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Commit | Line | Data |
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a4d04587 | 1 | /* |
f787e1e3 | 2 | * Backend functions for CUPS. |
a4d04587 | 3 | * |
f787e1e3 MS |
4 | * Copyright 2007-2015 by Apple Inc. |
5 | * Copyright 2006 by Easy Software Products. | |
a4d04587 | 6 | * |
f787e1e3 MS |
7 | * These coded instructions, statements, and computer programs are the |
8 | * property of Apple Inc. and are protected by Federal copyright | |
9 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
10 | * which should have been included with this file. If this file is | |
57b7b66b | 11 | * missing or damaged, see the license at "http://www.cups.org/". |
a4d04587 | 12 | * |
f787e1e3 | 13 | * This file is subject to the Apple OS-Developed Software exception. |
a4d04587 | 14 | */ |
15 | ||
16 | /* | |
17 | * Include necessary headers... | |
18 | */ | |
19 | ||
71e16022 | 20 | #include "cups-private.h" |
a4d04587 | 21 | #include "backend.h" |
f787e1e3 | 22 | #include "ppd.h" |
a4d04587 | 23 | |
24 | ||
749b1e90 MS |
25 | /* |
26 | * Local functions... | |
27 | */ | |
28 | ||
29 | static void quote_string(const char *s); | |
30 | ||
31 | ||
a4d04587 | 32 | /* |
33 | * 'cupsBackendDeviceURI()' - Get the device URI for a backend. | |
34 | * | |
35 | * The "argv" argument is the argv argument passed to main(). This | |
36 | * function returns the device URI passed in the DEVICE_URI environment | |
37 | * variable or the device URI passed in argv[0], whichever is found | |
38 | * first. | |
426c6a59 | 39 | * |
8072030b | 40 | * @since CUPS 1.2/macOS 10.5@ |
a4d04587 | 41 | */ |
42 | ||
ac884b6a | 43 | const char * /* O - Device URI or @code NULL@ */ |
a4d04587 | 44 | cupsBackendDeviceURI(char **argv) /* I - Command-line arguments */ |
45 | { | |
eac3a0a0 MS |
46 | const char *device_uri, /* Device URI */ |
47 | *auth_info_required; /* AUTH_INFO_REQUIRED env var */ | |
5eb9da71 | 48 | _cups_globals_t *cg = _cupsGlobals(); /* Global info */ |
eac3a0a0 | 49 | int options; /* Resolve options */ |
f3c17241 MS |
50 | ppd_file_t *ppd; /* PPD file */ |
51 | ppd_attr_t *ppdattr; /* PPD attribute */ | |
a4d04587 | 52 | |
53 | ||
5eb9da71 MS |
54 | if ((device_uri = getenv("DEVICE_URI")) == NULL) |
55 | { | |
56 | if (!argv || !argv[0] || !strchr(argv[0], ':')) | |
57 | return (NULL); | |
a4d04587 | 58 | |
5eb9da71 MS |
59 | device_uri = argv[0]; |
60 | } | |
61 | ||
eac3a0a0 MS |
62 | options = _HTTP_RESOLVE_STDERR; |
63 | if ((auth_info_required = getenv("AUTH_INFO_REQUIRED")) != NULL && | |
64 | !strcmp(auth_info_required, "negotiate")) | |
65 | options |= _HTTP_RESOLVE_FQDN; | |
66 | ||
f3c17241 MS |
67 | if ((ppd = ppdOpenFile(getenv("PPD"))) != NULL) |
68 | { | |
69 | if ((ppdattr = ppdFindAttr(ppd, "cupsIPPFaxOut", NULL)) != NULL && | |
70 | !_cups_strcasecmp(ppdattr->value, "true")) | |
71 | options |= _HTTP_RESOLVE_FAXOUT; | |
72 | ||
73 | ppdClose(ppd); | |
74 | } | |
75 | ||
5eb9da71 | 76 | return (_httpResolveURI(device_uri, cg->resolved_uri, |
eac3a0a0 | 77 | sizeof(cg->resolved_uri), options, NULL, NULL)); |
a4d04587 | 78 | } |
79 | ||
80 | ||
81 | /* | |
749b1e90 MS |
82 | * 'cupsBackendReport()' - Write a device line from a backend. |
83 | * | |
84 | * This function writes a single device line to stdout for a backend. | |
85 | * It handles quoting of special characters in the device-make-and-model, | |
86 | * device-info, device-id, and device-location strings. | |
426c6a59 | 87 | * |
8072030b | 88 | * @since CUPS 1.4/macOS 10.6@ |
749b1e90 MS |
89 | */ |
90 | ||
91 | void | |
92 | cupsBackendReport( | |
93 | const char *device_scheme, /* I - device-scheme string */ | |
94 | const char *device_uri, /* I - device-uri string */ | |
95 | const char *device_make_and_model, /* I - device-make-and-model string or @code NULL@ */ | |
96 | const char *device_info, /* I - device-info string or @code NULL@ */ | |
97 | const char *device_id, /* I - device-id string or @code NULL@ */ | |
98 | const char *device_location) /* I - device-location string or @code NULL@ */ | |
99 | { | |
100 | if (!device_scheme || !device_uri) | |
101 | return; | |
102 | ||
103 | printf("%s %s", device_scheme, device_uri); | |
104 | if (device_make_and_model && *device_make_and_model) | |
105 | quote_string(device_make_and_model); | |
106 | else | |
107 | quote_string("unknown"); | |
108 | quote_string(device_info); | |
109 | quote_string(device_id); | |
110 | quote_string(device_location); | |
111 | putchar('\n'); | |
112 | fflush(stdout); | |
113 | } | |
114 | ||
115 | ||
116 | /* | |
117 | * 'quote_string()' - Write a quoted string to stdout, escaping \ and ". | |
118 | */ | |
119 | ||
120 | static void | |
121 | quote_string(const char *s) /* I - String to write */ | |
122 | { | |
123 | fputs(" \"", stdout); | |
124 | ||
125 | if (s) | |
126 | { | |
127 | while (*s) | |
128 | { | |
129 | if (*s == '\\' || *s == '\"') | |
130 | putchar('\\'); | |
131 | ||
5a9febac | 132 | if (((*s & 255) < ' ' && *s != '\t') || *s == 0x7f) |
12f89d24 MS |
133 | putchar(' '); |
134 | else | |
135 | putchar(*s); | |
749b1e90 MS |
136 | |
137 | s ++; | |
138 | } | |
139 | } | |
140 | ||
141 | putchar('\"'); | |
142 | } |