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Controller: validating user and group names.

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This commit is contained in:
Igor Sysoev
2017-09-06 02:30:23 +03:00
parent f0723995a7
commit 22ae3d4ff5
1 changed files with 67 additions and 4 deletions
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71
src/nxt_conf_validation.c
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@@ -22,6 +22,9 @@ typedef nxt_int_t (*nxt_conf_vldt_member_t)(nxt_conf_value_t *conf,
nxt_str_t *name, nxt_str_t *name,
nxt_conf_value_t *value); nxt_conf_value_t *value);
typedef nxt_int_t (*nxt_conf_vldt_system_t)(nxt_conf_value_t *conf, char *name);
static nxt_int_t nxt_conf_vldt_listener(nxt_conf_value_t *conf, nxt_str_t *name, static nxt_int_t nxt_conf_vldt_listener(nxt_conf_value_t *conf, nxt_str_t *name,
nxt_conf_value_t *value); nxt_conf_value_t *value);
static nxt_int_t nxt_conf_vldt_app_name(nxt_conf_value_t *conf, static nxt_int_t nxt_conf_vldt_app_name(nxt_conf_value_t *conf,
@@ -32,6 +35,10 @@ static nxt_int_t nxt_conf_vldt_object(nxt_conf_value_t *conf,
nxt_conf_value_t *value, void *data); nxt_conf_value_t *value, void *data);
static nxt_int_t nxt_conf_vldt_object_iterator(nxt_conf_value_t *conf, static nxt_int_t nxt_conf_vldt_object_iterator(nxt_conf_value_t *conf,
nxt_conf_value_t *value, void *data); nxt_conf_value_t *value, void *data);
static nxt_int_t nxt_conf_vldt_system(nxt_conf_value_t *conf,
nxt_conf_value_t *value, void *data);
static nxt_int_t nxt_conf_vldt_user(nxt_conf_value_t *conf, char *name);
static nxt_int_t nxt_conf_vldt_group(nxt_conf_value_t *conf, char *name);
static nxt_conf_vldt_object_t nxt_conf_vldt_root_members[] = { static nxt_conf_vldt_object_t nxt_conf_vldt_root_members[] = {
@@ -72,13 +79,13 @@ static nxt_conf_vldt_object_t nxt_conf_vldt_python_members[] = {
{ nxt_string("user"), { nxt_string("user"),
NXT_CONF_STRING, NXT_CONF_STRING,
NULL, nxt_conf_vldt_system,
NULL }, (void *) &nxt_conf_vldt_user },
{ nxt_string("group"), { nxt_string("group"),
NXT_CONF_STRING, NXT_CONF_STRING,
NULL, nxt_conf_vldt_system,
NULL }, (void *) &nxt_conf_vldt_group },
{ nxt_string("working_directory"), { nxt_string("working_directory"),
NXT_CONF_STRING, NXT_CONF_STRING,
@@ -341,3 +348,59 @@ nxt_conf_vldt_object_iterator(nxt_conf_value_t *conf, nxt_conf_value_t *value,
} }
} }
} }
static nxt_int_t
nxt_conf_vldt_system(nxt_conf_value_t *conf, nxt_conf_value_t *value,
void *data)
{
size_t length;
nxt_str_t name;
nxt_conf_vldt_system_t vldt;
char string[32];
vldt = data;
nxt_conf_get_string(value, &name);
length = name.length + 1;
length = nxt_min(length, sizeof(string));
nxt_cpystrn((u_char *) string, name.start, length);
return vldt(conf, string);
}
static nxt_int_t
nxt_conf_vldt_user(nxt_conf_value_t *conf, char *user)
{
struct passwd *pwd;
nxt_errno = 0;
pwd = getpwnam(user);
if (pwd != NULL) {
return NXT_OK;
}
return NXT_ERROR;
}
static nxt_int_t
nxt_conf_vldt_group(nxt_conf_value_t *conf, char *group)
{
struct group *grp;
nxt_errno = 0;
grp = getgrnam(group);
if (grp != NULL) {
return NXT_OK;
}
return NXT_ERROR;
}