1.\" $OpenBSD: X509_get_subject_name.3,v 1.10 2020/10/21 17:17:44 tb Exp $ 2.\" OpenSSL 99d63d46 Oct 26 13:56:48 2016 -0400 3.\" 4.\" This file was written by Dr. Stephen Henson <steve@openssl.org>. 5.\" Copyright (c) 2015 The OpenSSL Project. All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in 16.\" the documentation and/or other materials provided with the 17.\" distribution. 18.\" 19.\" 3. All advertising materials mentioning features or use of this 20.\" software must display the following acknowledgment: 21.\" "This product includes software developed by the OpenSSL Project 22.\" for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 23.\" 24.\" 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 25.\" endorse or promote products derived from this software without 26.\" prior written permission. For written permission, please contact 27.\" openssl-core@openssl.org. 28.\" 29.\" 5. Products derived from this software may not be called "OpenSSL" 30.\" nor may "OpenSSL" appear in their names without prior written 31.\" permission of the OpenSSL Project. 32.\" 33.\" 6. Redistributions of any form whatsoever must retain the following 34.\" acknowledgment: 35.\" "This product includes software developed by the OpenSSL Project 36.\" for use in the OpenSSL Toolkit (http://www.openssl.org/)" 37.\" 38.\" THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 39.\" EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 40.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 41.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 42.\" ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 43.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 44.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 45.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 46.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 47.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 48.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 49.\" OF THE POSSIBILITY OF SUCH DAMAGE. 50.\" 51.Dd $Mdocdate: October 21 2020 $ 52.Dt X509_GET_SUBJECT_NAME 3 53.Os 54.Sh NAME 55.Nm X509_get_subject_name , 56.Nm X509_set_subject_name , 57.Nm X509_get_issuer_name , 58.Nm X509_set_issuer_name , 59.Nm X509_REQ_get_subject_name , 60.Nm X509_REQ_set_subject_name , 61.Nm X509_CRL_get_issuer , 62.Nm X509_CRL_set_issuer_name 63.Nd get and set issuer or subject names 64.Sh SYNOPSIS 65.In openssl/x509.h 66.Ft X509_NAME * 67.Fo X509_get_subject_name 68.Fa "const X509 *x" 69.Fc 70.Ft int 71.Fo X509_set_subject_name 72.Fa "X509 *x" 73.Fa "X509_NAME *name" 74.Fc 75.Ft X509_NAME * 76.Fo X509_get_issuer_name 77.Fa "const X509 *x" 78.Fc 79.Ft int 80.Fo X509_set_issuer_name 81.Fa "X509 *x" 82.Fa "X509_NAME *name" 83.Fc 84.Ft X509_NAME * 85.Fo X509_REQ_get_subject_name 86.Fa "const X509_REQ *req" 87.Fc 88.Ft int 89.Fo X509_REQ_set_subject_name 90.Fa "X509_REQ *req" 91.Fa "X509_NAME *name" 92.Fc 93.Ft X509_NAME * 94.Fo X509_CRL_get_issuer 95.Fa "const X509_CRL *crl" 96.Fc 97.Ft int 98.Fo X509_CRL_set_issuer_name 99.Fa "X509_CRL *x" 100.Fa "X509_NAME *name" 101.Fc 102.Sh DESCRIPTION 103.Fn X509_get_subject_name 104returns the subject name of certificate 105.Fa x . 106The returned value is an internal pointer which must not be freed. 107.Pp 108.Fn X509_set_subject_name 109sets the issuer name of certificate 110.Fa x 111to 112.Fa name . 113The 114.Fa name 115parameter is copied internally and should be freed up when it is no 116longer needed. 117.Pp 118.Fn X509_get_issuer_name 119and 120.Fn X509_set_issuer_name 121are identical to 122.Fn X509_get_subject_name 123and 124.Fn X509_set_subject_name 125except that they get and set the issuer name of 126.Fa x . 127.Pp 128Similarly 129.Fn X509_REQ_get_subject_name , 130.Fn X509_REQ_set_subject_name , 131.Fn X509_CRL_get_issuer , 132and 133.Fn X509_CRL_set_issuer_name 134get or set the subject or issuer names of certificate requests 135of CRLs, respectively. 136.Sh RETURN VALUES 137.Fn X509_get_subject_name , 138.Fn X509_get_issuer_name , 139.Fn X509_REQ_get_subject_name , 140and 141.Fn X509_CRL_get_issuer 142return a pointer to an 143.Vt X509_NAME 144object. 145.Pp 146.Fn X509_set_subject_name , 147.Fn X509_set_issuer_name , 148.Fn X509_REQ_set_subject_name , 149and 150.Fn X509_CRL_set_issuer_name 151return 1 for success or 0 for failure. 152In some cases of failure, the reason can be determined with 153.Xr ERR_get_error 3 . 154.Sh SEE ALSO 155.Xr d2i_X509_NAME 3 , 156.Xr X509_CRL_get0_by_serial 3 , 157.Xr X509_CRL_new 3 , 158.Xr X509_get_pubkey 3 , 159.Xr X509_NAME_add_entry_by_txt 3 , 160.Xr X509_NAME_ENTRY_get_object 3 , 161.Xr X509_NAME_get_index_by_NID 3 , 162.Xr X509_NAME_new 3 , 163.Xr X509_NAME_print_ex 3 , 164.Xr X509_new 3 , 165.Xr X509_REQ_new 3 , 166.Xr X509_sign 3 , 167.Xr X509_verify_cert 3 , 168.Xr X509V3_get_d2i 3 169.Sh HISTORY 170.Fn X509_get_subject_name 171and 172.Fn X509_get_issuer_name 173appeared in SSLeay 0.4 or earlier. 174.Fn X509_set_subject_name , 175.Fn X509_set_issuer_name , 176.Fn X509_REQ_get_subject_name , 177and 178.Fn X509_REQ_set_subject_name 179first appeared in SSLeay 0.6.5. 180These functions have been available since 181.Ox 2.4 . 182.Pp 183.Fn X509_CRL_get_issuer 184first appeared in OpenSSL 0.9.2b and has been available since 185.Ox 2.6 . 186.Pp 187.Fn X509_CRL_set_issuer_name 188first appeared in OpenSSL 0.9.7 and has been available since 189.Ox 3.2 . 190