From 7e1e19cdc808e6918c1956de14c90dc5a198b971 Mon Sep 17 00:00:00 2001 From: "sokoloff (Alexander)" Date: Wed, 16 May 2018 10:55:17 +0300 Subject: [PATCH] Fixed issue #70 "Unknown format of input file" in Manjaro --- src/backend/dbus/root/main.cpp | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/src/backend/dbus/root/main.cpp b/src/backend/dbus/root/main.cpp index 06d17a9..8ac813f 100644 --- a/src/backend/dbus/root/main.cpp +++ b/src/backend/dbus/root/main.cpp @@ -70,7 +70,7 @@ int main(int argc, char *argv[]) return CUPS_BACKEND_FAILED; } - cerr << "DEBUG: [Boomaga root] run boomagabackend as UID:" << pwd->pw_uid << " GID: " << pwd->pw_gid << endl; + cerr << "DEBUG: [Boomaga root] run " NONGUI_DIR"/boomagabackend as UID:" << pwd->pw_uid << " GID: " << pwd->pw_gid << endl; setenv("HOME", pwd->pw_dir, 1); @@ -82,6 +82,19 @@ int main(int argc, char *argv[]) } + if (argc > 6) + { + // Read PDF from file + stdin = freopen(argv[6], "r", stdin); + if (stdin == nullptr) + { + cerr << "ERROR: [Boomaga root] Can't open input file " << argv[6] << ": "; + perror(""); + return CUPS_BACKEND_FAILED; + } + } + + if (setuid(pwd->pw_uid) != 0) { cerr << "ERROR: [Boomaga root] Can't change UID to " << pwd->pw_uid << ": "; @@ -90,12 +103,6 @@ int main(int argc, char *argv[]) } - if (argc > 6) - { - // Read PDF from file - stdin = freopen(argv[6], "r", stdin); - } - execl(NONGUI_DIR "/boomagabackend", NONGUI_DIR "/boomagabackend", jobID, title, count, options, NULL); perror("ERROR: [Boomaga root] run boomagabackend error"); return CUPS_BACKEND_FAILED;