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Don't try to mmap() empty ipsec.secret files

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Martin Willi
2013-03-19 13:46:16 +01:00
parent 8a0a1ae857
commit 824864f4e0
1 changed files with 5 additions and 1 deletions
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src/libcharon/plugins/stroke/stroke_cred.c
+5 -1
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@@ -991,6 +991,11 @@ static void load_secrets(private_stroke_cred_t *this, char *file, int level,
close(fd); close(fd);
return; return;
} }
if (sb.st_size == 0)
{ /* skip empty files, as mmap() complains */
close(fd);
return;
}
addr = mmap(NULL, sb.st_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); addr = mmap(NULL, sb.st_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
if (addr == MAP_FAILED) if (addr == MAP_FAILED)
{ {
@@ -1262,4 +1267,3 @@ stroke_cred_t *stroke_cred_create()
return &this->public; return &this->public;
} }