blob: 58430476eb9876b2bc750e178368ab686c598e0c [file] [log] [blame]
/*
*
* Copyright (C) 2020 HAProxy Technologies, William Lallemand <wlallemand@haproxy.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
*/
#define _GNU_SOURCE
#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <import/ebpttree.h>
#include <import/ebsttree.h>
#include <haproxy/applet.h>
#include <haproxy/base64.h>
#include <haproxy/channel.h>
#include <haproxy/cli.h>
#include <haproxy/errors.h>
#include <haproxy/sc_strm.h>
#include <haproxy/ssl_ckch.h>
#include <haproxy/ssl_sock.h>
#include <haproxy/ssl_utils.h>
#include <haproxy/stconn.h>
#include <haproxy/tools.h>
/* Uncommitted CKCH transaction */
static struct {
struct ckch_store *new_ckchs;
struct ckch_store *old_ckchs;
char *path;
} ckchs_transaction;
/* Uncommitted CA file transaction */
static struct {
struct cafile_entry *old_cafile_entry;
struct cafile_entry *new_cafile_entry;
char *path;
} cafile_transaction;
/* Uncommitted CRL file transaction */
static struct {
struct cafile_entry *old_crlfile_entry;
struct cafile_entry *new_crlfile_entry;
char *path;
} crlfile_transaction;
/* CLI context used by "show cafile" */
struct show_cafile_ctx {
struct cafile_entry *cur_cafile_entry;
struct cafile_entry *old_cafile_entry;
int ca_index;
int show_all;
};
/* CLI context used by "show crlfile" */
struct show_crlfile_ctx {
struct cafile_entry *cafile_entry;
struct cafile_entry *old_crlfile_entry;
int index;
};
/* CLI context used by "show cert" */
struct show_cert_ctx {
struct ckch_store *old_ckchs;
struct ckch_store *cur_ckchs;
int transaction;
};
/* CLI context used by "commit cert" */
struct commit_cert_ctx {
struct ckch_store *old_ckchs;
struct ckch_store *new_ckchs;
struct ckch_inst *next_ckchi;
char *err;
enum {
CERT_ST_INIT = 0,
CERT_ST_GEN,
CERT_ST_INSERT,
CERT_ST_SUCCESS,
CERT_ST_FIN,
CERT_ST_ERROR,
} state;
};
/* CLI context used by "commit cafile" and "commit crlfile" */
struct commit_cacrlfile_ctx {
struct cafile_entry *old_entry;
struct cafile_entry *new_entry;
struct ckch_inst_link *next_ckchi_link;
enum cafile_type cafile_type; /* either CA or CRL, depending on the current command */
char *err;
enum {
CACRL_ST_INIT = 0,
CACRL_ST_GEN,
CACRL_ST_INSERT,
CACRL_ST_SUCCESS,
CACRL_ST_FIN,
CACRL_ST_ERROR,
} state;
};
/******************** cert_key_and_chain functions *************************
* These are the functions that fills a cert_key_and_chain structure. For the
* functions filling a SSL_CTX from a cert_key_and_chain, see ssl_sock.c
*/
/*
* Try to parse Signed Certificate Timestamp List structure. This function
* makes only basic test if the data seems like SCTL. No signature validation
* is performed.
*/
static int ssl_sock_parse_sctl(struct buffer *sctl)
{
int ret = 1;
int len, pos, sct_len;
unsigned char *data;
if (sctl->data < 2)
goto out;
data = (unsigned char *) sctl->area;
len = (data[0] << 8) | data[1];
if (len + 2 != sctl->data)
goto out;
data = data + 2;
pos = 0;
while (pos < len) {
if (len - pos < 2)
goto out;
sct_len = (data[pos] << 8) | data[pos + 1];
if (pos + sct_len + 2 > len)
goto out;
pos += sct_len + 2;
}
ret = 0;
out:
return ret;
}
/* Try to load a sctl from a buffer <buf> if not NULL, or read the file <sctl_path>
* It fills the ckch->sctl buffer
* return 0 on success or != 0 on failure */
int ssl_sock_load_sctl_from_file(const char *sctl_path, char *buf, struct cert_key_and_chain *ckch, char **err)
{
int fd = -1;
int r = 0;
int ret = 1;
struct buffer tmp;
struct buffer *src;
struct buffer *sctl;
if (buf) {
chunk_initstr(&tmp, buf);
src = &tmp;
} else {
fd = open(sctl_path, O_RDONLY);
if (fd == -1)
goto end;
trash.data = 0;
while (trash.data < trash.size) {
r = read(fd, trash.area + trash.data, trash.size - trash.data);
if (r < 0) {
if (errno == EINTR)
continue;
goto end;
}
else if (r == 0) {
break;
}
trash.data += r;
}
src = &trash;
}
ret = ssl_sock_parse_sctl(src);
if (ret)
goto end;
sctl = calloc(1, sizeof(*sctl));
if (!chunk_dup(sctl, src)) {
ha_free(&sctl);
goto end;
}
/* no error, fill ckch with new context, old context must be free */
if (ckch->sctl) {
ha_free(&ckch->sctl->area);
free(ckch->sctl);
}
ckch->sctl = sctl;
ret = 0;
end:
if (fd != -1)
close(fd);
return ret;
}
#if ((defined SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB && !defined OPENSSL_NO_OCSP) || defined OPENSSL_IS_BORINGSSL)
/*
* This function load the OCSP Response in DER format contained in file at
* path 'ocsp_path' or base64 in a buffer <buf>
*
* Returns 0 on success, 1 in error case.
*/
int ssl_sock_load_ocsp_response_from_file(const char *ocsp_path, char *buf, struct cert_key_and_chain *ckch, char **err)
{
int fd = -1;
int r = 0;
int ret = 1;
struct buffer *ocsp_response;
struct buffer *src = NULL;
if (buf) {
int i, j;
/* if it's from a buffer it will be base64 */
/* remove \r and \n from the payload */
for (i = 0, j = 0; buf[i]; i++) {
if (buf[i] == '\r' || buf[i] == '\n')
continue;
buf[j++] = buf[i];
}
buf[j] = 0;
ret = base64dec(buf, j, trash.area, trash.size);
if (ret < 0) {
memprintf(err, "Error reading OCSP response in base64 format");
goto end;
}
trash.data = ret;
src = &trash;
} else {
fd = open(ocsp_path, O_RDONLY);
if (fd == -1) {
memprintf(err, "Error opening OCSP response file");
goto end;
}
trash.data = 0;
while (trash.data < trash.size) {
r = read(fd, trash.area + trash.data, trash.size - trash.data);
if (r < 0) {
if (errno == EINTR)
continue;
memprintf(err, "Error reading OCSP response from file");
goto end;
}
else if (r == 0) {
break;
}
trash.data += r;
}
close(fd);
fd = -1;
src = &trash;
}
ocsp_response = calloc(1, sizeof(*ocsp_response));
if (!chunk_dup(ocsp_response, src)) {
ha_free(&ocsp_response);
goto end;
}
/* no error, fill ckch with new context, old context must be free */
if (ckch->ocsp_response) {
ha_free(&ckch->ocsp_response->area);
free(ckch->ocsp_response);
}
ckch->ocsp_response = ocsp_response;
ret = 0;
end:
if (fd != -1)
close(fd);
return ret;
}
#endif
/*
* Try to load in a ckch every files related to a ckch.
* (PEM, sctl, ocsp, issuer etc.)
*
* This function is only used to load files during the configuration parsing,
* it is not used with the CLI.
*
* This allows us to carry the contents of the file without having to read the
* file multiple times. The caller must call
* ssl_sock_free_cert_key_and_chain_contents.
*
* returns:
* 0 on Success
* 1 on SSL Failure
*/
int ssl_sock_load_files_into_ckch(const char *path, struct cert_key_and_chain *ckch, char **err)
{
struct buffer *fp = NULL;
int ret = 1;
struct stat st;
/* try to load the PEM */
if (ssl_sock_load_pem_into_ckch(path, NULL, ckch , err) != 0) {
goto end;
}
fp = alloc_trash_chunk();
if (!fp) {
memprintf(err, "%sCan't allocate memory\n", err && *err ? *err : "");
goto end;
}
if (!chunk_strcpy(fp, path) || (b_data(fp) > MAXPATHLEN)) {
memprintf(err, "%s '%s' filename too long'.\n",
err && *err ? *err : "", fp->area);
ret = 1;
goto end;
}
/* remove the ".crt" extension */
if (global_ssl.extra_files_noext) {
char *ext;
/* look for the extension */
if ((ext = strrchr(fp->area, '.'))) {
if (strcmp(ext, ".crt") == 0) {
*ext = '\0';
fp->data = strlen(fp->area);
}
}
}
if (ckch->key == NULL) {
/* If no private key was found yet and we cannot look for it in extra
* files, raise an error.
*/
if (!(global_ssl.extra_files & SSL_GF_KEY)) {
memprintf(err, "%sNo Private Key found in '%s'.\n", err && *err ? *err : "", fp->area);
goto end;
}
/* try to load an external private key if it wasn't in the PEM */
if (!chunk_strcat(fp, ".key") || (b_data(fp) > MAXPATHLEN)) {
memprintf(err, "%s '%s' filename too long'.\n",
err && *err ? *err : "", fp->area);
ret = 1;
goto end;
}
if (stat(fp->area, &st) == 0) {
if (ssl_sock_load_key_into_ckch(fp->area, NULL, ckch, err)) {
memprintf(err, "%s '%s' is present but cannot be read or parsed'.\n",
err && *err ? *err : "", fp->area);
goto end;
}
}
if (ckch->key == NULL) {
memprintf(err, "%sNo Private Key found in '%s'.\n", err && *err ? *err : "", fp->area);
goto end;
}
/* remove the added extension */
*(fp->area + fp->data - strlen(".key")) = '\0';
b_sub(fp, strlen(".key"));
}
if (!X509_check_private_key(ckch->cert, ckch->key)) {
memprintf(err, "%sinconsistencies between private key and certificate loaded '%s'.\n",
err && *err ? *err : "", path);
goto end;
}
#ifdef HAVE_SSL_SCTL
/* try to load the sctl file */
if (global_ssl.extra_files & SSL_GF_SCTL) {
struct stat st;
if (!chunk_strcat(fp, ".sctl") || b_data(fp) > MAXPATHLEN) {
memprintf(err, "%s '%s' filename too long'.\n",
err && *err ? *err : "", fp->area);
ret = 1;
goto end;
}
if (stat(fp->area, &st) == 0) {
if (ssl_sock_load_sctl_from_file(fp->area, NULL, ckch, err)) {
memprintf(err, "%s '%s.sctl' is present but cannot be read or parsed'.\n",
err && *err ? *err : "", fp->area);
ret = 1;
goto end;
}
}
/* remove the added extension */
*(fp->area + fp->data - strlen(".sctl")) = '\0';
b_sub(fp, strlen(".sctl"));
}
#endif
/* try to load an ocsp response file */
if (global_ssl.extra_files & SSL_GF_OCSP) {
struct stat st;
if (!chunk_strcat(fp, ".ocsp") || b_data(fp) > MAXPATHLEN) {
memprintf(err, "%s '%s' filename too long'.\n",
err && *err ? *err : "", fp->area);
ret = 1;
goto end;
}
if (stat(fp->area, &st) == 0) {
if (ssl_sock_load_ocsp_response_from_file(fp->area, NULL, ckch, err)) {
ret = 1;
goto end;
}
}
/* remove the added extension */
*(fp->area + fp->data - strlen(".ocsp")) = '\0';
b_sub(fp, strlen(".ocsp"));
}
#ifndef OPENSSL_IS_BORINGSSL /* Useless for BoringSSL */
if (ckch->ocsp_response && (global_ssl.extra_files & SSL_GF_OCSP_ISSUER)) {
/* if no issuer was found, try to load an issuer from the .issuer */
if (!ckch->ocsp_issuer) {
struct stat st;
if (!chunk_strcat(fp, ".issuer") || b_data(fp) > MAXPATHLEN) {
memprintf(err, "%s '%s' filename too long'.\n",
err && *err ? *err : "", fp->area);
ret = 1;
goto end;
}
if (stat(fp->area, &st) == 0) {
if (ssl_sock_load_issuer_file_into_ckch(fp->area, NULL, ckch, err)) {
ret = 1;
goto end;
}
if (X509_check_issued(ckch->ocsp_issuer, ckch->cert) != X509_V_OK) {
memprintf(err, "%s '%s' is not an issuer'.\n",
err && *err ? *err : "", fp->area);
ret = 1;
goto end;
}
}
/* remove the added extension */
*(fp->area + fp->data - strlen(".issuer")) = '\0';
b_sub(fp, strlen(".issuer"));
}
}
#endif
ret = 0;
end:
ERR_clear_error();
/* Something went wrong in one of the reads */
if (ret != 0)
ssl_sock_free_cert_key_and_chain_contents(ckch);
free_trash_chunk(fp);
return ret;
}
/*
* Try to load a private key file from a <path> or a buffer <buf>
*
* If it failed you should not attempt to use the ckch but free it.
*
* Return 0 on success or != 0 on failure
*/
int ssl_sock_load_key_into_ckch(const char *path, char *buf, struct cert_key_and_chain *ckch , char **err)
{
BIO *in = NULL;
int ret = 1;
EVP_PKEY *key = NULL;
if (buf) {
/* reading from a buffer */
in = BIO_new_mem_buf(buf, -1);
if (in == NULL) {
memprintf(err, "%sCan't allocate memory\n", err && *err ? *err : "");
goto end;
}
} else {
/* reading from a file */
in = BIO_new(BIO_s_file());
if (in == NULL)
goto end;
if (BIO_read_filename(in, path) <= 0)
goto end;
}
/* Read Private Key */
key = PEM_read_bio_PrivateKey(in, NULL, NULL, NULL);
if (key == NULL) {
memprintf(err, "%sunable to load private key from file '%s'.\n",
err && *err ? *err : "", path);
goto end;
}
ret = 0;
SWAP(ckch->key, key);
end:
ERR_clear_error();
if (in)
BIO_free(in);
if (key)
EVP_PKEY_free(key);
return ret;
}
/*
* Try to load a PEM file from a <path> or a buffer <buf>
* The PEM must contain at least a Certificate,
* It could contain a DH, a certificate chain and a PrivateKey.
*
* If it failed you should not attempt to use the ckch but free it.
*
* Return 0 on success or != 0 on failure
*/
int ssl_sock_load_pem_into_ckch(const char *path, char *buf, struct cert_key_and_chain *ckch , char **err)
{
BIO *in = NULL;
int ret = 1;
X509 *ca;
X509 *cert = NULL;
EVP_PKEY *key = NULL;
HASSL_DH *dh = NULL;
STACK_OF(X509) *chain = NULL;
if (buf) {
/* reading from a buffer */
in = BIO_new_mem_buf(buf, -1);
if (in == NULL) {
memprintf(err, "%sCan't allocate memory\n", err && *err ? *err : "");
goto end;
}
} else {
/* reading from a file */
in = BIO_new(BIO_s_file());
if (in == NULL) {
memprintf(err, "%sCan't allocate memory\n", err && *err ? *err : "");
goto end;
}
if (BIO_read_filename(in, path) <= 0) {
memprintf(err, "%scannot open the file '%s'.\n",
err && *err ? *err : "", path);
goto end;
}
}
/* Read Private Key */
key = PEM_read_bio_PrivateKey(in, NULL, NULL, NULL);
/* no need to check for errors here, because the private key could be loaded later */
#ifndef OPENSSL_NO_DH
/* Seek back to beginning of file */
if (BIO_reset(in) == -1) {
memprintf(err, "%san error occurred while reading the file '%s'.\n",
err && *err ? *err : "", path);
goto end;
}
dh = ssl_sock_get_dh_from_bio(in);
ERR_clear_error();
/* no need to return an error there, dh is not mandatory */
#endif
/* Seek back to beginning of file */
if (BIO_reset(in) == -1) {
memprintf(err, "%san error occurred while reading the file '%s'.\n",
err && *err ? *err : "", path);
goto end;
}
/* Read Certificate */
cert = PEM_read_bio_X509_AUX(in, NULL, NULL, NULL);
if (cert == NULL) {
ret = ERR_get_error();
memprintf(err, "%sunable to load certificate from file '%s': %s.\n",
err && *err ? *err : "", path, ERR_reason_error_string(ret));
goto end;
}
/* Look for a Certificate Chain */
while ((ca = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
if (chain == NULL)
chain = sk_X509_new_null();
if (!sk_X509_push(chain, ca)) {
X509_free(ca);
break;
}
}
ret = ERR_get_error();
if (ret && !(ERR_GET_LIB(ret) == ERR_LIB_PEM && ERR_GET_REASON(ret) == PEM_R_NO_START_LINE)) {
memprintf(err, "%sunable to load certificate chain from file '%s': %s\n",
err && *err ? *err : "", path, ERR_reason_error_string(ret));
goto end;
}
/* once it loaded the PEM, it should remove everything else in the ckch */
if (ckch->ocsp_response) {
ha_free(&ckch->ocsp_response->area);
ha_free(&ckch->ocsp_response);
}
if (ckch->sctl) {
ha_free(&ckch->sctl->area);
ha_free(&ckch->sctl);
}
if (ckch->ocsp_issuer) {
X509_free(ckch->ocsp_issuer);
ckch->ocsp_issuer = NULL;
}
/* no error, fill ckch with new context, old context will be free at end: */
SWAP(ckch->key, key);
SWAP(ckch->dh, dh);
SWAP(ckch->cert, cert);
SWAP(ckch->chain, chain);
ret = 0;
end:
ERR_clear_error();
if (in)
BIO_free(in);
if (key)
EVP_PKEY_free(key);
if (dh)
HASSL_DH_free(dh);
if (cert)
X509_free(cert);
if (chain)
sk_X509_pop_free(chain, X509_free);
return ret;
}
/* Frees the contents of a cert_key_and_chain
*/
void ssl_sock_free_cert_key_and_chain_contents(struct cert_key_and_chain *ckch)
{
if (!ckch)
return;
/* Free the certificate and set pointer to NULL */
if (ckch->cert)
X509_free(ckch->cert);
ckch->cert = NULL;
/* Free the key and set pointer to NULL */
if (ckch->key)
EVP_PKEY_free(ckch->key);
ckch->key = NULL;
/* Free each certificate in the chain */
if (ckch->chain)
sk_X509_pop_free(ckch->chain, X509_free);
ckch->chain = NULL;
if (ckch->dh)
HASSL_DH_free(ckch->dh);
ckch->dh = NULL;
if (ckch->sctl) {
ha_free(&ckch->sctl->area);
ha_free(&ckch->sctl);
}
if (ckch->ocsp_response) {
ha_free(&ckch->ocsp_response->area);
ha_free(&ckch->ocsp_response);
}
if (ckch->ocsp_issuer)
X509_free(ckch->ocsp_issuer);
ckch->ocsp_issuer = NULL;
}
/*
*
* This function copy a cert_key_and_chain in memory
*
* It's used to try to apply changes on a ckch before committing them, because
* most of the time it's not possible to revert those changes
*
* Return a the dst or NULL
*/
struct cert_key_and_chain *ssl_sock_copy_cert_key_and_chain(struct cert_key_and_chain *src,
struct cert_key_and_chain *dst)
{
if (!src || !dst)
return NULL;
if (src->cert) {
dst->cert = src->cert;
X509_up_ref(src->cert);
}
if (src->key) {
dst->key = src->key;
EVP_PKEY_up_ref(src->key);
}
if (src->chain) {
dst->chain = X509_chain_up_ref(src->chain);
}
if (src->dh) {
#ifndef USE_OPENSSL_WOLFSSL
HASSL_DH_up_ref(src->dh);
dst->dh = src->dh;
#else
dst->dh = wolfSSL_DH_dup(src->dh);
if (!dst->dh)
goto error;
#endif
}
if (src->sctl) {
struct buffer *sctl;
sctl = calloc(1, sizeof(*sctl));
if (!chunk_dup(sctl, src->sctl)) {
ha_free(&sctl);
goto error;
}
dst->sctl = sctl;
}
if (src->ocsp_response) {
struct buffer *ocsp_response;
ocsp_response = calloc(1, sizeof(*ocsp_response));
if (!chunk_dup(ocsp_response, src->ocsp_response)) {
ha_free(&ocsp_response);
goto error;
}
dst->ocsp_response = ocsp_response;
}
if (src->ocsp_issuer) {
X509_up_ref(src->ocsp_issuer);
dst->ocsp_issuer = src->ocsp_issuer;
}
return dst;
error:
/* free everything */
ssl_sock_free_cert_key_and_chain_contents(dst);
return NULL;
}
/*
* return 0 on success or != 0 on failure
*/
int ssl_sock_load_issuer_file_into_ckch(const char *path, char *buf, struct cert_key_and_chain *ckch, char **err)
{
int ret = 1;
BIO *in = NULL;
X509 *issuer;
if (buf) {
/* reading from a buffer */
in = BIO_new_mem_buf(buf, -1);
if (in == NULL) {
memprintf(err, "%sCan't allocate memory\n", err && *err ? *err : "");
goto end;
}
} else {
/* reading from a file */
in = BIO_new(BIO_s_file());
if (in == NULL)
goto end;
if (BIO_read_filename(in, path) <= 0)
goto end;
}
issuer = PEM_read_bio_X509_AUX(in, NULL, NULL, NULL);
if (!issuer) {
memprintf(err, "%s'%s' cannot be read or parsed'.\n",
err && *err ? *err : "", path);
goto end;
}
/* no error, fill ckch with new context, old context must be free */
if (ckch->ocsp_issuer)
X509_free(ckch->ocsp_issuer);
ckch->ocsp_issuer = issuer;
ret = 0;
end:
ERR_clear_error();
if (in)
BIO_free(in);
return ret;
}
/******************** ckch_store functions ***********************************
* The ckch_store is a structure used to cache and index the SSL files used in
* configuration
*/
/*
* Free a ckch_store, its ckch, its instances and remove it from the ebtree
*/
void ckch_store_free(struct ckch_store *store)
{
struct ckch_inst *inst, *inst_s;
if (!store)
return;
ssl_sock_free_cert_key_and_chain_contents(store->ckch);
ha_free(&store->ckch);
list_for_each_entry_safe(inst, inst_s, &store->ckch_inst, by_ckchs) {
ckch_inst_free(inst);
}
ebmb_delete(&store->node);
free(store);
}
/*
* create and initialize a ckch_store
* <path> is the key name
* <nmemb> is the number of store->ckch objects to allocate
*
* Return a ckch_store or NULL upon failure.
*/
struct ckch_store *ckch_store_new(const char *filename)
{
struct ckch_store *store;
int pathlen;
pathlen = strlen(filename);
store = calloc(1, sizeof(*store) + pathlen + 1);
if (!store)
return NULL;
memcpy(store->path, filename, pathlen + 1);
LIST_INIT(&store->ckch_inst);
LIST_INIT(&store->crtlist_entry);
store->ckch = calloc(1, sizeof(*store->ckch));
if (!store->ckch)
goto error;
return store;
error:
ckch_store_free(store);
return NULL;
}
/* allocate and duplicate a ckch_store
* Return a new ckch_store or NULL */
struct ckch_store *ckchs_dup(const struct ckch_store *src)
{
struct ckch_store *dst;
if (!src)
return NULL;
dst = ckch_store_new(src->path);
if (!dst)
return NULL;
if (!ssl_sock_copy_cert_key_and_chain(src->ckch, dst->ckch))
goto error;
return dst;
error:
ckch_store_free(dst);
return NULL;
}
/*
* lookup a path into the ckchs tree.
*/
struct ckch_store *ckchs_lookup(char *path)
{
struct ebmb_node *eb;
eb = ebst_lookup(&ckchs_tree, path);
if (!eb)
return NULL;
return ebmb_entry(eb, struct ckch_store, node);
}
/*
* This function allocate a ckch_store and populate it with certificates from files.
*/
struct ckch_store *ckchs_load_cert_file(char *path, char **err)
{
struct ckch_store *ckchs;
ckchs = ckch_store_new(path);
if (!ckchs) {
memprintf(err, "%sunable to allocate memory.\n", err && *err ? *err : "");
goto end;
}
if (ssl_sock_load_files_into_ckch(path, ckchs->ckch, err) == 1)
goto end;
/* insert into the ckchs tree */
memcpy(ckchs->path, path, strlen(path) + 1);
ebst_insert(&ckchs_tree, &ckchs->node);
return ckchs;
end:
ckch_store_free(ckchs);
return NULL;
}
/******************** ckch_inst functions ******************************/
/* unlink a ckch_inst, free all SNIs, free the ckch_inst */
/* The caller must use the lock of the bind_conf if used with inserted SNIs */
void ckch_inst_free(struct ckch_inst *inst)
{
struct sni_ctx *sni, *sni_s;
struct ckch_inst_link_ref *link_ref, *link_ref_s;
if (inst == NULL)
return;
list_for_each_entry_safe(sni, sni_s, &inst->sni_ctx, by_ckch_inst) {
SSL_CTX_free(sni->ctx);
LIST_DELETE(&sni->by_ckch_inst);
ebmb_delete(&sni->name);
free(sni);
}
SSL_CTX_free(inst->ctx);
inst->ctx = NULL;
LIST_DELETE(&inst->by_ckchs);
LIST_DELETE(&inst->by_crtlist_entry);
/* Free the cafile_link_refs list */
list_for_each_entry_safe(link_ref, link_ref_s, &inst->cafile_link_refs, list) {
if (link_ref->link && LIST_INLIST(&link_ref->link->list)) {
/* Try to detach and free the ckch_inst_link only if it
* was attached, this way it can be used to loop from
* the caller */
LIST_DEL_INIT(&link_ref->link->list);
ha_free(&link_ref->link);
}
LIST_DELETE(&link_ref->list);
free(link_ref);
}
free(inst);
}
/* Alloc and init a ckch_inst */
struct ckch_inst *ckch_inst_new()
{
struct ckch_inst *ckch_inst;
ckch_inst = calloc(1, sizeof *ckch_inst);
if (!ckch_inst)
return NULL;
LIST_INIT(&ckch_inst->sni_ctx);
LIST_INIT(&ckch_inst->by_ckchs);
LIST_INIT(&ckch_inst->by_crtlist_entry);
LIST_INIT(&ckch_inst->cafile_link_refs);
return ckch_inst;
}
/******************** ssl_store functions ******************************/
struct eb_root cafile_tree = EB_ROOT;
/*
* Returns the cafile_entry found in the cafile_tree indexed by the path 'path'.
* If 'oldest_entry' is 1, returns the "original" cafile_entry (since
* during a set cafile/commit cafile cycle there might be two entries for any
* given path, the original one and the new one set via the CLI but not
* committed yet).
*/
struct cafile_entry *ssl_store_get_cafile_entry(char *path, int oldest_entry)
{
struct cafile_entry *ca_e = NULL;
struct ebmb_node *eb;
eb = ebst_lookup(&cafile_tree, path);
while (eb) {
ca_e = ebmb_entry(eb, struct cafile_entry, node);
/* The ebst_lookup in a tree that has duplicates returns the
* oldest entry first. If we want the latest entry, we need to
* iterate over all the duplicates until we find the last one
* (in our case there should never be more than two entries for
* any given path). */
if (oldest_entry)
return ca_e;
eb = ebmb_next_dup(eb);
}
return ca_e;
}
int ssl_store_add_uncommitted_cafile_entry(struct cafile_entry *entry)
{
return (ebst_insert(&cafile_tree, &entry->node) != &entry->node);
}
X509_STORE* ssl_store_get0_locations_file(char *path)
{
struct cafile_entry *ca_e = ssl_store_get_cafile_entry(path, 0);
if (ca_e)
return ca_e->ca_store;
return NULL;
}
/* Create a cafile_entry object, without adding it to the cafile_tree. */
struct cafile_entry *ssl_store_create_cafile_entry(char *path, X509_STORE *store, enum cafile_type type)
{
struct cafile_entry *ca_e;
int pathlen;
pathlen = strlen(path);
ca_e = calloc(1, sizeof(*ca_e) + pathlen + 1);
if (ca_e) {
memcpy(ca_e->path, path, pathlen + 1);
ca_e->ca_store = store;
ca_e->type = type;
LIST_INIT(&ca_e->ckch_inst_link);
}
return ca_e;
}
/* Duplicate a cafile_entry
* Allocate the X509_STORE and copy the X509 and CRL inside.
*
* Return the newly allocated cafile_entry or NULL.
*
*/
struct cafile_entry *ssl_store_dup_cafile_entry(struct cafile_entry *src)
{
struct cafile_entry *dst = NULL;
X509_STORE *store = NULL;
STACK_OF(X509_OBJECT) *objs;
int i;
if (!src)
return NULL;
if (src->ca_store) {
/* if there was a store in the src, copy it */
store = X509_STORE_new();
if (!store)
goto err;
objs = X509_STORE_get0_objects(src->ca_store);
for (i = 0; i < sk_X509_OBJECT_num(objs); i++) {
X509 *cert;
X509_CRL *crl;
cert = X509_OBJECT_get0_X509(sk_X509_OBJECT_value(objs, i));
if (cert) {
if (X509_STORE_add_cert(store, cert) == 0) {
/* only exits on error if the error is not about duplicate certificates */
if (!(ERR_GET_REASON(ERR_get_error()) == X509_R_CERT_ALREADY_IN_HASH_TABLE)) {
goto err;
}
}
}
crl = X509_OBJECT_get0_X509_CRL(sk_X509_OBJECT_value(objs, i));
if (crl) {
if (X509_STORE_add_crl(store, crl) == 0) {
/* only exits on error if the error is not about duplicate certificates */
if (!(ERR_GET_REASON(ERR_get_error()) == X509_R_CERT_ALREADY_IN_HASH_TABLE)) {
goto err;
}
}
}
}
}
dst = ssl_store_create_cafile_entry(src->path, store, src->type);
return dst;
err:
X509_STORE_free(store);
ha_free(&dst);
return NULL;
}
/* Delete a cafile_entry. The caller is responsible from removing this entry
* from the cafile_tree first if is was previously added into it. */
void ssl_store_delete_cafile_entry(struct cafile_entry *ca_e)
{
struct ckch_inst_link *link, *link_s;
if (!ca_e)
return;
X509_STORE_free(ca_e->ca_store);
list_for_each_entry_safe(link, link_s, &ca_e->ckch_inst_link, list) {
struct ckch_inst *inst = link->ckch_inst;
struct ckch_inst_link_ref *link_ref, *link_ref_s;
list_for_each_entry_safe(link_ref, link_ref_s, &inst->cafile_link_refs, list) {
if (link_ref->link == link) {
LIST_DELETE(&link_ref->list);
free(link_ref);
break;
}
}
LIST_DELETE(&link->list);
free(link);
}
free(ca_e);
}
/*
* Fill a cafile_entry <ca_e> X509_STORE ca_e->store out of a buffer <cert_buf>
* instead of out of a file. The <append> field should be set to 1 if you want
* to keep the existing X509_STORE and append data to it.
*
* This function is used when the "set ssl ca-file" cli command is used.
* It can parse CERTIFICATE sections as well as CRL ones.
* Returns 0 in case of success, 1 otherwise.
*
* /!\ Warning: If there was an error the X509_STORE could have been modified so it's
* better to not use it after a return 1.
*/
int ssl_store_load_ca_from_buf(struct cafile_entry *ca_e, char *cert_buf, int append)
{
BIO *bio = NULL;
STACK_OF(X509_INFO) *infos;
X509_INFO *info;
int i;
int retval = 1;
int retcert = 0;
if (!ca_e)
return 1;
if (!append) {
X509_STORE_free(ca_e->ca_store);
ca_e->ca_store = NULL;
}
if (!ca_e->ca_store)
ca_e->ca_store = X509_STORE_new();
if (!ca_e->ca_store)
goto end;
bio = BIO_new_mem_buf(cert_buf, strlen(cert_buf));
if (!bio)
goto end;
infos = PEM_X509_INFO_read_bio(bio, NULL, NULL, NULL);
if (!infos)
goto end;
for (i = 0; i < sk_X509_INFO_num(infos) && !retcert; i++) {
info = sk_X509_INFO_value(infos, i);
/* X509_STORE_add_cert and X509_STORE_add_crl return 1 on success */
if (info->x509)
retcert = !X509_STORE_add_cert(ca_e->ca_store, info->x509);
if (!retcert && info->crl)
retcert = !X509_STORE_add_crl(ca_e->ca_store, info->crl);
}
/* return an error if we didn't compute all the X509_INFO or if there was none
* set to 0 if everything was right */
if (!(retcert || (i != sk_X509_INFO_num(infos)) || (sk_X509_INFO_num(infos) == 0)))
retval = 0;
/* Cleanup */
sk_X509_INFO_pop_free(infos, X509_INFO_free);
end:
BIO_free(bio);
return retval;
}
/*
* Try to load a ca-file from disk into the ca-file cache.
* <shuterror> allows you to to stop emitting the errors.
* Return 0 upon error
*/
int __ssl_store_load_locations_file(char *path, int create_if_none, enum cafile_type type, int shuterror)
{
X509_STORE *store = ssl_store_get0_locations_file(path);
/* If this function is called by the CLI, we should not call the
* X509_STORE_load_locations function because it performs forbidden disk
* accesses. */
if (!store && create_if_none) {
STACK_OF(X509_OBJECT) *objs;
int cert_count = 0;
struct stat buf;
struct cafile_entry *ca_e;
const char *file = NULL;
const char *dir = NULL;
unsigned long e;
store = X509_STORE_new();
if (!store) {
if (!shuterror)
ha_alert("Cannot allocate memory!\n");
goto err;
}
if (strcmp(path, "@system-ca") == 0) {
dir = X509_get_default_cert_dir();
if (!dir) {
if (!shuterror)
ha_alert("Couldn't get the system CA directory from X509_get_default_cert_dir().\n");
goto err;
}
} else {
if (stat(path, &buf) == -1) {
if (!shuterror)
ha_alert("Couldn't open the ca-file '%s' (%s).\n", path, strerror(errno));
goto err;
}
if (S_ISDIR(buf.st_mode))
dir = path;
else
file = path;
}
if (file) {
if (!X509_STORE_load_locations(store, file, NULL)) {
e = ERR_get_error();
if (!shuterror)
ha_alert("Couldn't open the ca-file '%s' (%s).\n", path, ERR_reason_error_string(e));
goto err;
}
} else if (dir) {
int n, i;
struct dirent **de_list;
n = scandir(dir, &de_list, 0, alphasort);
if (n < 0)
goto err;
for (i= 0; i < n; i++) {
char *end;
struct dirent *de = de_list[i];
BIO *in = NULL;
X509 *ca = NULL;;
ERR_clear_error();
/* we try to load the files that would have
* been loaded in an hashed directory loaded by
* X509_LOOKUP_hash_dir, so according to "man 1
* c_rehash", we should load ".pem", ".crt",
* ".cer", or ".crl". Files starting with a dot
* are ignored.
*/
end = strrchr(de->d_name, '.');
if (!end || de->d_name[0] == '.' ||
(strcmp(end, ".pem") != 0 &&
strcmp(end, ".crt") != 0 &&
strcmp(end, ".cer") != 0 &&
strcmp(end, ".crl") != 0)) {
free(de);
continue;
}
in = BIO_new(BIO_s_file());
if (in == NULL)
goto scandir_err;
chunk_printf(&trash, "%s/%s", dir, de->d_name);
if (BIO_read_filename(in, trash.area) == 0)
goto scandir_err;
if (PEM_read_bio_X509_AUX(in, &ca, NULL, NULL) == NULL)
goto scandir_err;
if (X509_STORE_add_cert(store, ca) == 0) {
/* only exits on error if the error is not about duplicate certificates */
if (!(ERR_GET_REASON(ERR_get_error()) == X509_R_CERT_ALREADY_IN_HASH_TABLE)) {
goto scandir_err;
}
}
X509_free(ca);
BIO_free(in);
free(de);
continue;
scandir_err:
e = ERR_get_error();
X509_free(ca);
BIO_free(in);
free(de);
/* warn if it can load one of the files, but don't abort */
if (!shuterror)
ha_warning("ca-file: '%s' couldn't load '%s' (%s)\n", path, trash.area, ERR_reason_error_string(e));
}
free(de_list);
} else {
if (!shuterror)
ha_alert("ca-file: couldn't load '%s'\n", path);
goto err;
}
objs = X509_STORE_get0_objects(store);
cert_count = sk_X509_OBJECT_num(objs);
if (cert_count == 0) {
if (!shuterror)
ha_warning("ca-file: 0 CA were loaded from '%s'\n", path);
}
ca_e = ssl_store_create_cafile_entry(path, store, type);
if (!ca_e) {
if (!shuterror)
ha_alert("Cannot allocate memory!\n");
goto err;
}
ebst_insert(&cafile_tree, &ca_e->node);
}
return (store != NULL);
err:
X509_STORE_free(store);
store = NULL;
return 0;
}
int ssl_store_load_locations_file(char *path, int create_if_none, enum cafile_type type)
{
return __ssl_store_load_locations_file(path, create_if_none, type, 0);
}
/*************************** CLI commands ***********************/
/* Type of SSL payloads that can be updated over the CLI */
struct cert_exts cert_exts[] = {
{ "", CERT_TYPE_PEM, &ssl_sock_load_pem_into_ckch }, /* default mode, no extensions */
{ "crt", CERT_TYPE_CRT, &ssl_sock_load_pem_into_ckch },
{ "key", CERT_TYPE_KEY, &ssl_sock_load_key_into_ckch },
#if ((defined SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB && !defined OPENSSL_NO_OCSP) || defined OPENSSL_IS_BORINGSSL)
{ "ocsp", CERT_TYPE_OCSP, &ssl_sock_load_ocsp_response_from_file },
#endif
#ifdef HAVE_SSL_SCTL
{ "sctl", CERT_TYPE_SCTL, &ssl_sock_load_sctl_from_file },
#endif
{ "issuer", CERT_TYPE_ISSUER, &ssl_sock_load_issuer_file_into_ckch },
{ NULL, CERT_TYPE_MAX, NULL },
};
/* release function of the `show ssl cert' command */
static void cli_release_show_cert(struct appctx *appctx)
{
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
}
/* IO handler of "show ssl cert <filename>".
* It makes use of a show_cert_ctx context, and ckchs_transaction in read-only.
*/
static int cli_io_handler_show_cert(struct appctx *appctx)
{
struct show_cert_ctx *ctx = appctx->svcctx;
struct buffer *trash = alloc_trash_chunk();
struct ebmb_node *node;
struct ckch_store *ckchs = NULL;
if (trash == NULL)
return 1;
if (!ctx->old_ckchs && ckchs_transaction.old_ckchs) {
ckchs = ckchs_transaction.old_ckchs;
chunk_appendf(trash, "# transaction\n");
chunk_appendf(trash, "*%s\n", ckchs->path);
if (applet_putchk(appctx, trash) == -1)
goto yield;
ctx->old_ckchs = ckchs_transaction.old_ckchs;
}
if (!ctx->cur_ckchs) {
chunk_appendf(trash, "# filename\n");
node = ebmb_first(&ckchs_tree);
} else {
node = &ctx->cur_ckchs->node;
}
while (node) {
ckchs = ebmb_entry(node, struct ckch_store, node);
chunk_appendf(trash, "%s\n", ckchs->path);
node = ebmb_next(node);
if (applet_putchk(appctx, trash) == -1)
goto yield;
}
ctx->cur_ckchs = NULL;
free_trash_chunk(trash);
return 1;
yield:
free_trash_chunk(trash);
ctx->cur_ckchs = ckchs;
return 0; /* should come back */
}
/*
* Extract and format the DNS SAN extensions and copy result into a chuink
* Return 0;
*/
#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
static int ssl_sock_get_san_oneline(X509 *cert, struct buffer *out)
{
int i;
char *str;
STACK_OF(GENERAL_NAME) *names = NULL;
names = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL);
if (names) {
for (i = 0; i < sk_GENERAL_NAME_num(names); i++) {
GENERAL_NAME *name = sk_GENERAL_NAME_value(names, i);
if (i > 0)
chunk_appendf(out, ", ");
if (name->type == GEN_DNS) {
if (ASN1_STRING_to_UTF8((unsigned char **)&str, name->d.dNSName) >= 0) {
chunk_appendf(out, "DNS:%s", str);
OPENSSL_free(str);
}
}
}
sk_GENERAL_NAME_pop_free(names, GENERAL_NAME_free);
}
return 0;
}
#endif
/*
* Build the ckch_inst_link that will be chained in the CA file entry and the
* corresponding ckch_inst_link_ref that will be chained in the ckch instance.
* Return 0 in case of success.
*/
static int do_chain_inst_and_cafile(struct cafile_entry *cafile_entry, struct ckch_inst *ckch_inst)
{
struct ckch_inst_link *new_link;
if (!LIST_ISEMPTY(&cafile_entry->ckch_inst_link)) {
struct ckch_inst_link *link = LIST_ELEM(cafile_entry->ckch_inst_link.n,
typeof(link), list);
/* Do not add multiple references to the same
* instance in a cafile_entry */
if (link->ckch_inst == ckch_inst) {
return 1;
}
}
new_link = calloc(1, sizeof(*new_link));
if (new_link) {
struct ckch_inst_link_ref *new_link_ref = calloc(1, sizeof(*new_link_ref));
if (!new_link_ref) {
free(new_link);
return 1;
}
new_link->ckch_inst = ckch_inst;
new_link_ref->link = new_link;
LIST_INIT(&new_link->list);
LIST_INIT(&new_link_ref->list);
LIST_APPEND(&cafile_entry->ckch_inst_link, &new_link->list);
LIST_APPEND(&ckch_inst->cafile_link_refs, &new_link_ref->list);
}
return 0;
}
/*
* Link a CA file tree entry to the ckch instance that uses it.
* To determine if and which CA file tree entries need to be linked to the
* instance, we follow the same logic performed in ssl_sock_prepare_ctx when
* processing the verify option.
* This function works for a frontend as well as for a backend, depending on the
* configuration parameters given (bind_conf or server).
*/
void ckch_inst_add_cafile_link(struct ckch_inst *ckch_inst, struct bind_conf *bind_conf,
struct ssl_bind_conf *ssl_conf, const struct server *srv)
{
int verify = SSL_VERIFY_NONE;
if (srv) {
if (global.ssl_server_verify == SSL_SERVER_VERIFY_REQUIRED)
verify = SSL_VERIFY_PEER;
switch (srv->ssl_ctx.verify) {
case SSL_SOCK_VERIFY_NONE:
verify = SSL_VERIFY_NONE;
break;
case SSL_SOCK_VERIFY_REQUIRED:
verify = SSL_VERIFY_PEER;
break;
}
}
else {
switch ((ssl_conf && ssl_conf->verify) ? ssl_conf->verify : bind_conf->ssl_conf.verify) {
case SSL_SOCK_VERIFY_NONE:
verify = SSL_VERIFY_NONE;
break;
case SSL_SOCK_VERIFY_OPTIONAL:
verify = SSL_VERIFY_PEER;
break;
case SSL_SOCK_VERIFY_REQUIRED:
verify = SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
break;
}
}
if (verify & SSL_VERIFY_PEER) {
struct cafile_entry *ca_file_entry = NULL;
struct cafile_entry *ca_verify_file_entry = NULL;
struct cafile_entry *crl_file_entry = NULL;
if (srv) {
if (srv->ssl_ctx.ca_file) {
ca_file_entry = ssl_store_get_cafile_entry(srv->ssl_ctx.ca_file, 0);
}
if (srv->ssl_ctx.crl_file) {
crl_file_entry = ssl_store_get_cafile_entry(srv->ssl_ctx.crl_file, 0);
}
}
else {
char *ca_file = (ssl_conf && ssl_conf->ca_file) ? ssl_conf->ca_file : bind_conf->ssl_conf.ca_file;
char *ca_verify_file = (ssl_conf && ssl_conf->ca_verify_file) ? ssl_conf->ca_verify_file : bind_conf->ssl_conf.ca_verify_file;
char *crl_file = (ssl_conf && ssl_conf->crl_file) ? ssl_conf->crl_file : bind_conf->ssl_conf.crl_file;
if (ca_file)
ca_file_entry = ssl_store_get_cafile_entry(ca_file, 0);
if (ca_verify_file)
ca_verify_file_entry = ssl_store_get_cafile_entry(ca_verify_file, 0);
if (crl_file)
crl_file_entry = ssl_store_get_cafile_entry(crl_file, 0);
}
if (ca_file_entry) {
/* If we have a ckch instance that is not already in the
* cafile_entry's list, add it to it. */
if (do_chain_inst_and_cafile(ca_file_entry, ckch_inst))
return;
}
if (ca_verify_file_entry && (ca_file_entry != ca_verify_file_entry)) {
/* If we have a ckch instance that is not already in the
* cafile_entry's list, add it to it. */
if (do_chain_inst_and_cafile(ca_verify_file_entry, ckch_inst))
return;
}
if (crl_file_entry) {
/* If we have a ckch instance that is not already in the
* cafile_entry's list, add it to it. */
if (do_chain_inst_and_cafile(crl_file_entry, ckch_inst))
return;
}
}
}
static int show_cert_detail(X509 *cert, STACK_OF(X509) *chain, struct buffer *out)
{
BIO *bio = NULL;
struct buffer *tmp = alloc_trash_chunk();
int i;
int write = -1;
unsigned int len = 0;
X509_NAME *name = NULL;
if (!tmp)
return -1;
if (!cert)
goto end;
if (chain == NULL) {
struct issuer_chain *issuer;
issuer = ssl_get0_issuer_chain(cert);
if (issuer) {
chain = issuer->chain;
chunk_appendf(out, "Chain Filename: ");
chunk_appendf(out, "%s\n", issuer->path);
}
}
chunk_appendf(out, "Serial: ");
if (ssl_sock_get_serial(cert, tmp) == -1)
goto end;
dump_binary(out, tmp->area, tmp->data);
chunk_appendf(out, "\n");
chunk_appendf(out, "notBefore: ");
chunk_reset(tmp);
if ((bio = BIO_new(BIO_s_mem())) == NULL)
goto end;
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';
BIO_free(bio);
bio = NULL;
chunk_appendf(out, "%s\n", tmp->area);
chunk_appendf(out, "notAfter: ");
chunk_reset(tmp);
if ((bio = BIO_new(BIO_s_mem())) == NULL)
goto end;
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;
tmp->area[write] = '\0';
BIO_free(bio);
bio = NULL;
chunk_appendf(out, "%s\n", tmp->area);
#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
chunk_appendf(out, "Subject Alternative Name: ");
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(cert, tmp) == 0)
goto end;
chunk_appendf(out, "%s\n", tmp->area);
chunk_reset(tmp);
chunk_appendf(out, "SHA1 FingerPrint: ");
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(cert)) == NULL)
goto end;
if ((ssl_sock_get_dn_oneline(name, tmp)) == -1)
goto end;
*(tmp->area + tmp->data) = '\0';
chunk_appendf(out, "%s\n", tmp->area);
chunk_appendf(out, "Issuer: ");
if ((name = X509_get_issuer_name(cert)) == NULL)
goto end;
if ((ssl_sock_get_dn_oneline(name, tmp)) == -1)
goto end;
*(tmp->area + tmp->data) = '\0';
chunk_appendf(out, "%s\n", tmp->area);
/* Displays subject of each certificate in the chain */
for (i = 0; i < sk_X509_num(chain); i++) {
X509 *ca = sk_X509_value(chain, i);
chunk_appendf(out, "Chain Subject: ");
if ((name = X509_get_subject_name(ca)) == NULL)
goto end;
if ((ssl_sock_get_dn_oneline(name, tmp)) == -1)
goto end;
*(tmp->area + tmp->data) = '\0';
chunk_appendf(out, "%s\n", tmp->area);
chunk_appendf(out, "Chain Issuer: ");
if ((name = X509_get_issuer_name(ca)) == NULL)
goto end;
if ((ssl_sock_get_dn_oneline(name, tmp)) == -1)
goto end;
*(tmp->area + tmp->data) = '\0';
chunk_appendf(out, "%s\n", tmp->area);
}
end:
if (bio)
BIO_free(bio);
free_trash_chunk(tmp);
return 0;
}
#if ((defined SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB && !defined OPENSSL_NO_OCSP) && !defined OPENSSL_IS_BORINGSSL)
/*
* Build the OCSP tree entry's key for a given ckch_store.
* Returns a negative value in case of error.
*/
static int ckch_store_build_certid(struct ckch_store *ckch_store, unsigned char certid[128], unsigned int *key_length)
{
OCSP_RESPONSE *resp;
OCSP_BASICRESP *bs = NULL;
OCSP_SINGLERESP *sr;
OCSP_CERTID *id;
unsigned char *p = NULL;
if (!key_length)
return -1;
*key_length = 0;
if (!ckch_store->ckch->ocsp_response)
return 0;
p = (unsigned char *) ckch_store->ckch->ocsp_response->area;
resp = d2i_OCSP_RESPONSE(NULL, (const unsigned char **)&p,
ckch_store->ckch->ocsp_response->data);
if (!resp) {
goto end;
}
bs = OCSP_response_get1_basic(resp);
if (!bs) {
goto end;
}
sr = OCSP_resp_get0(bs, 0);
if (!sr) {
goto end;
}
id = (OCSP_CERTID*)OCSP_SINGLERESP_get0_id(sr);
p = certid;
*key_length = i2d_OCSP_CERTID(id, &p);
end:
return *key_length > 0;
}
#endif
/*
* Dump the OCSP certificate key (if it exists) of certificate <ckch> into
* buffer <out>.
* Returns 0 in case of success.
*/
static int ckch_store_show_ocsp_certid(struct ckch_store *ckch_store, struct buffer *out)
{
#if ((defined SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB && !defined OPENSSL_NO_OCSP) && !defined OPENSSL_IS_BORINGSSL)
unsigned char key[OCSP_MAX_CERTID_ASN1_LENGTH] = {};
unsigned int key_length = 0;
int i;
if (ckch_store_build_certid(ckch_store, (unsigned char*)key, &key_length) >= 0) {
/* Dump the CERTID info */
chunk_appendf(out, "OCSP Response Key: ");
for (i = 0; i < key_length; ++i) {
chunk_appendf(out, "%02x", key[i]);
}
chunk_appendf(out, "\n");
}
#endif
return 0;
}
/* IO handler of the details "show ssl cert <filename>".
* It uses a struct show_cert_ctx and ckchs_transaction in read-only.
*/
static int cli_io_handler_show_cert_detail(struct appctx *appctx)
{
struct show_cert_ctx *ctx = appctx->svcctx;
struct ckch_store *ckchs = ctx->cur_ckchs;
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;
ckch_store_show_ocsp_certid(ckchs, out);
end:
if (applet_putchk(appctx, out) == -1)
goto yield;
end_no_putchk:
free_trash_chunk(out);
return 1;
yield:
free_trash_chunk(out);
return 0; /* should come back */
}
/* IO handler of the details "show ssl cert <filename.ocsp>".
* It uses a show_cert_ctx.
*/
static int cli_io_handler_show_cert_ocsp_detail(struct appctx *appctx)
{
#if ((defined SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB && !defined OPENSSL_NO_OCSP) && !defined OPENSSL_IS_BORINGSSL)
struct show_cert_ctx *ctx = appctx->svcctx;
struct ckch_store *ckchs = ctx->cur_ckchs;
struct buffer *out = alloc_trash_chunk();
int from_transaction = ctx->transaction;
if (!out)
goto end_no_putchk;
/* If we try to display an ongoing transaction's OCSP response, we
* need to dump the ckch's ocsp_response buffer directly.
* Otherwise, we must rebuild the certificate's certid in order to
* look for the current OCSP response in the tree. */
if (from_transaction && ckchs->ckch->ocsp_response) {
if (ssl_ocsp_response_print(ckchs->ckch->ocsp_response, out))
goto end_no_putchk;
}
else {
unsigned char key[OCSP_MAX_CERTID_ASN1_LENGTH] = {};
unsigned int key_length = 0;
if (ckch_store_build_certid(ckchs, (unsigned char*)key, &key_length) < 0)
goto end_no_putchk;
if (ssl_get_ocspresponse_detail(key, out))
goto end_no_putchk;
}
if (applet_putchk(appctx, out) == -1)
goto yield;
end_no_putchk:
free_trash_chunk(out);
return 1;
yield:
free_trash_chunk(out);
return 0; /* should come back */
#else
return cli_err(appctx, "HAProxy was compiled against a version of OpenSSL that doesn't support OCSP stapling.\n");
#endif
}
/* parsing function for 'show ssl cert [certfile]' */
static int cli_parse_show_cert(char **args, char *payload, struct appctx *appctx, void *private)
{
struct show_cert_ctx *ctx = applet_reserve_svcctx(appctx, sizeof(*ctx));
struct ckch_store *ckchs;
if (!cli_has_level(appctx, ACCESS_LVL_OPER))
return cli_err(appctx, "Can't allocate memory!\n");
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't show!\nOperations on certificates are currently locked!\n");
/* check if there is a certificate to lookup */
if (*args[3]) {
int show_ocsp_detail = 0;
int from_transaction = 0;
char *end;
/* We manage the special case "certname.ocsp" through which we
* can show the details of an OCSP response. */
end = strrchr(args[3], '.');
if (end && strcmp(end+1, "ocsp") == 0) {
*end = '\0';
show_ocsp_detail = 1;
}
if (*args[3] == '*') {
from_transaction = 1;
if (!ckchs_transaction.new_ckchs)
goto error;
ckchs = ckchs_transaction.new_ckchs;
if (strcmp(args[3] + 1, ckchs->path) != 0)
goto error;
} else {
if ((ckchs = ckchs_lookup(args[3])) == NULL)
goto error;
}
ctx->cur_ckchs = ckchs;
/* use the IO handler that shows details */
if (show_ocsp_detail) {
ctx->transaction = from_transaction;
appctx->io_handler = cli_io_handler_show_cert_ocsp_detail;
}
else
appctx->io_handler = cli_io_handler_show_cert_detail;
}
return 0;
error:
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_err(appctx, "Can't display the certificate: Not found or the certificate is a bundle!\n");
}
/* release function of the `set ssl cert' command, free things and unlock the spinlock */
static void cli_release_commit_cert(struct appctx *appctx)
{
struct commit_cert_ctx *ctx = appctx->svcctx;
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
/* free every new sni_ctx and the new store, which are not in the trees so no spinlock there */
if (ctx->new_ckchs)
ckch_store_free(ctx->new_ckchs);
ha_free(&ctx->err);
}
/*
* Rebuild a new instance 'new_inst' based on an old instance 'ckchi' and a
* specific ckch_store.
* Returns 0 in case of success, 1 otherwise.
*/
int ckch_inst_rebuild(struct ckch_store *ckch_store, struct ckch_inst *ckchi,
struct ckch_inst **new_inst, char **err)
{
int retval = 0;
int errcode = 0;
struct sni_ctx *sc0, *sc0s;
char **sni_filter = NULL;
int fcount = 0;
if (ckchi->crtlist_entry) {
sni_filter = ckchi->crtlist_entry->filters;
fcount = ckchi->crtlist_entry->fcount;
}
if (ckchi->is_server_instance)
errcode |= ckch_inst_new_load_srv_store(ckch_store->path, ckch_store, new_inst, err);
else
errcode |= ckch_inst_new_load_store(ckch_store->path, ckch_store, ckchi->bind_conf, ckchi->ssl_conf, sni_filter, fcount, new_inst, err);
if (errcode & ERR_CODE)
return 1;
/* if the previous ckchi was used as the default */
if (ckchi->is_default)
(*new_inst)->is_default = 1;
(*new_inst)->is_server_instance = ckchi->is_server_instance;
(*new_inst)->server = ckchi->server;
/* Create a new SSL_CTX and link it to the new instance. */
if ((*new_inst)->is_server_instance) {
retval = ssl_sock_prep_srv_ctx_and_inst(ckchi->server, (*new_inst)->ctx, (*new_inst));
if (retval)
return 1;
}
/* create the link to the crtlist_entry */
(*new_inst)->crtlist_entry = ckchi->crtlist_entry;
/* we need to initialize the SSL_CTX generated */
/* this iterate on the newly generated SNIs in the new instance to prepare their SSL_CTX */
list_for_each_entry_safe(sc0, sc0s, &(*new_inst)->sni_ctx, by_ckch_inst) {
if (!sc0->order) { /* we initialized only the first SSL_CTX because it's the same in the other sni_ctx's */
errcode |= ssl_sock_prep_ctx_and_inst(ckchi->bind_conf, ckchi->ssl_conf, sc0->ctx, *new_inst, err);
if (errcode & ERR_CODE)
return 1;
}
}
return 0;
}
/*
* Load all the new SNIs of a newly built ckch instance in the trees, or replace
* a server's main ckch instance.
*/
static void __ssl_sock_load_new_ckch_instance(struct ckch_inst *ckchi)
{
/* The bind_conf will be null on server ckch_instances. */
if (ckchi->is_server_instance) {
int i;
/* a lock is needed here since we have to free the SSL cache */
HA_RWLOCK_WRLOCK(SSL_SERVER_LOCK, &ckchi->server->ssl_ctx.lock);
/* free the server current SSL_CTX */
SSL_CTX_free(ckchi->server->ssl_ctx.ctx);
/* Actual ssl context update */
SSL_CTX_up_ref(ckchi->ctx);
ckchi->server->ssl_ctx.ctx = ckchi->ctx;
ckchi->server->ssl_ctx.inst = ckchi;
/* flush the session cache of the server */
for (i = 0; i < global.nbthread; i++) {
ha_free(&ckchi->server->ssl_ctx.reused_sess[i].sni);
ha_free(&ckchi->server->ssl_ctx.reused_sess[i].ptr);
}
HA_RWLOCK_WRUNLOCK(SSL_SERVER_LOCK, &ckchi->server->ssl_ctx.lock);
} else {
HA_RWLOCK_WRLOCK(SNI_LOCK, &ckchi->bind_conf->sni_lock);
ssl_sock_load_cert_sni(ckchi, ckchi->bind_conf);
HA_RWLOCK_WRUNLOCK(SNI_LOCK, &ckchi->bind_conf->sni_lock);
}
}
/*
* Delete a ckch instance that was replaced after a CLI command.
*/
static void __ckch_inst_free_locked(struct ckch_inst *ckchi)
{
if (ckchi->is_server_instance) {
/* no lock for servers */
ckch_inst_free(ckchi);
} else {
struct bind_conf __maybe_unused *bind_conf = ckchi->bind_conf;
HA_RWLOCK_WRLOCK(SNI_LOCK, &bind_conf->sni_lock);
ckch_inst_free(ckchi);
HA_RWLOCK_WRUNLOCK(SNI_LOCK, &bind_conf->sni_lock);
}
}
/* Replace a ckch_store in the ckch tree and insert the whole dependencies,
* then free the previous dependencies and store.
* Used in the case of a certificate update.
*
* Every dependencies must allocated before using this function.
*
* This function can't fail as it only update pointers, and does not alloc anything.
*
* /!\ This function must be used under the ckch lock. /!\
*
* - Insert every dependencies (SNI, crtlist_entry, ckch_inst, etc)
* - Delete the old ckch_store from the tree
* - Insert the new ckch_store
* - Free the old dependencies and the old ckch_store
*/
void ckch_store_replace(struct ckch_store *old_ckchs, struct ckch_store *new_ckchs)
{
struct crtlist_entry *entry;
struct ckch_inst *ckchi, *ckchis;
LIST_SPLICE(&new_ckchs->crtlist_entry, &old_ckchs->crtlist_entry);
list_for_each_entry(entry, &new_ckchs->crtlist_entry, by_ckch_store) {
ebpt_delete(&entry->node);
/* change the ptr and reinsert the node */
entry->node.key = new_ckchs;
ebpt_insert(&entry->crtlist->entries, &entry->node);
}
/* insert the new ckch_insts in the crtlist_entry */
list_for_each_entry(ckchi, &new_ckchs->ckch_inst, by_ckchs) {
if (ckchi->crtlist_entry)
LIST_INSERT(&ckchi->crtlist_entry->ckch_inst, &ckchi->by_crtlist_entry);
}
/* First, we insert every new SNIs in the trees, also replace the default_ctx */
list_for_each_entry_safe(ckchi, ckchis, &new_ckchs->ckch_inst, by_ckchs) {
__ssl_sock_load_new_ckch_instance(ckchi);
}
/* delete the old sni_ctx, the old ckch_insts and the ckch_store */
list_for_each_entry_safe(ckchi, ckchis, &old_ckchs->ckch_inst, by_ckchs) {
__ckch_inst_free_locked(ckchi);
}
ckch_store_free(old_ckchs);
ebst_insert(&ckchs_tree, &new_ckchs->node);
}
/*
* This function tries to create the new ckch_inst and their SNIs
*
* /!\ don't forget to update __hlua_ckch_commit() if you changes things there. /!\
*/
static int cli_io_handler_commit_cert(struct appctx *appctx)
{
struct commit_cert_ctx *ctx = appctx->svcctx;
struct stconn *sc = appctx_sc(appctx);
int y = 0;
struct ckch_store *old_ckchs, *new_ckchs = NULL;
struct ckch_inst *ckchi;
if (unlikely(sc_ic(sc)->flags & (CF_WRITE_ERROR|CF_SHUTW)))
goto end;
while (1) {
switch (ctx->state) {
case CERT_ST_INIT:
/* This state just print the update message */
chunk_printf(&trash, "Committing %s", ckchs_transaction.path);
if (applet_putchk(appctx, &trash) == -1)
goto yield;
ctx->state = CERT_ST_GEN;
__fallthrough;
case CERT_ST_GEN:
/*
* This state generates the ckch instances with their
* sni_ctxs and SSL_CTX.
*
* Since the SSL_CTX generation can be CPU consumer, we
* yield every 10 instances.
*/
old_ckchs = ctx->old_ckchs;
new_ckchs = ctx->new_ckchs;
/* get the next ckchi to regenerate */
ckchi = ctx->next_ckchi;
/* we didn't start yet, set it to the first elem */
if (ckchi == NULL)
ckchi = LIST_ELEM(old_ckchs->ckch_inst.n, typeof(ckchi), by_ckchs);
/* walk through the old ckch_inst and creates new ckch_inst using the updated ckchs */
list_for_each_entry_from(ckchi, &old_ckchs->ckch_inst, by_ckchs) {
struct ckch_inst *new_inst;
/* save the next ckchi to compute in case of yield */
ctx->next_ckchi = ckchi;
/* it takes a lot of CPU to creates SSL_CTXs, so we yield every 10 CKCH instances */
if (y >= 10) {
applet_have_more_data(appctx); /* let's come back later */
goto yield;
}
/* display one dot per new instance */
if (applet_putstr(appctx, ".") == -1)
goto yield;
ctx->err = NULL;
if (ckch_inst_rebuild(new_ckchs, ckchi, &new_inst, &ctx->err)) {
ctx->state = CERT_ST_ERROR;
goto error;
}
/* link the new ckch_inst to the duplicate */
LIST_APPEND(&new_ckchs->ckch_inst, &new_inst->by_ckchs);
y++;
}
ctx->state = CERT_ST_INSERT;
__fallthrough;
case CERT_ST_INSERT:
/* The generation is finished, we can insert everything */
old_ckchs = ctx->old_ckchs;
new_ckchs = ctx->new_ckchs;
/* insert everything and remove the previous objects */
ckch_store_replace(old_ckchs, new_ckchs);
ctx->new_ckchs = ctx->old_ckchs = NULL;
ctx->state = CERT_ST_SUCCESS;
__fallthrough;
case CERT_ST_SUCCESS:
if (applet_putstr(appctx, "\nSuccess!\n") == -1)
goto yield;
ctx->state = CERT_ST_FIN;
__fallthrough;
case CERT_ST_FIN:
/* we achieved the transaction, we can set everything to NULL */
ckchs_transaction.new_ckchs = NULL;
ckchs_transaction.old_ckchs = NULL;
ckchs_transaction.path = NULL;
goto end;
case CERT_ST_ERROR:
error:
chunk_printf(&trash, "\n%sFailed!\n", ctx->err);
if (applet_putchk(appctx, &trash) == -1)
goto yield;
ctx->state = CERT_ST_FIN;
break;
}
}
end:
/* success: call the release function and don't come back */
return 1;
yield:
return 0; /* should come back */
}
/*
* Parsing function of 'commit ssl cert'
*/
static int cli_parse_commit_cert(char **args, char *payload, struct appctx *appctx, void *private)
{
struct commit_cert_ctx *ctx = applet_reserve_svcctx(appctx, sizeof(*ctx));
char *err = NULL;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
if (!*args[3])
return cli_err(appctx, "'commit ssl cert expects a filename\n");
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't commit the certificate!\nOperations on certificates are currently locked!\n");
if (!ckchs_transaction.path) {
memprintf(&err, "No ongoing transaction! !\n");
goto error;
}
if (strcmp(ckchs_transaction.path, args[3]) != 0) {
memprintf(&err, "The ongoing transaction is about '%s' but you are trying to set '%s'\n", ckchs_transaction.path, args[3]);
goto error;
}
/* if a certificate is here, a private key must be here too */
if (ckchs_transaction.new_ckchs->ckch->cert && !ckchs_transaction.new_ckchs->ckch->key) {
memprintf(&err, "The transaction must contain at least a certificate and a private key!\n");
goto error;
}
if (!X509_check_private_key(ckchs_transaction.new_ckchs->ckch->cert, ckchs_transaction.new_ckchs->ckch->key)) {
memprintf(&err, "inconsistencies between private key and certificate loaded '%s'.\n", ckchs_transaction.path);
goto error;
}
/* init the appctx structure */
ctx->state = CERT_ST_INIT;
ctx->next_ckchi = NULL;
ctx->new_ckchs = ckchs_transaction.new_ckchs;
ctx->old_ckchs = ckchs_transaction.old_ckchs;
/* we don't unlock there, it will be unlock after the IO handler, in the release handler */
return 0;
error:
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
err = memprintf(&err, "%sCan't commit %s!\n", err ? err : "", args[3]);
return cli_dynerr(appctx, err);
}
/*
* Parsing function of `set ssl cert`, it updates or creates a temporary ckch.
* It uses a set_cert_ctx context, and ckchs_transaction under a lock.
*/
static int cli_parse_set_cert(char **args, char *payload, struct appctx *appctx, void *private)
{
struct ckch_store *new_ckchs = NULL;
struct ckch_store *old_ckchs = NULL;
char *err = NULL;
int i;
int errcode = 0;
char *end;
struct cert_exts *cert_ext = &cert_exts[0]; /* default one, PEM */
struct cert_key_and_chain *ckch;
struct buffer *buf;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
if (!*args[3] || !payload)
return cli_err(appctx, "'set ssl cert expects a filename and a certificate as a payload\n");
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't update the certificate!\nOperations on certificates are currently locked!\n");
if ((buf = alloc_trash_chunk()) == NULL) {
memprintf(&err, "%sCan't allocate memory\n", err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
if (!chunk_strcpy(buf, args[3])) {
memprintf(&err, "%sCan't allocate memory\n", err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
/* check which type of file we want to update */
for (i = 0; cert_exts[i].ext != NULL; i++) {
end = strrchr(buf->area, '.');
if (end && *cert_exts[i].ext && (strcmp(end + 1, cert_exts[i].ext) == 0)) {
*end = '\0';
buf->data = strlen(buf->area);
cert_ext = &cert_exts[i];
break;
}
}
/* if there is an ongoing transaction */
if (ckchs_transaction.path) {
/* if there is an ongoing transaction, check if this is the same file */
if (strcmp(ckchs_transaction.path, buf->area) != 0) {
/* we didn't find the transaction, must try more cases below */
/* if the del-ext option is activated we should try to take a look at a ".crt" too. */
if (cert_ext->type != CERT_TYPE_PEM && global_ssl.extra_files_noext) {
if (!chunk_strcat(buf, ".crt")) {
memprintf(&err, "%sCan't allocate memory\n", err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
if (strcmp(ckchs_transaction.path, buf->area) != 0) {
/* remove .crt of the error message */
*(b_orig(buf) + b_data(buf) + strlen(".crt")) = '\0';
b_sub(buf, strlen(".crt"));
memprintf(&err, "The ongoing transaction is about '%s' but you are trying to set '%s'\n", ckchs_transaction.path, buf->area);
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
}
}
old_ckchs = ckchs_transaction.new_ckchs;
} else {
/* lookup for the certificate in the tree */
old_ckchs = ckchs_lookup(buf->area);
if (!old_ckchs) {
/* if the del-ext option is activated we should try to take a look at a ".crt" too. */
if (cert_ext->type != CERT_TYPE_PEM && global_ssl.extra_files_noext) {
if (!chunk_strcat(buf, ".crt")) {
memprintf(&err, "%sCan't allocate memory\n", err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
old_ckchs = ckchs_lookup(buf->area);
}
}
}
if (!old_ckchs) {
memprintf(&err, "%sCan't replace a certificate which is not referenced by the configuration!\n",
err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
/* duplicate the ckch store */
new_ckchs = ckchs_dup(old_ckchs);
if (!new_ckchs) {
memprintf(&err, "%sCannot allocate memory!\n",
err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
ckch = new_ckchs->ckch;
/* appply the change on the duplicate */
if (cert_ext->load(buf->area, payload, ckch, &err) != 0) {
memprintf(&err, "%sCan't load the payload\n", err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
/* we succeed, we can save the ckchs in the transaction */
/* if there wasn't a transaction, update the old ckchs */
if (!ckchs_transaction.old_ckchs) {
ckchs_transaction.old_ckchs = old_ckchs;
ckchs_transaction.path = old_ckchs->path;
err = memprintf(&err, "Transaction created for certificate %s!\n", ckchs_transaction.path);
} else {
err = memprintf(&err, "Transaction updated for certificate %s!\n", ckchs_transaction.path);
}
/* free the previous ckchs if there was a transaction */
ckch_store_free(ckchs_transaction.new_ckchs);
ckchs_transaction.new_ckchs = new_ckchs;
/* creates the SNI ctxs later in the IO handler */
end:
free_trash_chunk(buf);
if (errcode & ERR_CODE) {
ckch_store_free(new_ckchs);
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynerr(appctx, memprintf(&err, "%sCan't update %s!\n", err ? err : "", args[3]));
} else {
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynmsg(appctx, LOG_NOTICE, err);
}
/* TODO: handle the ERR_WARN which are not handled because of the io_handler */
}
/* parsing function of 'abort ssl cert' */
static int cli_parse_abort_cert(char **args, char *payload, struct appctx *appctx, void *private)
{
char *err = NULL;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
if (!*args[3])
return cli_err(appctx, "'abort ssl cert' expects a filename\n");
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't abort!\nOperations on certificates are currently locked!\n");
if (!ckchs_transaction.path) {
memprintf(&err, "No ongoing transaction!\n");
goto error;
}
if (strcmp(ckchs_transaction.path, args[3]) != 0) {
memprintf(&err, "The ongoing transaction is about '%s' but you are trying to abort a transaction for '%s'\n", ckchs_transaction.path, args[3]);
goto error;
}
/* Only free the ckchs there, because the SNI and instances were not generated yet */
ckch_store_free(ckchs_transaction.new_ckchs);
ckchs_transaction.new_ckchs = NULL;
ckchs_transaction.old_ckchs = NULL;
ckchs_transaction.path = NULL;
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
err = memprintf(&err, "Transaction aborted for certificate '%s'!\n", args[3]);
return cli_dynmsg(appctx, LOG_NOTICE, err);
error:
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynerr(appctx, err);
}
/* parsing function of 'new ssl cert' */
static int cli_parse_new_cert(char **args, char *payload, struct appctx *appctx, void *private)
{
struct ckch_store *store;
char *err = NULL;
char *path;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
if (!*args[3])
return cli_err(appctx, "'new ssl cert' expects a filename\n");
path = args[3];
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't create a certificate!\nOperations on certificates are currently locked!\n");
store = ckchs_lookup(path);
if (store != NULL) {
memprintf(&err, "Certificate '%s' already exists!\n", path);
store = NULL; /* we don't want to free it */
goto error;
}
/* we won't support multi-certificate bundle here */
store = ckch_store_new(path);
if (!store) {
memprintf(&err, "unable to allocate memory.\n");
goto error;
}
/* insert into the ckchs tree */
ebst_insert(&ckchs_tree, &store->node);
memprintf(&err, "New empty certificate store '%s'!\n", args[3]);
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynmsg(appctx, LOG_NOTICE, err);
error:
free(store);
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynerr(appctx, err);
}
/* parsing function of 'del ssl cert' */
static int cli_parse_del_cert(char **args, char *payload, struct appctx *appctx, void *private)
{
struct ckch_store *store;
char *err = NULL;
char *filename;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
if (!*args[3])
return cli_err(appctx, "'del ssl cert' expects a certificate name\n");
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't delete the certificate!\nOperations on certificates are currently locked!\n");
filename = args[3];
if (ckchs_transaction.path && strcmp(ckchs_transaction.path, filename) == 0) {
memprintf(&err, "ongoing transaction for the certificate '%s'", filename);
goto error;
}
store = ckchs_lookup(filename);
if (store == NULL) {
memprintf(&err, "certificate '%s' doesn't exist!\n", filename);
goto error;
}
if (!LIST_ISEMPTY(&store->ckch_inst)) {
memprintf(&err, "certificate '%s' in use, can't be deleted!\n", filename);
goto error;
}
ebmb_delete(&store->node);
ckch_store_free(store);
memprintf(&err, "Certificate '%s' deleted!\n", filename);
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynmsg(appctx, LOG_NOTICE, err);
error:
memprintf(&err, "Can't remove the certificate: %s\n", err ? err : "");
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynerr(appctx, err);
}
/* parsing function of 'new ssl ca-file' */
static int cli_parse_new_cafile(char **args, char *payload, struct appctx *appctx, void *private)
{
struct cafile_entry *cafile_entry;
char *err = NULL;
char *path;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
if (!*args[3])
return cli_err(appctx, "'new ssl ca-file' expects a filename\n");
path = args[3];
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't create a CA file!\nOperations on certificates are currently locked!\n");
cafile_entry = ssl_store_get_cafile_entry(path, 0);
if (cafile_entry) {
memprintf(&err, "CA file '%s' already exists!\n", path);
goto error;
}
cafile_entry = ssl_store_create_cafile_entry(path, NULL, CAFILE_CERT);
if (!cafile_entry) {
memprintf(&err, "%sCannot allocate memory!\n",
err ? err : "");
goto error;
}
/* Add the newly created cafile_entry to the tree so that
* any new ckch instance created from now can use it. */
if (ssl_store_add_uncommitted_cafile_entry(cafile_entry))
goto error;
memprintf(&err, "New CA file created '%s'!\n", path);
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynmsg(appctx, LOG_NOTICE, err);
error:
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynerr(appctx, err);
}
/*
* Parsing function of `set ssl ca-file`
*/
static int cli_parse_set_cafile(char **args, char *payload, struct appctx *appctx, void *private)
{
struct cafile_entry *old_cafile_entry = NULL;
struct cafile_entry *new_cafile_entry = NULL;
char *err = NULL;
int errcode = 0;
struct buffer *buf;
int add_cmd = 0;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
/* this is "add ssl ca-file" */
if (*args[0] == 'a')
add_cmd = 1;
if (!*args[3] || !payload)
return cli_err(appctx, "'set ssl ca-file expects a filename and CAs as a payload\n");
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't update the CA file!\nOperations on certificates are currently locked!\n");
if ((buf = alloc_trash_chunk()) == NULL) {
memprintf(&err, "%sCan't allocate memory\n", err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
if (!chunk_strcpy(buf, args[3])) {
memprintf(&err, "%sCan't allocate memory\n", err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
old_cafile_entry = NULL;
new_cafile_entry = NULL;
/* if there is an ongoing transaction */
if (cafile_transaction.path) {
/* if there is an ongoing transaction, check if this is the same file */
if (strcmp(cafile_transaction.path, buf->area) != 0) {
memprintf(&err, "The ongoing transaction is about '%s' but you are trying to set '%s'\n", cafile_transaction.path, buf->area);
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
old_cafile_entry = cafile_transaction.old_cafile_entry;
} else {
/* lookup for the certificate in the tree */
old_cafile_entry = ssl_store_get_cafile_entry(buf->area, 0);
}
if (!old_cafile_entry) {
memprintf(&err, "%sCan't replace a CA file which is not referenced by the configuration!\n",
err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
/* if the transaction is new, duplicate the old_ca_file_entry, otherwise duplicate the cafile in the current transaction */
if (cafile_transaction.new_cafile_entry)
new_cafile_entry = ssl_store_dup_cafile_entry(cafile_transaction.new_cafile_entry);
else
new_cafile_entry = ssl_store_dup_cafile_entry(old_cafile_entry);
if (!new_cafile_entry) {
memprintf(&err, "%sCan't allocate memory\n", err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
/* Fill the new entry with the new CAs. The add_cmd variable determine
if we flush the X509_STORE or not */
if (ssl_store_load_ca_from_buf(new_cafile_entry, payload, add_cmd)) {
memprintf(&err, "%sInvalid payload\n", err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
/* we succeed, we can save the ca in the transaction */
/* if there wasn't a transaction, update the old CA */
if (!cafile_transaction.old_cafile_entry) {
cafile_transaction.old_cafile_entry = old_cafile_entry;
cafile_transaction.path = old_cafile_entry->path;
err = memprintf(&err, "transaction created for CA %s!\n", cafile_transaction.path);
} else {
err = memprintf(&err, "transaction updated for CA %s!\n", cafile_transaction.path);
}
/* free the previous CA if there was a transaction */
ssl_store_delete_cafile_entry(cafile_transaction.new_cafile_entry);
cafile_transaction.new_cafile_entry = new_cafile_entry;
/* creates the SNI ctxs later in the IO handler */
end:
free_trash_chunk(buf);
if (errcode & ERR_CODE) {
ssl_store_delete_cafile_entry(new_cafile_entry);
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynerr(appctx, memprintf(&err, "%sCan't update %s!\n", err ? err : "", args[3]));
} else {
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynmsg(appctx, LOG_NOTICE, err);
}
}
/*
* Parsing function of 'commit ssl ca-file'.
* It uses a commit_cacrlfile_ctx that's also shared with "commit ssl crl-file".
*/
static int cli_parse_commit_cafile(char **args, char *payload, struct appctx *appctx, void *private)
{
struct commit_cacrlfile_ctx *ctx = applet_reserve_svcctx(appctx, sizeof(*ctx));
char *err = NULL;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
if (!*args[3])
return cli_err(appctx, "'commit ssl ca-file expects a filename\n");
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't commit the CA file!\nOperations on certificates are currently locked!\n");
if (!cafile_transaction.path) {
memprintf(&err, "No ongoing transaction! !\n");
goto error;
}
if (strcmp(cafile_transaction.path, args[3]) != 0) {
memprintf(&err, "The ongoing transaction is about '%s' but you are trying to set '%s'\n", cafile_transaction.path, args[3]);
goto error;
}
/* init the appctx structure */
ctx->state = CACRL_ST_INIT;
ctx->next_ckchi_link = NULL;
ctx->old_entry = cafile_transaction.old_cafile_entry;
ctx->new_entry = cafile_transaction.new_cafile_entry;
ctx->cafile_type = CAFILE_CERT;
return 0;
error:
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
err = memprintf(&err, "%sCan't commit %s!\n", err ? err : "", args[3]);
return cli_dynerr(appctx, err);
}
/*
* This function tries to create new ckch instances and their SNIs using a newly
* set certificate authority (CA file) or a newly set Certificate Revocation
* List (CRL), depending on the command being called.
*/
static int cli_io_handler_commit_cafile_crlfile(struct appctx *appctx)
{
struct commit_cacrlfile_ctx *ctx = appctx->svcctx;
struct stconn *sc = appctx_sc(appctx);
int y = 0;
struct cafile_entry *old_cafile_entry = ctx->old_entry;
struct cafile_entry *new_cafile_entry = ctx->new_entry;
struct ckch_inst_link *ckchi_link;
char *path;
if (unlikely(sc_ic(sc)->flags & (CF_WRITE_ERROR|CF_SHUTW)))
goto end;
/* The ctx was already validated by the ca-file/crl-file parsing
* function. Entries can only be NULL in CACRL_ST_SUCCESS or
* CACRL_ST_FIN states
*/
switch (ctx->cafile_type) {
case CAFILE_CERT:
path = cafile_transaction.path;
break;
case CAFILE_CRL:
path = crlfile_transaction.path;
break;
default:
path = NULL;
goto error;
}
while (1) {
switch (ctx->state) {
case CACRL_ST_INIT:
/* This state just print the update message */
chunk_printf(&trash, "Committing %s", path);
if (applet_putchk(appctx, &trash) == -1)
goto yield;
ctx->state = CACRL_ST_GEN;
__fallthrough;
case CACRL_ST_GEN:
/*
* This state generates the ckch instances with their
* sni_ctxs and SSL_CTX.
*
* Since the SSL_CTX generation can be CPU consumer, we
* yield every 10 instances.
*/
/* get the next ckchi to regenerate */
ckchi_link = ctx->next_ckchi_link;
/* we didn't start yet, set it to the first elem */
if (ckchi_link == NULL) {
ckchi_link = LIST_ELEM(old_cafile_entry->ckch_inst_link.n, typeof(ckchi_link), list);
/* Add the newly created cafile_entry to the tree so that
* any new ckch instance created from now can use it. */
if (ssl_store_add_uncommitted_cafile_entry(new_cafile_entry)) {
ctx->state = CACRL_ST_ERROR;
goto error;
}
}
list_for_each_entry_from(ckchi_link, &old_cafile_entry->ckch_inst_link, list) {
struct ckch_inst *new_inst;
/* save the next ckchi to compute */
ctx->next_ckchi_link = ckchi_link;
/* it takes a lot of CPU to creates SSL_CTXs, so we yield every 10 CKCH instances */
if (y >= 10) {
applet_have_more_data(appctx); /* let's come back later */
goto yield;
}
/* display one dot per new instance */
if (applet_putstr(appctx, ".") == -1)
goto yield;
/* Rebuild a new ckch instance that uses the same ckch_store
* than a reference ckchi instance but will use a new CA file. */
ctx->err = NULL;
if (ckch_inst_rebuild(ckchi_link->ckch_inst->ckch_store, ckchi_link->ckch_inst, &new_inst, &ctx->err)) {
ctx->state = CACRL_ST_ERROR;
goto error;
}
y++;
}
ctx->state = CACRL_ST_INSERT;
__fallthrough;
case CACRL_ST_INSERT:
/* The generation is finished, we can insert everything */
/* insert the new ckch_insts in the crtlist_entry */
list_for_each_entry(ckchi_link, &new_cafile_entry->ckch_inst_link, list) {
if (ckchi_link->ckch_inst->crtlist_entry)
LIST_INSERT(&ckchi_link->ckch_inst->crtlist_entry->ckch_inst,
&ckchi_link->ckch_inst->by_crtlist_entry);
}
/* First, we insert every new SNIs in the trees, also replace the default_ctx */
list_for_each_entry(ckchi_link, &new_cafile_entry->ckch_inst_link, list) {
__ssl_sock_load_new_ckch_instance(ckchi_link->ckch_inst);
}
/* delete the old sni_ctx, the old ckch_insts
* and the ckch_store. ckch_inst_free() also
* manipulates the list so it's cleaner to loop
* until it's empty */
while (!LIST_ISEMPTY(&old_cafile_entry->ckch_inst_link)) {
ckchi_link = LIST_ELEM(old_cafile_entry->ckch_inst_link.n, typeof(ckchi_link), list);
LIST_DEL_INIT(&ckchi_link->list); /* must reinit because ckch_inst checks the list */
__ckch_inst_free_locked(ckchi_link->ckch_inst);
free(ckchi_link);
}
/* Remove the old cafile entry from the tree */
ebmb_delete(&old_cafile_entry->node);
ssl_store_delete_cafile_entry(old_cafile_entry);
ctx->old_entry = ctx->new_entry = NULL;
ctx->state = CACRL_ST_SUCCESS;
__fallthrough;
case CACRL_ST_SUCCESS:
if (applet_putstr(appctx, "\nSuccess!\n") == -1)
goto yield;
ctx->state = CACRL_ST_FIN;
__fallthrough;
case CACRL_ST_FIN:
/* we achieved the transaction, we can set everything to NULL */
switch (ctx->cafile_type) {
case CAFILE_CERT:
cafile_transaction.old_cafile_entry = NULL;
cafile_transaction.new_cafile_entry = NULL;
cafile_transaction.path = NULL;
break;
case CAFILE_CRL:
crlfile_transaction.old_crlfile_entry = NULL;
crlfile_transaction.new_crlfile_entry = NULL;
crlfile_transaction.path = NULL;
break;
}
goto end;
case CACRL_ST_ERROR:
error:
chunk_printf(&trash, "\n%sFailed!\n", ctx->err);
if (applet_putchk(appctx, &trash) == -1)
goto yield;
ctx->state = CACRL_ST_FIN;
break;
}
}
end:
/* success: call the release function and don't come back */
return 1;
yield:
return 0; /* should come back */
}
/* parsing function of 'abort ssl ca-file' */
static int cli_parse_abort_cafile(char **args, char *payload, struct appctx *appctx, void *private)
{
char *err = NULL;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
if (!*args[3])
return cli_err(appctx, "'abort ssl ca-file' expects a filename\n");
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't abort!\nOperations on certificates are currently locked!\n");
if (!cafile_transaction.path) {
memprintf(&err, "No ongoing transaction!\n");
goto error;
}
if (strcmp(cafile_transaction.path, args[3]) != 0) {
memprintf(&err, "The ongoing transaction is about '%s' but you are trying to abort a transaction for '%s'\n", cafile_transaction.path, args[3]);
goto error;
}
/* Only free the uncommitted cafile_entry here, because the SNI and instances were not generated yet */
ssl_store_delete_cafile_entry(cafile_transaction.new_cafile_entry);
cafile_transaction.new_cafile_entry = NULL;
cafile_transaction.old_cafile_entry = NULL;
cafile_transaction.path = NULL;
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
err = memprintf(&err, "Transaction aborted for certificate '%s'!\n", args[3]);
return cli_dynmsg(appctx, LOG_NOTICE, err);
error:
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynerr(appctx, err);
}
/* release function of the `commit ssl ca-file' command, free things and unlock the spinlock.
* It uses a commit_cacrlfile_ctx context.
*/
static void cli_release_commit_cafile(struct appctx *appctx)
{
struct commit_cacrlfile_ctx *ctx = appctx->svcctx;
struct cafile_entry *new_cafile_entry = ctx->new_entry;
/* Remove the uncommitted cafile_entry from the tree. */
if (new_cafile_entry) {
ebmb_delete(&new_cafile_entry->node);
ssl_store_delete_cafile_entry(new_cafile_entry);
}
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
ha_free(&ctx->err);
}
/* IO handler of details "show ssl ca-file <filename[:index]>".
* It uses a show_cafile_ctx context, and the global
* cafile_transaction.new_cafile_entry in read-only.
*/
static int cli_io_handler_show_cafile_detail(struct appctx *appctx)
{
struct show_cafile_ctx *ctx = appctx->svcctx;
struct cafile_entry *cafile_entry = ctx->cur_cafile_entry;
struct buffer *out = alloc_trash_chunk();
int i = 0;
X509 *cert;
STACK_OF(X509_OBJECT) *objs;
int retval = 0;
int ca_index = ctx->ca_index;
int show_all = ctx->show_all;
if (!out)
goto end_no_putchk;
chunk_appendf(out, "Filename: ");
if (cafile_entry == cafile_transaction.new_cafile_entry)
chunk_appendf(out, "*");
chunk_appendf(out, "%s\n", cafile_entry->path);
chunk_appendf(out, "Status: ");
if (!cafile_entry->ca_store)
chunk_appendf(out, "Empty\n");
else if (LIST_ISEMPTY(&cafile_entry->ckch_inst_link))
chunk_appendf(out, "Unused\n");
else
chunk_appendf(out, "Used\n");
if (!cafile_entry->ca_store)
goto end;
objs = X509_STORE_get0_objects(cafile_entry->ca_store);
for (i = ca_index; i < sk_X509_OBJECT_num(objs); i++) {
cert = X509_OBJECT_get0_X509(sk_X509_OBJECT_value(objs, i));
if (!cert)
continue;
/* file starts at line 1 */
chunk_appendf(out, " \nCertificate #%d:\n", i+1);
retval = show_cert_detail(cert, NULL, out);
if (retval < 0)
goto end_no_putchk;
else if (retval)
goto yield;
if (applet_putchk(appctx, out) == -1)
goto yield;
if (!show_all) /* only need to dump one certificate */
goto end;
}
end:
free_trash_chunk(out);
return 1; /* end, don't come back */
end_no_putchk:
free_trash_chunk(out);
return 1;
yield:
/* save the current state */
ctx->ca_index = i;
free_trash_chunk(out);
return 0; /* should come back */
}
/* parsing function for 'show ssl ca-file [cafile[:index]]'.
* It prepares a show_cafile_ctx context, and checks the global
* cafile_transaction under the ckch_lock (read only).
*/
static int cli_parse_show_cafile(char **args, char *payload, struct appctx *appctx, void *private)
{
struct show_cafile_ctx *ctx = applet_reserve_svcctx(appctx, sizeof(*ctx));
struct cafile_entry *cafile_entry;
int ca_index = 0;
char *colons;
char *err = NULL;
if (!cli_has_level(appctx, ACCESS_LVL_OPER))
return cli_err(appctx, "Can't allocate memory!\n");
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't show!\nOperations on certificates are currently locked!\n");
ctx->show_all = 1; /* show all certificates */
ctx->ca_index = 0;
/* check if there is a certificate to lookup */
if (*args[3]) {
/* Look for an optional CA index after the CA file name */
colons = strchr(args[3], ':');
if (colons) {
char *endptr;
ca_index = strtol(colons + 1, &endptr, 10);
/* Indexes start at 1 */
if (colons + 1 == endptr || *endptr != '\0' || ca_index <= 0) {
memprintf(&err, "wrong CA index after colons in '%s'!", args[3]);
goto error;
}
*colons = '\0';
ctx->ca_index = ca_index - 1; /* we start counting at 0 in the ca_store, but at 1 on the CLI */
ctx->show_all = 0; /* show only one certificate */
}
if (*args[3] == '*') {
if (!cafile_transaction.new_cafile_entry)
goto error;
cafile_entry = cafile_transaction.new_cafile_entry;
if (strcmp(args[3] + 1, cafile_entry->path) != 0)
goto error;
} else {
/* Get the "original" cafile_entry and not the
* uncommitted one if it exists. */
if ((cafile_entry = ssl_store_get_cafile_entry(args[3], 1)) == NULL || cafile_entry->type != CAFILE_CERT)
goto error;
}
ctx->cur_cafile_entry = cafile_entry;
/* use the IO handler that shows details */
appctx->io_handler = cli_io_handler_show_cafile_detail;
}
return 0;
error:
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
if (err)
return cli_dynerr(appctx, err);
return cli_err(appctx, "Can't display the CA file : Not found!\n");
}
/* release function of the 'show ssl ca-file' command */
static void cli_release_show_cafile(struct appctx *appctx)
{
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
}
/* This function returns the number of certificates in a cafile_entry. */
static int get_certificate_count(struct cafile_entry *cafile_entry)
{
int cert_count = 0;
STACK_OF(X509_OBJECT) *objs;
if (cafile_entry && cafile_entry->ca_store) {
objs = X509_STORE_get0_objects(cafile_entry->ca_store);
if (objs)
cert_count = sk_X509_OBJECT_num(objs);
}
return cert_count;
}
/* IO handler of "show ssl ca-file". The command taking a specific CA file name
* is managed in cli_io_handler_show_cafile_detail.
* It uses a show_cafile_ctx and the global cafile_transaction.new_cafile_entry
* in read-only.
*/
static int cli_io_handler_show_cafile(struct appctx *appctx)
{
struct show_cafile_ctx *ctx = appctx->svcctx;
struct buffer *trash = alloc_trash_chunk();
struct ebmb_node *node;
struct cafile_entry *cafile_entry = NULL;
if (trash == NULL)
return 1;
if (!ctx->old_cafile_entry && cafile_transaction.old_cafile_entry) {
chunk_appendf(trash, "# transaction\n");
chunk_appendf(trash, "*%s", cafile_transaction.old_cafile_entry->path);
chunk_appendf(trash, " - %d certificate(s)\n", get_certificate_count(cafile_transaction.new_cafile_entry));
if (applet_putchk(appctx, trash) == -1)
goto yield;
ctx->old_cafile_entry = cafile_transaction.new_cafile_entry;
}
/* First time in this io_handler. */
if (!ctx->cur_cafile_entry) {
chunk_appendf(trash, "# filename\n");
node = ebmb_first(&cafile_tree);
} else {
/* We yielded during a previous call. */
node = &ctx->cur_cafile_entry->node;
}
while (node) {
cafile_entry = ebmb_entry(node, struct cafile_entry, node);
if (cafile_entry->type == CAFILE_CERT) {
chunk_appendf(trash, "%s", cafile_entry->path);
chunk_appendf(trash, " - %d certificate(s)\n", get_certificate_count(cafile_entry));
}
node = ebmb_next(node);
if (applet_putchk(appctx, trash) == -1)
goto yield;
}
ctx->cur_cafile_entry = NULL;
free_trash_chunk(trash);
return 1;
yield:
free_trash_chunk(trash);
ctx->cur_cafile_entry = cafile_entry;
return 0; /* should come back */
}
/* parsing function of 'del ssl ca-file' */
static int cli_parse_del_cafile(char **args, char *payload, struct appctx *appctx, void *private)
{
struct cafile_entry *cafile_entry;
char *err = NULL;
char *filename;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
if (!*args[3])
return cli_err(appctx, "'del ssl ca-file' expects a CA file name\n");
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't delete the CA file!\nOperations on certificates are currently locked!\n");
filename = args[3];
if (cafile_transaction.path && strcmp(cafile_transaction.path, filename) == 0) {
memprintf(&err, "ongoing transaction for the CA file '%s'", filename);
goto error;
}
cafile_entry = ssl_store_get_cafile_entry(filename, 0);
if (!cafile_entry) {
memprintf(&err, "CA file '%s' doesn't exist!\n", filename);
goto error;
}
if (!LIST_ISEMPTY(&cafile_entry->ckch_inst_link)) {
memprintf(&err, "CA file '%s' in use, can't be deleted!\n", filename);
goto error;
}
/* Remove the cafile_entry from the tree */
ebmb_delete(&cafile_entry->node);
ssl_store_delete_cafile_entry(cafile_entry);
memprintf(&err, "CA file '%s' deleted!\n", filename);
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynmsg(appctx, LOG_NOTICE, err);
error:
memprintf(&err, "Can't remove the CA file: %s\n", err ? err : "");
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynerr(appctx, err);
}
/* parsing function of 'new ssl crl-file' */
static int cli_parse_new_crlfile(char **args, char *payload, struct appctx *appctx, void *private)
{
struct cafile_entry *cafile_entry;
char *err = NULL;
char *path;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
if (!*args[3])
return cli_err(appctx, "'new ssl crl-file' expects a filename\n");
path = args[3];
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't create a CRL file!\nOperations on certificates are currently locked!\n");
cafile_entry = ssl_store_get_cafile_entry(path, 0);
if (cafile_entry) {
memprintf(&err, "CRL file '%s' already exists!\n", path);
goto error;
}
cafile_entry = ssl_store_create_cafile_entry(path, NULL, CAFILE_CRL);
if (!cafile_entry) {
memprintf(&err, "%sCannot allocate memory!\n", err ? err : "");
goto error;
}
/* Add the newly created cafile_entry to the tree so that
* any new ckch instance created from now can use it. */
if (ssl_store_add_uncommitted_cafile_entry(cafile_entry))
goto error;
memprintf(&err, "New CRL file created '%s'!\n", path);
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynmsg(appctx, LOG_NOTICE, err);
error:
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynerr(appctx, err);
}
/* Parsing function of `set ssl crl-file` */
static int cli_parse_set_crlfile(char **args, char *payload, struct appctx *appctx, void *private)
{
struct cafile_entry *old_crlfile_entry = NULL;
struct cafile_entry *new_crlfile_entry = NULL;
char *err = NULL;
int errcode = 0;
struct buffer *buf;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
if (!*args[3] || !payload)
return cli_err(appctx, "'set ssl crl-file expects a filename and CRLs as a payload\n");
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't update the CRL file!\nOperations on certificates are currently locked!\n");
if ((buf = alloc_trash_chunk()) == NULL) {
memprintf(&err, "%sCan't allocate memory\n", err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
if (!chunk_strcpy(buf, args[3])) {
memprintf(&err, "%sCan't allocate memory\n", err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
old_crlfile_entry = NULL;
new_crlfile_entry = NULL;
/* if there is an ongoing transaction */
if (crlfile_transaction.path) {
/* if there is an ongoing transaction, check if this is the same file */
if (strcmp(crlfile_transaction.path, buf->area) != 0) {
memprintf(&err, "The ongoing transaction is about '%s' but you are trying to set '%s'\n", crlfile_transaction.path, buf->area);
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
old_crlfile_entry = crlfile_transaction.old_crlfile_entry;
}
else {
/* lookup for the certificate in the tree */
old_crlfile_entry = ssl_store_get_cafile_entry(buf->area, 0);
}
if (!old_crlfile_entry) {
memprintf(&err, "%sCan't replace a CRL file which is not referenced by the configuration!\n",
err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
/* Create a new cafile_entry without adding it to the cafile tree. */
new_crlfile_entry = ssl_store_create_cafile_entry(old_crlfile_entry->path, NULL, CAFILE_CRL);
if (!new_crlfile_entry) {
memprintf(&err, "%sCannot allocate memory!\n", err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
/* Fill the new entry with the new CRL. */
if (ssl_store_load_ca_from_buf(new_crlfile_entry, payload, 0)) {
memprintf(&err, "%sInvalid payload\n", err ? err : "");
errcode |= ERR_ALERT | ERR_FATAL;
goto end;
}
/* we succeed, we can save the crl in the transaction */
/* if there wasn't a transaction, update the old CRL */
if (!crlfile_transaction.old_crlfile_entry) {
crlfile_transaction.old_crlfile_entry = old_crlfile_entry;
crlfile_transaction.path = old_crlfile_entry->path;
err = memprintf(&err, "transaction created for CRL %s!\n", crlfile_transaction.path);
} else {
err = memprintf(&err, "transaction updated for CRL %s!\n", crlfile_transaction.path);
}
/* free the previous CRL file if there was a transaction */
ssl_store_delete_cafile_entry(crlfile_transaction.new_crlfile_entry);
crlfile_transaction.new_crlfile_entry = new_crlfile_entry;
/* creates the SNI ctxs later in the IO handler */
end:
free_trash_chunk(buf);
if (errcode & ERR_CODE) {
ssl_store_delete_cafile_entry(new_crlfile_entry);
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynerr(appctx, memprintf(&err, "%sCan't update %s!\n", err ? err : "", args[3]));
} else {
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynmsg(appctx, LOG_NOTICE, err);
}
}
/* Parsing function of 'commit ssl crl-file'.
* It uses a commit_cacrlfile_ctx that's also shared with "commit ssl ca-file".
*/
static int cli_parse_commit_crlfile(char **args, char *payload, struct appctx *appctx, void *private)
{
struct commit_cacrlfile_ctx *ctx = applet_reserve_svcctx(appctx, sizeof(*ctx));
char *err = NULL;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
if (!*args[3])
return cli_err(appctx, "'commit ssl ca-file expects a filename\n");
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't commit the CRL file!\nOperations on certificates are currently locked!\n");
if (!crlfile_transaction.path) {
memprintf(&err, "No ongoing transaction! !\n");
goto error;
}
if (strcmp(crlfile_transaction.path, args[3]) != 0) {
memprintf(&err, "The ongoing transaction is about '%s' but you are trying to set '%s'\n", crlfile_transaction.path, args[3]);
goto error;
}
/* init the appctx structure */
ctx->state = CACRL_ST_INIT;
ctx->next_ckchi_link = NULL;
ctx->old_entry = crlfile_transaction.old_crlfile_entry;
ctx->new_entry = crlfile_transaction.new_crlfile_entry;
ctx->cafile_type = CAFILE_CRL;
return 0;
error:
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
err = memprintf(&err, "%sCan't commit %s!\n", err ? err : "", args[3]);
return cli_dynerr(appctx, err);
}
/* release function of the `commit ssl crl-file' command, free things and unlock the spinlock.
* it uses a commit_cacrlfile_ctx that's the same as for "commit ssl ca-file".
*/
static void cli_release_commit_crlfile(struct appctx *appctx)
{
struct commit_cacrlfile_ctx *ctx = appctx->svcctx;
struct cafile_entry *new_crlfile_entry = ctx->new_entry;
/* Remove the uncommitted cafile_entry from the tree. */
if (new_crlfile_entry) {
ebmb_delete(&new_crlfile_entry->node);
ssl_store_delete_cafile_entry(new_crlfile_entry);
}
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
ha_free(&ctx->err);
}
/* parsing function of 'del ssl crl-file' */
static int cli_parse_del_crlfile(char **args, char *payload, struct appctx *appctx, void *private)
{
struct cafile_entry *cafile_entry;
char *err = NULL;
char *filename;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
if (!*args[3])
return cli_err(appctx, "'del ssl crl-file' expects a CRL file name\n");
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't delete the CRL file!\nOperations on certificates are currently locked!\n");
filename = args[3];
if (crlfile_transaction.path && strcmp(crlfile_transaction.path, filename) == 0) {
memprintf(&err, "ongoing transaction for the CRL file '%s'", filename);
goto error;
}
cafile_entry = ssl_store_get_cafile_entry(filename, 0);
if (!cafile_entry) {
memprintf(&err, "CRL file '%s' doesn't exist!\n", filename);
goto error;
}
if (cafile_entry->type != CAFILE_CRL) {
memprintf(&err, "'del ssl crl-file' does not work on CA files!\n");
goto error;
}
if (!LIST_ISEMPTY(&cafile_entry->ckch_inst_link)) {
memprintf(&err, "CRL file '%s' in use, can't be deleted!\n", filename);
goto error;
}
/* Remove the cafile_entry from the tree */
ebmb_delete(&cafile_entry->node);
ssl_store_delete_cafile_entry(cafile_entry);
memprintf(&err, "CRL file '%s' deleted!\n", filename);
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynmsg(appctx, LOG_NOTICE, err);
error:
memprintf(&err, "Can't remove the CRL file: %s\n", err ? err : "");
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynerr(appctx, err);
}
/* parsing function of 'abort ssl crl-file' */
static int cli_parse_abort_crlfile(char **args, char *payload, struct appctx *appctx, void *private)
{
char *err = NULL;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
if (!*args[3])
return cli_err(appctx, "'abort ssl crl-file' expects a filename\n");
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't abort!\nOperations on certificates are currently locked!\n");
if (!crlfile_transaction.path) {
memprintf(&err, "No ongoing transaction!\n");
goto error;
}
if (strcmp(crlfile_transaction.path, args[3]) != 0) {
memprintf(&err, "The ongoing transaction is about '%s' but you are trying to abort a transaction for '%s'\n", crlfile_transaction.path, args[3]);
goto error;
}
/* Only free the uncommitted cafile_entry here, because the SNI and instances were not generated yet */
ssl_store_delete_cafile_entry(crlfile_transaction.new_crlfile_entry);
crlfile_transaction.new_crlfile_entry = NULL;
crlfile_transaction.old_crlfile_entry = NULL;
crlfile_transaction.path = NULL;
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
err = memprintf(&err, "Transaction aborted for certificate '%s'!\n", args[3]);
return cli_dynmsg(appctx, LOG_NOTICE, err);
error:
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
return cli_dynerr(appctx, err);
}
/*
* Display a Certificate Resignation List's information.
* The information displayed is inspired by the output of 'openssl crl -in
* crl.pem -text'.
* Returns 0 in case of success.
*/
static int show_crl_detail(X509_CRL *crl, struct buffer *out)
{
BIO *bio = NULL;
struct buffer *tmp = alloc_trash_chunk();
long version;
X509_NAME *issuer;
int write = -1;
#ifndef USE_OPENSSL_WOLFSSL
STACK_OF(X509_REVOKED) *rev = NULL;
X509_REVOKED *rev_entry = NULL;
int i;
#endif
if (!tmp)
return -1;
if ((bio = BIO_new(BIO_s_mem())) == NULL)
goto end;
/* Version (as displayed by 'openssl crl') */
version = X509_CRL_get_version(crl);
chunk_appendf(out, "Version %ld\n", version + 1);
/* Signature Algorithm */
chunk_appendf(out, "Signature Algorithm: %s\n", OBJ_nid2ln(X509_CRL_get_signature_nid(crl)));
/* Issuer */
chunk_appendf(out, "Issuer: ");
if ((issuer = X509_CRL_get_issuer(crl)) == NULL)
goto end;
if ((ssl_sock_get_dn_oneline(issuer, tmp)) == -1)
goto end;
*(tmp->area + tmp->data) = '\0';
chunk_appendf(out, "%s\n", tmp->area);
/* Last Update */
chunk_appendf(out, "Last Update: ");
chunk_reset(tmp);
if (BIO_reset(bio) == -1)
goto end;
if (ASN1_TIME_print(bio, X509_CRL_get0_lastUpdate(crl)) == 0)
goto end;
write = BIO_read(bio, tmp->area, tmp->size-1);
tmp->area[write] = '\0';
chunk_appendf(out, "%s\n", tmp->area);
/* Next Update */
chunk_appendf(out, "Next Update: ");
chunk_reset(tmp);
if (BIO_reset(bio) == -1)
goto end;
if (ASN1_TIME_print(bio, X509_CRL_get0_nextUpdate(crl)) == 0)
goto end;
write = BIO_read(bio, tmp->area, tmp->size-1);
tmp->area[write] = '\0';
chunk_appendf(out, "%s\n", tmp->area);
#ifndef USE_OPENSSL_WOLFSSL
/* Revoked Certificates */
rev = X509_CRL_get_REVOKED(crl);
if (sk_X509_REVOKED_num(rev) > 0)
chunk_appendf(out, "Revoked Certificates:\n");
else
chunk_appendf(out, "No Revoked Certificates.\n");
for (i = 0; i < sk_X509_REVOKED_num(rev); i++) {
rev_entry = sk_X509_REVOKED_value(rev, i);
/* Serial Number and Revocation Date */
if (BIO_reset(bio) == -1)
goto end;
BIO_printf(bio , " Serial Number: ");
i2a_ASN1_INTEGER(bio, (ASN1_INTEGER*)X509_REVOKED_get0_serialNumber(rev_entry));
BIO_printf(bio, "\n Revocation Date: ");
if (ASN1_TIME_print(bio, X509_REVOKED_get0_revocationDate(rev_entry)) == 0)
goto end;
BIO_printf(bio, "\n");
write = BIO_read(bio, tmp->area, tmp->size-1);
tmp->area[write] = '\0';
chunk_appendf(out, "%s", tmp->area);
}
#endif /* not USE_OPENSSL_WOLFSSL */
end:
free_trash_chunk(tmp);
if (bio)
BIO_free(bio);
return 0;
}
/* IO handler of details "show ssl crl-file <filename[:index]>".
* It uses show_crlfile_ctx and the global
* crlfile_transaction.new_cafile_entry in read-only.
*/
static int cli_io_handler_show_crlfile_detail(struct appctx *appctx)
{
struct show_crlfile_ctx *ctx = appctx->svcctx;
struct cafile_entry *cafile_entry = ctx->cafile_entry;
struct buffer *out = alloc_trash_chunk();
int i;
X509_CRL *crl;
STACK_OF(X509_OBJECT) *objs;
int retval = 0;
int index = ctx->index;
if (!out)
goto end_no_putchk;
chunk_appendf(out, "Filename: ");
if (cafile_entry == crlfile_transaction.new_crlfile_entry)
chunk_appendf(out, "*");
chunk_appendf(out, "%s\n", cafile_entry->path);
chunk_appendf(out, "Status: ");
if (!cafile_entry->ca_store)
chunk_appendf(out, "Empty\n");
else if (LIST_ISEMPTY(&cafile_entry->ckch_inst_link))
chunk_appendf(out, "Unused\n");
else
chunk_appendf(out, "Used\n");
if (!cafile_entry->ca_store)
goto end;
objs = X509_STORE_get0_objects(cafile_entry->ca_store);
for (i = 0; i < sk_X509_OBJECT_num(objs); i++) {
crl = X509_OBJECT_get0_X509_CRL(sk_X509_OBJECT_value(objs, i));
if (!crl)
continue;
/* CRL indexes start at 1 on the CLI output. */
if (index && index-1 != i)
continue;
chunk_appendf(out, " \nCertificate Revocation List #%d:\n", i+1);
retval = show_crl_detail(crl, out);
if (retval < 0)
goto end_no_putchk;
else if (retval || index)
goto end;
}
end:
if (applet_putchk(appctx, out) == -1)
goto yield;
end_no_putchk:
free_trash_chunk(out);
return 1;
yield:
free_trash_chunk(out);
return 0; /* should come back */
}
/* parsing function for 'show ssl crl-file [crlfile[:index]]'.
* It sets the context to a show_crlfile_ctx, and the global
* cafile_transaction.new_crlfile_entry under the ckch_lock.
*/
static int cli_parse_show_crlfile(char **args, char *payload, struct appctx *appctx, void *private)
{
struct show_crlfile_ctx *ctx = applet_reserve_svcctx(appctx, sizeof(*ctx));
struct cafile_entry *cafile_entry;
long index = 0;
char *colons;
char *err = NULL;
if (!cli_has_level(appctx, ACCESS_LVL_OPER))
return cli_err(appctx, "Can't allocate memory!\n");
/* The operations on the CKCH architecture are locked so we can
* manipulate ckch_store and ckch_inst */
if (HA_SPIN_TRYLOCK(CKCH_LOCK, &ckch_lock))
return cli_err(appctx, "Can't show!\nOperations on certificates are currently locked!\n");
/* check if there is a certificate to lookup */
if (*args[3]) {
/* Look for an optional index after the CRL file name */
colons = strchr(args[3], ':');
if (colons) {
char *endptr;
index = strtol(colons + 1, &endptr, 10);
/* Indexes start at 1 */
if (colons + 1 == endptr || *endptr != '\0' || index <= 0) {
memprintf(&err, "wrong CRL index after colons in '%s'!", args[3]);
goto error;
}
*colons = '\0';
}
if (*args[3] == '*') {
if (!crlfile_transaction.new_crlfile_entry)
goto error;
cafile_entry = crlfile_transaction.new_crlfile_entry;
if (strcmp(args[3] + 1, cafile_entry->path) != 0)
goto error;
} else {
/* Get the "original" cafile_entry and not the
* uncommitted one if it exists. */
if ((cafile_entry = ssl_store_get_cafile_entry(args[3], 1)) == NULL || cafile_entry->type != CAFILE_CRL)
goto error;
}
ctx->cafile_entry = cafile_entry;
ctx->index = index;
/* use the IO handler that shows details */
appctx->io_handler = cli_io_handler_show_crlfile_detail;
}
return 0;
error:
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
if (err)
return cli_dynerr(appctx, err);
return cli_err(appctx, "Can't display the CRL file : Not found!\n");
}
/* IO handler of "show ssl crl-file". The command taking a specific CRL file name
* is managed in cli_io_handler_show_crlfile_detail. */
static int cli_io_handler_show_crlfile(struct appctx *appctx)
{
struct show_crlfile_ctx *ctx = appctx->svcctx;
struct buffer *trash = alloc_trash_chunk();
struct ebmb_node *node;
struct cafile_entry *cafile_entry = NULL;
if (trash == NULL)
return 1;
if (!ctx->old_crlfile_entry && crlfile_transaction.old_crlfile_entry) {
chunk_appendf(trash, "# transaction\n");
chunk_appendf(trash, "*%s\n", crlfile_transaction.old_crlfile_entry->path);
if (applet_putchk(appctx, trash) == -1)
goto yield;
ctx->old_crlfile_entry = crlfile_transaction.old_crlfile_entry;
}
/* First time in this io_handler. */
if (!ctx->cafile_entry) {
chunk_appendf(trash, "# filename\n");
node = ebmb_first(&cafile_tree);
} else {
/* We yielded during a previous call. */
node = &ctx->cafile_entry->node;
}
while (node) {
cafile_entry = ebmb_entry(node, struct cafile_entry, node);
if (cafile_entry->type == CAFILE_CRL) {
chunk_appendf(trash, "%s\n", cafile_entry->path);
}
node = ebmb_next(node);
if (applet_putchk(appctx, trash) == -1)
goto yield;
}
ctx->cafile_entry = NULL;
free_trash_chunk(trash);
return 1;
yield:
free_trash_chunk(trash);
ctx->cafile_entry = cafile_entry;
return 0; /* should come back */
}
/* release function of the 'show ssl crl-file' command */
static void cli_release_show_crlfile(struct appctx *appctx)
{
HA_SPIN_UNLOCK(CKCH_LOCK, &ckch_lock);
}
void ckch_deinit()
{
struct eb_node *node, *next;
struct ckch_store *store;
struct ebmb_node *canode;
/* deinit the ckch stores */
node = eb_first(&ckchs_tree);
while (node) {
next = eb_next(node);
store = ebmb_entry(node, struct ckch_store, node);
ckch_store_free(store);
node = next;
}
/* deinit the ca-file store */
canode = ebmb_first(&cafile_tree);
while (canode) {
struct cafile_entry *entry = NULL;
entry = ebmb_entry(canode, struct cafile_entry, node);
canode = ebmb_next(canode);
ebmb_delete(&entry->node);
ssl_store_delete_cafile_entry(entry);
}
}
/* register cli keywords */
static struct cli_kw_list cli_kws = {{ },{
{ { "new", "ssl", "cert", NULL }, "new ssl cert <certfile> : create a new certificate file to be used in a crt-list or a directory", cli_parse_new_cert, NULL, NULL },
{ { "set", "ssl", "cert", NULL }, "set ssl cert <certfile> <payload> : replace a certificate file", cli_parse_set_cert, NULL, NULL },
{ { "commit", "ssl", "cert", NULL }, "commit ssl cert <certfile> : commit a certificate file", cli_parse_commit_cert, cli_io_handler_commit_cert, cli_release_commit_cert },
{ { "abort", "ssl", "cert", NULL }, "abort ssl cert <certfile> : abort a transaction for a certificate file", cli_parse_abort_cert, NULL, NULL },
{ { "del", "ssl", "cert", NULL }, "del ssl cert <certfile> : delete an unused certificate file", cli_parse_del_cert, NULL, NULL },
{ { "show", "ssl", "cert", NULL }, "show ssl cert [<certfile>] : display the SSL certificates used in memory, or the details of a file", cli_parse_show_cert, cli_io_handler_show_cert, cli_release_show_cert },
{ { "new", "ssl", "ca-file", NULL }, "new ssl ca-file <cafile> : create a new CA file to be used in a crt-list", cli_parse_new_cafile, NULL, NULL },
{ { "add", "ssl", "ca-file", NULL }, "add ssl ca-file <cafile> <payload> : add a certificate into the CA file", cli_parse_set_cafile, NULL, NULL },
{ { "set", "ssl", "ca-file", NULL }, "set ssl ca-file <cafile> <payload> : replace a CA file", cli_parse_set_cafile, NULL, NULL },
{ { "commit", "ssl", "ca-file", NULL }, "commit ssl ca-file <cafile> : commit a CA file", cli_parse_commit_cafile, cli_io_handler_commit_cafile_crlfile, cli_release_commit_cafile },
{ { "abort", "ssl", "ca-file", NULL }, "abort ssl ca-file <cafile> : abort a transaction for a CA file", cli_parse_abort_cafile, NULL, NULL },
{ { "del", "ssl", "ca-file", NULL }, "del ssl ca-file <cafile> : delete an unused CA file", cli_parse_del_cafile, NULL, NULL },
{ { "show", "ssl", "ca-file", NULL }, "show ssl ca-file [<cafile>[:<index>]] : display the SSL CA files used in memory, or the details of a <cafile>, or a single certificate of index <index> of a CA file <cafile>", cli_parse_show_cafile, cli_io_handler_show_cafile, cli_release_show_cafile },
{ { "new", "ssl", "crl-file", NULL }, "new ssl crlfile <crlfile> : create a new CRL file to be used in a crt-list", cli_parse_new_crlfile, NULL, NULL },
{ { "set", "ssl", "crl-file", NULL }, "set ssl crl-file <crlfile> <payload> : replace a CRL file", cli_parse_set_crlfile, NULL, NULL },
{ { "commit", "ssl", "crl-file", NULL },"commit ssl crl-file <crlfile> : commit a CRL file", cli_parse_commit_crlfile, cli_io_handler_commit_cafile_crlfile, cli_release_commit_crlfile },
{ { "abort", "ssl", "crl-file", NULL }, "abort ssl crl-file <crlfile> : abort a transaction for a CRL file", cli_parse_abort_crlfile, NULL, NULL },
{ { "del", "ssl", "crl-file", NULL }, "del ssl crl-file <crlfile> : delete an unused CRL file", cli_parse_del_crlfile, NULL, NULL },
{ { "show", "ssl", "crl-file", NULL }, "show ssl crl-file [<crlfile[:<index>>]] : display the SSL CRL files used in memory, or the details of a <crlfile>, or a single CRL of index <index> of CRL file <crlfile>", cli_parse_show_crlfile, cli_io_handler_show_crlfile, cli_release_show_crlfile },
{ { NULL }, NULL, NULL, NULL }
}};
INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws);