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Diffstat (limited to 'src/lib/dev.c')
-rw-r--r--src/lib/dev.c101
1 files changed, 64 insertions, 37 deletions
diff --git a/src/lib/dev.c b/src/lib/dev.c
index cb483aca..2c0dbf28 100644
--- a/src/lib/dev.c
+++ b/src/lib/dev.c
@@ -502,8 +502,10 @@ static void flow_fini(int fd)
pthread_rwlock_unlock(&ai.lock);
}
+#define IS_ENCRYPTED(crypt) ((crypt)->nid != NID_undef)
+#define IS_ORDERED(flow) (flow.qs.in_order != 0)
static int flow_init(struct flow_info * info,
- buffer_t * sk)
+ struct crypt_sk * sk)
{
struct timespec now;
struct flow * flow;
@@ -542,16 +544,15 @@ static int flow_init(struct flow_info * info,
flow->rcv_act = now;
flow->crypt = NULL;
- if (sk!= NULL && sk->data != NULL) {
- assert(sk->len == SYMMKEYSZ);
- flow->crypt = crypt_create_ctx(sk->data);
+ if (IS_ENCRYPTED(sk)) {
+ flow->crypt = crypt_create_ctx(sk);
if (flow->crypt == NULL)
goto fail_crypt;
}
assert(flow->frcti == NULL);
- if (info->qs.in_order != 0) {
+ if (IS_ORDERED(flow->info)) {
flow->frcti = frcti_create(fd, DELT_A, DELT_R, info->mpl);
if (flow->frcti == NULL)
goto fail_frcti;
@@ -708,6 +709,11 @@ static void init(int argc,
goto fail_timerwheel;
}
+ if (crypt_secure_malloc_init(PROC_SECMEM_MAX) < 0) {
+ fprintf(stderr, "FATAL: Could not init secure malloc.\n");
+ goto fail_timerwheel;
+ }
+
#if defined PROC_FLOW_STATS
if (strstr(argv[0], "ipcpd") == NULL) {
sprintf(procstr, "proc.%d", getpid());
@@ -823,12 +829,13 @@ __attribute__((section(FINI_SECTION))) __typeof__(fini) * __fini = fini;
int flow_accept(qosspec_t * qs,
const struct timespec * timeo)
{
- struct flow_info flow;
- uint8_t buf[SOCK_BUF_SIZE];
- buffer_t msg = {SOCK_BUF_SIZE, buf};
- buffer_t sk;
- int fd;
- int err;
+ struct flow_info flow;
+ struct crypt_sk crypt;
+ uint8_t buf[SOCK_BUF_SIZE];
+ buffer_t msg = {SOCK_BUF_SIZE, buf};
+ uint8_t key[SYMMKEYSZ];
+ int fd;
+ int err;
#ifdef QOS_DISABLE_CRC
if (qs != NULL)
@@ -846,13 +853,15 @@ int flow_accept(qosspec_t * qs,
if (err < 0)
return err;
- err = flow__irm_result_des(&msg, &flow, &sk);
+ crypt.key = key;
+
+ err = flow__irm_result_des(&msg, &flow, &crypt);
if (err < 0)
return err;
- fd = flow_init(&flow, &sk);
+ fd = flow_init(&flow, &crypt);
- freebuf(sk);
+ explicit_bzero(key, SYMMKEYSZ);
if (qs != NULL)
*qs = flow.qs;
@@ -864,12 +873,13 @@ int flow_alloc(const char * dst,
qosspec_t * qs,
const struct timespec * timeo)
{
- struct flow_info flow;
- uint8_t buf[SOCK_BUF_SIZE];
- buffer_t msg = {SOCK_BUF_SIZE, buf};
- buffer_t sk; /* symmetric key */
- int fd;
- int err;
+ struct flow_info flow;
+ struct crypt_sk crypt;
+ uint8_t buf[SOCK_BUF_SIZE];
+ buffer_t msg = {SOCK_BUF_SIZE, buf};
+ uint8_t key[SYMMKEYSZ];
+ int fd;
+ int err;
#ifdef QOS_DISABLE_CRC
if (qs != NULL)
@@ -890,13 +900,15 @@ int flow_alloc(const char * dst,
return err;
}
- err = flow__irm_result_des(&msg, &flow, &sk);
+ crypt.key = key;
+
+ err = flow__irm_result_des(&msg, &flow, &crypt);
if (err < 0)
return err;
- fd = flow_init(&flow, &sk);
+ fd = flow_init(&flow, &crypt);
- freebuf(sk);
+ explicit_bzero(key, SYMMKEYSZ);
if (qs != NULL)
*qs = flow.qs;
@@ -907,11 +919,13 @@ int flow_alloc(const char * dst,
int flow_join(const char * dst,
const struct timespec * timeo)
{
- struct flow_info flow;
- uint8_t buf[SOCK_BUF_SIZE];
- buffer_t msg = {SOCK_BUF_SIZE, buf};
- int fd;
- int err;
+ struct flow_info flow;
+ struct crypt_sk crypt;
+ uint8_t buf[SOCK_BUF_SIZE];
+ buffer_t msg = {SOCK_BUF_SIZE, buf};
+ uint8_t key[SYMMKEYSZ];
+ int fd;
+ int err;
memset(&flow, 0, sizeof(flow));
@@ -925,11 +939,15 @@ int flow_join(const char * dst,
if (err < 0)
return err;
- err = flow__irm_result_des(&msg, &flow, NULL);
+ crypt.key = key;
+
+ err = flow__irm_result_des(&msg, &flow, &crypt);
if (err < 0)
return err;
- fd = flow_init(&flow, NULL);
+ fd = flow_init(&flow, &crypt);
+
+ explicit_bzero(key, SYMMKEYSZ);
return fd;
}
@@ -1785,7 +1803,8 @@ ssize_t fevent(struct flow_set * set,
int np1_flow_alloc(pid_t n_pid,
int flow_id)
{
- struct flow_info flow;
+ struct flow_info flow;
+ struct crypt_sk crypt = { .nid = NID_undef, .key = NULL };
memset(&flow, 0, sizeof(flow));
@@ -1795,7 +1814,7 @@ int np1_flow_alloc(pid_t n_pid,
flow.mpl = 0;
flow.n_1_pid = n_pid; /* This "flow" is upside-down! */
- return flow_init(&flow, NULL);
+ return flow_init(&flow, &crypt);
}
int np1_flow_dealloc(int flow_id,
@@ -1859,9 +1878,11 @@ int ipcp_flow_req_arr(const buffer_t * dst,
const buffer_t * data)
{
struct flow_info flow;
- uint8_t buf[SOCK_BUF_SIZE];
- buffer_t msg = {SOCK_BUF_SIZE, buf};
- int err;
+ uint8_t buf[SOCK_BUF_SIZE];
+ buffer_t msg = {SOCK_BUF_SIZE, buf};
+ struct crypt_sk crypt;
+ uint8_t key[SYMMKEYSZ];
+ int err;
memset(&flow, 0, sizeof(flow));
@@ -1878,17 +1899,23 @@ int ipcp_flow_req_arr(const buffer_t * dst,
if (err < 0)
return err;
- err = flow__irm_result_des(&msg, &flow, NULL);
+ crypt.key = key;
+
+ err = flow__irm_result_des(&msg, &flow, &crypt);
if (err < 0)
return err;
+ assert(crypt.nid == NID_undef); /* np1 flows are not encrypted */
+
/* inverted for np1_flow */
flow.n_1_pid = flow.n_pid;
flow.n_pid = getpid();
flow.mpl = 0;
flow.qs = qos_np1;
- return flow_init(&flow, NULL);
+ crypt.nid = NID_undef;
+
+ return flow_init(&flow, &crypt);
}
int ipcp_flow_alloc_reply(int fd,
generated by cgit v1.2.3 (git 2.39.1) at 2026-01-29 18:56:11 +0000