read kernel, initrd, parameters and emile information from emile.conf using functions from emile_config.c

This commit is contained in:
Laurent Vivier 2007-05-11 12:21:58 +00:00
parent f1e93f3a84
commit 1d732318d1

View File

@ -16,20 +16,22 @@
#include <libgen.h>
#include "libemile.h"
#include "emile_config.h"
int verbose = 0;
extern void scanbus(void);
static char *first_path = PREFIX "/boot/emile/first_scsi";
static char *second_path = PREFIX "/boot/emile/second_scsi";
static char *kernel_path = PREFIX "/boot/vmlinuz";
static char *backup_path = PREFIX "/boot/emile/bootblock.backup";
static char *initrd_path = NULL;
static char *kernel_map_path = NULL;
static char *initrd_map_path = NULL;
static char *partition = NULL;
static char *append_string = NULL;
static char *config_path = PREFIX "/boot/emile/emile.conf";
static char *partition;
static char *first_path;
static char *second_path;
static char *kernel_path;
static char *initrd_path;
static char *kernel_map_path;
static char *initrd_map_path;
static char *append_string;
enum {
ACTION_NONE = 0x00000000,
@ -37,14 +39,8 @@ enum {
ACTION_SET_HFS = 0x00000002,
ACTION_RESTORE = 0x00000004,
ACTION_BACKUP = 0x00000008,
ACTION_APPEND = 0x00000010,
ACTION_TEST = 0x00000020,
ACTION_FIRST = 0x00000040,
ACTION_SECOND = 0x00000080,
ACTION_KERNEL = 0x00000100,
ACTION_PARTITION = 0x00000200,
ACTION_MAP = 0x00000400,
ACTION_INITRD = 0x00000800,
ACTION_TEST = 0x00000010,
ACTION_CONFIG = 0x00000020,
};
enum {
@ -53,34 +49,22 @@ enum {
ARG_SET_HFS,
ARG_RESTORE,
ARG_BACKUP,
ARG_APPEND = 'a',
ARG_VERBOSE ='v',
ARG_TEST = 't',
ARG_FIRST = 'f',
ARG_SECOND = 's',
ARG_KERNEL = 'k',
ARG_PARTITION = 'p',
ARG_HELP = 'h',
ARG_MAP = 'm',
ARG_INITRD = 'i',
ARG_CONFIG = 'c',
};
static struct option long_options[] =
{
{"verbose", 0, NULL, ARG_VERBOSE },
{"first", 1, NULL, ARG_FIRST },
{"second", 1, NULL, ARG_SECOND },
{"kernel", 1, NULL, ARG_KERNEL },
{"initrd", 1, NULL, ARG_INITRD },
{"map", 1, NULL, ARG_MAP },
{"partition", 1, NULL, ARG_PARTITION },
{"help", 0, NULL, ARG_HELP },
{"scanbus", 0, NULL, ARG_SCANBUS },
{"set-hfs", 0, NULL, ARG_SET_HFS },
{"restore", 2, NULL, ARG_RESTORE },
{"backup", 2, NULL, ARG_BACKUP },
{"verbose", 0, NULL, ARG_VERBOSE },
{"help", 0, NULL, ARG_HELP },
{"test", 0, NULL, ARG_TEST },
{"append", 0, NULL, ARG_APPEND },
{"config", 1, NULL, ARG_CONFIG },
{NULL, 0, NULL, 0 }
};
@ -93,17 +77,10 @@ static void usage(int argc, char** argv)
fprintf(stderr," -v, --verbose active verbose mode\n");
fprintf(stderr," -t, --test active test mode (don't write to disk)\n");
fprintf(stderr," --scanbus display information about all disks and partitions\n");
fprintf(stderr," -f, --first PATH set path of EMILE first level\n");
fprintf(stderr," -s, --second PATH set path of EMILE second level\n");
fprintf(stderr," -k, --kernel PATH set path of kernel\n");
fprintf(stderr," -i, --initrd PATH set path of initrd\n");
fprintf(stderr," -m, --map PATH set path to the EMILE kernel map file (generated)\n");
fprintf(stderr," -a, --append ARG set kernel command line\n");
fprintf(stderr," -p, --partition DEV define device where to install boot block\n");
fprintf(stderr," --restore[=FILE] save current boot block from FILE\n");
fprintf(stderr," --backup[=FILE] save current boot block to FILE\n");
fprintf(stderr," --set-hfs set type of partition DEV to Apple_HFS (needed to be bootable)\n");
fprintf(stderr, "\nUse \"--test\" to see default values\n");
fprintf(stderr," -c, --config FILE use config file FILE\n");
fprintf(stderr, "!!! USE WITH CAUTION AND AT YOUR OWN RISK !!!\n");
fprintf(stderr, "\nbuild: \n%s\n", SIGNATURE);
@ -360,14 +337,13 @@ int main(int argc, char **argv)
int ret;
int c;
int option_index = 0;
char tmp_partition[16];
char tmp_append[512];
int fd;
int action = ACTION_NONE;
emile_config *config;
while(1)
{
c = getopt_long(argc, argv, "vhtf:a:s:k:b:i:", long_options, &option_index);
c = getopt_long(argc, argv, "vhtc:", long_options, &option_index);
if (c == -1)
break;
switch(c)
@ -381,26 +357,6 @@ int main(int argc, char **argv)
case ARG_SCANBUS:
action |= ACTION_SCANBUS;
break;
case ARG_FIRST:
action |= ACTION_FIRST;
first_path = optarg;
break;
case ARG_SECOND:
action |= ACTION_SECOND;
second_path = optarg;
break;
case ARG_KERNEL:
action |= ACTION_KERNEL;
kernel_path = optarg;
break;
case ARG_INITRD:
action |= ACTION_INITRD;
initrd_path = optarg;
break;
case ARG_PARTITION:
action |= ACTION_PARTITION;
partition = optarg;
break;
case ARG_SET_HFS:
action |= ACTION_SET_HFS;
break;
@ -414,13 +370,13 @@ int main(int argc, char **argv)
if (optarg != NULL)
backup_path = optarg;
break;
case ARG_APPEND:
action |= ACTION_APPEND;
append_string = optarg;
break;
case ARG_TEST:
action |= ACTION_TEST;
break;
case ARG_CONFIG:
action |= ACTION_CONFIG;
config_path = optarg;
break;
default:
fprintf(stderr, "ERROR: unknown option %s (%d, %c)\n",
argv[optind], c, c);
@ -440,93 +396,23 @@ int main(int argc, char **argv)
return 0;
}
/* seek first HFS partition */
/* read config file */
if (partition == NULL)
config = emile_config_open(config_path);
if (config == NULL)
{
int fd;
char dev_name[16];
emile_map_t* map;
char *part_type;
int i;
int driver;
int disk;
int partnb;
fd = open(second_path, O_RDONLY);
if (fd == -1)
{
fprintf(stderr, "ERROR: cannot open \"%s\"\n",
second_path);
return 2;
}
ret = emile_scsi_get_dev(fd, &driver, &disk, &partnb);
if (ret == -1)
{
fprintf(stderr,"ERROR: cannot find device of \"%s\"\n",
second_path);
return 2;
}
close(fd);
emile_get_dev_name(dev_name, driver, disk, 0);
/* ROM boots on the first HFS partition it finds */
map = emile_map_open(dev_name, O_RDONLY);
if (map == NULL)
{
fprintf(stderr, "ERROR: cannot open partition map\n");
return 2;
}
for (i = 0; i < emile_map_get_number(map); i++)
{
ret = emile_map_read(map, i);
if (ret == -1)
break;
part_type = emile_map_get_partition_type(map);
if (strcmp(part_type, "Apple_HFS") == 0)
{
sprintf(tmp_partition, "%s%d", dev_name, i + 1);
partition = tmp_partition;
break;
}
}
emile_map_close(map);
fprintf(stderr, "ERROR: cannot open config file %s\n", config_path);
return 2;
}
/* if there is no HFS partition, we'll use the partition
* where there is second_scsi (/boot or /)
*/
if (partition == NULL)
ret = emile_config_get(config, CONFIG_PARTITION, &partition);
if (ret == -1)
{
int fd;
int driver;
int disk;
int partnb;
fd = open(second_path, O_RDONLY);
if (fd == -1)
return 2;
ret = emile_scsi_get_dev(fd, &driver, &disk, &partnb);
if (ret == 0)
{
emile_get_dev_name(tmp_partition, driver, disk, partnb);
partition = tmp_partition;
}
close(fd);
}
if (partition == NULL)
{
fprintf(stderr,
"ERROR: you must specify a partition to set EMILE bootblock\n");
fprintf(stderr, "ERROR: you must specify in %s a partition to set\n"
" EMILE bootblock\n", config_path);
fprintf(stderr,
" you can have the list of available partitions with \"--scanbus\".\n");
emile_config_close(config);
return 3;
}
@ -534,10 +420,11 @@ int main(int argc, char **argv)
{
char* new_name;
if (action & ~(ACTION_RESTORE | ACTION_PARTITION))
if (action & ~ACTION_RESTORE)
{
fprintf(stderr,
"ERROR: \"--restore\" cannot be used with other arguments\n");
emile_config_close(config);
return 13;
}
@ -547,6 +434,7 @@ int main(int argc, char **argv)
fprintf(stderr,
"ERROR: cannot restore bootblock %s from %s\n",
partition, backup_path);
emile_config_close(config);
return 14;
}
printf("Bootblock restore successfully done.\n");
@ -562,87 +450,74 @@ int main(int argc, char **argv)
free(new_name);
emile_config_close(config);
return 0;
}
if (append_string == NULL)
{
int driver;
int disk;
int partnb;
fd = open(second_path, O_RDONLY);
if (fd == -1)
{
fprintf(stderr, "ERROR: cannot open \"%s\"\n",
second_path);
return 2;
}
ret = emile_scsi_get_dev(fd, &driver, &disk, &partnb);
if (ret == -1)
{
fprintf(stderr,"ERROR: cannot find device of \"%s\"\n",
second_path);
return 2;
}
close(fd);
strcpy(tmp_append, "root=");
emile_get_dev_name(tmp_append + strlen(tmp_append),
driver, disk, partnb);
append_string = tmp_append;
}
ret = check_has_apple_driver(partition);
if (ret != -2)
{
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot check if Apple_Driver exists\n");
fprintf(stderr, " you should try as root\n");
if ((action & ACTION_TEST) == 0)
return 4;
}
if (ret == 0)
{
fprintf(stderr,
"ERROR: to be bootable a disk must have an Apple Driver on it\n");
fprintf(stderr,
" You must partition this disk with Apple Disk utility\n");
fprintf(stderr,
" or wait a release of EMILE allowing you to add this driver\n");
if ((action & ACTION_TEST) == 0)
return 5;
}
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot check if Apple_Driver exists\n");
fprintf(stderr, " you should try as root\n");
if ((action & ACTION_TEST) == 0)
{
emile_config_close(config);
return 4;
}
}
if (ret == 0)
{
fprintf(stderr,
"ERROR: to be bootable a disk must have an Apple Driver on it\n");
fprintf(stderr,
" You must partition this disk with Apple Disk utility\n");
fprintf(stderr,
" or wait a release of EMILE allowing you to add this driver\n");
if ((action & ACTION_TEST) == 0)
{
emile_config_close(config);
return 5;
}
}
ret = check_is_hfs(partition);
if (ret == -1)
{
fprintf(stderr,
"ERROR: cannot check if partition is Apple_HFS\n");
fprintf(stderr, " you should try as root\n");
if ((action & ACTION_TEST) == 0)
return 6;
}
if ( (ret == 0) && !(action & ACTION_SET_HFS) )
{
fprintf(stderr,
"ERROR: to be bootable a partition must be of type Apple_HFS\n");
fprintf(stderr,
" you can change it to Apple_HFS using \"--set-hfs\" argument\n");
if ((action & ACTION_TEST) == 0)
return 7;
}
ret = check_is_hfs(partition);
if (ret == -1)
{
fprintf(stderr,
"ERROR: cannot check if partition is Apple_HFS\n");
fprintf(stderr, " you should try as root\n");
if ((action & ACTION_TEST) == 0)
{
emile_config_close(config);
return 6;
}
}
if ( (ret == 0) && !(action & ACTION_SET_HFS) )
{
fprintf(stderr,
"ERROR: to be bootable a partition must be of type Apple_HFS\n");
fprintf(stderr,
" you can change it to Apple_HFS using \"--set-hfs\" argument\n");
if ((action & ACTION_TEST) == 0)
{
emile_config_close(config);
return 7;
}
}
ret = check_is_EMILE_bootblock(partition);
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot check bootblock type\n");
fprintf(stderr, " you should try as root\n");
if ((action & ACTION_TEST) == 0)
return 8;
}
ret = check_is_EMILE_bootblock(partition);
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot check bootblock type\n");
fprintf(stderr, " you should try as root\n");
if ((action & ACTION_TEST) == 0)
{
emile_config_close(config);
return 8;
}
}
}
if ( (ret == 0) && ((action & ACTION_BACKUP) == 0) )
{
@ -651,7 +526,10 @@ int main(int argc, char **argv)
fprintf(stderr,
" you must use \"--backup\" to save it\n");
if ((action & ACTION_TEST) == 0)
{
emile_config_close(config);
return 9;
}
}
if (action & ACTION_BACKUP)
@ -660,6 +538,7 @@ int main(int argc, char **argv)
{
fprintf(stderr,
"ERROR: \"--backup\" cannot be used with \"--test\"\n");
emile_config_close(config);
return 13;
}
@ -669,60 +548,122 @@ int main(int argc, char **argv)
fprintf(stderr,
"ERROR: cannot backup bootblock %s to %s\n",
partition, backup_path);
emile_config_close(config);
return 14;
}
printf("Bootblock backup successfully done.\n");
}
if (kernel_path && !emile_is_url(kernel_path))
ret = emile_config_get(config, CONFIG_FIRST_LEVEL, &first_path);
if (ret == -1)
{
char *a = strdup(kernel_path);
char *b = strdup(kernel_path);
char *base = basename(a);
char *dir = dirname(b);
kernel_map_path = (char*)malloc(strlen(kernel_path) + 6);
if (kernel_map_path == NULL)
{
fprintf(stderr,
"ERROR: cannot allocate memory\n");
return 15;
}
sprintf(kernel_map_path, "%s/.%s.map", dir, base);
free(a);
free(b);
} else
kernel_map_path = kernel_path;
fprintf(stderr, "ERROR: cannot read first level path from %s\n",
config_path);
emile_config_close(config);
return 2;
}
if (initrd_path && !emile_is_url(initrd_path))
ret = emile_config_get(config, CONFIG_SECOND_LEVEL, &second_path);
if (ret == -1)
{
char *a = strdup(initrd_path);
char *b = strdup(initrd_path);
char *base = basename(a);
char *dir = dirname(b);
initrd_map_path = (char*)malloc(strlen(initrd_path) + 6);
if (initrd_map_path == NULL)
{
fprintf(stderr,
"ERROR: cannot allocate memory\n");
return 15;
}
sprintf(initrd_map_path, "%s/.%s.map", dir, base);
free(a);
free(b);
} else
initrd_map_path = initrd_path;
fprintf(stderr, "ERROR: cannot read second level path from %s\n",
config_path);
emile_config_close(config);
return 2;
}
printf("partition: %s\n", partition);
printf("first: %s\n", first_path);
printf("second: %s\n", second_path);
ret = emile_config_read_first_entry(config);
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot read first kernel entry from %s\n",
config_path);
emile_config_close(config);
return 2;
}
ret = emile_config_get(config, CONFIG_KERNEL, &kernel_path);
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot read kernel path from %s\n",
config_path);
emile_config_close(config);
return 2;
}
if (!emile_is_url(kernel_path))
{
ret = emile_config_get(config, CONFIG_KERNEL_MAP, &kernel_map_path);
if (ret == -1)
{
char *a = strdup(kernel_path);
char *b = strdup(kernel_path);
char *base = basename(a);
char *dir = dirname(b);
kernel_map_path = (char*)malloc(strlen(kernel_path) + 6);
if (kernel_map_path == NULL)
{
fprintf(stderr, "ERROR: cannot allocate memory\n");
emile_config_close(config);
return 15;
}
sprintf(kernel_map_path, "%s/.%s.map", dir, base);
free(a);
free(b);
}
} else
kernel_map_path = kernel_path;
ret = emile_config_get(config, CONFIG_INITRD, &initrd_path);
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot read initrd path from %s\n",
config_path);
emile_config_close(config);
return 2;
}
if (!emile_is_url(initrd_path))
{
ret = emile_config_get(config, CONFIG_INITRD_MAP, &initrd_map_path);
if (ret == -1)
{
char *a = strdup(initrd_path);
char *b = strdup(initrd_path);
char *base = basename(a);
char *dir = dirname(b);
initrd_map_path = (char*)malloc(strlen(initrd_path) + 6);
if (initrd_map_path == NULL)
{
fprintf(stderr,
"ERROR: cannot allocate memory\n");
emile_config_close(config);
return 15;
}
sprintf(initrd_map_path, "%s/.%s.map", dir, base);
free(a);
free(b);
}
} else
initrd_map_path = initrd_path;
ret = emile_config_get(config, CONFIG_ARGS, &append_string);
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot read kernel parameters from %s\n",
config_path);
emile_config_close(config);
return 2;
}
printf("kernel: %s\n", kernel_path);
printf("append: %s\n", append_string);
if (kernel_map_path != NULL)
printf("kernel map file: %s\n", kernel_map_path);
if (initrd_path != NULL)
printf("initrd: %s\n", initrd_path);
if (initrd_map_path != NULL)
printf("initrd map file: %s\n", initrd_map_path);
printf("kernel map file: %s\n", kernel_map_path);
printf("initrd: %s\n", initrd_path);
printf("initrd map file: %s\n", initrd_map_path);
/* set kernel info into second level */
@ -731,6 +672,7 @@ int main(int argc, char **argv)
{
fprintf(stderr, "ERROR: cannot open \"%s\"\n",
second_path);
emile_config_close(config);
return 16;
}
@ -750,6 +692,7 @@ int main(int argc, char **argv)
fprintf(stderr,
"ERROR: cannot set \"%s\" information in \"%s\".\n",
kernel_path, kernel_map_path);
emile_config_close(config);
return 17;
}
@ -774,6 +717,7 @@ int main(int argc, char **argv)
fprintf(stderr,
"ERROR: cannot set \"%s\" information in \"%s\".\n",
initrd_path, initrd_map_path);
emile_config_close(config);
return 17;
}
sprintf(initrd_map_info, "container:(sd%d)0x%x,0x%x", unit_id,
@ -787,6 +731,7 @@ int main(int argc, char **argv)
fprintf(stderr,
"ERROR: cannot set \"%s\" information in \"%s\".\n",
initrd_path, initrd_map_path);
emile_config_close(config);
return 18;
}
}
@ -800,6 +745,7 @@ int main(int argc, char **argv)
{
fprintf(stderr,
"ERROR: cannot open \"%s\".\n", first_path);
emile_config_close(config);
return 20;
}
@ -811,6 +757,7 @@ int main(int argc, char **argv)
fprintf(stderr,
"ERROR: cannot set \"%s\" information into \"%s\".\n",
second_path, first_path);
emile_config_close(config);
return 21;
}
}
@ -829,6 +776,7 @@ int main(int argc, char **argv)
first_path, partition);
fprintf(stderr,
" %s\n", strerror(errno));
emile_config_close(config);
return 22;
}
@ -842,10 +790,12 @@ int main(int argc, char **argv)
fprintf( stderr,
"ERROR: cannot set partition type of \"%s\" to Apple_HFS.\n"
, partition);
emile_config_close(config);
return 23;
}
}
}
emile_config_close(config);
return 0;
}