Finish rename Marshall -> Marshal.

core/c/mpw-marshal-util.c

@@ -0,0 +1,115 @@
+//==============================================================================
+// This file is part of Master Password.
+// Copyright (c) 2011-2017, Maarten Billemont.
+//
+// Master Password is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Master Password is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You can find a copy of the GNU General Public License in the
+// LICENSE file.  Alternatively, see <http://www.gnu.org/licenses/>.
+//==============================================================================
+
+#include <string.h>
+
+#include "mpw-marshal-util.h"
+#include "mpw-util.h"
+
+char *mpw_get_token(const char **in, const char *eol, char *delim) {
+
+    // Skip leading spaces.
+    for (; **in == ' '; ++*in);
+
+    // Find characters up to the first delim.
+    size_t len = strcspn( *in, delim );
+    char *token = len && len <= (size_t)(eol - *in)? strndup( *in, len ): NULL;
+
+    // Advance past the delimitor.
+    *in = min( eol, *in + len + 1 );
+    return token;
+}
+
+time_t mpw_mktime(
+        const char *time) {
+
+    struct tm tm = { .tm_isdst = -1, .tm_gmtoff = 0 };
+    if (time && sscanf( time, "%4d-%2d-%2dT%2d:%2d:%2dZ",
+            &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
+            &tm.tm_hour, &tm.tm_min, &tm.tm_sec ) == 6) {
+        tm.tm_year -= 1900; // tm_year 0 = rfc3339 year  1900
+        tm.tm_mon -= 1;     // tm_mon  0 = rfc3339 month 1
+        return mktime( &tm );
+    }
+
+    return false;
+}
+
+#if MPW_JSON
+json_object *mpw_get_json_section(
+        json_object *obj, const char *section) {
+
+    json_object *json_value = obj;
+    char *sectionTokenizer = strdup( section ), *sectionToken = sectionTokenizer;
+    for (sectionToken = strtok( sectionToken, "." ); sectionToken; sectionToken = strtok( NULL, "." ))
+        if (!json_object_object_get_ex( json_value, sectionToken, &json_value ) || !json_value) {
+            trc( "While resolving: %s: Missing value for: %s\n", section, sectionToken );
+            json_value = NULL;
+            break;
+        }
+    free( sectionTokenizer );
+
+    return json_value;
+}
+
+const char *mpw_get_json_string(
+        json_object *obj, const char *section, const char *defaultValue) {
+
+    json_object *json_value = mpw_get_json_section( obj, section );
+    if (!json_value)
+        return defaultValue;
+
+    return json_object_get_string( json_value );
+}
+
+int64_t mpw_get_json_int(
+        json_object *obj, const char *section, int64_t defaultValue) {
+
+    json_object *json_value = mpw_get_json_section( obj, section );
+    if (!json_value)
+        return defaultValue;
+
+    return json_object_get_int64( json_value );
+}
+
+bool mpw_get_json_boolean(
+        json_object *obj, const char *section, bool defaultValue) {
+
+    json_object *json_value = mpw_get_json_section( obj, section );
+    if (!json_value)
+        return defaultValue;
+
+    return json_object_get_boolean( json_value ) == TRUE;
+}
+#endif
+
+bool mpw_update_masterKey(MPMasterKey *masterKey, MPAlgorithmVersion *masterKeyAlgorithm, MPAlgorithmVersion targetKeyAlgorithm,
+        const char *fullName, const char *masterPassword) {
+
+    if (*masterKeyAlgorithm != targetKeyAlgorithm) {
+        mpw_free( masterKey, MPMasterKeySize );
+        *masterKeyAlgorithm = targetKeyAlgorithm;
+        *masterKey = mpw_masterKey( fullName, masterPassword, *masterKeyAlgorithm );
+        if (!*masterKey) {
+            err( "Couldn't derive master key for user %s, algorithm %d.\n", fullName, *masterKeyAlgorithm );
+            return false;
+        }
+    }
+
+    return true;
+}