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tools: add tools to set conf path into emiledriver

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Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Laurent Vivier 2015-11-08 22:48:59 +01:00
parent 02fdcb3eb4
commit 3be63e7001
2 changed files with 194 additions and 2 deletions
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8
tools/Makefile
View File

@ -9,13 +9,14 @@ TOP=$(shell pwd)
PROGRAMS = emile-set-cmdline emile-first-tune emile-install \
emile-set-output emile emile-map-set iso9660_ls \
iso9660_cat minigzip read_vmlinuz emile-mkisofs \
ext2_ls ext2_cat emile-mktable
ext2_ls ext2_cat emile-mktable emile-conf
SOURCES = emile-set-cmdline.c Makefile emile-first-tune.c \
emile-install.c emile-set-output.c emile.c \
emile_scanbus.c emile-map-set.c iso9660_ls.c \
iso9660_cat.c minigzip.c read_vmlinuz.c device.c gzio.c \
emile-mkisofs.c ext2_ls.c ext2_cat.c emile-mktable.c
emile-mkisofs.c ext2_ls.c ext2_cat.c emile-mktable.c \
emile-conf.c
HEADERS = device.h
@ -54,6 +55,7 @@ read_vmlinuz: read_vmlinuz.o gzio.o
emile-mkisofs: emile-mkisofs.o device.o
emile-mktable: emile-mktable.o device.o
emile-conf: emile-conf.o device.o
install:
install -d $(DESTDIR)/$(PREFIX)/sbin/
@ -65,6 +67,7 @@ install:
install emile-map-set $(DESTDIR)/$(PREFIX)/sbin/emile-map-set
install emile-mkisofs $(DESTDIR)/$(PREFIX)/sbin/emile-mkisofs
install emile-mktable $(DESTDIR)/$(PREFIX)/sbin/emile-mktable
install emile-conf $(DESTDIR)/$(PREFIX)/sbin/emile-conf
uninstall:
rm -f $(DESTDIR)/$(PREFIX)/sbin/emile-set-cmdline
@ -75,6 +78,7 @@ uninstall:
rm -f $(DESTDIR)/$(PREFIX)/sbin/emile-map-set
rm -f $(DESTDIR)/$(PREFIX)/sbin/emile-mkisofs
rm -f $(DESTDIR)/$(PREFIX)/sbin/emile-mktable
rm -f $(DESTDIR)/$(PREFIX)/sbin/emile-conf
dist:
@echo TAR tools

188
tools/emile-conf.c Normal file
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@ -0,0 +1,188 @@
/*
*
* (c) 2004 Laurent Vivier <Laurent@Vivier.EU>
*
*/
#include <stdio.h>
#include <unistd.h>
#include <getopt.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include "libemile.h"
#include "libconfig.h"
#include "device.h"
enum {
ARG_NONE = 0,
ARG_HELP ='h',
ARG_GETINFO = 'g',
};
static struct option long_options[] =
{
{"help", 0, NULL, ARG_HELP },
{"getinfo", 1, NULL, ARG_GETINFO },
{NULL, 0, NULL, 0 },
};
static void usage(int argc, char** argv)
{
fprintf(stderr, "Usage: %s [OPTION] <partition> <path>\n", argv[0]);
fprintf(stderr, "Set/get the path to the configuration file\n");
fprintf(stderr, " -h, --help display this text\n");
fprintf(stderr, " -g, --getinfo "
"get second level information\n");
fprintf(stderr, "Example:\n");
fprintf(stderr, " %s /dev/sda2 (sd0,4)/emile.conf\n", argv[0]);
fprintf(stderr, "sd -> SCSI disk\n");
fprintf(stderr, "0 -> SCSI Id\n");
fprintf(stderr, "4 -> partition /dev/sda5\n");
fprintf(stderr, "\nbuild: \n%s\n", SIGNATURE);
}
static int set_conf(char* image, char *path)
{
int fd;
char property[256];
int ret;
device_io_t device;
int driver;
int disk;
int partition;
char dev_name[256];
map_t *map;
snprintf(property, 256, "configuration %s", path);
fd = open(image, O_RDWR);
if (fd == -1)
{
perror("Cannot open image file");
return 2;
}
ret = emile_second_set_configuration(fd, (int8_t *)property);
close(fd);
if (ret == -1) {
fprintf(stderr, "Cannot set configuration\n");
return 3;
}
/* compute driver new checksum */
ret = emile_scsi_get_rdev(image, &driver, &disk, &partition);
emile_get_dev_name(dev_name, driver, disk, 0);
device_sector_size = 512;
device.write_sector = (stream_write_sector_t)device_write_sector;
device.read_sector = (stream_read_sector_t)device_read_sector;
device.close = (stream_close_t)device_close;
device.get_blocksize = (stream_get_blocksize_t)device_get_blocksize;
device.data = (void*)device_open(dev_name, O_RDWR);
map = map_open(&device);
if (map == NULL)
{
fprintf(stderr, "ERROR: cannot open partition map\n");
return 4;
}
ret = map_update_checksum(map, 0);
if (ret == -1) {
fprintf(stderr, "ERROR: cannot update driver checksum\n");
return 5;
}
map_close(map);
return 0;
}
int get_conf(char* image)
{
int fd;
int8_t *configuration;
char property[256];
fd = open(image, O_RDONLY);
if (fd == -1)
{
perror("Cannot open image file");
return 2;
}
configuration = emile_second_get_configuration(fd);
close(fd);
if (configuration == NULL) {
fprintf(stderr, "Cannot find configuration\n");
return 3;
}
if (config_get_property(configuration, "configuration", property) == -1) {
fprintf(stderr, "Invalid configuration\n");
return 4;
}
printf("%s\n", property);
return 0;
}
int main(int argc, char** argv)
{
int ret;
char *file = NULL;
char *conf = NULL;
int action_getinfo = 0;
int option_index;
int c;
while(1)
{
c = getopt_long(argc, argv, "ha:k:r:g", long_options,
&option_index);
if (c == -1)
break;
switch(c)
{
case ARG_HELP:
usage(argc, argv);
return 0;
case ARG_GETINFO:
action_getinfo = 1;
break;
}
}
if (optind < argc)
file = argv[optind];
optind++;
if (optind < argc)
conf = argv[optind];
if (file == NULL)
{
fprintf(stderr,
"ERROR: you must provide an image file or a block device.\n");
usage(argc, argv);
return 1;
}
if (action_getinfo)
return get_conf(file);
if (conf == NULL) {
fprintf(stderr,
"ERROR: you must provide an configuration path.\n");
usage(argc, argv);
return 1;
}
ret = set_conf(file, conf);
return ret;
}