#include <string.h>
#include <stdlib.h>
+#include <limits.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <talloc/talloc.h>
#include <list/list.h>
#include <log/log.h>
+#include <process/process.h>
#include "pb-config.h"
#include "storage.h"
static const char *known_params[] = {
"auto-boot?",
"petitboot,network",
+ "petitboot,timeout",
NULL,
};
static int parse_nvram(struct powerpc_nvram_storage *nv)
{
- int rc, len, buf_len;
- int pipefds[2], status;
- char *buf;
- pid_t pid;
-
- rc = pipe(pipefds);
- if (rc) {
- perror("pipe");
- return -1;
- }
-
- pid = fork();
-
- if (pid < 0) {
- perror("fork");
- return -1;
- }
-
- if (pid == 0) {
- close(STDIN_FILENO);
- close(pipefds[0]);
- dup2(pipefds[1], STDOUT_FILENO);
- execlp("nvram", "nvram", "--print-config",
- "--partition", partition, NULL);
- exit(EXIT_FAILURE);
- }
-
- close(pipefds[1]);
-
- len = 0;
- buf_len = max_partition_size;
- buf = talloc_array(nv, char, buf_len);
+ struct process *process;
+ const char *argv[5];
+ int rc;
- for (;;) {
- rc = read(pipefds[0], buf + len, buf_len - len);
+ argv[0] = "nvram";
+ argv[1] = "--print-config";
+ argv[2] = "--partition";
+ argv[3] = partition;
+ argv[4] = NULL;
- if (rc < 0) {
- perror("read");
- break;
- }
+ process = process_create(nv);
+ process->path = "nvram";
+ process->argv = argv;
+ process->keep_stdout = true;
- if (rc == 0)
- break;
+ rc = process_run_sync(process);
- len += rc;
- }
-
- waitpid(pid, &status, 0);
- if (!WIFEXITED(status) || WEXITSTATUS(status)) {
+ if (rc || !WIFEXITED(process->exit_status)
+ || WEXITSTATUS(process->exit_status)) {
fprintf(stderr, "nvram process returned "
"non-zero exit status\n");
- return -1;
+ rc = -1;
+ } else {
+ rc = parse_nvram_params(nv, process->stdout_buf,
+ process->stdout_len);
}
- if (rc < 0)
- return rc;
-
- return parse_nvram_params(nv, buf, len);
+ process_release(process);
+ return rc;
}
static const char *get_param(struct powerpc_nvram_storage *nv,
} else if (!strcmp(tok, "static")) {
ifconf->method = CONFIG_METHOD_STATIC;
- /* ip/mask, [optional] gateway, [optional] dns */
+ /* ip/mask, [optional] gateway */
tok = strtok_r(NULL, ",", &saveptr);
if (!tok)
goto out_err;
if (tok) {
ifconf->static_config.gateway =
talloc_strdup(ifconf, tok);
- tok = strtok_r(NULL, ",", &saveptr);
}
- if (tok) {
- ifconf->static_config.dns =
- talloc_strdup(config, tok);
- }
} else {
pb_log("Unknown network configuration method %s\n", tok);
goto out_err;
return -1;
}
+static int parse_one_dns_config(struct config *config,
+ char *confstr)
+{
+ char *tok, *saveptr;
+
+ for (tok = strtok_r(confstr, ",", &saveptr); tok;
+ tok = strtok_r(NULL, ",", &saveptr)) {
+
+ char *server = talloc_strdup(config, tok);
+
+ config->network.dns_servers = talloc_realloc(config,
+ config->network.dns_servers, const char *,
+ ++config->network.n_dns_servers);
+
+ config->network.dns_servers[config->network.n_dns_servers - 1]
+ = server;
+ }
+
+ return 0;
+}
+
static void populate_network_config(struct powerpc_nvram_storage *nv,
struct config *config)
{
if (!tok)
break;
- parse_one_interface_config(config, tok);
+ if (!strncasecmp(tok, "dns,", strlen("dns,")))
+ parse_one_dns_config(config, tok + strlen("dns,"));
+ else
+ parse_one_interface_config(config, tok);
}
struct config *config)
{
const char *val;
+ char *end;
+ unsigned long timeout;
/* if the "auto-boot?' property is present and "false", disable auto
* boot */
val = get_param(nv, "auto-boot?");
config->autoboot_enabled = !val || strcmp(val, "false");
+ val = get_param(nv, "petitboot,timeout");
+ if (val) {
+ timeout = strtoul(val, &end, 10);
+ if (end != val) {
+ if (timeout >= INT_MAX)
+ timeout = INT_MAX;
+ config->autoboot_timeout_sec = (int)timeout;
+ }
+ }
+
populate_network_config(nv, config);
}