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config.c
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config.c
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/*
* Copyright (c) 2013-2022 Joris Vink <joris@coders.se>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <ctype.h>
#include <limits.h>
#include <fcntl.h>
#include <pwd.h>
#include "kore.h"
#include "http.h"
#if defined(KORE_USE_PGSQL)
#include "pgsql.h"
#endif
#if defined(KORE_USE_TASKS)
#include "tasks.h"
#endif
#if defined(KORE_USE_PYTHON)
#include "python_api.h"
#endif
#if defined(KORE_USE_CURL)
#include "curl.h"
#endif
#if defined(KORE_USE_ACME)
#include "acme.h"
#endif
#if defined(__linux__)
#include "seccomp.h"
#endif
/* XXX - This is becoming a clusterfuck. Fix it. */
static int configure_load(char *);
static char *configure_resolve_var(char *);
static void configure_check_var(char **, const char *, const char *);
#if defined(KORE_SINGLE_BINARY)
static FILE *config_file_write(void);
extern u_int8_t asset_builtin_kore_conf[];
extern u_int32_t asset_len_builtin_kore_conf;
#elif defined(KORE_USE_PYTHON)
static int configure_file(char *);
#endif
#if defined(KORE_USE_ACME)
static int configure_acme(char *);
static int configure_acme_email(char *);
static int configure_acme_provider(char *);
#endif
static int configure_tls(char *);
static int configure_server(char *);
static int configure_include(char *);
static int configure_bind(char *);
static int configure_bind_unix(char *);
static int configure_attach(char *);
static int configure_domain(char *);
static int configure_privsep(char *);
static int configure_logfile(char *);
static int configure_workers(char *);
static int configure_pidfile(char *);
static int configure_rlimit_nofiles(char *);
static int configure_max_connections(char *);
static int configure_accept_threshold(char *);
static int configure_death_policy(char *);
static int configure_set_affinity(char *);
static int configure_socket_backlog(char *);
static int configure_privsep_skip(char *);
static int configure_privsep_root(char *);
static int configure_privsep_runas(char *);
static int configure_deployment(char *);
#if defined(KORE_USE_PLATFORM_PLEDGE)
static int configure_add_pledge(char *);
#endif
static int configure_rand_file(char *);
static int configure_certfile(char *);
static int configure_certkey(char *);
static int configure_tls_version(char *);
static int configure_tls_cipher(char *);
static int configure_tls_dhparam(char *);
static int configure_client_verify(char *);
static int configure_client_verify_depth(char *);
#if !defined(KORE_NO_HTTP)
static int configure_route(char *);
static int configure_route_methods(char *);
static int configure_route_handler(char *);
static int configure_route_on_free(char *);
static int configure_route_on_headers(char *);
static int configure_route_authenticate(char *);
static int configure_route_on_body_chunk(char *);
static int configure_filemap(char *);
static int configure_return(char *);
static int configure_redirect(char *);
static int configure_static_handler(char *);
static int configure_dynamic_handler(char *);
static int configure_accesslog(char *);
static int configure_http_header_max(char *);
static int configure_http_header_timeout(char *);
static int configure_http_body_max(char *);
static int configure_http_body_timeout(char *);
static int configure_filemap_ext(char *);
static int configure_filemap_index(char *);
static int configure_http_media_type(char *);
static int configure_http_hsts_enable(char *);
static int configure_http_keepalive_time(char *);
static int configure_http_request_ms(char *);
static int configure_http_request_limit(char *);
static int configure_http_body_disk_offload(char *);
static int configure_http_body_disk_path(char *);
static int configure_http_server_version(char *);
static int configure_http_pretty_error(char *);
static int configure_validator(char *);
static int configure_validate(char *);
static int configure_authentication(char *);
static int configure_authentication_uri(char *);
static int configure_authentication_type(char *);
static int configure_authentication_value(char *);
static int configure_authentication_validator(char *);
static int configure_websocket_maxframe(char *);
static int configure_websocket_timeout(char *);
#endif
#if defined(KORE_USE_PGSQL)
static int configure_pgsql_conn_max(char *);
static int configure_pgsql_queue_limit(char *);
#endif
#if defined(KORE_USE_TASKS)
static int configure_task_threads(char *);
#endif
#if defined(KORE_USE_PYTHON)
static int configure_python_path(char *);
static int configure_python_import(char *);
#endif
#if defined(KORE_USE_CURL)
static int configure_curl_timeout(char *);
static int configure_curl_recv_max(char *);
#endif
#if defined(__linux__)
static int configure_seccomp_tracing(char *);
#endif
static struct {
const char *name;
int (*configure)(char *);
} config_directives[] = {
{ "tls", configure_tls },
#if defined(KORE_USE_ACME)
{ "acme", configure_acme },
#endif
{ "bind", configure_bind },
{ "load", configure_load },
{ "domain", configure_domain },
{ "privsep", configure_privsep },
{ "server", configure_server },
{ "attach", configure_attach },
{ "certkey", configure_certkey },
{ "certfile", configure_certfile },
{ "include", configure_include },
{ "unix", configure_bind_unix },
{ "skip", configure_privsep_skip },
{ "root", configure_privsep_root },
{ "runas", configure_privsep_runas },
{ "client_verify", configure_client_verify },
{ "client_verify_depth", configure_client_verify_depth },
#if defined(KORE_USE_PYTHON)
{ "python_path", configure_python_path },
{ "python_import", configure_python_import },
#endif
#if !defined(KORE_NO_HTTP)
{ "route", configure_route },
{ "handler", configure_route_handler },
{ "on_headers", configure_route_on_headers },
{ "on_body_chunk", configure_route_on_body_chunk },
{ "on_free", configure_route_on_free },
{ "methods", configure_route_methods },
{ "authenticate", configure_route_authenticate },
{ "filemap", configure_filemap },
{ "redirect", configure_redirect },
{ "return", configure_return },
{ "static", configure_static_handler },
{ "dynamic", configure_dynamic_handler },
{ "accesslog", configure_accesslog },
{ "validator", configure_validator },
{ "validate", configure_validate },
{ "authentication", configure_authentication },
{ "authentication_uri", configure_authentication_uri },
{ "authentication_type", configure_authentication_type },
{ "authentication_value", configure_authentication_value },
{ "authentication_validator", configure_authentication_validator },
#endif
{ NULL, NULL },
};
static struct {
const char *name;
int (*configure)(char *);
} config_settings[] = {
{ "logfile", configure_logfile },
{ "workers", configure_workers },
{ "worker_max_connections", configure_max_connections },
{ "worker_rlimit_nofiles", configure_rlimit_nofiles },
{ "worker_accept_threshold", configure_accept_threshold },
{ "worker_death_policy", configure_death_policy },
{ "worker_set_affinity", configure_set_affinity },
{ "pidfile", configure_pidfile },
{ "socket_backlog", configure_socket_backlog },
{ "tls_version", configure_tls_version },
{ "tls_cipher", configure_tls_cipher },
{ "tls_dhparam", configure_tls_dhparam },
{ "rand_file", configure_rand_file },
{ "deployment", configure_deployment },
#if defined(KORE_USE_ACME)
{ "acme_email", configure_acme_email },
{ "acme_provider", configure_acme_provider },
#endif
#if defined(KORE_USE_PLATFORM_PLEDGE)
{ "pledge", configure_add_pledge },
#endif
#if defined(__linux__)
{ "seccomp_tracing", configure_seccomp_tracing },
#endif
#if !defined(KORE_NO_HTTP)
{ "filemap_ext", configure_filemap_ext },
{ "filemap_index", configure_filemap_index },
{ "http_media_type", configure_http_media_type },
{ "http_header_max", configure_http_header_max },
{ "http_header_timeout", configure_http_header_timeout },
{ "http_body_max", configure_http_body_max },
{ "http_body_timeout", configure_http_body_timeout },
{ "http_hsts_enable", configure_http_hsts_enable },
{ "http_keepalive_time", configure_http_keepalive_time },
{ "http_request_ms", configure_http_request_ms },
{ "http_request_limit", configure_http_request_limit },
{ "http_body_disk_offload", configure_http_body_disk_offload },
{ "http_body_disk_path", configure_http_body_disk_path },
{ "http_server_version", configure_http_server_version },
{ "http_pretty_error", configure_http_pretty_error },
{ "websocket_maxframe", configure_websocket_maxframe },
{ "websocket_timeout", configure_websocket_timeout },
#endif
#if defined(KORE_USE_PGSQL)
{ "pgsql_conn_max", configure_pgsql_conn_max },
{ "pgsql_queue_limit", configure_pgsql_queue_limit },
#endif
#if defined(KORE_USE_TASKS)
{ "task_threads", configure_task_threads },
#endif
#if defined(KORE_USE_CURL)
{ "curl_timeout", configure_curl_timeout },
{ "curl_recv_max", configure_curl_recv_max },
#endif
#if !defined(KORE_SINGLE_BINARY) && defined(KORE_USE_PYTHON)
{ "file", configure_file },
#endif
{ NULL, NULL },
};
static int finalized = 0;
#if !defined(KORE_SINGLE_BINARY)
char *config_file = NULL;
#endif
#if !defined(KORE_NO_HTTP)
static struct kore_auth *current_auth = NULL;
static struct kore_route *current_route = NULL;
#endif
extern const char *__progname;
static struct kore_domain *current_domain = NULL;
static struct kore_server *current_server = NULL;
static struct kore_privsep *current_privsep = NULL;
void
kore_parse_config(void)
{
FILE *fp;
struct passwd *pwd;
char path[PATH_MAX];
if (finalized)
return;
fp = NULL;
#if !defined(KORE_SINGLE_BINARY)
if (config_file != NULL) {
if ((fp = fopen(config_file, "r")) == NULL) {
fatal("configuration given cannot be opened: %s",
config_file);
}
}
#else
fp = config_file_write();
#endif
if (fp != NULL) {
kore_parse_config_file(fp);
(void)fclose(fp);
}
kore_tls_dh_check();
if (!kore_module_loaded())
fatal("no application module was loaded");
if (worker_privsep.root == NULL) {
if (getcwd(path, sizeof(path)) == NULL)
fatal("getcwd: %s", errno_s);
worker_privsep.root = kore_strdup(path);
if (!kore_quiet)
kore_log(LOG_NOTICE, "privsep: no root path set");
}
if (worker_privsep.runas == NULL) {
if ((pwd = getpwuid(getuid())) == NULL)
fatal("getpwuid: %s", errno_s);
worker_privsep.runas = kore_strdup(pwd->pw_name);
if (!kore_quiet)
kore_log(LOG_NOTICE, "privsep: no runas user set");
endpwent();
}
configure_check_var(&keymgr_privsep.runas, worker_privsep.runas,
"privsep: no keymgr runas set");
#if defined(KORE_USE_ACME)
configure_check_var(&acme_privsep.runas, worker_privsep.runas,
"privsep: no acme runas set");
#endif
configure_check_var(&keymgr_privsep.root, worker_privsep.root,
"privsep: no keymgr root set");
#if defined(KORE_USE_ACME)
configure_check_var(&acme_privsep.root, worker_privsep.root,
"privsep: no acme root set");
#endif
if (skip_chroot) {
worker_privsep.skip_chroot = 1;
keymgr_privsep.skip_chroot = 1;
#if defined(KORE_USE_ACME)
acme_privsep.skip_chroot = 1;
#endif
}
if (skip_runas) {
worker_privsep.skip_runas = 1;
keymgr_privsep.skip_runas = 1;
#if defined(KORE_USE_ACME)
acme_privsep.skip_runas = 1;
#endif
}
if (skip_runas && !kore_quiet)
kore_log(LOG_NOTICE, "privsep: skipping all runas options");
if (skip_chroot && !kore_quiet)
kore_log(LOG_NOTICE, "privsep: skipping all chroot options");
finalized = 1;
}
void
kore_parse_config_file(FILE *fp)
{
int i, lineno;
char buf[BUFSIZ], *p, *t, *v;
lineno = 1;
while ((p = kore_read_line(fp, buf, sizeof(buf))) != NULL) {
if (strlen(p) == 0) {
lineno++;
continue;
}
if (!strcmp(p, "}") && current_privsep != NULL) {
lineno++;
current_privsep = NULL;
continue;
}
if (!strcmp(p, "}") && current_server != NULL) {
lineno++;
kore_server_finalize(current_server);
current_server = NULL;
continue;
}
#if !defined(KORE_NO_HTTP)
if (!strcmp(p, "}") && current_route != NULL) {
lineno++;
current_route = NULL;
continue;
}
if (!strcmp(p, "}") && current_auth != NULL) {
if (current_auth->validator == NULL) {
fatal("no authentication validator for %s",
current_auth->name);
}
lineno++;
current_auth = NULL;
continue;
}
#endif
if (!strcmp(p, "}") && current_domain != NULL) {
if (current_domain->server == NULL) {
fatal("domain '%s' not attached to server",
current_domain->domain);
}
if (current_domain->server->tls == 1) {
#if defined(KORE_USE_ACME)
if (current_domain->acme) {
lineno++;
current_domain = NULL;
continue;
}
#endif
if (current_domain->certfile == NULL ||
current_domain->certkey == NULL) {
fatal("incomplete TLS setup for '%s'",
current_domain->domain);
}
}
current_domain = NULL;
}
if (!strcmp(p, "}")) {
lineno++;
continue;
}
if ((t = strchr(p, ' ')) == NULL) {
kore_log(LOG_NOTICE,
"ignoring \"%s\" on line %d", p, lineno++);
continue;
}
*(t)++ = '\0';
p = kore_text_trim(p, strlen(p));
t = kore_text_trim(t, strlen(t));
if (strlen(p) == 0 || strlen(t) == 0) {
kore_log(LOG_NOTICE,
"ignoring \"%s\" on line %d", p, lineno++);
continue;
}
for (i = 0; config_directives[i].name != NULL; i++) {
if (!strcmp(config_directives[i].name, p)) {
if ((v = configure_resolve_var(t)) == NULL)
fatal("variable %s does not exist", t);
if (config_directives[i].configure(v))
break;
fatal("configuration error on line %d", lineno);
/* NOTREACHED */
}
}
if (config_directives[i].name != NULL) {
lineno++;
continue;
}
for (i = 0; config_settings[i].name != NULL; i++) {
if (!strcmp(config_settings[i].name, p)) {
if ((v = configure_resolve_var(t)) == NULL)
fatal("variable %s does not exist", t);
if (config_settings[i].configure(v))
break;
fatal("configuration error on line %d", lineno);
/* NOTREACHED */
}
}
if (config_settings[i].name == NULL) {
kore_log(LOG_NOTICE,
"ignoring \"%s\" on line %d", p, lineno);
}
lineno++;
}
}
int
kore_configure_setting(const char *name, char *value)
{
int i;
if (finalized)
return (KORE_RESULT_ERROR);
for (i = 0; config_settings[i].name != NULL; i++) {
if (!strcmp(config_settings[i].name, name)) {
if (config_settings[i].configure(value))
return (KORE_RESULT_OK);
fatal("bad value '%s' for '%s'", value, name);
}
}
kore_log(LOG_NOTICE, "ignoring unknown kore.config.%s setting", name);
return (KORE_RESULT_OK);
}
static void
configure_check_var(char **var, const char *other, const char *logmsg)
{
if (*var == NULL) {
if (!kore_quiet)
kore_log(LOG_NOTICE, "%s", logmsg);
*var = kore_strdup(other);
}
}
static char *
configure_resolve_var(char *var)
{
char *v;
if (var[0] == '$') {
if ((v = getenv(&var[1])) == NULL)
return (NULL);
} else {
v = var;
}
return (v);
}
static int
configure_include(char *path)
{
FILE *fp;
if ((fp = fopen(path, "r")) == NULL)
fatal("failed to open include '%s'", path);
kore_parse_config_file(fp);
(void)fclose(fp);
return (KORE_RESULT_OK);
}
static int
configure_server(char *options)
{
struct kore_server *srv;
char *argv[3];
if (current_server != NULL) {
kore_log(LOG_ERR, "nested server contexts are not allowed");
return (KORE_RESULT_ERROR);
}
kore_split_string(options, " ", argv, 3);
if (argv[0] == NULL || argv[1] == NULL) {
kore_log(LOG_ERR, "server context invalid");
return (KORE_RESULT_ERROR);
}
if (strcmp(argv[1], "{")) {
kore_log(LOG_ERR, "server context not opened correctly");
return (KORE_RESULT_ERROR);
}
if ((srv = kore_server_lookup(argv[0])) != NULL) {
kore_log(LOG_ERR, "server with name '%s' exists", srv->name);
return (KORE_RESULT_ERROR);
}
current_server = kore_server_create(argv[0]);
return (KORE_RESULT_OK);
}
static int
configure_tls(char *yesno)
{
if (!kore_tls_supported()) {
current_server->tls = 0;
if (!strcmp(yesno, "yes")) {
kore_log(LOG_ERR, "TLS not supported in this build");
return (KORE_RESULT_ERROR);
}
return (KORE_RESULT_OK);
}
if (current_server == NULL) {
kore_log(LOG_ERR, "tls keyword not inside a server context");
return (KORE_RESULT_ERROR);
}
if (!strcmp(yesno, "no")) {
current_server->tls = 0;
} else if (!strcmp(yesno, "yes")) {
current_server->tls = 1;
} else {
kore_log(LOG_ERR, "invalid '%s' for yes|no tls option", yesno);
return (KORE_RESULT_ERROR);
}
return (KORE_RESULT_OK);
}
#if defined(KORE_USE_ACME)
static int
configure_acme(char *yesno)
{
if (current_domain == NULL) {
kore_log(LOG_ERR, "acme keyword not inside a domain context");
return (KORE_RESULT_ERROR);
}
if (strchr(current_domain->domain, '*')) {
kore_log(LOG_ERR,
"wildcards not supported due to lack of dns-01");
return (KORE_RESULT_ERROR);
}
if (!strcmp(yesno, "no")) {
current_domain->acme = 0;
} else if (!strcmp(yesno, "yes")) {
current_domain->acme = 1;
/* Override keyfile and certfile locations. */
kore_free(current_domain->certkey);
kore_free(current_domain->certfile);
kore_acme_get_paths(current_domain->domain,
¤t_domain->certkey, ¤t_domain->certfile);
acme_domains++;
} else {
kore_log(LOG_ERR, "invalid '%s' for yes|no acme option", yesno);
return (KORE_RESULT_ERROR);
}
return (KORE_RESULT_OK);
}
static int
configure_acme_email(char *email)
{
kore_free(acme_email);
acme_email = kore_strdup(email);
return (KORE_RESULT_OK);
}
static int
configure_acme_provider(char *provider)
{
kore_free(acme_provider);
acme_provider = kore_strdup(provider);
return (KORE_RESULT_OK);
}
#endif
static int
configure_bind(char *options)
{
char *argv[4];
if (current_server == NULL) {
kore_log(LOG_ERR, "bind keyword not inside a server context");
return (KORE_RESULT_ERROR);
}
kore_split_string(options, " ", argv, 4);
if (argv[0] == NULL || argv[1] == NULL)
return (KORE_RESULT_ERROR);
return (kore_server_bind(current_server, argv[0], argv[1], argv[2]));
}
static int
configure_bind_unix(char *options)
{
char *argv[3];
if (current_server == NULL) {
kore_log(LOG_ERR,
"bind_unix keyword not inside a server context");
return (KORE_RESULT_ERROR);
}
kore_split_string(options, " ", argv, 3);
if (argv[0] == NULL)
return (KORE_RESULT_ERROR);
return (kore_server_bind_unix(current_server, argv[0], argv[1]));
}
static int
configure_load(char *options)
{
char *argv[3];
kore_split_string(options, " ", argv, 3);
if (argv[0] == NULL)
return (KORE_RESULT_ERROR);
kore_module_load(argv[0], argv[1], KORE_MODULE_NATIVE);
return (KORE_RESULT_OK);
}
#if defined(KORE_SINGLE_BINARY)
static FILE *
config_file_write(void)
{
FILE *fp;
ssize_t ret;
int fd, len;
char fpath[MAXPATHLEN];
len = snprintf(fpath, sizeof(fpath), "%s/%s.XXXXXX", KORE_TMPDIR,
__progname);
if (len == -1 || (size_t)len >= sizeof(fpath))
fatal("failed to create temporary path");
if ((fd = mkstemp(fpath)) == -1)
fatal("mkstemp(%s): %s", fpath, errno_s);
(void)unlink(fpath);
for (;;) {
ret = write(fd, asset_builtin_kore_conf,
asset_len_builtin_kore_conf);
if (ret == -1) {
if (errno == EINTR)
continue;
fatal("failed to write temporary config: %s", errno_s);
}
if ((size_t)ret != asset_len_builtin_kore_conf)
fatal("failed to write temporary config");
break;
}
if ((fp = fdopen(fd, "w+")) == NULL)
fatal("fdopen(): %s", errno_s);
rewind(fp);
return (fp);
}
#elif defined(KORE_USE_PYTHON)
static int
configure_file(char *file)
{
free(config_file);
if ((config_file = strdup(file)) == NULL)
fatal("strdup");
return (KORE_RESULT_OK);
}
#endif
static int
configure_tls_version(char *version)
{
int ver;
if (!strcmp(version, "1.3")) {
ver = KORE_TLS_VERSION_1_3;
} else if (!strcmp(version, "1.2")) {
ver = KORE_TLS_VERSION_1_2;
} else if (!strcmp(version, "both")) {
ver = KORE_TLS_VERSION_BOTH;
} else {
kore_log(LOG_ERR,
"unknown value for tls_version: %s (use 1.3, 1.2, both)",
version);
return (KORE_RESULT_ERROR);
}
kore_tls_version_set(ver);
return (KORE_RESULT_OK);
}
static int
configure_tls_cipher(char *cipherlist)
{
return (kore_tls_ciphersuite_set(cipherlist));
}
static int
configure_tls_dhparam(char *path)
{
return (kore_tls_dh_load(path));
}
static int
configure_client_verify_depth(char *value)
{
int err, depth;
if (current_domain == NULL) {
kore_log(LOG_ERR,
"client_verify_depth keyword not in domain context");
return (KORE_RESULT_ERROR);
}
depth = kore_strtonum(value, 10, 0, INT_MAX, &err);
if (err != KORE_RESULT_OK) {
kore_log(LOG_ERR, "bad client_verify_depth value: %s", value);
return (KORE_RESULT_ERROR);
}
current_domain->x509_verify_depth = depth;
return (KORE_RESULT_OK);
}
static int
configure_client_verify(char *options)
{
char *argv[3];
if (current_domain == NULL) {
kore_log(LOG_ERR,
"client_verify keyword not in domain context");
return (KORE_RESULT_ERROR);
}
kore_split_string(options, " ", argv, 3);
if (argv[0] == NULL) {
kore_log(LOG_ERR, "client_verify is missing a parameter");
return (KORE_RESULT_ERROR);
}
if (current_domain->cafile != NULL) {
kore_log(LOG_ERR, "client_verify already set for '%s'",
current_domain->domain);
return (KORE_RESULT_ERROR);
}
current_domain->cafile = kore_strdup(argv[0]);
if (argv[1] != NULL)
current_domain->crlfile = kore_strdup(argv[1]);
return (KORE_RESULT_OK);
}
static int
configure_rand_file(char *path)
{
if (kore_rand_file != NULL)
kore_free(kore_rand_file);
kore_rand_file = kore_strdup(path);
return (KORE_RESULT_OK);
}
static int
configure_certfile(char *path)
{
if (current_domain == NULL) {
kore_log(LOG_ERR,
"certfile keyword not specified in domain context");
return (KORE_RESULT_ERROR);
}
kore_free(current_domain->certfile);
current_domain->certfile = kore_strdup(path);
return (KORE_RESULT_OK);
}
static int
configure_certkey(char *path)
{
if (current_domain == NULL) {
kore_log(LOG_ERR,
"certkey keyword not specified in domain context");
return (KORE_RESULT_ERROR);
}
kore_free(current_domain->certkey);
current_domain->certkey = kore_strdup(path);
return (KORE_RESULT_OK);
}
static int
configure_privsep(char *options)
{
char *argv[3];
if (current_privsep != NULL) {
kore_log(LOG_ERR, "nested privsep contexts are not allowed");
return (KORE_RESULT_ERROR);
}
kore_split_string(options, " ", argv, 3);
if (argv[0] == NULL || argv[1] == NULL) {
kore_log(LOG_ERR, "invalid privsep context");
return (KORE_RESULT_ERROR);
}
if (strcmp(argv[1], "{")) {
kore_log(LOG_ERR, "privsep context not opened correctly");
return (KORE_RESULT_ERROR);
}
if (!strcmp(argv[0], "worker")) {
current_privsep = &worker_privsep;
} else if (!strcmp(argv[0], "keymgr")) {
current_privsep = &keymgr_privsep;
#if defined(KORE_USE_ACME)
} else if (!strcmp(argv[0], "acme")) {
current_privsep = &acme_privsep;
#endif
} else {
kore_log(LOG_ERR, "unknown privsep context: %s", argv[0]);
return (KORE_RESULT_ERROR);
}
return (KORE_RESULT_OK);
}
static int
configure_privsep_runas(char *user)
{
if (current_privsep == NULL) {
kore_log(LOG_ERR, "runas keyword not in privsep context");
return (KORE_RESULT_ERROR);
}
if (current_privsep->runas != NULL)
kore_free(current_privsep->runas);
current_privsep->runas = kore_strdup(user);
return (KORE_RESULT_OK);
}
static int
configure_privsep_root(char *root)
{
if (current_privsep == NULL) {
kore_log(LOG_ERR, "root keyword not in privsep context");
return (KORE_RESULT_ERROR);
}
if (current_privsep->root != NULL)
kore_free(current_privsep->root);
current_privsep->root = kore_strdup(root);
return (KORE_RESULT_OK);
}
static int
configure_privsep_skip(char *option)