commit - a0603cf4f59bf80a3c8d65c4fa38da371dba8c5b
commit + c902213d3f8bc01899af3801fc2521a702fc703c
blob - 89c442c3a1faa744027e0511d4fd421f9474ee20
blob + b970ee903b827d35f5b176c68200ec092a13d4e8
--- README
+++ README
This will install the following commands:
gotd, the repository server program
+ gotctl, the server control utility
gotsh, the login shell for users accessing the server via the network
See the following manual page files for information about server setup:
$ man -l gotd/gotd.8
$ man -l gotd/gotd.conf.5
+ $ man -l gotctl/gotctl.8
$ man -l gotsh/gotsh.1
blob - 112ff42ae9054a24468d0844bcfb59ac93075d9c
blob + 3ac0c97028424e20588671698c7ed94711ddc881
--- gotd/gotd.c
+++ gotd/gotd.c
static struct gotd gotd;
void gotd_sighdlr(int sig, short event, void *arg);
+static void gotd_shutdown(void);
__dead static void
usage()
return client->repo_read;
else if (client->repo_write)
return client->repo_write;
- else {
- fatal("uid %d is neither reading nor writing", client->euid);
- /* NOTREACHED */
- }
+
return NULL;
}
log_debug("uid %d: disconnecting", client->euid);
idisconnect.client_id = client->id;
- if (gotd_imsg_compose_event(&proc->iev,
- GOTD_IMSG_DISCONNECT, PROC_GOTD, -1,
- &idisconnect, sizeof(idisconnect)) == -1)
- log_warn("imsg compose DISCONNECT");
-
+ if (proc) {
+ if (gotd_imsg_compose_event(&proc->iev,
+ GOTD_IMSG_DISCONNECT, PROC_GOTD, -1,
+ &idisconnect, sizeof(idisconnect)) == -1)
+ log_warn("imsg compose DISCONNECT");
+ }
slot = client_hash(client->id) % nitems(gotd_clients);
STAILQ_REMOVE(&gotd_clients[slot], client, gotd_client, entry);
imsg_clear(&client->iev.ibuf);
imsg_clear(&ibuf);
}
disconnect(client);
+}
+
+static const struct got_error *
+send_repo_info(struct gotd_imsgev *iev, struct gotd_repo *repo)
+{
+ const struct got_error *err = NULL;
+ struct gotd_imsg_info_repo irepo;
+
+ memset(&irepo, 0, sizeof(irepo));
+
+ if (strlcpy(irepo.repo_name, repo->name, sizeof(irepo.repo_name))
+ >= sizeof(irepo.repo_name))
+ return got_error_msg(GOT_ERR_NO_SPACE, "repo name too long");
+ if (strlcpy(irepo.repo_path, repo->path, sizeof(irepo.repo_path))
+ >= sizeof(irepo.repo_path))
+ return got_error_msg(GOT_ERR_NO_SPACE, "repo path too long");
+
+ if (gotd_imsg_compose_event(iev, GOTD_IMSG_INFO_REPO, PROC_GOTD, -1,
+ &irepo, sizeof(irepo)) == -1) {
+ err = got_error_from_errno("imsg compose INFO_REPO");
+ if (err)
+ return err;
+ }
+
+ return NULL;
}
+static const struct got_error *
+send_capability(struct gotd_client_capability *capa, struct gotd_imsgev* iev)
+{
+ const struct got_error *err = NULL;
+ struct gotd_imsg_capability icapa;
+ size_t len;
+ struct ibuf *wbuf;
+
+ memset(&icapa, 0, sizeof(icapa));
+
+ icapa.key_len = strlen(capa->key);
+ len = sizeof(icapa) + icapa.key_len;
+ if (capa->value) {
+ icapa.value_len = strlen(capa->value);
+ len += icapa.value_len;
+ }
+
+ wbuf = imsg_create(&iev->ibuf, GOTD_IMSG_CAPABILITY, 0, 0, len);
+ if (wbuf == NULL) {
+ err = got_error_from_errno("imsg_create CAPABILITY");
+ return err;
+ }
+
+ if (imsg_add(wbuf, &icapa, sizeof(icapa)) == -1)
+ return got_error_from_errno("imsg_add CAPABILITY");
+ if (imsg_add(wbuf, capa->key, icapa.key_len) == -1)
+ return got_error_from_errno("imsg_add CAPABILITY");
+ if (capa->value) {
+ if (imsg_add(wbuf, capa->value, icapa.value_len) == -1)
+ return got_error_from_errno("imsg_add CAPABILITY");
+ }
+
+ wbuf->fd = -1;
+ imsg_close(&iev->ibuf, wbuf);
+
+ gotd_imsg_event_add(iev);
+
+ return NULL;
+}
+
+static const struct got_error *
+send_client_info(struct gotd_imsgev *iev, struct gotd_client *client)
+{
+ const struct got_error *err = NULL;
+ struct gotd_imsg_info_client iclient;
+ struct gotd_child_proc *proc;
+ size_t i;
+
+ memset(&iclient, 0, sizeof(iclient));
+ iclient.euid = client->euid;
+ iclient.egid = client->egid;
+
+ proc = get_client_proc(client);
+ if (proc) {
+ if (strlcpy(iclient.repo_name, proc->chroot_path,
+ sizeof(iclient.repo_name)) >= sizeof(iclient.repo_name)) {
+ return got_error_msg(GOT_ERR_NO_SPACE,
+ "repo name too long");
+ }
+ if (client_is_writing(client))
+ iclient.is_writing = 1;
+ }
+
+ iclient.state = client->state;
+ iclient.ncapabilities = client->ncapabilities;
+
+ if (gotd_imsg_compose_event(iev, GOTD_IMSG_INFO_CLIENT, PROC_GOTD, -1,
+ &iclient, sizeof(iclient)) == -1) {
+ err = got_error_from_errno("imsg compose INFO_CLIENT");
+ if (err)
+ return err;
+ }
+
+ for (i = 0; i < client->ncapabilities; i++) {
+ struct gotd_client_capability *capa;
+ capa = &client->capabilities[i];
+ err = send_capability(capa, iev);
+ if (err)
+ return err;
+ }
+
+ return NULL;
+}
+
+static const struct got_error *
+send_info(struct gotd_client *client)
+{
+ const struct got_error *err = NULL;
+ struct gotd_imsg_info info;
+ uint64_t slot;
+ struct gotd_repo *repo;
+
+ info.pid = gotd.pid;
+ info.verbosity = gotd.verbosity;
+ info.nrepos = gotd.nrepos;
+ info.nclients = client_cnt - 1;
+
+ if (gotd_imsg_compose_event(&client->iev, GOTD_IMSG_INFO, PROC_GOTD, -1,
+ &info, sizeof(info)) == -1) {
+ err = got_error_from_errno("imsg compose INFO");
+ if (err)
+ return err;
+ }
+
+ TAILQ_FOREACH(repo, &gotd.repos, entry) {
+ err = send_repo_info(&client->iev, repo);
+ if (err)
+ return err;
+ }
+
+ for (slot = 0; slot < nitems(gotd_clients); slot++) {
+ struct gotd_client *c;
+ STAILQ_FOREACH(c, &gotd_clients[slot], entry) {
+ if (c->id == client->id)
+ continue;
+ err = send_client_info(&client->iev, c);
+ if (err)
+ return err;
+ }
+ }
+
+ return NULL;
+}
+
+static const struct got_error *
+stop_gotd(struct gotd_client *client)
+{
+
+ if (client->euid != 0)
+ return got_error_set_errno(EPERM, "stop");
+
+ gotd_shutdown();
+ /* NOTREACHED */
+ return NULL;
+}
+
static struct gotd_child_proc *
find_proc_by_repo_name(enum gotd_procid proc_id, const char *repo_name)
{
return got_error_from_errno("dup");
proc = get_client_proc(client);
+ if (proc == NULL)
+ fatalx("no process found for uid %d", client->euid);
if (gotd_imsg_compose_event(&proc->iev,
GOTD_IMSG_LIST_REFS_INTERNAL, PROC_GOTD, fd,
&ilref, sizeof(ilref)) == -1) {
return;
}
}
+
+ /* Disconnect gotctl(8) now that messages have been sent. */
+ if (!client_is_reading(client) && !client_is_writing(client)) {
+ disconnect(client);
+ return;
+ }
}
if ((events & EV_READ) == 0)
evtimer_del(&client->tmo);
switch (imsg.hdr.type) {
+ case GOTD_IMSG_INFO:
+ err = send_info(client);
+ break;
+ case GOTD_IMSG_STOP:
+ err = stop_gotd(client);
+ break;
case GOTD_IMSG_LIST_REFS:
if (client->state != GOTD_STATE_EXPECT_LIST_REFS) {
err = got_error_msg(GOT_ERR_BAD_REQUEST,
int ret = 0;
client_proc = get_client_proc(client);
+ if (client_proc == NULL)
+ fatalx("no process found for uid %d", client->euid);
+
if (proc->pid != client_proc->pid) {
kill_proc(proc, 1);
log_warnx("received message from PID %d for uid %d, while "
blob - 181834ce44e984caf7169755b86ad50d182325fd
blob + 6654c7116a6483e7457c581646809a9e5b09c6ae
--- gotd/gotd.h
+++ gotd/gotd.h
/* An error occured while processing a request. */
GOTD_IMSG_ERROR,
+ /* Commands used by gotctl(8). */
+ GOTD_IMSG_INFO,
+ GOTD_IMSG_INFO_REPO,
+ GOTD_IMSG_INFO_CLIENT,
+ GOTD_IMSG_STOP,
+
/* Request a list of references. */
GOTD_IMSG_LIST_REFS,
GOTD_IMSG_LIST_REFS_INTERNAL,
char msg[GOT_ERR_MAX_MSG_SIZE];
} __attribute__((__packed__));
+/* Structure for GOTD_IMSG_INFO. */
+struct gotd_imsg_info {
+ pid_t pid;
+ int verbosity;
+ int nrepos;
+ int nclients;
+
+ /* Followed by nrepos GOTD_IMSG_INFO_REPO messages. */
+ /* Followed by nclients GOTD_IMSG_INFO_CLIENT messages. */
+};
+
+/* Structure for GOTD_IMSG_INFO_REPO. */
+struct gotd_imsg_info_repo {
+ char repo_name[NAME_MAX];
+ char repo_path[PATH_MAX];
+};
+
+/* Structure for GOTD_IMSG_INFO_CLIENT */
+struct gotd_imsg_info_client {
+ uid_t euid;
+ gid_t egid;
+ char repo_name[NAME_MAX];
+ int is_writing;
+ enum gotd_client_state state;
+ size_t ncapabilities;
+
+ /* Followed by ncapabilities GOTD_IMSG_CAPABILITY. */
+};
+
/* Structure for GOTD_IMSG_LIST_REFS. */
struct gotd_imsg_list_refs {
char repo_name[NAME_MAX];
blob - /dev/null
blob + de99e60620ea466b3e56f258e643d00a974595d6 (mode 644)
--- /dev/null
+++ gotctl/Makefile
+.PATH:${.CURDIR}/../lib ${.CURDIR}/../gotd
+
+.include "../got-version.mk"
+
+PROG= gotctl
+SRCS= gotctl.c error.c imsg.c pollfd.c sha1.c
+
+MAN = ${PROG}.8
+
+CPPFLAGS = -I${.CURDIR}/../include -I${.CURDIR}/../lib -I${.CURDIR}/../gotd
+
+.if defined(PROFILE)
+LDADD = -lutil_p -lz_p -lm_p -lc_p -levent_p
+.else
+LDADD = -lutil -lz -lm -levent
+.endif
+DPADD = ${LIBZ} ${LIBUTIL}
+
+.if ${GOT_RELEASE} != "Yes"
+NOMAN = Yes
+.else
+BINDIR = ${PREFIX}/sbin
+.endif
+
+realinstall:
+ ${INSTALL} ${INSTALL_COPY} -o ${BINOWN} -g ${BINGRP} \
+ -m ${BINMODE} ${PROG} ${BINDIR}/${PROG}
+
+.include <bsd.prog.mk>
blob - /dev/null
blob + 1f836aa9f48869909e61c1d1c6ca6c9e8677b4f2 (mode 644)
--- /dev/null
+++ gotctl/gotctl.8
+.\"
+.\" Copyright (c) 2022 Stefan Sperling
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd $Mdocdate$
+.Dt GOTCTL 8
+.Os
+.Sh NAME
+.Nm gotctl
+.Nd control the Game of Trees Daemon
+.Sh SYNOPSIS
+.Nm
+.Op Fl hV
+.Op Fl f Ar path
+.Ar command
+.Op Ar arg ...
+.Sh DESCRIPTION
+.Nm
+controls the
+.Xr gotd 8
+daemon.
+.Pp
+The options for
+.Nm
+are as follows:
+.Bl -tag -width Ds
+.Bl -tag -width tenletters
+.It Fl h
+Display usage information and exit immediately.
+.It Fl f Ar path
+Set the
+.Ar path
+to the unix socket which
+.Xr gotd 8
+is listening on.
+If not specified, the default path
+.Pa /var/run/gotd.sock
+will be used.
+.It Fl V , -version
+Display program version and exit immediately.
+.El
+.Pp
+The commands for
+.Nm
+are as follows:
+.Bl -tag -width checkout
+.It Cm info
+Display information about a running
+.Xr gotd 8
+instance.
+.It Cm stop
+Stop a running
+.Xr gotd 8
+instance.
+This operation requires root privileges.
+.Sh SEE ALSO
+.Xr got 1 ,
+.Xr gotd 8
+.Sh AUTHORS
+.An Stefan Sperling Aq Mt stsp@openbsd.org
blob - /dev/null
blob + 821e75bd339a40b002fc603fcf67ccd42e2a0578 (mode 644)
--- /dev/null
+++ gotctl/gotctl.c
+/*
+ * Copyright (c) 2022 Stefan Sperling <stsp@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/queue.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include <err.h>
+#include <event.h>
+#include <imsg.h>
+#include <limits.h>
+#include <locale.h>
+#include <sha1.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include <unistd.h>
+
+#include "got_error.h"
+#include "got_version.h"
+
+#include "got_lib_gitproto.h"
+
+#include "gotd.h"
+
+#ifndef nitems
+#define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
+#endif
+
+#define GOTCTL_CMD_INFO "info"
+#define GOTCTL_CMD_STOP "stop"
+
+struct gotctl_cmd {
+ const char *cmd_name;
+ const struct got_error *(*cmd_main)(int, char *[], int);
+ void (*cmd_usage)(void);
+};
+
+__dead static void usage(int, int);
+
+__dead static void usage_info(void);
+__dead static void usage_stop(void);
+
+static const struct got_error* cmd_info(int, char *[], int);
+static const struct got_error* cmd_stop(int, char *[], int);
+
+static const struct gotctl_cmd gotctl_commands[] = {
+ { "info", cmd_info, usage_info },
+ { "stop", cmd_stop, usage_stop },
+};
+
+__dead static void
+usage_info(void)
+{
+ fprintf(stderr, "usage: %s info\n", getprogname());
+ exit(1);
+}
+
+static const struct got_error *
+show_info(struct imsg *imsg)
+{
+ struct gotd_imsg_info info;
+ size_t datalen;
+
+ datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
+ if (datalen != sizeof(info))
+ return got_error(GOT_ERR_PRIVSEP_LEN);
+ memcpy(&info, imsg->data, sizeof(info));
+
+ printf("gotd PID: %d\n", info.pid);
+ printf("verbosity: %d\n", info.verbosity);
+ printf("number of repositories: %d\n", info.nrepos);
+ printf("number of connected clients: %d\n", info.nclients);
+ return NULL;
+}
+
+static const struct got_error *
+show_repo_info(struct imsg *imsg)
+{
+ struct gotd_imsg_info_repo info;
+ size_t datalen;
+
+ datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
+ if (datalen != sizeof(info))
+ return got_error(GOT_ERR_PRIVSEP_LEN);
+ memcpy(&info, imsg->data, sizeof(info));
+
+ printf("repository \"%s\", path %s\n", info.repo_name, info.repo_path);
+ return NULL;
+}
+
+static const char *
+get_state_name(enum gotd_client_state state)
+{
+ static char unknown_state[64];
+
+ switch (state) {
+ case GOTD_STATE_EXPECT_LIST_REFS:
+ return "list-refs";
+ case GOTD_STATE_EXPECT_CAPABILITIES:
+ return "expect-capabilities";
+ case GOTD_STATE_EXPECT_WANT:
+ return "expect-want";
+ case GOTD_STATE_EXPECT_REF_UPDATE:
+ return "expect-ref-update";
+ case GOTD_STATE_EXPECT_MORE_REF_UPDATES:
+ return "expect-more-ref-updates";
+ case GOTD_STATE_EXPECT_HAVE:
+ return "expect-have";
+ case GOTD_STATE_EXPECT_PACKFILE:
+ return "expect-packfile";
+ case GOTD_STATE_EXPECT_DONE:
+ return "expect-done";
+ case GOTD_STATE_DONE:
+ return "done";
+ }
+
+ snprintf(unknown_state, sizeof(unknown_state),
+ "unknown state %d", state);
+ return unknown_state;
+}
+
+static const struct got_error *
+show_client_info(struct imsg *imsg)
+{
+ struct gotd_imsg_info_client info;
+ size_t datalen;
+
+ datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
+ if (datalen != sizeof(info))
+ return got_error(GOT_ERR_PRIVSEP_LEN);
+ memcpy(&info, imsg->data, sizeof(info));
+
+ printf("client UID %d, GID %d, protocol state '%s', ",
+ info.euid, info.egid, get_state_name(info.state));
+ if (info.is_writing)
+ printf("writing to %s\n", info.repo_name);
+ else
+ printf("reading from %s\n", info.repo_name);
+
+ return NULL;
+}
+
+static const struct got_error *
+show_capability(struct imsg *imsg)
+{
+ struct gotd_imsg_capability icapa;
+ size_t datalen;
+ char *key, *value = NULL;
+
+ memset(&icapa, 0, sizeof(icapa));
+
+ datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
+ if (datalen < sizeof(icapa))
+ return got_error(GOT_ERR_PRIVSEP_LEN);
+ memcpy(&icapa, imsg->data, sizeof(icapa));
+
+ if (datalen != sizeof(icapa) + icapa.key_len + icapa.value_len)
+ return got_error(GOT_ERR_PRIVSEP_LEN);
+
+ key = malloc(icapa.key_len + 1);
+ if (key == NULL)
+ return got_error_from_errno("malloc");
+ if (icapa.value_len > 0) {
+ value = malloc(icapa.value_len + 1);
+ if (value == NULL) {
+ free(key);
+ return got_error_from_errno("malloc");
+ }
+ }
+
+ memcpy(key, imsg->data + sizeof(icapa), icapa.key_len);
+ key[icapa.key_len] = '\0';
+ if (value) {
+ memcpy(value, imsg->data + sizeof(icapa) + icapa.key_len,
+ icapa.value_len);
+ value[icapa.value_len] = '\0';
+ }
+
+ if (strcmp(key, GOT_CAPA_AGENT) == 0)
+ printf(" client user agent: %s\n", value);
+ else if (value)
+ printf(" client supports %s=%s\n", key, value);
+ else
+ printf(" client supports %s\n", key);
+
+ free(key);
+ free(value);
+ return NULL;
+}
+
+static const struct got_error *
+cmd_info(int argc, char *argv[], int gotd_sock)
+{
+ const struct got_error *err;
+ struct imsgbuf ibuf;
+ struct imsg imsg;
+
+ imsg_init(&ibuf, gotd_sock);
+
+ if (imsg_compose(&ibuf, GOTD_IMSG_INFO, 0, 0, -1, NULL, 0) == -1)
+ return got_error_from_errno("imsg_compose INFO");
+
+ err = gotd_imsg_flush(&ibuf);
+ while (err == NULL) {
+ err = gotd_imsg_poll_recv(&imsg, &ibuf, 0);
+ if (err) {
+ if (err->code == GOT_ERR_EOF)
+ err = NULL;
+ break;
+ }
+
+ switch (imsg.hdr.type) {
+ case GOTD_IMSG_ERROR:
+ err = gotd_imsg_recv_error(NULL, &imsg);
+ break;
+ case GOTD_IMSG_INFO:
+ err = show_info(&imsg);
+ break;
+ case GOTD_IMSG_INFO_REPO:
+ err = show_repo_info(&imsg);
+ break;
+ case GOTD_IMSG_INFO_CLIENT:
+ err = show_client_info(&imsg);
+ break;
+ case GOTD_IMSG_CAPABILITY:
+ err = show_capability(&imsg);
+ break;
+ default:
+ err = got_error(GOT_ERR_PRIVSEP_MSG);
+ break;
+ }
+
+ imsg_free(&imsg);
+ }
+
+ imsg_clear(&ibuf);
+ return err;
+}
+
+__dead static void
+usage_stop(void)
+{
+ fprintf(stderr, "usage: %s stop\n", getprogname());
+ exit(1);
+}
+
+static const struct got_error *
+cmd_stop(int argc, char *argv[], int gotd_sock)
+{
+ const struct got_error *err;
+ struct imsgbuf ibuf;
+ struct imsg imsg;
+
+ imsg_init(&ibuf, gotd_sock);
+
+ if (imsg_compose(&ibuf, GOTD_IMSG_STOP, 0, 0, -1, NULL, 0) == -1)
+ return got_error_from_errno("imsg_compose STOP");
+
+ err = gotd_imsg_flush(&ibuf);
+ while (err == NULL) {
+ err = gotd_imsg_poll_recv(&imsg, &ibuf, 0);
+ if (err) {
+ if (err->code == GOT_ERR_EOF)
+ err = NULL;
+ break;
+ }
+
+ switch (imsg.hdr.type) {
+ case GOTD_IMSG_ERROR:
+ err = gotd_imsg_recv_error(NULL, &imsg);
+ break;
+ default:
+ err = got_error(GOT_ERR_PRIVSEP_MSG);
+ break;
+ }
+
+ imsg_free(&imsg);
+ }
+
+ imsg_clear(&ibuf);
+ return err;
+}
+
+static void
+list_commands(FILE *fp)
+{
+ size_t i;
+
+ fprintf(fp, "commands:");
+ for (i = 0; i < nitems(gotctl_commands); i++) {
+ const struct gotctl_cmd *cmd = &gotctl_commands[i];
+ fprintf(fp, " %s", cmd->cmd_name);
+ }
+ fputc('\n', fp);
+}
+
+__dead static void
+usage(int hflag, int status)
+{
+ FILE *fp = (status == 0) ? stdout : stderr;
+
+ fprintf(fp, "usage: %s [-hV] command [arg ...]\n",
+ getprogname());
+ if (hflag)
+ list_commands(fp);
+ exit(status);
+}
+
+static const struct got_error *
+apply_unveil(const char *unix_socket_path)
+{
+#ifdef PROFILE
+ if (unveil("gmon.out", "rwc") != 0)
+ return got_error_from_errno2("unveil", "gmon.out");
+#endif
+ if (unveil(unix_socket_path, "w") != 0)
+ return got_error_from_errno2("unveil", unix_socket_path);
+
+ if (unveil(NULL, NULL) != 0)
+ return got_error_from_errno("unveil");
+
+ return NULL;
+}
+
+static int
+connect_gotd(const char *socket_path)
+{
+ const struct got_error *error = NULL;
+ char unix_socket_path[PATH_MAX];
+ int gotd_sock = -1;
+ struct sockaddr_un sun;
+
+ if (socket_path) {
+ if (strlcpy(unix_socket_path, socket_path,
+ sizeof(unix_socket_path)) >= sizeof(unix_socket_path))
+ errx(1, "gotd socket path too long");
+ } else {
+ strlcpy(unix_socket_path, GOTD_UNIX_SOCKET,
+ sizeof(unix_socket_path));
+ }
+
+ error = apply_unveil(unix_socket_path);
+ if (error)
+ errx(1, "%s", error->msg);
+
+#ifndef PROFILE
+ if (pledge("stdio unix", NULL) == -1)
+ err(1, "pledge");
+#endif
+ if ((gotd_sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
+ err(1, "socket");
+
+ memset(&sun, 0, sizeof(sun));
+ sun.sun_family = AF_UNIX;
+ if (strlcpy(sun.sun_path, unix_socket_path,
+ sizeof(sun.sun_path)) >= sizeof(sun.sun_path))
+ errx(1, "gotd socket path too long");
+ if (connect(gotd_sock, (struct sockaddr *)&sun, sizeof(sun)) == -1)
+ err(1, "connect: %s", unix_socket_path);
+
+#ifndef PROFILE
+ if (pledge("stdio", NULL) == -1)
+ err(1, "pledge");
+#endif
+
+ return gotd_sock;
+}
+
+int
+main(int argc, char *argv[])
+{
+ const struct gotctl_cmd *cmd;
+ int gotd_sock = -1, i;
+ int ch;
+ int hflag = 0, Vflag = 0;
+ static const struct option longopts[] = {
+ { "version", no_argument, NULL, 'V' },
+ { NULL, 0, NULL, 0 }
+ };
+ const char *socket_path = NULL;
+
+ setlocale(LC_CTYPE, "");
+
+#ifndef PROFILE
+ if (pledge("stdio unix unveil", NULL) == -1)
+ err(1, "pledge");
+#endif
+
+ while ((ch = getopt_long(argc, argv, "+hf:V", longopts, NULL)) != -1) {
+ switch (ch) {
+ case 'h':
+ hflag = 1;
+ break;
+ case 'f':
+ socket_path = optarg;
+ break;
+ case 'V':
+ Vflag = 1;
+ break;
+ default:
+ usage(hflag, 1);
+ /* NOTREACHED */
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+ optind = 1;
+ optreset = 1;
+
+ if (Vflag) {
+ got_version_print_str();
+ return 0;
+ }
+
+ if (argc <= 0)
+ usage(hflag, hflag ? 0 : 1);
+
+ for (i = 0; i < nitems(gotctl_commands); i++) {
+ const struct got_error *error;
+
+ cmd = &gotctl_commands[i];
+
+ if (strncmp(cmd->cmd_name, argv[0], strlen(argv[0])) != 0)
+ continue;
+
+ if (hflag)
+ cmd->cmd_usage();
+
+ gotd_sock = connect_gotd(socket_path);
+ if (gotd_sock == -1)
+ return 1;
+ error = cmd->cmd_main(argc, argv, gotd_sock);
+ close(gotd_sock);
+ if (error) {
+ fprintf(stderr, "%s: %s\n", getprogname(), error->msg);
+ return 1;
+ }
+
+ return 0;
+ }
+
+ fprintf(stderr, "%s: unknown command '%s'\n", getprogname(), argv[0]);
+ list_commands(stderr);
+ return 1;
+}
