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MINOR: ssl: Refactorize the "show certificate details" code

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Move all the code that dumps the details of a specific certificate into
a dedicated function so that it can be used elsewhere.
This commit is contained in:
Remi Tricot-Le Breton 2021-03-16 10:11:44 +01:00 committed by William Lallemand
parent 0bb482436c
commit 523f0e483a
1 changed files with 56 additions and 41 deletions
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97
src/ssl_ckch.c
View file

@ -1336,44 +1336,24 @@ void ckch_inst_add_cafile_link(struct ckch_inst *ckch_inst, struct bind_conf *bi
/* IO handler of the details "show ssl cert <filename>" */
static int cli_io_handler_show_cert_detail(struct appctx *appctx)
static int show_cert_detail(X509 *cert, STACK_OF(X509) *chain, struct buffer *out)
{
struct stream_interface *si = appctx->owner;
struct ckch_store *ckchs = appctx->ctx.cli.p0;
struct buffer *out = alloc_trash_chunk();
struct buffer *tmp = alloc_trash_chunk();
X509_NAME *name = NULL;
STACK_OF(X509) *chain;
unsigned int len = 0;
int write = -1;
BIO *bio = NULL;
struct buffer *tmp = alloc_trash_chunk();
int i;
int write = -1;
unsigned int len = 0;
X509_NAME *name = NULL;
if (!tmp || !out)
goto end_no_putchk;
if (!tmp)
return -1;
chunk_appendf(out, "Filename: ");
if (ckchs == ckchs_transaction.new_ckchs)
chunk_appendf(out, "*");
chunk_appendf(out, "%s\n", ckchs->path);
chunk_appendf(out, "Status: ");
if (ckchs->ckch->cert == NULL)
chunk_appendf(out, "Empty\n");
else if (LIST_ISEMPTY(&ckchs->ckch_inst))
chunk_appendf(out, "Unused\n");
else
chunk_appendf(out, "Used\n");
if (ckchs->ckch->cert == NULL)
if (!cert)
goto end;
chain = ckchs->ckch->chain;
if (chain == NULL) {
struct issuer_chain *issuer;
issuer = ssl_get0_issuer_chain(ckchs->ckch->cert);
issuer = ssl_get0_issuer_chain(cert);
if (issuer) {
chain = issuer->chain;
chunk_appendf(out, "Chain Filename: ");
@ -1381,7 +1361,7 @@ static int cli_io_handler_show_cert_detail(struct appctx *appctx)
}
}
chunk_appendf(out, "Serial: ");
if (ssl_sock_get_serial(ckchs->ckch->cert, tmp) == -1)
if (ssl_sock_get_serial(cert, tmp) == -1)
goto end;
dump_binary(out, tmp->area, tmp->data);
chunk_appendf(out, "\n");
@ -1390,7 +1370,7 @@ static int cli_io_handler_show_cert_detail(struct appctx *appctx)
chunk_reset(tmp);
if ((bio = BIO_new(BIO_s_mem())) == NULL)
goto end;
if (ASN1_TIME_print(bio, X509_getm_notBefore(ckchs->ckch->cert)) == 0)
if (ASN1_TIME_print(bio, X509_getm_notBefore(cert)) == 0)
goto end;
write = BIO_read(bio, tmp->area, tmp->size-1);
tmp->area[write] = '\0';
@ -1402,7 +1382,7 @@ static int cli_io_handler_show_cert_detail(struct appctx *appctx)
chunk_reset(tmp);
if ((bio = BIO_new(BIO_s_mem())) == NULL)
goto end;
if (ASN1_TIME_print(bio, X509_getm_notAfter(ckchs->ckch->cert)) == 0)
if (ASN1_TIME_print(bio, X509_getm_notAfter(cert)) == 0)
goto end;
if ((write = BIO_read(bio, tmp->area, tmp->size-1)) <= 0)
goto end;
@ -1413,27 +1393,27 @@ static int cli_io_handler_show_cert_detail(struct appctx *appctx)
#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
chunk_appendf(out, "Subject Alternative Name: ");
if (ssl_sock_get_san_oneline(ckchs->ckch->cert, out) == -1)
if (ssl_sock_get_san_oneline(cert, out) == -1)
goto end;
*(out->area + out->data) = '\0';
chunk_appendf(out, "\n");
#endif
chunk_reset(tmp);
chunk_appendf(out, "Algorithm: ");
if (cert_get_pkey_algo(ckchs->ckch->cert, tmp) == 0)
if (cert_get_pkey_algo(cert, tmp) == 0)
goto end;
chunk_appendf(out, "%s\n", tmp->area);
chunk_reset(tmp);
chunk_appendf(out, "SHA1 FingerPrint: ");
if (X509_digest(ckchs->ckch->cert, EVP_sha1(), (unsigned char *) tmp->area, &len) == 0)
if (X509_digest(cert, EVP_sha1(), (unsigned char *) tmp->area, &len) == 0)
goto end;
tmp->data = len;
dump_binary(out, tmp->area, tmp->data);
chunk_appendf(out, "\n");
chunk_appendf(out, "Subject: ");
if ((name = X509_get_subject_name(ckchs->ckch->cert)) == NULL)
if ((name = X509_get_subject_name(cert)) == NULL)
goto end;
if ((ssl_sock_get_dn_oneline(name, tmp)) == -1)
goto end;
@ -1441,7 +1421,7 @@ static int cli_io_handler_show_cert_detail(struct appctx *appctx)
chunk_appendf(out, "%s\n", tmp->area);
chunk_appendf(out, "Issuer: ");
if ((name = X509_get_issuer_name(ckchs->ckch->cert)) == NULL)
if ((name = X509_get_issuer_name(cert)) == NULL)
goto end;
if ((ssl_sock_get_dn_oneline(name, tmp)) == -1)
goto end;
@ -1469,6 +1449,45 @@ static int cli_io_handler_show_cert_detail(struct appctx *appctx)
chunk_appendf(out, "%s\n", tmp->area);
}
end:
if (bio)
BIO_free(bio);
free_trash_chunk(tmp);
return 0;
}
/* IO handler of the details "show ssl cert <filename>" */
static int cli_io_handler_show_cert_detail(struct appctx *appctx)
{
struct stream_interface *si = appctx->owner;
struct ckch_store *ckchs = appctx->ctx.cli.p0;
struct buffer *out = alloc_trash_chunk();
int retval = 0;
if (!out)
goto end_no_putchk;
chunk_appendf(out, "Filename: ");
if (ckchs == ckchs_transaction.new_ckchs)
chunk_appendf(out, "*");
chunk_appendf(out, "%s\n", ckchs->path);
chunk_appendf(out, "Status: ");
if (ckchs->ckch->cert == NULL)
chunk_appendf(out, "Empty\n");
else if (LIST_ISEMPTY(&ckchs->ckch_inst))
chunk_appendf(out, "Unused\n");
else
chunk_appendf(out, "Used\n");
retval = show_cert_detail(ckchs->ckch->cert, ckchs->ckch->chain, out);
if (retval < 0)
goto end_no_putchk;
else if (retval)
goto end;
end:
if (ci_putchk(si_ic(si), out) == -1) {
si_rx_room_blk(si);
@ -1476,13 +1495,9 @@ end:
}
end_no_putchk:
if (bio)
BIO_free(bio);
free_trash_chunk(tmp);
free_trash_chunk(out);
return 1;
yield:
free_trash_chunk(tmp);
free_trash_chunk(out);
return 0; /* should come back */
}