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-rw-r--r--ct_client.c14
-rw-r--r--ct_server.c9
-rw-r--r--curve.c63
-rw-r--r--curve.h7
4 files changed, 53 insertions, 40 deletions
diff --git a/ct_client.c b/ct_client.c
index 1f4d10e..37b6090 100644
--- a/ct_client.c
+++ b/ct_client.c
@@ -315,10 +315,7 @@ retry:
syslog(LOG_INFO, "curvetun client booting!\n");
}
- c = xmalloc(sizeof(struct curve25519_struct));
-
- curve25519_alloc_or_maybe_die(c);
-
+ c = curve25519_tfm_alloc();
p = get_serv_store_entry_proto_inf();
if (!p)
syslog_panic("Cannot proto!\n");
@@ -332,8 +329,7 @@ retry:
ret = getaddrinfo(host, port, &hints, &ahead);
if (ret < 0) {
syslog(LOG_ERR, "Cannot get address info! Retry!\n");
- curve25519_free(c);
- xfree(c);
+ curve25519_tfm_free(c);
fd = -1;
retry_server = 1;
closed_by_server = 0;
@@ -364,8 +360,7 @@ retry:
if (fd < 0) {
syslog(LOG_ERR, "Cannot create socket! Retry!\n");
- curve25519_free(c);
- xfree(c);
+ curve25519_tfm_free(c);
fd = -1;
retry_server = 1;
closed_by_server = 0;
@@ -422,8 +417,7 @@ retry:
xfree(buff);
close(fd);
- curve25519_free(c);
- xfree(c);
+ curve25519_tfm_free(c);
/* tundev still active */
if (closed_by_server && !sigint) {
diff --git a/ct_server.c b/ct_server.c
index eb53bd3..9737ffd 100644
--- a/ct_server.c
+++ b/ct_server.c
@@ -448,21 +448,19 @@ static void *worker(void *self)
int fd, old_state;
ssize_t ret;
size_t blen = TUNBUFF_SIZ; //FIXME
- const struct worker_struct *ws = self;
+ struct worker_struct *ws = self;
struct pollfd fds;
char *buff;
fds.fd = ws->efd[0];
fds.events = POLLIN;
- curve25519_alloc_or_maybe_die(ws->c);
-
+ ws->c = curve25519_tfm_alloc();
buff = xmalloc_aligned(blen, 64);
syslog(LOG_INFO, "curvetun thread on CPU%u up!\n", ws->cpu);
- pthread_cleanup_push(xfree_func, ws->c);
- pthread_cleanup_push(curve25519_free, ws->c);
+ pthread_cleanup_push(curve25519_tfm_free_void, ws->c);
pthread_cleanup_push(xfree_func, buff);
while (likely(!sigint)) {
@@ -490,7 +488,6 @@ static void *worker(void *self)
pthread_cleanup_pop(1);
pthread_cleanup_pop(1);
- pthread_cleanup_pop(1);
pthread_exit((void *) ((long) ws->cpu));
}
diff --git a/curve.c b/curve.c
index e8b0c9a..56ecf47 100644
--- a/curve.c
+++ b/curve.c
@@ -29,25 +29,7 @@
#include "crypto.h"
#include "config.h"
-int curve25519_pubkey_hexparse_32(unsigned char *bin, size_t blen,
- const char *ascii, size_t alen)
-{
- int ret = sscanf(ascii,
- "%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:"
- "%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:"
- "%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:"
- "%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx",
- &bin[0], &bin[1], &bin[2], &bin[3], &bin[4],
- &bin[5], &bin[6], &bin[7], &bin[8], &bin[9],
- &bin[10], &bin[11], &bin[12], &bin[13], &bin[14],
- &bin[15], &bin[16], &bin[17], &bin[18], &bin[19],
- &bin[20], &bin[21], &bin[22], &bin[23], &bin[24],
- &bin[25], &bin[26], &bin[27], &bin[28], &bin[29],
- &bin[30], &bin[31]);
- return ret == 32;
-}
-
-void curve25519_alloc_or_maybe_die(struct curve25519_struct *curve)
+static void curve25519_init(struct curve25519_struct *curve)
{
curve->enc_size = curve->dec_size = TUNBUFF_SIZ;
@@ -58,10 +40,8 @@ void curve25519_alloc_or_maybe_die(struct curve25519_struct *curve)
spinlock_init(&curve->dec_lock);
}
-void curve25519_free(void *curvep)
+static void curve25519_destroy(struct curve25519_struct *curve)
{
- struct curve25519_struct *curve = curvep;
-
xzfree(curve->enc, curve->enc_size);
xzfree(curve->dec, curve->dec_size);
@@ -69,6 +49,27 @@ void curve25519_free(void *curvep)
spinlock_destroy(&curve->dec_lock);
}
+struct curve25519_struct *curve25519_tfm_alloc(void)
+{
+ struct curve25519_struct *tfm;
+
+ tfm = xzmalloc_aligned(sizeof(*tfm), 16);
+ curve25519_init(tfm);
+
+ return tfm;
+}
+
+void curve25519_tfm_free(struct curve25519_struct *tfm)
+{
+ curve25519_destroy(tfm);
+ xzfree(tfm, sizeof(*tfm));
+}
+
+void curve25519_tfm_free_void(void *tfm)
+{
+ curve25519_tfm_free(tfm);
+}
+
void curve25519_proto_init(struct curve25519_proto *proto,
unsigned char *pubkey_remote, size_t len)
{
@@ -182,3 +183,21 @@ out:
spinlock_unlock(&curve->dec_lock);
return done;
}
+
+int curve25519_pubkey_hexparse_32(unsigned char *bin, size_t blen,
+ const char *ascii, size_t alen)
+{
+ int ret = sscanf(ascii,
+ "%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:"
+ "%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:"
+ "%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:"
+ "%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx",
+ &bin[0], &bin[1], &bin[2], &bin[3], &bin[4],
+ &bin[5], &bin[6], &bin[7], &bin[8], &bin[9],
+ &bin[10], &bin[11], &bin[12], &bin[13], &bin[14],
+ &bin[15], &bin[16], &bin[17], &bin[18], &bin[19],
+ &bin[20], &bin[21], &bin[22], &bin[23], &bin[24],
+ &bin[25], &bin[26], &bin[27], &bin[28], &bin[29],
+ &bin[30], &bin[31]);
+ return ret == 32;
+}
diff --git a/curve.h b/curve.h
index d9c2584..1b3a919 100644
--- a/curve.h
+++ b/curve.h
@@ -21,8 +21,11 @@ struct curve25519_struct {
};
extern void curve25519_selftest(void);
-extern void curve25519_alloc_or_maybe_die(struct curve25519_struct *curve);
-extern void curve25519_free(void *curve);
+
+extern struct curve25519_struct *curve25519_tfm_alloc(void);
+extern void curve25519_tfm_free(struct curve25519_struct *tfm);
+extern void curve25519_tfm_free_void(void *tfm);
+
extern void curve25519_proto_init(struct curve25519_proto *proto,
unsigned char *pubkey_remote, size_t len);
extern int curve25519_pubkey_hexparse_32(unsigned char *bin, size_t blen,
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-27 08:09:54 +0000