1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <stdio.h>
#include <ctype.h>
#include <sys/stat.h>
#include <project.h>
#include <unistd.h>
#include <userdefs.h>
#include <errno.h>
#include <nss_dbdefs.h>
#include "users.h"
#include "messages.h"
int
edit_project(char *login, char *new_login, projid_t projids[], int overwrite)
{
char **memptr;
char t_name[] = "/etc/projtmp.XXXXXX";
FILE *e_fptr, *t_fptr;
struct project *p_ptr;
struct project p_work;
char workbuf[NSS_LINELEN_PROJECT];
int i, modified = 0;
struct stat sbuf;
int p_length;
char p_string[NSS_LINELEN_PROJECT];
long p_curr = 0;
int exist;
int fd;
if ((e_fptr = fopen(PROJF_PATH, "r")) == NULL) {
return (EX_UPDATE);
}
if (fstat(fileno(e_fptr), &sbuf) != 0)
return (EX_UPDATE);
if ((fd = mkstemp(t_name)) < 0) {
return (EX_UPDATE);
}
if ((t_fptr = fdopen(fd, "w+")) == NULL) {
(void) close(fd);
(void) unlink(t_name);
return (EX_UPDATE);
}
/*
* Get ownership and permissions correct
*/
if (fchmod(fd, sbuf.st_mode) != 0 ||
fchown(fd, sbuf.st_uid, sbuf.st_gid) != 0) {
(void) fclose(t_fptr);
(void) unlink(t_name);
return (EX_UPDATE);
}
p_curr = ftell(e_fptr);
/* Make TMP file look like we want project file to look */
while (fgets(p_string, NSS_LINELEN_PROJECT - 1, e_fptr)) {
/* While there is another group string */
p_length = strlen(p_string);
(void) fseek(e_fptr, p_curr, SEEK_SET);
p_ptr = fgetprojent(e_fptr, &p_work, &workbuf,
sizeof (workbuf));
p_curr = ftell(e_fptr);
if (p_ptr == NULL) {
/*
* tried to parse a proj string over
* NSS_LINELEN_PROJECT chars
*/
errmsg(M_PROJ_ENTRY_OVF, NSS_LINELEN_PROJECT);
modified = 0; /* bad project file: cannot rebuild */
break;
}
/* first delete the login from the project, if it's there */
if (overwrite || !projids) {
if (p_ptr->pj_users != NULL) {
for (memptr = p_ptr->pj_users; *memptr;
memptr++) {
if (strcmp(*memptr, login) == 0) {
/* Delete this one */
char **from = memptr + 1;
p_length -= (strlen(*memptr)+1);
do {
*(from - 1) = *from;
} while (*from++);
modified++;
break;
}
}
}
}
/* now check to see if project is one to add to */
if (projids) {
for (i = 0; projids[i] != -1; i++) {
if (p_ptr->pj_projid == projids[i]) {
/* Scan for dups */
exist = 0;
for (memptr = p_ptr->pj_users; *memptr;
memptr++) {
if (strncmp(*memptr, new_login ?
new_login : login,
strlen(*memptr)) == 0)
exist++;
}
p_length += strlen(new_login ?
new_login : login) + 1;
if (p_length >=
NSS_LINELEN_PROJECT - 1) {
errmsg(M_PROJ_ENTRY_OVF,
NSS_LINELEN_PROJECT);
break;
} else {
if (!exist) {
*memptr++ = new_login ?
new_login : login;
*memptr = NULL;
modified++;
}
}
}
}
}
putprojent(p_ptr, t_fptr);
}
(void) fclose(e_fptr);
(void) fclose(t_fptr);
/* Now, update project file, if it was modified */
if (modified && rename(t_name, PROJF_PATH) < 0) {
(void) unlink(t_name);
return (EX_UPDATE);
}
(void) unlink(t_name);
return (EX_SUCCESS);
}
|
