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-rw-r--r--include/ouroboros/crc32.h2
-rw-r--r--include/ouroboros/hash.h17
-rw-r--r--include/ouroboros/ipcp.h4
-rw-r--r--src/ipcpd/ipcp.c18
-rw-r--r--src/ipcpd/ipcp.h7
-rw-r--r--src/ipcpd/local/main.c4
-rw-r--r--src/ipcpd/normal/dir.c6
-rw-r--r--src/ipcpd/normal/fmgr.c6
-rw-r--r--src/ipcpd/normal/main.c24
-rw-r--r--src/ipcpd/shim-data.c6
-rw-r--r--src/ipcpd/shim-eth-llc/main.c12
-rw-r--r--src/ipcpd/shim-udp/main.c12
-rw-r--r--src/irmd/ipcp.c1
-rw-r--r--src/irmd/main.c43
-rw-r--r--src/irmd/registry.c4
-rw-r--r--src/irmd/registry.h2
-rw-r--r--src/lib/hash.c69
-rw-r--r--src/lib/ipcp_config.proto2
-rw-r--r--src/lib/irm.c3
-rw-r--r--src/tools/irm/irm_ipcp_bootstrap.c113
20 files changed, 231 insertions, 124 deletions
diff --git a/include/ouroboros/crc32.h b/include/ouroboros/crc32.h
index dccdf7cb..800d6c4f 100644
--- a/include/ouroboros/crc32.h
+++ b/include/ouroboros/crc32.h
@@ -27,6 +27,8 @@
#include <stdint.h>
#include <stddef.h>
+#define CRC32_HASH_LEN 4
+
void crc32(uint32_t * crc,
const void * buf,
size_t len);
diff --git a/include/ouroboros/hash.h b/include/ouroboros/hash.h
index a94b37ee..60bfbe30 100644
--- a/include/ouroboros/hash.h
+++ b/include/ouroboros/hash.h
@@ -28,6 +28,15 @@
#include <ouroboros/md5.h>
#include <ouroboros/sha3.h>
+enum hash_algo {
+ HASH_CRC32 = 0,
+ HASH_MD5,
+ HASH_SHA3_224,
+ HASH_SHA3_256,
+ HASH_SHA3_384,
+ HASH_SHA3_512
+};
+
#define HASH_FMT "%02x%02x%02x%02x"
#define HASH_VAL(hash) \
((*(unsigned int *) hash) & 0xFF000000) >> 24, \
@@ -35,8 +44,10 @@
((*(unsigned int *) hash) & 0x0000FF00) >> 8, \
((*(unsigned int *) hash) & 0x000000FF)
-/* FIXME: Implement specifying algorithm */
-void get_hash(uint8_t buf[],
- const char * name);
+uint16_t hash_len(enum hash_algo algo);
+
+void str_hash(enum hash_algo algo,
+ void * buf,
+ const char * str);
#endif /* OUROBOROS_LIB_HASH_H */
diff --git a/include/ouroboros/ipcp.h b/include/ouroboros/ipcp.h
index f439f29b..4c815b83 100644
--- a/include/ouroboros/ipcp.h
+++ b/include/ouroboros/ipcp.h
@@ -24,6 +24,8 @@
#ifndef OUROBOROS_IPCP_H
#define OUROBOROS_IPCP_H
+#include <ouroboros/hash.h>
+
#include <stdint.h>
#include <unistd.h>
#include <stdbool.h>
@@ -51,7 +53,7 @@ enum pol_gam {
struct ipcp_config {
char * dif_name;
enum ipcp_type type;
- uint16_t dir_hash_len;
+ enum hash_algo dir_hash_algo;
/* Normal DIF */
uint8_t addr_size;
diff --git a/src/ipcpd/ipcp.c b/src/ipcpd/ipcp.c
index 47c951f1..19607ee1 100644
--- a/src/ipcpd/ipcp.c
+++ b/src/ipcpd/ipcp.c
@@ -63,23 +63,23 @@ void ipcp_sig_handler(int sig,
uint8_t * ipcp_hash_dup(const uint8_t * hash)
{
- uint8_t * dup = malloc(ipcpi.dir_hash_len);
+ uint8_t * dup = malloc(hash_len(ipcpi.dir_hash_algo));
if (dup == NULL)
return NULL;
- memcpy(dup, hash, ipcpi.dir_hash_len);
+ memcpy(dup, hash, ipcp_dir_hash_len());
return dup;
}
-void ipcp_hash_str(char buf[DIR_HASH_STRLEN + 1],
+void ipcp_hash_str(char * buf,
const uint8_t * hash)
{
size_t i;
char * HEX = "0123456789abcdef";
- for (i = 0; i < ipcpi.dir_hash_len; ++i) {
+ for (i = 0; i < ipcp_dir_hash_len(); ++i) {
buf[i * 2] = HEX[(hash[i] & 0xF0) >> 4];
buf[i * 2 + 1] = HEX[hash[i] & 0x0F];
}
@@ -212,7 +212,7 @@ static void * ipcp_main_loop(void * o)
conf_msg = msg->conf;
conf.type = conf_msg->ipcp_type;
- conf.dir_hash_len = conf_msg->dir_hash_len;
+ conf.dir_hash_algo = conf_msg->dir_hash_algo;
conf.dif_name = conf_msg->dif_name;
if (conf.dif_name == NULL) {
ret_msg.has_result = true;
@@ -270,7 +270,7 @@ static void * ipcp_main_loop(void * o)
break;
}
- assert(msg->hash.len == ipcpi.dir_hash_len);
+ assert(msg->hash.len == ipcp_dir_hash_len());
ret_msg.result =
ipcpi.ops->ipcp_reg(msg->hash.data);
@@ -284,7 +284,7 @@ static void * ipcp_main_loop(void * o)
break;
}
- assert(msg->hash.len == ipcpi.dir_hash_len);
+ assert(msg->hash.len == ipcp_dir_hash_len());
ret_msg.result =
ipcpi.ops->ipcp_unreg(msg->hash.data);
@@ -298,7 +298,7 @@ static void * ipcp_main_loop(void * o)
break;
}
- assert(msg->hash.len == ipcpi.dir_hash_len);
+ assert(msg->hash.len == ipcp_dir_hash_len());
if (ipcp_get_state() != IPCP_OPERATIONAL) {
log_err("IPCP in wrong state.");
@@ -318,7 +318,7 @@ static void * ipcp_main_loop(void * o)
break;
}
- assert(msg->hash.len == ipcpi.dir_hash_len);
+ assert(msg->hash.len == ipcp_dir_hash_len());
if (ipcp_get_state() != IPCP_OPERATIONAL) {
log_err("IPCP in wrong state.");
diff --git a/src/ipcpd/ipcp.h b/src/ipcpd/ipcp.h
index d6e2aa7c..c78aa5a6 100644
--- a/src/ipcpd/ipcp.h
+++ b/src/ipcpd/ipcp.h
@@ -24,6 +24,7 @@
#define IPCPD_IPCP_H
#include <ouroboros/config.h>
+#include <ouroboros/hash.h>
#include <ouroboros/ipcp.h>
#include "shim-data.h"
@@ -60,7 +61,8 @@ struct ipcp_ops {
int (* ipcp_flow_dealloc)(int fd);
};
-#define DIR_HASH_STRLEN (ipcpi.dir_hash_len * 2)
+#define ipcp_dir_hash_strlen() (hash_len(ipcpi.dir_hash_algo) * 2)
+#define ipcp_dir_hash_len() (hash_len(ipcpi.dir_hash_algo))
struct ipcp {
int irmd_api;
@@ -70,7 +72,8 @@ struct ipcp {
char * dif_name;
uint64_t dt_addr;
- uint16_t dir_hash_len;
+
+ enum hash_algo dir_hash_algo;
struct ipcp_ops * ops;
int irmd_fd;
diff --git a/src/ipcpd/local/main.c b/src/ipcpd/local/main.c
index 21ca7400..162ce4d9 100644
--- a/src/ipcpd/local/main.c
+++ b/src/ipcpd/local/main.c
@@ -119,7 +119,7 @@ static int ipcp_local_bootstrap(const struct ipcp_config * conf)
assert(conf);
assert(conf->type == THIS_TYPE);
- ipcpi.dir_hash_len = conf->dir_hash_len;
+ ipcpi.dir_hash_algo = conf->dir_hash_algo;
ipcp_set_state(IPCP_OPERATIONAL);
@@ -198,7 +198,7 @@ static int ipcp_local_flow_alloc(int fd,
assert(ipcpi.alloc_id == -1);
- out_fd = ipcp_flow_req_arr(getpid(), dst, ipcpi.dir_hash_len, cube);
+ out_fd = ipcp_flow_req_arr(getpid(), dst, ipcp_dir_hash_len(), cube);
if (out_fd < 0) {
pthread_mutex_unlock(&ipcpi.alloc_lock);
log_dbg("Flow allocation failed: %d", out_fd);
diff --git a/src/ipcpd/normal/dir.c b/src/ipcpd/normal/dir.c
index 0249ba06..5ea8a300 100644
--- a/src/ipcpd/normal/dir.c
+++ b/src/ipcpd/normal/dir.c
@@ -62,7 +62,7 @@ int dir_fini(void)
int dir_reg(const uint8_t * hash)
{
- char hashstr[DIR_HASH_STRLEN + 1];
+ char hashstr[ipcp_dir_hash_strlen() + 1];
int ret;
assert(hash);
@@ -91,7 +91,7 @@ int dir_reg(const uint8_t * hash)
int dir_unreg(const uint8_t * hash)
{
- char hashstr[DIR_HASH_STRLEN + 1];
+ char hashstr[ipcp_dir_hash_strlen() + 1];
size_t len;
assert(hash);
@@ -121,7 +121,7 @@ int dir_unreg(const uint8_t * hash)
int dir_query(const uint8_t * hash)
{
- char hashstr[DIR_HASH_STRLEN + 1];
+ char hashstr[ipcp_dir_hash_strlen() + 1];
size_t len;
dir_path_reset();
diff --git a/src/ipcpd/normal/fmgr.c b/src/ipcpd/normal/fmgr.c
index 5166cc5d..ba36812f 100644
--- a/src/ipcpd/normal/fmgr.c
+++ b/src/ipcpd/normal/fmgr.c
@@ -439,7 +439,7 @@ int fmgr_np1_alloc(int fd,
ssize_t ch;
ssize_t i;
char ** children;
- char hashstr[DIR_HASH_STRLEN + 1];
+ char hashstr[ipcp_dir_hash_strlen() + 1];
char * dst_ipcp = NULL;
ipcp_hash_str(hashstr, dst);
@@ -477,7 +477,7 @@ int fmgr_np1_alloc(int fd,
msg.code = FLOW_ALLOC_CODE__FLOW_REQ;
msg.has_hash = true;
- msg.hash.len = ipcpi.dir_hash_len;
+ msg.hash.len = ipcp_dir_hash_len();
msg.hash.data = (uint8_t *) dst;
msg.has_qoscube = true;
msg.qoscube = cube;
@@ -663,7 +663,7 @@ int fmgr_np1_post_buf(cep_id_t cep_id,
fd = ipcp_flow_req_arr(getpid(),
msg->hash.data,
- ipcpi.dir_hash_len,
+ ipcp_dir_hash_len(),
msg->qoscube);
if (fd < 0) {
pthread_mutex_unlock(&ipcpi.alloc_lock);
diff --git a/src/ipcpd/normal/main.c b/src/ipcpd/normal/main.c
index e37a0fbc..67424914 100644
--- a/src/ipcpd/normal/main.c
+++ b/src/ipcpd/normal/main.c
@@ -69,16 +69,16 @@ static int boot_components(void)
return -1;
}
- len = rib_read(BOOT_PATH "/general/dir_hash_len",
- &ipcpi.dir_hash_len, sizeof(ipcpi.dir_hash_len));
+ len = rib_read(BOOT_PATH "/general/dir_hash_algo",
+ &ipcpi.dir_hash_algo, sizeof(ipcpi.dir_hash_algo));
if (len < 0) {
log_err("Failed to read hash length: %zd.", len);
return -1;
}
- ipcpi.dir_hash_len = ntoh16(ipcpi.dir_hash_len);
+ ipcpi.dir_hash_algo = ntoh32(ipcpi.dir_hash_algo);
- assert(ipcpi.dir_hash_len != 0);
+ assert(ipcp_dir_hash_len() != 0);
if (rib_add(MEMBERS_PATH, ipcpi.name)) {
log_err("Failed to add name to " MEMBERS_PATH);
@@ -229,7 +229,7 @@ static int normal_ipcp_enroll(const char * dst)
log_dbg("Enrolled with " HASH_FMT, HASH_VAL(dst));
- return 0;
+ return ipcpi.dir_hash_algo;
}
const struct ros {
@@ -245,7 +245,7 @@ const struct ros {
{BOOT_PATH, "general"},
{BOOT_PATH "/general", "dif_name"},
- {BOOT_PATH "/general", "dir_hash_len"},
+ {BOOT_PATH "/general", "dir_hash_algo"},
/* DT COMPONENT */
{BOOT_PATH, "dt"},
@@ -293,14 +293,14 @@ int normal_rib_init(void)
static int normal_ipcp_bootstrap(const struct ipcp_config * conf)
{
- uint16_t hash_len;
+ uint32_t hash_algo;
assert(conf);
assert(conf->type == THIS_TYPE);
- hash_len = hton16((uint16_t) conf->dir_hash_len);
+ hash_algo = hton32((uint32_t) conf->dir_hash_algo);
- assert(ntoh16(hash_len) != 0);
+ assert(ntoh32(hash_algo) != 0);
if (normal_rib_init()) {
log_err("Failed to write initial structure to the RIB.");
@@ -310,9 +310,9 @@ static int normal_ipcp_bootstrap(const struct ipcp_config * conf)
if (rib_write(BOOT_PATH "/general/dif_name",
conf->dif_name,
strlen(conf->dif_name) + 1) ||
- rib_write(BOOT_PATH "/general/dir_hash_len",
- &hash_len,
- sizeof(hash_len)) ||
+ rib_write(BOOT_PATH "/general/dir_hash_algo",
+ &hash_algo,
+ sizeof(hash_algo)) ||
rib_write(BOOT_PATH "/dt/const/addr_size",
&conf->addr_size,
sizeof(conf->addr_size)) ||
diff --git a/src/ipcpd/shim-data.c b/src/ipcpd/shim-data.c
index 4459837d..2ef48cb0 100644
--- a/src/ipcpd/shim-data.c
+++ b/src/ipcpd/shim-data.c
@@ -187,7 +187,7 @@ static struct reg_entry * find_reg_entry_by_hash(struct shim_data * data,
list_for_each(h, &data->registry) {
struct reg_entry * e = list_entry(h, struct reg_entry, list);
- if (!memcmp(e->hash, hash, ipcpi.dir_hash_len))
+ if (!memcmp(e->hash, hash, ipcp_dir_hash_len()))
return e;
}
@@ -202,7 +202,7 @@ static struct dir_entry * find_dir_entry(struct shim_data * data,
list_for_each(h, &data->directory) {
struct dir_entry * e = list_entry(h, struct dir_entry, list);
if (e->addr == addr &&
- !memcmp(e->hash, hash, ipcpi.dir_hash_len))
+ !memcmp(e->hash, hash, ipcp_dir_hash_len()))
return e;
}
@@ -215,7 +215,7 @@ static struct dir_entry * find_dir_entry_any(struct shim_data * data,
struct list_head * h;
list_for_each(h, &data->directory) {
struct dir_entry * e = list_entry(h, struct dir_entry, list);
- if (!memcmp(e->hash, hash, ipcpi.dir_hash_len))
+ if (!memcmp(e->hash, hash, ipcp_dir_hash_len()))
return e;
}
diff --git a/src/ipcpd/shim-eth-llc/main.c b/src/ipcpd/shim-eth-llc/main.c
index 5ac3bb6f..36cb12c4 100644
--- a/src/ipcpd/shim-eth-llc/main.c
+++ b/src/ipcpd/shim-eth-llc/main.c
@@ -350,7 +350,7 @@ static int eth_llc_ipcp_sap_alloc(const uint8_t * dst_addr,
msg.has_ssap = true;
msg.ssap = ssap;
msg.has_hash = true;
- msg.hash.len = ipcpi.dir_hash_len;
+ msg.hash.len = ipcp_dir_hash_len();
msg.hash.data = (uint8_t *) hash;
msg.has_qoscube = true;
msg.qoscube = cube;
@@ -398,7 +398,7 @@ static int eth_llc_ipcp_sap_req(uint8_t r_sap,
}
/* reply to IRM, called under lock to prevent race */
- fd = ipcp_flow_req_arr(getpid(), dst, ipcpi.dir_hash_len, cube);
+ fd = ipcp_flow_req_arr(getpid(), dst, ipcp_dir_hash_len(), cube);
if (fd < 0) {
pthread_mutex_unlock(&ipcpi.alloc_lock);
log_err("Could not get new flow from IRMd.");
@@ -464,7 +464,7 @@ static int eth_llc_ipcp_name_query_req(const uint8_t * hash,
if (shim_data_reg_has(ipcpi.shim_data, hash)) {
msg.code = SHIM_ETH_LLC_MSG_CODE__NAME_QUERY_REPLY;
msg.has_hash = true;
- msg.hash.len = ipcpi.dir_hash_len;
+ msg.hash.len = ipcp_dir_hash_len();
msg.hash.data = (uint8_t *) hash;
eth_llc_ipcp_send_mgmt_frame(&msg, r_addr);
@@ -487,7 +487,7 @@ static int eth_llc_ipcp_name_query_reply(const uint8_t * hash,
list_for_each(pos, &ipcpi.shim_data->dir_queries) {
struct dir_query * e =
list_entry(pos, struct dir_query, next);
- if (memcmp(e->hash, hash, ipcpi.dir_hash_len) == 0) {
+ if (memcmp(e->hash, hash, ipcp_dir_hash_len()) == 0) {
shim_data_dir_query_respond(e);
}
}
@@ -758,7 +758,7 @@ static int eth_llc_ipcp_bootstrap(const struct ipcp_config * conf)
assert(conf);
assert(conf->type == THIS_TYPE);
- ipcpi.dir_hash_len = conf->dir_hash_len;
+ ipcpi.dir_hash_algo = conf->dir_hash_algo;
if (conf->if_name == NULL) {
log_err("Interface name is NULL.");
@@ -942,7 +942,7 @@ static int eth_llc_ipcp_query(const uint8_t * hash)
msg.code = SHIM_ETH_LLC_MSG_CODE__NAME_QUERY_REQ;
msg.has_hash = true;
- msg.hash.len = ipcpi.dir_hash_len;
+ msg.hash.len = ipcp_dir_hash_len();
msg.hash.data = (uint8_t *) hash;
memset(r_addr, 0xff, MAC_SIZE);
diff --git a/src/ipcpd/shim-udp/main.c b/src/ipcpd/shim-udp/main.c
index e1fe5c7c..20e9b272 100644
--- a/src/ipcpd/shim-udp/main.c
+++ b/src/ipcpd/shim-udp/main.c
@@ -206,7 +206,7 @@ static int ipcp_udp_port_alloc(uint32_t dst_ip_addr,
msg.code = SHIM_UDP_MSG_CODE__FLOW_REQ;
msg.src_udp_port = src_udp_port;
msg.has_hash = true;
- msg.hash.len = ipcpi.dir_hash_len;
+ msg.hash.len = ipcp_dir_hash_len();
msg.hash.data = (uint8_t *) dst;
msg.has_qoscube = true;
msg.qoscube = cube;
@@ -286,7 +286,7 @@ static int ipcp_udp_port_req(struct sockaddr_in * c_saddr,
}
/* reply to IRM */
- fd = ipcp_flow_req_arr(getpid(), dst, ipcpi.dir_hash_len, cube);
+ fd = ipcp_flow_req_arr(getpid(), dst, ipcp_dir_hash_len(), cube);
if (fd < 0) {
pthread_mutex_unlock(&ipcpi.alloc_lock);
log_err("Could not get new flow from IRMd.");
@@ -534,7 +534,7 @@ static int ipcp_udp_bootstrap(const struct ipcp_config * conf)
assert(conf);
assert(conf->type == THIS_TYPE);
- ipcpi.dir_hash_len = conf->dir_hash_len;
+ ipcpi.dir_hash_algo = conf->dir_hash_algo;
if (inet_ntop(AF_INET,
&conf->ip_addr,
@@ -749,7 +749,7 @@ static int ipcp_udp_reg(const uint8_t * hash)
uint32_t dns_addr;
uint32_t ip_addr;
#endif
- char hashstr[DIR_HASH_STRLEN + 1];
+ char hashstr[ipcp_dir_hash_strlen() + 1];
uint8_t * hash_dup;
assert(hash);
@@ -809,7 +809,7 @@ static int ipcp_udp_unreg(const uint8_t * hash)
char cmd[100];
uint32_t dns_addr;
#endif
- char hashstr[DIR_HASH_STRLEN + 1];
+ char hashstr[ipcp_dir_hash_strlen() + 1];
assert(hash);
@@ -846,7 +846,7 @@ static int ipcp_udp_query(const uint8_t * hash)
#ifdef CONFIG_OUROBOROS_ENABLE_DNS
uint32_t dns_addr = 0;
#endif
- char hashstr[DIR_HASH_STRLEN + 1];
+ char hashstr[ipcp_dir_hash_strlen() + 1];
assert(hash);
diff --git a/src/irmd/ipcp.c b/src/irmd/ipcp.c
index f0e57dc8..7a32dd88 100644
--- a/src/irmd/ipcp.c
+++ b/src/irmd/ipcp.c
@@ -212,6 +212,7 @@ int ipcp_bootstrap(pid_t api,
return ret;
}
+/* return the hash algorithm */
int ipcp_enroll(pid_t api,
const char * dst)
{
diff --git a/src/irmd/main.c b/src/irmd/main.c
index bdc03ef8..7e118f81 100644
--- a/src/irmd/main.c
+++ b/src/irmd/main.c
@@ -37,7 +37,6 @@
#include <ouroboros/qos.h>
#include <ouroboros/time_utils.h>
#include <ouroboros/logs.h>
-#include <ouroboros/sha3.h>
#include "utils.h"
#include "registry.h"
@@ -57,6 +56,7 @@
#define IRMD_CLEANUP_TIMER ((IRMD_FLOW_TIMEOUT / 20) * MILLION) /* ns */
#define SHM_SAN_HOLDOFF 1000 /* ms */
+#define IPCP_HASH_LEN(e) (hash_len(e->dir_hash_algo))
struct ipcp_entry {
struct list_head next;
@@ -64,8 +64,7 @@ struct ipcp_entry {
char * name;
pid_t api;
enum ipcp_type type;
- uint16_t dir_hash_len;
- /* FIXME: add an enum to specify hash algo */
+ enum hash_algo dir_hash_algo;
char * dif_name;
pthread_cond_t init_cond;
@@ -239,13 +238,15 @@ static struct ipcp_entry * get_ipcp_by_dst_name(const char * name)
list_for_each(p, &irmd.ipcps) {
struct ipcp_entry * e =
list_entry(p, struct ipcp_entry, next);
- hash = malloc(e->dir_hash_len);
+ if (e->dir_hash_algo < 0)
+ continue;
+ hash = malloc(IPCP_HASH_LEN(e));
if (hash == NULL)
return NULL;
- get_hash(hash, name);
+ str_hash(e->dir_hash_algo, hash, name);
- if (ipcp_query(e->api, hash, e->dir_hash_len) == 0) {
+ if (ipcp_query(e->api, hash, hash_len(e->dir_hash_algo)) == 0) {
free(hash);
return e;
}
@@ -306,8 +307,7 @@ static pid_t create_ipcp(char * name,
tmp->dif_name = NULL;
tmp->type = ipcp_type;
tmp->init = false;
- /* FIXME: ipcp dir_hash_len should be configurable */
- tmp->dir_hash_len = SHA3_256_HASH_LEN;
+ tmp->dir_hash_algo = -1;
list_for_each(p, &irmd.ipcps) {
struct ipcp_entry * e = list_entry(p, struct ipcp_entry, next);
@@ -434,6 +434,8 @@ static int bootstrap_ipcp(pid_t api,
return -ENOMEM;
}
+ entry->dir_hash_algo = conf->dir_hash_algo;
+
pthread_rwlock_unlock(&irmd.reg_lock);
log_info("Bootstrapped IPCP %d in DIF %s.",
@@ -471,7 +473,8 @@ static int enroll_ipcp(pid_t api,
pthread_rwlock_unlock(&irmd.reg_lock);
- if (ipcp_enroll(api, dif_name)) {
+ entry->dir_hash_algo = ipcp_enroll(api, dif_name);
+ if (entry->dir_hash_algo < 0) {
pthread_rwlock_wrlock(&irmd.reg_lock);
free(entry->dif_name);
entry->dif_name = NULL;
@@ -766,13 +769,13 @@ static int name_reg(const char * name,
if (wildcard_match(difs[i], e->dif_name))
continue;
- hash = malloc(e->dir_hash_len);
+ hash = malloc(IPCP_HASH_LEN(e));
if (hash == NULL)
break;
- get_hash(hash, name);
+ str_hash(e->dir_hash_algo, hash, name);
- if (ipcp_reg(e->api, hash, e->dir_hash_len)) {
+ if (ipcp_reg(e->api, hash, IPCP_HASH_LEN(e))) {
log_err("Could not register " HASH_FMT
" in DIF %s.",
HASH_VAL(hash), e->dif_name);
@@ -826,13 +829,13 @@ static int name_unreg(const char * name,
if (wildcard_match(difs[i], e->dif_name))
continue;
- hash = malloc(e->dir_hash_len);
+ hash = malloc(IPCP_HASH_LEN(e));
if (hash == NULL)
break;
- get_hash(hash, name);
+ str_hash(e->dir_hash_algo, hash, name);
- if (ipcp_unreg(e->api, hash, e->dir_hash_len)) {
+ if (ipcp_unreg(e->api, hash, IPCP_HASH_LEN(e))) {
log_err("Could not unregister %s in DIF %s.",
name, e->dif_name);
} else {
@@ -1097,16 +1100,16 @@ static int flow_alloc(pid_t api,
assert(irm_flow_get_state(f) == FLOW_ALLOC_PENDING);
- hash = malloc(ipcp->dir_hash_len);
+ hash = malloc(IPCP_HASH_LEN(ipcp));
if (hash == NULL) {
/* sanitizer cleans this */
return -ENOMEM;
}
- get_hash(hash, dst);
+ str_hash(ipcp->dir_hash_algo, hash, dst);
if (ipcp_flow_alloc(ipcp->api, port_id, api, hash,
- ipcp->dir_hash_len, cube)) {
+ IPCP_HASH_LEN(ipcp), cube)) {
/* sanitizer cleans this */
log_info("Flow_allocation failed.");
free(hash);
@@ -1248,8 +1251,8 @@ static struct irm_flow * flow_req_arr(pid_t api,
return NULL;
}
- re = registry_get_entry_by_hash(&irmd.registry, hash,
- ipcp->dir_hash_len);
+ re = registry_get_entry_by_hash(&irmd.registry, ipcp->dir_hash_algo,
+ hash, IPCP_HASH_LEN(ipcp));
if (re == NULL) {
pthread_rwlock_unlock(&irmd.reg_lock);
log_err("Unknown hash: " HASH_FMT ".", HASH_VAL(hash));
diff --git a/src/irmd/registry.c b/src/irmd/registry.c
index 71e6ea8a..e6571564 100644
--- a/src/irmd/registry.c
+++ b/src/irmd/registry.c
@@ -27,7 +27,6 @@
#include <ouroboros/logs.h>
#include <ouroboros/irm.h>
#include <ouroboros/time_utils.h>
-#include <ouroboros/hash.h>
#include "registry.h"
#include "utils.h"
@@ -522,6 +521,7 @@ struct reg_entry * registry_get_entry(struct list_head * registry,
}
struct reg_entry * registry_get_entry_by_hash(struct list_head * registry,
+ enum hash_algo algo,
const uint8_t * hash,
size_t len)
{
@@ -536,7 +536,7 @@ struct reg_entry * registry_get_entry_by_hash(struct list_head * registry,
list_for_each(p, registry) {
struct reg_entry * e = list_entry(p, struct reg_entry, next);
- get_hash(thash, e->name);
+ str_hash(algo, thash, e->name);
if (memcmp(thash, hash, len) == 0) {
free(thash);
return e;
diff --git a/src/irmd/registry.h b/src/irmd/registry.h
index 771ca83c..29cefc02 100644
--- a/src/irmd/registry.h
+++ b/src/irmd/registry.h
@@ -24,6 +24,7 @@
#define OUROBOROS_IRMD_REGISTRY_H
#include <ouroboros/config.h>
+#include <ouroboros/hash.h>
#include <ouroboros/ipcp.h>
#include <ouroboros/list.h>
#include <ouroboros/shared.h>
@@ -115,6 +116,7 @@ struct reg_entry * registry_get_entry(struct list_head * registry,
const char * name);
struct reg_entry * registry_get_entry_by_hash(struct list_head * registry,
+ enum hash_algo algo,
const uint8_t * hash,
size_t len);
diff --git a/src/lib/hash.c b/src/lib/hash.c
index f4fd75ea..e7806d94 100644
--- a/src/lib/hash.c
+++ b/src/lib/hash.c
@@ -28,16 +28,69 @@
#include <ouroboros/hash.h>
#include <string.h>
+#include <assert.h>
+#include <stdbool.h>
-void get_hash(uint8_t buf[],
- const char * name)
+uint16_t hash_len(enum hash_algo algo)
{
- /* currently we only support 256 bit SHA-3 */
- struct sha3_ctx ctx;
-
- rhash_sha3_256_init(&ctx);
+ switch (algo) {
+ case HASH_CRC32:
+ return CRC32_HASH_LEN;
+ case HASH_MD5:
+ return MD5_HASH_LEN;
+ case HASH_SHA3_224:
+ return SHA3_224_HASH_LEN;
+ case HASH_SHA3_256:
+ return SHA3_256_HASH_LEN;
+ case HASH_SHA3_384:
+ return SHA3_384_HASH_LEN;
+ case HASH_SHA3_512:
+ return SHA3_512_HASH_LEN;
+ default:
+ assert(false);
+ break;
+ }
+}
- rhash_sha3_update(&ctx, name, strlen(name));
+void str_hash(enum hash_algo algo,
+ void * buf,
+ const char * str)
+{
+ struct sha3_ctx sha3_ctx;
+ struct md5_ctx md5_ctx;
- rhash_sha3_final(&ctx, buf);
+ switch (algo) {
+ case HASH_CRC32:
+ memset(buf, 0, CRC32_HASH_LEN);
+ crc32((uint32_t *) buf, str, strlen(str));
+ break;
+ case HASH_MD5:
+ rhash_md5_init(&md5_ctx);
+ rhash_md5_update(&md5_ctx, str, strlen(str));
+ rhash_md5_final(&md5_ctx, (uint8_t *) buf);
+ break;
+ case HASH_SHA3_224:
+ rhash_sha3_224_init(&sha3_ctx);
+ rhash_sha3_update(&sha3_ctx, str, strlen(str));
+ rhash_sha3_final(&sha3_ctx, (uint8_t *) buf);
+ break;
+ case HASH_SHA3_256:
+ rhash_sha3_256_init(&sha3_ctx);
+ rhash_sha3_update(&sha3_ctx, str, strlen(str));
+ rhash_sha3_final(&sha3_ctx, (uint8_t *) buf);
+ break;
+ case HASH_SHA3_384:
+ rhash_sha3_384_init(&sha3_ctx);
+ rhash_sha3_update(&sha3_ctx, str, strlen(str));
+ rhash_sha3_final(&sha3_ctx, (uint8_t *) buf);
+ break;
+ case HASH_SHA3_512:
+ rhash_sha3_512_init(&sha3_ctx);
+ rhash_sha3_update(&sha3_ctx, str, strlen(str));
+ rhash_sha3_final(&sha3_ctx, (uint8_t *) buf);
+ break;
+ default:
+ assert(false);
+ break;
+ }
}
diff --git a/src/lib/ipcp_config.proto b/src/lib/ipcp_config.proto
index a0c14c41..d5ff75d6 100644
--- a/src/lib/ipcp_config.proto
+++ b/src/lib/ipcp_config.proto
@@ -25,7 +25,7 @@ syntax = "proto2";
message ipcp_config_msg {
required string dif_name = 1;
- required uint32 dir_hash_len = 2;
+ required uint32 dir_hash_algo = 2;
required int32 ipcp_type = 3;
// Config for normal IPCP
optional uint32 addr_size = 4;
diff --git a/src/lib/irm.c b/src/lib/irm.c
index a2fd5d0b..12d8e8f7 100644
--- a/src/lib/irm.c
+++ b/src/lib/irm.c
@@ -23,6 +23,7 @@
#include <ouroboros/config.h>
#include <ouroboros/errno.h>
+#include <ouroboros/hash.h>
#include <ouroboros/irm.h>
#include <ouroboros/utils.h>
#include <ouroboros/sockets.h>
@@ -105,7 +106,7 @@ int irm_bootstrap_ipcp(pid_t api,
msg.conf = &config;
config.dif_name = conf->dif_name;
config.ipcp_type = conf->type;
- config.dir_hash_len = (uint16_t) conf->dir_hash_len;
+ config.dir_hash_algo = (enum hash_algo) conf->dir_hash_algo;
switch (conf->type) {
case IPCP_NORMAL:
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 <ipcp name>\n"
" dif <DIF name>\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 <address size> (default: %d)]\n"
" [cep_id <CEP-id size> (default: %d)]\n"
@@ -75,16 +86,16 @@ static void usage(void)
" [max_pdu <maximum PDU size> (default: %d)]\n"
" [addr_auth <address policy> (default: %s)]\n"
" [dt_gam <data transfer graph adjacency manager>"
- "(default: %s)]\n"
+ " (default: %s)]\n"
" [rm_gam <rib manager graph adjacency manager>"
- "(default: %s)]\n"
+ " (default: %s)]\n"
"if TYPE == " SHIM_UDP "\n"
" ip <IP address in dotted notation>\n"
" [dns <DDNS IP address in dotted notation>"
" (default = none: %d)]\n"
"if TYPE == " SHIM_ETH_LLC "\n"
" if_name <interface 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;
generated by cgit v1.2.3 (git 2.39.1) at 2025-11-04 14:18:19 +0000