make SetStaticHostname() call sethostname()
[systembsd.git] / src / interfaces / hostnamed / hostnamed.c
index 3677acf1284c7a9f1519fb0b96776f0dca2bcd59..ec7156f1bab6502e72d8e71b140ebf231e358872 100644 (file)
 #include <sys/sysctl.h>
 #include <sys/sensors.h>
 #include <sys/ioctl.h>
+#include <sys/utsname.h>
 
 #include <machine/apmvar.h>
 
 #include <glib/gprintf.h>
 #include <glib-unix.h>
-/* #include <gtk/gtk.h> */
+#include <polkit/polkit.h>
 
 #include "hostnamed-gen.h"
 #include "hostnamed.h"
 
-/* add any sysctl strings that suggest virtualization here */
+#include "../../polkit-auth.h"
+
 /* format: {
  *           (1) string to be matched against runtime machine's sysctl output.
  *               can be either the exact string or a substring contained
@@ -79,22 +81,27 @@ GMainLoop *hostnamed_loop;
 guint bus_descriptor;
 gboolean dbus_interface_exported; /* reliable because of gdbus operational guarantees */
 
+gchar *HOSTNAME, *STATIC_HOSTNAME, *PRETTY_HOSTNAME;
 gchar *CHASSIS, *ICON;
+gchar *KERN_NAME, *KERN_RELEASE, *KERN_VERS, *OS_CPENAME;
 
 /* TODO no specific vm or laptop icon in gnome
  * NOTE paravirtualization on xen is only available for linuxes right now
  * dmesg on linux systems reveals xen and virtualization method (HVM or PVM) 
  * but we will worry about those later */
+
+/* add any sysctl strings that suggest virtualization here */
 const struct SYSCTL_LOOKUP_TABLE chassis_indicator_table[] =
 {
-    { "QEMU Virtual CPU",        "container", NULL,              FALSE, FALSE }, /* could be QEMU running in userspace or as part of KVM */
-    { "KVM",                     "vm",      , "drive-multidisk", FALSE, FALSE },
-    { "SmartDC HVM",             "vm",        "drive-multidisk", TRUE,  TRUE  }, /* oracle solaris kvm */
-    { "VirtualBox",              "container", "drive-optical",   TRUE,  TRUE  },
-    { "VMware, Inc.",            "container", "drive-optical",   TRUE,  TRUE  },
-    { "VMware Virtual Platform", "container", "drive-optical",   TRUE,  TRUE  },
-    { "Parallels",               "container", "drive-optical",   TRUE,  TRUE  } /* need verification */
-};
+    { "QEMU Virtual CPU",        "vm",        NULL,              FALSE, FALSE }, /* could be QEMU running in userspace or as part of KVM */
+    { "KVM",                     "vm",        "drive-multidisk", FALSE, FALSE },
+    { "SmartDC HVM",             "vm",        "drive-multidisk", TRUE,  TRUE  }, /* illumos-joyent kvm */
+    { "VirtualBox",              "vm",        "drive-multidisk", TRUE,  TRUE  },
+    { "VMware, Inc.",            "vm",        "drive-multidisk", TRUE,  TRUE  },
+    { "VMware Virtual Platform", "vm",        "drive-multidisk", TRUE,  TRUE  },
+    { "Parallels",               "vm",        "drive-multidisk", TRUE,  TRUE  }, /* need verification */
+    { "Xen",                     "vm",        "drive-multidisk", FALSE, FALSE } 
+}; /* TODO: chroots, etc. are the actual "containers", add them */
 
 /* archs to check against when determining if machine is server */
 const gchar *server_archs[] = {
@@ -105,12 +112,81 @@ const gchar *server_archs[] = {
 
 /* --- begin method/property/dbus signal code --- */
 
+/* TODO free some strings here */
 static gboolean
 on_handle_set_hostname(Hostname1 *hn1_passed_interf,
                        GDBusMethodInvocation *invoc,
                        const gchar *greet,
                        gpointer data) {
-    return FALSE;
+    GVariant *params;
+    gchar *proposed_hostname, *valid_hostname_buf;
+    const gchar *bus_name;
+    gboolean policykit_auth, ret, try_to_set;
+    size_t check_length;
+    check_auth_result is_authed;
+
+    proposed_hostname = NULL;
+    ret = try_to_set = FALSE;
+    
+    params = g_dbus_method_invocation_get_parameters(invoc);
+    g_variant_get(params, "(sb)", &proposed_hostname, &policykit_auth);
+    bus_name = g_dbus_method_invocation_get_sender(invoc);
+
+    /* verify caller has correct permissions via polkit */
+    is_authed = polkit_try_auth(bus_name, "org.freedesktop.hostname1.set-hostname", policykit_auth);
+
+    switch(is_authed) {
+
+        case AUTHORIZED_NATIVELY:
+        case AUTHORIZED_BY_PROMPT:
+            try_to_set = TRUE;
+            break;
+
+        case UNAUTHORIZED_NATIVELY:
+        case UNAUTHORIZED_FAILED_PROMPT:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EACCES", "Insufficient permissions to set hostname.");
+            break;
+
+        case ERROR_BADBUS:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EFAULT", "Provided bus name is invalid.");
+            break;
+
+        case ERROR_BADACTION:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EFAULT", "Provided action ID is invalid.");
+            break;
+
+        case ERROR_GENERIC:
+        default:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ECANCELED", "Failed to set hostname for unknown reason.");
+            break;
+    }
+
+    /* verify passed hostname's validity */
+    if(try_to_set && proposed_hostname && (valid_hostname_buf = g_hostname_to_ascii(proposed_hostname))) {
+
+        check_length = strnlen(valid_hostname_buf, MAXHOSTNAMELEN + 1);
+
+        if(check_length > MAXHOSTNAMELEN) {
+
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ENAMETOOLONG", "Hostname string exceeded maximum length.");
+            g_free(valid_hostname_buf);
+
+        } else if(sethostname(proposed_hostname, check_length)) {
+
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ECANCELED", "Failed to set hostname for unknown reason.");
+            g_free(valid_hostname_buf);
+
+        } else {
+
+            HOSTNAME = valid_hostname_buf;
+            hostname1_set_hostname(hn1_passed_interf, HOSTNAME);
+            g_ptr_array_add(hostnamed_freeable, valid_hostname_buf);
+            ret = TRUE;
+            hostname1_complete_set_hostname(hn1_passed_interf, invoc);
+        }
+    }
+
+    return ret;
 }
 
 static gboolean
@@ -118,7 +194,76 @@ on_handle_set_static_hostname(Hostname1 *hn1_passed_interf,
                               GDBusMethodInvocation *invoc,
                               const gchar *greet,
                               gpointer data) {
-    return FALSE;
+
+    GVariant *params;
+    gchar *proposed_static_hostname, *valid_static_hostname_buf;
+    const gchar *bus_name;
+    gboolean policykit_auth, ret, try_to_set;
+    size_t check_length;
+    check_auth_result is_authed;
+
+    proposed_static_hostname = NULL;
+    ret = try_to_set = FALSE;
+    
+    params = g_dbus_method_invocation_get_parameters(invoc);
+    g_variant_get(params, "(sb)", &proposed_static_hostname, &policykit_auth);
+    bus_name = g_dbus_method_invocation_get_sender(invoc);
+
+    /* verify caller has correct permissions via polkit */
+    is_authed = polkit_try_auth(bus_name, "org.freedesktop.hostname1.set-static-hostname", policykit_auth);
+
+    switch(is_authed) {
+
+        case AUTHORIZED_NATIVELY:
+        case AUTHORIZED_BY_PROMPT:
+            try_to_set = TRUE;
+            break;
+
+        case UNAUTHORIZED_NATIVELY:
+        case UNAUTHORIZED_FAILED_PROMPT:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EACCES", "Insufficient permissions to set static hostname.");
+            break;
+
+        case ERROR_BADBUS:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EFAULT", "Provided bus name is invalid.");
+            break;
+
+        case ERROR_BADACTION:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EFAULT", "Provided action ID is invalid.");
+            break;
+
+        case ERROR_GENERIC:
+        default:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ECANCELED", "Failed to set static hostname for unknown reason.");
+            break;
+    }
+
+    /* verify passed hostname's validity */
+    if(try_to_set && proposed_static_hostname && (valid_static_hostname_buf = g_hostname_to_ascii(proposed_static_hostname))) {
+
+        check_length = strnlen(valid_static_hostname_buf, MAXHOSTNAMELEN + 1);
+
+        if(check_length > MAXHOSTNAMELEN) {
+
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ENAMETOOLONG", "Static hostname string exceeded maximum length.");
+            g_free(valid_static_hostname_buf);
+
+        } else if(!(STATIC_HOSTNAME = valid_static_hostname_buf)) {
+
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ECANCELED", "Failed to set static hostname for unknown reason.");
+            g_free(valid_static_hostname_buf);
+
+        } else { 
+
+            g_strdelimit(STATIC_HOSTNAME, " ", '-');
+            hostname1_set_static_hostname(hn1_passed_interf, STATIC_HOSTNAME); 
+            g_ptr_array_add(hostnamed_freeable, valid_static_hostname_buf);
+            ret = (!sethostname(valid_static_hostname_buf, MAXHOSTNAMELEN)) ? TRUE : FALSE; /* TODO set /etc/myname, guarantee domain or substitue .home.network" */
+            hostname1_complete_set_static_hostname(hn1_passed_interf, invoc);
+        }
+    }
+
+    return ret;
 }
 
 static gboolean
@@ -126,7 +271,97 @@ on_handle_set_pretty_hostname(Hostname1 *hn1_passed_interf,
                               GDBusMethodInvocation *invoc,
                               const gchar *greet,
                               gpointer data) {
-    return FALSE;
+
+    GVariant *params;
+    gchar *proposed_pretty_hostname, *valid_pretty_hostname_buf, *computed_static_hostname;
+    const gchar *bus_name;
+    gboolean policykit_auth, ret, try_to_set;
+    size_t check_length;
+    check_auth_result is_authed;
+    GKeyFile *config;
+
+    config = g_key_file_new();
+    proposed_pretty_hostname = NULL;
+    ret = try_to_set = FALSE;
+    
+    params = g_dbus_method_invocation_get_parameters(invoc);
+    g_variant_get(params, "(sb)", &proposed_pretty_hostname, &policykit_auth);
+    bus_name = g_dbus_method_invocation_get_sender(invoc);
+
+    /* verify caller has correct permissions via polkit */
+    is_authed = polkit_try_auth(bus_name, "org.freedesktop.hostname1.set-pretty-hostname", policykit_auth);
+
+    switch(is_authed) {
+
+        case AUTHORIZED_NATIVELY:
+        case AUTHORIZED_BY_PROMPT:
+            try_to_set = TRUE;
+            break;
+
+        case UNAUTHORIZED_NATIVELY:
+        case UNAUTHORIZED_FAILED_PROMPT:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EACCES", "Insufficient permissions to set pretty hostname.");
+            break;
+
+        case ERROR_BADBUS:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EFAULT", "Provided bus name is invalid.");
+            break;
+
+        case ERROR_BADACTION:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EFAULT", "Provided action ID is invalid.");
+            break;
+
+        case ERROR_GENERIC:
+        default:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ECANCELED", "Failed to set pretty hostname for unknown reason.");
+            break;
+    }
+
+    /* verify passed hostname's validity */
+    if(try_to_set && proposed_pretty_hostname && (valid_pretty_hostname_buf = g_locale_to_utf8(proposed_pretty_hostname, -1, 0, 0, NULL))) {
+
+        check_length = strnlen(valid_pretty_hostname_buf, MAXHOSTNAMELEN + 1);
+
+        if(check_length > MAXHOSTNAMELEN) {
+
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ENAMETOOLONG", "Static hostname string exceeded maximum length.");
+            g_free(valid_pretty_hostname_buf);
+
+        } else if(!(PRETTY_HOSTNAME = valid_pretty_hostname_buf)) {
+
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ECANCELED", "Failed to set pretty hostname for unknown reason.");
+            g_free(valid_pretty_hostname_buf);
+
+        } else {
+
+            hostname1_set_pretty_hostname(hn1_passed_interf, PRETTY_HOSTNAME);
+            g_ptr_array_add(hostnamed_freeable, valid_pretty_hostname_buf);
+            hostname1_complete_set_pretty_hostname(hn1_passed_interf, invoc);
+            ret = TRUE;
+
+            if(g_key_file_load_from_file(config, "/etc/machine-info", G_KEY_FILE_NONE, NULL)) {
+                g_key_file_set_string(config, "hostnamed", "PRETTY_HOSTNAME", valid_pretty_hostname_buf);
+
+                if((computed_static_hostname = g_hostname_to_ascii(PRETTY_HOSTNAME))) {
+
+                    g_strdelimit(computed_static_hostname, " ", '-');
+                    hostname1_set_static_hostname(hn1_passed_interf, computed_static_hostname);
+                    STATIC_HOSTNAME = computed_static_hostname;
+                    g_ptr_array_add(hostnamed_freeable, computed_static_hostname);
+                    g_key_file_set_string(config, "hostnamed", "StaticHostname", computed_static_hostname);
+
+                } else
+                    g_free(computed_static_hostname);
+            }
+
+        }
+    }
+
+    g_key_file_save_to_file(config, "/etc/machine-info", NULL);
+    g_key_file_unref(config);
+
+    return ret;
 }
 
 static gboolean
@@ -134,7 +369,86 @@ on_handle_set_chassis(Hostname1 *hn1_passed_interf,
                       GDBusMethodInvocation *invoc,
                       const gchar *greet,
                       gpointer data) {
-    return FALSE;
+
+    GVariant *params;
+    gchar *proposed_chassis_name, *valid_chassis_name_buf;
+    const gchar *bus_name;
+    gboolean policykit_auth, ret, try_to_set;
+    check_auth_result is_authed;
+    GKeyFile *config;
+
+    config = g_key_file_new();
+    proposed_chassis_name = NULL;
+    ret = try_to_set = FALSE;
+    valid_chassis_name_buf = (gchar *)g_malloc0(8192);
+    
+    params = g_dbus_method_invocation_get_parameters(invoc);
+    g_variant_get(params, "(sb)", &proposed_chassis_name, &policykit_auth);
+    bus_name = g_dbus_method_invocation_get_sender(invoc);
+
+    g_strlcpy(valid_chassis_name_buf, proposed_chassis_name, (gsize)64);
+
+    /* verify caller has correct permissions via polkit */
+    is_authed = polkit_try_auth(bus_name, "org.freedesktop.hostname1.set-chassis", policykit_auth);
+
+    switch(is_authed) {
+
+        case AUTHORIZED_NATIVELY:
+        case AUTHORIZED_BY_PROMPT:
+            try_to_set = TRUE;
+            break;
+
+        case UNAUTHORIZED_NATIVELY:
+        case UNAUTHORIZED_FAILED_PROMPT:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EACCES", "Insufficient permissions to set chassis type.");
+            break;
+
+        case ERROR_BADBUS:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EFAULT", "Provided bus name is invalid.");
+            break;
+
+        case ERROR_BADACTION:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EFAULT", "Provided action ID is invalid.");
+            break;
+
+        case ERROR_GENERIC:
+        default:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ECANCELED", "Failed to set chassis type for unknown reason.");
+            break;
+    }
+
+    /* verify passed chassis type's validity */
+    if(try_to_set && proposed_chassis_name) {
+
+        if(!is_valid_chassis_type(proposed_chassis_name)) {
+
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ECANCELED", "Chassis type must be 'desktop', 'laptop', 'server', 'tablet', 'handset', 'vm', or 'container'.");
+            g_free(valid_chassis_name_buf);
+
+        } else if(!(CHASSIS = valid_chassis_name_buf)) {
+
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ECANCELED", "Failed to set chassis type for unknown reason.");
+            g_free(valid_chassis_name_buf);
+
+        } else {
+
+            hostname1_set_chassis(hn1_passed_interf, CHASSIS);
+            g_ptr_array_add(hostnamed_freeable, valid_chassis_name_buf);
+            hostname1_complete_set_chassis(hn1_passed_interf, invoc);
+
+            if(g_key_file_load_from_file(config, "/etc/machine-info", G_KEY_FILE_NONE, NULL)) {
+
+                ret = TRUE;
+                g_key_file_set_string(config, "hostnamed", "ChassisType", valid_chassis_name_buf);
+
+            }
+        }
+    }
+
+    g_key_file_save_to_file(config, "/etc/machine-info", NULL);
+    g_key_file_unref(config);
+
+    return ret;
 }
 
 static gboolean
@@ -142,7 +456,80 @@ on_handle_set_icon_name(Hostname1 *hn1_passed_interf,
                         GDBusMethodInvocation *invoc,
                         const gchar *greet,
                         gpointer data) {
-    return FALSE;
+
+    GVariant *params;
+    gchar *proposed_icon_name, *valid_icon_name_buf;
+    const gchar *bus_name;
+    gboolean policykit_auth, ret, try_to_set;
+    check_auth_result is_authed;
+    GKeyFile *config;
+
+    config = g_key_file_new();
+    proposed_icon_name = NULL;
+    ret = try_to_set = FALSE;
+    
+    params = g_dbus_method_invocation_get_parameters(invoc);
+    g_variant_get(params, "(sb)", &proposed_icon_name, &policykit_auth);
+    bus_name = g_dbus_method_invocation_get_sender(invoc);
+
+    /* verify caller has correct permissions via polkit */
+    is_authed = polkit_try_auth(bus_name, "org.freedesktop.hostname1.set-icon-name", policykit_auth);
+
+    switch(is_authed) {
+
+        case AUTHORIZED_NATIVELY:
+        case AUTHORIZED_BY_PROMPT:
+            try_to_set = TRUE;
+            break;
+
+        case UNAUTHORIZED_NATIVELY:
+        case UNAUTHORIZED_FAILED_PROMPT:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EACCES", "Insufficient permissions to set icon name.");
+            break;
+
+        case ERROR_BADBUS:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EFAULT", "Provided bus name is invalid.");
+            break;
+
+        case ERROR_BADACTION:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.EFAULT", "Provided action ID is invalid.");
+            break;
+
+        case ERROR_GENERIC:
+        default:
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ECANCELED", "Failed to set icon name for unknown reason.");
+            break;
+    }
+
+    /* verify passed chassis type's validity */
+    if(try_to_set && proposed_icon_name) {
+
+        g_strlcpy(valid_icon_name_buf, proposed_icon_name, (gsize)64);
+
+        if(!(ICON = valid_icon_name_buf)) {
+
+            g_dbus_method_invocation_return_dbus_error(invoc, "org.freedesktop.hostname1.Error.ECANCELED", "Failed to set icon name for unknown reason.");
+            g_free(valid_icon_name_buf);
+
+        } else {
+
+            hostname1_set_icon_name(hn1_passed_interf, ICON);
+            g_ptr_array_add(hostnamed_freeable, valid_icon_name_buf);
+            hostname1_complete_set_icon_name(hn1_passed_interf, invoc);
+
+            if(g_key_file_load_from_file(config, "/etc/machine-info", G_KEY_FILE_NONE, NULL)) {
+
+                ret = TRUE;
+                g_key_file_set_string(config, "hostnamed", "IconName", valid_icon_name_buf);
+
+            }
+        }
+    }
+
+    g_key_file_save_to_file(config, "/etc/machine-info", NULL);
+    g_key_file_unref(config);
+
+    return ret;
 }
 
 /* note: all hostnamed/hostname1's properties are read-only,
@@ -154,60 +541,41 @@ on_handle_set_icon_name(Hostname1 *hn1_passed_interf,
 const gchar *
 our_get_hostname() {
 
-    gchar *hostname_buf, *ret;
-    size_t hostname_divider;
-
-    hostname_buf = (gchar*) g_malloc0(MAXHOSTNAMELEN);
-    ret          = (gchar*) g_malloc0(MAXHOSTNAMELEN);
+    gchar *hostname_buf;
+    hostname_buf = (gchar *)g_malloc0(MAXHOSTNAMELEN);
 
-    g_ptr_array_add(hostnamed_freeable, hostname_buf);
-    g_ptr_array_add(hostnamed_freeable, ret);
+    if(gethostname(hostname_buf, MAXHOSTNAMELEN))
+        return "localhost.home.network"; /* TODO bomb out here probably */
+    
+    else if(!g_strcmp0(HOSTNAME, hostname_buf)) {
 
-    if(gethostname(hostname_buf, MAXHOSTNAMELEN) || g_strcmp0(hostname_buf, "") == 0) 
-        return "localhost"; 
+        g_free(hostname_buf);
+        return HOSTNAME;
+    }
 
-    hostname_divider = strcspn(hostname_buf, ".");
+    g_ptr_array_add(hostnamed_freeable, hostname_buf);
+    HOSTNAME = hostname_buf;
+    hostname1_set_hostname(hostnamed_interf, HOSTNAME);
 
-    return strncpy(ret, hostname_buf, hostname_divider);
+    return HOSTNAME;
 }
 
 const gchar *
 our_get_static_hostname() {
 
-    const gchar *pretty_hostname;
-    const gchar *ret;
-
-    pretty_hostname = our_get_pretty_hostname();
-
-    if(g_strcmp0(pretty_hostname, "") == 0)
-        ret = our_get_hostname();
-
-    else if((ret = g_hostname_to_ascii(pretty_hostname))) {
+    if(STATIC_HOSTNAME && g_strcmp0(STATIC_HOSTNAME, ""))
+        return STATIC_HOSTNAME;
+    else if(HOSTNAME)
+        return HOSTNAME;
 
-        g_ptr_array_add(hostnamed_freeable, (gpointer)ret);
-        return ret;
-    }
-
-    return ret;
+    return "localhost.home.network";
 }
 
 const gchar *
 our_get_pretty_hostname() {
 
-    GKeyFile *config;
-    gchar *ret;
-
-    config = g_key_file_new();
-
-    if(g_key_file_load_from_file(config, "/etc/systemd_compat.conf", G_KEY_FILE_NONE, NULL)
-        && (ret = g_key_file_get_value(config, "hostnamed", "PrettyHostname", NULL))) { /* ret might need to be freed, docs dont specify but i am suspicious */
-
-        g_key_file_unref(config);
-        return ret;
-    }
-
-    if(config)
-        g_free(config);
+    if(PRETTY_HOSTNAME)
+        return PRETTY_HOSTNAME;
 
     return "";
 }
@@ -218,7 +586,7 @@ our_get_chassis() {
    if(CHASSIS)
         return CHASSIS;
 
-    return "desktop";
+    return "desktop"; /* this leads to the most generic beheivor in the unlikely case its returned */
 }
 
 const gchar *
@@ -233,38 +601,48 @@ our_get_icon_name() {
 const gchar *
 our_get_kernel_name() {
 
-    return "TODO";
+    if(KERN_NAME)
+        return KERN_NAME;
+
+    return "";
 }
 
 const gchar *
 our_get_kernel_version() {
 
-    return "TODO";
+    if(KERN_VERS)
+        return KERN_VERS;
+
+    return "";
 }
 
 const gchar *
 our_get_kernel_release() {
 
-    return "TODO";
+    if(KERN_RELEASE)
+        return KERN_RELEASE;
+
+    return "";
 }
 
 const gchar *
 our_get_os_cpename() {
 
-    return "TODO";
+    /* XXX needs to parse /etc/os-release (fallback to /usr/local/lib/os-release) */
+    return "";
 }
 
 const gchar *
 our_get_os_pretty_name() {
 
-    return "TODO";
+    return "OpenBSD";
 }
 
 /* --- end method/property/dbus signal code, begin bus/name handlers --- */
 
 static void hostnamed_on_bus_acquired(GDBusConnection *conn,
-                            const gchar *name,
-                            gpointer user_data) {
+                                      const gchar *name,
+                                      gpointer user_data) {
 
     g_printf("got bus/name, exporting %s's interface...\n", name);
 
@@ -364,16 +742,21 @@ void set_signal_handlers() {
 }
 
 int main() {
-   
-    /* TODO: check for valid, writable config at init. if no, complain to `make install` */
  
+    hostnamed_freeable = g_ptr_array_new();
+  
+    /* TODO: check for valid, writable config at init. if no, complain to `make install` */
+
+    CHASSIS = ICON = OS_CPENAME = 0;
+    KERN_NAME = KERN_RELEASE = KERN_VERS = 0;
+    HOSTNAME = STATIC_HOSTNAME = PRETTY_HOSTNAME = NULL;
+
     set_signal_handlers();
 
-    if(!determine_chassis_and_icon())
+    if(!determine_chassis_and_icon() || !set_uname_properties() || !set_names())
         return 1;
     
-    hostnamed_loop     = g_main_loop_new(NULL, TRUE);
-    hostnamed_freeable = g_ptr_array_new();
+    hostnamed_loop = g_main_loop_new(NULL, TRUE);
 
     bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
                                    "org.freedesktop.hostname1",
@@ -397,15 +780,99 @@ int main() {
     return 0;
 }
 
+gboolean set_names() {
+
+    /* (1) set up */
+    gchar *hostname_buf, *static_hostname_buf, *pretty_hostname_buf;
+    GKeyFile *config;
+    size_t hostname_divider;
+
+    hostname_buf        = (gchar*) g_malloc0(MAXHOSTNAMELEN);
+    static_hostname_buf = (gchar*) g_malloc0(4096);
+    pretty_hostname_buf = (gchar*) g_malloc0(4096);
+
+    config = g_key_file_new();
+
+    g_ptr_array_add(hostnamed_freeable, hostname_buf);
+    g_ptr_array_add(hostnamed_freeable, static_hostname_buf);
+    g_ptr_array_add(hostnamed_freeable, pretty_hostname_buf);
+
+    /* (2) set HOSTNAME */
+    if(gethostname(hostname_buf, MAXHOSTNAMELEN) || !g_strcmp0(hostname_buf, "")) 
+        HOSTNAME = "localhost";
+
+    HOSTNAME = hostname_buf;
+
+    /* this bit gets you the /etc/myname style hostname
+    hostname_divider = strcspn(hostname_buf, ".");
+    strncpy(ret, hostname_buf, hostname_divider); */
+
+    /* (3) set PRETTY_HOSTNAME */
+    if(g_key_file_load_from_file(config, "/etc/machine-info", G_KEY_FILE_NONE, NULL)
+        && (pretty_hostname_buf = g_key_file_get_value(config, "hostnamed", "PRETTY_HOSTNAME", NULL)))
+        PRETTY_HOSTNAME = pretty_hostname_buf;
+    else
+        PRETTY_HOSTNAME = "";
+    if(config)
+        g_key_file_unref(config);
+
+    /* (4) set STATIC_HOSTNAME */ 
+    if(!g_strcmp0(PRETTY_HOSTNAME, ""))
+        STATIC_HOSTNAME = HOSTNAME;
+
+    else if((static_hostname_buf = g_hostname_to_ascii(PRETTY_HOSTNAME)))
+        STATIC_HOSTNAME = static_hostname_buf;
+
+    return (HOSTNAME && STATIC_HOSTNAME && PRETTY_HOSTNAME) ? TRUE : FALSE;
+
+}
+
+gboolean set_uname_properties() {
+
+    struct utsname un;
+
+    if(-1 == uname(&un))
+        return FALSE;
+
+    KERN_NAME = (gchar*)g_malloc0(sizeof(un.sysname));
+    g_ptr_array_add(hostnamed_freeable, KERN_NAME);
+    g_strlcpy(KERN_NAME, un.sysname, sizeof(un.sysname));
+
+    KERN_RELEASE = (gchar*)g_malloc0(sizeof(un.release));
+    g_ptr_array_add(hostnamed_freeable, KERN_RELEASE);
+    g_strlcpy(KERN_RELEASE, un.release, sizeof(un.release));
+
+    KERN_VERS = (gchar*)g_malloc0(sizeof(un.version));
+    g_ptr_array_add(hostnamed_freeable, KERN_VERS);
+    g_strlcpy(KERN_VERS, un.version, sizeof(un.version));
+
+    return TRUE;
+}
+
 gboolean determine_chassis_and_icon() {
 
+    const size_t bufsize = 4096;    
+
     char *hwproduct, *hwmodel, *hwvendor, *hwmachine;
     size_t hwproduct_size, hwmodel_size, hwvendor_size, hwmachine_size;
     int hwproduct_name[2], hwmodel_name[2], hwvendor_name[2], hwmachine_name[2];
     unsigned int i;
     gboolean UNSURE_CHASSIS_FLAG, UNSURE_ICON_FLAG;
 
-    hwproduct = hwmodel = hwvendor = hwmachine = NULL;
+    hwproduct_size = hwmodel_size = hwvendor_size = hwmachine_size = bufsize;
+    UNSURE_CHASSIS_FLAG = UNSURE_ICON_FLAG = FALSE;
+    i = 0;
+
+    hwproduct = (char*)g_malloc0(4096);
+    hwmodel   = (char*)g_malloc0(4096);
+    hwvendor  = (char*)g_malloc0(4096);
+    hwmachine = (char*)g_malloc0(4096);
+
+    g_ptr_array_add(hostnamed_freeable, hwproduct);
+    g_ptr_array_add(hostnamed_freeable, hwmodel);
+    g_ptr_array_add(hostnamed_freeable, hwvendor);
+    g_ptr_array_add(hostnamed_freeable, hwmachine);
 
     hwproduct_name[0] = CTL_HW;
     hwproduct_name[1] = HW_PRODUCT;
@@ -543,3 +1010,18 @@ gboolean up_native_get_sensordev(const char * id, struct sensordev * snsrdev) {
 
     return FALSE;
 }
+
+static gboolean is_valid_chassis_type(gchar *test) {
+
+    if(!g_strcmp0(test, "desktop") ||
+       !g_strcmp0(test, "laptop") ||
+       !g_strcmp0(test, "server") ||
+       !g_strcmp0(test, "tablet") ||
+       !g_strcmp0(test, "handset") ||
+       !g_strcmp0(test, "vm") ||
+       !g_strcmp0(test, "container") ||
+       !g_strcmp0(test, ""))
+        return TRUE;
+
+    return FALSE;
+}