- move parameters functions in params.c

- move string/system utility functions in utils.c

1 files changed, 174 insertions, 0 deletions

diff --git a/mdk-stage1/params.c b/mdk-stage1/params.c
new file mode 100644
index 000000000..311f8b0ea
--- /dev/null
+++ b/mdk-stage1/params.c
@@ -0,0 +1,174 @@
+/*
+ * Guillaume Cottenceau (gc@mandrakesoft.com)
+ *
+ * Copyright 2000 Mandrakesoft
+ *
+ * This software may be freely redistributed under the terms of the GNU
+ * public license.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include "params.h"
+#include "utils.h"
+#include "automatic.h"
+#include "log.h"
+#include "bootsplash.h"
+
+static struct param_elem params[50];
+static int param_number = 0;
+
+void process_cmdline(void)
+{
+	char buf[512];
+	int size, i;
+	int fd = -1; 
+
+	if (IS_TESTING) {
+		log_message("TESTING: opening cmdline... ");
+
+		if ((fd = open("cmdline", O_RDONLY)) == -1)
+			log_message("TESTING: could not open cmdline");
+	}
+
+	if (fd == -1) {
+		log_message("opening /proc/cmdline... ");
+
+		if ((fd = open("/proc/cmdline", O_RDONLY)) == -1)
+			fatal_error("could not open /proc/cmdline");
+	}
+
+	size = read(fd, buf, sizeof(buf));
+	buf[size-1] = '\0'; // -1 to eat the \n
+	close(fd);
+
+	log_message("\t%s", buf);
+
+	i = 0;
+	while (buf[i] != '\0') {
+		char *name, *value = NULL;
+		int j = i;
+		while (buf[i] != ' ' && buf[i] != '=' && buf[i] != '\0')
+			i++;
+		if (i == j) {
+			i++;
+			continue;
+		}
+		name = memdup(&buf[j], i-j + 1);
+		name[i-j] = '\0';
+
+		if (buf[i] == '=') {
+			int k = i+1;
+			i++;
+			while (buf[i] != ' ' && buf[i] != '\0')
+				i++;
+			value = memdup(&buf[k], i-k + 1);
+			value[i-k] = '\0';
+		}
+
+		params[param_number].name = name;
+		params[param_number].value = value;
+		param_number++;
+		if (!strcmp(name, "changedisk")) set_param(MODE_CHANGEDISK);
+		if (!strcmp(name, "updatemodules") ||
+		    !strcmp(name, "thirdparty")) set_param(MODE_THIRDPARTY);
+		if (!strcmp(name, "rescue")) set_param(MODE_RESCUE);
+		if (!strcmp(name, "keepmounted")) set_param(MODE_KEEP_MOUNTED);
+		if (!strcmp(name, "noauto")) set_param(MODE_NOAUTO);
+		if (!strcmp(name, "netauto")) set_param(MODE_NETAUTO);
+		if (!strcmp(name, "debugstage1")) set_param(MODE_DEBUGSTAGE1);
+		if (!strcmp(name, "automatic")) {
+			set_param(MODE_AUTOMATIC);
+			grab_automatic_params(value);
+		}
+		if (buf[i] == '\0')
+			break;
+		i++;
+	}
+
+	if (IS_AUTOMATIC && strcmp(get_auto_value("thirdparty"), "")) {
+		set_param(MODE_THIRDPARTY);
+	}
+
+	log_message("\tgot %d args", param_number);
+}
+
+
+int stage1_mode = 0;
+
+int get_param(int i)
+{
+#ifdef SPAWN_INTERACTIVE
+	static int fd = 0;
+	char buf[5000];
+	char * ptr;
+	int nb;
+
+	if (fd <= 0) {
+		fd = open(interactive_fifo, O_RDONLY);
+		if (fd == -1)
+			return (stage1_mode & i);
+		fcntl(fd, F_SETFL, O_NONBLOCK);
+	}
+
+	if (fd > 0) {
+		if ((nb = read(fd, buf, sizeof(buf))) > 0) {
+			buf[nb] = '\0';
+			ptr = buf;
+			while ((ptr = strstr(ptr, "+ "))) {
+				if (!strncmp(ptr+2, "rescue", 6)) set_param(MODE_RESCUE);
+				ptr++;
+			}
+			ptr = buf;
+			while ((ptr = strstr(ptr, "- "))) {
+				if (!strncmp(ptr+2, "rescue", 6)) unset_param(MODE_RESCUE);
+				ptr++;
+			}
+		}
+	}
+#endif
+
+	return (stage1_mode & i);
+}
+
+char * get_param_valued(char *param_name)
+{
+	int i;
+	for (i = 0; i < param_number ; i++)
+		if (!strcmp(params[i].name, param_name))
+			return params[i].value;
+
+	return NULL;
+}
+
+void set_param_valued(char *param_name, char *param_value)
+{
+	params[param_number].name = param_name;
+	params[param_number].value = param_value;
+	param_number++;
+}
+
+void set_param(int i)
+{
+	stage1_mode |= i;
+}
+
+void unset_param(int i)
+{
+	stage1_mode &= ~i;
+}
+
+void unset_automatic(void)
+{
+	log_message("unsetting automatic");
+	unset_param(MODE_AUTOMATIC);
+	exit_bootsplash();
+}