rizin/librz/socket/socket_proc.c
2021-11-25 15:44:28 +08:00

115 lines
2.3 KiB
C

// SPDX-FileCopyrightText: 2007-2012 pancake <pancake@nopcode.org>
// SPDX-License-Identifier: LGPL-3.0-only
/* XXX : move to rz_util??? rename method names.. to long? */
/* proc IO is not related to socket io.. */
#include <rz_socket.h>
#include <rz_util.h>
#include <signal.h>
#if __UNIX__
#include <sys/wait.h>
#endif
#define BUFFER_SIZE 4096
RZ_API struct rz_socket_proc_t *rz_socket_proc_open(char *const argv[]) {
#if __UNIX__ && HAVE_FORK
RzSocketProc *sp = RZ_NEW(RzSocketProc);
if (!sp) {
return NULL;
}
if (rz_sys_pipe(sp->fd0, true) == -1) {
perror("pipe");
goto error;
}
if (rz_sys_pipe(sp->fd1, true) == -1) {
perror("pipe");
goto error;
}
sp->pid = rz_sys_fork();
switch (sp->pid) {
case 0:
close(0);
dup2(sp->fd0[0], 0);
close(1);
dup2(sp->fd1[1], 1);
rz_sys_execv(argv[0], argv);
exit(1);
break;
case -1:
perror("fork");
rz_socket_proc_close(sp);
goto error;
// rz_socket_block_time (sp, false, 0);
}
return sp;
error:
free(sp);
return NULL;
#else
return NULL;
#endif
}
RZ_API int rz_socket_proc_close(struct rz_socket_proc_t *sp) {
#if __UNIX__
/* this is wrong */
kill(sp->pid, SIGKILL);
waitpid(sp->pid, NULL, 0); // WNOHANG);
close(sp->fd0[0]);
close(sp->fd0[1]);
// close(sp->fd1[0]);
close(sp->fd1[1]);
// sp->fd[0] = -1;
// sp->fd[1] = -1;
#endif
return 0;
}
RZ_API int rz_socket_proc_read(RzSocketProc *sp, unsigned char *buf, int len) {
RzSocket s;
s.is_ssl = false;
s.fd = sp->fd1[0];
return rz_socket_read(&s, buf, len);
}
RZ_API int rz_socket_proc_gets(RzSocketProc *sp, char *buf, int size) {
RzSocket s;
s.is_ssl = false;
s.fd = sp->fd1[0];
return rz_socket_gets(&s, buf, size);
}
RZ_API int rz_socket_proc_write(RzSocketProc *sp, void *buf, int len) {
RzSocket s;
s.is_ssl = false;
s.fd = sp->fd0[1];
return rz_socket_write(&s, buf, len);
}
RZ_API void rz_socket_proc_printf(RzSocketProc *sp, const char *fmt, ...) {
RzSocket s;
char buf[BUFFER_SIZE];
va_list ap;
s.is_ssl = false;
s.fd = sp->fd0[1];
if (s.fd != RZ_INVALID_SOCKET) {
va_start(ap, fmt);
vsnprintf(buf, BUFFER_SIZE, fmt, ap);
rz_socket_write(&s, buf, strlen(buf));
va_end(ap);
}
}
RZ_API int rz_socket_proc_ready(RzSocketProc *sp, int secs, int usecs) {
RzSocket s;
s.is_ssl = false;
s.fd = sp->fd1[0];
return rz_socket_ready(&s, secs, usecs);
}