2004-06-01 21:56:28 +00:00
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/*
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*
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2008-04-16 18:32:17 +00:00
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* (c) 2004-2008 Laurent Vivier <Laurent@lvivier.info>
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2004-06-01 21:56:28 +00:00
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*
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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2004-12-24 22:34:26 +00:00
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#include <getopt.h>
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2004-06-01 21:56:28 +00:00
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2004-12-10 00:28:35 +00:00
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#include "libemile.h"
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2007-08-26 19:46:39 +00:00
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#include "libconfig.h"
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2004-06-01 21:56:28 +00:00
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2004-12-24 22:34:26 +00:00
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enum {
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ARG_NONE = 0,
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ARG_HELP ='h',
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ARG_VERBOSE = 'v',
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ARG_FIRST = 'f',
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ARG_SECOND = 's',
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ARG_KERNEL = 'k',
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ARG_RAMDISK = 'r',
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2004-12-25 00:48:29 +00:00
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ARG_GETINFO = 'g',
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2007-08-26 19:46:39 +00:00
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ARG_CONFIG = 'c',
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2004-12-24 22:34:26 +00:00
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};
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static struct option long_options[] =
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{
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{"help", 0, NULL, ARG_HELP },
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{"verbose", 0, NULL, ARG_VERBOSE },
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{"first", 1, NULL, ARG_FIRST },
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{"second", 1, NULL, ARG_SECOND },
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{"kernel", 1, NULL, ARG_KERNEL },
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{"ramdisk", 1, NULL, ARG_RAMDISK },
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2004-12-25 00:48:29 +00:00
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{"getinfo", 1, NULL, ARG_GETINFO },
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2007-08-26 19:46:39 +00:00
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{"config", 1, NULL, ARG_CONFIG },
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2004-12-24 22:34:26 +00:00
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{NULL, 0, NULL, 0 },
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};
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2004-06-01 21:56:28 +00:00
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static void usage(int argc, char** argv)
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{
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2004-12-24 22:34:26 +00:00
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fprintf(stderr, "Usage: %s [OPTION] <image>\n", argv[0]);
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fprintf(stderr, "Create an EMILE bootable floppy disk\n");
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fprintf(stderr, "EMILE allows you to boot linux from a floppy disk\n");
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fprintf(stderr, " -h, --help display this text\n");
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fprintf(stderr, " -v, --verbose verbose mode\n");
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fprintf(stderr, " -f, --first first level to copy to floppy\n");
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fprintf(stderr, " -s, --second second level to copy to floppy\n");
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fprintf(stderr, " -k, --kernel kernel to copy to floppy\n");
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fprintf(stderr, " -r, --ramdisk ramdisk to copy to floppy\n");
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2007-08-26 19:46:39 +00:00
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fprintf(stderr, " -g, --getinfo get information from <image>\n");
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2007-09-02 12:57:37 +00:00
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fprintf(stderr, " -c, --config "
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"set configuration according to a config file\n");
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2004-06-03 11:09:28 +00:00
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fprintf(stderr, "\nbuild: \n%s\n", SIGNATURE);
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2004-06-01 21:56:28 +00:00
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}
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2007-09-02 12:46:37 +00:00
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static int get_info(char *image, int verbose)
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{
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int fd;
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int drive_num;
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int second_offset;
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int second_size;
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2007-09-08 23:09:14 +00:00
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int8_t * configuration;
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2007-09-02 12:46:37 +00:00
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char property[1024];
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char title[1024];
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int index;
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char *known_properties[] = {
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"kernel",
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"initrd",
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2007-10-08 12:05:52 +00:00
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"chainloader",
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2007-09-02 12:46:37 +00:00
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NULL
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};
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int i;
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int current;
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int res;
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int ret;
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fd = open(image, O_RDONLY);
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if (fd == -1)
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{
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fprintf(stderr, "ERROR: cannot open \"%s\"\n",
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image);
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return 2;
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}
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/* first level info */
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ret = emile_first_get_param(fd, &drive_num, &second_offset,
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&second_size);
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if (ret != 0)
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{
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printf("EMILE is not installed in this bootblock\n");
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close(fd);
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return 0;
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}
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printf("EMILE boot block identified\n\n");
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printf("Drive number: %d\n", drive_num);
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printf("Second level offset: %d\n", second_offset);
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printf("Second level size: %d\n", second_size);
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/* second level info */
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printf("EMILE second level information\n");
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configuration = emile_second_get_configuration(fd);
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if (configuration == NULL)
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{
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fprintf(stderr, "ERROR: cannot read second level\n");
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return 3;
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}
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if (verbose)
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{
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printf("%s\n", configuration);
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return 0;
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}
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if (config_get_property(configuration,
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"gestaltID", property) != -1)
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printf("User forces gestalt ID to %ld\n",
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strtol(property, NULL, 0));
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if (config_get_property(configuration,
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"default", property) != -1)
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printf("default %ld\n", strtol(property, NULL, 0));
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if (config_get_property(configuration,
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"timeout", property) != -1)
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printf("timeout %ld\n", strtol(property, NULL, 0));
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if (config_get_property(configuration,
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"vga", property) != -1)
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printf("vga %s\n", property);
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2007-09-08 22:49:13 +00:00
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if (config_get_property(configuration,
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"modem", property) != -1)
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printf("modem %s\n", property);
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if (config_get_property(configuration,
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"printer", property) != -1)
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printf("printer %s\n", property);
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2007-09-02 12:46:37 +00:00
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current = 0;
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for (index = 0; index < 20; index++)
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{
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res = config_get_property(configuration + current,
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"title", title);
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if (res == -1)
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{
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if (index)
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break;
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}
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else {
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printf("title %s\n", title);
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current += res;
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current = config_get_next_property(
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configuration,
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current,
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NULL, NULL);
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}
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for (i = 0; known_properties[i] != NULL; i++)
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{
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if (config_get_indexed_property(
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configuration,
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(res == -1) ? NULL : "title",
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title,
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known_properties[i],
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property) != -1)
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printf( " %s %s\n",
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known_properties[i],
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property);
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}
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}
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free(configuration);
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close(fd);
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return 0;
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}
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2007-09-02 12:57:37 +00:00
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static int set_config(char *image, int verbose, char *config_path,
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char *first_level, char *second_level)
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{
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2008-04-16 18:32:17 +00:00
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char property[1024];
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char property2[1024];
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2007-09-02 12:57:37 +00:00
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char *ramdisk_ondisk, *kernel_ondisk;
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2007-09-08 23:09:14 +00:00
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int8_t *configuration;
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2008-04-16 18:32:17 +00:00
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int8_t *conffile;
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2007-09-02 12:57:37 +00:00
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char buf[64];
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int fd;
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2008-04-16 18:32:17 +00:00
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struct stat st;
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int i;
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int current;
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int res;
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static char *prolog[] = {
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"gestaltID",
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"default",
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"timeout",
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"vga",
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"modem",
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"printer"
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};
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static char *known_properties[] ={
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"kernel",
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"initrd",
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"chainloader"
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};
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2007-09-02 12:57:37 +00:00
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2008-04-16 18:32:17 +00:00
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/* open configuration file */
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fd = open(config_path, O_RDONLY);
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if (fd == -1)
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2007-09-02 12:57:37 +00:00
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{
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2008-04-16 18:32:17 +00:00
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fprintf(stderr, "ERROR: cannot open %s\n", config_path);
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return 5;
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2007-09-02 12:57:37 +00:00
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}
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2008-04-16 18:32:17 +00:00
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if (fstat(fd, &st) == -1)
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2007-09-02 12:57:37 +00:00
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{
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2008-04-16 18:32:17 +00:00
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fprintf(stderr, "ERROR: cannot fstat %s\n", config_path);
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return 5;
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}
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conffile = (int8_t*)malloc(st.st_size);
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if (conffile == NULL)
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{
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fprintf(stderr, "ERROR: cannot malloc() %s\n", config_path);
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2007-09-02 12:57:37 +00:00
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return 5;
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}
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2008-04-16 18:32:17 +00:00
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if (read(fd, conffile, st.st_size) != st.st_size)
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{
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fprintf(stderr, "ERROR: cannot read() %s\n", config_path);
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return 5;
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}
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close(fd);
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2007-09-02 12:57:37 +00:00
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2008-04-16 18:32:17 +00:00
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/* extract properties */
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if (first_level == NULL) {
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if (config_get_property(conffile,
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"first_level", property) == -1)
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first_level = PREFIX "/lib/emile/first_floppy";
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else
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first_level = property;
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}
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if (second_level == NULL) {
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if (config_get_property(conffile,
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"second_level", property2) == -1)
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second_level = PREFIX "/lib/emile/second_floppy";
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else
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second_level = property2;
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}
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/* create floppy, set first and second level position */
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2007-09-02 12:57:37 +00:00
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fd = emile_floppy_create(image, first_level, second_level);
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if (fd < 0)
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{
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fprintf(stderr, "ERROR: cannot create %s\n", image);
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2008-04-16 18:32:17 +00:00
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free(conffile);
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2007-09-02 12:57:37 +00:00
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return 6;
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}
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2008-04-16 18:32:17 +00:00
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/* create configuration information of the floppy image */
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2007-09-02 21:00:05 +00:00
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configuration = malloc(65536);
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2007-09-02 12:57:37 +00:00
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if (configuration == NULL)
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{
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fprintf(stderr, "ERROR: cannot initalize configuration\n");
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2008-04-16 18:32:17 +00:00
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free(conffile);
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2007-09-02 12:57:37 +00:00
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return 7;
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}
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2007-10-21 01:16:11 +00:00
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memset(configuration, 0, 65536);
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2007-09-02 12:57:37 +00:00
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2008-04-16 18:32:17 +00:00
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/* copy prolog */
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2007-09-02 12:57:37 +00:00
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2008-04-16 18:32:17 +00:00
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for (i = 0; i < sizeof(prolog) / sizeof(char*); i++)
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2007-09-02 12:57:37 +00:00
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{
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2008-04-16 18:32:17 +00:00
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if (config_get_property(conffile,
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prolog[i], property) != -1)
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{
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sprintf(buf, "%s", property);
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config_set_property(configuration, prolog[i], buf);
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}
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2007-09-02 12:57:37 +00:00
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}
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2008-04-16 18:32:17 +00:00
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/* get kernel properties */
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kernel_ondisk = NULL;
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ramdisk_ondisk = NULL;
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current = 0;
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while(1)
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2007-09-02 12:57:37 +00:00
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{
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2008-04-16 18:32:17 +00:00
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res = config_get_property(conffile + current,
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"title", property);
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if (res == -1)
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break;
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2007-09-02 12:57:37 +00:00
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2008-04-16 18:32:17 +00:00
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config_add_property(configuration, "title", property);
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2007-09-08 22:49:13 +00:00
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2008-04-16 18:32:17 +00:00
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if (verbose)
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printf("title %s\n", property);
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2007-09-08 22:49:13 +00:00
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2008-04-16 18:32:17 +00:00
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current += res;
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current = config_get_next_property(conffile, current,
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NULL, NULL);
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2007-09-08 22:49:13 +00:00
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2008-04-16 18:32:17 +00:00
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for (i = 0; i < sizeof(known_properties) / sizeof(char*); i++)
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2007-09-02 12:57:37 +00:00
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{
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2008-04-16 18:32:17 +00:00
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res = config_get_indexed_property(conffile,
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"title",
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property,
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known_properties[i],
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property2);
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if (res == -1)
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continue;
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if (emile_is_url(property2))
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2007-09-02 12:57:37 +00:00
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{
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if (verbose)
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2008-04-16 18:32:17 +00:00
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printf(" %s %s\n",
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known_properties[i], property2);
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2007-09-02 12:57:37 +00:00
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config_set_indexed_property(configuration,
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2008-04-16 18:32:17 +00:00
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"title", property,
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known_properties[i],
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property2);
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2007-09-02 12:57:37 +00:00
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}
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else
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{
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2008-04-16 18:32:17 +00:00
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char *url;
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if (strcmp(known_properties[i], "kernel") == 0)
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{
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if (kernel_ondisk == NULL)
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kernel_ondisk =
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|
|
|
emile_floppy_add(fd,
|
|
|
|
property2);
|
|
|
|
url = kernel_ondisk;
|
|
|
|
} else
|
|
|
|
if (strcmp(known_properties[i], "initrd") == 0)
|
|
|
|
{
|
|
|
|
if (ramdisk_ondisk == NULL)
|
|
|
|
ramdisk_ondisk =
|
|
|
|
emile_floppy_add(fd,
|
|
|
|
property2);
|
|
|
|
url = ramdisk_ondisk;
|
|
|
|
} else
|
|
|
|
url = property2;
|
|
|
|
|
2007-09-02 12:57:37 +00:00
|
|
|
config_set_indexed_property(configuration,
|
2008-04-16 18:32:17 +00:00
|
|
|
"title", property,
|
|
|
|
known_properties[i], url);
|
2007-09-02 12:57:37 +00:00
|
|
|
if (verbose)
|
2008-04-16 18:32:17 +00:00
|
|
|
printf(" %s %s (%s)\n",
|
|
|
|
known_properties[i],
|
|
|
|
property2, url);
|
2007-09-02 12:57:37 +00:00
|
|
|
}
|
|
|
|
}
|
2008-04-16 18:32:17 +00:00
|
|
|
}
|
2007-09-02 12:57:37 +00:00
|
|
|
if (ramdisk_ondisk != NULL)
|
|
|
|
free(ramdisk_ondisk);
|
|
|
|
if (kernel_ondisk != NULL)
|
|
|
|
free(kernel_ondisk);
|
|
|
|
|
2007-09-08 23:09:14 +00:00
|
|
|
if (strlen((char*)configuration) > 1023)
|
2007-09-02 21:00:05 +00:00
|
|
|
{
|
|
|
|
int tmpfd;
|
|
|
|
char *conf;
|
|
|
|
char *tmpfile = strdup("/tmp/emile-install-XXXXXX");
|
|
|
|
|
|
|
|
fprintf(stderr, "WARNING: configuration doesn't fit in second level\n"
|
|
|
|
" will store it at end of floppy\n");
|
|
|
|
|
|
|
|
tmpfd = mkstemp(tmpfile);
|
2007-09-08 23:09:14 +00:00
|
|
|
write(tmpfd, configuration, strlen((char*)configuration) + 1);
|
2007-09-02 21:00:05 +00:00
|
|
|
close(tmpfd);
|
|
|
|
|
|
|
|
conf = emile_floppy_add(fd, tmpfile);
|
|
|
|
free(configuration);
|
|
|
|
|
|
|
|
unlink(tmpfile);
|
|
|
|
free(tmpfile);
|
|
|
|
|
|
|
|
configuration = malloc(1024);
|
|
|
|
configuration[0] = 0;
|
|
|
|
|
|
|
|
config_set_property(configuration, "configuration", conf);
|
|
|
|
if (verbose)
|
|
|
|
printf("configuration %s\n", conf);
|
|
|
|
}
|
|
|
|
|
2007-09-02 12:57:37 +00:00
|
|
|
emile_second_set_configuration(fd, configuration);
|
|
|
|
emile_floppy_close(fd);
|
|
|
|
|
2008-04-16 18:32:17 +00:00
|
|
|
free(conffile);
|
2007-09-02 12:57:37 +00:00
|
|
|
free(configuration);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2004-06-01 21:56:28 +00:00
|
|
|
int main(int argc, char** argv)
|
|
|
|
{
|
2004-12-24 22:34:26 +00:00
|
|
|
int verbose = 0;
|
|
|
|
int option_index = 0;
|
2004-06-01 21:56:28 +00:00
|
|
|
char* first_level = NULL;
|
|
|
|
char* second_level = NULL;
|
|
|
|
char* kernel_image = NULL;
|
|
|
|
char* ramdisk = NULL;
|
|
|
|
char* image = NULL;
|
2007-08-26 19:46:39 +00:00
|
|
|
char* config_path = NULL;
|
2004-12-25 00:48:29 +00:00
|
|
|
int action_getinfo = 0;
|
2004-12-24 22:34:26 +00:00
|
|
|
int c;
|
2004-06-01 21:56:28 +00:00
|
|
|
int ret;
|
|
|
|
|
2004-12-24 22:34:26 +00:00
|
|
|
while(1)
|
|
|
|
{
|
2007-08-26 19:46:39 +00:00
|
|
|
c = getopt_long(argc, argv, "hvf:s:k:r:gc:", long_options,
|
2004-12-24 22:34:26 +00:00
|
|
|
&option_index);
|
|
|
|
if (c == -1)
|
|
|
|
break;
|
|
|
|
switch(c)
|
|
|
|
{
|
|
|
|
case ARG_HELP:
|
|
|
|
usage(argc, argv);
|
|
|
|
return 0;
|
|
|
|
case ARG_VERBOSE:
|
|
|
|
verbose = 1;
|
|
|
|
break;
|
|
|
|
case ARG_FIRST:
|
|
|
|
first_level = optarg;
|
|
|
|
break;
|
|
|
|
case ARG_SECOND:
|
|
|
|
second_level = optarg;
|
|
|
|
break;
|
|
|
|
case ARG_KERNEL:
|
|
|
|
kernel_image = optarg;
|
|
|
|
break;
|
|
|
|
case ARG_RAMDISK:
|
|
|
|
ramdisk = optarg;
|
|
|
|
break;
|
2004-12-25 00:48:29 +00:00
|
|
|
case ARG_GETINFO:
|
|
|
|
action_getinfo = 1;
|
|
|
|
break;
|
2007-08-26 19:46:39 +00:00
|
|
|
case ARG_CONFIG:
|
|
|
|
config_path = optarg;
|
|
|
|
break;
|
2004-12-24 22:34:26 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (optind < argc)
|
|
|
|
image = argv[optind];
|
|
|
|
|
|
|
|
if (image == NULL)
|
2004-06-01 21:56:28 +00:00
|
|
|
{
|
2004-12-24 22:34:26 +00:00
|
|
|
fprintf(stderr,
|
|
|
|
"ERROR: you must provide an image file or a block device.\n");
|
2004-06-01 21:56:28 +00:00
|
|
|
usage(argc, argv);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2004-12-25 00:48:29 +00:00
|
|
|
if (action_getinfo)
|
2007-09-02 12:46:37 +00:00
|
|
|
return get_info(image, verbose);
|
2004-12-25 00:48:29 +00:00
|
|
|
|
2007-08-26 19:46:39 +00:00
|
|
|
if (config_path != NULL)
|
2008-04-16 18:32:17 +00:00
|
|
|
{
|
|
|
|
if (kernel_image || ramdisk)
|
|
|
|
{
|
|
|
|
fprintf(stderr, "ERROR: don't use --kernel"
|
|
|
|
" or --ramdisk with --config\n");
|
|
|
|
return 4;
|
|
|
|
}
|
2007-09-02 12:57:37 +00:00
|
|
|
return set_config(image, verbose, config_path,
|
|
|
|
first_level, second_level);
|
2008-04-16 18:32:17 +00:00
|
|
|
}
|
2007-08-26 19:46:39 +00:00
|
|
|
|
2004-12-24 22:34:26 +00:00
|
|
|
if (first_level == NULL)
|
|
|
|
first_level = PREFIX "/lib/emile/first_floppy";
|
|
|
|
|
|
|
|
if (second_level == NULL)
|
|
|
|
second_level = PREFIX "/lib/emile/second_floppy";
|
|
|
|
|
|
|
|
if (kernel_image == NULL)
|
|
|
|
kernel_image = PREFIX "/boot/vmlinuz";
|
|
|
|
|
|
|
|
if (verbose)
|
|
|
|
{
|
|
|
|
printf("first: %s\n", first_level);
|
|
|
|
printf("second: %s\n", second_level);
|
|
|
|
printf("kernel: %s\n", kernel_image);
|
|
|
|
printf("ramdisk: %s\n", ramdisk);
|
|
|
|
printf("image: %s\n", image);
|
|
|
|
}
|
|
|
|
|
2004-12-10 00:28:35 +00:00
|
|
|
ret = emile_floppy_create_image(first_level, second_level,
|
2005-11-28 00:19:54 +00:00
|
|
|
kernel_image, ramdisk, image);
|
2004-12-24 22:34:26 +00:00
|
|
|
switch(ret)
|
|
|
|
{
|
|
|
|
case 0:
|
|
|
|
break;
|
|
|
|
case EEMILE_CANNOT_WRITE_FIRST:
|
|
|
|
fprintf(stderr, "ERROR: cannot write first\n");
|
|
|
|
break;
|
|
|
|
case EEMILE_CANNOT_WRITE_SECOND:
|
|
|
|
fprintf(stderr, "ERROR: cannot write second\n");
|
|
|
|
break;
|
|
|
|
case EEMILE_CANNOT_WRITE_KERNEL:
|
|
|
|
fprintf(stderr, "ERROR: cannot write kernel\n");
|
|
|
|
break;
|
|
|
|
case EEMILE_CANNOT_WRITE_RAMDISK:
|
|
|
|
fprintf(stderr, "ERROR: cannot write ramdisk\n");
|
|
|
|
break;
|
|
|
|
case EEMILE_CANNOT_WRITE_PAD:
|
|
|
|
fprintf(stderr, "ERROR: cannot write padding\n");
|
|
|
|
break;
|
|
|
|
case EEMILE_CANNOT_CREATE_IMAGE:
|
|
|
|
fprintf(stderr, "ERROR: cannot create image\n");
|
|
|
|
break;
|
|
|
|
case EEMILE_CANNOT_OPEN_FILE:
|
|
|
|
fprintf(stderr, "ERROR: cannot open one of provided files\n");
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
fprintf(stderr, "ERROR: unknown error :-P\n");
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2004-06-01 21:56:28 +00:00
|
|
|
return ret;
|
|
|
|
}
|