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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/doc/crypto/X509_NAME_print_ex.pod | |
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Diffstat (limited to 'openssl/doc/crypto/X509_NAME_print_ex.pod')
-rw-r--r-- | openssl/doc/crypto/X509_NAME_print_ex.pod | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/openssl/doc/crypto/X509_NAME_print_ex.pod b/openssl/doc/crypto/X509_NAME_print_ex.pod new file mode 100644 index 000000000..2579a5dc9 --- /dev/null +++ b/openssl/doc/crypto/X509_NAME_print_ex.pod @@ -0,0 +1,105 @@ +=pod + +=head1 NAME + +X509_NAME_print_ex, X509_NAME_print_ex_fp, X509_NAME_print, +X509_NAME_oneline - X509_NAME printing routines. + +=head1 SYNOPSIS + + #include <openssl/x509.h> + + int X509_NAME_print_ex(BIO *out, X509_NAME *nm, int indent, unsigned long flags); + int X509_NAME_print_ex_fp(FILE *fp, X509_NAME *nm, int indent, unsigned long flags); + char * X509_NAME_oneline(X509_NAME *a,char *buf,int size); + int X509_NAME_print(BIO *bp, X509_NAME *name, int obase); + +=head1 DESCRIPTION + +X509_NAME_print_ex() prints a human readable version of B<nm> to BIO B<out>. Each +line (for multiline formats) is indented by B<indent> spaces. The output format +can be extensively customised by use of the B<flags> parameter. + +X509_NAME_print_ex_fp() is identical to X509_NAME_print_ex() except the output is +written to FILE pointer B<fp>. + +X509_NAME_oneline() prints an ASCII version of B<a> to B<buf>. At most B<size> +bytes will be written. If B<buf> is B<NULL> then a buffer is dynamically allocated +and returned, otherwise B<buf> is returned. + +X509_NAME_print() prints out B<name> to B<bp> indenting each line by B<obase> +characters. Multiple lines are used if the output (including indent) exceeds +80 characters. + +=head1 NOTES + +The functions X509_NAME_oneline() and X509_NAME_print() are legacy functions which +produce a non standard output form, they don't handle multi character fields and +have various quirks and inconsistencies. Their use is strongly discouraged in new +applications. + +Although there are a large number of possible flags for most purposes +B<XN_FLAG_ONELINE>, B<XN_FLAG_MULTILINE> or B<XN_FLAG_RFC2253> will suffice. +As noted on the L<ASN1_STRING_print_ex(3)|ASN1_STRING_print_ex(3)> manual page +for UTF8 terminals the B<ASN1_STRFLGS_ESC_MSB> should be unset: so for example +B<XN_FLAG_ONELINE & ~ASN1_STRFLGS_ESC_MSB> would be used. + +The complete set of the flags supported by X509_NAME_print_ex() is listed below. + +Several options can be ored together. + +The options B<XN_FLAG_SEP_COMMA_PLUS>, B<XN_FLAG_SEP_CPLUS_SPC>, +B<XN_FLAG_SEP_SPLUS_SPC> and B<XN_FLAG_SEP_MULTILINE> determine the field separators +to use. Two distinct separators are used between distinct RelativeDistinguishedName +components and separate values in the same RDN for a multi-valued RDN. Multi-valued +RDNs are currently very rare so the second separator will hardly ever be used. + +B<XN_FLAG_SEP_COMMA_PLUS> uses comma and plus as separators. B<XN_FLAG_SEP_CPLUS_SPC> +uses comma and plus with spaces: this is more readable that plain comma and plus. +B<XN_FLAG_SEP_SPLUS_SPC> uses spaced semicolon and plus. B<XN_FLAG_SEP_MULTILINE> uses +spaced newline and plus respectively. + +If B<XN_FLAG_DN_REV> is set the whole DN is printed in reversed order. + +The fields B<XN_FLAG_FN_SN>, B<XN_FLAG_FN_LN>, B<XN_FLAG_FN_OID>, +B<XN_FLAG_FN_NONE> determine how a field name is displayed. It will +use the short name (e.g. CN) the long name (e.g. commonName) always +use OID numerical form (normally OIDs are only used if the field name is not +recognised) and no field name respectively. + +If B<XN_FLAG_SPC_EQ> is set then spaces will be placed around the '=' character +separating field names and values. + +If B<XN_FLAG_DUMP_UNKNOWN_FIELDS> is set then the encoding of unknown fields is +printed instead of the values. + +If B<XN_FLAG_FN_ALIGN> is set then field names are padded to 20 characters: this +is only of use for multiline format. + +Additionally all the options supported by ASN1_STRING_print_ex() can be used to +control how each field value is displayed. + +In addition a number options can be set for commonly used formats. + +B<XN_FLAG_RFC2253> sets options which produce an output compatible with RFC2253 it +is equivalent to: + B<ASN1_STRFLGS_RFC2253 | XN_FLAG_SEP_COMMA_PLUS | XN_FLAG_DN_REV | XN_FLAG_FN_SN | XN_FLAG_DUMP_UNKNOWN_FIELDS> + + +B<XN_FLAG_ONELINE> is a more readable one line format which is the same as: + B<ASN1_STRFLGS_RFC2253 | ASN1_STRFLGS_ESC_QUOTE | XN_FLAG_SEP_CPLUS_SPC | XN_FLAG_SPC_EQ | XN_FLAG_FN_SN> + +B<XN_FLAG_MULTILINE> is a multiline format which is the same as: + B<ASN1_STRFLGS_ESC_CTRL | ASN1_STRFLGS_ESC_MSB | XN_FLAG_SEP_MULTILINE | XN_FLAG_SPC_EQ | XN_FLAG_FN_LN | XN_FLAG_FN_ALIGN> + +B<XN_FLAG_COMPAT> uses a format identical to X509_NAME_print(): in fact it calls X509_NAME_print() internally. + +=head1 SEE ALSO + +L<ASN1_STRING_print_ex(3)|ASN1_STRING_print_ex(3)> + +=head1 HISTORY + +TBA + +=cut |