/*-

 * Copyright (c) 2006 Verdens Gang AS

 * Copyright (c) 2006-2011 Varnish Software AS

 * All rights reserved.

 *

 * Author: Poul-Henning Kamp <phk@phk.freebsd.dk>

 *

 * SPDX-License-Identifier: BSD-2-Clause

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. 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 THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.

 *

 */

#ifdef MGT_MGT_H

#error "Multiple includes of mgt/mgt.h"

#endif

#define MGT_MGT_H

#include <stdint.h>

#include "string.h"

#include <sys/types.h>

#include "vdef.h"

#include "miniobj.h"

#include "vas.h"

#include "vcs.h"

#include "vqueue.h"

#include "vsb.h"

#include "common/common_param.h"

struct vjsn;

struct vsc_seg;

struct vsmw_cluster;

#include "VSC_mgt.h"

struct cli;

struct parspec;

struct vcc;

struct vclprog;

extern struct vev_root  *mgt_evb;

extern unsigned         d_flag;

extern int              exit_status;

/* option=value argument parse helper */

static inline const char *

{

/* builtin_vcl.c */

extern const char * const builtin_vcl;

/* mgt_child.c */

void MCH_Init(void);

int MCH_Running(void);

void MCH_Stop_Child(void);

int MCH_Start_Child(void);

void MCH_TrackHighFd(int fd);

void MCH_Cli_Fail(void);

/* mgt_cli.c */

extern struct VCLS      *mgt_cls;

typedef int mgt_cli_close_f(void *priv);

void mgt_cli_setup(int fdi, int fdo, int auth, const char *ident,

    mgt_cli_close_f *close_func, void *priv);

int mgt_cli_askchild(unsigned *status, char **resp, const char *fmt, ...)

    v_printflike_(3, 4);

unsigned mgt_cli_start_child(int fd, double tmo);

void mgt_cli_stop_child(void);

void mgt_cli_telnet(const char *T_arg);

void mgt_cli_master(const char *M_arg);

void mgt_cli_secret(const char *S_arg);

void mgt_cli_close_all(void);

void mgt_DumpRstCli(void);

void mgt_cli_init_cls(void);

#define MCF_NOAUTH      0       /* NB: zero disables here-documents */

#define MCF_AUTH        16

/* mgt_jail.c */

enum jail_master_e {

        JAIL_MASTER_LOW = 0,

        JAIL_MASTER_SYSTEM,

        JAIL_MASTER_FILE,

        JAIL_MASTER_STORAGE,

        JAIL_MASTER_PRIVPORT,

        JAIL_MASTER_KILL,

#define JAIL_SUBPROC (JAIL_MASTER_KILL + 1)

};

enum jail_subproc_e {

        JAIL_SUBPROC_VCC = JAIL_SUBPROC,

        JAIL_SUBPROC_CC,

        JAIL_SUBPROC_VCLLOAD,

        JAIL_SUBPROC_WORKER,

#define JAIL_LIMIT (JAIL_SUBPROC_WORKER + 1)

};

#define ASSERT_JAIL_MASTER(x) assert((x) < JAIL_SUBPROC)

#define ASSERT_JAIL_SUBPROC(x) do {             \

                assert((x) >= JAIL_SUBPROC);    \

                assert((x) < JAIL_LIMIT);       \

        } while (0)

enum jail_fixfd_e {

        JAIL_FIXFD_FILE,

        JAIL_FIXFD_VSMMGT,

        JAIL_FIXFD_VSMWRK,

        JAIL_FIXFD_WRKTMP,

};

typedef int jail_init_f(char **);

typedef void jail_master_f(enum jail_master_e);

typedef void jail_subproc_f(enum jail_subproc_e);

typedef int jail_make_dir_f(const char *, const char *, struct vsb *);

typedef void jail_fixfd_f(int, enum jail_fixfd_e);

struct jail_tech {

        unsigned                magic;

#define JAIL_TECH_MAGIC         0x4d00fa4d

        const char              *name;

        jail_init_f             *init;

        jail_master_f           *master;

        jail_subproc_f          *subproc;

        jail_make_dir_f         *make_workdir;

        jail_make_dir_f         *make_subdir;

        jail_fixfd_f            *fixfd;

};

void VJ_Init(const char *);

void VJ_master(enum jail_master_e);

void VJ_subproc(enum jail_subproc_e);

int VJ_make_workdir(const char *, struct vsb *);

int VJ_make_subdir(const char *, const char *, struct vsb *);

void VJ_fix_fd(int, enum jail_fixfd_e);

void VJ_unlink(const char *, int);

void VJ_rmdir(const char *);

extern const struct jail_tech jail_tech_unix;

extern const struct jail_tech jail_tech_solaris;

extern const struct jail_tech jail_tech_linux;

/* mgt_main.c */

extern struct vsb *vident;

extern struct VSC_mgt   *VSC_C_mgt;

struct choice {

        const char      *name;

        const void      *ptr;

};

extern const char C_ERR[];      // Things are not as they should be

extern const char C_INFO[];     // Normal stuff, keep a record for later

extern const char C_DEBUG[];    // More detail than you'd normally want

extern const char C_SECURITY[]; // Security issues

extern const char C_CLI[];      // CLI traffic between master and child

extern int complain_to_stderr;

/* mgt_param.c */

void MCF_InitParams(struct cli *);

enum mcf_which_e {

        MCF_DEFAULT = 32,

        MCF_MINIMUM = 33,

        MCF_MAXIMUM = 34,

};

void MCF_ParamConf(enum mcf_which_e, const char *param, const char *, ...)

    v_printflike_(3, 4);

void MCF_ParamSet(struct cli *, const char *param, const char *val);

void MCF_ParamProtect(struct cli *, const char *arg);

void MCF_DumpRstParam(void);

extern struct params mgt_param;

/* mgt_shmem.c */

void mgt_SHM_Init(void);

void mgt_SHM_static_alloc(const void *, ssize_t size,

    const char *category, const char *ident);

void mgt_SHM_Create(void);

void mgt_SHM_Destroy(int keep);

void mgt_SHM_ChildNew(void);

void mgt_SHM_ChildDestroy(void);

/* mgt_param_tcp.c */

void MCF_TcpParams(void);

/* mgt_util.c */

char *mgt_HostName(void);

void mgt_ProcTitle(const char *comp);

void mgt_DumpRstVsl(void);

struct vsb *mgt_BuildVident(void);

void MGT_ComplainVSB(const char *, struct vsb *vsb);

void MGT_Complain(const char *, const char *, ...) v_printflike_(2, 3);

const void *MGT_Pick(const struct choice *, const char *, const char *);

char **MGT_NamedArg(const char *, const char **, const char *);

/* stevedore_mgt.c */

extern const char *mgt_stv_h2_rxbuf;

void STV_Config(const char *spec);

void STV_Config_Final(void);

void STV_Init(void);

/* mgt_vcc.c */

void mgt_DumpBuiltin(void);

char *mgt_VccCompile(struct cli *, struct vclprog *, const char *vclname,

    const char *vclsrc, const char *vclsrcfile, int C_flag);

void mgt_vcl_init(void);

void mgt_vcl_startup(struct cli *, const char *vclsrc, const char *origin,

    const char *vclname, int Cflag);

int mgt_push_vcls(struct cli *, unsigned *status, char **p);

const char *mgt_has_vcl(void);

extern char *mgt_cc_cmd;

extern char *mgt_cc_cmd_def;

extern char *mgt_cc_warn;

extern const char *mgt_vcl_path;

extern const char *mgt_vmod_path;

#if defined(PTHREAD_CANCELED) || defined(PTHREAD_MUTEX_DEFAULT)

#error "Keep pthreads out of in manager process"

#endif

#define MGT_FEATURE(x)          COM_FEATURE(mgt_param.feature_bits, x)

#define MGT_EXPERIMENT(x)       COM_EXPERIMENT(mgt_param.experimental_bits, x)

#define MGT_DO_DEBUG(x)         COM_DO_DEBUG(mgt_param.debug_bits, x)

#define MGT_VCC_FEATURE(x)      COM_VCC_FEATURE(mgt_param.vcc_feature_bits, x)