add config file

tools/emile-install.c

@@ -14,6 +14,8 @@
 #include <getopt.h>
 
 #include "libemile.h"
+#include "libconfig.h"
+#include "emile_config.h"
 
 enum {
 	ARG_NONE = 0,
@@ -24,6 +26,7 @@ enum {
 	ARG_KERNEL = 'k',
 	ARG_RAMDISK = 'r',
 	ARG_GETINFO = 'g',
+	ARG_CONFIG = 'c',
 };
 
 static struct option long_options[] =
@@ -35,6 +38,7 @@ static struct option long_options[] =
 	{"kernel",	1, NULL,	ARG_KERNEL	},
 	{"ramdisk",	1, NULL,	ARG_RAMDISK	},
 	{"getinfo",	1, NULL,	ARG_GETINFO	},
+	{"config",	1, NULL,	ARG_CONFIG	},
 	{NULL,		0, NULL,	0		},
 };
 
@@ -49,7 +53,8 @@ static void usage(int argc, char** argv)
 	fprintf(stderr, "   -s, --second    second level to copy to floppy\n");
 	fprintf(stderr, "   -k, --kernel    kernel to copy to floppy\n");
 	fprintf(stderr, "   -r, --ramdisk   ramdisk to copy to floppy\n");
-	fprintf(stderr, "   -g, --getinfo   get information from >image>\n");
+	fprintf(stderr, "   -g, --getinfo   get information from <image>\n");
+	fprintf(stderr, "   -c, --config    set configuration according to a config file\n");
 	fprintf(stderr, "\nbuild: \n%s\n", SIGNATURE);
 }
 
@@ -62,13 +67,14 @@ int main(int argc, char** argv)
 	char* kernel_image = NULL;
 	char* ramdisk = NULL;
 	char* image = NULL;
+	char* config_path = NULL;
 	int action_getinfo = 0;
 	int c;
 	int ret;
 
 	while(1)
 	{
-		c = getopt_long(argc, argv, "hvf:s:k:r:g", long_options, 
+		c = getopt_long(argc, argv, "hvf:s:k:r:gc:", long_options, 
 				&option_index);
 		if (c == -1)
 			break;
@@ -95,6 +101,9 @@ int main(int argc, char** argv)
 		case ARG_GETINFO:
 			action_getinfo = 1;
 			break;
+		case ARG_CONFIG:
+			config_path = optarg;
+			break;
 		}
 	}
 
@@ -157,6 +166,120 @@ int main(int argc, char** argv)
 		return 0;
 	}
 
+	if (config_path != NULL)
+	{
+		emile_config* config;
+		char *configuration;
+		int timeout;
+		int gestaltid;
+		int default_entry;
+		char *title, *args;
+		char buf[64];
+		int fd;
+
+		if (kernel_image || ramdisk)
+		{
+			fprintf(stderr, "ERROR: don't use --kernel or --ramdisk with --config\n");
+			return 4;
+		}
+		config = emile_config_open(config_path);
+		if (config == NULL)
+		{
+			fprintf(stderr, "ERROR: cannot open %s\n", config_path);
+			return 5;
+		}
+
+		if ((first_level == NULL) && 
+		    (emile_config_get(config, CONFIG_FIRST_LEVEL, &first_level)))
+			first_level = PREFIX "/lib/emile/first_floppy";
+
+		if ((second_level == NULL) &&
+		    emile_config_get(config, CONFIG_SECOND_LEVEL, &second_level))
+			second_level = PREFIX "/lib/emile/second_floppy";
+
+		fd = emile_floppy_create(image, first_level, second_level);
+		if (fd < 0)
+		{
+			fprintf(stderr, "ERROR: cannot create %s\n", image);
+			return 6;
+		}
+
+		configuration = emile_second_get_configuration(fd);
+		if (configuration == NULL)
+		{
+			fprintf(stderr, "ERROR: cannot initalize configuration\n");
+			return 7;
+		}
+
+		config_set_property(configuration, "vga", "default");
+
+		if (!emile_config_get(config, CONFIG_GESTALTID, &gestaltid))
+		{
+			sprintf(buf, "%d", gestaltid);
+			config_set_property(configuration, "gestaltID", buf);
+		}
+
+		if (!emile_config_get(config, CONFIG_DEFAULT, &default_entry))
+		{
+			sprintf(buf, "%d", default_entry);
+			config_set_property(configuration, "default", buf);
+		}
+
+		if (!emile_config_get(config, CONFIG_TIMEOUT, &timeout))
+		{
+			sprintf(buf, "%d", timeout);
+			config_set_property(configuration, "timeout", buf);
+		}
+
+		emile_config_read_first_entry(config);
+		do {
+			if (!emile_config_get(config, CONFIG_TITLE, &title))
+				config_add_property(configuration, "title", title);
+			if (!emile_config_get(config, CONFIG_KERNEL, &kernel_image))
+			{
+				if (emile_is_url(kernel_image))
+					config_set_indexed_property(configuration, 
+								    "title", title,
+								    "kernel", kernel_image);
+				else
+				{
+					kernel_image = emile_floppy_add(fd, kernel_image);
+					config_set_indexed_property(configuration,
+								    "title", title,
+								    "kernel", kernel_image);
+					free(kernel_image);
+				}
+			}
+			if (!emile_config_get(config, CONFIG_INITRD, &ramdisk))
+			{
+				if (emile_is_url(ramdisk))
+					config_set_indexed_property(configuration,
+								    "title", title,
+								    "initrd", ramdisk);
+				else
+				{
+					ramdisk = emile_floppy_add(fd, ramdisk);
+					config_set_indexed_property(configuration,
+								    "title", title,
+								    "initrd", ramdisk);
+					free(ramdisk);
+				}
+			}
+			if (!emile_config_get(config, CONFIG_ARGS, &args))
+				config_set_indexed_property(configuration, 
+							    "title", title,
+							    "parameters", args);
+		} while (!emile_config_read_next(config));
+		emile_config_close(config);
+
+		emile_second_set_configuration(fd, configuration);
+		emile_floppy_close(fd);
+
+		free(configuration);
+
+		return 0;
+	}
+
 	if (first_level == NULL)
 		first_level = PREFIX "/lib/emile/first_floppy";