From 97ef24340da7d3f55a39ba16b400d13f9bbe9e60 Mon Sep 17 00:00:00 2001
From: dimitri staessens <dimitri.staessens@ugent.be>
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/ipcpd/normal/dir.c | 6 +++---
src/ipcpd/normal/fmgr.c | 6 +++---
src/ipcpd/normal/main.c | 24 ++++++++++++------------
3 files changed, 18 insertions(+), 18 deletions(-)
(limited to 'src/ipcpd/normal')
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)) ||
--
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