X-Git-Url: https://uglyman.kremlin.cc/gitweb/gitweb.cgi?p=systembsd.git;a=blobdiff_plain;f=src%2Finterfaces%2Fhostnamed%2Fhostnamed.c;h=81200e73a92ab0fec3958c80f883e7fbe79cfc7b;hp=52a419b3564bb3e9ac67011545e5f4818a55e1b8;hb=5ea060f8c0faa96f70bbdda34a3862c208fb3fc0;hpb=5b70f403d2cfb721bb59bbbc4e42d65c251c9b22 diff --git a/src/interfaces/hostnamed/hostnamed.c b/src/interfaces/hostnamed/hostnamed.c index 52a419b..81200e7 100644 --- a/src/interfaces/hostnamed/hostnamed.c +++ b/src/interfaces/hostnamed/hostnamed.c @@ -29,11 +29,13 @@ #include #include -/* #include */ +#include #include "hostnamed-gen.h" #include "hostnamed.h" +#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 @@ -79,9 +81,9 @@ 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 *OS_CPENAME; -gchar *KERN_NAME, *KERN_RELEASE, *KERN_VERS; +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 @@ -108,10 +110,12 @@ const gchar *server_archs[] = { "sparc64" }; +static const gchar *DEFAULT_DOMAIN = ".home.network"; +static const gchar *OS_HOSTNAME_PATH = "/etc/myname"; + /* --- begin method/property/dbus signal code --- */ -/* TODO the extra boolean passed to these funcs is for policykit auth */ -/* TODO complete call with error, message, etc */ +/* TODO free some strings here */ static gboolean on_handle_set_hostname(Hostname1 *hn1_passed_interf, GDBusMethodInvocation *invoc, @@ -119,30 +123,71 @@ on_handle_set_hostname(Hostname1 *hn1_passed_interf, gpointer data) { GVariant *params; gchar *proposed_hostname, *valid_hostname_buf; - gboolean policykit_auth, ret; - size_t check_length, bad_length; + const gchar *bus_name; + gboolean policykit_auth, ret, try_to_set; + size_t check_length; + check_auth_result is_authed; - bad_length = MAXHOSTNAMELEN + 1; proposed_hostname = NULL; - ret = FALSE; + 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); - if(proposed_hostname && (valid_hostname_buf = g_hostname_to_ascii(proposed_hostname))) { + /* verify caller has correct permissions via polkit */ + is_authed = polkit_try_auth(bus_name, "org.freedesktop.hostname1.set-hostname", policykit_auth); - check_length = strnlen(proposed_hostname, bad_length); + switch(is_authed) { - if(check_length < bad_length && !sethostname(proposed_hostname, check_length)) - ret = TRUE; + 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; } - hostname1_complete_set_hostname(hn1_passed_interf, invoc); + /* 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(proposed_hostname) - g_free(proposed_hostname); - if(valid_hostname_buf) - g_free(valid_hostname_buf); + 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; } @@ -152,7 +197,88 @@ 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, *bsd_hostname_try; + 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); + + /* set string in OS_HOSTNAME_PATH ("/etc/myname" on bsd) */ + bsd_hostname_try = get_bsd_hostname(STATIC_HOSTNAME); + GError *debug_error; + if(!bsd_hostname_try || !g_file_set_contents(OS_HOSTNAME_PATH, bsd_hostname_try, -1, &debug_error)) + g_printf("failed to write to %s! are you root?\n", OS_HOSTNAME_PATH); + + if(bsd_hostname_try) + g_free(bsd_hostname_try); + + /* call sethostname(3) too */ + 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 @@ -160,7 +286,95 @@ 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); + + } */ + } + } + } + + g_key_file_save_to_file(config, "/etc/machine-info", NULL); + g_key_file_unref(config); + + return ret; } static gboolean @@ -168,7 +382,86 @@ 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 @@ -176,7 +469,80 @@ 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, @@ -188,60 +554,41 @@ 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 ""; } @@ -252,7 +599,7 @@ 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 * @@ -294,7 +641,8 @@ our_get_kernel_release() { const gchar * our_get_os_cpename() { - return "ONEDAY"; + /* XXX needs to parse /etc/os-release (fallback to /usr/local/lib/os-release) */ + return ""; } const gchar * @@ -306,8 +654,8 @@ our_get_os_pretty_name() { /* --- 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); @@ -412,15 +760,18 @@ int main() { /* TODO: check for valid, writable config at init. if no, complain to `make install` */ + get_bsd_hostname("adsf"); /* TODO KILL ME */ + 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() || !set_uname_properties()) + if(!determine_chassis_and_icon() || !set_uname_properties() || !set_names()) return 1; - hostnamed_loop = g_main_loop_new(NULL, TRUE); + hostnamed_loop = g_main_loop_new(NULL, TRUE); bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM, "org.freedesktop.hostname1", @@ -444,6 +795,54 @@ 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 = ""; + + + /* (4) set STATIC_HOSTNAME */ + if((static_hostname_buf = g_key_file_get_value(config, "hostnamed", "STATIC_HOSTNAME", NULL))) + STATIC_HOSTNAME = static_hostname_buf; + + else + STATIC_HOSTNAME = ""; + + if(config) + g_key_file_unref(config); + + return (HOSTNAME && STATIC_HOSTNAME && PRETTY_HOSTNAME) ? TRUE : FALSE; +} + gboolean set_uname_properties() { struct utsname un; @@ -626,3 +1025,115 @@ 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; +} + +/* returns a proper, bsd-style FQDN hostname safe to write to /etc/myname + * if proposed_hostname does not contain an appended domain, the one in /etc/myname is substituted. + * failing that, DEFAULT_DOMAIN is used. NULL if proposed_hostname is invalid + * returns string that should be g_free()'d, or NULL if passed an invalid hostname */ +static gchar *get_bsd_hostname(gchar *proposed_hostname) { + + gchar *bsd_hostname, *ascii_translated_hostname, **myname_contents, *passed_domain, *temp_buf; + size_t domain_len, check_len; + gboolean read_result; + + g_strdelimit(proposed_hostname, "`~!@#$%^&*()_=+[{]}|:;'\"\\", '-'); + + ascii_translated_hostname = g_hostname_to_ascii(proposed_hostname); + check_len = strnlen(ascii_translated_hostname, MAXHOSTNAMELEN); + + if(!ascii_translated_hostname || !check_len || check_len > MAXHOSTNAMELEN || !g_strcmp0("", ascii_translated_hostname) || !g_strcmp0(".", ascii_translated_hostname)) { + + bsd_hostname = NULL; + passed_domain = NULL; + myname_contents = NULL; + + } else if((passed_domain = has_domain(ascii_translated_hostname))) { + + bsd_hostname = (gchar *) g_malloc0(MAXHOSTNAMELEN); + g_strlcpy(bsd_hostname, ascii_translated_hostname, MAXHOSTNAMELEN); + + passed_domain = NULL; + myname_contents = NULL; + + } else { + + myname_contents = (gchar **) g_malloc0(MAXHOSTNAMELEN * 2); + read_result = g_file_get_contents(OS_HOSTNAME_PATH, myname_contents, NULL, NULL); + + if(read_result && (passed_domain = has_domain(myname_contents[0]))) { + + domain_len = strnlen(passed_domain, MAXHOSTNAMELEN); + + if((domain_len + check_len) > MAXHOSTNAMELEN) + bsd_hostname = NULL; + else + bsd_hostname = g_strconcat(ascii_translated_hostname, passed_domain, NULL); + + } else if(myname_contents[0]) { + + g_printf("%s does not contain a proper FQDN! this is a significant error on BSD machines, otherwise OK.\nfalling back to default domain, '%s'\n", OS_HOSTNAME_PATH, DEFAULT_DOMAIN); + + domain_len = strnlen(DEFAULT_DOMAIN, MAXHOSTNAMELEN); + + if((domain_len + check_len) > MAXHOSTNAMELEN) + bsd_hostname = NULL; + else + bsd_hostname = g_strconcat(ascii_translated_hostname, DEFAULT_DOMAIN, NULL); + + } else { + + g_printf("could not read hostname at %s, this is a major error\n", OS_HOSTNAME_PATH); + bsd_hostname = NULL; + passed_domain = (gchar *) g_malloc0(MAXHOSTNAMELEN); + } + } + + if(passed_domain) + g_free(passed_domain); + if(myname_contents) + g_free(myname_contents); + + if(bsd_hostname && !strchr(bsd_hostname, '\n')) { + + temp_buf = bsd_hostname; + bsd_hostname = g_strconcat(bsd_hostname, "\n", NULL); + g_free(temp_buf); + } + + return bsd_hostname; +} + +/* returns NULL if no domain, otherwise append-appropriate domain string you must g_free() + * i.e. has_domain("foo.bar.com") returns ".bar.com" + * only pass g_hostname_to_ascii'd strings */ +static gchar *has_domain(const gchar *test) { + + size_t hostname_len, full_len; + gchar *ret; + + hostname_len = strcspn(test, "."); + full_len = strnlen(test, MAXHOSTNAMELEN); + + if(full_len == hostname_len) + return NULL; + + ret = (gchar *) g_malloc0(MAXHOSTNAMELEN); + g_strlcpy(ret, &test[hostname_len], MAXHOSTNAMELEN); + + return ret; +}