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Commit | Line | Data |
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ef416fc2 | 1 | /* |
5ec1fd3d | 2 | * Client definitions for the CUPS scheduler. |
ef416fc2 | 3 | * |
4feb1fe2 MS |
4 | * Copyright © 2007-2018 by Apple Inc. |
5 | * Copyright © 1997-2007 by Easy Software Products, all rights reserved. | |
ef416fc2 | 6 | * |
4feb1fe2 MS |
7 | * Licensed under Apache License v2.0. See the file "LICENSE" for more |
8 | * information. | |
ef416fc2 | 9 | */ |
10 | ||
f7deaa1a | 11 | #ifdef HAVE_AUTHORIZATION_H |
12 | # include <Security/Authorization.h> | |
13 | #endif /* HAVE_AUTHORIZATION_H */ | |
14 | ||
b19ccc9e | 15 | |
ef416fc2 | 16 | /* |
17 | * HTTP client structure... | |
18 | */ | |
19 | ||
20 | struct cupsd_client_s | |
21 | { | |
996acce8 MS |
22 | int number; /* Connection number */ |
23 | http_t *http; /* HTTP client connection */ | |
ef416fc2 | 24 | ipp_t *request, /* IPP request information */ |
25 | *response; /* IPP response information */ | |
26 | cupsd_location_t *best; /* Best match for AAA */ | |
dfd5680b | 27 | struct timeval start; /* Request start time */ |
ef416fc2 | 28 | http_state_t operation; /* Request operation */ |
29 | off_t bytes; /* Bytes transferred for this request */ | |
4feb1fe2 | 30 | int is_browser; /* Is the client a web browser? */ |
2fb76298 | 31 | int type; /* AuthType for username */ |
3e7fe0ca MS |
32 | char username[HTTP_MAX_VALUE], |
33 | /* Username from Authorization: line */ | |
34 | password[HTTP_MAX_VALUE], | |
35 | /* Password from Authorization: line */ | |
ef416fc2 | 36 | uri[HTTP_MAX_URI], |
37 | /* Localized URL/URI for GET/PUT */ | |
38 | *filename, /* Filename of output file */ | |
39 | *command, /* Command to run */ | |
b86bc4cf | 40 | *options, /* Options for command */ |
41 | *query_string; /* QUERY_STRING environment variable */ | |
ef416fc2 | 42 | int file; /* Input/output file */ |
43 | int file_ready; /* Input ready on file/pipe? */ | |
44 | int pipe_pid; /* Pipe process ID (or 0 if not a pipe) */ | |
e200616a | 45 | http_status_t pipe_status; /* HTTP status from pipe process */ |
ef416fc2 | 46 | int sent_header, /* Non-zero if sent HTTP header */ |
47 | got_fields, /* Non-zero if all fields seen */ | |
68b10830 MS |
48 | header_used; /* Number of header bytes used */ |
49 | char header[2048]; /* Header from CGI program */ | |
ef416fc2 | 50 | cups_lang_t *language; /* Language to use */ |
51 | #ifdef HAVE_SSL | |
52 | int auto_ssl; /* Automatic test for SSL/TLS */ | |
53 | #endif /* HAVE_SSL */ | |
996acce8 | 54 | http_addr_t clientaddr; /* Client's server address */ |
f2534050 MS |
55 | char clientname[256];/* Client's server name for connection */ |
56 | int clientport; /* Client's server port for connection */ | |
ef416fc2 | 57 | char servername[256];/* Server name for connection */ |
58 | int serverport; /* Server port for connection */ | |
f7deaa1a | 59 | #ifdef HAVE_GSSAPI |
97c9a8d7 | 60 | int have_gss; /* Have GSS credentials? */ |
07ed0e9a | 61 | uid_t gss_uid; /* User ID for local prints */ |
f7deaa1a | 62 | #endif /* HAVE_GSSAPI */ |
63 | #ifdef HAVE_AUTHORIZATION_H | |
64 | AuthorizationRef authref; /* Authorization ref */ | |
65 | #endif /* HAVE_AUTHORIZATION_H */ | |
ef416fc2 | 66 | }; |
67 | ||
996acce8 | 68 | #define HTTP(con) ((con)->http) |
ef416fc2 | 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... */ | |
1166bf58 | 80 | #ifdef HAVE_ONDEMAND |
441de8b2 | 81 | int on_demand; /* Is this a socket from launchd/systemd/upstart? */ |
c187d9ab | 82 | #endif /* HAVE_ONDEMAND */ |
ef416fc2 | 83 | } cupsd_listener_t; |
84 | ||
85 | ||
86 | /* | |
87 | * Globals... | |
88 | */ | |
89 | ||
996acce8 MS |
90 | VAR int LastClientNumber VALUE(0), |
91 | /* Last client connection number */ | |
92 | ListenBackLog VALUE(SOMAXCONN), | |
ef416fc2 | 93 | /* Max backlog of pending connections */ |
f11a948a | 94 | LocalPort VALUE(631), |
ef416fc2 | 95 | /* Local port to use */ |
f11a948a MS |
96 | RemotePort VALUE(0); |
97 | /* Remote port to use */ | |
ef416fc2 | 98 | VAR http_encryption_t LocalEncryption VALUE(HTTP_ENCRYPT_IF_REQUESTED); |
99 | /* Local port encryption to use */ | |
bd7854cb | 100 | VAR cups_array_t *Listeners VALUE(NULL); |
ef416fc2 | 101 | /* Listening sockets */ |
76cd9e37 MS |
102 | VAR time_t ListeningPaused VALUE(0); |
103 | /* Time when listening was paused */ | |
3dfe78b3 | 104 | VAR cups_array_t *Clients VALUE(NULL), |
ef416fc2 | 105 | /* HTTP clients */ |
3dfe78b3 MS |
106 | *ActiveClients VALUE(NULL); |
107 | /* Active HTTP clients */ | |
ef416fc2 | 108 | VAR char *ServerHeader VALUE(NULL); |
109 | /* Server header in requests */ | |
110 | VAR int CGIPipes[2] VALUE2(-1,-1); | |
111 | /* Pipes for CGI error/debug output */ | |
112 | VAR cupsd_statbuf_t *CGIStatusBuffer VALUE(NULL); | |
113 | /* Status buffer for pipes */ | |
114 | ||
115 | ||
116 | /* | |
117 | * Prototypes... | |
118 | */ | |
119 | ||
120 | extern void cupsdAcceptClient(cupsd_listener_t *lis); | |
121 | extern void cupsdCloseAllClients(void); | |
122 | extern int cupsdCloseClient(cupsd_client_t *con); | |
bd7854cb | 123 | extern void cupsdDeleteAllListeners(void); |
ef416fc2 | 124 | extern void cupsdPauseListening(void); |
125 | extern int cupsdProcessIPPRequest(cupsd_client_t *con); | |
f7deaa1a | 126 | extern void cupsdReadClient(cupsd_client_t *con); |
ef416fc2 | 127 | extern void cupsdResumeListening(void); |
128 | extern int cupsdSendCommand(cupsd_client_t *con, char *command, | |
129 | char *options, int root); | |
f899b121 | 130 | extern int cupsdSendError(cupsd_client_t *con, http_status_t code, |
131 | int auth_type); | |
ef416fc2 | 132 | extern int cupsdSendHeader(cupsd_client_t *con, http_status_t code, |
f899b121 | 133 | char *type, int auth_type); |
ef416fc2 | 134 | extern void cupsdShutdownClient(cupsd_client_t *con); |
135 | extern void cupsdStartListening(void); | |
136 | extern void cupsdStopListening(void); | |
137 | extern void cupsdUpdateCGI(void); | |
f7deaa1a | 138 | extern void cupsdWriteClient(cupsd_client_t *con); |
ef416fc2 | 139 | |
82cc1f9a MS |
140 | #ifdef HAVE_SSL |
141 | extern int cupsdEndTLS(cupsd_client_t *con); | |
142 | extern int cupsdStartTLS(cupsd_client_t *con); | |
143 | #endif /* HAVE_SSL */ |