kaguya
83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/xattr.h>
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#define assert_perror(x) \
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({ \
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int res = (x); \
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if (res < 0) { \
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perror(#x); \
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return 1; \
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} \
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res; \
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})
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#define soft_assert(x, m) \
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({ \
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if (!(x)) { \
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fprintf(stderr, "cond \"%s\" failed: %s\n", #x, m); \
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return 1; \
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} \
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})
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void remove_tmp(const char (*fname)[]) {
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unlink(&(*fname)[0]);
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}
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#define _cleanup_file_ __attribute__((cleanup(remove_tmp)))
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int main(void) {
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int ret;
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char buf[32] = { 0 };
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_cleanup_file_ char filename[] = "xattr_test.XXXXXX";
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_cleanup_file_ char filename2[] = "xattr_test.XXXXXX.2";
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int tmpfile = assert_perror(mkstemp(filename));
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memcpy(filename2, filename, sizeof(filename) - 1);
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assert_perror(symlink(filename, filename2));
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assert_perror(setxattr(filename, "user.T1", "ABC", 3, XATTR_CREATE));
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assert_perror(fsetxattr(tmpfile, "user.T2", "DEF", 3, XATTR_CREATE));
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// for testing remove
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assert_perror(fsetxattr(tmpfile, "user.T3", "DEF", 3, XATTR_CREATE));
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if ((ret = getxattr(filename, "user.T1", buf, 3)) != 3) {
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if (ret < 0) {
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perror("getxattr");
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return 1;
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}
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soft_assert(memcmp(buf, "ABC", 3) == 0, "xattr read wrong");
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}
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ret = lgetxattr(filename2, "user.T1", buf, 3);
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soft_assert(ret < 0 && errno == ENODATA, "lgetxattr deref'd");
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if ((ret = fgetxattr(tmpfile, "user.T3", buf, 3)) != 3) {
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if (ret < 0) {
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perror("fgetxattr");
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return 1;
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}
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soft_assert(memcmp(buf, "DEF", 3) == 0, "xattr read wrong");
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}
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assert_perror(removexattr(filename, "user.T2"));
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assert_perror(fremovexattr(tmpfile, "user.T3"));
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ret = assert_perror(listxattr(filename, buf, sizeof(buf) - 1));
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soft_assert(memmem(buf, ret, "user.T1", 7), "user.T1 not found");
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soft_assert(!memmem(buf, ret, "user.T2", 7), "user.T2 found");
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soft_assert(!memmem(buf, ret, "user.T3", 7), "user.T3 found");
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ret = assert_perror(flistxattr(tmpfile, buf, sizeof(buf) - 1));
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soft_assert(memmem(buf, ret, "user.T1", 7), "user.T1 not found");
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soft_assert(!memmem(buf, ret, "user.T2", 7), "user.T2 found");
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soft_assert(!memmem(buf, ret, "user.T3", 7), "user.T3 found");
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return 0;
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}
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