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/* ISC license. */
#ifndef TIPIDEED_INTERNAL_H
#define TIPIDEED_INTERNAL_H
#include <sys/types.h>
#include <sys/stat.h>
#include <stdint.h>
#include <skalibs/gccattributes.h>
#include <skalibs/uint64.h>
#include <skalibs/stralloc.h>
#include <skalibs/strerr.h>
#include <skalibs/tai.h>
#include <tipidee/tipidee.h>
#define URI_BUFSIZE 4096
#define HDR_BUFSIZE 8192
typedef struct tipidee_resattr_s tipidee_resattr, *tipidee_resattr_ref ;
struct tipidee_resattr_s
{
char const *content_type ;
uint32_t iscgi : 1 ;
uint32_t isnph : 1 ;
} ;
#define TIPIDEE_RESATTR_ZERO { .content_type = 0, .iscgi = 0, .isnph = 0 }
struct global_s
{
tipidee_conf conf ;
stralloc sa ;
size_t envlen ;
size_t localip ;
size_t localport ;
size_t localhost ;
size_t remoteip ;
size_t remoteport ;
size_t remotehost ;
size_t cwdlen ;
size_t indexlen ;
tain readtto ;
tain writetto ;
tain cgitto ;
char const *defaulthost ;
char const *indexnames[16] ;
int p[2] ;
uint32_t maxrqbody ;
uint32_t maxcgibody ;
uint16_t defaultport ;
uint16_t indexn : 4 ;
uint16_t verbosity : 3 ;
uint16_t cont : 2 ;
uint16_t ssl : 1 ;
} ;
#define GLOBAL_ZERO \
{ \
.conf = TIPIDEE_CONF_ZERO, \
.sa = STRALLOC_ZERO, \
.envlen = 0, \
.localip = 0, \
.localport = 0, \
.localhost = 0, \
.remoteip = 0, \
.remoteport = 0, \
.remotehost = 0, \
.cwdlen = 1, \
.indexlen = 0, \
.readtto = TAIN_ZERO, \
.writetto = TAIN_ZERO, \
.cgitto = TAIN_ZERO, \
.defaulthost = "@", \
.indexnames = { 0 }, \
.p = { -1, -1 }, \
.maxrqbody = 0, \
.maxcgibody = 0, \
.defaultport = 0, \
.indexn = 0, \
.verbosity = 1, \
.cont = 1, \
.ssl = 0 \
}
extern struct global_s g ;
/* uid/gid and chroot */
extern void tipideed_harden (unsigned int) ;
/* Responses */
extern void response_error (tipidee_rql const *, char const *, char const *, int) ;
extern void response_error_and_exit (tipidee_rql const *, char const *, char const *) gccattr_noreturn ;
extern void response_error_and_die (tipidee_rql const *, int e, char const *, char const *, char const *const *, unsigned int, int) gccattr_noreturn ;
#define exit_400(r, s) response_error_and_exit(r, "400 Bad Request", s)
extern void exit_405 (tipidee_rql const *, uint32_t) gccattr_noreturn ;
#define exit_408(r) response_error_and_exit(r, "408 Request Timeout", "")
#define exit_413(r, s) response_error_and_exit(r, "413 Request Entity Too Large", s)
#define exit_501(r, s) response_error_and_exit(r, "501 Not Implemented", s)
#define respond_403(r) response_error(r, "403 Forbidden", "Missing credentials to access the URI.", 0)
#define respond_404(r) response_error(r, "404 Not Found", "The request URI was not found.", 0)
#define respond_414(r) response_error(r, "414 URI Too Long", "The request URI had an oversized component.", 0)
extern void respond_30x (tipidee_rql const *, tipidee_redirection const *) ;
#define respond_504(r) response_error(r, "504 Gateway Timeout", "The CGI script took too long to answer.", 0)
#define diefx(r, e, rsl, text, ...) response_error_and_die(r, e, rsl, text, strerr_array(PROG, ": fatal: ", __VA_ARGS__), sizeof(strerr_array(__VA_ARGS__))/sizeof(char const *)+2, 0)
#define diefusys(r, e, rsl, text, ...) response_error_and_die(r, e, rsl, text, strerr_array(PROG, ": fatal: ", "unable to ", __VA_ARGS__), sizeof(strerr_array(__VA_ARGS__))/sizeof(char const *)+3, 1)
#define die500x(r, e, ...) diefx(r, e, "500 Internal Server Error", "Bad server configuration.", __VA_ARGS__)
#define die500sys(r, e, ...) diefusys(r, e, "500 Internal Server Error", "System error.", __VA_ARGS__)
#define die502x(r, e, ...) diefx(r, e, "502 Bad Gateway", "Bad CGI script.", __VA_ARGS__)
/* Trace */
extern int respond_trace (char const *, tipidee_rql const *, tipidee_headers const *) ;
/* Options */
extern int respond_options (tipidee_rql const *, uint32_t) ;
/* send_file */
extern void init_splice_pipe (void) ;
extern void send_file (int, uint64_t, char const *) ;
/* regular */
extern int respond_regular (tipidee_rql const *, char const *, struct stat const *, tipidee_resattr const *) ;
extern int respond_304 (tipidee_rql const *, char const *, struct stat const *) ;
/* cgi */
extern int respond_cgi (tipidee_rql *, char const *, size_t, char const *, char *, tipidee_headers const *, tipidee_resattr const *, char const *, size_t) ;
/* log */
extern void log_start (void) ;
extern void log_and_exit (int) gccattr_noreturn ;
extern void log_request (tipidee_rql const *) ;
extern void log_regular (char const *, char const *, int, char const *) ;
extern void log_response (char const *, char const *) ;
extern void log_nph (char const *const *, char const *const *) ;
extern void log_cgi (char const *const *, char const *const *) ;
#endif
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