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82cc1f9a MS |
1 | /* |
2 | * "$Id: client.h 7935 2008-09-11 01:54:11Z mike $" | |
3 | * | |
4 | * Client definitions for the CUPS scheduler. | |
5 | * | |
6 | * Copyright 2007-2011 by Apple Inc. | |
7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. | |
8 | * | |
9 | * These coded instructions, statements, and computer programs are the | |
10 | * property of Apple Inc. and are protected by Federal copyright | |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
14 | */ | |
15 | ||
16 | #ifdef HAVE_AUTHORIZATION_H | |
17 | # include <Security/Authorization.h> | |
18 | #endif /* HAVE_AUTHORIZATION_H */ | |
19 | ||
20 | ||
21 | /* | |
22 | * HTTP client structure... | |
23 | */ | |
24 | ||
25 | struct cupsd_client_s | |
26 | { | |
27 | http_t http; /* HTTP client connection */ | |
28 | ipp_t *request, /* IPP request information */ | |
29 | *response; /* IPP response information */ | |
30 | cupsd_location_t *best; /* Best match for AAA */ | |
31 | struct timeval start; /* Request start time */ | |
32 | http_state_t operation; /* Request operation */ | |
33 | off_t bytes; /* Bytes transferred for this request */ | |
34 | int type; /* AuthType for username */ | |
35 | char username[HTTP_MAX_VALUE], | |
36 | /* Username from Authorization: line */ | |
37 | password[HTTP_MAX_VALUE], | |
38 | /* Password from Authorization: line */ | |
39 | uri[HTTP_MAX_URI], | |
40 | /* Localized URL/URI for GET/PUT */ | |
41 | *filename, /* Filename of output file */ | |
42 | *command, /* Command to run */ | |
43 | *options, /* Options for command */ | |
44 | *query_string; /* QUERY_STRING environment variable */ | |
45 | int file; /* Input/output file */ | |
46 | int file_ready; /* Input ready on file/pipe? */ | |
47 | int pipe_pid; /* Pipe process ID (or 0 if not a pipe) */ | |
48 | int sent_header, /* Non-zero if sent HTTP header */ | |
49 | got_fields, /* Non-zero if all fields seen */ | |
50 | header_used; /* Number of header bytes used */ | |
51 | char header[2048]; /* Header from CGI program */ | |
52 | cups_lang_t *language; /* Language to use */ | |
53 | #ifdef HAVE_SSL | |
54 | int auto_ssl; /* Automatic test for SSL/TLS */ | |
55 | #endif /* HAVE_SSL */ | |
56 | http_addr_t clientaddr; /* Client address */ | |
57 | char servername[256];/* Server name for connection */ | |
58 | int serverport; /* Server port for connection */ | |
59 | #ifdef HAVE_GSSAPI | |
60 | int have_gss; /* Have GSS credentials? */ | |
61 | uid_t gss_uid; /* User ID for local prints */ | |
62 | #endif /* HAVE_GSSAPI */ | |
63 | #ifdef HAVE_AUTHORIZATION_H | |
64 | AuthorizationRef authref; /* Authorization ref */ | |
65 | #endif /* HAVE_AUTHORIZATION_H */ | |
66 | }; | |
67 | ||
68 | #define HTTP(con) &((con)->http) | |
69 | ||
70 | ||
71 | /* | |
72 | * HTTP listener structure... | |
73 | */ | |
74 | ||
75 | typedef struct | |
76 | { | |
77 | int fd; /* File descriptor for this server */ | |
78 | http_addr_t address; /* Bind address of socket */ | |
79 | http_encryption_t encryption; /* To encrypt or not to encrypt... */ | |
80 | } cupsd_listener_t; | |
81 | ||
82 | ||
83 | /* | |
84 | * Globals... | |
85 | */ | |
86 | ||
87 | VAR int ListenBackLog VALUE(SOMAXCONN), | |
88 | /* Max backlog of pending connections */ | |
89 | LocalPort VALUE(631), | |
90 | /* Local port to use */ | |
91 | RemotePort VALUE(0); | |
92 | /* Remote port to use */ | |
93 | VAR http_encryption_t LocalEncryption VALUE(HTTP_ENCRYPT_IF_REQUESTED); | |
94 | /* Local port encryption to use */ | |
95 | VAR cups_array_t *Listeners VALUE(NULL); | |
96 | /* Listening sockets */ | |
97 | VAR time_t ListeningPaused VALUE(0); | |
98 | /* Time when listening was paused */ | |
99 | VAR cups_array_t *Clients VALUE(NULL), | |
100 | /* HTTP clients */ | |
101 | *ActiveClients VALUE(NULL); | |
102 | /* Active HTTP clients */ | |
103 | VAR char *ServerHeader VALUE(NULL); | |
104 | /* Server header in requests */ | |
105 | VAR int CGIPipes[2] VALUE2(-1,-1); | |
106 | /* Pipes for CGI error/debug output */ | |
107 | VAR cupsd_statbuf_t *CGIStatusBuffer VALUE(NULL); | |
108 | /* Status buffer for pipes */ | |
109 | ||
110 | ||
111 | /* | |
112 | * Prototypes... | |
113 | */ | |
114 | ||
115 | extern void cupsdAcceptClient(cupsd_listener_t *lis); | |
116 | extern void cupsdCloseAllClients(void); | |
117 | extern int cupsdCloseClient(cupsd_client_t *con); | |
118 | extern void cupsdDeleteAllListeners(void); | |
119 | extern int cupsdFlushHeader(cupsd_client_t *con); | |
120 | extern void cupsdPauseListening(void); | |
121 | extern int cupsdProcessIPPRequest(cupsd_client_t *con); | |
122 | extern void cupsdReadClient(cupsd_client_t *con); | |
123 | extern void cupsdResumeListening(void); | |
124 | extern int cupsdSendCommand(cupsd_client_t *con, char *command, | |
125 | char *options, int root); | |
126 | extern int cupsdSendError(cupsd_client_t *con, http_status_t code, | |
127 | int auth_type); | |
128 | extern int cupsdSendHeader(cupsd_client_t *con, http_status_t code, | |
129 | char *type, int auth_type); | |
130 | extern void cupsdShutdownClient(cupsd_client_t *con); | |
131 | extern void cupsdStartListening(void); | |
132 | extern void cupsdStopListening(void); | |
133 | extern void cupsdUpdateCGI(void); | |
134 | extern void cupsdWriteClient(cupsd_client_t *con); | |
135 | ||
136 | ||
137 | /* | |
138 | * End of "$Id: client.h 7935 2008-09-11 01:54:11Z mike $". | |
139 | */ |