Changed to use gnutls instead of openssl for sha1 hashing

configure.ac

@@ -122,6 +122,9 @@ PKG_CHECK_MODULES([glib], [glib-2.0 >= 2.26], [],
     [AC_MSG_ERROR([glib 2.26 or higher is required for profanity])])
 PKG_CHECK_MODULES([curl], [libcurl], [],
     [AC_MSG_ERROR([libcurl is required for profanity])])
+PKG_CHECK_MODULES([gnutls], [gnutls >= 3.0.0], [],
+    [AC_MSG_ERROR([gnutls is required for profanity])])
+
 AS_IF([test "x$PLATFORM" = xosx], [LIBS="$LIBS -lcurl"])
 
 ### Check for desktop notification support
@@ -216,9 +219,9 @@ AC_CHECK_HEADERS([ncurses.h], [], [])
 AM_CFLAGS="-Wall -Wno-deprecated-declarations"
 AS_IF([test "x$PACKAGE_STATUS" = xdevelopment],
     [AM_CFLAGS="$AM_CFLAGS -Wunused -Werror"])
-AM_CPPFLAGS="$AM_CPPFLAGS $glib_CFLAGS $curl_CFLAGS $libnotify_CFLAGS"
+AM_CPPFLAGS="$AM_CPPFLAGS $glib_CFLAGS $curl_CFLAGS $libnotify_CFLAGS $gnutls_CFLAGS"
 AM_CPPFLAGS="$AM_CPPFLAGS -DTHEMES_PATH=\"\\\"$THEMES_PATH\\\"\""
-LIBS="$LIBS $glib_LIBS $curl_LIBS $libnotify_LIBS"
+LIBS="$LIBS $glib_LIBS $curl_LIBS $libnotify_LIBS $gnutls_LIBS"
 
 AC_SUBST(AM_CFLAGS)
 AC_SUBST(AM_CPPFLAGS)

src/common.c

@@ -31,6 +31,8 @@
 #include <curl/curl.h>
 #include <curl/easy.h>
 #include <glib.h>
+#include <gnutls/gnutls.h>
+#include <gnutls/crypto.h>
 
 #include "log.h"
 #include "common.h"
@@ -388,6 +390,21 @@ generate_unique_id(char *prefix)
     return result;
 }
 
+char *
+sha1_hash(char *str)
+{
+    gnutls_hash_hd_t dig;
+    gnutls_digest_algorithm_t algorithm = GNUTLS_DIG_SHA1;
+
+    gnutls_hash_init(&dig, algorithm);
+    gnutls_hash(dig, str, strlen(str));
+
+    unsigned char output[20];
+    gnutls_hash_output(dig, output);
+
+    return g_base64_encode(output, sizeof(output));
+}
+
 int
 cmp_win_num(gconstpointer a, gconstpointer b)
 {

src/common.h

@@ -88,6 +88,7 @@ const char * string_from_resource_presence(resource_presence_t presence);
 resource_presence_t resource_presence_from_string(const char * const str);
 contact_presence_t contact_presence_from_resource_presence(resource_presence_t resource_presence);
 
+char * sha1_hash(char *str);
 char * generate_unique_id(char *prefix);
 
 int cmp_win_num(gconstpointer a, gconstpointer b);

src/profanity.c

@@ -31,6 +31,7 @@
 #include <string.h>
 
 #include <glib.h>
+#include <gnutls/gnutls.h>
 
 #include "profanity.h"
 #include "chat_session.h"
@@ -254,6 +255,7 @@ _init(const int disable_tls, char *log_level)
     setlocale(LC_ALL, "");
     // ignore SIGPIPE
     signal(SIGPIPE, SIG_IGN);
+    gnutls_global_init();
     _create_directories();
     log_level_t prof_log_level = log_level_from_string(log_level);
     prefs_load();
@@ -302,6 +304,7 @@ _shutdown(void)
     accounts_close();
     cmd_uninit();
     log_close();
+    gnutls_global_deinit();
 }
 
 static void

src/xmpp/capabilities.c

@@ -30,7 +30,6 @@
 #include <string.h>
 
 #include <glib.h>
-#include <openssl/evp.h>
 #include <strophe.h>
 
 #include "common.h"
@@ -203,20 +202,7 @@ caps_create_sha1_str(xmpp_stanza_t * const query)
         curr = g_slist_next(curr);
     }
 
-    EVP_MD_CTX mdctx;
-    const EVP_MD *md;
-
-    unsigned char md_value[EVP_MAX_MD_SIZE];
-    unsigned int md_len;
-    OpenSSL_add_all_digests();
-    md = EVP_get_digestbyname("SHA1");
-    EVP_MD_CTX_init(&mdctx);
-    EVP_DigestInit_ex(&mdctx, md, NULL);
-    EVP_DigestUpdate(&mdctx, s->str, strlen(s->str));
-    EVP_DigestFinal_ex(&mdctx, md_value, &md_len);
-    EVP_MD_CTX_cleanup(&mdctx);
-
-    char *result = g_base64_encode(md_value, md_len);
+    char *result = sha1_hash(s->str);
 
     g_string_free(s, TRUE);
     g_slist_free_full(identities, g_free);

tests/test_common.h

@@ -38,3 +38,11 @@ void test_dnd_is_valid_resource_presence_string(void **state);
 void test_available_is_not_valid_resource_presence_string(void **state);
 void test_unavailable_is_not_valid_resource_presence_string(void **state);
 void test_blah_is_not_valid_resource_presence_string(void **state);
+void test_sha1_hash1(void **state);
+void test_sha1_hash2(void **state);
+void test_sha1_hash3(void **state);
+void test_sha1_hash4(void **state);
+void test_sha1_hash5(void **state);
+void test_sha1_hash6(void **state);
+void test_sha1_hash6(void **state);
+void test_sha1_hash7(void **state);

tests/testsuite.c

@@ -74,6 +74,13 @@ int main(int argc, char* argv[]) {
         unit_test(test_available_is_not_valid_resource_presence_string),
         unit_test(test_unavailable_is_not_valid_resource_presence_string),
         unit_test(test_blah_is_not_valid_resource_presence_string),
+        unit_test(test_sha1_hash1),
+        unit_test(test_sha1_hash2),
+        unit_test(test_sha1_hash3),
+        unit_test(test_sha1_hash4),
+        unit_test(test_sha1_hash5),
+        unit_test(test_sha1_hash6),
+        unit_test(test_sha1_hash7),
 
         unit_test(clear_empty),
         unit_test(reset_after_create),