2 * Copyright (c) 2019, 2022 Stefan Sperling <stsp@openbsd.org>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #include <sys/types.h>
20 #include <sys/socket.h>
21 #include <sys/queue.h>
35 #include "got_error.h"
36 #include "got_object.h"
37 #include "got_repository.h"
40 #include "got_lib_delta.h"
41 #include "got_lib_object.h"
42 #include "got_lib_object_cache.h"
43 #include "got_lib_privsep.h"
44 #include "got_lib_pack.h"
45 #include "got_lib_repository.h"
47 const struct got_error *
48 got_repo_read_gitconfig(int *gitconfig_repository_format_version,
49 char **gitconfig_author_name, char **gitconfig_author_email,
50 struct got_remote_repo **remotes, int *nremotes,
51 char **gitconfig_owner, char **object_format,
52 char ***extensions, int *nextensions,
53 const char *gitconfig_path)
55 const struct got_error *err = NULL, *child_err = NULL;
57 int imsg_fds[2] = { -1, -1 };
61 *gitconfig_repository_format_version = 0;
66 *gitconfig_author_name = NULL;
67 *gitconfig_author_email = NULL;
73 *gitconfig_owner = NULL;
75 *object_format = NULL;
77 fd = open(gitconfig_path, O_RDONLY | O_CLOEXEC);
81 return got_error_from_errno2("open", gitconfig_path);
84 ibuf = calloc(1, sizeof(*ibuf));
86 err = got_error_from_errno("calloc");
90 if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, imsg_fds) == -1) {
91 err = got_error_from_errno("socketpair");
97 err = got_error_from_errno("fork");
99 } else if (pid == 0) {
100 got_privsep_exec_child(imsg_fds, GOT_PATH_PROG_READ_GITCONFIG,
105 if (close(imsg_fds[1]) == -1) {
106 err = got_error_from_errno("close");
110 imsg_init(ibuf, imsg_fds[0]);
112 err = got_privsep_send_gitconfig_parse_req(ibuf, fd);
117 err = got_privsep_send_gitconfig_repository_format_version_req(ibuf);
121 err = got_privsep_recv_gitconfig_int(
122 gitconfig_repository_format_version, ibuf);
126 if (extensions && nextensions) {
127 err = got_privsep_send_gitconfig_repository_extensions_req(
131 err = got_privsep_recv_gitconfig_int(nextensions, ibuf);
134 if (*nextensions > 0) {
136 *extensions = calloc(*nextensions, sizeof(char *));
137 if (*extensions == NULL) {
138 err = got_error_from_errno("calloc");
141 for (i = 0; i < *nextensions; i++) {
143 err = got_privsep_recv_gitconfig_str(&ext,
147 (*extensions)[i] = ext;
152 err = got_privsep_send_gitconfig_author_name_req(ibuf);
156 err = got_privsep_recv_gitconfig_str(gitconfig_author_name, ibuf);
160 err = got_privsep_send_gitconfig_author_email_req(ibuf);
164 err = got_privsep_recv_gitconfig_str(gitconfig_author_email, ibuf);
168 if (remotes && nremotes) {
169 err = got_privsep_send_gitconfig_remotes_req(ibuf);
173 err = got_privsep_recv_gitconfig_remotes(remotes,
179 if (gitconfig_owner) {
180 err = got_privsep_send_gitconfig_owner_req(ibuf);
183 err = got_privsep_recv_gitconfig_str(gitconfig_owner, ibuf);
188 err = got_privsep_send_stop(imsg_fds[0]);
189 child_err = got_privsep_wait_for_child(pid);
190 if (child_err && err == NULL)
193 if (imsg_fds[0] != -1 && close(imsg_fds[0]) == -1 && err == NULL)
194 err = got_error_from_errno("close");
195 if (imsg_fds[1] != -1 && close(imsg_fds[1]) == -1 && err == NULL)
196 err = got_error_from_errno("close");
197 if (fd != -1 && close(fd) == -1 && err == NULL)
198 err = got_error_from_errno2("close", gitconfig_path);