commit f748bd45dfafc8c8882017168f86b27da85ebc72
Author: Oswald Buddenhagen <[email protected]>
Date: Thu Dec 23 20:06:19 2021 +0100
tweak debug output for IMAP literals
- short literals are now printed even with only -Dn.
this ensures that we see all parts of, for example, LIST responses.
we use xprintf() for that, so we don't mess up the -Dn output in case
the literal contains something unexpected (we don't care with -DN).
- omitted bytes are now indicated.
- missing trailing newlines are now "pretty-printed".
- long literals are now printed in chunks as we receive them. this
makes the output messier, but it's necessary for an upcoming change,
and, on the upside, we'll get better indication when the transfer
gets stuck in the middle of a message.
src/drv_imap.c | 46 ++++++++++++++++++++++++++++++----------------
1 file changed, 30 insertions(+), 16 deletions(-)
diff --git a/src/drv_imap.c b/src/drv_imap.c
index 1f75e6cf..120bcdab 100644
--- a/src/drv_imap.c
+++ b/src/drv_imap.c
@@ -356,10 +356,14 @@ send_imap_cmd( imap_store_t *ctx, imap_cmd_t *cmd )
iov[2].len = 2;
iov[2].takeOwn = KeepOwn;
if (litplus) {
- if (DFlags & DEBUG_NET_ALL) {
- printf( "%s>>>>>>>>>\n", ctx->label );
- fwrite( cmd->param.data, cmd->param.data_len, 1, stdout
);
- printf( "%s>>>>>>>>>\n", ctx->label );
+ if (DFlags & DEBUG_NET) {
+ if (DFlags & DEBUG_NET_ALL) {
+ printf( "%s>>>>>>>>>\n", ctx->label );
+ fwrite( cmd->param.data, cmd->param.data_len,
1, stdout );
+ printf( "%s>>>>>>>>>\n", ctx->label );
+ } else {
+ printf( "%s>>>>> (%u bytes omitted)\n",
ctx->label, cmd->param.data_len );
+ }
fflush( stdout );
}
iov[3].buf = cmd->param.data;
@@ -788,18 +792,24 @@ parse_imap_list( imap_store_t *ctx, char **sp,
parse_list_state_t *sts )
sts->err = "unexpected EOF";
goto bail;
}
+ if (DFlags & DEBUG_NET) {
+ if (cur->len < 64) {
+ xprintf( "%s%.*!s\n", ctx->label,
(int)n, p );
+ } else if (DFlags & DEBUG_NET_ALL) {
+ printf( "%s=========\n", ctx->label );
+ fwrite( p, n, 1, stdout );
+ if (p[n - 1] != '\n')
+ fputs( "\n(no-nl) ", stdout );
+ printf( "%s=========\n", ctx->label );
+ } else {
+ printf( "%s=== (%u bytes omitted)\n",
ctx->label, n );
+ }
+ fflush( stdout );
+ }
memcpy( s, p, n );
bytes -= n;
if (bytes > 0)
goto postpone;
-
- if (DFlags & DEBUG_NET_ALL) {
- printf( "%s=========\n", ctx->label );
- fwrite( cur->val, cur->len, 1, stdout );
- printf( "%s=========\n", ctx->label );
- fflush( stdout );
- }
-
getline:
if (!(s = socket_read_line( &ctx->conn )))
goto postpone;
@@ -1614,10 +1624,14 @@ imap_socket_read( void *aux )
if (cmdp->param.data) {
if (cmdp->param.to_trash)
ctx->trashnc = TrashKnown; /* Can't get
NO [TRYCREATE] any more. */
- if (DFlags & DEBUG_NET_ALL) {
- printf( "%s>>>>>>>>>\n", ctx->label );
- fwrite( cmdp->param.data,
cmdp->param.data_len, 1, stdout );
- printf( "%s>>>>>>>>>\n", ctx->label );
+ if (DFlags & DEBUG_NET) {
+ if (DFlags & DEBUG_NET_ALL) {
+ printf( "%s>>>>>>>>>\n",
ctx->label );
+ fwrite( cmdp->param.data,
cmdp->param.data_len, 1, stdout );
+ printf( "%s>>>>>>>>>\n",
ctx->label );
+ } else {
+ printf( "%s>>>>> (%u bytes
omitted)\n", ctx->label, cmdp->param.data_len );
+ }
fflush( stdout );
}
iov[0].buf = cmdp->param.data;
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