#include "mit-sipb-copyright.h"
/* This copyright notice pertains to all files that #include this file, too. */

#include "syslog.h"
#include <netinet/in.h>
#include <stdio.h>

/* configuration parameters */
#ifndef SRV_ROOT_DIR                           /* directory to run from */
#define SRV_ROOT_DIR     "/var/local/diswww/stuff"
#endif
#ifndef SRV_PORT                               /* default port */
#define SRV_PORT         8008
#endif
#ifndef SRV_SELF                               /* server root */
#define SRV_SELF         "http://www.mit.edu:8008"
#endif
#ifndef SRV_WEBMASTER
#define SRV_WEBMASTER    "webmaster@mit.edu"   /* server webmasters */
#endif
#define SRV_INDEX        "index.html"          /* "root" document */
#define SRV_ACCESS_FILE  ".access"             /* access permission list */
#define SRV_UMASK        0                     /* umask to run with */
#define SRV_SOCK_BACKLOG 1                     /* length of socket queue */
#define SRV_SYSLOG_LVL   LOG_LOCAL5            /* facility (for syslog) */
#define SRV_SYSLOG_OPT   LOG_PID | LOG_ODELAY  /* syslog options */
#define SRV_BUFSIZE      1024                  /* input buffer size */
#define SRV_REPLYSIZE    2048                  /* output buffer size */

#define MAXUSERENVIRON   100                   /* max envars saved, >=3 */

/* constants */
#define CR_CHAR (char)015  /* octal */
#define LF_CHAR (char)012  /* octal */

/* macros for syslogging */
#define SYSLOG_ERROR(msg) syslog(LOG_ERR, "%s (%m)", msg)
#define SYSLOG_EWARN(msg) syslog(LOG_WARNING, "%s (%m)", msg)
#define SYSLOG_WARNING(msg) syslog(LOG_WARNING, msg)
#define SYSLOG_NOTICE(msg) syslog(LOG_NOTICE, msg)
#define SYSLOG_DEBUG(msg) syslog(LOG_DEBUG, msg)
#define SYSLOG syslog

/* deal if malloc() fails */
#define CHECK_MALLOC(var) if (!var) {SYSLOG_ERROR("out of core!"); exit(1); }

/* types, global variables and prototypes */

struct clt_sock {       /* connection information */
  int fd;                     /* socket to client */
  char *host;                 /* client hostname */
  char *method, *path, *ver;  /* request */
  char *agent;                /* value of "User-Agent:" field */
  char buf[SRV_BUFSIZE];      /* buffer for read_line */
  int begin, size;            /* buffer position and end+1 */
  char *reply;                /* reply information */
};

struct access {         /* files exported by the server */
  char *filename, *type;      /* filename and MIME type */
  struct access *next;        /* next record */
};

extern char  *progname;                /* what is our name? */
extern struct clt_sock conn;           /* connection information */
extern struct access  *file_list;      /* files exported by the server */

extern int    fd_write(int, char*);
extern int    fd_print(int, const char*, ...);
extern void   fd_spew_file(int, char*);

extern int    write_quoted(int, char*, int);
extern int    fd_write_quoted(int, char*);
extern int    fd_print_quoted(int, const char*, ...);

extern void   send_error_notice(struct clt_sock*, char*, char*, ...);
extern void   send_header(struct clt_sock*, char*, char*);

extern void   setproctitle(char*, ...);
extern void   envsetup(int, char**, char**);

extern int    talk_to_client(struct clt_sock*);
extern void   deal_with_signals(void);
extern void   background(void);
extern void   foreground(void);
extern int    open_socket(int);
extern int    parse_path(char*, char**, char**, int*, int*, int*);
extern char  *strdup(char*);
extern char  *find_peer_name(struct sockaddr_in*);

extern struct access *access_list(char* file);

extern void   dsread(char*, char*, int, int);
extern void   dslist(char*, char*, int, int, int, int);