// Copyright 2014 The Gogs Authors. All rights reserved. // Use of this source code is governed by a MIT-style // license that can be found in the LICENSE file. package cmd import ( "context" "fmt" "net" "net/http" "os" "strings" _ "net/http/pprof" // Used for debugging if enabled and a web server is running "code.gitea.io/gitea/modules/graceful" "code.gitea.io/gitea/modules/log" "code.gitea.io/gitea/modules/process" "code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/routers" "code.gitea.io/gitea/routers/install" "github.com/felixge/fgprof" "github.com/urfave/cli" ini "gopkg.in/ini.v1" ) // CmdWeb represents the available web sub-command. var CmdWeb = cli.Command{ Name: "web", Usage: "Start Gitea web server", Description: `Gitea web server is the only thing you need to run, and it takes care of all the other things for you`, Action: runWeb, Flags: []cli.Flag{ cli.StringFlag{ Name: "port, p", Value: "3000", Usage: "Temporary port number to prevent conflict", }, cli.StringFlag{ Name: "install-port", Value: "3000", Usage: "Temporary port number to run the install page on to prevent conflict", }, cli.StringFlag{ Name: "pid, P", Value: setting.PIDFile, Usage: "Custom pid file path", }, cli.BoolFlag{ Name: "quiet, q", Usage: "Only display Fatal logging errors until logging is set-up", }, cli.BoolFlag{ Name: "verbose", Usage: "Set initial logging to TRACE level until logging is properly set-up", }, }, } func runHTTPRedirector() { _, _, finished := process.GetManager().AddTypedContext(graceful.GetManager().HammerContext(), "Web: HTTP Redirector", process.SystemProcessType, true) defer finished() source := fmt.Sprintf("%s:%s", setting.HTTPAddr, setting.PortToRedirect) dest := strings.TrimSuffix(setting.AppURL, "/") log.Info("Redirecting: %s to %s", source, dest) handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { target := dest + r.URL.Path if len(r.URL.RawQuery) > 0 { target += "?" + r.URL.RawQuery } http.Redirect(w, r, target, http.StatusTemporaryRedirect) }) err := runHTTP("tcp", source, "HTTP Redirector", handler, setting.RedirectorUseProxyProtocol) if err != nil { log.Fatal("Failed to start port redirection: %v", err) } } func runWeb(ctx *cli.Context) error { if ctx.Bool("verbose") { _ = log.DelLogger("console") log.NewLogger(0, "console", "console", fmt.Sprintf(`{"level": "trace", "colorize": %t, "stacktraceLevel": "none"}`, log.CanColorStdout)) } else if ctx.Bool("quiet") { _ = log.DelLogger("console") log.NewLogger(0, "console", "console", fmt.Sprintf(`{"level": "fatal", "colorize": %t, "stacktraceLevel": "none"}`, log.CanColorStdout)) } defer func() { if panicked := recover(); panicked != nil { log.Fatal("PANIC: %v\n%s", panicked, log.Stack(2)) } }() managerCtx, cancel := context.WithCancel(context.Background()) graceful.InitManager(managerCtx) defer cancel() if os.Getppid() > 1 && len(os.Getenv("LISTEN_FDS")) > 0 { log.Info("Restarting Gitea on PID: %d from parent PID: %d", os.Getpid(), os.Getppid()) } else { log.Info("Starting Gitea on PID: %d", os.Getpid()) } // Set pid file setting if ctx.IsSet("pid") { setting.PIDFile = ctx.String("pid") setting.WritePIDFile = true } // Perform pre-initialization needsInstall := install.PreloadSettings(graceful.GetManager().HammerContext()) if needsInstall { // Flag for port number in case first time run conflict if ctx.IsSet("port") { if err := setPort(ctx.String("port")); err != nil { return err } } if ctx.IsSet("install-port") { if err := setPort(ctx.String("install-port")); err != nil { return err } } installCtx, cancel := context.WithCancel(graceful.GetManager().HammerContext()) c := install.Routes(installCtx) err := listen(c, false) cancel() if err != nil { log.Critical("Unable to open listener for installer. Is Gitea already running?") graceful.GetManager().DoGracefulShutdown() } select { case <-graceful.GetManager().IsShutdown(): <-graceful.GetManager().Done() log.Info("PID: %d Gitea Web Finished", os.Getpid()) log.Close() return err default: } } else { NoInstallListener() } if setting.EnablePprof { go func() { http.DefaultServeMux.Handle("/debug/fgprof", fgprof.Handler()) _, _, finished := process.GetManager().AddTypedContext(context.Background(), "Web: PProf Server", process.SystemProcessType, true) // The pprof server is for debug purpose only, it shouldn't be exposed on public network. At the moment it's not worth to introduce a configurable option for it. log.Info("Starting pprof server on localhost:6060") log.Info("Stopped pprof server: %v", http.ListenAndServe("localhost:6060", nil)) finished() }() } log.Info("Global init") // Perform global initialization setting.LoadFromExisting() routers.GlobalInitInstalled(graceful.GetManager().HammerContext()) // We check that AppDataPath exists here (it should have been created during installation) // We can't check it in `GlobalInitInstalled`, because some integration tests // use cmd -> GlobalInitInstalled, but the AppDataPath doesn't exist during those tests. if _, err := os.Stat(setting.AppDataPath); err != nil { log.Fatal("Can not find APP_DATA_PATH '%s'", setting.AppDataPath) } // Override the provided port number within the configuration if ctx.IsSet("port") { if err := setPort(ctx.String("port")); err != nil { return err } } // Set up Chi routes c := routers.NormalRoutes(graceful.GetManager().HammerContext()) err := listen(c, true) <-graceful.GetManager().Done() log.Info("PID: %d Gitea Web Finished", os.Getpid()) log.Close() return err } func setPort(port string) error { setting.AppURL = strings.Replace(setting.AppURL, setting.HTTPPort, port, 1) setting.HTTPPort = port switch setting.Protocol { case setting.HTTPUnix: case setting.FCGI: case setting.FCGIUnix: default: defaultLocalURL := string(setting.Protocol) + "://" if setting.HTTPAddr == "0.0.0.0" { defaultLocalURL += "localhost" } else { defaultLocalURL += setting.HTTPAddr } defaultLocalURL += ":" + setting.HTTPPort + "/" // Save LOCAL_ROOT_URL if port changed setting.CreateOrAppendToCustomConf("server.LOCAL_ROOT_URL", func(cfg *ini.File) { cfg.Section("server").Key("LOCAL_ROOT_URL").SetValue(defaultLocalURL) }) } return nil } func listen(m http.Handler, handleRedirector bool) error { listenAddr := setting.HTTPAddr if setting.Protocol != setting.HTTPUnix && setting.Protocol != setting.FCGIUnix { listenAddr = net.JoinHostPort(listenAddr, setting.HTTPPort) } _, _, finished := process.GetManager().AddTypedContext(graceful.GetManager().HammerContext(), "Web: Gitea Server", process.SystemProcessType, true) defer finished() log.Info("Listen: %v://%s%s", setting.Protocol, listenAddr, setting.AppSubURL) // This can be useful for users, many users do wrong to their config and get strange behaviors behind a reverse-proxy. // A user may fix the configuration mistake when he sees this log. // And this is also very helpful to maintainers to provide help to users to resolve their configuration problems. log.Info("AppURL(ROOT_URL): %s", setting.AppURL) if setting.LFS.StartServer { log.Info("LFS server enabled") } var err error switch setting.Protocol { case setting.HTTP: if handleRedirector { NoHTTPRedirector() } err = runHTTP("tcp", listenAddr, "Web", m, setting.UseProxyProtocol) case setting.HTTPS: if setting.EnableAcme { err = runACME(listenAddr, m) break } if handleRedirector { if setting.RedirectOtherPort { go runHTTPRedirector() } else { NoHTTPRedirector() } } err = runHTTPS("tcp", listenAddr, "Web", setting.CertFile, setting.KeyFile, m, setting.UseProxyProtocol, setting.ProxyProtocolTLSBridging) case setting.FCGI: if handleRedirector { NoHTTPRedirector() } err = runFCGI("tcp", listenAddr, "FCGI Web", m, setting.UseProxyProtocol) case setting.HTTPUnix: if handleRedirector { NoHTTPRedirector() } err = runHTTP("unix", listenAddr, "Web", m, setting.UseProxyProtocol) case setting.FCGIUnix: if handleRedirector { NoHTTPRedirector() } err = runFCGI("unix", listenAddr, "Web", m, setting.UseProxyProtocol) default: log.Fatal("Invalid protocol: %s", setting.Protocol) } if err != nil { log.Critical("Failed to start server: %v", err) } log.Info("HTTP Listener: %s Closed", listenAddr) return err } 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 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634 635 636 637 638 639 640 641 642 643 644 
/*
 * Copyright (c) 2015, Vsevolod Stakhov
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *	 * Redistributions of source code must retain the above copyright
 *	   notice, this list of conditions and the following disclaimer.
 *	 * Redistributions in binary form must reproduce the above copyright
 *	   notice, this list of conditions and the following disclaimer in the
 *	   documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY AUTHOR ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "regexp.h"
#include "blake2.h"
#include "ref.h"
#include "util.h"
#include "main.h"
#include <pcre.h>

typedef guchar regexp_id_t[BLAKE2B_OUTBYTES];

#define RSPAMD_REGEXP_FLAG_RAW (1 << 1)
#define RSPAMD_REGEXP_FLAG_NOOPT (1 << 2)
#define RSPAMD_REGEXP_FLAG_FULL_MATCH (1 << 3)

struct rspamd_regexp_s {
	gdouble exec_time;
	gchar *pattern;
	pcre *re;
	pcre_extra *extra;
#ifdef HAVE_PCRE_JIT
	pcre_jit_stack *jstack;
	pcre_jit_stack *raw_jstack;
#endif
	pcre *raw_re;
	pcre_extra *raw_extra;
	regexp_id_t id;
	ref_entry_t ref;
	gpointer ud;
	gint flags;
};

struct rspamd_regexp_cache {
	GHashTable *tbl;
};

static struct rspamd_regexp_cache *global_re_cache = NULL;
static gboolean can_jit = FALSE;

static GQuark
rspamd_regexp_quark (void)
{
	return g_quark_from_static_string ("rspamd-regexp");
}

static void
rspamd_regexp_generate_id (const gchar *pattern, const gchar *flags,
		regexp_id_t out)
{
	blake2b_state st;

	blake2b_init (&st, sizeof (regexp_id_t));

	if (flags) {
		blake2b_update (&st, flags, strlen (flags));
	}

	blake2b_update (&st, pattern, strlen (pattern));
	blake2b_final (&st, out, sizeof (regexp_id_t));
}

static void
rspamd_regexp_dtor (rspamd_regexp_t *re)
{
	if (re) {
		msg_info("dtor of %s", re->pattern);
		if (re->re) {
			pcre_free (re->re);
#ifdef HAVE_PCRE_JIT
			if (re->extra) {
				pcre_free_study (re->extra);
			}
			if (re->jstack) {
				pcre_jit_stack_free (re->jstack);
			}
#else
			pcre_free (re->extra);
#endif
		}
		if (re->raw_re) {
			pcre_free (re->raw_re);
#ifdef HAVE_PCRE_JIT
			if (re->raw_extra) {
				pcre_free_study (re->raw_extra);
			}
			if (re->raw_jstack) {
				pcre_jit_stack_free (re->raw_jstack);
			}
#else
			pcre_free (re->raw_extra);
#endif
		}

		if (re->pattern) {
			g_free (re->pattern);
		}
	}
}

rspamd_regexp_t*
rspamd_regexp_new (const gchar *pattern, const gchar *flags,
		GError **err)
{
	const gchar *start = pattern, *end, *flags_str = NULL, *err_str;
	rspamd_regexp_t *res;
	pcre *r;
	gchar sep = 0, *real_pattern;
	gint regexp_flags = 0, rspamd_flags = 0, err_off, study_flags = 0;
	gboolean strict_flags = FALSE;

	if (flags == NULL) {
		/* We need to parse pattern and detect flags set */
		if (*start == '/') {
			sep = '/';
		}
		else if (*start == 'm') {
			start ++;
			sep = *start;

			/* Paired braces */
			if (sep == '{') {
				sep = '}';
			}

			rspamd_flags |= RSPAMD_REGEXP_FLAG_FULL_MATCH;
		}
		if (sep == '\0' || g_ascii_isalnum (sep)) {
			/* We have no flags, no separators and just use all line as expr */
			start = pattern;
			end = start + strlen (pattern);
			rspamd_flags &= ~RSPAMD_REGEXP_FLAG_FULL_MATCH;
		}
		else {
			end = strrchr (pattern, sep);

			if (end == NULL || end <= start) {
				g_set_error (err, rspamd_regexp_quark(), EINVAL,
						"pattern is not enclosed with %c: %s",
						sep, pattern);
				return NULL;
			}
			flags_str = end + 1;
			start ++;
		}
	}
	else {
		/* Strictly check all flags */
		strict_flags = TRUE;
		start = pattern;
		end = pattern + strlen (pattern);
		flags_str = flags;
	}

	regexp_flags |= PCRE_UTF8 ;

	if (flags_str != NULL) {
		while (*flags_str) {
			switch (*flags_str) {
			case 'i':
				regexp_flags |= PCRE_CASELESS;
				break;
			case 'm':
				regexp_flags |= PCRE_MULTILINE;
				break;
			case 's':
				regexp_flags |= PCRE_DOTALL;
				break;
			case 'x':
				regexp_flags |= PCRE_EXTENDED;
				break;
			case 'u':
				regexp_flags |= PCRE_UNGREEDY;
				break;
			case 'O':
				/* We optimize all regexps by default */
				rspamd_flags |= RSPAMD_REGEXP_FLAG_NOOPT;
				break;
			case 'r':
				rspamd_flags |= RSPAMD_REGEXP_FLAG_RAW;
				regexp_flags &= ~PCRE_UTF8;
				break;
			default:
				if (strict_flags) {
					g_set_error (err, rspamd_regexp_quark(), EINVAL,
							"invalid regexp flag: %c in pattern %s",
							*flags_str, pattern);
					return NULL;
				}
				msg_warn ("invalid flag '%c' in pattern %s", *flags_str, pattern);
				goto fin;
				break;
			}
			flags_str++;
		}
	}
fin:

	real_pattern = g_malloc (end - start + 1);
	rspamd_strlcpy (real_pattern, start, end - start + 1);

	r = pcre_compile (real_pattern, regexp_flags, &err_str, &err_off, NULL);

	if (r == NULL) {
		g_set_error (err, rspamd_regexp_quark(), EINVAL,
			"invalid regexp pattern: '%s': %s at position %d",
			pattern, err_str, err_off);
		g_free (real_pattern);

		return NULL;
	}

	/* Now allocate the target structure */
	res = g_slice_alloc0 (sizeof (*res));
	REF_INIT_RETAIN (res, rspamd_regexp_dtor);
	res->flags = rspamd_flags;
	res->pattern = real_pattern;

	if (rspamd_flags & RSPAMD_REGEXP_FLAG_RAW) {
		res->raw_re = r;
	}
	else {
		res->re = r;
		res->raw_re = pcre_compile (pattern, regexp_flags & ~PCRE_UTF8,
				&err_str, &err_off, NULL);

		if (res->raw_re == NULL) {
			msg_warn ("invalid raw regexp pattern: '%s': %s at position %d",
					pattern, err_str, err_off);
		}
	}

#ifdef HAVE_PCRE_JIT
	study_flags |= PCRE_STUDY_JIT_COMPILE;
#endif

	if (!(rspamd_flags & RSPAMD_REGEXP_FLAG_NOOPT)) {
		/* Optimize regexp */
		if (res->re) {
			res->extra = pcre_study (res->re, study_flags, &err_str);
			if (res->extra != NULL) {
#ifdef HAVE_PCRE_JIT
				gint jit, n;

				if (can_jit) {
					jit = 0;
					n = pcre_fullinfo (res->re, res->extra,
							PCRE_INFO_JIT, &jit);

					if (n != 0 || jit != 1) {
						msg_info ("jit compilation of %s is not supported", pattern);
						res->jstack = NULL;
					}
					else {
						res->jstack = pcre_jit_stack_alloc (32 * 1024, 512 * 1024);
						pcre_assign_jit_stack (res->extra, NULL, res->jstack);
					}
				}
#endif
			}
			else {
				msg_warn ("cannot optimize regexp pattern: '%s': %s",
						pattern, err_str);
			}
		}
		if (res->raw_re) {
			res->raw_extra = pcre_study (res->raw_re, study_flags, &err_str);
			if (res->raw_extra != NULL) {
#ifdef HAVE_PCRE_JIT
				gint jit, n;

				if (can_jit) {
					jit = 0;
					n = pcre_fullinfo (res->re, res->extra,
							PCRE_INFO_JIT, &jit);

					if (n != 0 || jit != 1) {
						msg_info ("jit compilation of %s is not supported", pattern);
						res->jstack = NULL;
					}
					else {
						res->jstack = pcre_jit_stack_alloc (32 * 1024, 512 * 1024);
						pcre_assign_jit_stack (res->extra, NULL, res->jstack);
					}
				}
#endif
			}
			else {
				msg_warn ("cannot optimize raw regexp pattern: '%s': %s",
						pattern, err_str);
			}
		}
	}

	rspamd_regexp_generate_id (pattern, flags, res->id);

	return res;
}

gboolean
rspamd_regexp_search (rspamd_regexp_t *re, const gchar *text, gsize len,
		const gchar **start, const gchar **end, gboolean raw)
{
	pcre *r;
	pcre_extra *ext;
#if defined(HAVE_PCRE_JIT) && (PCRE_MAJOR == 8 && PCRE_MINOR >= 32)
	pcre_jit_stack *st = NULL;
#endif
	const gchar *mt;
	gsize remain = 0;
	gint rc, match_flags = 0, ovec[10];

	g_assert (re != NULL);
	g_assert (text != NULL);

	if (len == 0) {
		len = strlen (text);
	}

	if (end != NULL && *end != NULL) {
		/* Incremental search */
		mt = (*end);

		if ((gint)len > (mt - text)) {
			remain = len - (mt - text);
		}
	}
	else {
		mt = text;
		remain = len;
	}

	if (remain == 0) {
		return FALSE;
	}

	match_flags = PCRE_NEWLINE_ANYCRLF;
	if ((re->flags & RSPAMD_REGEXP_FLAG_RAW) || raw) {
		r = re->raw_re;
		ext = re->raw_extra;
#if defined(HAVE_PCRE_JIT) && (PCRE_MAJOR == 8 && PCRE_MINOR >= 32)
		st = re->raw_jstack;
#endif
	}
	else {
		match_flags |= PCRE_NO_UTF8_CHECK;
		r = re->re;
		ext = re->extra;
#if defined(HAVE_PCRE_JIT) && (PCRE_MAJOR == 8 && PCRE_MINOR >= 32)
		st = re->jstack;
#endif
	}

	g_assert (r != NULL);

	if (!(re->flags & RSPAMD_REGEXP_FLAG_NOOPT)) {
#ifdef HAVE_PCRE_JIT
# if (PCRE_MAJOR == 8 && PCRE_MINOR >= 32)
		/* XXX: flags seems to be broken with jit fast path */
		g_assert (remain > 0);
		g_assert (mt != NULL);

		if (st != NULL) {
			rc = pcre_jit_exec (r, ext, mt, remain, 0, 0, ovec,
				G_N_ELEMENTS (ovec), st);
		}
		else {
			rc = pcre_exec (r, ext, mt, remain, 0, match_flags, ovec,
				G_N_ELEMENTS (ovec));
		}
# else
		rc = pcre_exec (r, ext, mt, remain, 0, match_flags, ovec,
						G_N_ELEMENTS (ovec));
#endif
#else
		rc = pcre_exec (r, ext, mt, remain, 0, match_flags, ovec,
				G_N_ELEMENTS (ovec));
#endif
	}
	else {
		rc = pcre_exec (r, ext, mt, remain, 0, match_flags, ovec,
				G_N_ELEMENTS (ovec));
	}
	if (rc > 0) {
		if (start) {
			*start = mt + ovec[0];
		}
		if (end) {
			*end = mt + ovec[1];
		}

		if (re->flags & RSPAMD_REGEXP_FLAG_FULL_MATCH) {
			/* We also ensure that the match is full */
			if (ovec[0] != 0 || (guint)ovec[1] < len) {
				return FALSE;
			}
		}

		return TRUE;
	}

	return FALSE;
}

const char*
rspamd_regexp_get_pattern (rspamd_regexp_t *re)
{
	g_assert (re != NULL);

	return re->pattern;
}

gboolean
rspamd_regexp_match (rspamd_regexp_t *re, const gchar *text, gsize len,
		gboolean raw)
{
	const gchar *start = NULL, *end = NULL;

	g_assert (re != NULL);
	g_assert (text != NULL);

	if (rspamd_regexp_search (re, text, len, &start, &end, raw)) {
		if (start == text && end == text + len) {
			return TRUE;
		}
	}

	return FALSE;
}

void
rspamd_regexp_unref (rspamd_regexp_t *re)
{
	REF_RELEASE (re);
}

rspamd_regexp_t*
rspamd_regexp_ref (rspamd_regexp_t *re)
{
	g_assert (re != NULL);

	REF_RETAIN (re);

	return re;
}

void
rspamd_regexp_set_ud (rspamd_regexp_t *re, gpointer ud)
{
	g_assert (re != NULL);

	re->ud = ud;
}

gpointer
rspamd_regexp_get_ud (rspamd_regexp_t *re)
{
	g_assert (re != NULL);

	return re->ud;
}

gboolean
rspamd_regexp_equal (gconstpointer a, gconstpointer b)
{
	const guchar *ia = a, *ib = b;

	return (memcmp (ia, ib, sizeof (regexp_id_t)) == 0);
}

guint32
rspamd_regexp_hash (gconstpointer a)
{
	const guchar *ia = a;
	guint32 res;

	memcpy (&res, ia, sizeof (res));

	return res;
}

struct rspamd_regexp_cache*
rspamd_regexp_cache_new (void)
{
	struct rspamd_regexp_cache *ncache;

	ncache = g_slice_alloc (sizeof (*ncache));
	ncache->tbl = g_hash_table_new_full (rspamd_regexp_hash, rspamd_regexp_equal,
			NULL, (GDestroyNotify)rspamd_regexp_unref);

	return ncache;
}


rspamd_regexp_t*
rspamd_regexp_cache_query (struct rspamd_regexp_cache* cache,
		const gchar *pattern,
		const gchar *flags)
{
	rspamd_regexp_t *res = NULL;
	regexp_id_t id;

	if (cache == NULL) {
		cache = global_re_cache;
	}

	g_assert (cache != NULL);
	rspamd_regexp_generate_id (pattern, flags, id);

	res = g_hash_table_lookup (cache->tbl, id);

	return res;
}


rspamd_regexp_t*
rspamd_regexp_cache_create (struct rspamd_regexp_cache *cache,
		const gchar *pattern,
		const gchar *flags, GError **err)
{
	rspamd_regexp_t *res;

	if (cache == NULL) {
		cache = global_re_cache;
	}

	g_assert (cache != NULL);
	res = rspamd_regexp_cache_query (cache, pattern, flags);

	if (res != NULL) {
		return res;
	}

	res = rspamd_regexp_new (pattern, flags, err);

	if (res) {
		REF_RETAIN (res);
		g_hash_table_insert (cache->tbl, res->id, res);
	}

	return res;
}

void rspamd_regexp_cache_insert (struct rspamd_regexp_cache* cache,
		const gchar *pattern,
		const gchar *flags, rspamd_regexp_t *re)
{
	g_assert (re != NULL);
	g_assert (pattern != NULL);

	if (cache == NULL) {
		cache = global_re_cache;
	}

	g_assert (cache != NULL);
	/* Generate custom id */
	rspamd_regexp_generate_id (pattern, flags, re->id);

	REF_RETAIN (re);
	g_hash_table_insert (cache->tbl, re->id, re);
}

gboolean
rspamd_regexp_cache_remove (struct rspamd_regexp_cache *cache,
		rspamd_regexp_t *re)
{
	if (cache == NULL) {
		cache = global_re_cache;
	}

	g_assert (cache != NULL);
	g_assert (re != NULL);

	return g_hash_table_remove (cache->tbl, re->id);
}

void
rspamd_regexp_cache_destroy (struct rspamd_regexp_cache *cache)
{
	if (cache != NULL) {
		g_hash_table_destroy (cache->tbl);
	}
}

void
rspamd_regexp_library_init (void)
{
	if (global_re_cache == NULL) {
		global_re_cache = rspamd_regexp_cache_new ();
	}
#ifdef HAVE_PCRE_JIT
	gint jit, rc;
	const gchar *str;


	rc = pcre_config (PCRE_CONFIG_JIT, &jit);

	if (rc == 0 && jit == 1) {
		pcre_config (PCRE_CONFIG_JITTARGET, &str);

		msg_info ("pcre is compiled with JIT for %s", str);

		can_jit = TRUE;
	}
	else {
		msg_info ("pcre is compiled without JIT support, so many optimisations"
				" are impossible");
	}
#else
	msg_info ("pcre is too old and has no JIT support, so many optimisations"
					" are impossible");
#endif
}

void
rspamd_regexp_library_finalize (void)
{
	if (global_re_cache != NULL) {
		rspamd_regexp_cache_destroy (global_re_cache);
	}
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-08 05:43:46 +0000