From: Christian Hesse <mail@xxxxxxxx>
Modern Linux systems create a private directory in /run/user/ for each
user, named by numeric user id (uid). This adds a new character sequence
'%i' for expansion in ControlPath to match this (and possibly other)
directory.
Signed-off-by: Christian Hesse <mail@xxxxxxxx>
---
ssh.c | 5 ++++-
ssh_config.5 | 4 +++-
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/ssh.c b/ssh.c
index 59c1f93..c4de144 100644
--- a/ssh.c
+++ b/ssh.c
@@ -505,7 +505,8 @@ main(int ac, char **av)
{
int i, r, opt, exit_status, use_syslog, config_test = 0;
char *p, *cp, *line, *argv0, buf[PATH_MAX], *host_arg, *logfile;
- char thishost[NI_MAXHOST], shorthost[NI_MAXHOST], portstr[NI_MAXSERV];
+ char thishost[NI_MAXHOST], shorthost[NI_MAXHOST], portstr[NI_MAXSERV],
+ uidstr[11];
char cname[NI_MAXHOST];
struct stat st;
struct passwd *pw;
@@ -1122,6 +1123,7 @@ main(int ac, char **av)
strlcpy(shorthost, thishost, sizeof(shorthost));
shorthost[strcspn(thishost, ".")] = '\0';
snprintf(portstr, sizeof(portstr), "%d", options.port);
+ snprintf(uidstr, sizeof(uidstr), "%d", pw->pw_uid);
if ((md = ssh_digest_start(SSH_DIGEST_SHA1)) == NULL ||
ssh_digest_update(md, thishost, strlen(thishost)) < 0 ||
@@ -1164,6 +1166,7 @@ main(int ac, char **av)
"p", portstr,
"r", options.user,
"u", pw->pw_name,
+ "i", uidstr,
(char *)NULL);
free(cp);
}
diff --git a/ssh_config.5 b/ssh_config.5
index 5b0975f..489452e 100644
--- a/ssh_config.5
+++ b/ssh_config.5
@@ -538,7 +538,9 @@ the destination port,
.Ql %r
by the remote login username,
.Ql %u
-by the username of the user running
+by the username and
+.Ql %i
+by the numeric user id (uid) of the user running
.Xr ssh 1 , and
.Ql \&%C
by a hash of the concatenation: %l%h%p%r.
--
2.5.0
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