Mercurial > hg > nginx-quic
annotate src/core/ngx_array.c @ 8717:e06283038ec8 quic
QUIC: clear SSL_OP_ENABLE_MIDDLEBOX_COMPAT on SSL context switch.
The SSL_OP_ENABLE_MIDDLEBOX_COMPAT option is provided by QuicTLS and enabled
by default in the newly created SSL contexts. SSL_set_quic_method() is used
to clear it, which is required for SSL handshake to work on QUIC connections.
Switching context in the ngx_http_ssl_servername() SNI callback overrides SSL
options from the new SSL context. This results in the option set again.
Fix is to explicitly clear it when switching to another SSL context.
Initially reported here (in Russian):
http://mailman.nginx.org/pipermail/nginx-ru/2021-November/063989.html
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Tue, 07 Dec 2021 15:49:51 +0300 |
parents | 4fef8ed52389 |
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rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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11 |
605 | 12 ngx_array_t * |
13 ngx_array_create(ngx_pool_t *p, ngx_uint_t n, size_t size) | |
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14 { |
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15 ngx_array_t *a; |
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16 |
501 | 17 a = ngx_palloc(p, sizeof(ngx_array_t)); |
18 if (a == NULL) { | |
485 | 19 return NULL; |
20 } | |
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21 |
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22 if (ngx_array_init(a, p, n, size) != NGX_OK) { |
485 | 23 return NULL; |
24 } | |
25 | |
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26 return a; |
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27 } |
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29 |
605 | 30 void |
31 ngx_array_destroy(ngx_array_t *a) | |
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32 { |
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33 ngx_pool_t *p; |
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34 |
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35 p = a->pool; |
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36 |
2049 | 37 if ((u_char *) a->elts + a->size * a->nalloc == p->d.last) { |
38 p->d.last -= a->size * a->nalloc; | |
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39 } |
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40 |
2049 | 41 if ((u_char *) a + sizeof(ngx_array_t) == p->d.last) { |
42 p->d.last = (u_char *) a; | |
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43 } |
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44 } |
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45 |
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46 |
605 | 47 void * |
48 ngx_array_push(ngx_array_t *a) | |
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49 { |
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50 void *elt, *new; |
485 | 51 size_t size; |
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52 ngx_pool_t *p; |
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53 |
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54 if (a->nelts == a->nalloc) { |
485 | 55 |
56 /* the array is full */ | |
57 | |
58 size = a->size * a->nalloc; | |
59 | |
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60 p = a->pool; |
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61 |
2049 | 62 if ((u_char *) a->elts + size == p->d.last |
63 && p->d.last + a->size <= p->d.end) | |
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64 { |
485 | 65 /* |
66 * the array allocation is the last in the pool | |
67 * and there is space for new allocation | |
68 */ | |
69 | |
2049 | 70 p->d.last += a->size; |
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71 a->nalloc++; |
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72 |
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73 } else { |
485 | 74 /* allocate a new array */ |
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75 |
501 | 76 new = ngx_palloc(p, 2 * size); |
77 if (new == NULL) { | |
485 | 78 return NULL; |
79 } | |
80 | |
81 ngx_memcpy(new, a->elts, size); | |
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82 a->elts = new; |
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83 a->nalloc *= 2; |
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84 } |
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85 } |
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86 |
485 | 87 elt = (u_char *) a->elts + a->size * a->nelts; |
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88 a->nelts++; |
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89 |
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90 return elt; |
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91 } |
485 | 92 |
93 | |
605 | 94 void * |
95 ngx_array_push_n(ngx_array_t *a, ngx_uint_t n) | |
485 | 96 { |
97 void *elt, *new; | |
98 size_t size; | |
99 ngx_uint_t nalloc; | |
100 ngx_pool_t *p; | |
101 | |
102 size = n * a->size; | |
103 | |
104 if (a->nelts + n > a->nalloc) { | |
105 | |
106 /* the array is full */ | |
107 | |
108 p = a->pool; | |
109 | |
2049 | 110 if ((u_char *) a->elts + a->size * a->nalloc == p->d.last |
111 && p->d.last + size <= p->d.end) | |
485 | 112 { |
113 /* | |
114 * the array allocation is the last in the pool | |
115 * and there is space for new allocation | |
116 */ | |
117 | |
2049 | 118 p->d.last += size; |
485 | 119 a->nalloc += n; |
120 | |
121 } else { | |
122 /* allocate a new array */ | |
123 | |
124 nalloc = 2 * ((n >= a->nalloc) ? n : a->nalloc); | |
125 | |
501 | 126 new = ngx_palloc(p, nalloc * a->size); |
127 if (new == NULL) { | |
485 | 128 return NULL; |
129 } | |
130 | |
131 ngx_memcpy(new, a->elts, a->nelts * a->size); | |
132 a->elts = new; | |
133 a->nalloc = nalloc; | |
134 } | |
135 } | |
136 | |
137 elt = (u_char *) a->elts + a->size * a->nelts; | |
138 a->nelts += n; | |
139 | |
140 return elt; | |
141 } |