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d84f5515fa
We don't want to hold a read lock when calling a user supplied callback. That callback could do anything so the risk of a deadlock is high. Instead we collect all the names first inside the read lock, and then subsequently call the user callback outside the read lock. Fixes #14225 Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Paul Dale <pauli@openssl.org> (Merged from https://github.com/openssl/openssl/pull/14250)
44 lines
1.7 KiB
C
44 lines
1.7 KiB
C
/*
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* Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include "internal/cryptlib.h"
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typedef struct ossl_namemap_st OSSL_NAMEMAP;
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OSSL_NAMEMAP *ossl_namemap_stored(OSSL_LIB_CTX *libctx);
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OSSL_NAMEMAP *ossl_namemap_new(void);
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void ossl_namemap_free(OSSL_NAMEMAP *namemap);
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int ossl_namemap_empty(OSSL_NAMEMAP *namemap);
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int ossl_namemap_add_name(OSSL_NAMEMAP *namemap, int number, const char *name);
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int ossl_namemap_add_name_n(OSSL_NAMEMAP *namemap, int number,
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const char *name, size_t name_len);
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/*
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* The number<->name relationship is 1<->many
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* Therefore, the name->number mapping is a simple function, while the
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* number->name mapping is an iterator.
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*/
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int ossl_namemap_name2num(const OSSL_NAMEMAP *namemap, const char *name);
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int ossl_namemap_name2num_n(const OSSL_NAMEMAP *namemap,
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const char *name, size_t name_len);
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const char *ossl_namemap_num2name(const OSSL_NAMEMAP *namemap, int number,
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size_t idx);
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int ossl_namemap_doall_names(const OSSL_NAMEMAP *namemap, int number,
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void (*fn)(const char *name, void *data),
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void *data);
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/*
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* A utility that handles several names in a string, divided by a given
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* separator.
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*/
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int ossl_namemap_add_names(OSSL_NAMEMAP *namemap, int number,
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const char *names, const char separator);
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