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-rw-r--r--src/test/test-chase-symlinks.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/test/test-chase-symlinks.c b/src/test/test-chase-symlinks.c
new file mode 100644
index 0000000..9e50c5c
--- /dev/null
+++ b/src/test/test-chase-symlinks.c
@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#include <getopt.h>
+
+#include "chase-symlinks.h"
+#include "fd-util.h"
+#include "log.h"
+#include "main-func.h"
+
+static char *arg_root = NULL;
+static int arg_flags = 0;
+static bool arg_open = false;
+
+static int parse_argv(int argc, char *argv[]) {
+ enum {
+ ARG_ROOT = 0x1000,
+ ARG_OPEN,
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "root", required_argument, NULL, ARG_ROOT },
+ { "open", no_argument, NULL, ARG_OPEN },
+
+ { "prefix-root", no_argument, NULL, CHASE_PREFIX_ROOT },
+ { "nonexistent", no_argument, NULL, CHASE_NONEXISTENT },
+ { "no_autofs", no_argument, NULL, CHASE_NO_AUTOFS },
+ { "safe", no_argument, NULL, CHASE_SAFE },
+ { "trail-slash", no_argument, NULL, CHASE_TRAIL_SLASH },
+ { "step", no_argument, NULL, CHASE_STEP },
+ { "nofollow", no_argument, NULL, CHASE_NOFOLLOW },
+ { "warn", no_argument, NULL, CHASE_WARN },
+ {}
+ };
+
+ int c;
+
+ assert_se(argc >= 0);
+ assert_se(argv);
+
+ while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0)
+ switch (c) {
+
+ case 'h':
+ printf("Syntax:\n"
+ " %s [OPTION...] path...\n"
+ "Options:\n"
+ , argv[0]);
+ for (size_t i = 0; i < ELEMENTSOF(options) - 1; i++)
+ printf(" --%s\n", options[i].name);
+ return 0;
+
+ case ARG_ROOT:
+ arg_root = optarg;
+ break;
+
+ case ARG_OPEN:
+ arg_open = true;
+ break;
+
+ case CHASE_PREFIX_ROOT:
+ case CHASE_NONEXISTENT:
+ case CHASE_NO_AUTOFS:
+ case CHASE_SAFE:
+ case CHASE_TRAIL_SLASH:
+ case CHASE_STEP:
+ case CHASE_NOFOLLOW:
+ case CHASE_WARN:
+ arg_flags |= c;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached();
+ }
+
+ if (optind == argc)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "At least one argument is required.");
+
+ return 1;
+}
+
+static int run(int argc, char **argv) {
+ int r;
+
+ log_setup();
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ return r;
+
+ for (int i = optind; i < argc; i++) {
+ _cleanup_free_ char *p = NULL;
+ _cleanup_close_ int fd = -1;
+
+ printf("%s ", argv[i]);
+ fflush(stdout);
+
+ r = chase_symlinks(argv[i], arg_root, arg_flags, &p, arg_open ? &fd : NULL);
+ if (r < 0)
+ log_error_errno(r, "failed: %m");
+ else {
+ log_info("→ %s", p);
+ if (arg_open)
+ assert_se(fd >= 0);
+ else
+ assert_se(fd == -1);
+ }
+ }
+
+ return 0;
+}
+
+DEFINE_MAIN_FUNCTION(run);