svn commit: r218397 - head/usr.sbin/ppp
Brian Somers
brian at FreeBSD.org
Mon Feb 7 11:18:19 UTC 2011
Author: brian
Date: Mon Feb 7 11:18:18 2011
New Revision: 218397
URL: http://svn.freebsd.org/changeset/base/218397
Log:
Add "iface name" and "iface description" commands.
PR: 151400
Submitted by: Aragon Gouveia - aragon at phat dot za dot net with minor fixes
MFC after: 3 weeks
Modified:
head/usr.sbin/ppp/bundle.c
head/usr.sbin/ppp/command.c
head/usr.sbin/ppp/iface.c
head/usr.sbin/ppp/iface.h
head/usr.sbin/ppp/log.c
head/usr.sbin/ppp/log.h
head/usr.sbin/ppp/main.c
head/usr.sbin/ppp/ppp.8.m4
Modified: head/usr.sbin/ppp/bundle.c
==============================================================================
--- head/usr.sbin/ppp/bundle.c Mon Feb 7 11:13:28 2011 (r218396)
+++ head/usr.sbin/ppp/bundle.c Mon Feb 7 11:18:18 2011 (r218397)
@@ -758,7 +758,7 @@ bundle_Create(const char *prefix, int ty
return NULL;
}
- log_SetTun(bundle.unit);
+ log_SetTun(bundle.unit, NULL);
ifname = strrchr(bundle.dev.Name, '/');
if (ifname == NULL)
@@ -849,7 +849,7 @@ bundle_Create(const char *prefix, int ty
bundle.links = datalink_Create("deflink", &bundle, type);
if (bundle.links == NULL) {
log_Printf(LogALERT, "Cannot create data link: %s\n", strerror(errno));
- iface_Destroy(bundle.iface);
+ iface_Free(bundle.iface);
bundle.iface = NULL;
close(bundle.dev.fd);
return NULL;
Modified: head/usr.sbin/ppp/command.c
==============================================================================
--- head/usr.sbin/ppp/command.c Mon Feb 7 11:13:28 2011 (r218396)
+++ head/usr.sbin/ppp/command.c Mon Feb 7 11:18:18 2011 (r218397)
@@ -184,6 +184,7 @@ static int DeleteCommand(struct cmdargs
static int NegotiateCommand(struct cmdargs const *);
static int ClearCommand(struct cmdargs const *);
static int RunListCommand(struct cmdargs const *);
+static int IfaceNameCommand(struct cmdargs const *arg);
static int IfaceAddCommand(struct cmdargs const *);
static int IfaceDeleteCommand(struct cmdargs const *);
static int IfaceClearCommand(struct cmdargs const *);
@@ -823,6 +824,10 @@ static struct cmdtab const IfaceCommands
"Delete iface address", "iface delete addr", (void *)1},
{NULL, "delete!", IfaceDeleteCommand, LOCAL_AUTH,
"Delete iface address", "iface delete addr", (void *)1},
+ {"name", NULL, IfaceNameCommand, LOCAL_AUTH,
+ "Set iface name", "iface name name", NULL},
+ {"description", NULL, iface_Descr, LOCAL_AUTH,
+ "Set iface description", "iface description text", NULL},
{"show", NULL, iface_Show, LOCAL_AUTH,
"Show iface address(es)", "iface show", NULL},
{"help", "?", HelpCommand, LOCAL_AUTH | LOCAL_NO_AUTH,
@@ -3176,6 +3181,21 @@ RunListCommand(struct cmdargs const *arg
}
static int
+IfaceNameCommand(struct cmdargs const *arg)
+{
+ int n = arg->argn;
+
+ if (arg->argc != n + 1)
+ return -1;
+
+ if (!iface_Name(arg->bundle->iface, arg->argv[n]))
+ return 1;
+
+ log_SetTun(arg->bundle->unit, arg->bundle->iface->name);
+ return 0;
+}
+
+static int
IfaceAddCommand(struct cmdargs const *arg)
{
struct ncpaddr peer, addr;
Modified: head/usr.sbin/ppp/iface.c
==============================================================================
--- head/usr.sbin/ppp/iface.c Mon Feb 7 11:13:28 2011 (r218396)
+++ head/usr.sbin/ppp/iface.c Mon Feb 7 11:18:18 2011 (r218397)
@@ -151,6 +151,7 @@ iface_Create(const char *name)
return NULL;
}
iface->name = strdup(name);
+ iface->descr = NULL;
iface->index = ifm->ifm_index;
iface->flags = ifm->ifm_flags;
iface->mtu = 0;
@@ -369,6 +370,103 @@ iface_addr_Add(const char *name, struct
return res != -1;
}
+int
+iface_Name(struct iface *iface, const char *name)
+{
+ struct ifreq ifr;
+ int s;
+ char *newname;
+
+ if ((newname = strdup(name)) == NULL) {
+ log_Printf(LogWARN, "iface name: strdup failed: %s\n", strerror(errno));
+ return 0;
+ }
+
+ if ((s = ID0socket(PF_INET, SOCK_DGRAM, 0)) == -1) {
+ log_Printf(LogERROR, "iface name: socket(): %s\n", strerror(errno));
+ free(newname);
+ return 0;
+ }
+
+ strlcpy(ifr.ifr_name, iface->name, sizeof(ifr.ifr_name));
+ ifr.ifr_data = newname;
+ if (ID0ioctl(s, SIOCSIFNAME, (caddr_t)&ifr) < 0) {
+ log_Printf(LogWARN, "iface name: ioctl(SIOCSIFNAME, %s -> %s): %s\n",
+ name, newname, strerror(errno));
+ free(newname);
+ return 0;
+ }
+
+ free(iface->name);
+ iface->name = newname;
+
+ return 1;
+}
+
+int
+iface_Descr(struct cmdargs const *arg)
+{
+ struct ifreq ifr;
+ struct iface *iface;
+ size_t sz, len;
+ int s, n, ifdescr_maxlen;
+ char *descr;
+
+ sz = sizeof(int);
+ if (sysctlbyname("net.ifdescr_maxlen", &ifdescr_maxlen, &sz, NULL, 0) < 0) {
+ log_Printf(LogERROR, "iface descr: sysctl failed: %s\n", strerror(errno));
+ return 1;
+ }
+
+ if (ifdescr_maxlen < 1) {
+ log_Printf(LogERROR, "iface descr: sysctl net.ifdescr_maxlen < 1\n");
+ return 1;
+ }
+
+ sz = sizeof(char) * ifdescr_maxlen;
+ if ((descr = malloc(sz)) == NULL) {
+ log_Printf(LogERROR, "iface descr: malloc failed: %s\n", strerror(errno));
+ return 1;
+ }
+
+ *descr = '\0';
+ n = arg->argn;
+ while (n < arg->argc) {
+ if (n > arg->argn && (len = strlcat(descr, " ", sz)) >= sz)
+ break;
+ if ((len = strlcat(descr, arg->argv[n], sz)) >= sz)
+ break;
+ ++n;
+ }
+ if (len >= sz) {
+ log_Printf(LogERROR, "iface descr: description exceeds maximum (%d)\n",
+ ifdescr_maxlen-1);
+ free(descr);
+ return 1;
+ }
+
+ if ((s = ID0socket(PF_INET, SOCK_DGRAM, 0)) == -1) {
+ log_Printf(LogERROR, "iface descr: socket(): %s\n", strerror(errno));
+ free(descr);
+ return 1;
+ }
+
+ iface = arg->bundle->iface;
+ strlcpy(ifr.ifr_name, iface->name, sizeof(ifr.ifr_name));
+ ifr.ifr_buffer.length = strlen(descr) + 1;
+ ifr.ifr_buffer.buffer = descr;
+ if (ID0ioctl(s, SIOCSIFDESCR, (caddr_t)&ifr) < 0) {
+ log_Printf(LogWARN, "iface descr: ioctl(SIOCSIFDESCR, %s): %s\n",
+ descr, strerror(errno));
+ free(descr);
+ return 1;
+ }
+
+ free(iface->descr);
+ iface->descr = descr;
+
+ return 0;
+}
void
iface_Clear(struct iface *iface, struct ncp *ncp, int family, int how)
@@ -608,18 +706,30 @@ iface_ClearFlags(const char *ifname, int
}
void
-iface_Destroy(struct iface *iface)
+iface_Free(struct iface *iface)
{
- /*
- * iface_Clear(iface, IFACE_CLEAR_ALL) must be called manually
- * if that's what the user wants. It's better to leave the interface
- * allocated so that existing connections can continue to work.
- */
-
- if (iface != NULL) {
free(iface->name);
+ free(iface->descr);
free(iface->addr);
free(iface);
+}
+
+void
+iface_Destroy(struct iface *iface)
+{
+ struct ifreq ifr;
+ int s;
+
+ if (iface != NULL) {
+ if ((s = ID0socket(PF_INET, SOCK_DGRAM, 0)) == -1) {
+ log_Printf(LogERROR, "iface_Destroy: socket(): %s\n", strerror(errno));
+ } else {
+ strlcpy(ifr.ifr_name, iface->name, sizeof(ifr.ifr_name));
+ if (ID0ioctl(s, SIOCIFDESTROY, (caddr_t)&ifr) < 0)
+ log_Printf(LogWARN, "iface_Destroy: ioctl(SIOCIFDESTROY, %s): %s\n",
+ iface->name, strerror(errno));
+ }
+ iface_Free(iface);
}
}
@@ -661,7 +771,7 @@ iface_Show(struct cmdargs const *arg)
current = iface_Create(iface->name);
flags = iface->flags = current->flags;
- iface_Destroy(current);
+ iface_Free(current);
prompt_Printf(arg->prompt, "%s (idx %d) <", iface->name, iface->index);
for (f = 0; f < sizeof if_flags / sizeof if_flags[0]; f++)
Modified: head/usr.sbin/ppp/iface.h
==============================================================================
--- head/usr.sbin/ppp/iface.h Mon Feb 7 11:13:28 2011 (r218396)
+++ head/usr.sbin/ppp/iface.h Mon Feb 7 11:18:18 2011 (r218397)
@@ -36,6 +36,7 @@ struct iface_addr {
struct iface {
char *name; /* Interface name (malloc'd) */
+ char *descr; /* Interface description (malloc'd) */
int index; /* Interface index */
int flags; /* Interface flags (IFF_*) */
unsigned long mtu; /* struct tuninfo MTU */
@@ -55,11 +56,14 @@ struct iface {
extern struct iface *iface_Create(const char *name);
extern void iface_Clear(struct iface *, struct ncp *, int, int);
+extern int iface_Name(struct iface *, const char *);
+extern int iface_Descr(struct cmdargs const *);
extern int iface_Add(struct iface *, struct ncp *, const struct ncprange *,
const struct ncpaddr *, int);
extern int iface_Delete(struct iface *, struct ncp *, const struct ncpaddr *);
extern int iface_Show(struct cmdargs const *);
extern int iface_SetFlags(const char *, int);
extern int iface_ClearFlags(const char *, int);
+extern void iface_Free(struct iface *);
extern void iface_Destroy(struct iface *);
extern void iface_ParseHdr(struct ifa_msghdr *, struct sockaddr *[RTAX_MAX]);
Modified: head/usr.sbin/ppp/log.c
==============================================================================
--- head/usr.sbin/ppp/log.c Mon Feb 7 11:13:28 2011 (r218396)
+++ head/usr.sbin/ppp/log.c Mon Feb 7 11:18:18 2011 (r218397)
@@ -75,6 +75,7 @@ static const char *const LogNames[] = {
static u_long LogMask = MSK(LogPHASE);
static u_long LogMaskLocal = MSK(LogERROR) | MSK(LogALERT) | MSK(LogWARN);
static int LogTunno = -1;
+static const char *LogIfaceName;
static struct prompt *promptlist; /* Where to log local stuff */
struct prompt *log_PromptContext;
int log_PromptListChanged;
@@ -296,9 +297,10 @@ log_Open(const char *Name)
}
void
-log_SetTun(int tunno)
+log_SetTun(int tunno, const char *ifaceName)
{
LogTunno = tunno;
+ LogIfaceName = ifaceName;
}
void
@@ -306,6 +308,7 @@ log_Close()
{
closelog();
LogTunno = -1;
+ LogIfaceName = NULL;
}
void
@@ -319,10 +322,14 @@ log_Printf(int lev, const char *fmt,...)
va_start(ap, fmt);
if (promptlist && (log_IsKept(lev) & LOG_KEPT_LOCAL)) {
- if ((log_IsKept(LogTUN) & LOG_KEPT_LOCAL) && LogTunno != -1)
- snprintf(nfmt, sizeof nfmt, "%s%d: %s: %s", TUN_NAME,
+ if ((log_IsKept(LogTUN) & LOG_KEPT_LOCAL) && LogTunno != -1) {
+ if (LogIfaceName)
+ snprintf(nfmt, sizeof nfmt, "%s%d(%s): %s: %s", TUN_NAME,
+ LogTunno, LogIfaceName, log_Name(lev), fmt);
+ else
+ snprintf(nfmt, sizeof nfmt, "%s%d: %s: %s", TUN_NAME,
LogTunno, log_Name(lev), fmt);
- else
+ } else
snprintf(nfmt, sizeof nfmt, "%s: %s", log_Name(lev), fmt);
if (log_PromptContext && lev == LogWARN)
@@ -337,10 +344,14 @@ log_Printf(int lev, const char *fmt,...)
va_start(ap, fmt);
if ((log_IsKept(lev) & LOG_KEPT_SYSLOG) &&
(lev != LogWARN || !log_PromptContext)) {
- if ((log_IsKept(LogTUN) & LOG_KEPT_SYSLOG) && LogTunno != -1)
- snprintf(nfmt, sizeof nfmt, "%s%d: %s: %s", TUN_NAME,
+ if ((log_IsKept(LogTUN) & LOG_KEPT_SYSLOG) && LogTunno != -1) {
+ if (LogIfaceName)
+ snprintf(nfmt, sizeof nfmt, "%s%d(%s): %s: %s", TUN_NAME,
+ LogTunno, LogIfaceName, log_Name(lev), fmt);
+ else
+ snprintf(nfmt, sizeof nfmt, "%s%d: %s: %s", TUN_NAME,
LogTunno, log_Name(lev), fmt);
- else
+ } else
snprintf(nfmt, sizeof nfmt, "%s: %s", log_Name(lev), fmt);
vsyslog(syslogLevel(lev), nfmt, ap);
}
Modified: head/usr.sbin/ppp/log.h
==============================================================================
--- head/usr.sbin/ppp/log.h Mon Feb 7 11:13:28 2011 (r218396)
+++ head/usr.sbin/ppp/log.h Mon Feb 7 11:18:18 2011 (r218397)
@@ -76,7 +76,7 @@ extern void log_DiscardAllLocal(u_long *
extern int log_IsKept(int);
extern int log_IsKeptLocal(int, u_long);
extern void log_Open(const char *);
-extern void log_SetTun(int);
+extern void log_SetTun(int, const char *);
extern void log_Close(void);
#ifdef __GNUC__
extern void log_Printf(int, const char *,...)
Modified: head/usr.sbin/ppp/main.c
==============================================================================
--- head/usr.sbin/ppp/main.c Mon Feb 7 11:13:28 2011 (r218396)
+++ head/usr.sbin/ppp/main.c Mon Feb 7 11:18:18 2011 (r218397)
@@ -386,11 +386,6 @@ main(int argc, char **argv)
/* NOTE: We may now have changed argv[1] via a ``set proctitle'' */
- if (prompt) {
- prompt->bundle = bundle; /* couldn't do it earlier */
- if (!sw.quiet)
- prompt_Printf(prompt, "Using interface: %s\n", bundle->iface->name);
- }
SignalBundle = bundle;
bundle->NatEnabled = sw.nat;
if (sw.nat)
@@ -430,6 +425,12 @@ main(int argc, char **argv)
AbortProgram(EX_START);
}
+ if (prompt) {
+ prompt->bundle = bundle; /* couldn't do it earlier */
+ if (!sw.quiet)
+ prompt_Printf(prompt, "Using interface: %s\n", bundle->iface->name);
+ }
+
if (sw.mode != PHYS_INTERACTIVE) {
if (sw.mode != PHYS_DIRECT) {
if (!sw.fg) {
Modified: head/usr.sbin/ppp/ppp.8.m4
==============================================================================
--- head/usr.sbin/ppp/ppp.8.m4 Mon Feb 7 11:13:28 2011 (r218396)
+++ head/usr.sbin/ppp/ppp.8.m4 Mon Feb 7 11:18:18 2011 (r218397)
@@ -3924,6 +3924,13 @@ If the
.Dq !\&
is used, no error is given if the address is not currently assigned to
the interface (and no deletion takes place).
+.It iface name Ar name
+Renames the interface to
+.Ar name .
+.It iface description Ar description
+Sets the interface description to
+.Ar description .
+Useful if you have many interfaces on your system.
.It iface show
Shows the current state and current addresses for the interface.
It is much the same as running
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