OpenCoverage

group-list.c

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/coreutils/src/src/group-list.c

Source code

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1 /* group-list.c --Print a list of group IDs or names. -

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 Arnold Robbins. -

18 Major rewrite by David MacKenzie, djm@gnu.ai.mit.edu. -

19 Extracted from id.c by James Youngman. */ -

20 -

21 #include <config.h> -

22 #include <stdio.h> -

23 #include <sys/types.h> -

24 #include <pwd.h> -

25 #include <grp.h> -

26 -

27 #include "system.h" -

28 #include "error.h" -

29 #include "mgetgroups.h" -

30 #include "quote.h" -

31 #include "group-list.h" -

32 -

33 -

34 /* Print all of the distinct groups the user is in. */ -

35 extern bool -

36 print_group_list (const char *username, -

37 uid_t ruid, gid_t rgid, gid_t egid, -

38 bool use_names, char delim) -

39 { -

40 bool ok = true; -

41 struct passwd *pwd = NULL; -

42 -

if (username)

username	Description
TRUE	evaluated 35 times by 1 test Evaluated by: id
FALSE	evaluated 15 times by 1 test Evaluated by: id

15-35

44 { -

45 pwd = getpwuid (ruid); -

if (pwd == NULL)

pwd == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 35 times by 1 test Evaluated by: id

0-35

ok = false;

never executed: ok = 0 ;

}

executed 35 times by 1 test: end of block

Executed by:

49 -

if (!print_group (rgid, use_names))

!print_group (rgid, use_names)	Description
TRUE	never evaluated
FALSE	evaluated 50 times by 1 test Evaluated by: id

0-50

ok = false;

never executed: ok = 0 ;

52 -

if (egid != rgid)

egid != rgid	Description
TRUE	never evaluated
FALSE	evaluated 50 times by 1 test Evaluated by: id

0-50

54 { -

55 putchar (delim); -

if (!print_group (egid, use_names))

!print_group (egid, use_names)	Description
TRUE	never evaluated
FALSE	never evaluated

ok = false;

never executed: ok = 0 ;

}

never executed: end of block

59 -

60 { -

61 gid_t *groups; -

62 -

63 int n_groups = xgetgroups (username, (pwd ? pwd->pw_gid : egid), &groups); -

if (n_groups < 0)

n_groups < 0	Description
TRUE	never evaluated
FALSE	evaluated 50 times by 1 test Evaluated by: id

0-50

65 { -

if (username)

username	Description
TRUE	never evaluated
FALSE	never evaluated

67 { -

68 error (0, errno, _("failed to get groups for user %s"), -

69 quote (username)); -

}

never executed: end of block

71 else -

72 { -

73 error (0, errno, _("failed to get groups for the current process")); -

}

never executed: end of block

return false;

never executed: return 0 ;

76 } -

77 -

for (int i = 0; i < n_groups; i++)

i < n_groups	Description
TRUE	evaluated 310 times by 1 test Evaluated by: id
FALSE	evaluated 50 times by 1 test Evaluated by: id

50-310

if (groups[i] != rgid && groups[i] != egid)

groups[i] != rgid	Description
TRUE	evaluated 260 times by 1 test Evaluated by: id
FALSE	evaluated 50 times by 1 test Evaluated by: id

groups[i] != egid	Description
TRUE	evaluated 260 times by 1 test Evaluated by: id
FALSE	never evaluated

0-260

80 { -

81 putchar (delim); -

if (!print_group (groups[i], use_names))

!print_group (...i], use_names)	Description
TRUE	never evaluated
FALSE	evaluated 260 times by 1 test Evaluated by: id

0-260

ok = false;

never executed: ok = 0 ;

}

executed 260 times by 1 test: end of block

Executed by:

260

85 free (groups); -

86 } -

return ok;

executed 50 times by 1 test: return ok;

Executed by:

88 } -

89 -

90 /* Convert a gid_t to string. Do not use this function directly. -

91 Instead, use it via the gidtostr macro. -

92 Beware that it returns a pointer to static storage. */ -

93 static char * -

94 gidtostr_ptr (gid_t const *gid) -

95 { -

96 static char buf[INT_BUFSIZE_BOUND (uintmax_t)]; -

return umaxtostr (*gid, buf);

executed 237 times by 1 test: return umaxtostr (*gid, buf);

Executed by:

237

98 } -

99 #define gidtostr(g) gidtostr_ptr (&(g)) -

100 -

101 /* Print the name or value of group ID GID. */ -

102 extern bool -

103 print_group (gid_t gid, bool use_name) -

104 { -

105 struct group *grp = NULL; -

106 bool ok = true; -

107 -

108

if (use_name)

use_name	Description
TRUE	evaluated 121 times by 1 test Evaluated by: id
FALSE	evaluated 237 times by 1 test Evaluated by: id

121-237

109 { -

110 grp = getgrgid (gid); -

111

if (grp == NULL)

grp == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 121 times by 1 test Evaluated by: id

0-121

112 { -

113 error (0, 0, _("cannot find name for group ID %lu"), -

114 (unsigned long int) gid); -

115 ok = false; -

116

}

never executed: end of block

117

}

executed 121 times by 1 test: end of block

Executed by:

121

118 -

119

char *s = grp ? grp->gr_name : gidtostr (gid);

grp	Description
TRUE	evaluated 121 times by 1 test Evaluated by: id
FALSE	evaluated 237 times by 1 test Evaluated by: id

121-237

120 fputs (s, stdout); -

121

return ok;

executed 358 times by 1 test: return ok;

Executed by:

358

122 } -

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