diff --git a/scp.1 b/scp.1 index 68aac04b..a96e95ad 100644 --- a/scp.1 +++ b/scp.1 @@ -18,7 +18,7 @@ .Nd OpenSSH secure file copy .Sh SYNOPSIS .Nm scp -.Op Fl 346ABCOpqRrsTv +.Op Fl 346ABCOpqRrTv .Op Fl c Ar cipher .Op Fl D Ar sftp_server_path .Op Fl F Ar ssh_config @@ -79,7 +76,9 @@ The options are as follows: Copies between two remote hosts are transferred through the local host. Without this option the data is copied directly between the two remote hosts. -Note that, when using the original SCP protocol (the default), this option +Note that, when using the original SCP protocol (via the +.Fl O +flag), this option selects batch mode for the second host as .Nm cannot ask for passwords or passphrases for both hosts. @@ -146,7 +145,6 @@ Limits the used bandwidth, specified in Kbit/s. wildcard patterns and for expanding paths with a .Sq ~ prefix for older SFTP servers. -This mode is the default. .It Fl o Ar ssh_option Can be used to pass options to .Nm ssh @@ -258,8 +258,6 @@ to use for the encrypted connection. The program must understand .Xr ssh 1 options. -.It Fl s -Use the SFTP protocol for transfers rather than the original scp protocol. .It Fl T Disable strict filename checking. By default when copying files from a remote host to a local directory @@ -299,11 +289,23 @@ debugging connection, authentication, and configuration problems. .Xr ssh_config 5 , .Xr sftp-server 8 , .Xr sshd 8 +.Sh CAVEATS +The original scp protocol (selected by the +.Fl O +flag) requires execution of the remote user's shell to perform +.Xr glob 3 +pattern matching. +This requires careful quoting of any characters that have special meaning to +the remote shell, such as quote characters. .Sh HISTORY .Nm is based on the rcp program in .Bx source code from the Regents of the University of California. +.Pp +Since OpenSSH 8.8 (8.7 in Red Hat/Fedora builds), +.Nm +has use the SFTP protocol for transfers by default. .Sh AUTHORS .An Timo Rinne Aq Mt tri@iki.fi .An Tatu Ylonen Aq Mt ylo@cs.hut.fi diff --git a/scp.c b/scp.c index e039350c..c7cf7529 100644 --- a/scp.c +++ b/scp.c @@ -448,7 +448,7 @@ main(int argc, char **argv) const char *errstr; extern char *optarg; extern int optind; - enum scp_mode_e mode = MODE_SCP; + enum scp_mode_e mode = MODE_SFTP; char *sftp_direct = NULL; /* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */ @@ -1983,7 +1983,7 @@ void usage(void) { (void) fprintf(stderr, - "usage: scp [-346ABCOpqRrsTv] [-c cipher] [-D sftp_server_path] [-F ssh_config]\n" + "usage: scp [-346ABCOpqRrTv] [-c cipher] [-D sftp_server_path] [-F ssh_config]\n" " [-i identity_file] [-J destination] [-l limit]\n" " [-o ssh_option] [-P port] [-S program] source ... target\n"); exit(1);