static int smb_acl_set_mode(acl_entry_t entry, SMB_ACL_PERM_T perm)
{
int ret;
acl_permset_t permset;
if ((ret = acl_get_permset(entry, &permset)) != 0) {
return ret;
}
if ((ret = acl_clear_perms(permset)) != 0) {
return ret;
}
if ((perm & SMB_ACL_READ) &&
((ret = acl_add_perm(permset, ACL_READ)) != 0)) {
return ret;
}
if ((perm & SMB_ACL_WRITE) &&
((ret = acl_add_perm(permset, ACL_WRITE)) != 0)) {
return ret;
}
if ((perm & SMB_ACL_EXECUTE) &&
((ret = acl_add_perm(permset, ACL_EXECUTE)) != 0)) {
return ret;
}
return acl_set_permset(entry, permset);
}
static void
setPerms(acl_entry_t entry, int perms)
{
acl_permset_t permset;
if (acl_get_permset(entry, &permset) == -1)
errExit("acl_get_permset");
if (acl_clear_perms(permset) == -1)
errExit("acl_clear_perms");
if (perms & ACL_READ)
if (acl_add_perm(permset, ACL_READ) == -1)
errExit("acl_add_perm");
if (perms & ACL_WRITE)
if (acl_add_perm(permset, ACL_WRITE) == -1)
errExit("acl_add_perm");
if (perms & ACL_EXECUTE)
if (acl_add_perm(permset, ACL_EXECUTE) == -1)
errExit("acl_add_perm");
if (acl_set_permset(entry, permset) == -1)
errExit("acl_set_permset");
}
acl_t
pfl_acl_from_xattr(const void *buf, size_t size)
{
int i, entries;
const struct acl_ea_header *h = buf;
const struct acl_ea_entry *xe = PSC_AGP(h + 1, 0);
unsigned int xperms;
acl_permset_t permset;
acl_entry_t e;
acl_tag_t tag;
acl_t a;
if (size < sizeof(*h)) {
errno = EINVAL;
return (NULL);
}
if (le32toh(h->version) != ACL_EA_VERSION) {
errno = EINVAL;
return (NULL);
}
size -= sizeof(*h);
if (size % sizeof(*xe)) {
errno = EINVAL;
return (NULL);
}
entries = size / sizeof(*xe);
a = acl_init(entries);
if (a == NULL)
return (NULL);
for (i = 0; i < entries; i++, xe++) {
acl_create_entry(&a, &e);
if (acl_get_permset(e, &permset) == -1)
psclog_error("get_permset");
acl_clear_perms(permset);
xperms = le16toh(xe->perm);
if (xperms & ACL_READ)
acl_add_perm(permset, ACL_READ);
if (xperms & ACL_WRITE)
acl_add_perm(permset, ACL_WRITE);
if (xperms & ACL_EXECUTE)
acl_add_perm(permset, ACL_EXECUTE);
if (acl_set_permset(e, permset) == -1)
psclog_error("set_permset");
acl_set_tag_type(e, tag = le16toh(xe->tag));
switch (tag) {
case ACL_USER: {
uid_t uid = le32toh(xe->id);
acl_set_qualifier(e, &uid);
break;
}
case ACL_GROUP: {
gid_t gid = le32toh(xe->id);
acl_set_qualifier(e, &gid);
break;
}
}
}
return (a);
}
static int ParseModePosixLinux(char *mode, acl_permset_t perms)
{
int retv;
int more_entries;
acl_perm_t perm;
enum { add, del } op;
op = add;
if (*mode == '\0' || *mode == ':')
{
if (acl_clear_perms(perms) != 0)
{
Log(LOG_LEVEL_ERR, "Error clearing perms. (acl_clear_perms: %s)", GetErrorStr());
return false;
}
else
{
return true;
}
}
more_entries = true;
while (more_entries)
{
switch (*mode)
{
case '+':
op = add;
mode++;
break;
case '-':
op = del;
mode++;
break;
case '=':
mode++;
// fallthrough
default:
// if mode does not start with + or -, we clear existing perms
op = add;
if (acl_clear_perms(perms) != 0)
{
Log(LOG_LEVEL_ERR, "Unable to clear ACL permissions. (acl_clear_perms: %s)", GetErrorStr());
return false;
}
}
// parse generic perms (they are 1-1 on Posix)
while (*mode != '\0' && strchr(CF_VALID_GPERMS, *mode))
{
if (*mode == '\0')
{
break;
}
switch (*mode)
{
case 'r':
perm = ACL_READ;
break;
case 'w':
perm = ACL_WRITE;
break;
case 'x':
perm = ACL_EXECUTE;
break;
default:
Log(LOG_LEVEL_ERR, "No linux support for generic permission flag '%c'", *mode);
return false;
}
if (op == add)
{
retv = acl_add_perm(perms, perm);
}
else
{
retv = acl_delete_perm(perms, perm);
}
if (retv != 0)
{
Log(LOG_LEVEL_ERR, "Could not change ACE permission. (acl_[add|delete]_perms: %s)", GetErrorStr());
return false;
}
mode++;
}
// parse native perms
if (*mode == CF_NATIVE_PERMS_SEP_START)
{
mode++;
while (*mode != '\0' && strchr(CF_VALID_NPERMS_POSIX, *mode))
{
switch (*mode)
{
case 'r':
perm = ACL_READ;
break;
case 'w':
perm = ACL_WRITE;
break;
case 'x':
perm = ACL_EXECUTE;
break;
default:
Log(LOG_LEVEL_ERR, "No linux support for native permission flag '%c'", *mode);
return false;
}
if (op == add)
{
retv = acl_add_perm(perms, perm);
}
else
{
retv = acl_delete_perm(perms, perm);
}
if (retv != 0)
{
Log(LOG_LEVEL_ERR, "Could not change ACE permission. (acl_[add|delete]_perm: %s)", GetErrorStr());
return false;
}
mode++;
}
// scan past native perms end seperator
mode++;
}
if (*mode == ',')
{
more_entries = true;
mode++;
}
else
{
more_entries = false;
}
}
return true;
}
static int CheckPosixLinuxACEs(EvalContext *ctx, Rlist *aces, AclMethod method, const char *file_path, acl_type_t acl_type, Attributes a,
const Promise *pp, PromiseResult *result)
{
acl_t acl_existing;
acl_t acl_new;
acl_t acl_tmp;
acl_entry_t ace_parsed;
acl_entry_t ace_current;
acl_permset_t perms;
char *cf_ace;
int retv;
int has_mask;
Rlist *rp;
char *acl_type_str;
acl_new = NULL;
acl_existing = NULL;
acl_tmp = NULL;
has_mask = false;
acl_type_str = acl_type == ACL_TYPE_ACCESS ? "Access" : "Default";
// read existing acl
if ((acl_existing = acl_get_file(file_path, acl_type)) == NULL)
{
Log(LOG_LEVEL_VERBOSE, "No ACL for '%s' could be read. (acl_get_file: %s)", file_path, GetErrorStr());
return false;
}
// allocate memory for temp ace (it needs to reside in a temp acl)
if ((acl_tmp = acl_init(1)) == NULL)
{
Log(LOG_LEVEL_ERR, "New ACL could not be allocated (acl_init: %s)", GetErrorStr());
acl_free((void *) acl_existing);
return false;
}
if (acl_create_entry(&acl_tmp, &ace_parsed) != 0)
{
Log(LOG_LEVEL_ERR, "New ACL could not be allocated (acl_create_entry: %s)", GetErrorStr());
acl_free((void *) acl_existing);
acl_free((void *) acl_tmp);
return false;
}
// copy existing aces if we are appending
if (method == ACL_METHOD_APPEND)
{
if ((acl_new = acl_dup(acl_existing)) == NULL)
{
Log(LOG_LEVEL_ERR, "Error copying existing ACL (acl_dup: %s)", GetErrorStr());
acl_free((void *) acl_existing);
acl_free((void *) acl_tmp);
return false;
}
}
else // overwrite existing acl
{
if ((acl_new = acl_init(5)) == NULL) // TODO: Always OK with 5 here ?
{
Log(LOG_LEVEL_ERR, "New ACL could not be allocated (acl_init: %s)", GetErrorStr());
acl_free((void *) acl_existing);
acl_free((void *) acl_tmp);
return false;
}
}
for (rp = aces; rp != NULL; rp = rp->next)
{
cf_ace = RlistScalarValue(rp);
if (!ParseEntityPosixLinux(&cf_ace, ace_parsed, &has_mask))
{
Log(LOG_LEVEL_ERR, "Error parsing entity in 'cf_ace'.");
acl_free((void *) acl_existing);
acl_free((void *) acl_tmp);
acl_free((void *) acl_new);
return false;
}
// check if an ACE with this entity-type and id already exist in the Posix Linux ACL
ace_current = FindACE(acl_new, ace_parsed);
// create new entry in ACL if it did not exist
if (ace_current == NULL)
{
if (acl_create_entry(&acl_new, &ace_current) != 0)
{
Log(LOG_LEVEL_ERR, "Failed to allocate ace (acl_create_entry: %s)", GetErrorStr());
acl_free((void *) acl_existing);
acl_free((void *) acl_tmp);
acl_free((void *) acl_new);
return false;
}
// copy parsed entity-type and id
if (acl_copy_entry(ace_current, ace_parsed) != 0)
{
Log(LOG_LEVEL_ERR, "Error copying Linux entry in 'cf_ace' (acl_copy_entry: %s)", GetErrorStr());
acl_free((void *) acl_existing);
acl_free((void *) acl_tmp);
acl_free((void *) acl_new);
return false;
}
// clear ace_current's permissions to avoid ace_parsed from last
// loop iteration to be taken into account when applying mode below
if ((acl_get_permset(ace_current, &perms) != 0))
{
Log(LOG_LEVEL_ERR, "Error obtaining permset for 'ace_current' (acl_get_permset: %s)", GetErrorStr());
acl_free((void *) acl_existing);
acl_free((void *) acl_tmp);
acl_free((void *) acl_new);
return false;
}
if (acl_clear_perms(perms) != 0)
{
Log(LOG_LEVEL_ERR, "Error clearing permset for 'ace_current'. (acl_clear_perms: %s)", GetErrorStr());
acl_free((void *) acl_existing);
acl_free((void *) acl_tmp);
acl_free((void *) acl_new);
return false;
}
}
// mode string should be prefixed with an entry seperator
if (*cf_ace != ':')
{
Log(LOG_LEVEL_ERR, "No separator before mode-string in 'cf_ace'");
acl_free((void *) acl_existing);
acl_free((void *) acl_tmp);
acl_free((void *) acl_new);
return false;
}
cf_ace += 1;
if (acl_get_permset(ace_current, &perms) != 0)
{
Log(LOG_LEVEL_ERR, "Error obtaining permset for 'cf_ace'");
acl_free((void *) acl_existing);
acl_free((void *) acl_tmp);
acl_free((void *) acl_new);
return false;
}
if (!ParseModePosixLinux(cf_ace, perms))
{
Log(LOG_LEVEL_ERR, "Error parsing mode-string in 'cf_ace'");
acl_free((void *) acl_existing);
acl_free((void *) acl_tmp);
acl_free((void *) acl_new);
return false;
}
// only allow permissions exist on posix acls, so we do
// not check what follows next
}
// if no mask exists, calculate one (or both?): run acl_calc_mask and add one
if (!has_mask)
{
if (acl_calc_mask(&acl_new) != 0)
{
Log(LOG_LEVEL_ERR, "Error calculating new acl mask");
acl_free((void *) acl_existing);
acl_free((void *) acl_tmp);
acl_free((void *) acl_new);
return false;
}
}
if ((retv = ACLEquals(acl_existing, acl_new)) == -1)
{
Log(LOG_LEVEL_ERR, "Error while comparing existing and new ACL, unable to repair.");
acl_free((void *) acl_existing);
acl_free((void *) acl_tmp);
acl_free((void *) acl_new);
return false;
}
if (retv == 1) // existing and new acl differ, update existing
{
switch (a.transaction.action)
{
case cfa_warn:
cfPS(ctx, LOG_LEVEL_ERR, PROMISE_RESULT_WARN, pp, a, "%s ACL on file '%s' needs to be updated", acl_type_str, file_path);
*result = PromiseResultUpdate(*result, PROMISE_RESULT_WARN);
break;
case cfa_fix:
if (!DONTDO)
{
if ((retv = acl_set_file(file_path, acl_type, acl_new)) != 0)
{
Log(LOG_LEVEL_ERR, "Error setting new %s ACL on file '%s' (acl_set_file: %s), are required ACEs present ?",
acl_type_str, file_path, GetErrorStr());
acl_free((void *) acl_existing);
acl_free((void *) acl_tmp);
acl_free((void *) acl_new);
return false;
}
}
cfPS(ctx, LOG_LEVEL_INFO, PROMISE_RESULT_CHANGE, pp, a, "%s ACL on '%s' successfully changed.", acl_type_str, file_path);
*result = PromiseResultUpdate(*result, PROMISE_RESULT_CHANGE);
break;
default:
ProgrammingError("CFEngine: internal error: illegal file action");
}
}
else
{
cfPS(ctx, LOG_LEVEL_INFO, PROMISE_RESULT_NOOP, pp, a, "'%s' ACL on '%s' needs no modification.", acl_type_str, file_path);
}
acl_free((void *) acl_existing);
acl_free((void *) acl_new);
acl_free((void *) acl_tmp);
return true;
}
static int
set_acl(struct archive *a, int fd, const char *name,
struct archive_acl *abstract_acl,
acl_type_t acl_type, int ae_requested_type, const char *tname)
{
acl_t acl;
acl_entry_t acl_entry;
acl_permset_t acl_permset;
#ifdef ACL_TYPE_NFS4
acl_flagset_t acl_flagset;
int r;
#endif
int ret;
int ae_type, ae_permset, ae_tag, ae_id;
uid_t ae_uid;
gid_t ae_gid;
const char *ae_name;
int entries;
int i;
ret = ARCHIVE_OK;
entries = archive_acl_reset(abstract_acl, ae_requested_type);
if (entries == 0)
return (ARCHIVE_OK);
acl = acl_init(entries);
while (archive_acl_next(a, abstract_acl, ae_requested_type, &ae_type,
&ae_permset, &ae_tag, &ae_id, &ae_name) == ARCHIVE_OK) {
acl_create_entry(&acl, &acl_entry);
switch (ae_tag) {
case ARCHIVE_ENTRY_ACL_USER:
acl_set_tag_type(acl_entry, ACL_USER);
ae_uid = archive_write_disk_uid(a, ae_name, ae_id);
acl_set_qualifier(acl_entry, &ae_uid);
break;
case ARCHIVE_ENTRY_ACL_GROUP:
acl_set_tag_type(acl_entry, ACL_GROUP);
ae_gid = archive_write_disk_gid(a, ae_name, ae_id);
acl_set_qualifier(acl_entry, &ae_gid);
break;
case ARCHIVE_ENTRY_ACL_USER_OBJ:
acl_set_tag_type(acl_entry, ACL_USER_OBJ);
break;
case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
acl_set_tag_type(acl_entry, ACL_GROUP_OBJ);
break;
case ARCHIVE_ENTRY_ACL_MASK:
acl_set_tag_type(acl_entry, ACL_MASK);
break;
case ARCHIVE_ENTRY_ACL_OTHER:
acl_set_tag_type(acl_entry, ACL_OTHER);
break;
#ifdef ACL_TYPE_NFS4
case ARCHIVE_ENTRY_ACL_EVERYONE:
acl_set_tag_type(acl_entry, ACL_EVERYONE);
break;
#endif
default:
/* XXX */
break;
}
#ifdef ACL_TYPE_NFS4
switch (ae_type) {
case ARCHIVE_ENTRY_ACL_TYPE_ALLOW:
acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_ALLOW);
break;
case ARCHIVE_ENTRY_ACL_TYPE_DENY:
acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_DENY);
break;
case ARCHIVE_ENTRY_ACL_TYPE_AUDIT:
acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_AUDIT);
break;
case ARCHIVE_ENTRY_ACL_TYPE_ALARM:
acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_ALARM);
break;
case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
// These don't translate directly into the system ACL.
break;
default:
// XXX error handling here.
break;
}
#endif
acl_get_permset(acl_entry, &acl_permset);
acl_clear_perms(acl_permset);
for (i = 0; i < (int)(sizeof(acl_perm_map) / sizeof(acl_perm_map[0])); ++i) {
if (ae_permset & acl_perm_map[i].archive_perm)
acl_add_perm(acl_permset,
acl_perm_map[i].platform_perm);
}
#ifdef ACL_TYPE_NFS4
// XXX acl_get_flagset_np on FreeBSD returns EINVAL for
// non-NFSv4 ACLs
r = acl_get_flagset_np(acl_entry, &acl_flagset);
if (r == 0) {
acl_clear_flags_np(acl_flagset);
for (i = 0; i < (int)(sizeof(acl_inherit_map) / sizeof(acl_inherit_map[0])); ++i) {
if (ae_permset & acl_inherit_map[i].archive_inherit)
acl_add_flag_np(acl_flagset,
acl_inherit_map[i].platform_inherit);
}
}
#endif
}
/* Try restoring the ACL through 'fd' if we can. */
#if HAVE_ACL_SET_FD
if (fd >= 0 && acl_type == ACL_TYPE_ACCESS && acl_set_fd(fd, acl) == 0)
ret = ARCHIVE_OK;
else
#else
#if HAVE_ACL_SET_FD_NP
if (fd >= 0 && acl_set_fd_np(fd, acl, acl_type) == 0)
ret = ARCHIVE_OK;
else
#endif
#endif
#if HAVE_ACL_SET_LINK_NP
if (acl_set_link_np(name, acl_type, acl) != 0) {
archive_set_error(a, errno, "Failed to set %s acl", tname);
ret = ARCHIVE_WARN;
}
#else
/* TODO: Skip this if 'name' is a symlink. */
if (acl_set_file(name, acl_type, acl) != 0) {
archive_set_error(a, errno, "Failed to set %s acl", tname);
ret = ARCHIVE_WARN;
}
#endif
acl_free(acl);
return (ret);
}
int
acl_readonly_example(uuid_t *uuid)
{
int fd;
acl_t acl;
acl_entry_t ace;
acl_permset_t perms;
filesec_t fsec;
/* initialize our ACL */
if (NULL == (acl = acl_init(32)))
err(1, "acl_init()");
/*
* create an ACE
*
* acl_create_entry_np() has a position capability via the
* 'entry_index' argument (ACL_FIRST_ENTRY or ACL_LAST_ENTRY)
*/
if (0 != acl_create_entry(&acl, &ace))
err(1, "acl_create_entry()");
/* allow or deny */
if (0 != acl_set_tag_type(ace, ACL_EXTENDED_ALLOW))
err(1, "acl_set_tag_type()");
/* associate this with our uuid */
if (0 != acl_set_qualifier(ace, uuid))
err(1, "acl_set_qualifier()");
/* grant "read only" permissions */
if (0 != acl_get_permset(ace, &perms))
err(1, "acl_get_permset()");
if (0 != acl_clear_perms(perms))
err(1, "acl_clear_perms()");
if (0 != acl_add_perm(perms, ROPERMS))
err(1, "acl_add_perm()");
if (0 != acl_set_permset(ace, perms))
err(1, "acl_set_permset()");
/* create a file security object */
fsec = filesec_init();
/* add the ACL to the security descriptor */
filesec_set_property(fsec, FILESEC_ACL, &acl);
acl_free(acl);
/* turn off all other permissions on the file */
filesec_set_property(fsec, FILESEC_MODE, 0);
/* create a file using our ACL */
fd = openx_np("foo", O_CREAT|O_EXCL|O_RDWR, fsec);
/* clean up */
filesec_free(fsec);
if (-1 != fd )
close(fd);
return(fd);
}
int fpm_unix_resolve_socket_premissions(struct fpm_worker_pool_s *wp) /* {{{ */
{
struct fpm_worker_pool_config_s *c = wp->config;
#ifdef HAVE_FPM_ACL
int n;
/* uninitialized */
wp->socket_acl = NULL;
#endif
wp->socket_uid = -1;
wp->socket_gid = -1;
wp->socket_mode = 0660;
if (!c) {
return 0;
}
if (c->listen_mode && *c->listen_mode) {
wp->socket_mode = strtoul(c->listen_mode, 0, 8);
}
#ifdef HAVE_FPM_ACL
/* count the users and groups configured */
n = 0;
if (c->listen_acl_users && *c->listen_acl_users) {
char *p;
n++;
for (p=strchr(c->listen_acl_users, ',') ; p ; p=strchr(p+1, ',')) {
n++;
}
}
if (c->listen_acl_groups && *c->listen_acl_groups) {
char *p;
n++;
for (p=strchr(c->listen_acl_groups, ',') ; p ; p=strchr(p+1, ',')) {
n++;
}
}
/* if ACL configured */
if (n) {
acl_t acl;
acl_entry_t entry;
acl_permset_t perm;
char *tmp, *p, *end;
acl = acl_init(n);
if (!acl) {
zlog(ZLOG_SYSERROR, "[pool %s] cannot allocate ACL", wp->config->name);
return -1;
}
/* Create USER ACL */
if (c->listen_acl_users && *c->listen_acl_users) {
struct passwd *pwd;
tmp = estrdup(c->listen_acl_users);
for (p=tmp ; p ; p=end) {
if ((end = strchr(p, ','))) {
*end++ = 0;
}
pwd = getpwnam(p);
if (pwd) {
zlog(ZLOG_DEBUG, "[pool %s] user '%s' have uid=%d", wp->config->name, p, pwd->pw_uid);
} else {
zlog(ZLOG_SYSERROR, "[pool %s] cannot get uid for user '%s'", wp->config->name, p);
acl_free(acl);
efree(tmp);
return -1;
}
if (0 > acl_create_entry(&acl, &entry) ||
0 > acl_set_tag_type(entry, ACL_USER) ||
0 > acl_set_qualifier(entry, &pwd->pw_uid) ||
0 > acl_get_permset(entry, &perm) ||
0 > acl_clear_perms (perm) ||
0 > acl_add_perm (perm, ACL_READ) ||
0 > acl_add_perm (perm, ACL_WRITE)) {
zlog(ZLOG_SYSERROR, "[pool %s] cannot create ACL for user '%s'", wp->config->name, p);
acl_free(acl);
efree(tmp);
return -1;
}
}
efree(tmp);
}
/* Create GROUP ACL */
if (c->listen_acl_groups && *c->listen_acl_groups) {
struct group *grp;
tmp = estrdup(c->listen_acl_groups);
for (p=tmp ; p ; p=end) {
if ((end = strchr(p, ','))) {
*end++ = 0;
}
grp = getgrnam(p);
if (grp) {
zlog(ZLOG_DEBUG, "[pool %s] group '%s' have gid=%d", wp->config->name, p, grp->gr_gid);
} else {
zlog(ZLOG_SYSERROR, "[pool %s] cannot get gid for group '%s'", wp->config->name, p);
acl_free(acl);
efree(tmp);
return -1;
}
if (0 > acl_create_entry(&acl, &entry) ||
0 > acl_set_tag_type(entry, ACL_GROUP) ||
0 > acl_set_qualifier(entry, &grp->gr_gid) ||
0 > acl_get_permset(entry, &perm) ||
0 > acl_clear_perms (perm) ||
0 > acl_add_perm (perm, ACL_READ) ||
0 > acl_add_perm (perm, ACL_WRITE)) {
zlog(ZLOG_SYSERROR, "[pool %s] cannot create ACL for group '%s'", wp->config->name, p);
acl_free(acl);
efree(tmp);
return -1;
}
}
efree(tmp);
}
if (c->listen_owner && *c->listen_owner) {
zlog(ZLOG_WARNING, "[pool %s] ACL set, listen.owner = '%s' is ignored", wp->config->name, c->listen_owner);
}
if (c->listen_group && *c->listen_group) {
zlog(ZLOG_WARNING, "[pool %s] ACL set, listen.group = '%s' is ignored", wp->config->name, c->listen_group);
}
wp->socket_acl = acl;
return 0;
}
/* When listen.users and listen.groups not configured, continue with standard right */
#endif
if (c->listen_owner && *c->listen_owner) {
struct passwd *pwd;
pwd = getpwnam(c->listen_owner);
if (!pwd) {
zlog(ZLOG_SYSERROR, "[pool %s] cannot get uid for user '%s'", wp->config->name, c->listen_owner);
return -1;
}
wp->socket_uid = pwd->pw_uid;
wp->socket_gid = pwd->pw_gid;
}
if (c->listen_group && *c->listen_group) {
struct group *grp;
grp = getgrnam(c->listen_group);
if (!grp) {
zlog(ZLOG_SYSERROR, "[pool %s] cannot get gid for group '%s'", wp->config->name, c->listen_group);
return -1;
}
wp->socket_gid = grp->gr_gid;
}
return 0;
}
/*
* return an ACL corresponding to the permissions
* contained in struct stat
*/
static acl_t
acl_from_stat(struct stat sb)
{
acl_t acl;
acl_entry_t entry;
acl_permset_t perms;
/* create the ACL */
acl = acl_init(3);
if (!acl)
return NULL;
/* First entry: ACL_USER_OBJ */
if (acl_create_entry(&acl, &entry) == -1)
return NULL;
if (acl_set_tag_type(entry, ACL_USER_OBJ) == -1)
return NULL;
if (acl_get_permset(entry, &perms) == -1)
return NULL;
if (acl_clear_perms(perms) == -1)
return NULL;
/* calculate user mode */
if (sb.st_mode & S_IRUSR)
if (acl_add_perm(perms, ACL_READ) == -1)
return NULL;
if (sb.st_mode & S_IWUSR)
if (acl_add_perm(perms, ACL_WRITE) == -1)
return NULL;
if (sb.st_mode & S_IXUSR)
if (acl_add_perm(perms, ACL_EXECUTE) == -1)
return NULL;
if (acl_set_permset(entry, perms) == -1)
return NULL;
/* Second entry: ACL_GROUP_OBJ */
if (acl_create_entry(&acl, &entry) == -1)
return NULL;
if (acl_set_tag_type(entry, ACL_GROUP_OBJ) == -1)
return NULL;
if (acl_get_permset(entry, &perms) == -1)
return NULL;
if (acl_clear_perms(perms) == -1)
return NULL;
/* calculate group mode */
if (sb.st_mode & S_IRGRP)
if (acl_add_perm(perms, ACL_READ) == -1)
return NULL;
if (sb.st_mode & S_IWGRP)
if (acl_add_perm(perms, ACL_WRITE) == -1)
return NULL;
if (sb.st_mode & S_IXGRP)
if (acl_add_perm(perms, ACL_EXECUTE) == -1)
return NULL;
if (acl_set_permset(entry, perms) == -1)
return NULL;
/* Third entry: ACL_OTHER */
if (acl_create_entry(&acl, &entry) == -1)
return NULL;
if (acl_set_tag_type(entry, ACL_OTHER) == -1)
return NULL;
if (acl_get_permset(entry, &perms) == -1)
return NULL;
if (acl_clear_perms(perms) == -1)
return NULL;
/* calculate other mode */
if (sb.st_mode & S_IROTH)
if (acl_add_perm(perms, ACL_READ) == -1)
return NULL;
if (sb.st_mode & S_IWOTH)
if (acl_add_perm(perms, ACL_WRITE) == -1)
return NULL;
if (sb.st_mode & S_IXOTH)
if (acl_add_perm(perms, ACL_EXECUTE) == -1)
return NULL;
if (acl_set_permset(entry, perms) == -1)
return NULL;
return(acl);
}