From 6ff956880b8dde199fe9ac1314e43b66e0046f71 Mon Sep 17 00:00:00 2001 From: June McEnroe Date: Sat, 10 Jun 2017 16:49:51 -0400 Subject: Move actual dotfiles into home directory --- home/.bin/pbd.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100755 home/.bin/pbd.c (limited to 'home/.bin/pbd.c') diff --git a/home/.bin/pbd.c b/home/.bin/pbd.c new file mode 100755 index 00000000..e7b61d12 --- /dev/null +++ b/home/.bin/pbd.c @@ -0,0 +1,73 @@ +#if 0 +exec cc -Wall -Wextra -pedantic $@ -o $(dirname $0)/pbd $0 +#endif + +// TCP server which pipes between macOS pbcopy and pbpaste. + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static void spawn(const char *cmd, int childFd, int parentFd) { + pid_t pid = fork(); + if (pid < 0) err(EX_OSERR, "fork"); + + if (pid) { + int status; + pid_t wait = waitpid(pid, &status, 0); + if (wait < 0) err(EX_OSERR, "waitpid"); + + if (status) { + warnx("child %s status %d", cmd, status); + } + } else { + int fd = dup2(parentFd, childFd); + if (fd < 0) err(EX_OSERR, "dup2"); + + int error = execlp(cmd, cmd); + if (error) err(EX_OSERR, "execlp"); + } +} + +int main() { + int error; + + 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) }, + }; + + error = bind(server, (struct sockaddr *)&addr, sizeof(addr)); + if (error) err(EX_OSERR, "bind"); + + error = listen(server, 1); + if (error) err(EX_OSERR, "listen"); + + for (;;) { + int client = accept(server, NULL, NULL); + if (client < 0) err(EX_OSERR, "accept"); + + spawn("pbpaste", STDOUT_FILENO, client); + + uint8_t p; + ssize_t peek = recv(client, &p, 1, MSG_PEEK); + if (peek < 0) err(EX_IOERR, "recv"); + + if (peek) { + spawn("pbcopy", STDIN_FILENO, client); + } + + error = close(client); + if (error) err(EX_IOERR, "close"); + } +} -- cgit 1.4.1