Identify Boot from SAN


 
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Operating Systems Solaris Identify Boot from SAN
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Old 09-14-2011
Identify Boot from SAN

How to identify the server is BOOT FROM SAN.
Also how one can find from which device it is booted?

Thanks
Rahul

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Mod Comment Double post, continued here

Last edited by pludi; 09-14-2011 at 09:20 AM..
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gnutls_x509_crt_get_subject_alt_name(3) 			      gnutls				   gnutls_x509_crt_get_subject_alt_name(3)

NAME
gnutls_x509_crt_get_subject_alt_name - Get certificate's alternative name, if any SYNOPSIS
#include <gnutls/x509.h> int gnutls_x509_crt_get_subject_alt_name(gnutls_x509_crt_t cert, unsigned int seq, void * ret, size_t * ret_size, unsigned int * critical); ARGUMENTS
gnutls_x509_crt_t cert should contain a gnutls_x509_crt_t structure unsigned int seq specifies the sequence number of the alt name (0 for the first one, 1 for the second etc.) void * ret is the place where the alternative name will be copied to size_t * ret_size holds the size of ret. unsigned int * critical will be non zero if the extension is marked as critical (may be null) DESCRIPTION
This function will return the alternative names, contained in the given certificate. This is specified in X509v3 Certificate Extensions. GNUTLS will return the Alternative name (2.5.29.17), or a negative error code. When the SAN type is otherName, it will extract the data in the otherName's value field, and GNUTLS_SAN_OTHERNAME is returned. You may use gnutls_x509_crt_get_subject_alt_othername_oid() to get the corresponding OID and the "virtual" SAN types (e.g., GNUTLS_SAN_OTHERNAME_XMPP). If an otherName OID is known, the data will be decoded. Otherwise the returned data will be DER encoded, and you will have to decode it yourself. Currently, only the RFC 3920 id-on-xmppAddr SAN is recognized. RETURNS
the alternative subject name type on success, one of the enumerated gnutls_x509_subject_alt_name_t. It will return GNUTLS_E_SHORT_MEM- ORY_BUFFER if ret_size is not large enough to hold the value. In that case ret_size will be updated with the required size. If the cer- tificate does not have an Alternative name with the specified sequence number then GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE is returned. REPORTING BUGS
Report bugs to <bug-gnutls@gnu.org>. GnuTLS home page: http://www.gnu.org/software/gnutls/ General help using GNU software: http://www.gnu.org/gethelp/ COPYRIGHT
Copyright (C) 2008 Free Software Foundation. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. SEE ALSO
The full documentation for gnutls is maintained as a Texinfo manual. If the info and gnutls programs are properly installed at your site, the command info gnutls should give you access to the complete manual. gnutls 2.8.6 gnutls_x509_crt_get_subject_alt_name(3)