From 38e7b85fdde8b3dbf697535f439c96c53564ee72 Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Wed, 16 Oct 2019 15:46:32 +0200
Subject: Fix usage of baseband and potential other components from extracted
 IPSW

In case realpath fails, the output filename might be not set and thus fopen
will fail on it during copy. Setting the resolved output filename to the
given output filename in this case fixed the problem.
---
 src/ipsw.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src')

diff --git a/src/ipsw.c b/src/ipsw.c
index bd02bf9..d1d858b 100644
--- a/src/ipsw.c
+++ b/src/ipsw.c
@@ -231,10 +231,14 @@ int ipsw_extract_to_file_with_progress(const char* ipsw, const char* infile, con
 			ret = -1;
 			goto leave;
 		} else {
+			actual_outfile[0] = '\0';
 			if (realpath(outfile, actual_outfile) && (strcmp(actual_filepath, actual_outfile) == 0)) {
 				/* files are identical */
 				ret = 0;
 			} else {
+				if (actual_outfile[0] == '\0') {
+					strcpy(actual_outfile, outfile);
+				}
 				FILE *fi = fopen(actual_filepath, "rb");
 				if (!fi) {
 					error("ERROR: fopen: %s: %s\n", actual_filepath, strerror(errno));
-- 
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