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-rw-r--r--TODO-RELEASE1
-rw-r--r--include/osmocom/core/socket.h2
-rw-r--r--src/socket.c44
3 files changed, 46 insertions, 1 deletions
diff --git a/TODO-RELEASE b/TODO-RELEASE
index fb0bfeab..5c6bfa3c 100644
--- a/TODO-RELEASE
+++ b/TODO-RELEASE
@@ -7,3 +7,4 @@
# If any interfaces have been added since the last public release: c:r:a + 1.
# If any interfaces have been removed or changed since the last public release: c:r:0.
#library what description / commit summary line
+libosmocore new function osmo_sock_get_name()
diff --git a/include/osmocom/core/socket.h b/include/osmocom/core/socket.h
index 6ef0912e..4f00e300 100644
--- a/include/osmocom/core/socket.h
+++ b/include/osmocom/core/socket.h
@@ -38,4 +38,6 @@ int osmo_sock_unix_init(uint16_t type, uint8_t proto,
int osmo_sock_unix_init_ofd(struct osmo_fd *ofd, uint16_t type, uint8_t proto,
const char *socket_path, unsigned int flags);
+char *osmo_sock_get_name(void *ctx, int fd);
+
/*! @} */
diff --git a/src/socket.c b/src/socket.c
index cdafadd0..3c5548ff 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -1,5 +1,5 @@
/*
- * (C) 2011 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2011-2017 by Harald Welte <laforge@gnumonks.org>
*
* All Rights Reserved
*
@@ -34,6 +34,7 @@
#include <osmocom/core/logging.h>
#include <osmocom/core/select.h>
#include <osmocom/core/socket.h>
+#include <osmocom/core/talloc.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
@@ -393,6 +394,47 @@ int osmo_sock_unix_init_ofd(struct osmo_fd *ofd, uint16_t type, uint8_t proto,
return osmo_fd_init_ofd(ofd, osmo_sock_unix_init(type, proto, socket_path, flags));
}
+/*! \brief Get address/port information on soocket in dyn-alloc string
+ * \param[in] ctx talloc context from which to allocate string buffer
+ * \param[in] fd file descriptor of socket
+ * \returns string identifying the connection of this socket
+ */
+char *osmo_sock_get_name(void *ctx, int fd)
+{
+ struct sockaddr sa_l, sa_r;
+ socklen_t sa_len_l = sizeof(sa_l);
+ socklen_t sa_len_r = sizeof(sa_r);
+ char hostbuf_l[64], hostbuf_r[64];
+ char portbuf_l[16], portbuf_r[16];
+ int rc;
+
+ rc = getsockname(fd, &sa_l, &sa_len_l);
+ if (rc < 0)
+ return NULL;
+
+ rc = getnameinfo(&sa_l, sa_len_l, hostbuf_l, sizeof(hostbuf_l),
+ portbuf_l, sizeof(portbuf_l),
+ NI_NUMERICHOST | NI_NUMERICSERV);
+ if (rc < 0)
+ return NULL;
+
+ rc = getpeername(fd, &sa_r, &sa_len_r);
+ if (rc < 0)
+ goto local_only;
+
+ rc = getnameinfo(&sa_r, sa_len_r, hostbuf_r, sizeof(hostbuf_r),
+ portbuf_r, sizeof(portbuf_r),
+ NI_NUMERICHOST | NI_NUMERICSERV);
+ if (rc < 0)
+ goto local_only;
+
+ return talloc_asprintf(ctx, "(%s:%s<->%s:%s)", hostbuf_r, portbuf_r,
+ hostbuf_l, portbuf_l);
+
+local_only:
+ return talloc_asprintf(ctx, "(NULL<->%s:%s)", hostbuf_l, portbuf_l);
+}
+
#endif /* HAVE_SYS_SOCKET_H */
/*! @} */