- (tim) [kex.c myproposal.h md-sha256.c openbsd-compat/sha2.c,h] Disable

[openssh.git] / sftp-client.c

diff --git a/sftp-client.c b/sftp-client.c
index 92df427515f93955c25f188e49e4f6a9bd006874..6637feca4ac8752c50da718eb8e4f5bafeb89a4a 100644 (file)
--- a/sftp-client.c
+++ b/sftp-client.c
@@ -20,7 +20,13 @@
 /* XXX: copy between two remote sites */
 
 #include "includes.h"
-RCSID("$OpenBSD: sftp-client.c,v 1.53 2005/03/10 22:01:05 deraadt Exp $");
+RCSID("$OpenBSD: sftp-client.c,v 1.60 2006/02/20 17:19:54 stevesk Exp $");
+
+#include <sys/types.h>
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+# include <signal.h>
 
 #include "openbsd-compat/sys-queue.h"
 
@@ -39,12 +45,9 @@ RCSID("$OpenBSD: sftp-client.c,v 1.53 2005/03/10 22:01:05 deraadt Exp $");
 extern volatile sig_atomic_t interrupted;
 extern int showprogress;
 
-/* Minimum amount of data to read at at time */
+/* Minimum amount of data to read at a time */
 #define MIN_READ_SIZE  512
 
-/* Maximum packet size */
-#define MAX_MSG_LENGTH (256 * 1024)
-
 struct sftp_conn {
        int fd_in;
        int fd_out;
@@ -59,15 +62,15 @@ send_msg(int fd, Buffer *m)
 {
        u_char mlen[4];
 
-       if (buffer_len(m) > MAX_MSG_LENGTH)
+       if (buffer_len(m) > SFTP_MAX_MSG_LENGTH)
                fatal("Outbound message too long %u", buffer_len(m));
 
        /* Send length first */
        PUT_32BIT(mlen, buffer_len(m));
-       if (atomicio(vwrite, fd, mlen, sizeof(mlen)) <= 0)
+       if (atomicio(vwrite, fd, mlen, sizeof(mlen)) != sizeof(mlen))
                fatal("Couldn't send packet: %s", strerror(errno));
 
-       if (atomicio(vwrite, fd, buffer_ptr(m), buffer_len(m)) <= 0)
+       if (atomicio(vwrite, fd, buffer_ptr(m), buffer_len(m)) != buffer_len(m))
                fatal("Couldn't send packet: %s", strerror(errno));
 
        buffer_clear(m);
@@ -76,26 +79,27 @@ send_msg(int fd, Buffer *m)
 static void
 get_msg(int fd, Buffer *m)
 {
-       ssize_t len;
        u_int msg_len;
 
        buffer_append_space(m, 4);
-       len = atomicio(read, fd, buffer_ptr(m), 4);
-       if (len == 0)
-               fatal("Connection closed");
-       else if (len == -1)
-               fatal("Couldn't read packet: %s", strerror(errno));
+       if (atomicio(read, fd, buffer_ptr(m), 4) != 4) {
+               if (errno == EPIPE)
+                       fatal("Connection closed");
+               else
+                       fatal("Couldn't read packet: %s", strerror(errno));
+       }
 
        msg_len = buffer_get_int(m);
-       if (msg_len > MAX_MSG_LENGTH)
+       if (msg_len > SFTP_MAX_MSG_LENGTH)
                fatal("Received message too long %u", msg_len);
 
        buffer_append_space(m, msg_len);
-       len = atomicio(read, fd, buffer_ptr(m), msg_len);
-       if (len == 0)
-               fatal("Connection closed");
-       else if (len == -1)
-               fatal("Read packet: %s", strerror(errno));
+       if (atomicio(read, fd, buffer_ptr(m), msg_len) != msg_len) {
+               if (errno == EPIPE)
+                       fatal("Connection closed");
+               else
+                       fatal("Read packet: %s", strerror(errno));
+       }
 }
 
 static void
@@ -310,7 +314,7 @@ do_lsreaddir(struct sftp_conn *conn, char *path, int printflag,
     SFTP_DIRENT ***dir)
 {
        Buffer msg;
-       u_int type, id, handle_len, i, expected_id, ents = 0;
+       u_int count, type, id, handle_len, i, expected_id, ents = 0;
        char *handle;
 
        id = conn->msg_id++;
@@ -334,8 +338,6 @@ do_lsreaddir(struct sftp_conn *conn, char *path, int printflag,
        }
 
        for (; !interrupted;) {
-               int count;
-
                id = expected_id = conn->msg_id++;
 
                debug3("Sending SSH2_FXP_READDIR I:%u", id);
@@ -743,10 +745,10 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path,
        Attrib junk, *a;
        Buffer msg;
        char *handle;
-       int local_fd, status, num_req, max_req, write_error;
+       int local_fd, status = 0, write_error;
        int read_error, write_errno;
        u_int64_t offset, size;
-       u_int handle_len, mode, type, id, buflen;
+       u_int handle_len, mode, type, id, buflen, num_req, max_req;
        off_t progress_counter;
        struct request {
                u_int id;
@@ -1127,7 +1129,7 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path,
                                goto done;
                        }
                        debug3("In write loop, ack for %u %u bytes at %llu",
-                          ack->id, ack->len, (unsigned long long)ack->offset);
+                           ack->id, ack->len, (unsigned long long)ack->offset);
                        ++ackid;
                        xfree(ack);
                }