diff options
Diffstat (limited to 'crypto/heimdal/lib/krb5/keytab.c')
| -rw-r--r-- | crypto/heimdal/lib/krb5/keytab.c | 78 |
1 files changed, 65 insertions, 13 deletions
diff --git a/crypto/heimdal/lib/krb5/keytab.c b/crypto/heimdal/lib/krb5/keytab.c index 36ef2f5..bde443a 100644 --- a/crypto/heimdal/lib/krb5/keytab.c +++ b/crypto/heimdal/lib/krb5/keytab.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan + * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * @@ -33,7 +33,7 @@ #include "krb5_locl.h" -RCSID("$Id: keytab.c,v 1.46 2000/02/07 03:18:05 assar Exp $"); +RCSID("$Id: keytab.c,v 1.50 2001/05/14 06:14:48 assar Exp $"); /* * Register a new keytab in `ops' @@ -48,8 +48,10 @@ krb5_kt_register(krb5_context context, tmp = realloc(context->kt_types, (context->num_kt_types + 1) * sizeof(*context->kt_types)); - if(tmp == NULL) + if(tmp == NULL) { + krb5_set_error_string(context, "malloc: out of memory"); return ENOMEM; + } memcpy(&tmp[context->num_kt_types], ops, sizeof(tmp[context->num_kt_types])); context->kt_types = tmp; @@ -89,12 +91,17 @@ krb5_kt_resolve(krb5_context context, if(strncmp(type, context->kt_types[i].prefix, type_len) == 0) break; } - if(i == context->num_kt_types) + if(i == context->num_kt_types) { + krb5_set_error_string(context, "unknown keytab type %.*s", + (int)type_len, type); return KRB5_KT_UNKNOWN_TYPE; + } k = malloc (sizeof(*k)); - if (k == NULL) + if (k == NULL) { + krb5_set_error_string(context, "malloc: out of memory"); return ENOMEM; + } memcpy(k, &context->kt_types[i], sizeof(*k)); k->data = NULL; ret = (*k->resolve)(context, residual, k); @@ -114,8 +121,25 @@ krb5_kt_resolve(krb5_context context, krb5_error_code krb5_kt_default_name(krb5_context context, char *name, size_t namesize) { - if (strlcpy (name, context->default_keytab, namesize) >= namesize) + if (strlcpy (name, context->default_keytab, namesize) >= namesize) { + krb5_clear_error_string (context); return KRB5_CONFIG_NOTENUFSPACE; + } + return 0; +} + +/* + * copy the name of the default modify keytab into `name'. + * Return 0 or KRB5_CONFIG_NOTENUFSPACE if `namesize' is too short. + */ + +krb5_error_code +krb5_kt_default_modify_name(krb5_context context, char *name, size_t namesize) +{ + if (strlcpy (name, context->default_keytab_modify, namesize) >= namesize) { + krb5_clear_error_string (context); + return KRB5_CONFIG_NOTENUFSPACE; + } return 0; } @@ -261,10 +285,19 @@ krb5_kt_get_entry(krb5_context context, krb5_kt_free_entry(context, &tmp); } krb5_kt_end_seq_get (context, id, &cursor); - if (entry->vno) + if (entry->vno) { return 0; - else + } else { + char princ[256], kt_name[256]; + + krb5_unparse_name_fixed (context, principal, princ, sizeof(princ)); + krb5_kt_get_name (context, id, kt_name, sizeof(kt_name)); + + krb5_set_error_string (context, + "failed to find %s in keytab %s", + princ, kt_name); return KRB5_KT_NOTFOUND; + } } /* @@ -339,8 +372,12 @@ krb5_kt_start_seq_get(krb5_context context, krb5_keytab id, krb5_kt_cursor *cursor) { - if(id->start_seq_get == NULL) + if(id->start_seq_get == NULL) { + krb5_set_error_string(context, + "start_seq_get is not supported in the %s " + " keytab", id->prefix); return HEIM_ERR_OPNOTSUPP; + } return (*id->start_seq_get)(context, id, cursor); } @@ -356,8 +393,12 @@ krb5_kt_next_entry(krb5_context context, krb5_keytab_entry *entry, krb5_kt_cursor *cursor) { - if(id->next_entry == NULL) + if(id->next_entry == NULL) { + krb5_set_error_string(context, + "next_entry is not supported in the %s " + " keytab", id->prefix); return HEIM_ERR_OPNOTSUPP; + } return (*id->next_entry)(context, id, entry, cursor); } @@ -370,8 +411,12 @@ krb5_kt_end_seq_get(krb5_context context, krb5_keytab id, krb5_kt_cursor *cursor) { - if(id->end_seq_get == NULL) + if(id->end_seq_get == NULL) { + krb5_set_error_string(context, + "end_seq_get is not supported in the %s " + " keytab", id->prefix); return HEIM_ERR_OPNOTSUPP; + } return (*id->end_seq_get)(context, id, cursor); } @@ -385,8 +430,11 @@ krb5_kt_add_entry(krb5_context context, krb5_keytab id, krb5_keytab_entry *entry) { - if(id->add == NULL) + if(id->add == NULL) { + krb5_set_error_string(context, "Add is not supported in the %s keytab", + id->prefix); return KRB5_KT_NOWRITE; + } entry->timestamp = time(NULL); return (*id->add)(context, id,entry); } @@ -401,7 +449,11 @@ krb5_kt_remove_entry(krb5_context context, krb5_keytab id, krb5_keytab_entry *entry) { - if(id->remove == NULL) + if(id->remove == NULL) { + krb5_set_error_string(context, + "Remove is not supported in the %s keytab", + id->prefix); return KRB5_KT_NOWRITE; + } return (*id->remove)(context, id, entry); } |
