mirror of https://gitee.com/openkylin/cups.git
143 lines
4.7 KiB
C
143 lines
4.7 KiB
C
/*
|
||
* Client definitions for the CUPS scheduler.
|
||
*
|
||
* Copyright © 2021-2022 by OpenPrinting.
|
||
* Copyright © 2007-2018 by Apple Inc.
|
||
* Copyright © 1997-2007 by Easy Software Products, all rights reserved.
|
||
*
|
||
* Licensed under Apache License v2.0. See the file "LICENSE" for more
|
||
* information.
|
||
*/
|
||
|
||
#ifdef HAVE_AUTHORIZATION_H
|
||
# include <Security/Authorization.h>
|
||
#endif /* HAVE_AUTHORIZATION_H */
|
||
|
||
|
||
/*
|
||
* HTTP client structure...
|
||
*/
|
||
|
||
struct cupsd_client_s
|
||
{
|
||
int number; /* Connection number */
|
||
http_t *http; /* HTTP client connection */
|
||
ipp_t *request, /* IPP request information */
|
||
*response; /* IPP response information */
|
||
cupsd_location_t *best; /* Best match for AAA */
|
||
struct timeval start; /* Request start time */
|
||
http_state_t operation; /* Request operation */
|
||
off_t bytes; /* Bytes transferred for this request */
|
||
int is_browser; /* Is the client a web browser? */
|
||
int type; /* AuthType for username */
|
||
char username[HTTP_MAX_VALUE],
|
||
/* Username from Authorization: line */
|
||
password[HTTP_MAX_VALUE],
|
||
/* Password from Authorization: line */
|
||
uri[HTTP_MAX_URI],
|
||
/* Localized URL/URI for GET/PUT */
|
||
*filename, /* Filename of output file */
|
||
*command, /* Command to run */
|
||
*options, /* Options for command */
|
||
*query_string; /* QUERY_STRING environment variable */
|
||
int file; /* Input/output file */
|
||
int file_ready; /* Input ready on file/pipe? */
|
||
int pipe_pid; /* Pipe process ID (or 0 if not a pipe) */
|
||
http_status_t pipe_status; /* HTTP status from pipe process */
|
||
int sent_header, /* Non-zero if sent HTTP header */
|
||
got_fields, /* Non-zero if all fields seen */
|
||
header_used; /* Number of header bytes used */
|
||
char header[2048]; /* Header from CGI program */
|
||
cups_lang_t *language; /* Language to use */
|
||
#ifdef HAVE_TLS
|
||
int auto_ssl; /* Automatic test for SSL/TLS */
|
||
#endif /* HAVE_TLS */
|
||
http_addr_t clientaddr; /* Client's server address */
|
||
char clientname[256];/* Client's server name for connection */
|
||
int clientport; /* Client's server port for connection */
|
||
char servername[256];/* Server name for connection */
|
||
int serverport; /* Server port for connection */
|
||
#ifdef HAVE_GSSAPI
|
||
int have_gss; /* Have GSS credentials? */
|
||
uid_t gss_uid; /* User ID for local prints */
|
||
#endif /* HAVE_GSSAPI */
|
||
#ifdef HAVE_AUTHORIZATION_H
|
||
AuthorizationRef authref; /* Authorization ref */
|
||
#endif /* HAVE_AUTHORIZATION_H */
|
||
};
|
||
|
||
#define HTTP(con) ((con)->http)
|
||
|
||
|
||
/*
|
||
* HTTP listener structure...
|
||
*/
|
||
|
||
typedef struct
|
||
{
|
||
int fd; /* File descriptor for this server */
|
||
http_addr_t address; /* Bind address of socket */
|
||
http_encryption_t encryption; /* To encrypt or not to encrypt... */
|
||
#ifdef HAVE_ONDEMAND
|
||
int on_demand; /* Is this a socket from launchd/systemd/upstart? */
|
||
#endif /* HAVE_ONDEMAND */
|
||
} cupsd_listener_t;
|
||
|
||
|
||
/*
|
||
* Globals...
|
||
*/
|
||
|
||
VAR int LastClientNumber VALUE(0),
|
||
/* Last client connection number */
|
||
LocalPort VALUE(631),
|
||
/* Local port to use */
|
||
RemotePort VALUE(0);
|
||
/* Remote port to use */
|
||
VAR http_encryption_t LocalEncryption VALUE(HTTP_ENCRYPT_IF_REQUESTED);
|
||
/* Local port encryption to use */
|
||
VAR cups_array_t *Listeners VALUE(NULL);
|
||
/* Listening sockets */
|
||
VAR time_t ListeningPaused VALUE(0);
|
||
/* Time when listening was paused */
|
||
VAR cups_array_t *Clients VALUE(NULL),
|
||
/* HTTP clients */
|
||
*ActiveClients VALUE(NULL);
|
||
/* Active HTTP clients */
|
||
VAR char *ServerHeader VALUE(NULL);
|
||
/* Server header in requests */
|
||
VAR int CGIPipes[2] VALUE2(-1,-1);
|
||
/* Pipes for CGI error/debug output */
|
||
VAR cupsd_statbuf_t *CGIStatusBuffer VALUE(NULL);
|
||
/* Status buffer for pipes */
|
||
|
||
|
||
/*
|
||
* Prototypes...
|
||
*/
|
||
|
||
extern void cupsdAcceptClient(cupsd_listener_t *lis);
|
||
extern void cupsdCloseAllClients(void);
|
||
extern int cupsdCloseClient(cupsd_client_t *con);
|
||
extern void cupsdDeleteAllListeners(void);
|
||
extern void cupsdPauseListening(void);
|
||
extern int cupsdProcessIPPRequest(cupsd_client_t *con);
|
||
extern void cupsdReadClient(cupsd_client_t *con);
|
||
extern void cupsdResumeListening(void);
|
||
extern int cupsdSendCommand(cupsd_client_t *con, char *command,
|
||
char *options, int root);
|
||
extern int cupsdSendError(cupsd_client_t *con, http_status_t code,
|
||
int auth_type);
|
||
extern int cupsdSendHeader(cupsd_client_t *con, http_status_t code,
|
||
char *type, int auth_type);
|
||
extern void cupsdShutdownClient(cupsd_client_t *con);
|
||
extern void cupsdStartListening(void);
|
||
extern void cupsdStopListening(void);
|
||
extern void cupsdUpdateCGI(void);
|
||
extern void cupsdWriteClient(cupsd_client_t *con);
|
||
|
||
#ifdef HAVE_TLS
|
||
extern int cupsdEndTLS(cupsd_client_t *con);
|
||
extern int cupsdStartTLS(cupsd_client_t *con);
|
||
#endif /* HAVE_TLS */
|