152 lines
2.9 KiB
C
152 lines
2.9 KiB
C
#include <assert.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "exec.h"
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#include "file.h"
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#include "incoming.h"
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#include "outgoing.h"
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#include "receive.h"
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#include "send.h"
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#include "opts.h"
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static char *opts_split(char **arg, char delim) {
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char *split = strchr(*arg, delim);
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if (!split) {
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return NULL;
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}
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char *ret = strndup(*arg, split - *arg);
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*arg = split + 1;
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return ret;
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}
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static void opts_add_listen(char *host_port, struct flow *flow, void *passthrough) {
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char *host = opts_split(&host_port, '/');
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if (host) {
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incoming_new(host, host_port, flow, passthrough);
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free(host);
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} else {
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incoming_new(NULL, host_port, flow, passthrough);
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}
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}
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static struct serializer *opts_get_serializer(char **arg) {
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char *format = opts_split(arg, '=');
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if (!format) {
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return NULL;
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}
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struct serializer *serializer = send_get_serializer(format);
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free(format);
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if (!serializer) {
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return NULL;
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}
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return serializer;
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}
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bool opts_add_connect_receive(char *arg) {
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char *host = opts_split(&arg, '/');
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if (!host) {
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return false;
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}
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outgoing_new(host, arg, receive_flow, NULL);
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free(host);
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return true;
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}
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bool opts_add_connect_send(char *arg) {
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struct serializer *serializer = opts_get_serializer(&arg);
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if (!serializer) {
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return false;
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}
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char *host = opts_split(&arg, '/');
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if (!host) {
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return false;
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}
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outgoing_new(host, arg, send_flow, serializer);
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free(host);
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return true;
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}
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bool opts_add_listen_receive(char *arg) {
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opts_add_listen(arg, receive_flow, NULL);
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return true;
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}
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bool opts_add_listen_send(char *arg) {
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struct serializer *serializer = opts_get_serializer(&arg);
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if (!serializer) {
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return false;
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}
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opts_add_listen(arg, send_flow, serializer);
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return true;
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}
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bool opts_add_file_read(char *arg) {
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file_read_new(arg, receive_flow, NULL);
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return true;
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}
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bool opts_add_file_write(char *arg) {
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struct serializer *serializer = opts_get_serializer(&arg);
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if (!serializer) {
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return false;
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}
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file_write_new(arg, send_flow, serializer);
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return true;
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}
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bool opts_add_file_append(char *arg) {
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struct serializer *serializer = opts_get_serializer(&arg);
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if (!serializer) {
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return false;
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}
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file_append_new(arg, send_flow, serializer);
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return true;
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}
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bool opts_add_exec_receive(char *arg) {
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exec_new(arg, receive_flow, NULL);
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return true;
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}
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bool opts_add_exec_send(char *arg) {
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struct serializer *serializer = opts_get_serializer(&arg);
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if (!serializer) {
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return false;
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}
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exec_new(arg, send_flow, serializer);
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return true;
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}
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bool opts_add_stdin(char __attribute__((unused)) *arg) {
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int fd = fcntl(0, F_DUPFD_CLOEXEC, 0);
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assert(fd >= 0);
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file_fd_new(fd, receive_flow, NULL);
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return true;
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}
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bool opts_add_stdout(char *arg) {
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struct serializer *serializer = send_get_serializer(arg);
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if (!serializer) {
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return false;
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}
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int fd = fcntl(1, F_DUPFD_CLOEXEC, 0);
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assert(fd >= 0);
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file_fd_new(fd, send_flow, serializer);
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return true;
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}
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