Mercurial > hg > nginx-quic
annotate src/core/ngx_cycle.h @ 4487:a786c85e8268
Disable symlinks: don't allow creating or truncating a file via a symlink in
the last path component if "if_not_owner" parameter is used.
To prevent race condition we have to open a file before checking its owner and
there's no way to change access flags for already opened file descriptor, so
we disable symlinks for the last path component at all if flags allow creating
or truncating the file.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Tue, 21 Feb 2012 15:04:41 +0000 |
parents | d620f497c50f |
children | f31162fefe01 |
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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8 #ifndef _NGX_CYCLE_H_INCLUDED_ |
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9 #define _NGX_CYCLE_H_INCLUDED_ |
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10 |
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11 |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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14 |
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15 |
507 | 16 #ifndef NGX_CYCLE_POOL_SIZE |
17 #define NGX_CYCLE_POOL_SIZE 16384 | |
18 #endif | |
19 | |
20 | |
461 | 21 #define NGX_DEBUG_POINTS_STOP 1 |
22 #define NGX_DEBUG_POINTS_ABORT 2 | |
23 | |
24 | |
972 | 25 typedef struct ngx_shm_zone_s ngx_shm_zone_t; |
26 | |
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27 typedef ngx_int_t (*ngx_shm_zone_init_pt) (ngx_shm_zone_t *zone, void *data); |
972 | 28 |
29 struct ngx_shm_zone_s { | |
30 void *data; | |
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31 ngx_shm_t shm; |
972 | 32 ngx_shm_zone_init_pt init; |
33 void *tag; | |
34 }; | |
860
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35 |
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36 |
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37 struct ngx_cycle_s { |
473 | 38 void ****conf_ctx; |
39 ngx_pool_t *pool; | |
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40 |
473 | 41 ngx_log_t *log; |
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42 ngx_log_t new_log; |
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43 |
543 | 44 ngx_connection_t **files; |
45 ngx_connection_t *free_connections; | |
46 ngx_uint_t free_connection_n; | |
47 | |
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48 ngx_queue_t reusable_connections_queue; |
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49 |
473 | 50 ngx_array_t listening; |
51 ngx_array_t pathes; | |
52 ngx_list_t open_files; | |
860
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53 ngx_list_t shared_memory; |
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54 |
473 | 55 ngx_uint_t connection_n; |
543 | 56 ngx_uint_t files_n; |
57 | |
561 | 58 ngx_connection_t *connections; |
59 ngx_event_t *read_events; | |
60 ngx_event_t *write_events; | |
218
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61 |
473 | 62 ngx_cycle_t *old_cycle; |
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63 |
473 | 64 ngx_str_t conf_file; |
2073 | 65 ngx_str_t conf_param; |
2758 | 66 ngx_str_t conf_prefix; |
67 ngx_str_t prefix; | |
860
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68 ngx_str_t lock_file; |
2011 | 69 ngx_str_t hostname; |
218
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70 }; |
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71 |
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72 |
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73 typedef struct { |
473 | 74 ngx_flag_t daemon; |
75 ngx_flag_t master; | |
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76 |
563 | 77 ngx_msec_t timer_resolution; |
78 | |
473 | 79 ngx_int_t worker_processes; |
80 ngx_int_t debug_points; | |
300
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81 |
543 | 82 ngx_int_t rlimit_nofile; |
83 ngx_int_t rlimit_sigpending; | |
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84 off_t rlimit_core; |
543 | 85 |
473 | 86 int priority; |
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87 |
577 | 88 ngx_uint_t cpu_affinity_n; |
89 u_long *cpu_affinity; | |
90 | |
473 | 91 char *username; |
92 ngx_uid_t user; | |
93 ngx_gid_t group; | |
94 | |
521 | 95 ngx_str_t working_directory; |
611 | 96 ngx_str_t lock_file; |
521 | 97 |
473 | 98 ngx_str_t pid; |
543 | 99 ngx_str_t oldpid; |
376
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100 |
1069 | 101 ngx_array_t env; |
102 char **environment; | |
103 | |
376
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104 #if (NGX_THREADS) |
473 | 105 ngx_int_t worker_threads; |
106 size_t thread_stack_size; | |
376
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107 #endif |
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108 |
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109 } ngx_core_conf_t; |
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110 |
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111 |
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112 typedef struct { |
473 | 113 ngx_pool_t *pool; /* pcre's malloc() pool */ |
381
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114 } ngx_core_tls_t; |
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115 |
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116 |
611 | 117 #define ngx_is_init_cycle(cycle) (cycle->conf_ctx == NULL) |
605 | 118 |
119 | |
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120 ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle); |
611 | 121 ngx_int_t ngx_create_pidfile(ngx_str_t *name, ngx_log_t *log); |
311
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122 void ngx_delete_pidfile(ngx_cycle_t *cycle); |
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123 ngx_int_t ngx_signal_process(ngx_cycle_t *cycle, char *sig); |
278
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124 void ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user); |
1069 | 125 char **ngx_set_environment(ngx_cycle_t *cycle, ngx_uint_t *last); |
278
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126 ngx_pid_t ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv); |
577 | 127 u_long ngx_get_cpu_affinity(ngx_uint_t n); |
972 | 128 ngx_shm_zone_t *ngx_shared_memory_add(ngx_conf_t *cf, ngx_str_t *name, |
129 size_t size, void *tag); | |
218
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130 |
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131 |
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132 extern volatile ngx_cycle_t *ngx_cycle; |
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133 extern ngx_array_t ngx_old_cycles; |
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134 extern ngx_module_t ngx_core_module; |
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135 extern ngx_uint_t ngx_test_config; |
3750 | 136 extern ngx_uint_t ngx_quiet_mode; |
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137 #if (NGX_THREADS) |
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138 extern ngx_tls_key_t ngx_core_tls_key; |
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139 #endif |
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140 |
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141 |
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142 #endif /* _NGX_CYCLE_H_INCLUDED_ */ |