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/*
* dsock.c - OpenBSD socket processing functions for lsof
*/
/*
* Copyright 1994 Purdue Research Foundation, West Lafayette, Indiana
* 47907. All rights reserved.
*
* Written by Victor A. Abell
*
* This software is not subject to any license of the American Telephone
* and Telegraph Company or the Regents of the University of California.
*
* Permission is granted to anyone to use this software for any purpose on
* any computer system, and to alter it and redistribute it freely, subject
* to the following restrictions:
*
* 1. Neither the authors nor Purdue University are responsible for any
* consequences of the use of this software.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Credit to the authors and Purdue
* University must appear in documentation and sources.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 4. This notice may not be removed or altered.
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright 1994 Purdue Research Foundation.\nAll rights reserved.\n";
#endif
#include "common.h"
/*
* process_socket() - process socket
*/
void process_socket(struct lsof_context *ctx, struct kinfo_file *file) {
char *proto = NULL;
char *type = NULL;
char buf[64];
int flag;
uint32_t lport, fport;
/* Alloc Lf and set fd */
alloc_lfile(ctx, LSOF_FD_NUMERIC, file->fd_fd);
/* Type name */
switch (file->so_family) {
case AF_INET:
Lf->type = LSOF_FILE_IPV4;
break;
case AF_INET6:
Lf->type = LSOF_FILE_IPV6;
break;
case AF_UNIX:
Lf->type = LSOF_FILE_UNIX;
break;
case AF_ROUTE:
Lf->type = LSOF_FILE_ROUTE;
break;
}
/*
* Construct access code.
*/
if (file->fd_fd >= 0) {
if ((flag = (file->f_flag & (FREAD | FWRITE))) == FREAD)
Lf->access = LSOF_FILE_ACCESS_READ;
else if (flag == FWRITE)
Lf->access = LSOF_FILE_ACCESS_WRITE;
else if (flag == (FREAD | FWRITE))
Lf->access = LSOF_FILE_ACCESS_READ_WRITE;
}
/* Fill iproto */
switch (file->so_type) {
case SOCK_STREAM:
proto = "TCP";
break;
case SOCK_DGRAM:
proto = "UDP";
break;
case SOCK_RAW:
proto = "RAW";
break;
}
if (proto) {
(void)snpf(Lf->iproto, sizeof(Lf->iproto), "%s", proto);
Lf->inp_ty = 2;
}
if (file->so_family == AF_INET || file->so_family == AF_INET6) {
/* Show this entry if -i */
if (Fnet) {
/* Handle v4/v6 only */
if (FnetTy == 4 && file->so_family == AF_INET) {
Lf->sf |= SELNET;
} else if (FnetTy == 6 && file->so_family == AF_INET6) {
Lf->sf |= SELNET;
} else if (FnetTy == 0) {
Lf->sf |= SELNET;
}
}
/* Fill internet address info */
lport = ntohs(file->inp_lport);
fport = ntohs(file->inp_fport);
if (file->inp_fport) {
ent_inaddr(ctx, (unsigned char *)file->inp_laddru, lport,
(unsigned char *)file->inp_faddru, fport,
file->so_family);
} else {
/* No foreign address on LISTEN sockets */
ent_inaddr(ctx, (unsigned char *)file->inp_laddru, lport, NULL, 0,
file->so_family);
}
/* Fill TCP state */
if (file->so_type == SOCK_STREAM) {
Lf->lts.type = 0;
Lf->lts.state.i = file->t_state;
}
/* Fill dev with pcb if available */
if (file->inp_ppcb) {
(void)snpf(buf, sizeof(buf), "0x%" PRIx64, file->inp_ppcb);
enter_dev_ch(ctx, buf);
} else if (file->so_pcb && file->so_pcb != (uint64_t)(-1)) {
/* when running as non-root, -1 means not NULL */
(void)snpf(buf, sizeof(buf), "0x%" PRIx64, file->so_pcb);
enter_dev_ch(ctx, buf);
}
} else if (file->so_family == AF_UNIX) {
/* Show this entry if requested */
/* Via -U */
if (Funix)
Lf->sf |= SELUNX;
/* Name matches */
if (is_file_named(ctx, file->unp_path, 0)) {
Lf->sf |= SELNM;
}
/* Fill name */
switch (file->so_type) {
case SOCK_STREAM:
type = "STREAM";
break;
case SOCK_DGRAM:
type = "DGRAM";
break;
default:
type = "UNKNOWN";
break;
}
(void)snpf(Namech, Namechl, "%s%stype=%s",
file->unp_path[0] ? file->unp_path : "",
file->unp_path[0] ? " " : "", type);
(void)enter_nm(ctx, Namech);
/* Fill TCP state */
if (file->so_type == SOCK_STREAM) {
Lf->lts.type = 0;
Lf->lts.state.i = file->t_state;
}
/* Fill dev with so_pcb if available */
if (file->so_pcb && file->so_pcb != (uint64_t)(-1)) {
(void)snpf(buf, sizeof(buf), "0x%" PRIx64, file->so_pcb);
enter_dev_ch(ctx, buf);
}
} else if (file->so_family == AF_ROUTE) {
/* Fill dev with f_data if available */
if (file->f_data) {
(void)snpf(buf, sizeof(buf), "0x%" PRIx64, file->f_data);
enter_dev_ch(ctx, buf);
}
}
/* Finish */
if (Lf->sf)
link_lfile(ctx);
}
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