* nktypes*sizeof(krb5_int32) for in_tkt_ktypes.
* krb5_int32 for n_tgs_ktypes*sizeof(krb5_int32)
* nktypes*sizeof(krb5_int32) for tgs_ktypes.
+ * krb5_int32 for clockskew
+ * krb5_int32 for kdc_req_sumtype
+ * krb5_int32 for ap_req_sumtype
+ * krb5_int32 for safe_sumtype
+ * krb5_int32 for kdc_default_options
+ * krb5_int32 for library_options
+ * krb5_int32 for profile_secure
+ * krb5_int32 for fcc_default_format
+ * krb5_int32 for scc_default_format
+ * <> for os_context
+ * <> for db_context
+ * <> for profile
* krb5_int32 for trailer.
*/
kret = EINVAL;
if ((context = (krb5_context) arg)) {
/* Calculate base length */
- required = (sizeof(krb5_int32) +
- sizeof(krb5_int32) +
- sizeof(krb5_int32) +
- sizeof(krb5_int32) +
+ required = (14 * sizeof(krb5_int32) +
(context->in_tkt_ktype_count * sizeof(krb5_int32)) +
- sizeof(krb5_int32) +
(context->tgs_ktype_count * sizeof(krb5_int32)));
if (context->default_realm)
required = 0;
bp = *buffer;
remain = *lenremain;
- kret = EINVAL;
- if ((context = (krb5_context) arg)) {
- kret = ENOMEM;
- if (!krb5_context_size(kcontext, arg, &required) &&
- (required <= remain)) {
- /* First write our magic number */
- (void) krb5_ser_pack_int32(KV5M_CONTEXT, &bp, &remain);
-
- /* Now sizeof default realm */
- (void) krb5_ser_pack_int32((context->default_realm) ?
- (krb5_int32) strlen(context->
- default_realm) : 0,
- &bp, &remain);
+ context = (krb5_context) arg;
+ if (!context)
+ return (EINVAL);
+ KRB5_VERIFY_MAGIC(context, KV5M_CONTEXT);
- /* Now default_realm bytes */
- if (context->default_realm)
- (void) krb5_ser_pack_bytes((krb5_octet *)
- context->default_realm,
- strlen(context->default_realm),
- &bp, &remain);
+ if ((kret = krb5_context_size(kcontext, arg, &required)))
+ return (kret);
- /* Now number of initial ticket ktypes */
- (void) krb5_ser_pack_int32((krb5_int32) context->in_tkt_ktype_count,
- &bp, &remain);
+ if (required > remain)
+ return (ENOMEM);
+
+ /* First write our magic number */
+ kret = krb5_ser_pack_int32(KV5M_CONTEXT, &bp, &remain);
+ if (kret)
+ return (kret);
+
+ /* Now sizeof default realm */
+ kret = krb5_ser_pack_int32((context->default_realm) ?
+ (krb5_int32) strlen(context->default_realm) : 0,
+ &bp, &remain);
+ if (kret)
+ return (kret);
+
+ /* Now default_realm bytes */
+ if (context->default_realm) {
+ kret = krb5_ser_pack_bytes((krb5_octet *) context->default_realm,
+ strlen(context->default_realm),
+ &bp, &remain);
+ if (kret)
+ return (kret);
+ }
- /* Now serialize ktypes */
- for (i=0; i<context->in_tkt_ktype_count; i++)
- (void) krb5_ser_pack_int32((krb5_int32) context->in_tkt_ktypes[i],
- &bp, &remain);
- kret = 0;
+ /* Now number of initial ticket ktypes */
+ kret = krb5_ser_pack_int32((krb5_int32) context->in_tkt_ktype_count,
+ &bp, &remain);
+ if (kret)
+ return (kret);
+
+ /* Now serialize ktypes */
+ for (i=0; i<context->in_tkt_ktype_count; i++) {
+ kret = krb5_ser_pack_int32((krb5_int32) context->in_tkt_ktypes[i],
+ &bp, &remain);
+ if (kret)
+ return (kret);
+ }
+
+ /* Now number of default ktypes */
+ kret = krb5_ser_pack_int32((krb5_int32) context->tgs_ktype_count,
+ &bp, &remain);
+ if (kret)
+ return (kret);
+
+ /* Now serialize ktypes */
+ for (i=0; i<context->tgs_ktype_count; i++) {
+ kret = krb5_ser_pack_int32((krb5_int32) context->tgs_ktypes[i],
+ &bp, &remain);
+ if (kret)
+ return (kret);
+ }
+
+ /* Now allowable clockskew */
+ kret = krb5_ser_pack_int32((krb5_int32) context->clockskew,
+ &bp, &remain);
+ if (kret)
+ return (kret);
+
+ /* Now kdc_req_sumtype */
+ kret = krb5_ser_pack_int32((krb5_int32) context->kdc_req_sumtype,
+ &bp, &remain);
+ if (kret)
+ return (kret);
+
+ /* Now default ap_req_sumtype */
+ kret = krb5_ser_pack_int32((krb5_int32) context->default_ap_req_sumtype,
+ &bp, &remain);
+ if (kret)
+ return (kret);
- /* Now number of default ktypes */
- (void) krb5_ser_pack_int32((krb5_int32) context->tgs_ktype_count,
- &bp, &remain);
+ /* Now default safe_sumtype */
+ kret = krb5_ser_pack_int32((krb5_int32) context->default_safe_sumtype,
+ &bp, &remain);
+ if (kret)
+ return (kret);
- /* Now serialize ktypes */
- for (i=0; i<context->tgs_ktype_count; i++)
- (void) krb5_ser_pack_int32((krb5_int32) context->tgs_ktypes[i],
- &bp, &remain);
- kret = 0;
+ /* Now kdc_default_options */
+ kret = krb5_ser_pack_int32((krb5_int32) context->kdc_default_options,
+ &bp, &remain);
+ if (kret)
+ return (kret);
- /* Now handle os_context, if appropriate */
- if (context->os_context)
- kret = krb5_externalize_opaque(kcontext,
- KV5M_OS_CONTEXT,
- (krb5_pointer)
- context->os_context,
- &bp,
- &remain);
-
- /* Now handle database context, if appropriate */
- if (!kret && context->db_context)
- kret = krb5_externalize_opaque(kcontext,
- KV5M_DB_CONTEXT,
- (krb5_pointer)
- context->db_context,
- &bp,
- &remain);
-
- /* Finally, handle profile, if appropriate */
- if (!kret && context->profile)
- kret = krb5_externalize_opaque(kcontext,
- PROF_MAGIC_PROFILE,
- (krb5_pointer)
- context->profile,
- &bp,
- &remain);
- /*
- * If we were successful, write trailer then update the pointer and
- * remaining length;
- */
- if (!kret) {
- /* Write our trailer */
- (void) krb5_ser_pack_int32(KV5M_CONTEXT, &bp, &remain);
- *buffer = bp;
- *lenremain = remain;
- }
- }
+ /* Now library_options */
+ kret = krb5_ser_pack_int32((krb5_int32) context->library_options,
+ &bp, &remain);
+ if (kret)
+ return (kret);
+
+ /* Now profile_secure */
+ kret = krb5_ser_pack_int32((krb5_int32) context->profile_secure,
+ &bp, &remain);
+ if (kret)
+ return (kret);
+
+ /* Now fcc_default_format */
+ kret = krb5_ser_pack_int32((krb5_int32) context->fcc_default_format,
+ &bp, &remain);
+ if (kret)
+ return (kret);
+
+ /* Now scc_default_format */
+ kret = krb5_ser_pack_int32((krb5_int32) context->scc_default_format,
+ &bp, &remain);
+ if (kret)
+ return (kret);
+
+ /* Now handle os_context, if appropriate */
+ if (context->os_context) {
+ kret = krb5_externalize_opaque(kcontext, KV5M_OS_CONTEXT,
+ (krb5_pointer) context->os_context,
+ &bp, &remain);
+ if (kret)
+ return (kret);
}
- return(kret);
+
+ /* Now handle database context, if appropriate */
+ if (context->db_context) {
+ kret = krb5_externalize_opaque(kcontext, KV5M_DB_CONTEXT,
+ (krb5_pointer) context->db_context,
+ &bp, &remain);
+ if (kret)
+ return (kret);
+ }
+
+ /* Finally, handle profile, if appropriate */
+ if (context->profile) {
+ kret = krb5_externalize_opaque(kcontext, PROF_MAGIC_PROFILE,
+ (krb5_pointer) context->profile,
+ &bp, &remain);
+ if (kret)
+ return (kret);
+ }
+
+ /*
+ * If we were successful, write trailer then update the pointer and
+ * remaining length;
+ */
+ kret = krb5_ser_pack_int32(KV5M_CONTEXT, &bp, &remain);
+ if (kret)
+ return (kret);
+
+ *buffer = bp;
+ *lenremain = remain;
+
+ return (0);
}
\f
/*
bp = *buffer;
remain = *lenremain;
- kret = EINVAL;
+
/* Read our magic number */
- if (krb5_ser_unpack_int32(&ibuf, &bp, &remain))
- ibuf = 0;
- if (ibuf == KV5M_CONTEXT) {
- kret = ENOMEM;
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ return (EINVAL);
- /* Get memory for the context */
- if (!(kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)) &&
- (context = (krb5_context) malloc(sizeof(struct _krb5_context)))) {
- memset(context, 0, sizeof(struct _krb5_context));
-
- if (!ibuf ||
- (context->default_realm = (char *) malloc((size_t) ibuf+1))) {
- /* Copy in the default realm */
- if (ibuf) {
- (void) krb5_ser_unpack_bytes((krb5_octet *)
- context->default_realm,
- (size_t) ibuf,
- &bp, &remain);
- context->default_realm[ibuf] = '\0';
- }
-
- /* Get the number of in_tkt_ktypes */
- if (!(kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain))) {
- /* Reduce it to a count */
- context->in_tkt_ktype_count = (int) ibuf;
- if ((context->in_tkt_ktypes = (krb5_enctype *)
- malloc(sizeof(krb5_enctype) *
- (context->in_tkt_ktype_count+1)))) {
- memset(context->in_tkt_ktypes,
- 0,
- sizeof(krb5_enctype) *
- (context->in_tkt_ktype_count + 1));
- for (i=0; i<context->in_tkt_ktype_count; i++) {
- if ((kret = krb5_ser_unpack_int32(&ibuf,
- &bp, &remain)))
- break;
- context->in_tkt_ktypes[i] = (krb5_enctype) ibuf;
- }
- }
- }
-
- /* Get the number of tgs_ktypes */
- if (!(kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain))) {
- /* Reduce it to a count */
- context->tgs_ktype_count = (int) ibuf;
- if ((context->tgs_ktypes = (krb5_enctype *)
- malloc(sizeof(krb5_enctype) *
- (context->tgs_ktype_count+1)))) {
- memset(context->tgs_ktypes,
- 0,
- sizeof(krb5_enctype) *
- (context->tgs_ktype_count + 1));
- for (i=0; i<context->tgs_ktype_count; i++) {
- if ((kret = krb5_ser_unpack_int32(&ibuf,
- &bp, &remain)))
- break;
- context->tgs_ktypes[i] = (krb5_enctype) ibuf;
- }
- }
- }
-
- /* Attempt to read in the os_context */
- if (!kret) {
- kret = krb5_internalize_opaque(kcontext,
- KV5M_OS_CONTEXT,
- (krb5_pointer *)
- &context->os_context,
- &bp,
- &remain);
- if ((kret == EINVAL) || (kret == ENOENT))
- kret = 0;
- }
-
- /* Attempt to read in the db_context */
- if (!kret) {
- kret = krb5_internalize_opaque(kcontext,
- KV5M_DB_CONTEXT,
- (krb5_pointer *)
- &context->db_context,
- &bp,
- &remain);
- if ((kret == EINVAL) || (kret == ENOENT))
- kret = 0;
- }
-
- /* Attempt to read in the profile */
- if (!kret) {
- kret = krb5_internalize_opaque(kcontext,
- PROF_MAGIC_PROFILE,
- (krb5_pointer *)
- &context->profile,
- &bp,
- &remain);
- if ((kret == EINVAL) || (kret == ENOENT))
- kret = 0;
- }
-
- /* Finally, find the trailer */
- if (!kret) {
- kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain);
- if (!kret && (ibuf == KV5M_CONTEXT))
- context->magic = KV5M_CONTEXT;
- else
- kret = EINVAL;
- }
- }
- if (!kret) {
- *buffer = bp;
- *lenremain = remain;
- *argp = (krb5_pointer) context;
- }
- else
- krb5_free_context(context);
+ if (ibuf != KV5M_CONTEXT)
+ return (EINVAL);
+
+ /* Get memory for the context */
+ context = (krb5_context) malloc(sizeof(struct _krb5_context));
+ if (!context)
+ return (ENOMEM);
+ memset(context, 0, sizeof(struct _krb5_context));
+
+ /* Get the size of the default realm */
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+
+ if (ibuf) {
+ context->default_realm = (char *) malloc((size_t) ibuf+1);
+ if (!context->default_realm) {
+ kret = ENOMEM;
+ goto cleanup;
}
+
+ kret = krb5_ser_unpack_bytes((krb5_octet *) context->default_realm,
+ (size_t) ibuf, &bp, &remain);
+ if (kret)
+ goto cleanup;
+
+ context->default_realm[ibuf] = '\0';
+ }
+
+ /* Get the number of in_tkt_ktypes */
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+
+ context->in_tkt_ktype_count = (int) ibuf;
+ context->in_tkt_ktypes = (krb5_enctype *) malloc(sizeof(krb5_enctype) *
+ (context->in_tkt_ktype_count+1));
+ if (!context->in_tkt_ktypes) {
+ kret = ENOMEM;
+ goto cleanup;
+ }
+ memset(context->in_tkt_ktypes, 0, (sizeof(krb5_enctype) *
+ (context->in_tkt_ktype_count + 1)));
+
+ for (i=0; i<context->in_tkt_ktype_count; i++) {
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+ context->in_tkt_ktypes[i] = (krb5_enctype) ibuf;
}
+
+ /* Get the number of tgs_ktypes */
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+
+ context->tgs_ktype_count = (int) ibuf;
+ context->tgs_ktypes = (krb5_enctype *) malloc(sizeof(krb5_enctype) *
+ (context->tgs_ktype_count+1));
+ if (!context->tgs_ktypes) {
+ kret = ENOMEM;
+ goto cleanup;
+ }
+ memset(context->tgs_ktypes, 0, (sizeof(krb5_enctype) *
+ (context->tgs_ktype_count + 1)));
+ for (i=0; i<context->tgs_ktype_count; i++) {
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+ context->tgs_ktypes[i] = (krb5_enctype) ibuf;
+ }
+
+ /* Allowable checksum */
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+ context->clockskew = (krb5_deltat) ibuf;
+
+ /* kdc_req_sumtype */
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+ context->kdc_req_sumtype = (krb5_cksumtype) ibuf;
+
+ /* default ap_req_sumtype */
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+ context->default_ap_req_sumtype = (krb5_cksumtype) ibuf;
+
+ /* default_safe_sumtype */
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+ context->default_safe_sumtype = (krb5_cksumtype) ibuf;
+
+ /* kdc_default_options */
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+ context->kdc_default_options = (krb5_flags) ibuf;
+
+ /* library_options */
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+ context->library_options = (krb5_flags) ibuf;
+
+ /* profile_secure */
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+ context->profile_secure = (krb5_boolean) ibuf;
+
+ /* fcc_default_format */
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+ context->fcc_default_format = (int) ibuf;
+
+ /* scc_default_format */
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+ context->scc_default_format = (int) ibuf;
+
+ /* Attempt to read in the os_context */
+ kret = krb5_internalize_opaque(kcontext, KV5M_OS_CONTEXT,
+ (krb5_pointer *) &context->os_context,
+ &bp, &remain);
+ if (kret && (kret != EINVAL) && (kret != ENOENT))
+ goto cleanup;
+
+ /* Attempt to read in the db_context */
+ kret = krb5_internalize_opaque(kcontext, KV5M_DB_CONTEXT,
+ (krb5_pointer *) &context->db_context,
+ &bp, &remain);
+ if (kret && (kret != EINVAL) && (kret != ENOENT))
+ goto cleanup;
+
+ /* Attempt to read in the profile */
+ kret = krb5_internalize_opaque(kcontext, PROF_MAGIC_PROFILE,
+ (krb5_pointer *) &context->profile,
+ &bp, &remain);
+ if (kret && (kret != EINVAL) && (kret != ENOENT))
+ goto cleanup;
+
+ /* Finally, find the trailer */
+ if ((kret = krb5_ser_unpack_int32(&ibuf, &bp, &remain)))
+ goto cleanup;
+
+ if (ibuf != KV5M_CONTEXT) {
+ kret = EINVAL;
+ goto cleanup;
+ }
+
+ context->magic = KV5M_CONTEXT;
+ *buffer = bp;
+ *lenremain = remain;
+ *argp = (krb5_pointer) context;
+
+ return 0;
+
+cleanup:
+ if (context)
+ krb5_free_context(context);
return(kret);
}
\f
projects / krb5.git / commitdiff