gitmodules: document shallow recommendation

diff --git a/imap-send.c b/imap-send.c
index 407e46bc8c0e7c6748a5c0e92a47d86cacd55a13..938c6915858b93b7c860e49e906c45e0e2ea5d03 100644 (file)
--- a/imap-send.c
+++ b/imap-send.c
@@ -287,17 +287,20 @@ static int ssl_socket_connect(struct imap_socket *sock, int use_tls_only, int ve
        SSL_library_init();
        SSL_load_error_strings();
 
-       if (use_tls_only)
-               meth = TLSv1_method();
-       else
-               meth = SSLv23_method();
-
+       meth = SSLv23_method();
        if (!meth) {
                ssl_socket_perror("SSLv23_method");
                return -1;
        }
 
        ctx = SSL_CTX_new(meth);
+       if (!ctx) {
+               ssl_socket_perror("SSL_CTX_new");
+               return -1;
+       }
+
+       if (use_tls_only)
+               SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
 
        if (verify)
                SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
@@ -862,7 +865,6 @@ static char hexchar(unsigned int b)
 static char *cram(const char *challenge_64, const char *user, const char *pass)
 {
        int i, resp_len, encoded_len, decoded_len;
-       HMAC_CTX hmac;
        unsigned char hash[16];
        char hex[33];
        char *response, *response_64, *challenge;
@@ -877,10 +879,8 @@ static char *cram(const char *challenge_64, const char *user, const char *pass)
                                      (unsigned char *)challenge_64, encoded_len);
        if (decoded_len < 0)
                die("invalid challenge %s", challenge_64);
-       HMAC_Init(&hmac, (unsigned char *)pass, strlen(pass), EVP_md5());
-       HMAC_Update(&hmac, (unsigned char *)challenge, decoded_len);
-       HMAC_Final(&hmac, hash, NULL);
-       HMAC_CTX_cleanup(&hmac);
+       if (!HMAC(EVP_md5(), pass, strlen(pass), (unsigned char *)challenge, decoded_len, hash, NULL))
+               die("HMAC error");
 
        hex[32] = 0;
        for (i = 0; i < 16; i++) {