Mercurial > hg > nginx-quic
annotate src/core/ngx_proxy_protocol.c @ 6817:e75e854657ba
SSL: $ssl_curves (ticket #1088).
The variable contains a list of curves as supported by the client.
Known curves are listed by their names, unknown ones are shown
in hex, e.g., "0x001d:prime256v1:secp521r1:secp384r1".
Note that OpenSSL uses session data for SSL_get1_curves(), and
it doesn't store full list of curves supported by the client when
serializing a session. As a result $ssl_curves is only available
for new sessions (and will be empty for reused ones).
The variable is only meaningful when using OpenSSL 1.0.2 and above.
With older versions the variable is empty.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 05 Dec 2016 22:23:23 +0300 |
parents | b3b7e33083ac |
children | 416953ef0428 |
rev | line source |
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Added server-side support for PROXY protocol v1 (ticket #355).
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parents:
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1 |
3a72b1805c52
Added server-side support for PROXY protocol v1 (ticket #355).
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2 /* |
3a72b1805c52
Added server-side support for PROXY protocol v1 (ticket #355).
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3 * Copyright (C) Roman Arutyunyan |
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4 * Copyright (C) Nginx, Inc. |
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5 */ |
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Added server-side support for PROXY protocol v1 (ticket #355).
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6 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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7 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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Added server-side support for PROXY protocol v1 (ticket #355).
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10 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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11 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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12 u_char * |
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Core: renamed ngx_proxy_protocol_parse to ngx_proxy_protocol_read.
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13 ngx_proxy_protocol_read(ngx_connection_t *c, u_char *buf, u_char *last) |
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Added server-side support for PROXY protocol v1 (ticket #355).
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14 { |
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15 size_t len; |
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16 u_char ch, *p, *addr, *port; |
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17 ngx_int_t n; |
5605
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Added server-side support for PROXY protocol v1 (ticket #355).
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18 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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19 p = buf; |
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20 len = last - buf; |
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21 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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22 if (len < 8 || ngx_strncmp(p, "PROXY ", 6) != 0) { |
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23 goto invalid; |
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24 } |
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Added server-side support for PROXY protocol v1 (ticket #355).
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25 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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26 p += 6; |
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27 len -= 6; |
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28 |
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29 if (len >= 7 && ngx_strncmp(p, "UNKNOWN", 7) == 0) { |
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30 ngx_log_debug0(NGX_LOG_DEBUG_CORE, c->log, 0, |
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31 "PROXY protocol unknown protocol"); |
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32 p += 7; |
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33 goto skip; |
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Added server-side support for PROXY protocol v1 (ticket #355).
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34 } |
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35 |
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36 if (len < 5 || ngx_strncmp(p, "TCP", 3) != 0 |
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37 || (p[3] != '4' && p[3] != '6') || p[4] != ' ') |
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38 { |
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Added server-side support for PROXY protocol v1 (ticket #355).
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39 goto invalid; |
3a72b1805c52
Added server-side support for PROXY protocol v1 (ticket #355).
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40 } |
3a72b1805c52
Added server-side support for PROXY protocol v1 (ticket #355).
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41 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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42 p += 5; |
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43 addr = p; |
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44 |
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45 for ( ;; ) { |
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46 if (p == last) { |
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47 goto invalid; |
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48 } |
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49 |
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50 ch = *p++; |
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51 |
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52 if (ch == ' ') { |
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53 break; |
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54 } |
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55 |
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56 if (ch != ':' && ch != '.' |
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57 && (ch < 'a' || ch > 'f') |
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58 && (ch < 'A' || ch > 'F') |
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59 && (ch < '0' || ch > '9')) |
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60 { |
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61 goto invalid; |
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62 } |
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63 } |
3a72b1805c52
Added server-side support for PROXY protocol v1 (ticket #355).
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64 |
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65 len = p - addr - 1; |
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66 c->proxy_protocol_addr.data = ngx_pnalloc(c->pool, len); |
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Added server-side support for PROXY protocol v1 (ticket #355).
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67 |
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68 if (c->proxy_protocol_addr.data == NULL) { |
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69 return NULL; |
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70 } |
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71 |
3a72b1805c52
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72 ngx_memcpy(c->proxy_protocol_addr.data, addr, len); |
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73 c->proxy_protocol_addr.len = len; |
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74 |
6561
28c76d9d75b7
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75 for ( ;; ) { |
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76 if (p == last) { |
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77 goto invalid; |
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78 } |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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79 |
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80 if (*p++ == ' ') { |
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81 break; |
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82 } |
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83 } |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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84 |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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85 port = p; |
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86 |
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Added the $proxy_protocol_port variable.
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87 for ( ;; ) { |
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88 if (p == last) { |
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89 goto invalid; |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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90 } |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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91 |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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92 if (*p++ == ' ') { |
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Added the $proxy_protocol_port variable.
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93 break; |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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94 } |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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95 } |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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96 |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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97 len = p - port - 1; |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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98 |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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99 n = ngx_atoi(port, len); |
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Added the $proxy_protocol_port variable.
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100 |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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101 if (n < 0 || n > 65535) { |
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Added the $proxy_protocol_port variable.
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102 goto invalid; |
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Added the $proxy_protocol_port variable.
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parents:
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103 } |
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Added the $proxy_protocol_port variable.
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parents:
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104 |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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105 c->proxy_protocol_port = (in_port_t) n; |
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Added the $proxy_protocol_port variable.
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106 |
28c76d9d75b7
Added the $proxy_protocol_port variable.
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107 ngx_log_debug2(NGX_LOG_DEBUG_CORE, c->log, 0, |
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Added the $proxy_protocol_port variable.
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108 "PROXY protocol address: %V %i", &c->proxy_protocol_addr, n); |
5605
3a72b1805c52
Added server-side support for PROXY protocol v1 (ticket #355).
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109 |
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110 skip: |
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parents:
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111 |
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112 for ( /* void */ ; p < last - 1; p++) { |
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113 if (p[0] == CR && p[1] == LF) { |
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Added server-side support for PROXY protocol v1 (ticket #355).
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114 return p + 2; |
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115 } |
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116 } |
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117 |
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118 invalid: |
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119 |
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120 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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121 "broken header: \"%*s\"", (size_t) (last - buf), buf); |
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122 |
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123 return NULL; |
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124 } |
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125 |
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126 |
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127 u_char * |
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128 ngx_proxy_protocol_write(ngx_connection_t *c, u_char *buf, u_char *last) |
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129 { |
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130 ngx_uint_t port, lport; |
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131 |
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132 if (last - buf < NGX_PROXY_PROTOCOL_MAX_HEADER) { |
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133 return NULL; |
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134 } |
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135 |
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136 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) { |
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137 return NULL; |
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138 } |
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139 |
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140 switch (c->sockaddr->sa_family) { |
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141 |
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142 case AF_INET: |
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143 buf = ngx_cpymem(buf, "PROXY TCP4 ", sizeof("PROXY TCP4 ") - 1); |
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144 break; |
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145 |
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146 #if (NGX_HAVE_INET6) |
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147 case AF_INET6: |
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148 buf = ngx_cpymem(buf, "PROXY TCP6 ", sizeof("PROXY TCP6 ") - 1); |
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149 break; |
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150 #endif |
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151 |
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152 default: |
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153 return ngx_cpymem(buf, "PROXY UNKNOWN" CRLF, |
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154 sizeof("PROXY UNKNOWN" CRLF) - 1); |
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155 } |
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156 |
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157 buf += ngx_sock_ntop(c->sockaddr, c->socklen, buf, last - buf, 0); |
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158 |
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159 *buf++ = ' '; |
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160 |
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161 buf += ngx_sock_ntop(c->local_sockaddr, c->local_socklen, buf, last - buf, |
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162 0); |
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163 |
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164 port = ngx_inet_get_port(c->sockaddr); |
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165 lport = ngx_inet_get_port(c->local_sockaddr); |
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166 |
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167 return ngx_slprintf(buf, last, " %ui %ui" CRLF, port, lport); |
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168 } |