181 lines
5.2 KiB
Groff
181 lines
5.2 KiB
Groff
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.\" ========================================================================
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.\"
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.IX Title "SSL_load_client_CA_file 3"
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.TH SSL_load_client_CA_file 3 "2014-08-06" "1.0.1i" "OpenSSL"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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.nh
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.SH "NAME"
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SSL_load_client_CA_file \- load certificate names from file
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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.Vb 1
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\& #include <openssl/ssl.h>
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\&
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\& STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
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.Ve
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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\&\fISSL_load_client_CA_file()\fR reads certificates from \fBfile\fR and returns
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a \s-1STACK_OF\s0(X509_NAME) with the subject names found.
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.SH "NOTES"
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.IX Header "NOTES"
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\&\fISSL_load_client_CA_file()\fR reads a file of \s-1PEM\s0 formatted certificates and
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extracts the X509_NAMES of the certificates found. While the name suggests
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the specific usage as support function for
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\&\fISSL_CTX_set_client_CA_list\fR\|(3),
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it is not limited to \s-1CA\s0 certificates.
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.SH "EXAMPLES"
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.IX Header "EXAMPLES"
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Load names of CAs from file and use it as a client \s-1CA\s0 list:
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.PP
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.Vb 2
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\& SSL_CTX *ctx;
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\& STACK_OF(X509_NAME) *cert_names;
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\&
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\& ...
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\& cert_names = SSL_load_client_CA_file("/path/to/CAfile.pem");
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\& if (cert_names != NULL)
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\& SSL_CTX_set_client_CA_list(ctx, cert_names);
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\& else
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\& error_handling();
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\& ...
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.Ve
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.SH "RETURN VALUES"
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.IX Header "RETURN VALUES"
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The following return values can occur:
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.IP "\s-1NULL\s0" 4
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.IX Item "NULL"
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The operation failed, check out the error stack for the reason.
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.IP "Pointer to \s-1STACK_OF\s0(X509_NAME)" 4
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.IX Item "Pointer to STACK_OF(X509_NAME)"
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Pointer to the subject names of the successfully read certificates.
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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\&\fIssl\fR\|(3),
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\&\fISSL_CTX_set_client_CA_list\fR\|(3)
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