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#if 0
exec clang -Weverything $@ -o $(dirname $0)/pbd $0
#endif
#include <arpa/inet.h>
#include <err.h>
#include <netinet/in.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sysexits.h>
#include <unistd.h>
int main() {
int server = socket(PF_INET, SOCK_STREAM, 0);
if (server < 0) err(EX_OSERR, "socket");
struct sockaddr_in addr = {
.sin_family = AF_INET,
.sin_port = htons(7062),
.sin_addr = { .s_addr = htonl(0x7f000001) },
};
if (bind(server, (struct sockaddr *) &addr, sizeof(addr)) < 0)
err(EX_OSERR, "bind");
if (listen(server, 1) < 0)
err(EX_OSERR, "listen");
for (;;) {
int client = accept(server, NULL, NULL);
if (client < 0) err(EX_OSERR, "accept");
pid_t pid_paste = fork();
if (pid_paste < 0) err(EX_OSERR, "fork");
if (pid_paste) {
if (waitpid(pid_paste, NULL, 0) < 0)
warn("waitpid");
// TODO: Check child status.
} else {
if (dup2(client, STDOUT_FILENO) < 0)
err(EX_OSERR, "dup2");
if (execlp("pbpaste", "pbpaste") < 0)
err(EX_OSERR, "execlp");
}
uint8_t x;
ssize_t peek = recv(client, &x, 1, MSG_PEEK);
if (peek < 0) err(EX_IOERR, "recv");
if (peek) {
pid_t pid_copy = fork();
if (pid_copy < 0) err(EX_OSERR, "fork");
if (pid_copy) {
if (waitpid(pid_copy, NULL, 0) < 0)
warn("waitpid");
// TODO: Check child status.
} else {
if (dup2(client, STDIN_FILENO) < 0)
err(EX_OSERR, "dup2");
if (execlp("pbcopy", "pbcopy") < 0)
err(EX_OSERR, "execlp");
}
}
if (close(client) < 0) warn("close");
}
}
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