paulmataruso/osmo-upf
1
0
Fork 0
mirror of https://gitea.osmocom.org/cellular-infrastructure/osmo-upf.git synced 2025-11-03 05:23:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

gtp-probe fu

Browse Source
This commit is contained in:
Neels Hofmeyr
2024-03-16 07:02:43 +01:00
parent 048fee5059
commit 0e9724e0df
1 changed files with 5 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/osmo-pfcp-tool/gtp_probe.c
View File

@@ -51,25 +51,22 @@ static int gtp_probe_cb(struct osmo_fd *ofd, unsigned int what)
char strbuf[64];
uint8_t rxbuf[2048];
struct udphdr *h = (void *)rxbuf;
if (!(what & OSMO_FD_READ))
return 0;
rc = recvfrom(ofd->fd, rxbuf, sizeof(rxbuf), 0, (struct sockaddr *)&remote, &remote_len);
if (rc <= 0)
if (rc <= 0 || rc > sizeof(rxbuf)) {
fprintf(stderr, "problem receiving on UDP probe: rc %d > sizeof(rxbuf) %zu\n", rc, sizeof(rxbuf));
return -EIO;
}
osmo_sockaddr_str_from_sockaddr(&remote_str, &remote.u.sas);
size_t len = ntohl(h->len);
uint8_t *data = rxbuf + sizeof(*h);
size_t data_len = len - sizeof(*h);
if (ofd->priv_nr)
osmo_escape_cstr_buf(strbuf, sizeof(strbuf), (char *)data, data_len);
osmo_escape_cstr_buf(strbuf, sizeof(strbuf), (char *)rxbuf, rc);
else
osmo_hexdump_buf(strbuf, sizeof(strbuf), data, data_len, NULL, false);
osmo_hexdump_buf(strbuf, sizeof(strbuf), rxbuf, rc, NULL, false);
LOGP(DLGLOBAL, LOGL_NOTICE,
"Probe RX: " OSMO_SOCKADDR_STR_FMT " -> " OSMO_SOCKADDR_STR_FMT " '%s'\n",
@@ -178,9 +175,6 @@ int gtp_probe_run_tunend(struct gtp_probe_state *s, struct pfcp_tool_gtp_tun *in
pdu.ip.tot_len = htons(ip_len);
pdu.udp.len = htons(udp_len);
LOGP(DLGLOBAL, LOGL_NOTICE, "GTP-probe: sending payload GTP{%zu IP{%zu UDP{%zu {%zu %s} } } }\n",
gtp_len, ip_len, udp_len, data_len, osmo_quote_cstr_c(OTC_SELECT, pdu.data, data_len));
rc = osmo_sockaddr_str_to_32(&payload_src, &i32);
if (rc) {
LOGP(DLGLOBAL, LOGL_ERROR, "invalid payload source address: " OSMO_SOCKADDR_STR_FMT "\n",