void encryption::init(encryption_method method)
{
_last_error.clear();
_method = method;
_ca_filename.clear();
_cert_filename.clear();
_private_key_filename.clear();
_verify_mode = ssl_verify_none;
_verify_callback = verify_callback();
_context = std::move(ssl_context(static_cast<ssl_context::method>(_method)));
}
int parse_path(const char *path,char *result,struct vnode **ret_vnode,int (*error_callback) (struct dentry *dentry,const char *name), int (*verify_callback)(struct dentry *dentry ) ) {
char *args = (char *)path;
struct vnode *vnode ; /*pointer to the current vnode*/
struct mountpoint *mp ;
char output[MAX_PATH+1];
int err = -1;
if( ret_vnode )
*ret_vnode = NULL;
if( !args ) {
goto out;
}
while (isspace(*args) ) ++args;
if (! *args) {
goto out;
}
vnode = vnode_lookup(current->files_struct.cwd);
if(! vnode) {
printf("Invalid CURRENT WORKING DIRECTORY %s. vnode not found in Function %s...\n",current->files_struct.cwd,__FUNCTION__);
goto out;
}
trim_file_separator(args,output,sizeof(output)-1);
{
char *ptr = output;
char *ptr1 ;
char path[MAX_PATH+1], abs_path[MAX_PATH+1]="";
struct vnode *traverse = vnode;
struct dentry *dentry ;
if(output[0] == FILE_SEPARATOR) {
/*look for a mount point in the path and set the current to that of the mount point*/
if( ( mp = get_mount(output) ) ) {
ptr += strlen(mp->path);
traverse = mp->v;
} else {
error_callback(NULL,args);
goto out;
}
}
if(strcmp(traverse->name.abs_name,FILE_SEPARATOR_STR) )
strncpy(abs_path,traverse->name.abs_name,sizeof(abs_path)-1);
while ( ptr && *ptr ) {
ptr1 = strchr(ptr,FILE_SEPARATOR);
if(ptr1)
*ptr1++ = 0;
if(*ptr) {
if (!strcmp(ptr,".") ) {
/*ignore this guy or current directory references*/
} else if (!strcmp(ptr,"..") ) {
if(traverse->parent) {
traverse = traverse->parent; /*shift to the parent vnode*/
/*overwrite the absolute path*/
strncpy(abs_path,traverse->name.abs_name,sizeof(abs_path)-1);
} else {
error_callback(NULL,args);
goto out;
}
} else {
sprintf(path,"%s%s",FILE_SEPARATOR_STR,ptr);
strncat(abs_path,path,sizeof(abs_path) - strlen(abs_path) - 1);
/*no we try to get a dentry corresponding to the current vnode*/
dentry = vfs_lookup_dentry(traverse,ptr);
if(!dentry) {
error_callback(NULL,args);
goto out;
}
if(! verify_callback(dentry) ) {
error_callback(dentry,args);
goto out;
}
traverse = vnode_find(abs_path); /*we now get the vnode*/
if(! traverse) {
printf("cannot chdir to %s.vnode not found...\n",args);
goto out;
}
}
}
ptr = ptr1;
}
strncpy(result,traverse->name.abs_name,MAX_PATH);
if(ret_vnode)
*ret_vnode = traverse;
}
err = 0;
out:
return err;
}
