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authorOmar Polo <op@cvs.openbsd.org>2024-08-26 22:00:48 +0000
committerOmar Polo <op@cvs.openbsd.org>2024-08-26 22:00:48 +0000
commit0a855dc2e7b98910b3b440077af707d52b0a95e2 (patch)
tree9193c3c01e6ca8633945658f63d189081c325bcc /lib/libcrypto/dsa
parent9666cd48e54d4ea7c01c4b510393551f164d0f52 (diff)
replace strtol(3) usage with strtonum(3); idea/ok/tweaks tb@
Diffstat (limited to 'lib/libcrypto/dsa')
-rw-r--r--lib/libcrypto/dsa/dsa_pmeth.c33
1 files changed, 10 insertions, 23 deletions
diff --git a/lib/libcrypto/dsa/dsa_pmeth.c b/lib/libcrypto/dsa/dsa_pmeth.c
index 001bdec201d..019bee68b29 100644
--- a/lib/libcrypto/dsa/dsa_pmeth.c
+++ b/lib/libcrypto/dsa/dsa_pmeth.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dsa_pmeth.c,v 1.19 2023/12/28 22:11:26 tb Exp $ */
+/* $OpenBSD: dsa_pmeth.c,v 1.20 2024/08/26 22:00:47 op Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2006.
*/
@@ -58,6 +58,7 @@
#include <limits.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#include <openssl/asn1t.h>
@@ -244,34 +245,21 @@ pkey_dsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
static int
pkey_dsa_ctrl_str(EVP_PKEY_CTX *ctx, const char *type, const char *value)
{
- long lval;
- char *ep;
+ const char *errstr;
if (!strcmp(type, "dsa_paramgen_bits")) {
int nbits;
- errno = 0;
- lval = strtol(value, &ep, 10);
- if (value[0] == '\0' || *ep != '\0')
- goto not_a_number;
- if ((errno == ERANGE &&
- (lval == LONG_MAX || lval == LONG_MIN)) ||
- (lval > INT_MAX || lval < INT_MIN))
- goto out_of_range;
- nbits = lval;
+ nbits = strtonum(value, INT_MIN, INT_MAX, &errstr);
+ if (errstr != NULL)
+ return -2;
return EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits);
} else if (!strcmp(type, "dsa_paramgen_q_bits")) {
int qbits;
- errno = 0;
- lval = strtol(value, &ep, 10);
- if (value[0] == '\0' || *ep != '\0')
- goto not_a_number;
- if ((errno == ERANGE &&
- (lval == LONG_MAX || lval == LONG_MIN)) ||
- (lval > INT_MAX || lval < INT_MIN))
- goto out_of_range;
- qbits = lval;
+ qbits = strtonum(value, INT_MIN, INT_MAX, &errstr);
+ if (errstr != NULL)
+ return -2;
return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA,
EVP_PKEY_OP_PARAMGEN, EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS,
qbits, NULL);
@@ -280,8 +268,7 @@ pkey_dsa_ctrl_str(EVP_PKEY_CTX *ctx, const char *type, const char *value)
EVP_PKEY_OP_PARAMGEN, EVP_PKEY_CTRL_DSA_PARAMGEN_MD, 0,
(void *)EVP_get_digestbyname(value));
}
-not_a_number:
-out_of_range:
+
return -2;
}