1 |
--- ./pppd/main.c.orig 2004-07-19 12:35:22.000000000 +0000 |
2 |
+++ ./pppd/main.c 2004-07-19 14:34:38.542120946 +0000 |
3 |
@@ -98,7 +98,7 @@ |
4 |
static const char rcsid[] = RCSID; |
5 |
|
6 |
/* interface vars */ |
7 |
-char ifname[32]; /* Interface name */ |
8 |
+char ifname[MAXIFNAMELEN]; /* Interface name */ |
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int ifunit; /* Interface unit number */ |
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|
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struct channel *the_channel; |
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@@ -261,13 +261,6 @@ |
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NULL |
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}; |
15 |
|
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-/* |
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- * If PPP_DRV_NAME is not defined, use the default "ppp" as the device name. |
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- */ |
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-#if !defined(PPP_DRV_NAME) |
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-#define PPP_DRV_NAME "ppp" |
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-#endif /* !defined(PPP_DRV_NAME) */ |
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- |
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int |
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main(argc, argv) |
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int argc; |
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@@ -777,8 +770,11 @@ |
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set_ifunit(iskey) |
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int iskey; |
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{ |
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- info("Using interface %s%d", PPP_DRV_NAME, ifunit); |
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+ if (req_ifname[0] != '\0') |
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+ slprintf(ifname, sizeof(ifname), req_ifname); |
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+ else |
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slprintf(ifname, sizeof(ifname), "%s%d", PPP_DRV_NAME, ifunit); |
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+ info("Using interface %s", ifname); |
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script_setenv("IFNAME", ifname, iskey); |
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if (iskey) { |
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create_pidfile(getpid()); /* write pid to file */ |
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--- ./pppd/options.c.orig 2004-07-19 12:59:21.000000000 +0000 |
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+++ ./pppd/options.c 2004-07-19 14:35:04.253865964 +0000 |
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@@ -102,6 +102,7 @@ |
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bool tune_kernel; /* may alter kernel settings */ |
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int connect_delay = 1000; /* wait this many ms after connect script */ |
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int req_unit = -1; /* requested interface unit */ |
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+char req_ifname[MAXIFNAMELEN]; /* requested interface name */ |
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bool multilink = 0; /* Enable multilink operation */ |
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char *bundle_name = NULL; /* bundle name for multilink */ |
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bool dump_options; /* print out option values */ |
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@@ -259,6 +260,10 @@ |
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"PPP interface unit number to use if possible", |
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OPT_PRIO | OPT_LLIMIT, 0, 0 }, |
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|
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+ { "ifname", o_string, req_ifname, |
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+ "Set PPP interface name", |
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+ OPT_PRIO | OPT_PRIV | OPT_STATIC, NULL, MAXIFNAMELEN }, |
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+ |
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{ "dump", o_bool, &dump_options, |
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"Print out option values after parsing all options", 1 }, |
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{ "dryrun", o_bool, &dryrun, |
60 |
--- ./pppd/pppd.8.orig 2004-07-19 14:39:06.639320497 +0000 |
61 |
+++ ./pppd/pppd.8 2004-07-19 15:00:37.339448432 +0000 |
62 |
@@ -1020,7 +1020,12 @@ |
63 |
.TP |
64 |
.B unit \fInum |
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Sets the ppp unit number (for a ppp0 or ppp1 etc interface name) for outbound |
66 |
-connections. |
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+connections. If the unit is already in use a dynamically allocated will be |
68 |
+used. |
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+.TP |
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+.B ifname \fIstring |
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+Set the ppp interface name for outbound connections. A failure to set the |
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+name will terminate the pppd. |
73 |
.TP |
74 |
.B updetach |
75 |
With this option, pppd will detach from its controlling terminal once |
76 |
--- ./pppd/pppd.h.orig 2004-07-19 12:59:16.000000000 +0000 |
77 |
+++ ./pppd/pppd.h 2004-07-19 15:02:08.792752747 +0000 |
78 |
@@ -80,6 +80,16 @@ |
79 |
#define MAXARGS 1 /* max # args to a command */ |
80 |
#define MAXNAMELEN 256 /* max length of hostname or name for auth */ |
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#define MAXSECRETLEN 256 /* max length of password or secret */ |
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+#define MAXIFNAMELEN 32 /* max length of interface name; or use IFNAMSIZ, can we |
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+ always include net/if.h? */ |
84 |
+ |
85 |
+/* |
86 |
+ * If PPP_DRV_NAME is not defined, use the default "ppp" as the device name. |
87 |
+ * Where should PPP_DRV_NAME come from? Do we include it here? |
88 |
+ */ |
89 |
+#if !defined(PPP_DRV_NAME) |
90 |
+#define PPP_DRV_NAME "ppp" |
91 |
+#endif /* !defined(PPP_DRV_NAME) */ |
92 |
|
93 |
/* |
94 |
* Option descriptor structure. |
95 |
@@ -304,6 +314,7 @@ |
96 |
extern int connect_delay; /* Time to delay after connect script */ |
97 |
extern int max_data_rate; /* max bytes/sec through charshunt */ |
98 |
extern int req_unit; /* interface unit number to use */ |
99 |
+extern char req_ifname[MAXIFNAMELEN]; /* interface name to use */ |
100 |
extern bool multilink; /* enable multilink operation */ |
101 |
extern bool noendpoint; /* don't send or accept endpt. discrim. */ |
102 |
extern char *bundle_name; /* bundle name for multilink */ |
103 |
--- ./pppd/sys-linux.c.orig 2004-07-19 12:33:29.000000000 +0000 |
104 |
+++ ./pppd/sys-linux.c 2004-07-19 14:37:36.463754450 +0000 |
105 |
@@ -649,6 +649,21 @@ |
106 |
} |
107 |
if (x < 0) |
108 |
error("Couldn't create new ppp unit: %m"); |
109 |
+ |
110 |
+ if (x == 0 && req_ifname[0] != '\0') { |
111 |
+ struct ifreq ifr; |
112 |
+ char t[MAXIFNAMELEN]; |
113 |
+ memset(&ifr, 0, sizeof(struct ifreq)); |
114 |
+ slprintf(t, sizeof(t), "%s%d", PPP_DRV_NAME, ifunit); |
115 |
+ strncpy(ifr.ifr_name, t, IF_NAMESIZE); |
116 |
+ strncpy(ifr.ifr_newname, req_ifname, IF_NAMESIZE); |
117 |
+ x = ioctl(sock_fd, SIOCSIFNAME, &ifr); |
118 |
+ if (x < 0) |
119 |
+ error("Couldn't rename interface %s to %s: %m", t, req_ifname); |
120 |
+ else |
121 |
+ info("Renamed interface %s to %s", t, req_ifname); |
122 |
+ } |
123 |
+ |
124 |
return x; |
125 |
} |
126 |
|