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Diffstat (limited to 'secure/lib/libcrypto/man/OPENSSL_config.3')
| -rw-r--r-- | secure/lib/libcrypto/man/OPENSSL_config.3 | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/secure/lib/libcrypto/man/OPENSSL_config.3 b/secure/lib/libcrypto/man/OPENSSL_config.3 new file mode 100644 index 0000000..aff0360 --- /dev/null +++ b/secure/lib/libcrypto/man/OPENSSL_config.3 @@ -0,0 +1,195 @@ +.\" Automatically generated by Pod::Man 2.28 (Pod::Simple 3.30) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. \*(C+ will +.\" give a nicer C++. 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Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +OPENSSL_config, OPENSSL_no_config \- simple OpenSSL configuration functions +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +.Vb 1 +\& #include <openssl/conf.h> +\& +\& void OPENSSL_config(const char *config_name); +\& void OPENSSL_no_config(void); +.Ve +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +\&\fIOPENSSL_config()\fR configures OpenSSL using the standard \fBopenssl.cnf\fR +configuration file name using \fBconfig_name\fR. If \fBconfig_name\fR is \s-1NULL\s0 then +the file specified in the environment variable \fB\s-1OPENSSL_CONF\s0\fR will be used, +and if that is not set then a system default location is used. +Errors are silently ignored. +Multiple calls have no effect. +.PP +\&\fIOPENSSL_no_config()\fR disables configuration. If called before \fIOPENSSL_config()\fR +no configuration takes place. +.SH "NOTES" +.IX Header "NOTES" +The \fIOPENSSL_config()\fR function is designed to be a very simple \*(L"call it and +forget it\*(R" function. +It is however \fBmuch\fR better than nothing. Applications which need finer +control over their configuration functionality should use the configuration +functions such as \fICONF_modules_load()\fR directly. This function is deprecated +and its use should be avoided. +Applications should instead call \fICONF_modules_load()\fR during +initialization (that is before starting any threads). +.PP +There are several reasons why calling the OpenSSL configuration routines is +advisable. For example new \s-1ENGINE\s0 functionality was added to OpenSSL 0.9.7. +In OpenSSL 0.9.7 control functions can be supported by ENGINEs, this can be +used (among other things) to load dynamic ENGINEs from shared libraries (DSOs). +However very few applications currently support the control interface and so +very few can load and use dynamic ENGINEs. Equally in future more sophisticated +ENGINEs will require certain control operations to customize them. If an +application calls \fIOPENSSL_config()\fR it doesn't need to know or care about +\&\s-1ENGINE\s0 control operations because they can be performed by editing a +configuration file. +.PP +Applications should free up configuration at application closedown by calling +\&\fICONF_modules_free()\fR. +.SH "RETURN VALUES" +.IX Header "RETURN VALUES" +Neither \fIOPENSSL_config()\fR nor \fIOPENSSL_no_config()\fR return a value. +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fIconf\fR\|(5), \fICONF_load_modules_file\fR\|(3), +\&\fICONF_modules_free\fR\|(3) +.SH "HISTORY" +.IX Header "HISTORY" +\&\fIOPENSSL_config()\fR and \fIOPENSSL_no_config()\fR first appeared in OpenSSL 0.9.7 |
