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apps/lib/app_params.c
- This file was added.
/* | |||||
* Copyright 2019-2020 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 | |||||
* in the file LICENSE in the source distribution or at | |||||
* https://www.openssl.org/source/license.html | |||||
*/ | |||||
#include "apps.h" | |||||
#include "app_params.h" | |||||
static int describe_param_type(char *buf, size_t bufsz, const OSSL_PARAM *param) | |||||
{ | |||||
const char *type_mod = ""; | |||||
const char *type = NULL; | |||||
int show_type_number = 0; | |||||
int printed_len; | |||||
switch (param->data_type) { | |||||
case OSSL_PARAM_UNSIGNED_INTEGER: | |||||
type_mod = "unsigned "; | |||||
/* FALLTHRU */ | |||||
case OSSL_PARAM_INTEGER: | |||||
type = "integer"; | |||||
break; | |||||
case OSSL_PARAM_UTF8_PTR: | |||||
type_mod = "pointer to a "; | |||||
/* FALLTHRU */ | |||||
case OSSL_PARAM_UTF8_STRING: | |||||
type = "UTF8 encoded string"; | |||||
break; | |||||
case OSSL_PARAM_OCTET_PTR: | |||||
type_mod = "pointer to an "; | |||||
/* FALLTHRU */ | |||||
case OSSL_PARAM_OCTET_STRING: | |||||
type = "octet string"; | |||||
break; | |||||
default: | |||||
type = "unknown type"; | |||||
show_type_number = 1; | |||||
break; | |||||
} | |||||
printed_len = BIO_snprintf(buf, bufsz, "%s: ", param->key); | |||||
if (printed_len > 0) { | |||||
buf += printed_len; | |||||
bufsz -= printed_len; | |||||
} | |||||
printed_len = BIO_snprintf(buf, bufsz, "%s%s", type_mod, type); | |||||
if (printed_len > 0) { | |||||
buf += printed_len; | |||||
bufsz -= printed_len; | |||||
} | |||||
if (show_type_number) { | |||||
printed_len = BIO_snprintf(buf, bufsz, " [%d]", param->data_type); | |||||
if (printed_len > 0) { | |||||
buf += printed_len; | |||||
bufsz -= printed_len; | |||||
} | |||||
} | |||||
if (param->data_size == 0) | |||||
printed_len = BIO_snprintf(buf, bufsz, " (arbitrary size)"); | |||||
else | |||||
printed_len = BIO_snprintf(buf, bufsz, " (max %zu bytes large)", | |||||
param->data_size); | |||||
if (printed_len > 0) { | |||||
buf += printed_len; | |||||
bufsz -= printed_len; | |||||
} | |||||
*buf = '\0'; | |||||
return 1; | |||||
} | |||||
int print_param_types(const char *thing, const OSSL_PARAM *pdefs, int indent) | |||||
{ | |||||
if (pdefs == NULL) { | |||||
return 1; | |||||
} else if (pdefs->key == NULL) { | |||||
/* | |||||
* An empty list? This shouldn't happen, but let's just make sure to | |||||
* say something if there's a badly written provider... | |||||
*/ | |||||
BIO_printf(bio_out, "%*sEmpty list of %s (!!!)\n", indent, "", thing); | |||||
} else { | |||||
BIO_printf(bio_out, "%*s%s:\n", indent, "", thing); | |||||
for (; pdefs->key != NULL; pdefs++) { | |||||
char buf[200]; /* This should be ample space */ | |||||
describe_param_type(buf, sizeof(buf), pdefs); | |||||
BIO_printf(bio_out, "%*s %s\n", indent, "", buf); | |||||
} | |||||
} | |||||
return 1; | |||||
} | |||||
void print_param_value(const OSSL_PARAM *p, int indent) | |||||
{ | |||||
int64_t i; | |||||
uint64_t u; | |||||
printf("%*s%s: ", indent, "", p->key); | |||||
switch (p->data_type) { | |||||
case OSSL_PARAM_UNSIGNED_INTEGER: | |||||
if (OSSL_PARAM_get_uint64(p, &u)) | |||||
BIO_printf(bio_out, "%llu\n", (unsigned long long int)u); | |||||
else | |||||
BIO_printf(bio_out, "error getting value\n"); | |||||
break; | |||||
case OSSL_PARAM_INTEGER: | |||||
if (OSSL_PARAM_get_int64(p, &i)) | |||||
BIO_printf(bio_out, "%lld\n", (long long int)i); | |||||
else | |||||
BIO_printf(bio_out, "error getting value\n"); | |||||
break; | |||||
case OSSL_PARAM_UTF8_PTR: | |||||
BIO_printf(bio_out, "'%s'\n", *(char **)(p->data)); | |||||
break; | |||||
case OSSL_PARAM_UTF8_STRING: | |||||
BIO_printf(bio_out, "'%s'\n", (char *)p->data); | |||||
break; | |||||
case OSSL_PARAM_OCTET_PTR: | |||||
case OSSL_PARAM_OCTET_STRING: | |||||
BIO_printf(bio_out, "<%zu bytes>\n", p->data_size); | |||||
break; | |||||
default: | |||||
BIO_printf(bio_out, "unknown type (%u) of %zu bytes\n", | |||||
p->data_type, p->data_size); | |||||
break; | |||||
} | |||||
} | |||||