From 156eefca454e10440d1070f7500e1708589fc64b Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Wed, 16 Apr 2014 13:17:09 -0400
Subject: Make sure everything using an interned string is preceded by a log

(It's nice to know what we were about to rename before we died from
renaming it.)
---
 src/common/compat.c | 2 ++
 src/common/crypto.c | 1 +
 src/common/util.c   | 2 ++
 3 files changed, 5 insertions(+)

(limited to 'src/common')

diff --git a/src/common/compat.c b/src/common/compat.c
index 5c1853528..c5945fbd2 100644
--- a/src/common/compat.c
+++ b/src/common/compat.c
@@ -144,6 +144,7 @@ tor_open_cloexec(const char *path, int flags, unsigned mode)
     return -1;
 #endif
 
+  log_debug(LD_FS, "Opening %s with flags %x", path, flags);
   fd = open(path, flags, mode);
 #ifdef FD_CLOEXEC
   if (fd >= 0) {
@@ -179,6 +180,7 @@ tor_fopen_cloexec(const char *path, const char *mode)
 int
 tor_rename(const char *path_old, const char *path_new)
 {
+  log_debug(LD_FS, "Renaming %s to %s", path_old, path_new);
   return rename(sandbox_intern_string(path_old),
                 sandbox_intern_string(path_new));
 }
diff --git a/src/common/crypto.c b/src/common/crypto.c
index 8a4ffb694..a247a87d4 100644
--- a/src/common/crypto.c
+++ b/src/common/crypto.c
@@ -2471,6 +2471,7 @@ crypto_strongest_rand(uint8_t *out, size_t out_len)
   return 0;
 #else
   for (i = 0; filenames[i]; ++i) {
+    log_debug(LD_FS, "Opening %s for entropy", filenames[i]);
     fd = open(sandbox_intern_string(filenames[i]), O_RDONLY, 0);
     if (fd<0) continue;
     log_info(LD_CRYPTO, "Reading entropy from \"%s\"", filenames[i]);
diff --git a/src/common/util.c b/src/common/util.c
index a50f2566d..86bb8baae 100644
--- a/src/common/util.c
+++ b/src/common/util.c
@@ -1830,6 +1830,7 @@ file_status(const char *fname)
   int r;
   f = tor_strdup(fname);
   clean_name_for_stat(f);
+  log_debug(LD_FS, "stat()ing %s", f);
   r = stat(sandbox_intern_string(f), &st);
   tor_free(f);
   if (r) {
@@ -1880,6 +1881,7 @@ check_private_dir(const char *dirname, cpd_check_t check,
   tor_assert(dirname);
   f = tor_strdup(dirname);
   clean_name_for_stat(f);
+  log_debug(LD_FS, "stat()ing %s", f);
   r = stat(sandbox_intern_string(f), &st);
   tor_free(f);
   if (r) {
-- 
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