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Make libradius(3) buildable.

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This commit is contained in:
Jung-uk Kim 2018-09-19 07:06:20 +00:00
parent 07f5430d5c
commit 328bbc11c9
1 changed files with 33 additions and 30 deletions
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63
lib/libradius/radlib.c
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@ -156,22 +156,21 @@ insert_message_authenticator(struct rad_handle *h, int resp)
u_char md[EVP_MAX_MD_SIZE];
u_int md_len;
const struct rad_server *srvp;
HMAC_CTX ctx;
HMAC_CTX *ctx;
srvp = &h->servers[h->srv];
if (h->authentic_pos != 0) {
HMAC_CTX_init(&ctx);
HMAC_Init(&ctx, srvp->secret, strlen(srvp->secret), EVP_md5());
HMAC_Update(&ctx, &h->out[POS_CODE], POS_AUTH - POS_CODE);
ctx = HMAC_CTX_new();
HMAC_Init_ex(ctx, srvp->secret, strlen(srvp->secret), EVP_md5(), NULL);
HMAC_Update(ctx, &h->out[POS_CODE], POS_AUTH - POS_CODE);
if (resp)
HMAC_Update(&ctx, &h->in[POS_AUTH], LEN_AUTH);
HMAC_Update(ctx, &h->in[POS_AUTH], LEN_AUTH);
else
HMAC_Update(&ctx, &h->out[POS_AUTH], LEN_AUTH);
HMAC_Update(&ctx, &h->out[POS_ATTRS],
HMAC_Update(ctx, &h->out[POS_AUTH], LEN_AUTH);
HMAC_Update(ctx, &h->out[POS_ATTRS],
h->out_len - POS_ATTRS);
HMAC_Final(&ctx, md, &md_len);
HMAC_CTX_cleanup(&ctx);
HMAC_cleanup(&ctx);
HMAC_Final(ctx, md, &md_len);
HMAC_CTX_free(ctx);
memcpy(&h->out[h->authentic_pos + 2], md, md_len);
}
#endif
@ -190,7 +189,7 @@ is_valid_response(struct rad_handle *h, int srv,
const struct rad_server *srvp;
int len;
#ifdef WITH_SSL
HMAC_CTX hctx;
HMAC_CTX *hctx;
u_char resp[MSGSIZE], md[EVP_MAX_MD_SIZE];
u_int md_len;
int pos;
@ -232,31 +231,33 @@ is_valid_response(struct rad_handle *h, int srv,
pos = POS_ATTRS;
/* Search and verify the Message-Authenticator */
hctx = HMAC_CTX_new();
while (pos < len - 2) {
if (h->in[pos] == RAD_MESSAGE_AUTHENTIC) {
/* zero fill the Message-Authenticator */
memset(&resp[pos + 2], 0, MD5_DIGEST_LENGTH);
HMAC_CTX_init(&hctx);
HMAC_Init(&hctx, srvp->secret,
strlen(srvp->secret), EVP_md5());
HMAC_Update(&hctx, &h->in[POS_CODE],
HMAC_Init_ex(hctx, srvp->secret,
strlen(srvp->secret), EVP_md5(), NULL);
HMAC_Update(hctx, &h->in[POS_CODE],
POS_AUTH - POS_CODE);
HMAC_Update(&hctx, &h->out[POS_AUTH],
HMAC_Update(hctx, &h->out[POS_AUTH],
LEN_AUTH);
HMAC_Update(&hctx, &resp[POS_ATTRS],
HMAC_Update(hctx, &resp[POS_ATTRS],
h->in_len - POS_ATTRS);
HMAC_Final(&hctx, md, &md_len);
HMAC_CTX_cleanup(&hctx);
HMAC_cleanup(&hctx);
HMAC_Final(hctx, md, &md_len);
HMAC_CTX_reset(hctx);
if (memcmp(md, &h->in[pos + 2],
MD5_DIGEST_LENGTH) != 0)
MD5_DIGEST_LENGTH) != 0) {
HMAC_CTX_free(hctx);
return 0;
}
break;
}
pos += h->in[pos + 1];
}
HMAC_CTX_free(hctx);
}
#endif
return 1;
@ -273,7 +274,7 @@ is_valid_request(struct rad_handle *h)
const struct rad_server *srvp;
int len;
#ifdef WITH_SSL
HMAC_CTX hctx;
HMAC_CTX *hctx;
u_char resp[MSGSIZE], md[EVP_MAX_MD_SIZE];
u_int md_len;
int pos;
@ -304,6 +305,7 @@ is_valid_request(struct rad_handle *h)
#ifdef WITH_SSL
/* Search and verify the Message-Authenticator */
pos = POS_ATTRS;
hctx = HMAC_CTX_new();
while (pos < len - 2) {
if (h->in[pos] == RAD_MESSAGE_AUTHENTIC) {
memcpy(resp, h->in, MSGSIZE);
@ -313,20 +315,21 @@ is_valid_request(struct rad_handle *h)
/* zero fill the Message-Authenticator */
memset(&resp[pos + 2], 0, MD5_DIGEST_LENGTH);
HMAC_CTX_init(&hctx);
HMAC_Init(&hctx, srvp->secret,
strlen(srvp->secret), EVP_md5());
HMAC_Update(&hctx, resp, h->in_len);
HMAC_Final(&hctx, md, &md_len);
HMAC_CTX_cleanup(&hctx);
HMAC_cleanup(&hctx);
HMAC_Init_ex(hctx, srvp->secret,
strlen(srvp->secret), EVP_md5(), NULL);
HMAC_Update(hctx, resp, h->in_len);
HMAC_Final(hctx, md, &md_len);
HMAC_CTX_reset(hctx);
if (memcmp(md, &h->in[pos + 2],
MD5_DIGEST_LENGTH) != 0)
MD5_DIGEST_LENGTH) != 0) {
HMAC_CTX_free(hctx);
return (0);
}
break;
}
pos += h->in[pos + 1];
}
HMAC_CTX_free(hctx);
#endif
return (1);
}