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slords |
1.1 |
--- ./pppd/main.c.orig 2004-07-19 12:35:22.000000000 +0000 |
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+++ ./pppd/main.c 2004-07-19 14:34:38.542120946 +0000 |
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@@ -98,7 +98,7 @@ |
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static const char rcsid[] = RCSID; |
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/* interface vars */ |
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-char ifname[32]; /* Interface name */ |
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+char ifname[MAXIFNAMELEN]; /* Interface name */ |
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int ifunit; /* Interface unit number */ |
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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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}; |
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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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+ { "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, |
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--- ./pppd/pppd.8.orig 2004-07-19 14:39:06.639320497 +0000 |
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+++ ./pppd/pppd.8 2004-07-19 15:00:37.339448432 +0000 |
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@@ -1020,7 +1020,12 @@ |
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.TP |
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.B unit \fInum |
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Sets the ppp unit number (for a ppp0 or ppp1 etc interface name) for outbound |
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-connections. |
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+connections. If the unit is already in use a dynamically allocated will be |
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+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. |
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.TP |
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.B updetach |
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With this option, pppd will detach from its controlling terminal once |
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--- ./pppd/pppd.h.orig 2004-07-19 12:59:16.000000000 +0000 |
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+++ ./pppd/pppd.h 2004-07-19 15:02:08.792752747 +0000 |
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@@ -80,6 +80,16 @@ |
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#define MAXARGS 1 /* max # args to a command */ |
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#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? */ |
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+ |
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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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+ * Where should PPP_DRV_NAME come from? Do we include it here? |
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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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* Option descriptor structure. |
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@@ -304,6 +314,7 @@ |
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extern int connect_delay; /* Time to delay after connect script */ |
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extern int max_data_rate; /* max bytes/sec through charshunt */ |
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extern int req_unit; /* interface unit number to use */ |
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+extern char req_ifname[MAXIFNAMELEN]; /* interface name to use */ |
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extern bool multilink; /* enable multilink operation */ |
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extern bool noendpoint; /* don't send or accept endpt. discrim. */ |
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extern char *bundle_name; /* bundle name for multilink */ |
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--- ./pppd/sys-linux.c.orig 2004-07-19 12:33:29.000000000 +0000 |
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+++ ./pppd/sys-linux.c 2004-07-19 14:37:36.463754450 +0000 |
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@@ -649,6 +649,21 @@ |
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} |
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if (x < 0) |
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error("Couldn't create new ppp unit: %m"); |
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+ |
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+ if (x == 0 && req_ifname[0] != '\0') { |
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+ struct ifreq ifr; |
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+ char t[MAXIFNAMELEN]; |
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+ memset(&ifr, 0, sizeof(struct ifreq)); |
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+ slprintf(t, sizeof(t), "%s%d", PPP_DRV_NAME, ifunit); |
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+ strncpy(ifr.ifr_name, t, IF_NAMESIZE); |
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+ strncpy(ifr.ifr_newname, req_ifname, IF_NAMESIZE); |
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+ x = ioctl(sock_fd, SIOCSIFNAME, &ifr); |
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+ if (x < 0) |
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+ error("Couldn't rename interface %s to %s: %m", t, req_ifname); |
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+ else |
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+ info("Renamed interface %s to %s", t, req_ifname); |
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+ } |
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+ |
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return x; |
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} |
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