Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_posix_init.c @ 7623:72b792bb3885
HTTP/2: fixed socket leak with an incomplete HEADERS frame.
A connection could get stuck without timers if a client has partially sent
the HEADERS frame such that it was split on the individual header boundary.
In this case, it cannot be processed without the rest of the HEADERS frame.
The fix is to call ngx_http_v2_state_headers_save() in this case. Normally,
it would be called from the ngx_http_v2_state_header_block() handler on the
next iteration, when there is not enough data to continue processing. This
isn't the case if recv_buffer became empty and there's no more data to read.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Wed, 05 Feb 2020 16:29:23 +0300 |
parents | 057adb2a9d23 |
children |
rev | line source |
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441
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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. |
441
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
539 | 10 #include <nginx.h> |
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11 |
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12 |
473 | 13 ngx_int_t ngx_ncpu; |
14 ngx_int_t ngx_max_sockets; | |
15 ngx_uint_t ngx_inherited_nonblocking; | |
16 ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush; | |
449
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17 |
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18 |
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19 struct rlimit rlmt; |
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20 |
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21 |
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22 ngx_os_io_t ngx_os_io = { |
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23 ngx_unix_recv, |
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24 ngx_readv_chain, |
1689 | 25 ngx_udp_unix_recv, |
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26 ngx_unix_send, |
6436 | 27 ngx_udp_unix_send, |
6692 | 28 ngx_udp_unix_sendmsg_chain, |
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29 ngx_writev_chain, |
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30 0 |
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31 }; |
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32 |
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33 |
539 | 34 ngx_int_t |
35 ngx_os_init(ngx_log_t *log) | |
455 | 36 { |
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37 ngx_time_t *tp; |
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38 ngx_uint_t n; |
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39 #if (NGX_HAVE_LEVEL1_DCACHE_LINESIZE) |
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40 long size; |
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41 #endif |
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42 |
539 | 43 #if (NGX_HAVE_OS_SPECIFIC_INIT) |
44 if (ngx_os_specific_init(log) != NGX_OK) { | |
45 return NGX_ERROR; | |
46 } | |
47 #endif | |
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48 |
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49 if (ngx_init_setproctitle(log) != NGX_OK) { |
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50 return NGX_ERROR; |
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51 } |
509 | 52 |
346
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53 ngx_pagesize = getpagesize(); |
589 | 54 ngx_cacheline_size = NGX_CPU_CACHE_LINE; |
346
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55 |
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56 for (n = ngx_pagesize; n >>= 1; ngx_pagesize_shift++) { /* void */ } |
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57 |
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58 #if (NGX_HAVE_SC_NPROCESSORS_ONLN) |
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59 if (ngx_ncpu == 0) { |
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60 ngx_ncpu = sysconf(_SC_NPROCESSORS_ONLN); |
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61 } |
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62 #endif |
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63 |
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64 if (ngx_ncpu < 1) { |
373
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65 ngx_ncpu = 1; |
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66 } |
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67 |
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68 #if (NGX_HAVE_LEVEL1_DCACHE_LINESIZE) |
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69 size = sysconf(_SC_LEVEL1_DCACHE_LINESIZE); |
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70 if (size > 0) { |
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71 ngx_cacheline_size = size; |
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72 } |
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73 #endif |
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74 |
611 | 75 ngx_cpuinfo(); |
76 | |
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77 if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) { |
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78 ngx_log_error(NGX_LOG_ALERT, log, errno, |
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79 "getrlimit(RLIMIT_NOFILE) failed"); |
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80 return NGX_ERROR; |
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81 } |
577 | 82 |
563 | 83 ngx_max_sockets = (ngx_int_t) rlmt.rlim_cur; |
93
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84 |
3786 | 85 #if (NGX_HAVE_INHERITED_NONBLOCK || NGX_HAVE_ACCEPT4) |
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86 ngx_inherited_nonblocking = 1; |
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87 #else |
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88 ngx_inherited_nonblocking = 0; |
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89 #endif |
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90 |
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91 tp = ngx_timeofday(); |
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92 srandom(((unsigned) ngx_pid << 16) ^ tp->sec ^ tp->msec); |
800 | 93 |
93
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94 return NGX_OK; |
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95 } |
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96 |
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97 |
539 | 98 void |
99 ngx_os_status(ngx_log_t *log) | |
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100 { |
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101 ngx_log_error(NGX_LOG_NOTICE, log, 0, NGINX_VER_BUILD); |
541 | 102 |
557 | 103 #ifdef NGX_COMPILER |
104 ngx_log_error(NGX_LOG_NOTICE, log, 0, "built by " NGX_COMPILER); | |
105 #endif | |
106 | |
539 | 107 #if (NGX_HAVE_OS_SPECIFIC_INIT) |
108 ngx_os_specific_status(log); | |
109 #endif | |
110 | |
531 | 111 ngx_log_error(NGX_LOG_NOTICE, log, 0, |
461 | 112 "getrlimit(RLIMIT_NOFILE): %r:%r", |
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113 rlmt.rlim_cur, rlmt.rlim_max); |
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114 } |
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115 |
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116 |
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117 #if 0 |
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118 |
539 | 119 ngx_int_t |
120 ngx_posix_post_conf_init(ngx_log_t *log) | |
93
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121 { |
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122 ngx_fd_t pp[2]; |
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123 |
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124 if (pipe(pp) == -1) { |
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125 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed"); |
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126 return NGX_ERROR; |
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127 } |
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128 |
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129 if (dup2(pp[1], STDERR_FILENO) == -1) { |
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130 ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed"); |
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131 return NGX_ERROR; |
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132 } |
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133 |
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134 if (pp[1] > STDERR_FILENO) { |
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135 if (close(pp[1]) == -1) { |
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136 ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed"); |
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nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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137 return NGX_ERROR; |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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138 } |
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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139 } |
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nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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140 |
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nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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141 return NGX_OK; |
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nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
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142 } |
4759
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
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143 |
4c36e15651f7
Fixed compilation with -Wmissing-prototypes.
Ruslan Ermilov <ru@nginx.com>
parents:
4459
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144 #endif |