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Need to include message size in the maximum buffer calculation.

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This commit is contained in:
nicm
2019-12-16 16:09:28 +00:00
parent eaa58d28dc
commit b4520aaf2c
2 changed files with 4 additions and 4 deletions
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4
client.c
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@@ -601,8 +601,8 @@ client_read_callback(__unused struct bufferevent *bev, void *arg)
if (bsize == 0)
break;
if (bsize > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
bsize = MAX_IMSGSIZE - IMSG_HEADER_SIZE;
if (bsize > MAX_IMSGSIZE - IMSG_HEADER_SIZE - sizeof *msg)
bsize = MAX_IMSGSIZE - IMSG_HEADER_SIZE - sizeof *msg;
log_debug("read %zu from file %d", bsize, cf->stream);
msglen = (sizeof *msg) + bsize;

4
file.c
View File

@@ -376,8 +376,8 @@ file_push(struct client_file *cf)
left = EVBUFFER_LENGTH(cf->buffer);
while (left != 0) {
sent = left;
if (sent > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
sent = MAX_IMSGSIZE - IMSG_HEADER_SIZE;
if (sent > MAX_IMSGSIZE - IMSG_HEADER_SIZE - sizeof *msg)
sent = MAX_IMSGSIZE - IMSG_HEADER_SIZE - sizeof *msg;
msglen = (sizeof *msg) + sent;
msg = xrealloc(msg, msglen);