Fix compiler warnings.

diff --git a/src/openssl/ecdsa.c b/src/openssl/ecdsa.c
index 85c6a47..f3640a5 100644 (file)
--- a/src/openssl/ecdsa.c
+++ b/src/openssl/ecdsa.c
@@ -34,7 +34,7 @@ bool ecdsa_set_base64_public_key(ecdsa_t *ecdsa, const char *p) {
        int len = strlen(p);
        unsigned char pubkey[len / 4 * 3 + 3];
        const unsigned char *ppubkey = pubkey;
-       len = b64decode(p, pubkey, len);
+       len = b64decode(p, (char *)pubkey, len);
 
        if(!o2i_ECPublicKey(ecdsa, &ppubkey, len)) {
                logger(LOG_DEBUG, "o2i_ECPublicKey failed: %s", ERR_error_string(ERR_get_error(), NULL));
@@ -49,7 +49,7 @@ char *ecdsa_get_base64_public_key(ecdsa_t *ecdsa) {
        int len = i2o_ECPublicKey(*ecdsa, &pubkey);
 
        char *base64 = malloc(len * 4 / 3 + 5);
-       b64encode(pubkey, base64, len);
+       b64encode((char *)pubkey, base64, len);
 
        free(pubkey);
 
@@ -87,7 +87,7 @@ size_t ecdsa_size(ecdsa_t *ecdsa) {
 bool ecdsa_sign(ecdsa_t *ecdsa, const void *in, size_t len, void *sig) {
        unsigned int siglen = ECDSA_size(*ecdsa);
 
-       char hash[SHA512_DIGEST_LENGTH];
+       unsigned char hash[SHA512_DIGEST_LENGTH];
        SHA512(in, len, hash);
 
        memset(sig, 0, siglen);
@@ -107,7 +107,7 @@ bool ecdsa_sign(ecdsa_t *ecdsa, const void *in, size_t len, void *sig) {
 bool ecdsa_verify(ecdsa_t *ecdsa, const void *in, size_t len, const void *sig) {
        unsigned int siglen = ECDSA_size(*ecdsa);
 
-       char hash[SHA512_DIGEST_LENGTH];
+       unsigned char hash[SHA512_DIGEST_LENGTH];
        SHA512(in, len, hash);
 
        if(!ECDSA_verify(0, hash, sizeof hash, sig, siglen, *ecdsa)) {

diff --git a/src/openssl/ecdsagen.c b/src/openssl/ecdsagen.c
index 86b79a2..883c77e 100644 (file)
--- a/src/openssl/ecdsagen.c
+++ b/src/openssl/ecdsagen.c
@@ -67,7 +67,7 @@ char *ecdsa_get_base64_public_key(ecdsa_t *ecdsa) {
        int len = i2o_ECPublicKey(*ecdsa, &pubkey);
 
        char *base64 = malloc(len * 4 / 3 + 5);
-       b64encode(pubkey, base64, len);
+       b64encode((char *)pubkey, base64, len);
 
        free(pubkey);
 

diff --git a/src/protocol_auth.c b/src/protocol_auth.c
index 4eb61bd..4e2bd87 100644 (file)
--- a/src/protocol_auth.c
+++ b/src/protocol_auth.c
@@ -226,7 +226,6 @@ bool send_metakey(connection_t *c) {
 static bool metakey_ec_h(connection_t *c, const char *request) {
        size_t siglen = ecdsa_size(&c->ecdsa);
        char key[MAX_STRING_SIZE];
-       char sig[siglen];
 
        logger(LOG_DEBUG, "Got ECDH metakey from %s", c->name);
 

diff --git a/src/tincctl.c b/src/tincctl.c
index f0515c9..4f06daa 100644 (file)
--- a/src/tincctl.c
+++ b/src/tincctl.c
@@ -577,7 +577,7 @@ int main(int argc, char *argv[]) {
 #endif
                if (slash++) {
                        c = xmalloc((slash - argv[0]) + sizeof("tincd"));
-                       sprintf(c, "%.*stincd", slash - argv[0], argv[0]);
+                       sprintf(c, "%.*stincd", (int)(slash - argv[0]), argv[0]);
                }
                else
                        c = "tincd";