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authorJune McEnroe <june@causal.agency>2019-07-28 15:41:06 -0400
committerJune McEnroe <june@causal.agency>2019-07-28 15:41:06 -0400
commitf40454098c596dfb85cccfe7254d370442cca77c (patch)
tree928e9daeff539ee0bf4abd9eb73ad78549f69dd0
parentClean up ptee (diff)
downloadstream-f40454098c596dfb85cccfe7254d370442cca77c.tar.gz
stream-f40454098c596dfb85cccfe7254d370442cca77c.zip
Remove old commands
-rw-r--r--.gitignore6
-rw-r--r--Makefile38
-rw-r--r--create.c49
-rw-r--r--destroy.c40
-rw-r--r--ingest.c54
-rw-r--r--ssh-command.sh58
-rw-r--r--view.c136
7 files changed, 18 insertions, 363 deletions
diff --git a/.gitignore b/.gitignore
index cd963a4..f5ed2af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,5 @@
 chroot.tar
-create
-destroy
-ingest
+config.mk
 ptee
 root
-ssh-command
 tags
-view
diff --git a/Makefile b/Makefile
index 7e8053e..ece7cca 100644
--- a/Makefile
+++ b/Makefile
@@ -1,36 +1,32 @@
-BINS = create destroy ingest ptee ssh-command view
-USER = stream
+CHROOT_USER = stream
+CHROOT_GROUP = ${CHROOT_USER}
 
 CFLAGS += -Wall -Wextra -Wpedantic
+LDFLAGS = -static
 LDLIBS = -lutil
 
-all: tags $(BINS)
+-include config.mk
+
+BINS = ptee
+
+all: tags ${BINS}
 
 tags: *.c
 	ctags -w *.c
 
-chroot.tar: $(BINS)
+chroot.tar: ${BINS}
 	mkdir -p root
 	install -d -o root -g wheel \
+		root \
 	    root/bin \
 	    root/home \
-	    root/lib \
-	    root/libexec \
-	    root/usr \
-	    root/usr/share \
 	    root/usr/share/misc
-	install -d -o $(USER) -g $(USER) root/home/$(USER)
-	install -o root -g wheel -m 555 /libexec/ld-elf.so.1 root/libexec
-	install -o root -g wheel -m 444 \
-	    /lib/libc.so.7 \
-	    /lib/libedit.so.7 \
-	    /lib/libncursesw.so.8 \
-	    /lib/libutil.so.9 \
-	    root/lib
-	install -o root -g wheel -m 444 /usr/share/misc/termcap.db root/usr/share/misc
-	install -o root -g wheel -m 555 /bin/sh root/bin
-	install -o root -g wheel -m 555 $(BINS) root/bin
-	tar -c -f chroot.tar -C root bin home lib libexec usr
+	install -d -o ${CHROOT_USER} -g ${CHROOT_GROUP} root/home/${CHROOT_USER}
+	cp -af /usr/share/locale root/usr/share
+	cp -fp /usr/share/misc/termcap.db root/usr/share/misc
+	cp -fp /rescue/sh root/bin
+	install ${BINS} root/bin
+	tar -c -f chroot.tar -C root bin home usr
 
 clean:
-	rm -f tags $(BINS) chroot.tar
+	rm -fr ${BINS} tags chroot.tar root
diff --git a/create.c b/create.c
deleted file mode 100644
index 59eb3e0..0000000
--- a/create.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/* Copyright (C) 2018  Causal Agent June <june@causal.agency>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <err.h>
-#include <fcntl.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sysexits.h>
-#include <unistd.h>
-
-int main(int argc, char *argv[]) {
-    if (argc < 2) errx(EX_USAGE, "missing public id");
-
-    uint32_t id[4];
-    char public[sizeof("../public/") + 32];
-    char private[sizeof("private/") + 2 * sizeof(id)];
-
-    arc4random_buf(id, sizeof(id));
-    snprintf(public, sizeof(public), "public/%s", argv[1]);
-    snprintf(
-        private, sizeof(private),
-        "private/%08x%08x%08x%08x",
-        id[0], id[1], id[2], id[3]
-    );
-
-    int fd = open(public, O_CREAT | O_EXCL, 0644);
-    if (fd < 0) err(EX_CANTCREAT, "%s", public);
-
-    snprintf(public, sizeof(public), "../public/%s", argv[1]);
-    int error = symlink(public, private);
-    if (error) err(EX_CANTCREAT, "%s", private);
-
-    printf("%08x%08x%08x%08x\n", id[0], id[1], id[2], id[3]);
-    return EX_OK;
-}
diff --git a/destroy.c b/destroy.c
deleted file mode 100644
index 6a82bbe..0000000
--- a/destroy.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/* Copyright (C) 2018  Causal Agent June <june@causal.agency>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <err.h>
-#include <fcntl.h>
-#include <sysexits.h>
-#include <unistd.h>
-
-int main(int argc, char *argv[]) {
-    if (argc < 2) errx(EX_USAGE, "missing private id");
-
-    int fd = open("private", 0);
-    if (fd < 0) err(EX_NOINPUT, "private");
-
-    const char *private = argv[1];
-    char public[sizeof("../public/") + 32] = {0};
-    ssize_t n = readlinkat(fd, private, public, sizeof(public) - 1);
-    if (n < 0) err(EX_NOINPUT, "%s", private);
-
-    int error = unlinkat(fd, public, 0);
-    if (error) err(EX_NOINPUT, "%s", public);
-
-    error = unlinkat(fd, private, 0);
-    if (error) err(EX_NOINPUT, "%s", private);
-
-    return EX_OK;
-}
diff --git a/ingest.c b/ingest.c
deleted file mode 100644
index b729169..0000000
--- a/ingest.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/* Copyright (C) 2018  Causal Agent June <june@causal.agency>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <err.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <sysexits.h>
-#include <unistd.h>
-
-int main(int argc, char *argv[]) {
-    if (argc < 2) errx(EX_USAGE, "missing private id");
-
-    const char *path = argv[1];
-    int local = open(path, O_WRONLY);
-    if (local < 0) err(EX_NOINPUT, "%s", path);
-
-    int remote = STDIN_FILENO;
-
-    struct winsize window;
-    ssize_t size = read(remote, &window, sizeof(window));
-    if (size < 0) err(EX_IOERR, "read(%d)", remote);
-    if ((size_t)size < sizeof(window)) errx(EX_DATAERR, "short read(%d)", remote);
-
-    for (;;) {
-        ftruncate(local, 0);
-        lseek(local, 0, SEEK_SET);
-
-        ssize_t size = write(local, &window, sizeof(window));
-        if (size < 0) err(EX_IOERR, "write(%d)", local);
-
-        char buf[4096];
-        for (size_t totalSize = 0; totalSize < 1024 * 1024; totalSize += size) {
-            size = read(remote, buf, sizeof(buf));
-            if (size < 0) err(EX_IOERR, "read(%d)", remote);
-            if (!size) return EX_OK;
-
-            size = write(local, buf, size);
-            if (size < 0) err(EX_IOERR, "write(%d)", local);
-        }
-    }
-}
diff --git a/ssh-command.sh b/ssh-command.sh
deleted file mode 100644
index 81564b4..0000000
--- a/ssh-command.sh
+++ /dev/null
@@ -1,58 +0,0 @@
-#!/bin/sh
-set -e -u
-
-SSH_URL=stream@ascii.town
-GIT_URL=git@ascii.town:stream.git
-
-welcome() {
-    echo
-    echo ' [~ The Stream at ASCII Town ~] '
-    echo
-    cd public
-    for id in *; do
-        echo "    ssh -t $SSH_URL $id"
-    done
-    echo
-    echo ' [~ A Stream of Your Own ~] '
-    echo
-    echo "    ssh -t $SSH_URL start"
-    echo
-}
-
-start() {
-    local public private trash
-    read -p 'Public ID: ' -r public trash
-    public=${public##*/}
-    private=$(create $public)
-    echo "Private ID: $private"
-    echo
-    echo ' [~ Stop ~] '
-    echo
-    echo "    ssh -t $SSH_URL stop $private"
-    echo
-    echo ' [~ View ~] '
-    echo
-    echo "    ssh -t $SSH_URL $public"
-    echo
-    echo ' [~ Broadcast ~] '
-    echo
-    echo "    git clone $GIT_URL"
-    echo '    cd stream'
-    echo '    make ptee'
-    echo "    ./ptee | ssh $SSH_URL ingest $private"
-    echo
-}
-
-if [ -z "${SSH_ORIGINAL_COMMAND:-}" ]; then
-    welcome
-    exit
-else
-    set $SSH_ORIGINAL_COMMAND
-    case $1 in
-        start) start ;;
-        stop) exec destroy ${2##*/} ;;
-        ingest) exec ingest private/${2##*/} ;;
-        view) exec view public/${2##*/} ;;
-        *) exec view public/${1##*/} ;;
-    esac
-fi
diff --git a/view.c b/view.c
deleted file mode 100644
index b8f8793..0000000
--- a/view.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/* Copyright (C) 2018  Causal Agent June <june@causal.agency>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <sys/types.h>
-
-#include <err.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <sys/event.h>
-#include <sys/ioctl.h>
-#include <sysexits.h>
-#include <termios.h>
-#include <unistd.h>
-
-static void nop() { }
-
-static struct {
-    int remote;
-    int local;
-    int input;
-} fd = { -1, STDOUT_FILENO, STDIN_FILENO };
-
-static struct termios saveTerm;
-static void restoreTerm(void) {
-    tcsetattr(fd.input, TCSADRAIN, &saveTerm);
-}
-
-int main(int argc, char *argv[]) {
-    int error;
-
-    if (argc < 2) errx(EX_USAGE, "missing public id");
-    if (!isatty(fd.local)) errx(EX_USAGE, "no terminal (use ssh -t)");
-
-    const char *path = argv[1];
-    fd.remote = open(path, O_RDONLY);
-    if (fd.remote < 0) err(EX_NOINPUT, "%s", path);
-
-    error = tcgetattr(fd.input, &saveTerm);
-    if (error) err(EX_IOERR, "tcgetattr");
-    atexit(restoreTerm);
-
-    struct termios term = saveTerm;
-    term.c_lflag &= ~(ICANON | ECHO);
-    error = tcsetattr(fd.input, TCSADRAIN, &term);
-    if (error) err(EX_IOERR, "tcsetattr");
-
-    signal(SIGWINCH, nop);
-
-    int kq = kqueue();
-    if (kq < 0) err(EX_OSERR, "kqueue");
-
-    struct kevent events[2] = {
-        { .ident = fd.input, .filter = EVFILT_READ, .flags = EV_ADD },
-        { .ident = fd.remote, .filter = EVFILT_READ, .flags = EV_ADD },
-    };
-    int nevents = kevent(kq, events, 2, NULL, 0, NULL);
-    if (nevents < 0) err(EX_OSERR, "kevent");
-
-    for (;;) {
-        off_t off = lseek(fd.remote, 0, SEEK_SET);
-        if (off < 0) err(EX_IOERR, "%s", path);
-
-        struct winsize localWindow;
-        error = ioctl(fd.local, TIOCGWINSZ, &localWindow);
-        if (error) err(EX_IOERR, "TIOCGWINSZ");
-
-        // FIXME: Hack spin waiting for remote window.
-        struct winsize remoteWindow;
-        ssize_t size;
-        for (int i = 0; i < 100; ++i, usleep(100)) {
-            size = read(fd.remote, &remoteWindow, sizeof(remoteWindow));
-            if (size < 0) err(EX_IOERR, "read(%d)", fd.remote);
-            if (size) break;
-        }
-        if ((size_t)size < sizeof(remoteWindow)) {
-            errx(EX_DATAERR, "no window size (stream not started)");
-        }
-
-        if (
-            localWindow.ws_col < remoteWindow.ws_col
-            || localWindow.ws_row < remoteWindow.ws_row
-        ) {
-            warnx(
-                "resize window %hux%hu to at least %hux%hu",
-                localWindow.ws_col, localWindow.ws_row,
-                remoteWindow.ws_col, remoteWindow.ws_row
-            );
-            sigset_t mask;
-            sigemptyset(&mask);
-            sigsuspend(&mask);
-            continue;
-        }
-
-        char buf[4096];
-        for (;;) {
-            struct kevent event;
-            int nevents = kevent(kq, NULL, 0, &event, 1, NULL);
-            if (nevents < 0) {
-                if (errno == EINTR) break;
-                err(EX_OSERR, "kevent");
-            }
-
-            if (event.ident == (uintptr_t)fd.input) {
-                ssize_t size = read(fd.input, buf, sizeof(buf));
-                if (size < 0) err(EX_IOERR, "read(%d)", fd.input);
-                if (size == 1 && buf[0] == 'q') return EX_OK;
-            }
-
-            if (event.ident == (uintptr_t)fd.remote) {
-                if (event.data < 0) break;
-
-                ssize_t readSize = read(fd.remote, buf, sizeof(buf));
-                if (readSize < 0) err(EX_IOERR, "read(%d)", fd.remote);
-
-                ssize_t writeSize = write(fd.local, buf, readSize);
-                if (writeSize < 0) err(EX_IOERR, "write(%d)", fd.local);
-                if (writeSize < readSize) errx(EX_IOERR, "short write(%d)", fd.local);
-            }
-        }
-    }
-}