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authorTavian Barnes <tavianator@tavianator.com>2019-02-01 00:00:08 -0500
committerTavian Barnes <tavianator@tavianator.com>2019-02-01 12:50:29 -0500
commit30012351f6cadc25bf800c86f1431eade4ee0af5 (patch)
tree03529f68d39d3b2eb9971acd3e73b65c89178e01 /tests
parent6a5c4c1161291a55b35151562a2d86c0a7a06606 (diff)
downloadbfs-30012351f6cadc25bf800c86f1431eade4ee0af5.tar.xz
tests: New utility for making and testing socket files
Diffstat (limited to 'tests')
-rw-r--r--tests/mksock.c131
-rw-r--r--tests/test_color.out1
-rw-r--r--tests/test_color_ext.out1
-rw-r--r--tests/test_color_ext0.out1
-rw-r--r--tests/test_color_mh.out1
-rw-r--r--tests/test_color_mh0.out1
-rw-r--r--tests/test_color_mi.out1
-rw-r--r--tests/test_color_missing_colon.out1
-rw-r--r--tests/test_color_or.out1
-rw-r--r--tests/test_color_or0_mi.out1
-rw-r--r--tests/test_color_or_mi.out1
-rw-r--r--tests/test_color_or_mi0.out1
12 files changed, 142 insertions, 0 deletions
diff --git a/tests/mksock.c b/tests/mksock.c
new file mode 100644
index 0000000..a996d58
--- /dev/null
+++ b/tests/mksock.c
@@ -0,0 +1,131 @@
+/****************************************************************************
+ * bfs *
+ * Copyright (C) 2019 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * Permission to use, copy, modify, and/or distribute this software for any *
+ * purpose with or without fee is hereby granted. *
+ * *
+ * 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. *
+ ****************************************************************************/
+
+/**
+ * There's no standard Unix utility that creates a socket file, so this small
+ * program does the job.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <libgen.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/un.h>
+#include <unistd.h>
+
+/**
+ * Print an error message.
+ */
+static void errmsg(const char *cmd, const char *path) {
+ fprintf(stderr, "%s: '%s': %s.\n", cmd, path, strerror(errno));
+}
+
+/**
+ * struct sockaddr_un::sun_path is very short, so we chdir() into the target
+ * directory before creating sockets in case the full path is too long but the
+ * file name is not.
+ */
+static int chdir_parent(const char *path) {
+ char *copy = strdup(path);
+ if (!copy) {
+ return -1;
+ }
+ const char *dir = dirname(copy);
+
+ int ret = chdir(dir);
+
+ int error = errno;
+ free(copy);
+ errno = error;
+
+ return ret;
+}
+
+/**
+ * Initialize a struct sockaddr_un with the right filename.
+ */
+static int init_sun(struct sockaddr_un *sock, const char *path) {
+ size_t len = strlen(path);
+ if (len == 0 || path[len - 1] == '/') {
+ errno = ENOENT;
+ return -1;
+ }
+
+ char *copy = strdup(path);
+ if (!copy) {
+ return -1;
+ }
+ const char *base = basename(copy);
+
+ len = strlen(base);
+ if (len >= sizeof(sock->sun_path)) {
+ free(copy);
+ errno = ENAMETOOLONG;
+ return -1;
+ }
+
+ sock->sun_family = AF_UNIX;
+ memcpy(sock->sun_path, base, len + 1);
+ free(copy);
+ return 0;
+}
+
+int main(int argc, char *argv[]) {
+ const char *cmd = argc > 0 ? argv[0] : "mksock";
+
+ if (argc != 2) {
+ fprintf(stderr, "Usage: %s NAME\n", cmd);
+ return EXIT_FAILURE;
+ }
+
+ const char *path = argv[1];
+
+ if (chdir_parent(path) != 0) {
+ errmsg(cmd, path);
+ return EXIT_FAILURE;
+ }
+
+ struct sockaddr_un sock;
+ if (init_sun(&sock, path) != 0) {
+ errmsg(cmd, path);
+ return EXIT_FAILURE;
+ }
+
+ int fd = socket(AF_UNIX, SOCK_STREAM, 0);
+ if (fd < 0) {
+ errmsg(cmd, path);
+ return EXIT_FAILURE;
+ }
+
+ int ret = EXIT_SUCCESS;
+
+ if (bind(fd, (struct sockaddr *)&sock, sizeof(sock)) != 0) {
+ errmsg(cmd, path);
+ ret = EXIT_FAILURE;
+ }
+
+ if (close(fd) != 0) {
+ errmsg(cmd, path);
+ ret = EXIT_FAILURE;
+ }
+
+ return ret;
+}
diff --git a/tests/test_color.out b/tests/test_color.out
index e267da8..40e09b4 100644
--- a/tests/test_color.out
+++ b/tests/test_color.out
@@ -1,5 +1,6 @@
rainbow
rainbow/exec.sh
+rainbow/socket
rainbow/link.txt
rainbow/sticky_ow
rainbow/sgid
diff --git a/tests/test_color_ext.out b/tests/test_color_ext.out
index d2e2a70..f8c4d28 100644
--- a/tests/test_color_ext.out
+++ b/tests/test_color_ext.out
@@ -1,5 +1,6 @@
rainbow
rainbow/exec.sh
+rainbow/socket
rainbow/link.txt
rainbow/file.txt
rainbow/sticky_ow
diff --git a/tests/test_color_ext0.out b/tests/test_color_ext0.out
index 3bc8dc1..8710fc8 100644
--- a/tests/test_color_ext0.out
+++ b/tests/test_color_ext0.out
@@ -1,6 +1,7 @@
rainbow
rainbow/file.txt
rainbow/exec.sh
+rainbow/socket
rainbow/link.txt
rainbow/sticky_ow
rainbow/sgid
diff --git a/tests/test_color_mh.out b/tests/test_color_mh.out
index 600451e..32e2b95 100644
--- a/tests/test_color_mh.out
+++ b/tests/test_color_mh.out
@@ -1,5 +1,6 @@
rainbow
rainbow/exec.sh
+rainbow/socket
rainbow/link.txt
rainbow/mh1
rainbow/mh2
diff --git a/tests/test_color_mh0.out b/tests/test_color_mh0.out
index e267da8..40e09b4 100644
--- a/tests/test_color_mh0.out
+++ b/tests/test_color_mh0.out
@@ -1,5 +1,6 @@
rainbow
rainbow/exec.sh
+rainbow/socket
rainbow/link.txt
rainbow/sticky_ow
rainbow/sgid
diff --git a/tests/test_color_mi.out b/tests/test_color_mi.out
index e267da8..40e09b4 100644
--- a/tests/test_color_mi.out
+++ b/tests/test_color_mi.out
@@ -1,5 +1,6 @@
rainbow
rainbow/exec.sh
+rainbow/socket
rainbow/link.txt
rainbow/sticky_ow
rainbow/sgid
diff --git a/tests/test_color_missing_colon.out b/tests/test_color_missing_colon.out
index d2e2a70..f8c4d28 100644
--- a/tests/test_color_missing_colon.out
+++ b/tests/test_color_missing_colon.out
@@ -1,5 +1,6 @@
rainbow
rainbow/exec.sh
+rainbow/socket
rainbow/link.txt
rainbow/file.txt
rainbow/sticky_ow
diff --git a/tests/test_color_or.out b/tests/test_color_or.out
index 6e94bc6..e132546 100644
--- a/tests/test_color_or.out
+++ b/tests/test_color_or.out
@@ -1,5 +1,6 @@
rainbow
rainbow/exec.sh
+rainbow/socket
rainbow/link.txt
rainbow/broken
rainbow/sticky_ow
diff --git a/tests/test_color_or0_mi.out b/tests/test_color_or0_mi.out
index cafa798..8b92ded 100644
--- a/tests/test_color_or0_mi.out
+++ b/tests/test_color_or0_mi.out
@@ -1,5 +1,6 @@
rainbow
rainbow/exec.sh
+rainbow/socket
rainbow/broken
rainbow/link.txt
rainbow/sticky_ow
diff --git a/tests/test_color_or_mi.out b/tests/test_color_or_mi.out
index 7e57688..8a095a8 100644
--- a/tests/test_color_or_mi.out
+++ b/tests/test_color_or_mi.out
@@ -1,6 +1,7 @@
rainbow
rainbow/broken
rainbow/exec.sh
+rainbow/socket
rainbow/link.txt
rainbow/sticky_ow
rainbow/sgid
diff --git a/tests/test_color_or_mi0.out b/tests/test_color_or_mi0.out
index 7e57688..8a095a8 100644
--- a/tests/test_color_or_mi0.out
+++ b/tests/test_color_or_mi0.out
@@ -1,6 +1,7 @@
rainbow
rainbow/broken
rainbow/exec.sh
+rainbow/socket
rainbow/link.txt
rainbow/sticky_ow
rainbow/sgid