#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "libavutil/attributes.h"
+#include "libavformat/avio.h"
#include "avformat.h"
#include "internal.h"
#include "url.h"
ssh_session session;
sftp_session sftp;
sftp_file file;
+ sftp_dir dir;
int64_t filesize;
int rw_timeout;
int trunc;
return 0;
}
-static av_cold int libssh_open(URLContext *h, const char *url, int flags)
+static av_cold int libssh_connect(URLContext *h, const char *url, char *path, size_t path_size)
{
LIBSSHContext *libssh = h->priv_data;
- char proto[10], path[MAX_URL_SIZE], hostname[1024], credencials[1024];
- int port, ret;
+ char proto[10], hostname[1024], credencials[1024];
+ int port = 22, ret;
const char *user = NULL, *pass = NULL;
char *end = NULL;
credencials, sizeof(credencials),
hostname, sizeof(hostname),
&port,
- path, sizeof(path),
+ path, path_size,
url);
+ if (!(*path))
+ av_strlcpy(path, "/", path_size);
+
// a port of 0 will use a port from ~/.ssh/config or the default value 22
if (port < 0 || port > 65535)
port = 0;
if ((ret = libssh_create_ssh_session(libssh, hostname, port)) < 0)
- goto fail;
+ return ret;
user = av_strtok(credencials, ":", &end);
pass = av_strtok(end, ":", &end);
if ((ret = libssh_authentication(libssh, user, pass)) < 0)
- goto fail;
+ return ret;
if ((ret = libssh_create_sftp_session(libssh)) < 0)
+ return ret;
+
+ return 0;
+}
+
+static av_cold int libssh_open(URLContext *h, const char *url, int flags)
+{
+ int ret;
+ LIBSSHContext *libssh = h->priv_data;
+ char path[MAX_URL_SIZE];
+
+ if ((ret = libssh_connect(h, url, path, sizeof(path))) < 0)
goto fail;
if ((ret = libssh_open_file(libssh, flags, path)) < 0)
return bytes_written;
}
+static int libssh_open_dir(URLContext *h)
+{
+ LIBSSHContext *libssh = h->priv_data;
+ int ret;
+ char path[MAX_URL_SIZE];
+
+ if ((ret = libssh_connect(h, h->filename, path, sizeof(path))) < 0)
+ goto fail;
+
+ if (!(libssh->dir = sftp_opendir(libssh->sftp, path))) {
+ av_log(libssh, AV_LOG_ERROR, "Error opening sftp dir: %s\n", ssh_get_error(libssh->session));
+ ret = AVERROR(EIO);
+ goto fail;
+ }
+
+ return 0;
+
+ fail:
+ libssh_close(h);
+ return ret;
+}
+
+static int libssh_read_dir(URLContext *h, AVIODirEntry **next)
+{
+ LIBSSHContext *libssh = h->priv_data;
+ sftp_attributes attr = NULL;
+ AVIODirEntry *entry;
+
+ *next = entry = ff_alloc_dir_entry();
+ if (!entry)
+ return AVERROR(ENOMEM);
+
+ do {
+ if (attr)
+ sftp_attributes_free(attr);
+ attr = sftp_readdir(libssh->sftp, libssh->dir);
+ if (!attr) {
+ av_freep(next);
+ if (sftp_dir_eof(libssh->dir))
+ return 0;
+ return AVERROR(EIO);
+ }
+ } while (!strcmp(attr->name, ".") || !strcmp(attr->name, ".."));
+
+ entry->name = av_strdup(attr->name);
+ entry->group_id = attr->gid;
+ entry->user_id = attr->uid;
+ entry->size = attr->size;
+ entry->access_timestamp = INT64_C(1000000) * attr->atime;
+ entry->modification_timestamp = INT64_C(1000000) * attr->mtime;
+ entry->filemode = attr->permissions & 0777;
+ switch(attr->type) {
+ case SSH_FILEXFER_TYPE_REGULAR:
+ entry->type = AVIO_ENTRY_FILE;
+ break;
+ case SSH_FILEXFER_TYPE_DIRECTORY:
+ entry->type = AVIO_ENTRY_DIRECTORY;
+ break;
+ case SSH_FILEXFER_TYPE_SYMLINK:
+ entry->type = AVIO_ENTRY_SYMBOLIC_LINK;
+ break;
+ case SSH_FILEXFER_TYPE_SPECIAL:
+ /* Special type includes: sockets, char devices, block devices and pipes.
+ It is probably better to return unknown type, to not confuse anybody. */
+ case SSH_FILEXFER_TYPE_UNKNOWN:
+ default:
+ entry->type = AVIO_ENTRY_UNKNOWN;
+ }
+ sftp_attributes_free(attr);
+ return 0;
+}
+
+static int libssh_close_dir(URLContext *h)
+{
+ LIBSSHContext *libssh = h->priv_data;
+ if (libssh->dir)
+ sftp_closedir(libssh->dir);
+ libssh->dir = NULL;
+ libssh_close(h);
+ return 0;
+}
+
+static int libssh_delete(URLContext *h)
+{
+ int ret;
+ LIBSSHContext *libssh = h->priv_data;
+ sftp_attributes attr = NULL;
+ char path[MAX_URL_SIZE];
+
+ if ((ret = libssh_connect(h, h->filename, path, sizeof(path))) < 0)
+ goto cleanup;
+
+ if (!(attr = sftp_stat(libssh->sftp, path))) {
+ ret = AVERROR(sftp_get_error(libssh->sftp));
+ goto cleanup;
+ }
+
+ if (attr->type == SSH_FILEXFER_TYPE_DIRECTORY) {
+ if (sftp_rmdir(libssh->sftp, path) < 0) {
+ ret = AVERROR(sftp_get_error(libssh->sftp));
+ goto cleanup;
+ }
+ } else {
+ if (sftp_unlink(libssh->sftp, path) < 0) {
+ ret = AVERROR(sftp_get_error(libssh->sftp));
+ goto cleanup;
+ }
+ }
+
+ ret = 0;
+
+cleanup:
+ if (attr)
+ sftp_attributes_free(attr);
+ libssh_close(h);
+ return ret;
+}
+
+static int libssh_move(URLContext *h_src, URLContext *h_dst)
+{
+ int ret;
+ LIBSSHContext *libssh = h_src->priv_data;
+ char path_src[MAX_URL_SIZE], path_dst[MAX_URL_SIZE];
+ char hostname_src[1024], hostname_dst[1024];
+ char credentials_src[1024], credentials_dst[1024];
+ int port_src = 22, port_dst = 22;
+
+ av_url_split(NULL, 0,
+ credentials_src, sizeof(credentials_src),
+ hostname_src, sizeof(hostname_src),
+ &port_src,
+ path_src, sizeof(path_src),
+ h_src->filename);
+
+ av_url_split(NULL, 0,
+ credentials_dst, sizeof(credentials_dst),
+ hostname_dst, sizeof(hostname_dst),
+ &port_dst,
+ path_dst, sizeof(path_dst),
+ h_dst->filename);
+
+ if (strcmp(credentials_src, credentials_dst) ||
+ strcmp(hostname_src, hostname_dst) ||
+ port_src != port_dst) {
+ return AVERROR(EINVAL);
+ }
+
+ if ((ret = libssh_connect(h_src, h_src->filename, path_src, sizeof(path_src))) < 0)
+ goto cleanup;
+
+ if (sftp_rename(libssh->sftp, path_src, path_dst) < 0) {
+ ret = AVERROR(sftp_get_error(libssh->sftp));
+ goto cleanup;
+ }
+
+ ret = 0;
+
+cleanup:
+ libssh_close(h_src);
+ return ret;
+}
+
#define OFFSET(x) offsetof(LIBSSHContext, x)
#define D AV_OPT_FLAG_DECODING_PARAM
#define E AV_OPT_FLAG_ENCODING_PARAM
.url_write = libssh_write,
.url_seek = libssh_seek,
.url_close = libssh_close,
+ .url_delete = libssh_delete,
+ .url_move = libssh_move,
+ .url_open_dir = libssh_open_dir,
+ .url_read_dir = libssh_read_dir,
+ .url_close_dir = libssh_close_dir,
.priv_data_size = sizeof(LIBSSHContext),
.priv_data_class = &libssh_context_class,
.flags = URL_PROTOCOL_FLAG_NETWORK,
projects / ffmpeg / blobdiff