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-rw-r--r--libssh/sftpserver.c490
1 files changed, 0 insertions, 490 deletions
diff --git a/libssh/sftpserver.c b/libssh/sftpserver.c
deleted file mode 100644
index 77f64198..00000000
--- a/libssh/sftpserver.c
+++ /dev/null
@@ -1,490 +0,0 @@
-/*
- * sftpserver.c - server based function for the sftp protocol
- *
- * This file is part of the SSH Library
- *
- * Copyright (c) 2005 by Aris Adamantiadis
- *
- * The SSH Library is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or (at your
- * option) any later version.
- *
- * The SSH Library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- * License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with the SSH Library; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-
-#ifndef _WIN32
-#include <arpa/inet.h>
-#endif
-
-#include "libssh/libssh.h"
-#include "libssh/sftp.h"
-#include "libssh/ssh2.h"
-#include "libssh/priv.h"
-#include "libssh/buffer.h"
-#include "libssh/misc.h"
-
-sftp_client_message sftp_get_client_message(sftp_session sftp) {
- sftp_packet packet;
- sftp_client_message msg;
- ssh_buffer payload;
- ssh_string tmp;
-
- msg = malloc(sizeof (struct sftp_client_message_struct));
- if (msg == NULL) {
- return NULL;
- }
- ZERO_STRUCTP(msg);
-
- packet = sftp_packet_read(sftp);
- if (packet == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
-
- payload = packet->payload;
- msg->type = packet->type;
- msg->sftp = sftp;
-
- buffer_get_u32(payload, &msg->id);
-
- switch(msg->type) {
- case SSH_FXP_CLOSE:
- case SSH_FXP_READDIR:
- msg->handle = buffer_get_ssh_string(payload);
- if (msg->handle == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- break;
- case SSH_FXP_READ:
- msg->handle = buffer_get_ssh_string(payload);
- if (msg->handle == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- buffer_get_u64(payload, &msg->offset);
- buffer_get_u32(payload, &msg->len);
- break;
- case SSH_FXP_WRITE:
- msg->handle = buffer_get_ssh_string(payload);
- if (msg->handle == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- buffer_get_u64(payload, &msg->offset);
- msg->data = buffer_get_ssh_string(payload);
- if (msg->data == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- break;
- case SSH_FXP_REMOVE:
- case SSH_FXP_RMDIR:
- case SSH_FXP_OPENDIR:
- case SSH_FXP_READLINK:
- case SSH_FXP_REALPATH:
- tmp = buffer_get_ssh_string(payload);
- if (tmp == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- msg->filename = ssh_string_to_char(tmp);
- ssh_string_free(tmp);
- if (msg->filename == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- break;
- case SSH_FXP_RENAME:
- case SSH_FXP_SYMLINK:
- tmp = buffer_get_ssh_string(payload);
- if (tmp == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- msg->filename = ssh_string_to_char(tmp);
- ssh_string_free(tmp);
- if (msg->filename == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- msg->data = buffer_get_ssh_string(payload);
- if (msg->data == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- break;
- case SSH_FXP_MKDIR:
- case SSH_FXP_SETSTAT:
- tmp = buffer_get_ssh_string(payload);
- if (tmp == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- msg->filename=ssh_string_to_char(tmp);
- ssh_string_free(tmp);
- if (msg->filename == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- msg->attr = sftp_parse_attr(sftp, payload, 0);
- if (msg->attr == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- break;
- case SSH_FXP_FSETSTAT:
- msg->handle = buffer_get_ssh_string(payload);
- if (msg->handle == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- msg->attr = sftp_parse_attr(sftp, payload, 0);
- if (msg->attr == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- break;
- case SSH_FXP_LSTAT:
- case SSH_FXP_STAT:
- tmp = buffer_get_ssh_string(payload);
- if (tmp == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- msg->filename = ssh_string_to_char(tmp);
- ssh_string_free(tmp);
- if (msg->filename == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- if(sftp->version > 3) {
- buffer_get_u32(payload,&msg->flags);
- }
- break;
- case SSH_FXP_OPEN:
- tmp=buffer_get_ssh_string(payload);
- if (tmp == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- msg->filename = ssh_string_to_char(tmp);
- ssh_string_free(tmp);
- if (msg->filename == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- buffer_get_u32(payload,&msg->flags);
- msg->attr = sftp_parse_attr(sftp, payload, 0);
- if (msg->attr == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- case SSH_FXP_FSTAT:
- msg->handle = buffer_get_ssh_string(payload);
- if (msg->handle == NULL) {
- sftp_client_message_free(msg);
- return NULL;
- }
- buffer_get_u32(payload, &msg->flags);
- break;
- default:
- fprintf(stderr, "Received unhandled sftp message %d\n", msg->type);
- }
-
- msg->flags = ntohl(msg->flags);
- msg->offset = ntohll(msg->offset);
- msg->len = ntohl(msg->len);
- sftp_packet_free(packet);
-
- return msg;
-}
-
-void sftp_client_message_free(sftp_client_message msg) {
- if (msg == NULL) {
- return;
- }
-
- SAFE_FREE(msg->filename);
- ssh_string_free(msg->data);
- ssh_string_free(msg->handle);
- sftp_attributes_free(msg->attr);
-
- ZERO_STRUCTP(msg);
- SAFE_FREE(msg);
-}
-
-int sftp_reply_name(sftp_client_message msg, const char *name,
- sftp_attributes attr) {
- ssh_buffer out;
- ssh_string file;
-
- out = ssh_buffer_new();
- if (out == NULL) {
- return -1;
- }
-
- file = ssh_string_from_char(name);
- if (file == NULL) {
- ssh_buffer_free(out);
- return -1;
- }
-
- if (buffer_add_u32(out, msg->id) < 0 ||
- buffer_add_u32(out, htonl(1)) < 0 ||
- buffer_add_ssh_string(out, file) < 0 ||
- buffer_add_ssh_string(out, file) < 0 || /* The protocol is broken here between 3 & 4 */
- buffer_add_attributes(out, attr) < 0 ||
- sftp_packet_write(msg->sftp, SSH_FXP_NAME, out) < 0) {
- ssh_buffer_free(out);
- ssh_string_free(file);
- return -1;
- }
- ssh_buffer_free(out);
- ssh_string_free(file);
-
- return 0;
-}
-
-int sftp_reply_handle(sftp_client_message msg, ssh_string handle){
- ssh_buffer out;
-
- out = ssh_buffer_new();
- if (out == NULL) {
- return -1;
- }
-
- if (buffer_add_u32(out, msg->id) < 0 ||
- buffer_add_ssh_string(out, handle) < 0 ||
- sftp_packet_write(msg->sftp, SSH_FXP_HANDLE, out) < 0) {
- ssh_buffer_free(out);
- return -1;
- }
- ssh_buffer_free(out);
-
- return 0;
-}
-
-int sftp_reply_attr(sftp_client_message msg, sftp_attributes attr) {
- ssh_buffer out;
-
- out = ssh_buffer_new();
- if (out == NULL) {
- return -1;
- }
-
- if (buffer_add_u32(out, msg->id) < 0 ||
- buffer_add_attributes(out, attr) < 0 ||
- sftp_packet_write(msg->sftp, SSH_FXP_ATTRS, out) < 0) {
- ssh_buffer_free(out);
- return -1;
- }
- ssh_buffer_free(out);
-
- return 0;
-}
-
-int sftp_reply_names_add(sftp_client_message msg, const char *file,
- const char *longname, sftp_attributes attr) {
- ssh_string name;
-
- name = ssh_string_from_char(file);
- if (name == NULL) {
- return -1;
- }
-
- if (msg->attrbuf == NULL) {
- msg->attrbuf = ssh_buffer_new();
- if (msg->attrbuf == NULL) {
- ssh_string_free(name);
- return -1;
- }
- }
-
- if (buffer_add_ssh_string(msg->attrbuf, name) < 0) {
- ssh_string_free(name);
- return -1;
- }
-
- ssh_string_free(name);
- name = ssh_string_from_char(longname);
- if (name == NULL) {
- return -1;
- }
- if (buffer_add_ssh_string(msg->attrbuf,name) < 0 ||
- buffer_add_attributes(msg->attrbuf,attr) < 0) {
- ssh_string_free(name);
- return -1;
- }
- ssh_string_free(name);
- msg->attr_num++;
-
- return 0;
-}
-
-int sftp_reply_names(sftp_client_message msg) {
- ssh_buffer out;
-
- out = ssh_buffer_new();
- if (out == NULL) {
- ssh_buffer_free(msg->attrbuf);
- return -1;
- }
-
- if (buffer_add_u32(out, msg->id) < 0 ||
- buffer_add_u32(out, htonl(msg->attr_num)) < 0 ||
- buffer_add_data(out, ssh_buffer_get_begin(msg->attrbuf),
- ssh_buffer_get_len(msg->attrbuf)) < 0 ||
- sftp_packet_write(msg->sftp, SSH_FXP_NAME, out) < 0) {
- ssh_buffer_free(out);
- ssh_buffer_free(msg->attrbuf);
- return -1;
- }
-
- ssh_buffer_free(out);
- ssh_buffer_free(msg->attrbuf);
-
- msg->attr_num = 0;
- msg->attrbuf = NULL;
-
- return 0;
-}
-
-int sftp_reply_status(sftp_client_message msg, uint32_t status,
- const char *message) {
- ssh_buffer out;
- ssh_string s;
-
- out = ssh_buffer_new();
- if (out == NULL) {
- return -1;
- }
-
- s = ssh_string_from_char(message ? message : "");
- if (s == NULL) {
- ssh_buffer_free(out);
- return -1;
- }
-
- if (buffer_add_u32(out, msg->id) < 0 ||
- buffer_add_u32(out, htonl(status)) < 0 ||
- buffer_add_ssh_string(out, s) < 0 ||
- buffer_add_u32(out, 0) < 0 || /* language string */
- sftp_packet_write(msg->sftp, SSH_FXP_STATUS, out) < 0) {
- ssh_buffer_free(out);
- ssh_string_free(s);
- return -1;
- }
-
- ssh_buffer_free(out);
- ssh_string_free(s);
-
- return 0;
-}
-
-int sftp_reply_data(sftp_client_message msg, const void *data, int len) {
- ssh_buffer out;
-
- out = ssh_buffer_new();
- if (out == NULL) {
- return -1;
- }
-
- if (buffer_add_u32(out, msg->id) < 0 ||
- buffer_add_u32(out, ntohl(len)) < 0 ||
- buffer_add_data(out, data, len) < 0 ||
- sftp_packet_write(msg->sftp, SSH_FXP_DATA, out) < 0) {
- ssh_buffer_free(out);
- return -1;
- }
- ssh_buffer_free(out);
-
- return 0;
-}
-
-/*
- * This function will return you a new handle to give the client.
- * the function accepts an info that can be retrieved later with
- * the handle. Care is given that a corrupted handle won't give a
- * valid info (or worse).
- */
-ssh_string sftp_handle_alloc(sftp_session sftp, void *info) {
- ssh_string ret;
- uint32_t val;
- int i;
-
- if (sftp->handles == NULL) {
- sftp->handles = malloc(sizeof(void *) * SFTP_HANDLES);
- if (sftp->handles == NULL) {
- return NULL;
- }
- memset(sftp->handles, 0, sizeof(void *) * SFTP_HANDLES);
- }
-
- for (i = 0; i < SFTP_HANDLES; i++) {
- if (sftp->handles[i] == NULL) {
- break;
- }
- }
-
- if (i == SFTP_HANDLES) {
- return NULL; /* no handle available */
- }
-
- val = i;
- ret = ssh_string_new(4);
- if (ret == NULL) {
- return NULL;
- }
-
- memcpy(ssh_string_data(ret), &val, sizeof(uint32_t));
- sftp->handles[i] = info;
-
- return ret;
-}
-
-void *sftp_handle(sftp_session sftp, ssh_string handle){
- uint32_t val;
-
- if (sftp->handles == NULL) {
- return NULL;
- }
-
- if (ssh_string_len(handle) != sizeof(uint32_t)) {
- return NULL;
- }
-
- memcpy(&val, ssh_string_data(handle), sizeof(uint32_t));
-
- if (val > SFTP_HANDLES) {
- return NULL;
- }
-
- return sftp->handles[val];
-}
-
-void sftp_handle_remove(sftp_session sftp, void *handle) {
- int i;
-
- for (i = 0; i < SFTP_HANDLES; i++) {
- if (sftp->handles[i] == handle) {
- sftp->handles[i] = NULL;
- break;
- }
- }
-}
-
-/* vim: set ts=2 sw=2 et cindent: */