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annotate cinst/nssstore_linux.c @ 824:a511c1f45c70

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(Issue47) Drop privileges before executing NSS process.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 21 Jul 2014 18:51:34 +0200
parents e41a2537b84d
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
383
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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;
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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 {
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Andre Heinecke <andre.heinecke@intevation.de>
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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/