X-Git-Url: https://uglyman.kremlin.cc/gitweb/gitweb.cgi?a=blobdiff_plain;f=src%2Fconfig.c;h=5cbecb16b60162f7a8726936acfa1df4ba7422ef;hb=7f67c06978732bc0c623f5688f31f32f2ed6b005;hp=b1b716105590454bfc4c0247f193a04088f39c7f;hpb=a35a69c56004944df534779ed806d2a889904ba5;p=systembsd.git

diff --git a/src/config.c b/src/config.c
index b1b7161..5cbecb1 100644
--- a/src/config.c
+++ b/src/config.c
@@ -1 +1,178 @@
-init
+/*
+ * Copyright (c) 2014 Ian Sutton <ian@kremlin.cc>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <gio/gio.h>
+#include "config.h"
+
+static GKeyFile *config;
+static int config_descr;
+static gchar *data_dir;
+
+/* NULL if key doesn't exist */
+gchar *get_option(gchar *key, gchar *group) {
+
+    if(!group)
+        group = "default";
+
+    return g_key_file_get_string(config, group, key, NULL);
+}
+
+/* false if key isn't already defined or value is invalid */
+gboolean set_option(gchar *key, gchar *value, gchar *group) {
+
+    if(!group)
+        group = "default";
+
+    if(!g_key_file_get_string(config, group, key, NULL))
+        return FALSE;
+
+    //TODO safteycheck value
+    g_key_file_set_string(config, group, key, value);
+    return TRUE;
+}
+
+/* initial load/check */
+gboolean config_init() {
+
+    /* config is already set */
+    if(config)
+        return TRUE;
+    
+    config = g_key_file_new();
+    
+    const gchar *config_path;
+    GStatBuf *config_lstat;
+    int config_lstat_ret;
+
+    config_path = "/etc/systemd_compat.conf";
+    config_lstat_ret = g_lstat(config_path, config_lstat);
+
+    /* does conf exist? */
+    if(config_lstat_ret) {
+
+        /* if not, can we write to where it should be? */
+        if(g_access("/etc/", W_OK)) {
+            g_printf("%s\n", "no write permissions for /etc/! exiting..");
+            return FALSE;
+        }
+
+        int config_descr; /*TODO add to descr array for sigints, etc */
+        config_descr = g_open(config_path, O_CREAT, 644);
+
+        gchar *posix_hostname;
+        posix_hostname = g_malloc(HOST_NAME_MAX); 
+
+        gethostname(posix_hostname, HOST_NAME_MAX);
+
+        g_key_file_set_string(config, "hostnamed", "Hostname", posix_hostname);
+        g_key_file_set_string(config, "hostnamed", "PrettyHostname", "");
+        g_key_file_set_string(config, "hostnamed", "IconName", "Computer"); 
+        g_key_file_set_string(config, "hostnamed", "ChassisType","laptop"); /*TODO set these correctly */
+
+        if(!g_key_file_save_to_file(config, config_path, NULL)) {
+            g_printf("failed to write config to %s!\n", config_path);
+            g_free(posix_hostname);
+            return FALSE;
+        }
+
+        g_printf("wrote config to %s\n", config_path);
+
+        g_free(posix_hostname);
+
+        return TRUE;
+
+    /* it does exist, read it */
+    } else {
+
+        if(g_access(config_path, W_OK)) {
+            g_printf("%s\n", "no write permissions for /etc/! exiting..");
+            return FALSE;
+        } else if(g_key_file_load_from_file(config, config_path, G_KEY_FILE_KEEP_COMMENTS, NULL))
+            return TRUE;
+
+        g_printf("could not read config at %s! exiting..", config_path);
+        return FALSE;
+    }
+}
+
+gboolean init_xml() {
+
+    const gchar * const *data_dir_prefix;
+    int xml_lstat_ret;
+    GStatBuf *xml_lstat;
+
+    data_dir_prefix = g_get_system_data_dirs();
+    data_dir = g_strconcat(data_dir_prefix[0], "systemd_compat", NULL);
+    
+    xml_lstat_ret = g_lstat(data_dir, xml_lstat);
+
+    /* does xml dir exist? */
+    if(xml_lstat_ret) {
+
+        /* if not, can we write to where it should be? */
+        if(g_access(data_dir_prefix[0], W_OK)) {
+            g_printf("no write permissions for %s! exiting...\n", data_dir_prefix[0]);
+            return FALSE;
+        }
+
+        g_printf("creating xml data directory %s...\n", data_dir);
+
+        if(g_mkdir(data_dir, 644) || g_access) {
+            g_printf("failed to create dir %s...\n", data_dir);
+            return FALSE;
+        }
+
+        /* read in xml files from conf/ */
+        if(!read_xml_from_installconf()) {
+            g_printf("failed to read xml configs in conf/...\n");
+            return FALSE;
+        }
+
+        /* write our configs to system data dir */
+        if(!populate_xml_data_dir()) {
+            g_printf("failed to write xml configs to %s...\n", data_dir);
+            return FALSE;
+        }
+
+        /* get descriptors from freshly-installed configs */
+        if(!set_xml_descriptors()) {
+            g_printf("failed to fopen xml configs...\n");
+            return FALSE;
+        }
+
+        return TRUE;
+    
+    /* it does exist, read it */
+    } else {
+
+        if(!set_xml_descriptors()) {
+            g_printf("failed to fopen xml configs...\n");
+            return FALSE;
+        }
+
+        return TRUE;
+    }
+}
+
+void clean_config() {
+
+    //TODO g_ptr_array all of this
+    g_free(config);
+    g_free(data_dir);
+    g_close(config_descr, NULL);
+}