OpenCoverage

groups.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/coreutils/src/src/groups.c
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1/* groups -- print the groups a user is in-
2 Copyright (C) 1989-2018 Free Software Foundation, Inc.-
3-
4 This program is free software: you can redistribute it and/or modify-
5 it under the terms of the GNU General Public License as published by-
6 the Free Software Foundation, either version 3 of the License, or-
7 (at your option) any later version.-
8-
9 This program is distributed in the hope that it will be useful,-
10 but WITHOUT ANY WARRANTY; without even the implied warranty of-
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the-
12 GNU General Public License for more details.-
13-
14 You should have received a copy of the GNU General Public License-
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */-
16-
17/* Written by James Youngman based on id.c and groups.sh,-
18 which were written by Arnold Robbins and David MacKenzie. */-
19-
20#include <config.h>-
21#include <stdio.h>-
22#include <sys/types.h>-
23#include <pwd.h>-
24#include <grp.h>-
25#include <getopt.h>-
26-
27#include "system.h"-
28#include "die.h"-
29#include "group-list.h"-
30#include "quote.h"-
31-
32/* The official name of this program (e.g., no 'g' prefix). */-
33#define PROGRAM_NAME "groups"-
34-
35#define AUTHORS \-
36 proper_name ("David MacKenzie"), \-
37 proper_name ("James Youngman")-
38-
39-
40static struct option const longopts[] =-
41{-
42 {GETOPT_HELP_OPTION_DECL},-
43 {GETOPT_VERSION_OPTION_DECL},-
44 {NULL, 0, NULL, 0}-
45};-
46-
47void-
48usage (int status)-
49{-
50 if (status != EXIT_SUCCESS)
status != 0Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • groups
FALSEevaluated 3 times by 1 test
Evaluated by:
  • groups
3
51 emit_try_help ();
executed 3 times by 1 test: end of block
Executed by:
  • groups
3
52 else-
53 {-
54 printf (_("Usage: %s [OPTION]... [USERNAME]...\n"), program_name);-
55 fputs (_("\-
56Print group memberships for each USERNAME or, if no USERNAME is specified, for\-
57\n\-
58the current process (which may differ if the groups database has changed).\n"),-
59 stdout);-
60 fputs (HELP_OPTION_DESCRIPTION, stdout);-
61 fputs (VERSION_OPTION_DESCRIPTION, stdout);-
62 emit_ancillary_info (PROGRAM_NAME);-
63 }
executed 3 times by 1 test: end of block
Executed by:
  • groups
3
64 exit (status);
executed 6 times by 1 test: exit (status);
Executed by:
  • groups
6
65}-
66-
67int-
68main (int argc, char **argv)-
69{-
70 int optc;-
71 bool ok = true;-
72 gid_t rgid, egid;-
73 uid_t ruid;-
74-
75 initialize_main (&argc, &argv);-
76 set_program_name (argv[0]);-
77 setlocale (LC_ALL, "");-
78 bindtextdomain (PACKAGE, LOCALEDIR);-
79 textdomain (PACKAGE);-
80-
81 atexit (close_stdout);-
82-
83 /* Processing the arguments this way makes groups.c behave differently to-
84 * groups.sh if one of the arguments is "--".-
85 */-
86 while ((optc = getopt_long (argc, argv, "", longopts, NULL)) != -1)
(optc = getopt... *)0) )) != -1Description
TRUEevaluated 14 times by 1 test
Evaluated by:
  • groups
FALSEevaluated 2 times by 1 test
Evaluated by:
  • groups
2-14
87 {-
88 switch (optc)-
89 {-
90 case_GETOPT_HELP_CHAR;
never executed: break;
executed 3 times by 1 test: case GETOPT_HELP_CHAR:
Executed by:
  • groups
0-3
91 case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
executed 8 times by 1 test: exit ( 0 );
Executed by:
  • groups
never executed: break;
executed 8 times by 1 test: case GETOPT_VERSION_CHAR:
Executed by:
  • groups
0-8
92 default:
executed 3 times by 1 test: default:
Executed by:
  • groups
3
93 usage (EXIT_FAILURE);-
94 }
never executed: end of block
0
95 }-
96-
97 if (optind == argc)
optind == argcDescription
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • groups
0-2
98 {-
99 /* No arguments. Divulge the details of the current process. */-
100 uid_t NO_UID = -1;-
101 gid_t NO_GID = -1;-
102-
103 errno = 0;-
104 ruid = getuid ();-
105 if (ruid == NO_UID && errno)
ruid == NO_UIDDescription
TRUEnever evaluated
FALSEnever evaluated
(*__errno_location ())Description
TRUEnever evaluated
FALSEnever evaluated
0
106 die (EXIT_FAILURE, errno, _("cannot get real UID"));
never executed: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"cannot get real UID\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "cannot get real UID" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "cannot get real UID" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));
0
107-
108 errno = 0;-
109 egid = getegid ();-
110 if (egid == NO_GID && errno)
egid == NO_GIDDescription
TRUEnever evaluated
FALSEnever evaluated
(*__errno_location ())Description
TRUEnever evaluated
FALSEnever evaluated
0
111 die (EXIT_FAILURE, errno, _("cannot get effective GID"));
never executed: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"cannot get effective GID\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "cannot get effective GID" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "cannot get effective GID" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));
0
112-
113 errno = 0;-
114 rgid = getgid ();-
115 if (rgid == NO_GID && errno)
rgid == NO_GIDDescription
TRUEnever evaluated
FALSEnever evaluated
(*__errno_location ())Description
TRUEnever evaluated
FALSEnever evaluated
0
116 die (EXIT_FAILURE, errno, _("cannot get real GID"));
never executed: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"cannot get real GID\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "cannot get real GID" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "cannot get real GID" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));
0
117-
118 if (!print_group_list (NULL, ruid, rgid, egid, true, ' '))
!print_group_l...egid, 1 , ' ')Description
TRUEnever evaluated
FALSEnever evaluated
0
119 ok = false;
never executed: ok = 0 ;
0
120 putchar ('\n');-
121 }
never executed: end of block
0
122 else-
123 {-
124 /* At least one argument. Divulge the details of the specified users. */-
125 for ( ; optind < argc; optind++)
optind < argcDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • groups
FALSEevaluated 2 times by 1 test
Evaluated by:
  • groups
2-4
126 {-
127 struct passwd *pwd = getpwnam (argv[optind]);-
128 if (pwd == NULL)
pwd == ((void *)0)Description
TRUEevaluated 4 times by 1 test
Evaluated by:
  • groups
FALSEnever evaluated
0-4
129 {-
130 error (0, 0, _("%s: no such user"), quote (argv[optind]));-
131 ok = false;-
132 continue;
executed 4 times by 1 test: continue;
Executed by:
  • groups
4
133 }-
134 ruid = pwd->pw_uid;-
135 rgid = egid = pwd->pw_gid;-
136-
137 printf ("%s : ", argv[optind]);-
138 if (!print_group_list (argv[optind], ruid, rgid, egid, true, ' '))
!print_group_l...egid, 1 , ' ')Description
TRUEnever evaluated
FALSEnever evaluated
0
139 ok = false;
never executed: ok = 0 ;
0
140 putchar ('\n');-
141 }
never executed: end of block
0
142 }
executed 2 times by 1 test: end of block
Executed by:
  • groups
2
143-
144 return ok ? EXIT_SUCCESS : EXIT_FAILURE;
executed 2 times by 1 test: return ok ? 0 : 1 ;
Executed by:
  • groups
2
145}-
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