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annotate src/event/ngx_event_udp.h @ 8077:ec1fa010c3a5

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SSL: explicit session id length checking. Session ids are not expected to be longer than 32 bytes, but this is theoretically possible with TLSv1.3, where session ids are essentially arbitrary and sent as session tickets. Since on 64-bit platforms we use fixed 32-byte buffer for session ids, added an explicit length check to make sure the buffer is large enough.
author Maxim Dounin <mdounin@mdounin.ru>
date Wed, 12 Oct 2022 20:14:39 +0300
parents 0f6cc8f73744
children ce6d9cf0f567
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1
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2 /*
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3 * Copyright (C) Nginx, Inc.
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4 */
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7 #ifndef _NGX_EVENT_UDP_H_INCLUDED_
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8 #define _NGX_EVENT_UDP_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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15 #if !(NGX_WIN32)
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17 #if ((NGX_HAVE_MSGHDR_MSG_CONTROL) \
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18 && (NGX_HAVE_IP_SENDSRCADDR || NGX_HAVE_IP_RECVDSTADDR \
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19 || NGX_HAVE_IP_PKTINFO \
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20 || (NGX_HAVE_INET6 && NGX_HAVE_IPV6_RECVPKTINFO)))
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21 #define NGX_HAVE_ADDRINFO_CMSG 1
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23 #endif
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26 #if (NGX_HAVE_ADDRINFO_CMSG)
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27
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28 typedef union {
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29 #if (NGX_HAVE_IP_SENDSRCADDR || NGX_HAVE_IP_RECVDSTADDR)
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30 struct in_addr addr;
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31 #endif
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33 #if (NGX_HAVE_IP_PKTINFO)
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34 struct in_pktinfo pkt;
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35 #endif
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37 #if (NGX_HAVE_INET6 && NGX_HAVE_IPV6_RECVPKTINFO)
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38 struct in6_pktinfo pkt6;
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39 #endif
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40 } ngx_addrinfo_t;
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42 size_t ngx_set_srcaddr_cmsg(struct cmsghdr *cmsg,
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43 struct sockaddr *local_sockaddr);
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44 ngx_int_t ngx_get_srcaddr_cmsg(struct cmsghdr *cmsg,
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45 struct sockaddr *local_sockaddr);
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47 #endif
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49 void ngx_event_recvmsg(ngx_event_t *ev);
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50 ssize_t ngx_sendmsg(ngx_connection_t *c, struct msghdr *msg, int flags);
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51 void ngx_udp_rbtree_insert_value(ngx_rbtree_node_t *temp,
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52 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
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53 #endif
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54
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55 void ngx_delete_udp_connection(void *data);
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58 #endif /* _NGX_EVENT_UDP_H_INCLUDED_ */