ossl_store.7
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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" ossl_store \- Store retrieval functions .SH "SYNOPSIS" .IX Header "SYNOPSIS" #include <openssl/store.h> .SH "DESCRIPTION" .IX Header "DESCRIPTION" .SS "General" .IX Subsection "General" A \s-1STORE\s0 is a layer of functionality to retrieve a number of supported objects from a repository of any kind, addressable as a filename or as a \s-1URI.\s0 .PP The functionality supports the pattern \*(L"open a channel to the repository\*(R", \*(L"loop and retrieve one object at a time\*(R", and \*(L"finish up by closing the channel\*(R". .PP The retrieved objects are returned as a wrapper type \fB\s-1OSSL_STORE_INFO\s0\fR, from which an OpenSSL type can be retrieved. .SS "\s-1URI\s0 schemes and loaders" .IX Subsection "URI schemes and loaders" Support for a \s-1URI\s0 scheme is called a \s-1STORE\s0 \*(L"loader\*(R", and can be added dynamically from the calling application or from a loadable engine. .PP Support for the 'file' scheme is built into \f(CW\*(C`libcrypto\*(C'\fR. See \fBossl_store\-file\fR\|(7) for more information. .SS "\s-1UI_METHOD\s0 and pass phrases" .IX Subsection "UI_METHOD and pass phrases" The \fB\s-1OSS_STORE\s0\fR \s-1API\s0 does nothing to enforce any specific format or encoding on the pass phrase that the \fB\s-1UI_METHOD\s0\fR provides. However, the pass phrase is expected to be \s-1UTF\-8\s0 encoded. The result of any other encoding is undefined. .SH "EXAMPLES" .IX Header "EXAMPLES" .SS "A generic call" .IX Subsection "A generic call" .Vb 1 \& OSSL_STORE_CTX *ctx = OSSL_STORE_open("file:/foo/bar/data.pem"); \& \& /* \& * OSSL_STORE_eof() simulates file semantics for any repository to signal \& * that no more data can be expected \& */ \& while (!OSSL_STORE_eof(ctx)) { \& OSSL_STORE_INFO *info = OSSL_STORE_load(ctx); \& \& /* \& * Do whatever is necessary with the OSSL_STORE_INFO, \& * here just one example \& */ \& switch (OSSL_STORE_INFO_get_type(info)) { \& case OSSL_STORE_INFO_CERT: \& /* Print the X.509 certificate text */ \& X509_print_fp(stdout, OSSL_STORE_INFO_get0_CERT(info)); \& /* Print the X.509 certificate PEM output */ \& PEM_write_X509(stdout, OSSL_STORE_INFO_get0_CERT(info)); \& break; \& } \& } \& \& OSSL_STORE_close(ctx); .Ve .SH "SEE ALSO" .IX Header "SEE ALSO" \&\s-1\fBOSSL_STORE_INFO\s0\fR\|(3), \s-1\fBOSSL_STORE_LOADER\s0\fR\|(3), \&\fBOSSL_STORE_open\fR\|(3), \fBOSSL_STORE_expect\fR\|(3), \&\s-1\fBOSSL_STORE_SEARCH\s0\fR\|(3) .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2016\-2021 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.
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