openssh/openssh-7.2p2-k5login_directory.patch
DistroBaker d029bb77ce Merged update from upstream sources
This is an automated DistroBaker update from upstream sources.
If you do not know what this is about or would like to opt out,
contact the OSCI team.

Source: https://src.fedoraproject.org/rpms/openssh.git#44aae310bd4e0f19369ea1c91ada03334f29c843
2021-03-22 10:10:25 +00:00

88 lines
2.5 KiB
Diff

diff --git a/auth-krb5.c b/auth-krb5.c
index 2b02a04..19b9364 100644
--- a/auth-krb5.c
+++ b/auth-krb5.c
@@ -375,5 +375,21 @@ cleanup:
return (krb5_cc_resolve(ctx, ccname, ccache));
}
}
+
+/*
+ * Reads k5login_directory option from the krb5.conf
+ */
+krb5_error_code
+ssh_krb5_get_k5login_directory(krb5_context ctx, char **k5login_directory) {
+ profile_t p;
+ int ret = 0;
+
+ ret = krb5_get_profile(ctx, &p);
+ if (ret)
+ return ret;
+
+ return profile_get_string(p, "libdefaults", "k5login_directory", NULL, NULL,
+ k5login_directory);
+}
#endif /* !HEIMDAL */
#endif /* KRB5 */
diff --git a/auth.h b/auth.h
index f9d191c..c432d2f 100644
--- a/auth.h
+++ b/auth.h
@@ -222,6 +222,8 @@ int sys_auth_passwd(Authctxt *, const char *);
#if defined(KRB5) && !defined(HEIMDAL)
krb5_error_code ssh_krb5_cc_new_unique(krb5_context, krb5_ccache *, int *);
+krb5_error_code ssh_krb5_get_k5login_directory(krb5_context ctx,
+ char **k5login_directory);
#endif
#endif /* AUTH_H */
diff --git a/gss-serv-krb5.c b/gss-serv-krb5.c
index a7c0c5f..df8cc9a 100644
--- a/gss-serv-krb5.c
+++ b/gss-serv-krb5.c
@@ -244,8 +244,27 @@ ssh_gssapi_k5login_exists()
{
char file[MAXPATHLEN];
struct passwd *pw = the_authctxt->pw;
+ char *k5login_directory = NULL;
+ int ret = 0;
+
+ ret = ssh_krb5_get_k5login_directory(krb_context, &k5login_directory);
+ debug3_f("k5login_directory = %s (rv=%d)", k5login_directory, ret);
+ if (k5login_directory == NULL || ret != 0) {
+ /* If not set, the library will look for k5login
+ * files in the user's home directory, with the filename .k5login.
+ */
+ snprintf(file, sizeof(file), "%s/.k5login", pw->pw_dir);
+ } else {
+ /* If set, the library will look for a local user's k5login file
+ * within the named directory, with a filename corresponding to the
+ * local username.
+ */
+ snprintf(file, sizeof(file), "%s%s%s", k5login_directory,
+ k5login_directory[strlen(k5login_directory)-1] != '/' ? "/" : "",
+ pw->pw_name);
+ }
+ debug_f("Checking existence of file %s", file);
- snprintf(file, sizeof(file), "%s/.k5login", pw->pw_dir);
return access(file, F_OK) == 0;
}
diff --git a/sshd.8 b/sshd.8
index 5c4f15b..135e290 100644
--- a/sshd.8
+++ b/sshd.8
@@ -806,6 +806,10 @@ rlogin/rsh.
These files enforce GSSAPI/Kerberos authentication access control.
Further details are described in
.Xr ksu 1 .
+The location of the k5login file depends on the configuration option
+.Cm k5login_directory
+in the
+.Xr krb5.conf 5 .
.Pp
.It Pa ~/.ssh/
This directory is the default location for all user-specific configuration