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authorLudovic Courtès <ludovic.courtes@inria.fr>2020-08-27 15:08:05 +0200
committerLudovic Courtès <ludo@gnu.org>2020-08-27 19:58:16 +0200
commit28dce8f02db38a41e59ecdf3786baa6f732636ff (patch)
tree15e625dc5abd72a6be4805e35a31119c88247fda /gnu/packages/aux-files
parent8df6900dffa9e1c74ac3f64877f067974eee0eeb (diff)
pack: fakechroot: Honor $LD_LIBRARY_PATH.
Until now, when using the "fakechroot" engine, $LD_LIBRARY_PATH would always be ignored. However, it's useful in some cases to allow users to specify LD_LIBRARY_PATH, so honor it. * gnu/packages/aux-files/run-in-namespace.c (concat_paths): New function. (exec_with_loader): Concatenante $LD_LIBRARY_PATH to the relocated AUDIT_LIBRARY_PATH.
Diffstat (limited to 'gnu/packages/aux-files')
-rw-r--r--gnu/packages/aux-files/run-in-namespace.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/gnu/packages/aux-files/run-in-namespace.c b/gnu/packages/aux-files/run-in-namespace.c
index 436c0b6286..52a16a5362 100644
--- a/gnu/packages/aux-files/run-in-namespace.c
+++ b/gnu/packages/aux-files/run-in-namespace.c
@@ -405,6 +405,23 @@ relocated_search_path (const char *path[], const char *store)
return new_path;
}
+/* Concatenate PATH1 and PATH2 with a colon in between. The result is
+ potentially malloc'd. */
+static char *
+concat_paths (const char *path1, const char *path2)
+{
+ if (path1[0] == '\0')
+ return (char *) path2;
+ else
+ {
+ char *result = xmalloc (strlen (path1) + strlen (path2) + 2);
+ strcpy (result, path1);
+ strcat (result, ":");
+ strcat (result, path2);
+ return result;
+ }
+}
+
/* Execute the wrapped program by invoking the loader (ld.so) directly,
passing it the audit module and preloading libfakechroot.so. */
static void
@@ -421,9 +438,12 @@ exec_with_loader (const char *store, int argc, char *argv[])
loader_argv[2] = concat (store,
LOADER_AUDIT_MODULE + sizeof original_store);
- /* The audit module depends on libc.so and libgcc_s.so. */
+ /* The audit module depends on libc.so and libgcc_s.so so honor
+ AUDIT_LIBRARY_PATH. Additionally, honor $LD_LIBRARY_PATH if set. */
loader_argv[3] = "--library-path";
- loader_argv[4] = relocated_search_path (audit_library_path, store);
+ loader_argv[4] =
+ concat_paths (getenv ("LD_LIBRARY_PATH") ?: "",
+ relocated_search_path (audit_library_path, store));
loader_argv[5] = "--preload";
loader_argv[6] = concat (store,