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diff --git a/server/util_script.c b/server/util_script.c
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index 4121ae0..b7f8674 100644
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--- a/server/util_script.c
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+++ b/server/util_script.c
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@@ -92,9 +92,21 @@ static void add_unless_null(apr_table_t *table, const char *name, const char *va
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}
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}
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-static void env2env(apr_table_t *table, const char *name)
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+/* Sets variable @name in table @dest from r->subprocess_env if
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+ * available, else from the environment, else from @fallback if
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+ * non-NULL. */
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+static void env2env(apr_table_t *dest, request_rec *r,
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+ const char *name, const char *fallback)
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{
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- add_unless_null(table, name, getenv(name));
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+ const char *val;
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+
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+ val = apr_table_get(r->subprocess_env, name);
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+ if (!val)
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+ val = apr_pstrdup(r->pool, getenv(name));
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+ if (!val)
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+ val = apr_pstrdup(r->pool, fallback);
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+ if (val)
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+ apr_table_addn(dest, name, val);
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}
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AP_DECLARE(char **) ap_create_environment(apr_pool_t *p, apr_table_t *t)
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@@ -211,37 +223,29 @@ AP_DECLARE(void) ap_add_common_vars(request_rec *r)
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add_unless_null(e, http2env(r, hdrs[i].key), hdrs[i].val);
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}
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- env_temp = apr_table_get(r->subprocess_env, "PATH");
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- if (env_temp == NULL) {
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- env_temp = getenv("PATH");
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- }
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- if (env_temp == NULL) {
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- env_temp = DEFAULT_PATH;
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- }
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- apr_table_addn(e, "PATH", apr_pstrdup(r->pool, env_temp));
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-
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+ env2env(e, r, "PATH", DEFAULT_PATH);
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#if defined(WIN32)
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- env2env(e, "SystemRoot");
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- env2env(e, "COMSPEC");
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- env2env(e, "PATHEXT");
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- env2env(e, "WINDIR");
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+ env2env(e, r, "SystemRoot", NULL);
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+ env2env(e, r, "COMSPEC", NULL);
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+ env2env(e, r, "PATHEXT", NULL);
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+ env2env(e, r, "WINDIR", NULL);
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#elif defined(OS2)
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- env2env(e, "COMSPEC");
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- env2env(e, "ETC");
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- env2env(e, "DPATH");
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- env2env(e, "PERLLIB_PREFIX");
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+ env2env(e, r, "COMSPEC", NULL);
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+ env2env(e, r, "ETC", NULL);
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+ env2env(e, r, "DPATH", NULL);
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+ env2env(e, r, "PERLLIB_PREFIX", NULL);
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#elif defined(BEOS)
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- env2env(e, "LIBRARY_PATH");
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+ env2env(e, r, "LIBRARY_PATH", NULL);
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#elif defined(DARWIN)
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- env2env(e, "DYLD_LIBRARY_PATH");
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+ env2env(e, r, "DYLD_LIBRARY_PATH", NULL);
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#elif defined(_AIX)
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- env2env(e, "LIBPATH");
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+ env2env(e, r, "LIBPATH", NULL);
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#elif defined(__HPUX__)
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/* HPUX PARISC 2.0W knows both, otherwise redundancy is harmless */
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- env2env(e, "SHLIB_PATH");
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- env2env(e, "LD_LIBRARY_PATH");
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+ env2env(e, r, "SHLIB_PATH", NULL);
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+ env2env(e, r, "LD_LIBRARY_PATH", NULL);
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#else /* Some Unix */
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- env2env(e, "LD_LIBRARY_PATH");
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+ env2env(e, r, "LD_LIBRARY_PATH", NULL);
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#endif
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apr_table_addn(e, "SERVER_SIGNATURE", ap_psignature("", r));
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