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* $Id: sftp_mkdir_nonblock.c,v 1.12 2009/04/28 10:35:30 bagder Exp $
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* Sample showing how to do SFTP non-blocking mkdir.
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* The sample code has default values for host name, user name, password
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* and path to copy, but you can specify them on the command line like:
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* "sftp 192.168.0.1 user password /tmp/sftp_write_nonblock.c"
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#include "libssh2_config.h"
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#include <libssh2_sftp.h>
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#ifdef HAVE_WINSOCK2_H
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# include <winsock2.h>
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#ifdef HAVE_SYS_SOCKET_H
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# include <sys/socket.h>
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#ifdef HAVE_ARPA_INET_H
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# include <arpa/inet.h>
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#include <sys/types.h>
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int main(int argc, char *argv[])
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unsigned long hostaddr;
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int sock, i, auth_pw = 1;
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struct sockaddr_in sin;
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const char *fingerprint;
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LIBSSH2_SESSION *session;
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const char *username="username";
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const char *password="password";
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const char *sftppath="/tmp/sftp_mkdir_nonblock";
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#if defined(HAVE_IOCTLSOCKET)
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LIBSSH2_SFTP *sftp_session;
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WSAStartup(MAKEWORD(2,0), &wsadata);
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hostaddr = inet_addr(argv[1]);
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hostaddr = htonl(0x7F000001);
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* The application code is responsible for creating the socket
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* and establishing the connection
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sock = socket(AF_INET, SOCK_STREAM, 0);
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sin.sin_family = AF_INET;
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sin.sin_port = htons(22);
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sin.sin_addr.s_addr = hostaddr;
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if (connect(sock, (struct sockaddr*)(&sin),
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sizeof(struct sockaddr_in)) != 0) {
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fprintf(stderr, "failed to connect!\n");
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/* Create a session instance
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session = libssh2_session_init();
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/* ... start it up. This will trade welcome banners, exchange keys,
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* and setup crypto, compression, and MAC layers
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rc = libssh2_session_startup(session, sock);
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fprintf(stderr, "Failure establishing SSH session: %d\n", rc);
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/* At this point we havn't yet authenticated. The first thing to do
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* is check the hostkey's fingerprint against our known hosts Your app
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* may have it hard coded, may go to a file, may present it to the
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* user, that's your call
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fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
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printf("Fingerprint: ");
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for(i = 0; i < 20; i++) {
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printf("%02X ", (unsigned char)fingerprint[i]);
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/* We could authenticate via password */
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if (libssh2_userauth_password(session, username, password)) {
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printf("Authentication by password failed.\n");
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/* Or by public key */
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if (libssh2_userauth_publickey_fromfile(session, username,
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"/home/username/.ssh/id_rsa.pub",
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"/home/username/.ssh/id_rsa",
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printf("\tAuthentication by public key failed\n");
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fprintf(stderr, "libssh2_sftp_init()!\n");
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sftp_session = libssh2_sftp_init(session);
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fprintf(stderr, "Unable to init SFTP session\n");
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/* Since we have set non-blocking, tell libssh2 we are non-blocking */
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libssh2_session_set_blocking(session, 0);
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fprintf(stderr, "libssh2_sftp_mkdirnb()!\n");
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/* Make a directory via SFTP */
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while ((rc = libssh2_sftp_mkdir(sftp_session, sftppath,
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LIBSSH2_SFTP_S_IRWXU|
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LIBSSH2_SFTP_S_IRGRP|LIBSSH2_SFTP_S_IXGRP|
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LIBSSH2_SFTP_S_IROTH|LIBSSH2_SFTP_S_IXOTH))
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== LIBSSH2_ERROR_EAGAIN) {
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libssh2_sftp_shutdown(sftp_session);
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libssh2_session_disconnect(session, "Normal Shutdown, Thank you for playing");
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libssh2_session_free(session);
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printf("all done\n");
added
removed
example/sftp_mkdir_nonblock.c
