/*
- * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2019-2023 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* https://www.openssl.org/source/license.html
*/
-#include "internal/e_os.h" /* strcasecmp */
#include "internal/namemap.h"
#include <openssl/lhash.h>
#include "crypto/lhash.h" /* ossl_lh_strcasehash */
int number;
} NAMENUM_ENTRY;
-DEFINE_LHASH_OF(NAMENUM_ENTRY);
+DEFINE_LHASH_OF_EX(NAMENUM_ENTRY);
/*-
* The namemap itself
static int namenum_cmp(const NAMENUM_ENTRY *a, const NAMENUM_ENTRY *b)
{
- return strcasecmp(a->name, b->name);
+ return OPENSSL_strcasecmp(a->name, b->name);
}
static void namenum_free(NAMENUM_ENTRY *n)
cbdata.number = number;
cbdata.found = 0;
+ if (namemap == NULL)
+ return 0;
+
/*
* We collect all the names first under a read lock. Subsequently we call
* the user function, so that we're not holding the read lock when in user
return 1;
}
-static int namemap_name2num_n(const OSSL_NAMEMAP *namemap,
- const char *name, size_t name_len)
+/* This function is not thread safe, the namemap must be locked */
+static int namemap_name2num(const OSSL_NAMEMAP *namemap,
+ const char *name)
{
NAMENUM_ENTRY *namenum_entry, namenum_tmpl;
- if ((namenum_tmpl.name = OPENSSL_strndup(name, name_len)) == NULL)
- return 0;
+ namenum_tmpl.name = (char *)name;
namenum_tmpl.number = 0;
namenum_entry =
lh_NAMENUM_ENTRY_retrieve(namemap->namenum, &namenum_tmpl);
- OPENSSL_free(namenum_tmpl.name);
return namenum_entry != NULL ? namenum_entry->number : 0;
}
-int ossl_namemap_name2num_n(const OSSL_NAMEMAP *namemap,
- const char *name, size_t name_len)
+int ossl_namemap_name2num(const OSSL_NAMEMAP *namemap, const char *name)
{
int number;
if (!CRYPTO_THREAD_read_lock(namemap->lock))
return 0;
- number = namemap_name2num_n(namemap, name, name_len);
+ number = namemap_name2num(namemap, name);
CRYPTO_THREAD_unlock(namemap->lock);
return number;
}
-int ossl_namemap_name2num(const OSSL_NAMEMAP *namemap, const char *name)
+int ossl_namemap_name2num_n(const OSSL_NAMEMAP *namemap,
+ const char *name, size_t name_len)
{
- if (name == NULL)
+ char *tmp;
+ int ret;
+
+ if (name == NULL || (tmp = OPENSSL_strndup(name, name_len)) == NULL)
return 0;
- return ossl_namemap_name2num_n(namemap, name, strlen(name));
+ ret = ossl_namemap_name2num(namemap, tmp);
+ OPENSSL_free(tmp);
+ return ret;
}
struct num2name_data_st {
return data.name;
}
-static int namemap_add_name_n(OSSL_NAMEMAP *namemap, int number,
- const char *name, size_t name_len)
+/* This function is not thread safe, the namemap must be locked */
+static int namemap_add_name(OSSL_NAMEMAP *namemap, int number,
+ const char *name)
{
NAMENUM_ENTRY *namenum = NULL;
int tmp_number;
/* If it already exists, we don't add it */
- if ((tmp_number = namemap_name2num_n(namemap, name, name_len)) != 0)
+ if ((tmp_number = namemap_name2num(namemap, name)) != 0)
return tmp_number;
- if ((namenum = OPENSSL_zalloc(sizeof(*namenum))) == NULL
- || (namenum->name = OPENSSL_strndup(name, name_len)) == NULL)
+ if ((namenum = OPENSSL_zalloc(sizeof(*namenum))) == NULL)
+ return 0;
+
+ if ((namenum->name = OPENSSL_strdup(name)) == NULL)
goto err;
/* The tsan_counter use here is safe since we're under lock */
return 0;
}
-int ossl_namemap_add_name_n(OSSL_NAMEMAP *namemap, int number,
- const char *name, size_t name_len)
+int ossl_namemap_add_name(OSSL_NAMEMAP *namemap, int number,
+ const char *name)
{
int tmp_number;
namemap = ossl_namemap_stored(NULL);
#endif
- if (name == NULL || name_len == 0 || namemap == NULL)
+ if (name == NULL || *name == 0 || namemap == NULL)
return 0;
if (!CRYPTO_THREAD_write_lock(namemap->lock))
return 0;
- tmp_number = namemap_add_name_n(namemap, number, name, name_len);
+ tmp_number = namemap_add_name(namemap, number, name);
CRYPTO_THREAD_unlock(namemap->lock);
return tmp_number;
}
-int ossl_namemap_add_name(OSSL_NAMEMAP *namemap, int number, const char *name)
-{
- if (name == NULL)
- return 0;
-
- return ossl_namemap_add_name_n(namemap, number, name, strlen(name));
-}
-
int ossl_namemap_add_names(OSSL_NAMEMAP *namemap, int number,
const char *names, const char separator)
{
- const char *p, *q;
- size_t l;
+ char *tmp, *p, *q, *endp;
/* Check that we have a namemap */
if (!ossl_assert(namemap != NULL)) {
return 0;
}
- if (!CRYPTO_THREAD_write_lock(namemap->lock))
+ if ((tmp = OPENSSL_strdup(names)) == NULL)
+ return 0;
+
+ if (!CRYPTO_THREAD_write_lock(namemap->lock)) {
+ OPENSSL_free(tmp);
return 0;
+ }
/*
* Check that no name is an empty string, and that all names have at
* most one numeric identity together.
*/
- for (p = names; *p != '\0'; p = (q == NULL ? p + l : q + 1)) {
+ for (p = tmp; *p != '\0'; p = q) {
int this_number;
+ size_t l;
- if ((q = strchr(p, separator)) == NULL)
+ if ((q = strchr(p, separator)) == NULL) {
l = strlen(p); /* offset to \0 */
- else
+ q = p + l;
+ } else {
l = q - p; /* offset to the next separator */
+ *q++ = '\0';
+ }
- this_number = namemap_name2num_n(namemap, p, l);
-
- if (*p == '\0' || *p == separator) {
+ if (*p == '\0') {
ERR_raise(ERR_LIB_CRYPTO, CRYPTO_R_BAD_ALGORITHM_NAME);
- goto err;
+ number = 0;
+ goto end;
}
+
+ this_number = namemap_name2num(namemap, p);
+
if (number == 0) {
number = this_number;
} else if (this_number != 0 && this_number != number) {
ERR_raise_data(ERR_LIB_CRYPTO, CRYPTO_R_CONFLICTING_NAMES,
- "\"%.*s\" has an existing different identity %d (from \"%s\")",
- l, p, this_number, names);
- goto err;
+ "\"%s\" has an existing different identity %d (from \"%s\")",
+ p, this_number, names);
+ number = 0;
+ goto end;
}
}
+ endp = p;
/* Now that we have checked, register all names */
- for (p = names; *p != '\0'; p = (q == NULL ? p + l : q + 1)) {
+ for (p = tmp; p < endp; p = q) {
int this_number;
- if ((q = strchr(p, separator)) == NULL)
- l = strlen(p); /* offset to \0 */
- else
- l = q - p; /* offset to the next separator */
+ q = p + strlen(p) + 1;
- this_number = namemap_add_name_n(namemap, number, p, l);
+ this_number = namemap_add_name(namemap, number, p);
if (number == 0) {
number = this_number;
} else if (this_number != number) {
ERR_raise_data(ERR_LIB_CRYPTO, ERR_R_INTERNAL_ERROR,
"Got number %d when expecting %d",
this_number, number);
- goto err;
+ number = 0;
+ goto end;
}
}
+ end:
CRYPTO_THREAD_unlock(namemap->lock);
+ OPENSSL_free(tmp);
return number;
-
- err:
- CRYPTO_THREAD_unlock(namemap->lock);
- return 0;
}
/*-
projects / openssl.git / blobdiff