void
makePath(const char *base, char *out, size_t outsz)
{
const char *zroot = zone_get_nroot();
(void) snprintf(out, outsz, "%s%s", zroot != NULL ? zroot : "", base);
}
void
doexec(char *fstype, char *newargv[])
{
const char *zroot = zone_get_nroot();
char full_path[PATH_MAX];
char alter_path[PATH_MAX];
char *vfs_path = VFS_PATH;
char *alt_path = ALT_PATH;
int i;
/* build the full pathname of the fstype dependent command. */
(void) snprintf(full_path, sizeof (full_path), "%s/%s/%s/%s",
(zroot != NULL ? zroot : ""), vfs_path, fstype, myname);
sprintf(alter_path, "%s/%s/%s", alt_path, fstype, myname);
newargv[1] = myname;
if (Vflg) {
printf("%s -F %s", newargv[1], fstype);
for (i = 2; newargv[i]; i++)
printf(" %s", newargv[i]);
printf("\n");
fflush(stdout);
exit(0);
}
/*
* Try to exec the fstype dependent portion of the mount.
* See if the directory is there before trying to exec dependent
* portion. This is only useful for eliminating the
* '..mount: not found' message when '/usr' is mounted
*/
if (access(full_path, 0) == 0) {
execv(full_path, &newargv[1]);
if (errno == EACCES) {
fprintf(stderr,
gettext("%s: Cannot execute %s - permission denied\n"),
myname, full_path);
}
if (errno == ENOEXEC) {
newargv[0] = "sh";
newargv[1] = full_path;
execv("/sbin/sh", &newargv[0]);
}
}
execv(alter_path, &newargv[1]);
if (errno == EACCES) {
fprintf(stderr, gettext(
"%s: Cannot execute %s - permission denied\n"),
myname, alter_path);
exit(1);
}
if (errno == ENOEXEC) {
newargv[0] = "sh";
newargv[1] = alter_path;
execv("/sbin/sh", &newargv[0]);
}
fprintf(stderr,
gettext("%s: Operation not applicable to FSType %s\n"),
myname, fstype);
exit(1);
}