Mercurial > trustbridge > trustbridge
annotate cinst/nssstore_linux.c @ 384:638db75f0fdf
Ignore sigpipe if the child closed the channel or there is an error
author | Andre Heinecke <andre.heinecke@intevation.de> |
---|---|
date | Tue, 15 Apr 2014 17:47:33 +0200 |
parents | 5eb7ee4ee819 |
children | 17e1c8f37d72 |
rev | line source |
---|---|
302
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
1 #ifndef WIN32 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
2 |
321
824ef90a6721
Move is_elevated into common/util.c file for better reuse
Andre Heinecke <aheinecke@intevation.de>
parents:
305
diff
changeset
|
3 /* @file |
824ef90a6721
Move is_elevated into common/util.c file for better reuse
Andre Heinecke <aheinecke@intevation.de>
parents:
305
diff
changeset
|
4 @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
|
5 */ |
824ef90a6721
Move is_elevated into common/util.c file for better reuse
Andre Heinecke <aheinecke@intevation.de>
parents:
305
diff
changeset
|
6 |
302
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
7 #include <stdbool.h> |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
8 #include <stdio.h> |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
9 #include <unistd.h> |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
10 #include <sys/types.h> |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
11 #include <sys/wait.h> |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
12 #include <string.h> |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
13 #include <stdlib.h> |
383
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
14 #include <limits.h> |
302
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
15 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
16 #include "nssstore.h" |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
17 #include "logging.h" |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
18 #include "strhelp.h" |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
19 |
383
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
20 #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
|
21 |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
22 /**@brief get the current path of the executable |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
23 * |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
24 * Looks up the current executables directory. The caller |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
25 * has to free the return value. |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
26 * |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
27 * The returned value includes the last / |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
28 * |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
29 * @returns the absolute directory of the currently executed executable or NULL |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
30 */ |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
31 char * |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
32 get_exe_dir() |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
33 { |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
34 char *retval = NULL, |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
35 *p = NULL, |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
36 buf[PATH_MAX]; |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
37 ssize_t ret; |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
38 size_t path_len = 0; |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
39 |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
40 ret = readlink ("/proc/self/exe", buf, PATH_MAX); |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
41 if (ret <= 0) |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
42 { |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
43 ERRORPRINTF ("readlink failed\n"); |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
44 return NULL; |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
45 } |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
46 |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
47 buf[ret] = '\0'; |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
48 |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
49 /* cut off the filename */ |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
50 p = strrchr (buf, '/'); |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
51 if (p == NULL) |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
52 { |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
53 ERRORPRINTF ("No filename found.\n"); |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
54 return NULL; |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
55 } |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
56 *(p + 1) = '\0'; |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
57 |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
58 path_len = strlen (buf); |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
59 retval = xmalloc (path_len + 1); |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
60 strncpy (retval, buf, path_len); |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
61 |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
62 return retval; |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
63 } |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
64 |
302
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
65 /**@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
|
66 * |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
67 * 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
|
68 * 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
|
69 * |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
70 * @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
|
71 * @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
|
72 * @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
|
73 * @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
|
74 * @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
|
75 * |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
76 * @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
|
77 */ |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
78 static int |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
79 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
|
80 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
|
81 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
82 int pipe_fd[2]; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
83 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
|
84 char *argv[2] = {NULL, NULL}, |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
85 *envp[2] = {NULL, NULL}, |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
86 *inst_dir = NULL; |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
87 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
|
88 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
|
89 int ret = -1, |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
90 i = 0; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
91 FILE *stream = NULL; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
92 bool success = false; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
93 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
94 if (homedir == NULL) |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
95 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
96 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
|
97 return -1; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
98 } |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
99 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
100 homedir_len = strlen (homedir); |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
101 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
102 /* 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
|
103 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
|
104 envp[1] = NULL; |
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 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
|
107 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
108 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
|
109 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
110 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
|
111 xfree (envp[0]); |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
112 return -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 |
383
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
115 /* Set up the file name of the installer process */ |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
116 inst_dir = get_exe_dir(); |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
117 if (inst_dir == NULL) |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
118 { |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
119 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
|
120 xfree (envp[0]); |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
121 return -1; |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
122 } |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
123 |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
124 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
|
125 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
|
126 |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
127 ret = snprintf(argv[0], exe_path_len + 1, "%s%s", inst_dir, NSS_PROCESS_NAME); |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
128 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
|
129 { |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
130 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
|
131 xfree (argv[0]); |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
132 return -1; |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
133 } |
302
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
134 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
135 if (pipe (pipe_fd)) |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
136 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
137 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
|
138 return -1; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
139 } |
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 pid = fork(); |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
142 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
143 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
|
144 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
145 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
|
146 return -1; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
147 } |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
148 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
149 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
|
150 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
151 /* Drop privileges */ |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
152 if (setuid (uid) || setgid (gid)) |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
153 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
154 exit(-1); |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
155 } |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
156 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
157 close (pipe_fd[1]); |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
158 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
|
159 close (pipe_fd[0]); |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
160 /* TODO find path based on current executable */ |
383
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
161 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
|
162 exit (127); |
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 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
165 close (pipe_fd[0]); |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
166 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
|
167 if (stream == NULL) |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
168 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
169 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
|
170 goto done; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
171 } |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
172 |
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
|
173 /* 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
|
174 * 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
|
175 * 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
|
176 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
|
177 |
302
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
178 /* Send the instructions */ |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
179 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
|
180 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
181 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
|
182 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
183 ERRORPRINTF ("Write failed \n"); |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
184 goto done; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
185 } |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
186 } |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
187 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
188 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
|
189 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
190 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
|
191 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
192 ERRORPRINTF ("Write failed \n"); |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
193 goto done; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
194 } |
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 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
197 success = true; |
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 done: |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
200 if (stream) { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
201 fclose (stream); |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
202 } |
383
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
203 xfree (argv[0]); |
302
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
204 xfree (envp[0]); |
383
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
205 close (pipe_fd[0]); |
5eb7ee4ee819
Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents:
321
diff
changeset
|
206 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
|
207 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
208 if (success) |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
209 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
210 return pid; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
211 } |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
212 return -1; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
213 } |
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 int |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
216 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
|
217 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
218 uid_t my_uid = getuid(); |
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 (my_uid != 0) |
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 /* Running as a user */ |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
223 char *homedir = getenv ("HOME"); |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
224 pid_t childprocess = -1; /* Only one child for single user installation */ |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
225 int status = -1; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
226 if (!homedir) |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
227 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
228 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
|
229 } |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
230 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
231 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
|
232 my_uid, getgid(), homedir); |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
233 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
234 if (childprocess == -1) |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
235 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
236 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
|
237 return -1; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
238 } |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
239 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
240 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
|
241 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
|
242 { |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
243 ERRORPRINTF ("Waitpid failed.\n"); |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
244 return -1; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
245 } |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
246 |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
247 return 0; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
248 } |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
249 printf ("Installation as root is not yet implemented\n"); |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
250 /* TODO root parse /etc/passwd for users with a home directory */ |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
251 return 0; |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
252 } |
fac7e1b0e558
Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff
changeset
|
253 #endif |