114 lines
2.6 KiB
C
114 lines
2.6 KiB
C
|
#define _MINIX_SYSTEM 1
|
||
|
|
||
|
#include <sys/svrctl.h>
|
||
|
#include <sys/types.h>
|
||
|
#include <ctype.h>
|
||
|
#include <lib.h>
|
||
|
#include <stdio.h>
|
||
|
#include <stdlib.h>
|
||
|
#include <string.h>
|
||
|
#include <unistd.h>
|
||
|
|
||
|
static void usage(void);
|
||
|
|
||
|
#define VFS "vfs"
|
||
|
#define PM "pm"
|
||
|
#define SET "set"
|
||
|
#define GET "get"
|
||
|
|
||
|
static char *bin_name;
|
||
|
|
||
|
int main (int argc, char *argv[])
|
||
|
{
|
||
|
int param;
|
||
|
endpoint_t proc_e = NONE;
|
||
|
struct sysgetenv sysgetenv;
|
||
|
char *to_whom, *operation, *what, *value;
|
||
|
unsigned i;
|
||
|
|
||
|
bin_name = argv[0];
|
||
|
if (argc < 4 || argc > 5) usage();
|
||
|
if (geteuid() != 0) {
|
||
|
fprintf(stderr, "You have to be root to run this utility\n");
|
||
|
exit(EXIT_FAILURE);
|
||
|
}
|
||
|
|
||
|
/* Make some parameters lower case to ease comparing */
|
||
|
to_whom = argv[1];
|
||
|
operation = argv[2];
|
||
|
what = argv[3];
|
||
|
for (i = 0; i < strlen(to_whom); ++i) to_whom[i] = tolower(to_whom[i]);
|
||
|
for (i = 0; i < strlen(operation); ++i) operation[i] = tolower(operation[i]);
|
||
|
for (i = 0; i < strlen(what); ++i) what[i] = tolower(what[i]);
|
||
|
|
||
|
if (!strncmp(to_whom, VFS, strlen(VFS)+1)) proc_e = VFS_PROC_NR;
|
||
|
else if (!strncmp(to_whom, PM, strlen(PM)+1)) proc_e = PM_PROC_NR;
|
||
|
else usage();
|
||
|
|
||
|
sysgetenv.key = what;
|
||
|
sysgetenv.keylen = strlen(what) + 1;
|
||
|
|
||
|
if (!strncmp(operation, SET, strlen(SET)+1)) {
|
||
|
if (argc != 5) usage();
|
||
|
value = argv[4];
|
||
|
sysgetenv.val = value;
|
||
|
sysgetenv.vallen = strlen(value) + 1;
|
||
|
|
||
|
if (proc_e == VFS_PROC_NR)
|
||
|
param = VFSSETPARAM;
|
||
|
else if (proc_e == PM_PROC_NR)
|
||
|
param = PMSETPARAM;
|
||
|
else
|
||
|
usage();
|
||
|
|
||
|
if (svrctl(param, &sysgetenv) != 0) {
|
||
|
if (errno == ESRCH)
|
||
|
fprintf(stderr, "invalid parameter: %s\n", what);
|
||
|
else if (errno == EINVAL)
|
||
|
fprintf(stderr, "invalid value: %s\n", value);
|
||
|
else
|
||
|
perror("");
|
||
|
exit(EXIT_FAILURE);
|
||
|
}
|
||
|
return(EXIT_SUCCESS);
|
||
|
} else if (!strncmp(operation, GET, strlen(GET)+1)) {
|
||
|
char get_param_buffer[4096];
|
||
|
|
||
|
memset(get_param_buffer, '\0', sizeof(get_param_buffer));
|
||
|
sysgetenv.val = get_param_buffer;
|
||
|
sysgetenv.vallen = sizeof(get_param_buffer) - 1;
|
||
|
|
||
|
if (proc_e == VFS_PROC_NR)
|
||
|
param = VFSGETPARAM;
|
||
|
else if (proc_e == PM_PROC_NR)
|
||
|
param = PMGETPARAM;
|
||
|
else
|
||
|
usage();
|
||
|
|
||
|
if (svrctl(param, &sysgetenv) != 0) {
|
||
|
if (errno == ESRCH)
|
||
|
fprintf(stderr, "invalid parameter: %s\n", what);
|
||
|
else
|
||
|
perror("");
|
||
|
return(EXIT_FAILURE);
|
||
|
} else {
|
||
|
if (sysgetenv.vallen > 0) {
|
||
|
get_param_buffer[sysgetenv.vallen] = '\0';
|
||
|
printf("%s\n", get_param_buffer);
|
||
|
}
|
||
|
}
|
||
|
return(EXIT_SUCCESS);
|
||
|
} else
|
||
|
usage();
|
||
|
|
||
|
return(EXIT_FAILURE);
|
||
|
}
|
||
|
|
||
|
static void usage()
|
||
|
{
|
||
|
fprintf(stderr, "Usage:\n");
|
||
|
fprintf(stderr, " %s <vfs|pm> set <request> <value>\n", bin_name);
|
||
|
fprintf(stderr, " %s <vfs|pm> get <request>\n", bin_name);
|
||
|
exit(EXIT_FAILURE);
|
||
|
}
|