C-SERVER:
执行外部脚本:/脚本
从存储在 “VVV” 脚本响应和 “VVV” 被发送到客户端。的C-SERVER:HTTP响应缺少新线
fp = popen("/script", "r");
fgets(vvv, 500, fp);
write(client_fd, vvv, sizeof(vvv) - 1);
close(client_fd);
内容/脚本
#!/bin/sh
echo -e 'HTTP/1.1 200 OK\r\n';
测试与netcat的:
echo TEST | nc <ip> <port>
HTTP/1.1 200 OK
问题:它不能包含一个新行,因此它可以使用Web浏览器。
C-SERVER:
#include <arpa/inet.h>
#include <err.h>
#include <string.h>
char inn[100];
FILE *fp;
char vvv[100];
int main()
{
int one = 1, client_fd;
struct sockaddr_in svr_addr, cli_addr;
socklen_t sin_len = sizeof(cli_addr);
int sock = socket(AF_INET, SOCK_STREAM, 0);
if (sock < 0)
err(1, "can't open socket");
setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(int));
int port = 85;
svr_addr.sin_family = AF_INET;
svr_addr.sin_addr.s_addr = INADDR_ANY;
svr_addr.sin_port = htons(port);
if (bind(sock, (struct sockaddr *) &svr_addr, sizeof(svr_addr)) == -1) {
close(sock);
err(1, "Can't bind");
}
listen(sock, 5);
while (1) {
client_fd = accept(sock, (struct sockaddr *) &cli_addr, &sin_len);
size_t bytesRead = read(client_fd,inn,sizeof(inn) - 1);
fp = popen("/script", "r");
fgets(vvv, 500, fp);
printf(vvv);
write(client_fd, vvv, sizeof(vvv) - 1);
close(client_fd);
}
}
我太新C.我甚至不会知道如何做类似** VVV = VVV +“/ N” **如果那是当然的答案。 – Vorn3rala
好,那会不会是你的 –
缓冲'vvv'为100个字节,但你给限500〜'fgets',为什么? –