/*
* Create a process description
*/
ni_shellcmd_t *
ni_shellcmd_new(const ni_string_array_t *argv)
{
ni_shellcmd_t *cmd;
unsigned int i;
cmd = xcalloc(1, sizeof(*cmd));
cmd->refcount = 1;
if (!argv)
return cmd;
for (i = 0; i < argv->count; ++i) {
const char *arg = argv->data[i];
if (ni_string_empty(arg)) {
__ni_shellcmd_free(cmd);
return NULL;
}
if (ni_string_array_append(&cmd->argv, arg) < 0) {
__ni_shellcmd_free(cmd);
return NULL;
}
}
if (__ni_shellcmd_format(&cmd->command, &cmd->argv) == NULL) {
__ni_shellcmd_free(cmd);
return NULL;
}
if (ni_string_array_copy(&cmd->environ, __ni_default_environment()) < 0) {
__ni_shellcmd_free(cmd);
return NULL;
}
return cmd;
}
ni_process_t *
ni_process_new(ni_shellcmd_t *proc)
{
ni_process_t *pi;
pi = xcalloc(1, sizeof(*pi));
pi->process = ni_shellcmd_hold(proc);
/* Copy the command array */
ni_string_array_copy(&pi->argv, &proc->argv);
/* Copy the environment */
ni_string_array_copy(&pi->environ, &proc->environ);
return pi;
}
/*
* Compare string arrays, much the same way comm(1) works
* We ignore order of the input arrays, but expect values to be
* unique.
*
* Mode of operations: first duplicate string arrays.
* Then sort array A into common or uniq_a - we can do this by simply
* moving the string pointer, no need to further clone it.
* When we find a common string, we also clear out the corresponding
* value in B.
* As a last step, we know that any strings left in the copy of array B
* must be unique to B.
*/
void
ni_string_array_comm(const ni_string_array_t *a, const ni_string_array_t *b,
ni_string_array_t *uniq_a,
ni_string_array_t *uniq_b,
ni_string_array_t *common)
{
ni_string_array_t copy_a, copy_b;
unsigned int i, j;
ni_string_array_init(©_a);
ni_string_array_copy(©_a, a);
ni_string_array_init(©_b);
ni_string_array_copy(©_b, b);
for (i = 0; i < copy_a.count; ++i) {
char *val_a = copy_a.data[i];
for (j = 0; j < copy_b.count && val_a; ++j) {
char *val_b = copy_b.data[j];
if (val_b && !strcmp(val_a, val_b)) {
__ni_string_array_append(common, val_a);
ni_string_free(©_b.data[j]);
val_a = NULL;
}
}
if (val_a)
__ni_string_array_append(uniq_a, val_a);
copy_a.data[i] = NULL;
}
for (j = 0; j < copy_b.count; ++j) {
char *val_b = copy_b.data[j];
if (val_b)
__ni_string_array_append(uniq_b, val_b);
copy_b.data[j] = NULL;
}
ni_string_array_destroy(©_a);
ni_string_array_destroy(©_b);
}
/*
* Create a process description
*/
ni_shellcmd_t *
ni_shellcmd_new(const ni_string_array_t *argv)
{
ni_shellcmd_t *cmd;
cmd = xcalloc(1, sizeof(*cmd));
cmd->refcount = 1;
if (argv && !__ni_shellcmd_set_argv(cmd, argv)) {
__ni_shellcmd_free(cmd);
return NULL;
}
if (ni_string_array_copy(&cmd->environ, __ni_default_environment()) < 0) {
__ni_shellcmd_free(cmd);
return NULL;
}
return cmd;
}
ni_shellcmd_t *
ni_shellcmd_parse(const char *command)
{
ni_shellcmd_t *cmd;
if (ni_string_empty(command))
return NULL;
cmd = xcalloc(1, sizeof(*cmd));
cmd->refcount = 1;
ni_string_dup(&cmd->command, command);
if (!__ni_shellcmd_parse(&cmd->argv, cmd->command)) {
__ni_shellcmd_free(cmd);
return NULL;
}
if (ni_string_array_copy(&cmd->environ, __ni_default_environment()) < 0) {
__ni_shellcmd_free(cmd);
return NULL;
}
return cmd;
}
static int
ni_do_ifup_direct(int argc, char **argv)
{
enum { OPT_HELP, OPT_IFCONFIG, OPT_CONTROL_MODE, OPT_STAGE, OPT_TIMEOUT,
OPT_SKIP_ACTIVE, OPT_SKIP_ORIGIN, OPT_PERSISTENT, OPT_TRANSIENT,
#ifdef NI_TEST_HACKS
OPT_IGNORE_PRIO, OPT_IGNORE_STARTMODE,
#endif
};
static struct option ifup_options[] = {
{ "help", no_argument, NULL, OPT_HELP },
{ "ifconfig", required_argument, NULL, OPT_IFCONFIG },
{ "mode", required_argument, NULL, OPT_CONTROL_MODE },
{ "boot-stage", required_argument, NULL, OPT_STAGE },
{ "skip-active",required_argument, NULL, OPT_SKIP_ACTIVE },
{ "skip-origin",required_argument, NULL, OPT_SKIP_ORIGIN },
{ "timeout", required_argument, NULL, OPT_TIMEOUT },
{ "transient", no_argument, NULL, OPT_TRANSIENT },
#ifdef NI_TEST_HACKS
{ "ignore-prio",no_argument, NULL, OPT_IGNORE_PRIO },
{ "ignore-startmode",no_argument, NULL, OPT_IGNORE_STARTMODE },
#endif
{ "persistent", no_argument, NULL, OPT_PERSISTENT },
{ NULL }
};
ni_ifmatcher_t ifmatch;
ni_ifmarker_t ifmarker;
ni_ifworker_array_t ifmarked;
ni_string_array_t opt_ifconfig = NI_STRING_ARRAY_INIT;
ni_bool_t check_prio = TRUE;
ni_bool_t opt_transient = FALSE;
unsigned int nmarked;
ni_fsm_t *fsm;
int c, status = NI_WICKED_RC_USAGE;
unsigned int timeout = 0;
const char *ptr;
fsm = ni_fsm_new();
ni_assert(fsm);
ni_fsm_require_register_type("reachable", ni_ifworker_reachability_check_new);
memset(&ifmatch, 0, sizeof(ifmatch));
memset(&ifmarker, 0, sizeof(ifmarker));
memset(&ifmarked, 0, sizeof(ifmarked));
/* Allow ifup on all interfaces we have config for */
ifmatch.require_configured = FALSE;
ifmatch.allow_persistent = TRUE;
ifmatch.require_config = TRUE;
ifmarker.target_range.min = NI_FSM_STATE_ADDRCONF_UP;
ifmarker.target_range.max = __NI_FSM_STATE_MAX;
/*
* Workaround to consider WAIT_FOR_INTERFACES variable
* in network/config (bnc#863371, bnc#862530 timeouts).
* Correct would be to get it from compat layer, but
* the network/config is sourced in systemd service...
*/
if ((ptr = getenv("WAIT_FOR_INTERFACES"))) {
unsigned int sec;
if (ni_parse_uint(ptr, &sec, 10) == 0 &&
(sec * 1000 > fsm->worker_timeout)) {
ni_debug_application("wait %u sec for interfaces", sec);
timeout = sec * 1000;
}
}
optind = 1;
while ((c = getopt_long(argc, argv, "", ifup_options, NULL)) != EOF) {
switch (c) {
case OPT_IFCONFIG:
ni_string_array_append(&opt_ifconfig, optarg);
break;
case OPT_CONTROL_MODE:
ifmatch.mode = optarg;
break;
case OPT_STAGE:
ifmatch.boot_stage= optarg;
break;
case OPT_TIMEOUT:
if (!strcmp(optarg, "infinite")) {
timeout = NI_IFWORKER_INFINITE_TIMEOUT;
} else if (ni_parse_uint(optarg, &timeout, 10) >= 0) {
timeout *= 1000; /* sec -> msec */
} else {
ni_error("ifup: cannot parse timeout option \"%s\"", optarg);
goto usage;
}
break;
case OPT_SKIP_ORIGIN:
ifmatch.skip_origin = optarg;
break;
case OPT_SKIP_ACTIVE:
ifmatch.skip_active = TRUE;
break;
#ifdef NI_TEST_HACKS
case OPT_IGNORE_PRIO:
check_prio = FALSE;
break;
case OPT_IGNORE_STARTMODE:
ifmatch.ignore_startmode = TRUE;
break;
#endif
case OPT_PERSISTENT:
ifmarker.persistent = TRUE;
break;
case OPT_TRANSIENT:
opt_transient = TRUE;
break;
default:
case OPT_HELP:
usage:
fprintf(stderr,
"wicked [options] ifup [ifup-options] <ifname ...>|all\n"
"\nSupported ifup-options:\n"
" --help\n"
" Show this help text.\n"
" --transient\n"
" Enable transient interface return codes\n"
" --ifconfig <pathname>\n"
" Read interface configuration(s) from file/directory rather than using system config\n"
" --mode <label>\n"
" Only touch interfaces with matching control <mode>\n"
" --boot-stage <label>\n"
" Only touch interfaces with matching <boot-stage>\n"
" --skip-active\n"
" Do not touch running interfaces\n"
" --skip-origin <name>\n"
" Skip interfaces that have a configuration origin of <name>\n"
" Usually, you would use this with the name \"firmware\" to avoid\n"
" touching interfaces that have been set up via firmware (like iBFT) previously\n"
" --timeout <nsec>\n"
" Timeout after <nsec> seconds\n"
#ifdef NI_TEST_HACKS
" --ignore-prio\n"
" Ignore checking the config origin priorities\n"
" --ignore-startmode\n"
" Ignore checking the STARTMODE=off and STARTMODE=manual configs\n"
#endif
" --persistent\n"
" Set interface into persistent mode (no regular ifdown allowed)\n"
);
goto cleanup;
}
}
if (optind >= argc) {
fprintf(stderr, "Missing interface argument\n");
goto usage;
}
if (!ni_fsm_create_client(fsm)) {
/* Severe error we always explicitly return */
status = NI_WICKED_RC_ERROR;
goto cleanup;
}
if (!ni_fsm_refresh_state(fsm)) {
/* Severe error we always explicitly return */
status = NI_WICKED_RC_ERROR;
goto cleanup;
}
if (opt_ifconfig.count == 0) {
const ni_string_array_t *sources = ni_config_sources("ifconfig");
if (sources && sources->count)
ni_string_array_copy(&opt_ifconfig, sources);
if (opt_ifconfig.count == 0) {
ni_error("ifup: unable to load interface config source list");
status = NI_WICKED_RC_NOT_CONFIGURED;
goto cleanup;
}
}
if (!ni_ifconfig_load(fsm, opt_global_rootdir, &opt_ifconfig, check_prio, TRUE)) {
status = NI_WICKED_RC_NOT_CONFIGURED;
goto cleanup;
}
/* Client waits for device-up events for WAIT_FOR_INTERFACES */
if (timeout)
ni_wait_for_interfaces = timeout; /* One set by user */
else
ni_wait_for_interfaces *= 1000; /* in msec */
if (ni_fsm_build_hierarchy(fsm) < 0) {
ni_error("ifup: unable to build device hierarchy");
/* Severe error we always explicitly return */
status = NI_WICKED_RC_ERROR;
goto cleanup;
}
/* Get workers that match given criteria */
nmarked = 0;
while (optind < argc) {
ifmatch.name = argv[optind++];
if (!strcmp(ifmatch.name, "boot")) {
ifmatch.name = "all";
ifmatch.mode = "boot";
}
ni_fsm_get_matching_workers(fsm, &ifmatch, &ifmarked);
}
ni_ifup_pull_in_children(&ifmarked);
/* Mark and start selected workers */
if (ifmarked.count)
nmarked = ni_fsm_mark_matching_workers(fsm, &ifmarked, &ifmarker);
if (nmarked == 0) {
printf("ifup: no matching interfaces\n");
status = NI_WICKED_RC_SUCCESS;
} else {
if (ni_fsm_schedule(fsm) != 0)
ni_fsm_mainloop(fsm);
/* No error if all interfaces were good */
status = ni_fsm_fail_count(fsm) ?
NI_WICKED_RC_ERROR : NI_WICKED_RC_SUCCESS;
/* Do not report any transient errors to systemd (e.g. dhcp
* or whatever not ready in time) -- returning an error may
* cause to stop the network completely.
*/
if (!opt_transient)
status = NI_LSB_RC_SUCCESS;
}
cleanup:
ni_ifworker_array_destroy(&ifmarked);
ni_string_array_destroy(&opt_ifconfig);
return status;
}
int
ni_do_ifreload(int argc, char **argv)
{
enum { OPT_HELP, OPT_IFCONFIG, OPT_PERSISTENT, OPT_TRANSIENT,
#ifdef NI_TEST_HACKS
OPT_IGNORE_PRIO, OPT_IGNORE_STARTMODE,
#endif
};
static struct option ifreload_options[] = {
{ "help", no_argument, NULL, OPT_HELP },
{ "transient", no_argument, NULL, OPT_TRANSIENT },
{ "ifconfig", required_argument, NULL, OPT_IFCONFIG },
#ifdef NI_TEST_HACKS
{ "ignore-prio",no_argument, NULL, OPT_IGNORE_PRIO },
{ "ignore-startmode",no_argument, NULL, OPT_IGNORE_STARTMODE },
#endif
{ "persistent", no_argument, NULL, OPT_PERSISTENT },
{ NULL, no_argument, NULL, 0 }
};
ni_string_array_t opt_ifconfig = NI_STRING_ARRAY_INIT;
ni_ifworker_array_t marked = { 0, NULL };
ni_ifmatcher_t ifmatch;
ni_bool_t check_prio = TRUE;
ni_bool_t opt_persistent = FALSE;
ni_bool_t opt_transient = FALSE;
int c, status = NI_WICKED_RC_USAGE;
unsigned int nmarked, i;
const ni_uint_range_t up_range = {
.min = NI_FSM_STATE_ADDRCONF_UP,
.max = __NI_FSM_STATE_MAX
};
const char *ptr;
ni_fsm_t *fsm;
/* Allow ifreload on all interfaces with a changed config */
memset(&ifmatch, 0, sizeof(ifmatch));
ifmatch.require_configured = FALSE;
ifmatch.allow_persistent = TRUE;
ifmatch.require_config = FALSE;
fsm = ni_fsm_new();
ni_assert(fsm);
ni_fsm_require_register_type("reachable", ni_ifworker_reachability_check_new);
/*
* Workaround to consider WAIT_FOR_INTERFACES variable
* in network/config (bnc#863371, bnc#862530 timeouts).
* Correct would be to get it from compat layer, but
* the network/config is sourced in systemd service...
*/
if ((ptr = getenv("WAIT_FOR_INTERFACES"))) {
unsigned int sec;
if (ni_parse_uint(ptr, &sec, 10) == 0 &&
(sec * 1000 > fsm->worker_timeout)) {
ni_debug_application("wait %u sec for interfaces", sec);
fsm->worker_timeout = sec * 1000;
}
}
optind = 1;
while ((c = getopt_long(argc, argv, "", ifreload_options, NULL)) != EOF) {
switch (c) {
case OPT_IFCONFIG:
ni_string_array_append(&opt_ifconfig, optarg);
break;
#ifdef NI_TEST_HACKS
case OPT_IGNORE_PRIO:
check_prio = FALSE;
break;
case OPT_IGNORE_STARTMODE:
ifmatch.ignore_startmode = TRUE;
break;
#endif
case OPT_PERSISTENT:
opt_persistent = TRUE;
break;
case OPT_TRANSIENT:
opt_transient = TRUE;
break;
default:
case OPT_HELP:
usage:
fprintf(stderr,
"wicked [options] ifreload [ifreload-options] <ifname ...>|all\n"
"\nSupported ifreload-options:\n"
" --help\n"
" Show this help text.\n"
" --transient\n"
" Enable transient interface return codes\n"
" --ifconfig <filename>\n"
" Read interface configuration(s) from file\n"
#ifdef NI_TEST_HACKS
" --ignore-prio\n"
" Ignore checking the config origin priorities\n"
" --ignore-startmode\n"
" Ignore checking the STARTMODE=off and STARTMODE=manual configs\n"
#endif
" --persistent\n"
" Set interface into persistent mode (no regular ifdown allowed)\n"
);
goto cleanup;
}
}
/* at least one argument is required */
if (optind >= argc) {
fprintf(stderr, "Missing interface argument\n");
goto usage;
} else for (c = optind; c < argc; ++c) {
if (ni_string_empty(argv[c])) {
printf("ARG: %s\n", argv[c]);
goto usage;
}
}
if (!ni_fsm_create_client(fsm)) {
/* Severe error we always explicitly return */
status = NI_WICKED_RC_ERROR;
goto cleanup;
}
if (!ni_fsm_refresh_state(fsm)) {
/* Severe error we always explicitly return */
status = NI_WICKED_RC_ERROR;
goto cleanup;
}
if (opt_ifconfig.count == 0) {
const ni_string_array_t *sources = ni_config_sources("ifconfig");
if (sources && sources->count)
ni_string_array_copy(&opt_ifconfig, sources);
if (opt_ifconfig.count == 0) {
ni_error("ifreload: unable to load interface config source list");
status = NI_WICKED_RC_NOT_CONFIGURED;
goto cleanup;
}
}
if (!ni_ifconfig_load(fsm, opt_global_rootdir, &opt_ifconfig, check_prio, TRUE)) {
status = NI_WICKED_RC_NOT_CONFIGURED;
goto cleanup;
}
status = NI_WICKED_RC_SUCCESS;
nmarked = 0;
for (c = optind; c < argc; ++c) {
ni_ifworker_array_t temp = { 0, NULL };
/* Getting an array of ifworkers matching argument */
ifmatch.name = argv[c];
if (!ni_fsm_get_matching_workers(fsm, &ifmatch, &temp))
continue;
for (i = 0; i < temp.count; ++i) {
ni_ifworker_t *w = temp.data[i];
ni_netdev_t *dev = w->device;
/* skip duplicate matches */
if (ni_ifworker_array_index(&marked, w) != -1)
continue;
/* skip unused devices without config */
if (!ni_ifcheck_worker_config_exists(w) &&
!ni_ifcheck_device_configured(dev))
continue;
/* skip if config changed somehow */
if (ni_ifcheck_worker_config_matches(w))
continue;
/* Mark persistend when requested */
if (opt_persistent)
w->client_state.persistent = TRUE;
/* Remember all changed devices */
ni_ifworker_array_append(&marked, w);
/* Persistent do not go down but up only */
if (!dev || ni_ifcheck_device_is_persistent(dev))
continue;
/* Decide how much down we go */
if (ni_ifcheck_worker_config_exists(w)) {
if (!ni_ifcheck_device_configured(dev))
continue;
w->target_range.min = NI_FSM_STATE_NONE;
w->target_range.max = NI_FSM_STATE_DEVICE_READY;
nmarked++;
} else
if (ni_ifcheck_device_configured(dev)) {
w->target_range.min = NI_FSM_STATE_NONE;
w->target_range.max = NI_FSM_STATE_DEVICE_DOWN;
nmarked++;
}
}
ni_ifworker_array_destroy(&temp);
}
if (nmarked) {
/* Run ifdown part of the reload */
ni_debug_application("Shutting down unneeded devices");
ni_fsm_start_matching_workers(fsm, &marked);
/* Execute the down run */
if (ni_fsm_schedule(fsm) != 0)
ni_fsm_mainloop(fsm);
}
if (marked.count) {
/* Drop deleted or apply the up range */
ni_fsm_reset_matching_workers(fsm, &marked, &up_range, FALSE);
/* And trigger up */
ni_debug_application("Reloading all changed devices");
ni_ifup_pull_in_children(&marked);
nmarked = ni_fsm_start_matching_workers(fsm, &marked);
ni_ifworker_array_destroy(&marked);
}
if (nmarked) {
/* Build the up tree */
if (ni_fsm_build_hierarchy(fsm) < 0) {
ni_error("ifreload: unable to build device hierarchy");
/* Severe error we always explicitly return */
status = NI_WICKED_RC_ERROR;
goto cleanup;
}
/* Execute the up run */
if (ni_fsm_schedule(fsm) != 0)
ni_fsm_mainloop(fsm);
/* No error if all interfaces were good */
status = ni_fsm_fail_count(fsm) ?
NI_WICKED_RC_ERROR : NI_WICKED_RC_SUCCESS;
/* Do not report any transient errors to systemd (e.g. dhcp
* or whatever not ready in time) -- returning an error may
* cause to stop the network completely.
*/
if (!opt_transient)
status = NI_LSB_RC_SUCCESS;
}
cleanup:
ni_string_array_destroy(&opt_ifconfig);
ni_ifworker_array_destroy(&marked);
return status;
}
