X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=daemon%2Fproto.c;h=709f978fe1e59114e3bc2277da13bd58c03abf67;hb=27566d8323e4a8af59f5649aeeaef97ebd55cbd0;hp=62871b5d3285780ce6d0dfcd2d8b91feb074635a;hpb=a7b73d4a1e09f12b2002083618056f0c823c1dcf;p=libguestfs.git diff --git a/daemon/proto.c b/daemon/proto.c index 62871b5..709f978 100644 --- a/daemon/proto.c +++ b/daemon/proto.c @@ -69,7 +69,7 @@ main_loop (int _sock) if (len > GUESTFS_MESSAGE_MAX) { fprintf (stderr, "guestfsd: incoming message is too long (%u bytes)\n", - len); + len); exit (1); } @@ -86,20 +86,20 @@ main_loop (int _sock) int i, j; for (i = 0; i < len; i += 16) { - printf ("%04x: ", i); - for (j = i; j < MIN (i+16, len); ++j) - printf ("%02x ", (unsigned char) buf[j]); - for (; j < i+16; ++j) - printf (" "); - printf ("|"); - for (j = i; j < MIN (i+16, len); ++j) - if (isprint (buf[j])) - printf ("%c", buf[j]); - else - printf ("."); - for (; j < i+16; ++j) - printf (" "); - printf ("|\n"); + printf ("%04x: ", i); + for (j = i; j < MIN (i+16, len); ++j) + printf ("%02x ", (unsigned char) buf[j]); + for (; j < i+16; ++j) + printf (" "); + printf ("|"); + for (j = i; j < MIN (i+16, len); ++j) + if (isprint (buf[j])) + printf ("%c", buf[j]); + else + printf ("."); + for (; j < i+16; ++j) + printf (" "); + printf ("|\n"); } } #endif @@ -147,11 +147,11 @@ main_loop (int _sock) end_us = (int64_t) end_t.tv_sec * 1000000 + end_t.tv_usec; elapsed_us = end_us - start_us; fprintf (stderr, "proc %d (%s) took %d.%02d seconds\n", - proc_nr, - proc_nr >= 0 && proc_nr < GUESTFS_PROC_NR_PROCS - ? function_names[proc_nr] : "UNKNOWN PROCEDURE", - (int) (elapsed_us / 1000000), - (int) ((elapsed_us / 10000) % 100)); + proc_nr, + proc_nr >= 0 && proc_nr < GUESTFS_PROC_NR_PROCS + ? function_names[proc_nr] : "UNKNOWN PROCEDURE", + (int) (elapsed_us / 1000000), + (int) ((elapsed_us / 10000) % 100)); } cont: @@ -266,9 +266,14 @@ reply (xdrproc_t xdrp, char *ret) } if (xdrp) { + /* This can fail if the reply body is too large, for example + * if it exceeds the maximum message size. In that case + * we want to return an error message instead. (RHBZ#509597). + */ if (!(*xdrp) (&xdr, ret)) { - fprintf (stderr, "guestfsd: failed to encode reply body\n"); - exit (1); + reply_with_perror ("guestfsd: failed to encode reply body\n"); + xdr_destroy (&xdr); + return; } } @@ -312,7 +317,7 @@ receive_file (receive_cb cb, void *opaque) if (len > GUESTFS_MESSAGE_MAX) { fprintf (stderr, "guestfsd: incoming message is too long (%u bytes)\n", - len); + len); exit (1); } @@ -336,7 +341,7 @@ receive_file (receive_cb cb, void *opaque) if (verbose) printf ("receive_file: got chunk: cancel = %d, len = %d, buf = %p\n", - chunk.cancel, chunk.data.data_len, chunk.data.data_val); + chunk.cancel, chunk.data.data_len, chunk.data.data_val); if (chunk.cancel) { fprintf (stderr, "receive_file: received cancellation from library\n"); @@ -392,7 +397,7 @@ send_file_write (const void *buf, int len) if (len > GUESTFS_MAX_CHUNK_SIZE) { fprintf (stderr, "send_file_write: len (%d) > GUESTFS_MAX_CHUNK_SIZE (%d)\n", - len, GUESTFS_MAX_CHUNK_SIZE); + len, GUESTFS_MAX_CHUNK_SIZE); return -1; } @@ -450,7 +455,7 @@ check_for_library_cancellation (void) if (flag != GUESTFS_CANCEL_FLAG) { fprintf (stderr, "check_for_library_cancellation: read 0x%x from library, expected 0x%x\n", - flag, GUESTFS_CANCEL_FLAG); + flag, GUESTFS_CANCEL_FLAG); return 0; }