annotate cinst/nssstore_linux.c @ 982:85c497b45488

Merged.
author Emanuel Schuetze <emanuel@intevation.de>
date Fri, 29 Aug 2014 16:08:50 +0200
parents b3695a3399de
children 78798d3af8f0
rev   line source
404
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 384
diff changeset
1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 384
diff changeset
2 * Software engineering by Intevation GmbH
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 384
diff changeset
3 *
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 384
diff changeset
4 * This file is Free Software under the GNU GPL (v>=2)
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 384
diff changeset
5 * and comes with ABSOLUTELY NO WARRANTY!
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 384
diff changeset
6 * See LICENSE.txt for details.
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 384
diff changeset
7 */
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
8 #ifndef WIN32
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
9
321
824ef90a6721 Move is_elevated into common/util.c file for better reuse
Andre Heinecke <aheinecke@intevation.de>
parents: 305
diff changeset
10 /* @file
824ef90a6721 Move is_elevated into common/util.c file for better reuse
Andre Heinecke <aheinecke@intevation.de>
parents: 305
diff changeset
11 @brief Linux implementation of nssstore process control.
824ef90a6721 Move is_elevated into common/util.c file for better reuse
Andre Heinecke <aheinecke@intevation.de>
parents: 305
diff changeset
12 */
824ef90a6721 Move is_elevated into common/util.c file for better reuse
Andre Heinecke <aheinecke@intevation.de>
parents: 305
diff changeset
13
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
14 #include <stdbool.h>
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
15 #include <stdio.h>
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
16 #include <unistd.h>
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
17 #include <sys/types.h>
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
18 #include <sys/wait.h>
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
19 #include <string.h>
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
20 #include <stdlib.h>
383
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
21 #include <limits.h>
439
c88090a15ae4 Fix cinstprocesstest for new arguments. Handle errno on write errors
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
22 #include <errno.h>
648
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
23 #include <pwd.h>
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
24
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
25 #include "nssstore.h"
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
26 #include "logging.h"
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
27 #include "strhelp.h"
841
216a65d7fc4b (issue66) Implement is_system_install and use it
Andre Heinecke <andre.heinecke@intevation.de>
parents: 648
diff changeset
28 #include "util.h"
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
29
383
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
30 #define NSS_PROCESS_NAME "mozilla"
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
31
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
32
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
33 /**@brief Start the process to install / remove
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
34 *
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
35 * This forks the process and executes the NSS installation
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
36 * process. It also writes the Instructions to that process.
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
37 *
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
38 * @param [in] to_install strv of DER encoded certificates to be added.
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
39 * @param [in] to_remove strv of DER encoded certificates to be remvoed.
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
40 * @param [in] uid_t uid of the user to install certificates for.
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
41 * @param [in] gid_t the gid of the user to install certificates for.
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
42 * @param [in] homedir the homedir of the user.
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
43 *
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
44 * @returns childs pid on success. -1 on failure
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
45 */
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
46 static int
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
47 start_procces_for_user (char **to_install, char **to_remove,
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
48 uid_t uid, gid_t gid, char *homedir)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
49 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
50 int pipe_fd[2];
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
51 pid_t pid = 0;
383
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
52 char *argv[2] = {NULL, NULL},
905
698b6a9bd75e Fix coding style for C code
Andre Heinecke <andre.heinecke@intevation.de>
parents: 841
diff changeset
53 *envp[2] = {NULL, NULL},
698b6a9bd75e Fix coding style for C code
Andre Heinecke <andre.heinecke@intevation.de>
parents: 841
diff changeset
54 *inst_dir = NULL;
383
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
55 size_t homedir_len = 0,
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
56 exe_path_len = 0;
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
57 int ret = -1,
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
58 i = 0;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
59 FILE *stream = NULL;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
60 bool success = false;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
61
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
62 if (homedir == NULL)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
63 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
64 ERRORPRINTF ("Invalid call to start_process_for_user\n");
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
65 return -1;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
66 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
67
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
68 homedir_len = strlen (homedir);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
69
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
70 /* Allocate space for HOME=homedir\0 */
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
71 envp[0] = xmalloc (homedir_len + 6);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
72 envp[1] = NULL;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
73
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
74 ret = snprintf (envp[0], homedir_len + 6, "HOME=%s", homedir);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
75
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
76 if (ret < 0 || (size_t) ret != homedir_len + 5)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
77 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
78 ERRORPRINTF ("Error setting home env variable.\n");
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
79 xfree (envp[0]);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
80 return -1;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
81 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
82
383
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
83 /* Set up the file name of the installer process */
841
216a65d7fc4b (issue66) Implement is_system_install and use it
Andre Heinecke <andre.heinecke@intevation.de>
parents: 648
diff changeset
84 inst_dir = get_install_dir();
383
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
85 if (inst_dir == NULL)
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
86 {
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
87 ERRORPRINTF ("Failed to find installation directory.\n");
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
88 xfree (envp[0]);
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
89 return -1;
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
90 }
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
91
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
92 exe_path_len = strlen(inst_dir) + strlen(NSS_PROCESS_NAME);
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
93 argv[0] = xmalloc (exe_path_len + 1);
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
94
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
95 ret = snprintf(argv[0], exe_path_len + 1, "%s%s", inst_dir, NSS_PROCESS_NAME);
947
dbf5ea18cb20 Free the get_install_dir return value.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 905
diff changeset
96 xfree (inst_dir);
383
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
97 if (ret < 0 || (size_t) ret != exe_path_len)
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
98 {
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
99 ERRORPRINTF ("Error setting executable variable.\n");
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
100 xfree (argv[0]);
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
101 return -1;
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
102 }
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
103
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
104 if (pipe (pipe_fd))
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
105 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
106 ERRORPRINTF ("Failed to create pipe.\n");
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
107 return -1;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
108 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
109
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
110 pid = fork();
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
111
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
112 if (pid == (pid_t) -1)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
113 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
114 ERRORPRINTF ("Failed to fork child.\n");
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
115 return -1;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
116 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
117
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
118 if (pid == (pid_t) 0)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
119 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
120 /* Drop privileges */
648
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
121 if (setgid (gid) || setuid (uid))
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
122 {
648
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
123 syslog_error_printf("Failed to drop privileges: %s", strerror(errno));
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
124 exit(-1);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
125 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
126
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
127 close (pipe_fd[1]);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
128 dup2 (pipe_fd[0], 0);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
129 close (pipe_fd[0]);
383
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
130 execve (argv[0], argv, envp);
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
131 exit (127);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
132 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
133
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
134 close (pipe_fd[0]);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
135 stream = fdopen(pipe_fd[1], "w");
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
136 if (stream == NULL)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
137 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
138 ERRORPRINTF ("Failed to open pipe for writing\n");
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
139 goto done;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
140 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
141
384
638db75f0fdf Ignore sigpipe if the child closed the channel or there is an error
Andre Heinecke <andre.heinecke@intevation.de>
parents: 383
diff changeset
142 /* The NSS installer may exit on error before we are done
638db75f0fdf Ignore sigpipe if the child closed the channel or there is an error
Andre Heinecke <andre.heinecke@intevation.de>
parents: 383
diff changeset
143 * telling it what to do. We want to handle that rather
638db75f0fdf Ignore sigpipe if the child closed the channel or there is an error
Andre Heinecke <andre.heinecke@intevation.de>
parents: 383
diff changeset
144 * then die unexpectedly. */
638db75f0fdf Ignore sigpipe if the child closed the channel or there is an error
Andre Heinecke <andre.heinecke@intevation.de>
parents: 383
diff changeset
145 signal(SIGPIPE, SIG_IGN);
638db75f0fdf Ignore sigpipe if the child closed the channel or there is an error
Andre Heinecke <andre.heinecke@intevation.de>
parents: 383
diff changeset
146
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
147 /* Send the instructions */
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
148 for (i = 0; to_install && to_install[i]; i++)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
149 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
150 if (fprintf (stream, "I:%s\n", to_install[i]) <= 3)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
151 {
478
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
152 int err = errno;
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
153 ERRORPRINTF ("Write failed: %s \n", strerror(err));
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
154 if (err == 32)
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
155 {
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
156 /* Broken pipe is expected if there are no NSS stores
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
157 to be found the process just exits. That's ok */
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
158 success = true;
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
159 }
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
160 goto done;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
161 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
162 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
163
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
164 for (i = 0; to_remove && to_remove[i]; i++)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
165 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
166 if (fprintf (stream, "R:%s\n", to_remove[i]) <= 3)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
167 {
478
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
168 int err = errno;
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
169 ERRORPRINTF ("Write failed: %s \n", strerror(err));
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
170 if (err == 32)
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
171 {
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
172 /* Broken pipe is expected if there are no NSS stores
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
173 to be found the process just exits. That's ok */
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
174 success = true;
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
175 }
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
176 goto done;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
177 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
178 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
179
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
180 success = true;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
181
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
182 done:
905
698b6a9bd75e Fix coding style for C code
Andre Heinecke <andre.heinecke@intevation.de>
parents: 841
diff changeset
183 if (stream)
698b6a9bd75e Fix coding style for C code
Andre Heinecke <andre.heinecke@intevation.de>
parents: 841
diff changeset
184 {
698b6a9bd75e Fix coding style for C code
Andre Heinecke <andre.heinecke@intevation.de>
parents: 841
diff changeset
185 fclose (stream);
698b6a9bd75e Fix coding style for C code
Andre Heinecke <andre.heinecke@intevation.de>
parents: 841
diff changeset
186 }
383
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
187 xfree (argv[0]);
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
188 xfree (envp[0]);
383
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
189 close (pipe_fd[0]);
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
190 close (pipe_fd[1]);
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
191
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
192 if (success)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
193 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
194 return pid;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
195 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
196 return -1;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
197 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
198
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
199 int
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
200 write_stores_nss (char **to_install, char **to_remove)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
201 {
648
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
202 struct passwd *usr_it = NULL;
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
203 uid_t my_uid = geteuid();
975
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
204 pid_t childprocess = -1;
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
205 int status = -1;
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
206
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
207 if (my_uid != 0)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
208 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
209 /* Running as a user */
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
210 char *homedir = getenv ("HOME");
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
211 if (!homedir)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
212 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
213 ERRORPRINTF ("Failed to find home directory\n");
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
214 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
215
975
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
216 /* Only one child for single user installation */
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
217 childprocess = start_procces_for_user (to_install, to_remove,
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
218 my_uid, getgid(), homedir);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
219
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
220 if (childprocess == -1)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
221 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
222 ERRORPRINTF ("Failed to start childprocess!\n");
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
223 return -1;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
224 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
225
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
226 childprocess = waitpid (childprocess, &status, 0);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
227 if (childprocess == -1 || !WIFEXITED(status))
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
228 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
229 ERRORPRINTF ("Waitpid failed.\n");
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
230 return -1;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
231 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
232
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
233 return 0;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
234 }
648
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
235
975
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
236 /* Start once as root to install in the system default directories. */
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
237 childprocess = start_procces_for_user (to_install, to_remove,
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
238 my_uid, getgid(), getenv ("HOME"));
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
239 if (childprocess == -1)
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
240 {
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
241 ERRORPRINTF ("Failed to start default profile installation!\n");
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
242 return -1;
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
243 }
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
244
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
245 /* Wait until the default profile directories are done. */
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
246 childprocess = waitpid (childprocess, &status, 0);
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
247 if (childprocess == -1 || !WIFEXITED(status))
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
248 {
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
249 ERRORPRINTF ("Child process did not finish.\n");
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
250 return -1;
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
251 }
b3695a3399de (issue86) Install into default directories on Linux
Andre Heinecke <andre.heinecke@intevation.de>
parents: 947
diff changeset
252
648
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
253 setpwent();
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
254
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
255 while ((usr_it = getpwent ()) != NULL)
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
256 {
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
257 /* Skip obvious system accounts */
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
258 if (strcmp(usr_it->pw_shell, "/usr/sbin/nologin") == 0 ||
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
259 strcmp(usr_it->pw_shell, "/bin/false") == 0)
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
260 {
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
261 continue;
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
262 }
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
263 /* A check if the home directory starts with /home might be
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
264 appropiate */
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
265 start_procces_for_user (to_install,
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
266 to_remove,
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
267 usr_it->pw_uid,
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
268 usr_it->pw_gid,
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
269 usr_it->pw_dir);
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
270
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
271 }
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
272
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
273 endpwent();
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
274
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
275 waitpid (-1, NULL, 0);
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
276
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
277 DEBUGPRINTF ("NSS installation done\n");
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
278 return 0;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
279 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
280 #endif

http://wald.intevation.org/projects/trustbridge/