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88b1f4328d
/usr/local/bin/ld: pty.o:(.bss+0x0): multiple definition of `rand_source'; l2tpd.o:(.bss+0x530): first defined here /usr/local/bin/ld: misc.o:(.bss+0x0): multiple definition of `rand_source'; l2tpd.o:(.bss+0x530): first defined here /usr/local/bin/ld: control.o:(.bss+0x0): multiple definition of `rand_source'; l2tpd.o:(.bss+0x530): first defined here /usr/local/bin/ld: avp.o:(.bss+0x0): multiple definition of `rand_source'; l2tpd.o:(.bss+0x530): first defined here /usr/local/bin/ld: call.o:(.bss+0x0): multiple definition of `rand_source'; l2tpd.o:(.bss+0x530): first defined here /usr/local/bin/ld: network.o:(.bss+0x140): multiple definition of `rand_source'; l2tpd.o:(.bss+0x530): first defined here /usr/local/bin/ld: avpsend.o:(.bss+0x0): multiple definition of `rand_source'; l2tpd.o:(.bss+0x530): first defined here /usr/local/bin/ld: scheduler.o:(.bss+0x8): multiple definition of `rand_source'; l2tpd.o:(.bss+0x530): first defined here /usr/local/bin/ld: file.o:(.bss+0x228): multiple definition of `rand_source'; l2tpd.o:(.bss+0x530): first defined here /usr/local/bin/ld: aaa.o:(.bss+0x0): multiple definition of `rand_source'; l2tpd.o:(.bss+0x530): first defined here /usr/local/bin/ld: control.o: in function `handle_special': control.c:(.text+0x220e): undefined reference to `check_control' /usr/local/bin/ld: control.o: in function `handle_packet': control.c:(.text+0x22d0): undefined reference to `check_payload' /usr/local/bin/ld: control.c:(.text+0x22e6): undefined reference to `expand_payload' /usr/local/bin/ld: control.c:(.text+0x231a): undefined reference to `check_control' /usr/local/bin/ld: control.c:(.text+0x2414): undefined reference to `write_packet' http://package18.nyi.freebsd.org/data/121amd64-default-PR244494/2020-06-10_18h04m44s/logs/errors/l2tpd-0.69_10.log PR: 246700
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
--- control.c.orig 2002-04-10 20:09:33 UTC
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+++ control.c
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@@ -16,8 +16,6 @@
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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-#include <netinet/in.h>
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-#include <arpa/inet.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "l2tp.h"
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@@ -1076,7 +1074,7 @@ int control_finish (struct tunnel *t, struct call *c)
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return 0;
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}
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-inline int check_control (const struct buffer *buf, struct tunnel *t,
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+static inline int check_control (const struct buffer *buf, struct tunnel *t,
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struct call *c)
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{
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/*
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@@ -1212,7 +1210,7 @@ inline int check_control (const struct buffer *buf, st
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return 0;
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}
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-inline int check_payload (struct buffer *buf, struct tunnel *t,
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+static inline int check_payload (struct buffer *buf, struct tunnel *t,
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struct call *c)
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{
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/*
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@@ -1318,7 +1316,7 @@ inline int check_payload (struct buffer *buf, struct t
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#endif
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return 0;
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}
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-inline int expand_payload (struct buffer *buf, struct tunnel *t,
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+static inline int expand_payload (struct buffer *buf, struct tunnel *t,
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struct call *c)
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{
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/*
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@@ -1498,7 +1496,7 @@ void send_zlb (void *data)
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toss (buf);
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}
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-inline int write_packet (struct buffer *buf, struct tunnel *t, struct call *c,
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+static inline int write_packet (struct buffer *buf, struct tunnel *t, struct call *c,
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int convert)
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{
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/*
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@@ -1582,6 +1580,12 @@ inline int write_packet (struct buffer *buf, struct tu
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wbuf[pos++] = e;
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for (x = 0; x < buf->len; x++)
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{
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+ // we must at least still have 3 bytes left in the worst case scenario:
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+ // 1 for a possible escape, 1 for the value and 1 to end the PPP stream.
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+ if(pos >= (sizeof(wbuf) - 4)) {
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+ return -EINVAL;
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+ }
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+
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e = *((char *) buf->start + x);
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if ((e < 0x20) || (e == PPP_ESCAPE) || (e == PPP_FLAG))
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{
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@@ -1657,7 +1661,7 @@ void handle_special (struct buffer *buf, struct call *
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}
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}
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-inline int handle_packet (struct buffer *buf, struct tunnel *t,
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+int handle_packet (struct buffer *buf, struct tunnel *t,
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struct call *c)
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{
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int res;
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