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/*
* Guillaume Cottenceau (gc)
*
* Copyright 2000 Mandriva
*
* 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 <string.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"
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") ||
!strcmp(name, "kamethod")) set_param(MODE_RESCUE);
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);
}
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