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qfile-dom0-unpacker: do not use gui-fatal

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most errors are reported to sending party, the only local left are pretty
unlikely to happen, so simply log them to logfile (stderr).
This commit is contained in:
Marek Marczykowski 2013-03-07 03:57:27 +01:00
parent f4c37be03a
commit 5670f4de77
2 changed files with 9 additions and 21 deletions
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2
dom0/qubes_rpc/Makefile
View File

@ -1,4 +1,4 @@
CC=gcc
CFLAGS=-g -Wall -I../../qubes_rpc -fPIC -pie
qfile-dom0-unpacker: qfile-dom0-unpacker.o ../../qubes_rpc/ioall.o ../../qubes_rpc/gui-fatal.o ../../qubes_rpc/copy_file.o ../../qubes_rpc/unpack.o ../../qubes_rpc/crc32.o
qfile-dom0-unpacker: qfile-dom0-unpacker.o ../../qubes_rpc/ioall.o ../../qubes_rpc/copy_file.o ../../qubes_rpc/unpack.o ../../qubes_rpc/crc32.o
$(CC) -pie -g -o $@ $^

28
dom0/qubes_rpc/qfile-dom0-unpacker.c
View File

@ -9,7 +9,6 @@
#include <string.h>
#include <unistd.h>
#include <sys/fsuid.h>
#include <gui-fatal.h>
#include <errno.h>
#include "filecopy.h"
@ -37,21 +36,6 @@ int prepare_creds_return_uid(char *username)
return pwd->pw_uid;
}
void wait_for_child(int statusfd)
{
int status;
if (read(statusfd, &status, sizeof status)!=sizeof status)
gui_fatal("File copy error: Internal error reading status from unpacker");
errno = status;
switch (status) {
case LEGAL_EOF: break;
case 0: gui_fatal("File copy: Connection terminated unexpectedly"); break;
case EINVAL: gui_fatal("File copy: Corrupted data from packer"); break;
case EEXIST: gui_fatal("File copy: not overwriting existing file. Clean ~/incoming, and retry copy"); break;
default: gui_fatal("File copy");
}
}
extern int do_unpack(void);
int main(int argc, char ** argv)
@ -76,10 +60,14 @@ int main(int argc, char ** argv)
incoming_dir = argv[2];
mkdir(incoming_dir, 0700);
if (chdir(incoming_dir))
gui_fatal("Error chdir to %s", incoming_dir);
if (chroot(incoming_dir)) //impossible
gui_fatal("Error chroot to %s", incoming_dir);
if (chdir(incoming_dir)) {
fprintf(stderr, "Error chdir to %s", incoming_dir);
exit(1);
}
if (chroot(incoming_dir)) {//impossible
fprintf(stderr, "Error chroot to %s", incoming_dir);
exit(1);
}
setuid(uid);
set_size_limit(bytes_limit, files_limit);
return do_unpack();