1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /*LINTLIBRARY*/
27
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <unistd.h>
31 #include <sys/types.h>
32 #include <string.h>
33 #include <stdarg.h>
34 #include <dlfcn.h>
35 #include <nss_dbdefs.h>
36 #include <syslog.h>
37
38 #include <ns.h>
39 #include <list.h>
40
41
42 /*
43 * because legacy code can use a variety of values for various name
44 * services, this routine is needed to "normalize" them.
45 */
46 char *
normalize_ns_name(char * ns)47 normalize_ns_name(char *ns)
48 {
49 if (ns == NULL)
50 return (NULL);
51 else if ((strcasecmp(ns, "files") == 0) ||
52 (strcasecmp(ns, "system") == 0) ||
53 (strcasecmp(ns, "etc") == 0))
54 return ("files");
55 else if (strcasecmp(ns, "nis") == 0)
56 return ("nis");
57 else if (strcasecmp(ns, "ldap") == 0)
58 return ("ldap");
59 else
60 return (ns);
61 }
62
63
64 /*
65 * FUNCTION:
66 * void ns_printer_destroy(ns_printer_t *printer)
67 * INPUT:
68 * ns_printer_t *printer - a pointer to the printer "object" to destroy
69 * DESCRIPTION:
70 * This function will free all of the memory associated with a printer
71 * object. It does this by walking the structure ad freeing everything
72 * underneath it, with the exception of the object source field. This
73 * field is not filled in with newly allocated space when it is
74 * generated
75 */
76 void
ns_printer_destroy(ns_printer_t * printer)77 ns_printer_destroy(ns_printer_t *printer)
78 {
79 if (printer != NULL) {
80 if (printer->attributes != NULL) { /* attributes */
81 list_iterate((void **)printer->attributes,
82 ns_kvp_destroy);
83 free(printer->attributes);
84 }
85 if (printer->aliases != NULL) { /* aliases */
86 free(printer->aliases);
87 }
88 if (printer->name != NULL) /* primary name */
89 free(printer->name);
90 free(printer);
91 }
92 }
93
94
95 /*
96 * FUNCTION:
97 * ns_printer_t **ns_printer_get_list()
98 * OUTPUT:
99 * ns_printer_t ** (return value) - an array of pointers to printer
100 * objects.
101 * DESCRIPTION:
102 * This function will return a list of all printer objects found in every
103 * configuration interface.
104 */
105 ns_printer_t **
ns_printer_get_list(const char * ns)106 ns_printer_get_list(const char *ns)
107 {
108 char buf[NSS_LINELEN_PRINTERS];
109 ns_printer_t **printer_list = NULL;
110
111 (void) setprinterentry(0, (char *)ns);
112
113 ns = normalize_ns_name((char *)ns);
114 while (getprinterentry(buf, sizeof (buf), (char *)ns) == 0) {
115 ns_printer_t *printer =
116 (ns_printer_t *)_cvt_nss_entry_to_printer(buf, NULL);
117
118 printer_list = (ns_printer_t **)list_append(
119 (void **)printer_list,
120 (void *)printer);
121 }
122
123 (void) endprinterentry();
124
125 return (printer_list);
126 }
127
128
129 /*
130 * This function looks for the named printer in the supplied
131 * name service (ns), or the name services configured under
132 * the nsswitch.
133 */
134 ns_printer_t *
ns_printer_get_name(const char * name,const char * ns)135 ns_printer_get_name(const char *name, const char *ns)
136 {
137 ns_printer_t *result = NULL;
138 char buf[NSS_LINELEN_PRINTERS];
139
140 /*
141 * Reset printer entries to the start so we know we will always
142 * pick up the correct entry
143 */
144 endprinterentry();
145
146 if ((result = (ns_printer_t *)posix_name(name)) != NULL)
147 return (result);
148
149 ns = normalize_ns_name((char *)ns);
150 if (getprinterbyname((char *)name, buf, sizeof (buf), (char *)ns) == 0)
151 result = (ns_printer_t *)_cvt_nss_entry_to_printer(buf, NULL);
152
153 return (result);
154 }
155
156
157 /*
158 * FUNCTION:
159 * int ns_printer_put(const ns_printer_t *printer)
160 * INPUT:
161 * const ns_printer_t *printer - a printer object
162 * DESCRIPTION:
163 * This function attempts to put the data in the printer object back
164 * to the "name service" specified in the source field of the object.
165 */
166 int
ns_printer_put(const ns_printer_t * printer)167 ns_printer_put(const ns_printer_t *printer)
168 {
169 char func[32];
170 int (*fpt)();
171
172 if ((printer == NULL) || (printer->source == NULL))
173 return (-1);
174
175 if (snprintf(func, sizeof (func), "%s_put_printer",
176 normalize_ns_name(printer->source)) >= sizeof (func)) {
177 syslog(LOG_ERR, "ns_printer_put: buffer overflow");
178 return (-1);
179 }
180
181 if ((fpt = (int (*)())dlsym(RTLD_DEFAULT, func)) != NULL)
182 return ((*fpt)(printer));
183
184 return (-1);
185 }
186