "local" +#define NORMAL "normal" +#define SHIM_UDP "shim-udp" +#define SHIM_ETH_LLC "shim-eth-llc" +#define LOCAL "local" -#define DEFAULT_ADDR_SIZE 4 -#define DEFAULT_CEP_ID_SIZE 2 +#define CRC32 "CRC32" +#define MD5 "MD5" +#define SHA3_224 "SHA3_224" +#define SHA3_256 "SHA3_256" +#define SHA3_384 "SHA3_384" +#define SHA3_512 "SHA3_512" + +#define DEFAULT_HASH_ALGO HASH_SHA3_256 +#define DEFAULT_HASH_STR SHA3_256 +#define DEFAULT_ADDR_SIZE 4 +#define DEFAULT_CEP_ID_SIZE 2 #define DEFAULT_PDU_LEN_SIZE 2 -#define DEFAULT_SEQ_NO_SIZE 4 +#define DEFAULT_SEQ_NO_SIZE 4 #define DEFAULT_MIN_PDU_SIZE 0 #define DEFAULT_MAX_PDU_SIZE 9000 -#define DEFAULT_DDNS 0 -#define DEFAULT_ADDR_AUTH FLAT_RANDOM -#define DEFAULT_DT_GAM COMPLETE -#define DEFAULT_RM_GAM COMPLETE +#define DEFAULT_DDNS 0 +#define DEFAULT_ADDR_AUTH FLAT_RANDOM +#define DEFAULT_DT_GAM COMPLETE +#define DEFAULT_RM_GAM COMPLETE +#define ADDR_AUTH_FLAT "flat" -#define ADDR_AUTH_FLAT "flat" -#define DT_GAM_COMPLETE "complete" -#define RM_GAM_COMPLETE "complete" +#define DT_GAM_COMPLETE "complete" +#define RM_GAM_COMPLETE "complete" static void usage(void) { @@ -61,9 +70,11 @@ static void usage(void) " name \n" " dif \n" " type [TYPE]\n" -/* FIXME: add option to set hash algorithm and length for directory */ + " [hash [ALGORITHM] (default: %s)]\n" "where TYPE = {" NORMAL " " LOCAL " " - SHIM_UDP " " SHIM_ETH_LLC"}\n\n" + SHIM_UDP " " SHIM_ETH_LLC"},\n" + " ALGORITHM = { " CRC32 " " MD5 " " + SHA3_224 " " SHA3_256 " " SHA3_384 " " SHA3_512 "}.\n\n" "if TYPE == " NORMAL "\n" " [addr
(default: %d)]\n" " [cep_id (default: %d)]\n" @@ -75,16 +86,16 @@ static void usage(void) " [max_pdu (default: %d)]\n" " [addr_auth
(default: %s)]\n" " [dt_gam " - "(default: %s)]\n" + " (default: %s)]\n" " [rm_gam " - "(default: %s)]\n" + " (default: %s)]\n" "if TYPE == " SHIM_UDP "\n" " ip \n" " [dns " " (default = none: %d)]\n" "if TYPE == " SHIM_ETH_LLC "\n" " if_name \n", - DEFAULT_ADDR_SIZE, DEFAULT_CEP_ID_SIZE, + DEFAULT_HASH_STR, DEFAULT_ADDR_SIZE, DEFAULT_CEP_ID_SIZE, DEFAULT_PDU_LEN_SIZE, DEFAULT_SEQ_NO_SIZE, DEFAULT_MIN_PDU_SIZE, DEFAULT_MAX_PDU_SIZE, ADDR_AUTH_FLAT, DT_GAM_COMPLETE, RM_GAM_COMPLETE, DEFAULT_DDNS); @@ -92,29 +103,29 @@ static void usage(void) int do_bootstrap_ipcp(int argc, char ** argv) { - char * name = NULL; - pid_t api; + char * name = NULL; + char * hash = DEFAULT_HASH_STR; + pid_t api; struct ipcp_config conf; - uint8_t addr_size = DEFAULT_ADDR_SIZE; - uint8_t cep_id_size = DEFAULT_CEP_ID_SIZE; - uint8_t pdu_length_size = DEFAULT_PDU_LEN_SIZE; - uint8_t seqno_size = DEFAULT_SEQ_NO_SIZE; - bool has_ttl = false; - bool has_chk = false; - uint32_t min_pdu_size = DEFAULT_MIN_PDU_SIZE; - uint32_t max_pdu_size = DEFAULT_MAX_PDU_SIZE; - enum pol_addr_auth addr_auth_type = DEFAULT_ADDR_AUTH; - enum pol_gam dt_gam_type = DEFAULT_DT_GAM; - enum pol_gam rm_gam_type = DEFAULT_RM_GAM; - uint32_t ip_addr = 0; - uint32_t dns_addr = DEFAULT_DDNS; - char * ipcp_type = NULL; - char * dif_name = NULL; - char * if_name = NULL; - pid_t * apis = NULL; - ssize_t len = 0; - int i = 0; - uint16_t dir_hash_len = SHA3_256_HASH_LEN; + uint8_t addr_size = DEFAULT_ADDR_SIZE; + uint8_t cep_id_size = DEFAULT_CEP_ID_SIZE; + uint8_t pdu_length_size = DEFAULT_PDU_LEN_SIZE; + uint8_t seqno_size = DEFAULT_SEQ_NO_SIZE; + bool has_ttl = false; + bool has_chk = false; + uint32_t min_pdu_size = DEFAULT_MIN_PDU_SIZE; + uint32_t max_pdu_size = DEFAULT_MAX_PDU_SIZE; + enum pol_addr_auth addr_auth_type = DEFAULT_ADDR_AUTH; + enum pol_gam dt_gam_type = DEFAULT_DT_GAM; + enum pol_gam rm_gam_type = DEFAULT_RM_GAM; + uint32_t ip_addr = 0; + uint32_t dns_addr = DEFAULT_DDNS; + char * ipcp_type = NULL; + char * dif_name = NULL; + char * if_name = NULL; + pid_t * apis = NULL; + ssize_t len = 0; + int i = 0; while (argc > 0) { if (matches(*argv, "type") == 0) { @@ -123,6 +134,8 @@ int do_bootstrap_ipcp(int argc, char ** argv) dif_name = *(argv + 1); } else if (matches(*argv, "name") == 0) { name = *(argv + 1); + } else if (matches(*argv, "hash") == 0) { + hash = *(argv + 1); } else if (matches(*argv, "ip") == 0) { if (inet_pton (AF_INET, *(argv + 1), &ip_addr) != 1) { usage(); @@ -180,7 +193,23 @@ int do_bootstrap_ipcp(int argc, char ** argv) } conf.dif_name = dif_name; - conf.dir_hash_len = dir_hash_len; + + if (strcmp(hash, CRC32) == 0) { + conf.dir_hash_algo = HASH_CRC32; + } else if (strcmp(hash, MD5) == 0) { + conf.dir_hash_algo = HASH_MD5; + } else if (strcmp(hash, SHA3_224) == 0) { + conf.dir_hash_algo = HASH_SHA3_224; + } else if (strcmp(hash, SHA3_256) == 0) { + conf.dir_hash_algo = HASH_SHA3_256; + } else if (strcmp(hash, SHA3_384) == 0) { + conf.dir_hash_algo = HASH_SHA3_384; + } else if (strcmp(hash, SHA3_512) == 0) { + conf.dir_hash_algo = HASH_SHA3_512; + } else { + usage(); + return -1; + } if (strcmp(ipcp_type, NORMAL) == 0) { conf.type = IPCP_NORMAL; -- cgit v1.2.3