ant-http/plugins/wterm/wterm.c

88 lines
1.4 KiB
C
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2015-11-26 13:52:49 +01:00
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/wait.h>
#include <errno.h>
#include "../plugin.h"
void init();
call __init__ = init;
void init()
{
}
void pexit()
{
}
int read_buf(int fd, char*buf,int size)
{
int i = 0;
char c = '\0';
int n;
while ((i < size - 1) && (c != '\n'))
{
n = read(fd, &c, 1);
if (n > 0)
{
buf[i] = c;
i++;
}
else if(n == -1) return n;
else
c = '\n';
}
buf[i] = '\0';
return i;
}
void execute(int client, const char* m, dictionary rq)
{
textstream(client);
int filedes[2];
char* code = R_STR(rq, "cmd");
if(!code) return;
if(pipe(filedes) == -1)
{
perror("pipe");
return;
}
pid_t pid = fork();
if(pid == -1)
{
perror("folk");
return;
} else if(pid == 0)
{
while ((dup2(filedes[1], STDOUT_FILENO) == -1) && (errno == EINTR)) {}
close(filedes[1]);
close(filedes[0]);
// executecomand
system(code);
//perror("execl");
_exit(1);
}
close(filedes[1]);
char buffer[1024];
while (1) {
ssize_t count = read_buf(filedes[0],buffer, sizeof(buffer));
if (count == -1) {
if (errno == EINTR) {
continue;
} else {
perror("read");
return;
}
} else if (count == 0) {
break;
} else {
__t(client,"data:%s\n",buffer);
//handle_child_process_output(buffer, count);
}
}
close(filedes[0]);
wait(0);
free(code);
printf("Child process exit\n");
}