diff options
Diffstat (limited to 'third_party/heimdal/lib/krb5/sock_principal.c')
| -rw-r--r-- | third_party/heimdal/lib/krb5/sock_principal.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/krb5/sock_principal.c b/third_party/heimdal/lib/krb5/sock_principal.c new file mode 100644 index 00000000000..a43546de340 --- /dev/null +++ b/third_party/heimdal/lib/krb5/sock_principal.c @@ -0,0 +1,68 @@ +/* + * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5_locl.h" + +KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL +krb5_sock_to_principal (krb5_context context, + int sock, + const char *sname, + int32_t type, + krb5_principal *ret_princ) +{ + krb5_error_code ret; + struct sockaddr_storage __ss; + struct sockaddr *sa = (struct sockaddr *)&__ss; + socklen_t salen = sizeof(__ss); + char hostname[NI_MAXHOST]; + + if (getsockname (sock, sa, &salen) < 0) { + ret = errno; + krb5_set_error_message (context, ret, "getsockname: %s", strerror(ret)); + return ret; + } + ret = getnameinfo (sa, salen, hostname, sizeof(hostname), NULL, 0, 0); + if (ret) { + int save_errno = errno; + krb5_error_code ret2 = krb5_eai_to_heim_errno(ret, save_errno); + krb5_set_error_message (context, ret2, "getnameinfo: %s", gai_strerror(ret)); + return ret2; + } + + ret = krb5_sname_to_principal (context, + hostname, + sname, + type, + ret_princ); + return ret; +} |