mirror of https://gitee.com/openkylin/cups.git
139 lines
4.4 KiB
C
139 lines
4.4 KiB
C
/*
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* Authorization definitions for the CUPS scheduler.
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*
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* Copyright © 2021-2022 by OpenPrinting.
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* Copyright 2007-2014 by Apple Inc.
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* Copyright 1997-2006 by Easy Software Products, all rights reserved.
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*
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* Licensed under Apache License v2.0. See the file "LICENSE" for more
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* information.
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*/
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/*
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* Include necessary headers...
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*/
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#include <pwd.h>
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/*
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* HTTP authorization types and levels...
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*/
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#define CUPSD_AUTH_DEFAULT -1 /* Use DefaultAuthType */
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#define CUPSD_AUTH_NONE 0 /* No authentication */
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#define CUPSD_AUTH_BASIC 1 /* Basic authentication */
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#define CUPSD_AUTH_NEGOTIATE 2 /* Kerberos authentication */
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#define CUPSD_AUTH_AUTO 3 /* Kerberos or Basic, depending on configuration of server */
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#define CUPSD_AUTH_ANON 0 /* Anonymous access */
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#define CUPSD_AUTH_USER 1 /* Must have a valid username/password */
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#define CUPSD_AUTH_GROUP 2 /* Must also be in a named group */
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#define CUPSD_AUTH_ALLOW 0 /* Allow access */
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#define CUPSD_AUTH_DENY 1 /* Deny access */
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#define CUPSD_AUTH_NAME 0 /* Authorize host by name */
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#define CUPSD_AUTH_IP 1 /* Authorize host by IP */
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#define CUPSD_AUTH_INTERFACE 2 /* Authorize host by interface */
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#define CUPSD_AUTH_SATISFY_ALL 0 /* Satisfy both address and auth */
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#define CUPSD_AUTH_SATISFY_ANY 1 /* Satisfy either address or auth */
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#define CUPSD_AUTH_LIMIT_DELETE 1 /* Limit DELETE requests */
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#define CUPSD_AUTH_LIMIT_GET 2 /* Limit GET requests */
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#define CUPSD_AUTH_LIMIT_HEAD 4 /* Limit HEAD requests */
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#define CUPSD_AUTH_LIMIT_OPTIONS 8 /* Limit OPTIONS requests */
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#define CUPSD_AUTH_LIMIT_POST 16 /* Limit POST requests */
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#define CUPSD_AUTH_LIMIT_PUT 32 /* Limit PUT requests */
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#define CUPSD_AUTH_LIMIT_TRACE 64 /* Limit TRACE requests */
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#define CUPSD_AUTH_LIMIT_ALL 127 /* Limit all requests */
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#define CUPSD_AUTH_LIMIT_IPP 128 /* Limit IPP requests */
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#define IPP_ANY_OPERATION (ipp_op_t)0
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/* Any IPP operation */
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#define IPP_BAD_OPERATION (ipp_op_t)-1
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/* No IPP operation */
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/*
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* HTTP access control structures...
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*/
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typedef struct
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{
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unsigned address[4], /* IP address */
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netmask[4]; /* IP netmask */
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} cupsd_ipmask_t;
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typedef struct
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{
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size_t length; /* Length of name */
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char *name; /* Name string */
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} cupsd_namemask_t;
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typedef struct
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{
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int type; /* Mask type */
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union
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{
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cupsd_namemask_t name; /* Host/Domain name */
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cupsd_ipmask_t ip; /* IP address/network */
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} mask; /* Mask data */
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} cupsd_authmask_t;
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typedef struct
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{
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char *location; /* Location of resource */
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size_t length; /* Length of location string */
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ipp_op_t op; /* IPP operation */
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int limit, /* Limit for these types of requests */
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order_type, /* Allow or Deny */
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type, /* Type of authentication */
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level, /* Access level required */
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satisfy; /* Satisfy any or all limits? */
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cups_array_t *names, /* User or group names */
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*allow, /* Allow lines */
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*deny; /* Deny lines */
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http_encryption_t encryption; /* To encrypt or not to encrypt... */
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} cupsd_location_t;
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typedef struct cupsd_client_s cupsd_client_t;
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/*
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* Globals...
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*/
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VAR cups_array_t *Locations VALUE(NULL);
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/* Authorization locations */
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#ifdef HAVE_TLS
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VAR http_encryption_t DefaultEncryption VALUE(HTTP_ENCRYPT_REQUIRED);
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/* Default encryption for authentication */
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#endif /* HAVE_TLS */
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/*
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* Prototypes...
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*/
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extern int cupsdAddIPMask(cups_array_t **masks,
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const unsigned address[4],
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const unsigned netmask[4]);
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extern void cupsdAddLocation(cupsd_location_t *loc);
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extern void cupsdAddName(cupsd_location_t *loc, char *name);
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extern int cupsdAddNameMask(cups_array_t **masks, char *name);
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extern void cupsdAuthorize(cupsd_client_t *con);
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extern int cupsdCheckAccess(unsigned ip[4], const char *name, size_t namelen, cupsd_location_t *loc);
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extern int cupsdCheckAuth(unsigned ip[4], const char *name, size_t namelen, cups_array_t *masks);
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extern int cupsdCheckGroup(const char *username,
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struct passwd *user,
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const char *groupname);
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extern cupsd_location_t *cupsdCopyLocation(cupsd_location_t *loc);
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extern void cupsdDeleteAllLocations(void);
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extern cupsd_location_t *cupsdFindBest(const char *path, http_state_t state);
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extern cupsd_location_t *cupsdFindLocation(const char *location);
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extern void cupsdFreeLocation(cupsd_location_t *loc);
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extern http_status_t cupsdIsAuthorized(cupsd_client_t *con, const char *owner);
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extern cupsd_location_t *cupsdNewLocation(const char *location);
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