int pr_session_set_protocol(const char *sess_proto) {
int count, res;
if (sess_proto == NULL) {
errno = EINVAL;
return -1;
}
count = pr_table_exists(session.notes, "protocol");
if (count > 0) {
res = pr_table_set(session.notes, pstrdup(session.pool, "protocol"),
pstrdup(session.pool, sess_proto), 0);
if (res == 0) {
/* Update the scoreboard entry for this session with the protocol. */
pr_scoreboard_entry_update(session.pid, PR_SCORE_PROTOCOL, sess_proto,
NULL);
}
return res;
}
res = pr_table_add(session.notes, pstrdup(session.pool, "protocol"),
pstrdup(session.pool, sess_proto), 0);
if (res == 0) {
/* Update the scoreboard entry for this session with the protocol. */
pr_scoreboard_entry_update(session.pid, PR_SCORE_PROTOCOL, sess_proto,
NULL);
}
return res;
}
END_TEST
START_TEST (cmd_get_errno_test) {
int res, *xerrno = NULL;
cmd_rec *cmd = NULL;
res = pr_cmd_get_errno(NULL);
fail_unless(res == -1, "Failed to handle null cmd_rec");
fail_unless(errno == EINVAL, "Failed to set errno to EINVAL");
cmd = pr_cmd_alloc(p, 1, "foo");
res = pr_cmd_get_errno(cmd);
fail_unless(res == 0, "Expected errno 0, got %d", res);
(void) pr_table_remove(cmd->notes, "errno", NULL);
res = pr_cmd_get_errno(cmd);
fail_unless(res < 0, "Failed to handle missing 'errno' note");
fail_unless(errno == ENOENT, "Expected ENOENT (%d), got %s (%d)", ENOENT,
strerror(errno), errno);
xerrno = pcalloc(cmd->pool, sizeof(int));
(void) pr_table_add(cmd->notes, "errno", xerrno, sizeof(int));
res = pr_cmd_set_errno(NULL, ENOENT);
fail_unless(res < 0, "Failed to handle null arguments");
fail_unless(errno == EINVAL, "Expected EINVAL (%d), got %s (%d)", EINVAL,
strerror(errno), errno);
res = pr_cmd_set_errno(cmd, ENOENT);
fail_unless(res == 0, "Failed to stash errno ENOENT: %s", strerror(errno));
res = pr_cmd_get_errno(cmd);
fail_unless(res == ENOENT, "Expected errno ENOENT, got %s (%d)",
strerror(res), res);
}
int proxy_db_prepare_stmt(pool *p, const char *stmt) {
sqlite3_stmt *pstmt = NULL;
int res;
if (stmt == NULL) {
errno = EINVAL;
return -1;
}
pstmt = pr_table_get(prepared_stmts, stmt, NULL);
if (pstmt != NULL) {
res = sqlite3_reset(pstmt);
if (res != SQLITE_OK) {
pr_trace_msg(trace_channel, 3,
"error resetting prepared statement '%s': %s", stmt,
sqlite3_errmsg(proxy_dbh));
errno = EPERM;
return -1;
}
return 0;
}
res = sqlite3_prepare_v2(proxy_dbh, stmt, -1, &pstmt, NULL);
if (res != SQLITE_OK) {
pr_trace_msg(trace_channel, 4,
"error preparing statement '%s': %s", stmt, sqlite3_errmsg(proxy_dbh));
errno = EINVAL;
return -1;
}
/* The prepared statement handling here relies on this cache, thus if we fail
* to stash the prepared statement here, it will cause problems later.
*/
res = pr_table_add(prepared_stmts, pstrdup(db_pool, stmt), pstmt,
sizeof(sqlite3_stmt *));
if (res < 0) {
int xerrno = errno;
pr_trace_msg(trace_channel, 4,
"error stashing prepared statement '%s': %s", stmt, strerror(xerrno));
errno = xerrno;
return -1;
}
return 0;
}
MODRET copy_cpfr(cmd_rec *cmd) {
register unsigned int i;
int res;
char *path = "";
unsigned char *authenticated = NULL;
if (copy_engine == FALSE) {
return PR_DECLINED(cmd);
}
if (cmd->argc < 3 ||
strncasecmp(cmd->argv[1], "CPFR", 5) != 0) {
return PR_DECLINED(cmd);
}
authenticated = get_param_ptr(cmd->server->conf, "authenticated", FALSE);
if (authenticated == NULL ||
*authenticated == FALSE) {
pr_response_add_err(R_530, _("Please login with USER and PASS"));
pr_cmd_set_errno(cmd, EPERM);
errno = EPERM;
return PR_ERROR(cmd);
}
CHECK_CMD_MIN_ARGS(cmd, 3);
/* Construct the target file name by concatenating all the parameters after
* the "SITE CPFR", separating them with spaces.
*/
for (i = 2; i <= cmd->argc-1; i++) {
char *decoded_path;
decoded_path = pr_fs_decode_path2(cmd->tmp_pool, cmd->argv[i],
FSIO_DECODE_FL_TELL_ERRORS);
if (decoded_path == NULL) {
int xerrno = errno;
pr_log_debug(DEBUG8, "'%s' failed to decode properly: %s",
(char *) cmd->argv[i], strerror(xerrno));
pr_response_add_err(R_550,
_("%s: Illegal character sequence in filename"), cmd->arg);
pr_cmd_set_errno(cmd, xerrno);
errno = xerrno;
return PR_ERROR(cmd);
}
path = pstrcat(cmd->tmp_pool, path, *path ? " " : "", decoded_path, NULL);
}
res = pr_filter_allow_path(CURRENT_CONF, path);
switch (res) {
case 0:
break;
case PR_FILTER_ERR_FAILS_ALLOW_FILTER:
pr_log_debug(DEBUG2, MOD_COPY_VERSION
": 'CPFR %s' denied by PathAllowFilter", path);
pr_response_add_err(R_550, _("%s: Forbidden filename"), path);
pr_cmd_set_errno(cmd, EPERM);
errno = EPERM;
return PR_ERROR(cmd);
case PR_FILTER_ERR_FAILS_DENY_FILTER:
pr_log_debug(DEBUG2, MOD_COPY_VERSION
": 'CPFR %s' denied by PathDenyFilter", path);
pr_response_add_err(R_550, _("%s: Forbidden filename"), path);
pr_cmd_set_errno(cmd, EPERM);
errno = EPERM;
return PR_ERROR(cmd);
}
/* Allow renaming a symlink, even a dangling one. */
path = dir_canonical_vpath(cmd->tmp_pool, path);
if (!path ||
!dir_check_canon(cmd->tmp_pool, cmd, cmd->group, path, NULL) ||
!exists2(cmd->tmp_pool, path)) {
int xerrno = errno;
pr_response_add_err(R_550, "%s: %s", path, strerror(xerrno));
pr_cmd_set_errno(cmd, xerrno);
errno = xerrno;
return PR_ERROR(cmd);
}
if (pr_table_add(session.notes, "mod_copy.cpfr-path",
pstrdup(session.pool, path), 0) < 0) {
pr_trace_msg(trace_channel, 4,
"error adding 'mod_copy.cpfr-path' note: %s", strerror(errno));
}
pr_response_add(R_350,
_("File or directory exists, ready for destination name"));
return PR_HANDLED(cmd);
}
int pr_trace_set_levels(const char *channel, int min_level, int max_level) {
if (channel == NULL) {
void *v;
if (trace_tab == NULL) {
errno = EINVAL;
return -1;
}
v = pr_table_remove(trace_tab, channel, NULL);
if (v == NULL) {
errno = EINVAL;
return -1;
}
return 0;
}
if (min_level > max_level) {
errno = EINVAL;
return -1;
}
if (trace_tab == NULL &&
min_level < 0) {
return 0;
}
if (trace_pool == NULL) {
trace_pool = make_sub_pool(permanent_pool);
pr_pool_tag(trace_pool, "Trace API");
trace_tab = pr_table_alloc(trace_pool, 0);
/* Register a handler for churning the log pool during HUP. */
pr_event_register(NULL, "core.restart", trace_restart_ev, NULL);
}
if (min_level >= 0) {
struct trace_levels *levels;
levels = pcalloc(trace_pool, sizeof(struct trace_levels));
levels->min_level = min_level;
levels->max_level = max_level;
if (strcmp(channel, PR_TRACE_DEFAULT_CHANNEL) != 0) {
int count = pr_table_exists(trace_tab, channel);
if (count <= 0) {
if (pr_table_add(trace_tab, pstrdup(trace_pool, channel), levels,
sizeof(struct trace_levels)) < 0) {
return -1;
}
} else {
if (pr_table_set(trace_tab, pstrdup(trace_pool, channel), levels,
sizeof(struct trace_levels)) < 0)
return -1;
}
} else {
register unsigned int i;
for (i = 0; trace_channels[i]; i++) {
(void) pr_trace_set_levels(trace_channels[i], min_level, max_level);
}
}
} else {
if (strcmp(channel, PR_TRACE_DEFAULT_CHANNEL) != 0) {
(void) pr_table_remove(trace_tab, channel, NULL);
} else {
register unsigned int i;
for (i = 0; trace_channels[i]; i++) {
(void) pr_table_remove(trace_tab, trace_channels[i], NULL);
}
}
}
return 0;
}
struct passwd *pr_auth_getpwnam(pool *p, const char *name) {
cmd_rec *cmd = NULL;
modret_t *mr = NULL;
struct passwd *res = NULL;
module *m = NULL;
cmd = make_cmd(p, 1, name);
mr = dispatch_auth(cmd, "getpwnam", &m);
if (MODRET_ISHANDLED(mr) &&
MODRET_HASDATA(mr))
res = mr->data;
if (cmd->tmp_pool) {
destroy_pool(cmd->tmp_pool);
cmd->tmp_pool = NULL;
}
/* Sanity check */
if (res == NULL) {
errno = ENOENT;
return NULL;
}
/* Make sure the UID and GID are not -1 */
if (res->pw_uid == (uid_t) -1) {
pr_log_pri(PR_LOG_ERR, "error: UID of -1 not allowed");
return NULL;
}
if (res->pw_gid == (gid_t) -1) {
pr_log_pri(PR_LOG_ERR, "error: GID of -1 not allowed");
return NULL;
}
if ((auth_caching & PR_AUTH_CACHE_FL_AUTH_MODULE) &&
!auth_tab &&
auth_pool) {
auth_tab = pr_table_alloc(auth_pool, 0);
}
if (m &&
auth_tab) {
int count = 0;
void *value = NULL;
value = palloc(auth_pool, sizeof(module *));
*((module **) value) = m;
count = pr_table_exists(auth_tab, name);
if (count <= 0) {
if (pr_table_add(auth_tab, pstrdup(auth_pool, name), value,
sizeof(module *)) < 0) {
pr_trace_msg(trace_channel, 3,
"error adding module 'mod_%s.c' for user '%s' to the authcache: %s",
m->name, name, strerror(errno));
} else {
pr_trace_msg(trace_channel, 5,
"stashed module 'mod_%s.c' for user '%s' in the authcache",
m->name, name);
}
} else {
if (pr_table_set(auth_tab, pstrdup(auth_pool, name), value,
sizeof(module *)) < 0) {
pr_trace_msg(trace_channel, 3,
"error setting module 'mod_%s.c' for user '%s' in the authcache: %s",
m->name, name, strerror(errno));
} else {
pr_trace_msg(trace_channel, 5,
"stashed module 'mod_%s.c' for user '%s' in the authcache",
m->name, name);
}
}
}
uidcache_add(res->pw_uid, name);
/* Get the (possibly rewritten) home directory. */
res->pw_dir = pr_auth_get_home(p, res->pw_dir);
pr_log_debug(DEBUG10, "retrieved UID %lu for user '%s'",
(unsigned long) res->pw_uid, name);
return res;
}
int pr_var_set(pool *p, const char *name, const char *desc, int vtype,
void *val, void *data, size_t datasz) {
struct var *v;
size_t namelen = 0;
if (var_tab == NULL) {
errno = EPERM;
return -1;
}
if (p == NULL ||
name == NULL ||
val == NULL) {
errno = EINVAL;
return -1;
}
/* The length of the key must be greater than 3 characters (for "%{}"). */
namelen = strlen(name);
if (namelen < 4) {
errno = EINVAL;
return -1;
}
/* If the given variable type is not recognized, reject. */
if (vtype != PR_VAR_TYPE_STR &&
vtype != PR_VAR_TYPE_FUNC) {
errno = EINVAL;
return -1;
}
/* Specifying data, but no length for that data, is an error. */
if (data != NULL &&
datasz == 0) {
errno = EINVAL;
return -1;
}
/* Specifying no data, but providing a non-zero length for that data, is an
* error.
*/
if (data == NULL &&
datasz > 0) {
errno = EINVAL;
return -1;
}
/* Variable names MUST start with '%{', and end in '}'. */
if (strncmp(name, "%{", 2) != 0 ||
name[namelen-1] != '}') {
errno = EINVAL;
return -1;
}
/* Remove any previously registered value for this name. For names whose
* values change rapidly (e.g. session.xfer.total_bytes), a callback
* function should be used, rather than always setting the same name as an
* update; using a callback avoids the memory consumption that setting does
* (set always allocates a new struct var *).
*/
(void) pr_var_delete(name);
/* Note: if var_pool was used for allocating the struct var *, rather
* than the given pool, then deleting an entry would not necessarily
* lead to such memory consumption (assuming it would even be a problem).
* However, if this was the case, then a churn counter would be needed,
* and var_pool would need to be churned occasionally to limit memory
* growth.
*/
switch (vtype) {
case PR_VAR_TYPE_STR:
v = pcalloc(p, sizeof(struct var));
if (desc) {
v->v_desc = (const char *) pstrdup(p, desc);
}
v->v_type = PR_VAR_TYPE_STR;
v->v_val = pstrdup(p, (char *) val);
v->v_datasz = strlen((char *) val);
break;
case PR_VAR_TYPE_FUNC:
v = pcalloc(p, sizeof(struct var));
if (desc) {
v->v_desc = (const char *) pstrdup(p, desc);
}
v->v_type = PR_VAR_TYPE_FUNC;
v->v_val = val;
if (data) {
v->v_data = data;
v->v_datasz = datasz;
}
break;
default:
errno = EINVAL;
return -1;
}
return pr_table_add(var_tab, name, v, sizeof(struct var));
}
int proxy_ftp_sess_get_feat(pool *p, struct proxy_session *proxy_sess) {
pool *tmp_pool;
int res, xerrno = 0;
cmd_rec *cmd;
pr_response_t *resp;
unsigned int resp_nlines = 0;
char *feats, *token;
size_t token_len = 0;
tmp_pool = make_sub_pool(p);
cmd = pr_cmd_alloc(tmp_pool, 1, C_FEAT);
res = proxy_ftp_ctrl_send_cmd(tmp_pool, proxy_sess->backend_ctrl_conn, cmd);
if (res < 0) {
xerrno = errno;
pr_trace_msg(trace_channel, 4,
"error sending %s to backend: %s", (char *) cmd->argv[0],
strerror(xerrno));
destroy_pool(tmp_pool);
errno = xerrno;
return -1;
}
resp = proxy_ftp_ctrl_recv_resp(tmp_pool, proxy_sess->backend_ctrl_conn,
&resp_nlines);
if (resp == NULL) {
xerrno = errno;
pr_trace_msg(trace_channel, 4,
"error receiving %s response from backend: %s", (char *) cmd->argv[0],
strerror(xerrno));
destroy_pool(tmp_pool);
errno = xerrno;
return -1;
}
if (resp->num[0] != '2') {
pr_trace_msg(trace_channel, 4,
"received unexpected %s response code %s from backend",
(char *) cmd->argv[0], resp->num);
/* Note: If the UseProxyProtocol ProxyOption is enabled, AND if the
* response message mentions a "PROXY" command, we might read an
* error response here that is NOT actually for the FEAT command we just
* sent.
*
* A backend FTP server which does not understand the PROXY protocol
* will treat it as a normal FTP command, and respond. And that will
* put us, the client, out of lockstep with the server, for how do we know
* that we need to read that error response FIRST, then send another
* command?
*/
destroy_pool(tmp_pool);
errno = EPERM;
return -1;
}
proxy_sess->backend_features = pr_table_nalloc(p, 0, 4);
feats = resp->msg;
token = pr_str_get_token2(&feats, (char *) feat_crlf, &token_len);
while (token != NULL) {
pr_signals_handle();
if (token_len > 0) {
/* The FEAT response lines in which we are interested all start with
* a single space, per RFC spec. Ignore any other lines.
*/
if (token[0] == ' ') {
char *key, *val, *ptr;
/* Find the next space in the string, to delimit our key/value pairs. */
ptr = strchr(token + 1, ' ');
if (ptr != NULL) {
key = pstrndup(p, token + 1, ptr - token - 1);
val = pstrdup(p, ptr + 1);
} else {
key = pstrdup(p, token + 1);
val = pstrdup(p, "");
}
pr_table_add(proxy_sess->backend_features, key, val, 0);
}
}
feats = token + token_len + 1;
token = pr_str_get_token2(&feats, (char *) feat_crlf, &token_len);
}
destroy_pool(tmp_pool);
return 0;
}
conn_t *proxy_conn_get_server_conn(pool *p, struct proxy_session *proxy_sess,
pr_netaddr_t *remote_addr) {
pr_netaddr_t *bind_addr = NULL, *local_addr = NULL;
const char *remote_ipstr = NULL;
unsigned int remote_port;
conn_t *server_conn, *ctrl_conn;
int res;
if (proxy_sess->connect_timeout > 0) {
const char *notes_key = "mod_proxy.proxy-connect-address";
proxy_sess->connect_timerno = pr_timer_add(proxy_sess->connect_timeout,
-1, &proxy_module, proxy_conn_connect_timeout_cb, "ProxyTimeoutConnect");
(void) pr_table_remove(session.notes, notes_key, NULL);
if (pr_table_add(session.notes, notes_key, remote_addr,
sizeof(pr_netaddr_t)) < 0) {
(void) pr_log_writefile(proxy_logfd, MOD_PROXY_VERSION,
"error stashing proxy connect address note: %s", strerror(errno));
}
}
remote_ipstr = pr_netaddr_get_ipstr(remote_addr);
remote_port = ntohs(pr_netaddr_get_port(remote_addr));
/* Check the family of the retrieved address vs what we'll be using
* to connect. If there's a mismatch, we need to get an addr with the
* matching family.
*/
if (pr_netaddr_get_family(session.c->local_addr) == pr_netaddr_get_family(remote_addr)) {
local_addr = session.c->local_addr;
} else {
/* In this scenario, the proxy has an IPv6 socket, but the remote/backend
* server has an IPv4 (or IPv4-mapped IPv6) address. OR it's the proxy
* which has an IPv4 socket, and the remote/backend server has an IPv6
* address.
*/
if (pr_netaddr_get_family(session.c->local_addr) == AF_INET) {
char *ip_str;
/* Convert the local address from an IPv4 to an IPv6 addr. */
ip_str = pcalloc(p, INET6_ADDRSTRLEN + 1);
snprintf(ip_str, INET6_ADDRSTRLEN, "::ffff:%s",
pr_netaddr_get_ipstr(session.c->local_addr));
local_addr = pr_netaddr_get_addr(p, ip_str, NULL);
} else {
local_addr = pr_netaddr_v6tov4(p, session.c->local_addr);
if (local_addr == NULL) {
pr_trace_msg(trace_channel, 4,
"error converting IPv6 local address %s to IPv4 address: %s",
pr_netaddr_get_ipstr(session.c->local_addr), strerror(errno));
}
}
if (local_addr == NULL) {
local_addr = session.c->local_addr;
}
}
bind_addr = proxy_sess->src_addr;
if (bind_addr == NULL) {
bind_addr = local_addr;
}
/* Note: IF mod_proxy is running on localhost, and the connection to be
* made is to a public IP address, then this connect(2) attempt would most
* likely fail with ENETUNREACH, since localhost is a loopback network,
* and of course not reachable from a public IP. Thus we check for this
* edge case (which happens often for development).
*/
if (pr_netaddr_is_loopback(bind_addr) == TRUE) {
const char *local_name;
pr_netaddr_t *local_addr;
local_name = pr_netaddr_get_localaddr_str(p);
local_addr = pr_netaddr_get_addr(p, local_name, NULL);
if (local_addr != NULL) {
pr_trace_msg(trace_channel, 14,
"%s is a loopback address, and unable to reach %s; using %s instead",
pr_netaddr_get_ipstr(bind_addr), remote_ipstr,
pr_netaddr_get_ipstr(local_addr));
bind_addr = local_addr;
}
}
server_conn = pr_inet_create_conn(p, -1, bind_addr, INPORT_ANY, FALSE);
if (server_conn == NULL) {
int xerrno = errno;
(void) pr_log_writefile(proxy_logfd, MOD_PROXY_VERSION,
"error creating connection to %s: %s", pr_netaddr_get_ipstr(bind_addr),
strerror(xerrno));
pr_timer_remove(proxy_sess->connect_timerno, &proxy_module);
errno = xerrno;
return NULL;
}
pr_trace_msg(trace_channel, 11, "connecting to backend address %s#%u from %s",
remote_ipstr, remote_port, pr_netaddr_get_ipstr(bind_addr));
res = pr_inet_connect_nowait(p, server_conn, remote_addr,
ntohs(pr_netaddr_get_port(remote_addr)));
if (res < 0) {
int xerrno = errno;
(void) pr_log_writefile(proxy_logfd, MOD_PROXY_VERSION,
"error starting connect to %s#%u: %s", remote_ipstr, remote_port,
strerror(xerrno));
pr_timer_remove(proxy_sess->connect_timerno, &proxy_module);
errno = xerrno;
return NULL;
}
if (res == 0) {
pr_netio_stream_t *nstrm;
int nstrm_mode = PR_NETIO_IO_RD;
if (proxy_opts & PROXY_OPT_USE_PROXY_PROTOCOL) {
/* Rather than waiting for the stream to be readable (because the
* other end sent us something), wait for the stream to be writable
* so that we can send something to the other end).
*/
nstrm_mode = PR_NETIO_IO_WR;
}
/* Not yet connected. */
nstrm = proxy_netio_open(p, PR_NETIO_STRM_OTHR, server_conn->listen_fd,
nstrm_mode);
if (nstrm == NULL) {
int xerrno = errno;
(void) pr_log_writefile(proxy_logfd, MOD_PROXY_VERSION,
"error opening stream to %s#%u: %s", remote_ipstr, remote_port,
strerror(xerrno));
pr_timer_remove(proxy_sess->connect_timerno, &proxy_module);
pr_inet_close(p, server_conn);
errno = xerrno;
return NULL;
}
proxy_netio_set_poll_interval(nstrm, 1);
switch (proxy_netio_poll(nstrm)) {
case 1: {
/* Aborted, timed out. Note that we shouldn't reach here. */
pr_timer_remove(proxy_sess->connect_timerno, &proxy_module);
proxy_netio_close(nstrm);
pr_inet_close(p, server_conn);
errno = ETIMEDOUT;
return NULL;
}
case -1: {
/* Error */
int xerrno = errno;
(void) pr_log_writefile(proxy_logfd, MOD_PROXY_VERSION,
"error connecting to %s#%u: %s", remote_ipstr, remote_port,
strerror(xerrno));
pr_timer_remove(proxy_sess->connect_timerno, &proxy_module);
proxy_netio_close(nstrm);
pr_inet_close(p, server_conn);
errno = xerrno;
return NULL;
}
default: {
/* Connected */
server_conn->mode = CM_OPEN;
pr_timer_remove(proxy_sess->connect_timerno, &proxy_module);
pr_table_remove(session.notes, "mod_proxy.proxy-connect-addr", NULL);
res = pr_inet_get_conn_info(server_conn, server_conn->listen_fd);
if (res < 0) {
int xerrno = errno;
(void) pr_log_writefile(proxy_logfd, MOD_PROXY_VERSION,
"error obtaining local socket info on fd %d: %s",
server_conn->listen_fd, strerror(xerrno));
proxy_netio_close(nstrm);
pr_inet_close(p, server_conn);
errno = xerrno;
return NULL;
}
break;
}
}
}
pr_trace_msg(trace_channel, 5,
"successfully connected to %s#%u from %s#%d", remote_ipstr, remote_port,
pr_netaddr_get_ipstr(server_conn->local_addr),
ntohs(pr_netaddr_get_port(server_conn->local_addr)));
ctrl_conn = proxy_inet_openrw(p, server_conn, NULL, PR_NETIO_STRM_CTRL, -1,
-1, -1, FALSE);
if (ctrl_conn == NULL) {
int xerrno = errno;
(void) pr_log_writefile(proxy_logfd, MOD_PROXY_VERSION,
"unable to open control connection to %s#%u: %s", remote_ipstr,
remote_port, strerror(xerrno));
pr_inet_close(p, server_conn);
errno = xerrno;
return NULL;
}
return ctrl_conn;
}
pr_netio_stream_t *pr_netio_open(pool *parent_pool, int strm_type, int fd,
int mode) {
pr_netio_stream_t *nstrm = NULL;
if (parent_pool == NULL) {
errno = EINVAL;
return NULL;
}
/* Create a new stream object, then pass that the NetIO open handler. */
nstrm = netio_stream_alloc(parent_pool);
switch (strm_type) {
case PR_NETIO_STRM_CTRL:
nstrm->strm_type = PR_NETIO_STRM_CTRL;
nstrm->strm_mode = mode;
if (ctrl_netio != NULL) {
pr_table_add(nstrm->notes, pstrdup(nstrm->strm_pool, "core.netio"),
ctrl_netio, sizeof(pr_netio_t *));
return (ctrl_netio->open)(nstrm, fd, mode);
} else {
pr_table_add(nstrm->notes, pstrdup(nstrm->strm_pool, "core.netio"),
default_ctrl_netio, sizeof(pr_netio_t *));
return (default_ctrl_netio->open)(nstrm, fd, mode);
}
case PR_NETIO_STRM_DATA:
nstrm->strm_type = PR_NETIO_STRM_DATA;
nstrm->strm_mode = mode;
if (data_netio != NULL) {
pr_table_add(nstrm->notes, pstrdup(nstrm->strm_pool, "core.netio"),
data_netio, sizeof(pr_netio_t *));
return (data_netio->open)(nstrm, fd, mode);
} else {
pr_table_add(nstrm->notes, pstrdup(nstrm->strm_pool, "core.netio"),
default_data_netio, sizeof(pr_netio_t *));
return (default_data_netio->open)(nstrm, fd, mode);
}
case PR_NETIO_STRM_OTHR:
nstrm->strm_type = PR_NETIO_STRM_OTHR;
nstrm->strm_mode = mode;
if (othr_netio != NULL) {
pr_table_add(nstrm->notes, pstrdup(nstrm->strm_pool, "core.netio"),
othr_netio, sizeof(pr_netio_t *));
return (othr_netio->open)(nstrm, fd, mode);
} else {
pr_table_add(nstrm->notes, pstrdup(nstrm->strm_pool, "core.netio"),
default_othr_netio, sizeof(pr_netio_t *));
return (default_othr_netio->open)(nstrm, fd, mode);
}
}
destroy_pool(nstrm->strm_pool);
nstrm->strm_pool = NULL;
errno = EPERM;
return NULL;
}