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don't crash on manifests close to 1024 bytes long

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This commit is contained in:
Paul Gardner-Stephen 2022-06-02 12:08:27 +09:30
parent b0b5edc573
commit 029adc177f
1 changed files with 10 additions and 5 deletions
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7
monitor.c
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@ -653,13 +653,18 @@ static int monitor_help(const struct cli_parsed *parsed, struct cli_context *con
static void monitor_announce_bundle(rhizome_manifest *m) static void monitor_announce_bundle(rhizome_manifest *m)
{ {
char msg[1024]; // This message can contain the entire manifest, which itself can be 1024 bytes long.
// Thus we need to allow more space.
char msg[2048];
int len = snprintf(msg,1024,"\n*%zd:BUNDLE:%s\n", int len = snprintf(msg,1024,"\n*%zd:BUNDLE:%s\n",
m->manifest_all_bytes, m->manifest_all_bytes,
alloca_tohex_rhizome_bid_t(m->keypair.public_key)); alloca_tohex_rhizome_bid_t(m->keypair.public_key));
if ((len+m->manifest_all_bytes)<sizeof(msg)) {
bcopy(m->manifestdata, &msg[len], m->manifest_all_bytes); bcopy(m->manifestdata, &msg[len], m->manifest_all_bytes);
len+=m->manifest_all_bytes; len+=m->manifest_all_bytes;
msg[len++]='\n'; msg[len++]='\n';
}
monitor_tell_clients(msg, len, MONITOR_RHIZOME); monitor_tell_clients(msg, len, MONITOR_RHIZOME);
} }
DEFINE_TRIGGER(bundle_add, monitor_announce_bundle); DEFINE_TRIGGER(bundle_add, monitor_announce_bundle);