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-rw-r--r--src/sss_client/nss_mc_common.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/src/sss_client/nss_mc_common.c b/src/sss_client/nss_mc_common.c
index d910e17b..400042eb 100644
--- a/src/sss_client/nss_mc_common.c
+++ b/src/sss_client/nss_mc_common.c
@@ -83,6 +83,12 @@ errno_t sss_nss_check_header(struct sss_cli_mc_ctx *ctx)
return 0;
}
+#ifdef O_CLOEXEC
+#define SSS_MC_OPEN_FLAGS O_RDONLY|O_CLOEXEC
+#else
+#define SSS_MC_OPEN_FLAGS O_RDONLY
+#endif
+
errno_t sss_nss_mc_get_ctx(const char *name, struct sss_cli_mc_ctx *ctx)
{
struct stat fdstat;
@@ -106,10 +112,19 @@ errno_t sss_nss_mc_get_ctx(const char *name, struct sss_cli_mc_ctx *ctx)
goto done;
}
- ctx->fd = open(file, O_RDONLY|O_CLOEXEC);
+ ctx->fd = open(file, SSS_MC_OPEN_FLAGS);
if (ctx->fd == -1) {
ret = EIO;
goto done;
+#ifndef O_CLOEXEC
+ } else {
+ int v;
+
+ v = fcntl(ctx->fd, F_GETFD, 0);
+ /* we ignore an error, it's not fatal and there is nothing we
+ * can do about it anyways */
+ (void)fcntl(ctx->fd, F_SETFD, v | FD_CLOEXEC);
+#endif
}
ret = fstat(ctx->fd, &fdstat);