Move examples from example/simple to example/.

example/scp.c

@@ -0,0 +1,173 @@
+/*
+ * $Id: scp.c,v 1.12 2009/04/28 10:35:30 bagder Exp $
+ *
+ * Sample showing how to do a simple SCP transfer.
+ */
+
+#include "libssh2_config.h"
+#include <libssh2.h>
+
+#ifdef HAVE_WINSOCK2_H
+# include <winsock2.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+# ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+# include <arpa/inet.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <ctype.h>
+
+int main(int argc, char *argv[])
+{
+    unsigned long hostaddr;
+    int sock, i, auth_pw = 1;
+    struct sockaddr_in sin;
+    const char *fingerprint;
+    LIBSSH2_SESSION *session;
+    LIBSSH2_CHANNEL *channel;
+    const char *username="username";
+    const char *password="password";
+    const char *scppath="/tmp/TEST";
+    struct stat fileinfo;
+    int rc;
+    off_t got=0;
+
+#ifdef WIN32
+    WSADATA wsadata;
+
+    WSAStartup(MAKEWORD(2,0), &wsadata);
+#endif
+
+    if (argc > 1) {
+        hostaddr = inet_addr(argv[1]);
+    } else {
+        hostaddr = htonl(0x7F000001);
+    }
+    if (argc > 2) {
+        username = argv[2];
+    }
+    if (argc > 3) {
+        password = argv[3];
+    }
+    if (argc > 4) {
+        scppath = argv[4];
+    }
+
+    /* Ultra basic "connect to port 22 on localhost"
+     * Your code is responsible for creating the socket establishing the
+     * connection
+     */
+    sock = socket(AF_INET, SOCK_STREAM, 0);
+
+    sin.sin_family = AF_INET;
+    sin.sin_port = htons(22);
+    sin.sin_addr.s_addr = hostaddr;
+    if (connect(sock, (struct sockaddr*)(&sin),
+            sizeof(struct sockaddr_in)) != 0) {
+        fprintf(stderr, "failed to connect!\n");
+        return -1;
+    }
+
+    /* Create a session instance
+     */
+    session = libssh2_session_init();
+    if(!session)
+        return -1;
+
+    /* ... start it up. This will trade welcome banners, exchange keys,
+     * and setup crypto, compression, and MAC layers
+     */
+    rc = libssh2_session_startup(session, sock);
+    if(rc) {
+        fprintf(stderr, "Failure establishing SSH session: %d\n", rc);
+        return -1;
+    }
+
+    /* At this point we havn't yet authenticated.  The first thing to do
+     * is check the hostkey's fingerprint against our known hosts Your app
+     * may have it hard coded, may go to a file, may present it to the
+     * user, that's your call
+     */
+    fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_MD5);
+    fprintf(stderr, "Fingerprint: ");
+    for(i = 0; i < 16; i++) {
+        fprintf(stderr, "%02X ", (unsigned char)fingerprint[i]);
+    }
+    fprintf(stderr, "\n");
+
+    if (auth_pw) {
+        /* We could authenticate via password */
+        if (libssh2_userauth_password(session, username, password)) {
+            fprintf(stderr, "Authentication by password failed.\n");
+            goto shutdown;
+        }
+    } else {
+        /* Or by public key */
+        if (libssh2_userauth_publickey_fromfile(session, username,
+                            "/home/username/.ssh/id_rsa.pub",
+                            "/home/username/.ssh/id_rsa",
+                            password)) {
+            fprintf(stderr, "\tAuthentication by public key failed\n");
+            goto shutdown;
+        }
+    }
+
+    /* Request a file via SCP */
+    channel = libssh2_scp_recv(session, scppath, &fileinfo);
+
+    if (!channel) {
+        fprintf(stderr, "Unable to open a session\n");
+        goto shutdown;
+    }
+
+
+    while(got < fileinfo.st_size) {
+        char mem[1024];
+        int amount=sizeof(mem);
+
+        if((fileinfo.st_size -got) < amount) {
+            amount = fileinfo.st_size -got;
+        }
+
+        rc = libssh2_channel_read(channel, mem, amount);
+        if(rc == amount) {
+            write(1, mem, rc);
+        }
+        else {
+            fprintf(stderr, "libssh2_channel_read() failed: %d\n", rc);
+            break;
+        }
+        got += rc;
+    }
+
+    libssh2_channel_free(channel);
+    channel = NULL;
+
+ shutdown:
+
+    libssh2_session_disconnect(session, "Normal Shutdown, Thank you for playing");
+    libssh2_session_free(session);
+
+#ifdef WIN32
+    closesocket(sock);
+#else
+    close(sock);
+#endif
+    fprintf(stderr, "all done\n");
+    return 0;
+}