diff options
Diffstat (limited to 'gnu/packages/patches/mit-krb5-init-context-null-spnego.patch')
-rw-r--r-- | gnu/packages/patches/mit-krb5-init-context-null-spnego.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/gnu/packages/patches/mit-krb5-init-context-null-spnego.patch b/gnu/packages/patches/mit-krb5-init-context-null-spnego.patch new file mode 100644 index 0000000000..195db38d08 --- /dev/null +++ b/gnu/packages/patches/mit-krb5-init-context-null-spnego.patch @@ -0,0 +1,49 @@ +Copied from Fedora. +http://pkgs.fedoraproject.org/cgit/rpms/krb5.git/tree/krb5-init_context_null_spnego.patch?h=f22 + +From 3beb564cea3d219efcf71682b6576cad548c2d23 Mon Sep 17 00:00:00 2001 +From: Simo Sorce <simo@redhat.com> +Date: Tue, 5 Jan 2016 12:11:59 -0500 +Subject: [PATCH] Check internal context on init context errors + +If the mechanism deletes the internal context handle on error, the +mechglue must do the same with the union context, to avoid crashes if +the application calls other functions with this invalid union context. + +[ghudson@mit.edu: edit commit message and code comment] + +ticket: 8337 (new) +target_version: 1.14-next +target_version: 1.13-next +tags: pullup +--- + src/lib/gssapi/mechglue/g_init_sec_context.c | 11 +++++++---- + 1 file changed, 7 insertions(+), 4 deletions(-) + +diff --git a/src/lib/gssapi/mechglue/g_init_sec_context.c b/src/lib/gssapi/mechglue/g_init_sec_context.c +index aaae767..9f154b8 100644 +--- a/src/lib/gssapi/mechglue/g_init_sec_context.c ++++ b/src/lib/gssapi/mechglue/g_init_sec_context.c +@@ -224,12 +224,15 @@ OM_uint32 * time_rec; + + if (status != GSS_S_COMPLETE && status != GSS_S_CONTINUE_NEEDED) { + /* +- * the spec says (the preferred) method is to delete all +- * context info on the first call to init, and on all +- * subsequent calls make the caller responsible for +- * calling gss_delete_sec_context ++ * The spec says the preferred method is to delete all context info on ++ * the first call to init, and on all subsequent calls make the caller ++ * responsible for calling gss_delete_sec_context. However, if the ++ * mechanism decided to delete the internal context, we should also ++ * delete the union context. + */ + map_error(minor_status, mech); ++ if (union_ctx_id->internal_ctx_id == GSS_C_NO_CONTEXT) ++ *context_handle = GSS_C_NO_CONTEXT; + if (*context_handle == GSS_C_NO_CONTEXT) { + free(union_ctx_id->mech_type->elements); + free(union_ctx_id->mech_type); +-- +2.6.4 + |