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annotate cinst/nssstore_linux.c @ 648:e41a2537b84d

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Implement root installation We now iterate over all users that do not obviously have their login shell disabled and look for NSS directories in their home directory, dropping our privileges to do so.
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 25 Jun 2014 12:44:47 +0200
parents 214bf504c54f
children 216a65d7fc4b
rev   line source
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1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8 #ifndef WIN32
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9
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10 /* @file
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11 @brief Linux implementation of nssstore process control.
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12 */
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13
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14 #include <stdbool.h>
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15 #include <stdio.h>
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16 #include <unistd.h>
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17 #include <sys/types.h>
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18 #include <sys/wait.h>
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19 #include <string.h>
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20 #include <stdlib.h>
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21 #include <limits.h>
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22 #include <errno.h>
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23 #include <pwd.h>
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24
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25 #include "nssstore.h"
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26 #include "logging.h"
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27 #include "strhelp.h"
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28
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29 #define NSS_PROCESS_NAME "mozilla"
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30
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31 /**@brief get the current path of the executable
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32 *
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33 * Looks up the current executables directory. The caller
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34 * has to free the return value.
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35 *
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36 * The returned value includes the last /
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37 *
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38 * @returns the absolute directory of the currently executed executable or NULL
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39 */
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40 char *
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41 get_exe_dir()
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42 {
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43 char *retval = NULL,
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44 *p = NULL,
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45 buf[PATH_MAX];
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46 ssize_t ret;
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47 size_t path_len = 0;
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48
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49 ret = readlink ("/proc/self/exe", buf, PATH_MAX);
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50 if (ret <= 0)
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51 {
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52 ERRORPRINTF ("readlink failed\n");
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53 return NULL;
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54 }
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55
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56 buf[ret] = '\0';
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57
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58 /* cut off the filename */
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59 p = strrchr (buf, '/');
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60 if (p == NULL)
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61 {
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62 ERRORPRINTF ("No filename found.\n");
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63 return NULL;
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64 }
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65 *(p + 1) = '\0';
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66
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67 path_len = strlen (buf);
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68 retval = xmalloc (path_len + 1);
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69 strncpy (retval, buf, path_len);
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70 retval[path_len] = '\0';
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71
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72 return retval;
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73 }
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74
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75 /**@brief Start the process to install / remove
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76 *
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77 * This forks the process and executes the NSS installation
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78 * process. It also writes the Instructions to that process.
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79 *
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80 * @param [in] to_install strv of DER encoded certificates to be added.
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81 * @param [in] to_remove strv of DER encoded certificates to be remvoed.
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82 * @param [in] uid_t uid of the user to install certificates for.
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83 * @param [in] gid_t the gid of the user to install certificates for.
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84 * @param [in] homedir the homedir of the user.
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85 *
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86 * @returns childs pid on success. -1 on failure
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87 */
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88 static int
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89 start_procces_for_user (char **to_install, char **to_remove,
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90 uid_t uid, gid_t gid, char *homedir)
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91 {
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92 int pipe_fd[2];
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93 pid_t pid = 0;
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94 char *argv[2] = {NULL, NULL},
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95 *envp[2] = {NULL, NULL},
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96 *inst_dir = NULL;
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97 size_t homedir_len = 0,
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98 exe_path_len = 0;
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99 int ret = -1,
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100 i = 0;
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101 FILE *stream = NULL;
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102 bool success = false;
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103
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104 if (homedir == NULL)
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105 {
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106 ERRORPRINTF ("Invalid call to start_process_for_user\n");
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107 return -1;
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108 }
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109
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110 homedir_len = strlen (homedir);
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111
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112 /* Allocate space for HOME=homedir\0 */
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113 envp[0] = xmalloc (homedir_len + 6);
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114 envp[1] = NULL;
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115
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116 ret = snprintf (envp[0], homedir_len + 6, "HOME=%s", homedir);
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117
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118 if (ret < 0 || (size_t) ret != homedir_len + 5)
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119 {
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120 ERRORPRINTF ("Error setting home env variable.\n");
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121 xfree (envp[0]);
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122 return -1;
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123 }
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124
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125 /* Set up the file name of the installer process */
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126 inst_dir = get_exe_dir();
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127 if (inst_dir == NULL)
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128 {
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129 ERRORPRINTF ("Failed to find installation directory.\n");
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130 xfree (envp[0]);
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131 return -1;
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
132 }
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
133
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
134 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
135 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
136
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
137 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
138 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
139 {
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
140 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
141 xfree (argv[0]);
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
142 return -1;
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
143 }
302
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 if (pipe (pipe_fd))
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
146 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
147 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
148 return -1;
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
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
151 pid = fork();
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
152
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
153 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
154 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
155 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
156 return -1;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
157 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
158
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
159 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
160 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
161 /* Drop privileges */
648
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
162 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
163 {
648
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
164 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
165 exit(-1);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
166 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
167
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
168 close (pipe_fd[1]);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
169 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
170 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
171 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
172 exit (127);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
173 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
174
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
175 close (pipe_fd[0]);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
176 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
177 if (stream == NULL)
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 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
180 goto done;
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
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
183 /* 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
184 * 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
185 * 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
186 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
187
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
188 /* Send the instructions */
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
189 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
190 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
191 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
192 {
478
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
193 int err = errno;
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
194 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
195 if (err == 32)
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
196 {
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
197 /* 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
198 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
199 success = true;
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
200 }
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
201 goto done;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
202 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
203 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
204
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
205 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
206 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
207 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
208 {
478
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
209 int err = errno;
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
210 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
211 if (err == 32)
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
212 {
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
213 /* 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
214 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
215 success = true;
214bf504c54f Handle broken pipe as it is expected behavior
Andre Heinecke <aheinecke@intevation.de>
parents: 476
diff changeset
216 }
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
217 goto done;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
218 }
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
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
221 success = true;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
222
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
223 done:
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
224 if (stream) {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
225 fclose (stream);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
226 }
383
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
227 xfree (argv[0]);
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
228 xfree (envp[0]);
383
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
229 close (pipe_fd[0]);
5eb7ee4ee819 Look up executable name based on /proc/self/exe
Andre Heinecke <andre.heinecke@intevation.de>
parents: 321
diff changeset
230 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
231
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
232 if (success)
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 return pid;
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 return -1;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
237 }
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 int
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
240 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
241 {
648
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
242 struct passwd *usr_it = NULL;
e41a2537b84d Implement root installation
Andre Heinecke <andre.heinecke@intevation.de>
parents: 478
diff changeset
243 uid_t my_uid = geteuid();
302
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
244
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
245 if (my_uid != 0)
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 /* Running as a user */
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
248 char *homedir = getenv ("HOME");
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
249 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
250 int status = -1;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
251 if (!homedir)
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 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
254 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
255
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
256 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
257 my_uid, getgid(), homedir);
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
258
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
259 if (childprocess == -1)
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
260 {
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
261 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
262 return -1;
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
263 }
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
264
fac7e1b0e558 Add nss store calling function and use it in cinst
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
265 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
266 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
267 {
fac7e1b0e558 Add nss store calling function and use it in cinst
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268 ERRORPRINTF ("Waitpid failed.\n");
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269 return -1;
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270 }
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271
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272 return 0;
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273 }
648
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274
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275 setpwent();
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276
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277 while ((usr_it = getpwent ()) != NULL)
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278 {
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279 /* Skip obvious system accounts */
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280 if (strcmp(usr_it->pw_shell, "/usr/sbin/nologin") == 0 ||
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281 strcmp(usr_it->pw_shell, "/bin/false") == 0)
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282 {
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283 continue;
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284 }
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285 /* A check if the home directory starts with /home might be
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286 appropiate */
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287 start_procces_for_user (to_install,
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288 to_remove,
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289 usr_it->pw_uid,
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290 usr_it->pw_gid,
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291 usr_it->pw_dir);
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292
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293 }
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294
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295 endpwent();
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296
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297 waitpid (-1, NULL, 0);
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298
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299 DEBUGPRINTF ("NSS installation done\n");
302
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300 return 0;
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301 }
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302 #endif
http://wald.intevation.org/projects/trustbridge/