2 * Copyright (c) 2011, JANET(UK)
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29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * Function for converting mechanism error codes to strings.
37 #include "gssapiP_eap.h"
39 struct gss_eap_status_info {
42 struct gss_eap_status_info *next;
46 gssEapDestroyStatusInfo(struct gss_eap_status_info *p)
48 struct gss_eap_status_info *next;
50 for (; p != NULL; p = next) {
52 GSSEAP_FREE(p->message);
58 * Associate a message with a mechanism (minor) status code. This function
59 * takes ownership of the message regardless of success. The message must
60 * be explicitly cleared, if required, so it is suggested that a specific
61 * minor code is either always or never associated with a message, to avoid
62 * dangling (and potentially confusing) error messages.
65 saveStatusInfoNoCopy(OM_uint32 minor, char *message)
67 struct gss_eap_status_info **next = NULL, *p=NULL;
68 struct gss_eap_thread_local_data *tld = gssEapGetThreadLocalData();
71 for (p = tld->statusInfo; p != NULL; p = p->next) {
72 if (p->code == minor) {
73 /* Set message in-place */
74 if (p->message != NULL)
75 GSSEAP_FREE(p->message);
81 p = GSSEAP_CALLOC(1, sizeof(*p));
100 getStatusInfo(OM_uint32 minor)
102 struct gss_eap_status_info *p;
103 struct gss_eap_thread_local_data *tld = gssEapGetThreadLocalData();
106 for (p = tld->statusInfo; p != NULL; p = p->next) {
107 if (p->code == minor)
116 gssEapSaveStatusInfo(OM_uint32 minor, const char *format, ...)
119 OM_uint32 tmpMajor, tmpMinor;
121 gss_buffer_desc s = GSS_C_EMPTY_BUFFER;
124 if (format != NULL) {
125 va_start(ap, format);
126 snprintf(buf, sizeof(buf), format, ap);
130 tmpMajor = makeStringBuffer(&tmpMinor, buf, &s);
131 if (!GSS_ERROR(tmpMajor))
132 saveStatusInfoNoCopy(minor, (char *)s.value);
138 if (format != NULL) {
139 va_start(ap, format);
140 n = vasprintf(&s, format, ap);
146 saveStatusInfoNoCopy(minor, s);
150 OM_uint32 GSSAPI_CALLCONV
151 gss_display_status(OM_uint32 *minor,
152 OM_uint32 status_value,
155 OM_uint32 *message_context,
156 gss_buffer_t status_string)
159 krb5_context krbContext = NULL;
162 status_string->length = 0;
163 status_string->value = NULL;
165 if (!gssEapIsMechanismOid(mech_type)) {
166 *minor = GSSEAP_WRONG_MECH;
167 return GSS_S_BAD_MECH;
170 if (status_type != GSS_C_MECH_CODE ||
171 *message_context != 0) {
172 /* we rely on the mechglue for GSS_C_GSS_CODE */
174 return GSS_S_BAD_STATUS;
177 errMsg = getStatusInfo(status_value);
178 if (errMsg == NULL) {
179 GSSEAP_KRB_INIT(&krbContext);
181 /* Try the com_err message */
182 errMsg = krb5_get_error_message(krbContext, status_value);
185 if (errMsg != NULL) {
186 major = makeStringBuffer(minor, errMsg, status_string);
188 major = GSS_S_COMPLETE;
192 if (krbContext != NULL)
193 krb5_free_error_message(krbContext, errMsg);