1 /*
2 * Job status CGI for CUPS.
3 *
4 * Copyright 2007-2014 by Apple Inc.
5 * Copyright 1997-2006 by Easy Software Products.
6 *
7 * Licensed under Apache License v2.0. See the file "LICENSE" for more information.
8 */
9
10 /*
11 * Include necessary headers...
12 */
13
14 #include "cgi-private.h"
15
16
17 /*
18 * Local functions...
19 */
20
21 static void do_job_op(http_t *http, int job_id, ipp_op_t op);
22
23
24 /*
25 * 'main()' - Main entry for CGI.
26 */
27
28 int /* O - Exit status */
main(void)29 main(void)
30 {
31 http_t *http; /* Connection to the server */
32 const char *op; /* Operation name */
33 const char *job_id_var; /* Job ID form variable */
34 int job_id; /* Job ID */
35
36
37 /*
38 * Get any form variables...
39 */
40
41 cgiInitialize();
42
43 /*
44 * Set the web interface section...
45 */
46
47 cgiSetVariable("SECTION", "jobs");
48 cgiSetVariable("REFRESH_PAGE", "");
49
50 /*
51 * Connect to the HTTP server...
52 */
53
54 http = httpConnectEncrypt(cupsServer(), ippPort(), cupsEncryption());
55
56 /*
57 * Get the job ID, if any...
58 */
59
60 if ((job_id_var = cgiGetVariable("JOB_ID")) != NULL)
61 job_id = atoi(job_id_var);
62 else
63 job_id = 0;
64
65 /*
66 * Do the operation...
67 */
68
69 if ((op = cgiGetVariable("OP")) != NULL && job_id > 0 && cgiIsPOST())
70 {
71 /*
72 * Do the operation...
73 */
74
75 if (!strcmp(op, "cancel-job"))
76 do_job_op(http, job_id, IPP_CANCEL_JOB);
77 else if (!strcmp(op, "hold-job"))
78 do_job_op(http, job_id, IPP_HOLD_JOB);
79 else if (!strcmp(op, "move-job"))
80 cgiMoveJobs(http, NULL, job_id);
81 else if (!strcmp(op, "release-job"))
82 do_job_op(http, job_id, IPP_RELEASE_JOB);
83 else if (!strcmp(op, "restart-job"))
84 do_job_op(http, job_id, IPP_RESTART_JOB);
85 else
86 {
87 /*
88 * Bad operation code... Display an error...
89 */
90
91 cgiStartHTML(cgiText(_("Jobs")));
92 cgiCopyTemplateLang("error-op.tmpl");
93 cgiEndHTML();
94 }
95 }
96 else
97 {
98 /*
99 * Show a list of jobs...
100 */
101
102 cgiStartHTML(cgiText(_("Jobs")));
103 cgiShowJobs(http, NULL);
104 cgiEndHTML();
105 }
106
107 /*
108 * Close the HTTP server connection...
109 */
110
111 httpClose(http);
112
113 /*
114 * Return with no errors...
115 */
116
117 return (0);
118 }
119
120
121 /*
122 * 'do_job_op()' - Do a job operation.
123 */
124
125 static void
do_job_op(http_t * http,int job_id,ipp_op_t op)126 do_job_op(http_t *http, /* I - HTTP connection */
127 int job_id, /* I - Job ID */
128 ipp_op_t op) /* I - Operation to perform */
129 {
130 ipp_t *request; /* IPP request */
131 char uri[HTTP_MAX_URI]; /* Job URI */
132 const char *user; /* Username */
133
134
135 /*
136 * Build a job request, which requires the following
137 * attributes:
138 *
139 * attributes-charset
140 * attributes-natural-language
141 * job-uri or printer-uri (purge-jobs)
142 * requesting-user-name
143 */
144
145 request = ippNewRequest(op);
146
147 snprintf(uri, sizeof(uri), "ipp://localhost/jobs/%d", job_id);
148
149 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri",
150 NULL, uri);
151
152 if ((user = getenv("REMOTE_USER")) == NULL)
153 user = "guest";
154
155 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
156 "requesting-user-name", NULL, user);
157
158 /*
159 * Do the request and get back a response...
160 */
161
162 ippDelete(cupsDoRequest(http, request, "/jobs"));
163
164 if (cupsLastError() <= IPP_OK_CONFLICT && getenv("HTTP_REFERER"))
165 {
166 /*
167 * Redirect successful updates back to the parent page...
168 */
169
170 char url[1024]; /* Encoded URL */
171
172
173 strlcpy(url, "5;URL=", sizeof(url));
174 cgiFormEncode(url + 6, getenv("HTTP_REFERER"), sizeof(url) - 6);
175 cgiSetVariable("refresh_page", url);
176 }
177 else if (cupsLastError() == IPP_NOT_AUTHORIZED)
178 {
179 puts("Status: 401\n");
180 exit(0);
181 }
182
183 cgiStartHTML(cgiText(_("Jobs")));
184
185 if (cupsLastError() > IPP_OK_CONFLICT)
186 cgiShowIPPError(_("Job operation failed"));
187 else if (op == IPP_CANCEL_JOB)
188 cgiCopyTemplateLang("job-cancel.tmpl");
189 else if (op == IPP_HOLD_JOB)
190 cgiCopyTemplateLang("job-hold.tmpl");
191 else if (op == IPP_RELEASE_JOB)
192 cgiCopyTemplateLang("job-release.tmpl");
193 else if (op == IPP_RESTART_JOB)
194 cgiCopyTemplateLang("job-restart.tmpl");
195
196 cgiEndHTML();
197 }
198