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7#include "common.h"
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17static bool tomoyo_check_env_acl(struct tomoyo_request_info *r,
18 const struct tomoyo_acl_info *ptr)
19{
20 const struct tomoyo_env_acl *acl =
21 container_of(ptr, typeof(*acl), head);
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23 return tomoyo_path_matches_pattern(r->param.environ.name, acl->env);
24}
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33static int tomoyo_audit_env_log(struct tomoyo_request_info *r)
34{
35 return tomoyo_supervisor(r, "misc env %s\n",
36 r->param.environ.name->name);
37}
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49int tomoyo_env_perm(struct tomoyo_request_info *r, const char *env)
50{
51 struct tomoyo_path_info environ;
52 int error;
53
54 if (!env || !*env)
55 return 0;
56 environ.name = env;
57 tomoyo_fill_path_info(&environ);
58 r->param_type = TOMOYO_TYPE_ENV_ACL;
59 r->param.environ.name = &environ;
60 do {
61 tomoyo_check_acl(r, tomoyo_check_env_acl);
62 error = tomoyo_audit_env_log(r);
63 } while (error == TOMOYO_RETRY_REQUEST);
64 return error;
65}
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75static bool tomoyo_same_env_acl(const struct tomoyo_acl_info *a,
76 const struct tomoyo_acl_info *b)
77{
78 const struct tomoyo_env_acl *p1 = container_of(a, typeof(*p1), head);
79 const struct tomoyo_env_acl *p2 = container_of(b, typeof(*p2), head);
80
81 return p1->env == p2->env;
82}
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93static int tomoyo_write_env(struct tomoyo_acl_param *param)
94{
95 struct tomoyo_env_acl e = { .head.type = TOMOYO_TYPE_ENV_ACL };
96 int error = -ENOMEM;
97 const char *data = tomoyo_read_token(param);
98
99 if (!tomoyo_correct_word(data) || strchr(data, '='))
100 return -EINVAL;
101 e.env = tomoyo_get_name(data);
102 if (!e.env)
103 return error;
104 error = tomoyo_update_domain(&e.head, sizeof(e), param,
105 tomoyo_same_env_acl, NULL);
106 tomoyo_put_name(e.env);
107 return error;
108}
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117int tomoyo_write_misc(struct tomoyo_acl_param *param)
118{
119 if (tomoyo_str_starts(¶m->data, "env "))
120 return tomoyo_write_env(param);
121 return -EINVAL;
122}
123