Mercurial > hg > nginx
annotate src/core/ngx_syslog.c @ 6238:8c6e71722aff
Added protection against r->main->count overflow by subrequests.
This overflow has become possible after the change in 06e850859a26,
since concurrent subrequests are not limited now and each of them is
counted in r->main->count.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Mon, 31 Aug 2015 23:25:16 +0300 |
parents | 68f64bc17fa4 |
children | a6a2016b8e31 |
rev | line source |
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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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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
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11 |
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12 #define NGX_SYSLOG_MAX_STR \ |
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13 NGX_MAX_ERROR_STR + sizeof("<255>Jan 01 00:00:00 ") - 1 \ |
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14 + (NGX_MAXHOSTNAMELEN - 1) + 1 /* space */ \ |
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15 + 32 /* tag */ + 2 /* colon, space */ |
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16 |
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17 |
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18 static char *ngx_syslog_parse_args(ngx_conf_t *cf, ngx_syslog_peer_t *peer); |
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19 static ngx_int_t ngx_syslog_init_peer(ngx_syslog_peer_t *peer); |
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20 static void ngx_syslog_cleanup(void *data); |
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21 |
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22 |
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23 static char *facilities[] = { |
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24 "kern", "user", "mail", "daemon", "auth", "intern", "lpr", "news", "uucp", |
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25 "clock", "authpriv", "ftp", "ntp", "audit", "alert", "cron", "local0", |
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26 "local1", "local2", "local3", "local4", "local5", "local6", "local7", |
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27 NULL |
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28 }; |
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29 |
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30 /* note 'error/warn' like in nginx.conf, not 'err/warning' */ |
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31 static char *severities[] = { |
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32 "emerg", "alert", "crit", "error", "warn", "notice", "info", "debug", NULL |
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33 }; |
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34 |
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35 static ngx_log_t ngx_syslog_dummy_log; |
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36 static ngx_event_t ngx_syslog_dummy_event; |
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37 |
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38 |
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39 char * |
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40 ngx_syslog_process_conf(ngx_conf_t *cf, ngx_syslog_peer_t *peer) |
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41 { |
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42 peer->pool = cf->pool; |
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43 peer->facility = NGX_CONF_UNSET_UINT; |
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44 peer->severity = NGX_CONF_UNSET_UINT; |
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45 |
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46 if (ngx_syslog_parse_args(cf, peer) != NGX_CONF_OK) { |
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47 return NGX_CONF_ERROR; |
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48 } |
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49 |
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50 if (peer->server.sockaddr == NULL) { |
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51 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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52 "no syslog server specified"); |
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53 return NGX_CONF_ERROR; |
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54 } |
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55 |
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56 if (peer->facility == NGX_CONF_UNSET_UINT) { |
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57 peer->facility = 23; /* local7 */ |
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58 } |
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59 |
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60 if (peer->severity == NGX_CONF_UNSET_UINT) { |
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61 peer->severity = 6; /* info */ |
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62 } |
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63 |
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64 if (peer->tag.data == NULL) { |
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65 ngx_str_set(&peer->tag, "nginx"); |
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66 } |
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67 |
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68 peer->conn.fd = (ngx_socket_t) -1; |
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69 |
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70 return NGX_CONF_OK; |
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71 } |
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72 |
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73 |
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74 static char * |
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75 ngx_syslog_parse_args(ngx_conf_t *cf, ngx_syslog_peer_t *peer) |
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76 { |
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77 u_char *p, *comma, c; |
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78 size_t len; |
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79 ngx_str_t *value; |
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80 ngx_url_t u; |
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81 ngx_uint_t i; |
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82 |
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83 value = cf->args->elts; |
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84 |
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85 p = value[1].data + sizeof("syslog:") - 1; |
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86 |
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87 for ( ;; ) { |
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88 comma = (u_char *) ngx_strchr(p, ','); |
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89 |
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90 if (comma != NULL) { |
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91 len = comma - p; |
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92 *comma = '\0'; |
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93 |
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94 } else { |
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95 len = value[1].data + value[1].len - p; |
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96 } |
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97 |
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98 if (ngx_strncmp(p, "server=", 7) == 0) { |
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99 |
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100 if (peer->server.sockaddr != NULL) { |
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101 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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102 "duplicate syslog \"server\""); |
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103 return NGX_CONF_ERROR; |
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104 } |
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105 |
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106 ngx_memzero(&u, sizeof(ngx_url_t)); |
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107 |
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108 u.url.data = p + 7; |
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109 u.url.len = len - 7; |
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110 u.default_port = 514; |
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111 |
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112 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
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113 if (u.err) { |
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114 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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115 "%s in syslog server \"%V\"", |
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116 u.err, &u.url); |
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117 } |
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118 |
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119 return NGX_CONF_ERROR; |
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120 } |
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121 |
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122 peer->server = u.addrs[0]; |
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parents:
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|
123 |
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parents:
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|
124 } else if (ngx_strncmp(p, "facility=", 9) == 0) { |
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parents:
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|
125 |
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parents:
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|
126 if (peer->facility != NGX_CONF_UNSET_UINT) { |
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|
127 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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parents:
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|
128 "duplicate syslog \"facility\""); |
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|
129 return NGX_CONF_ERROR; |
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parents:
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|
130 } |
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parents:
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|
131 |
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parents:
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|
132 for (i = 0; facilities[i] != NULL; i++) { |
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|
133 |
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parents:
diff
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|
134 if (ngx_strcmp(p + 9, facilities[i]) == 0) { |
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parents:
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|
135 peer->facility = i; |
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parents:
diff
changeset
|
136 goto next; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
137 } |
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parents:
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|
138 } |
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parents:
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|
139 |
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|
140 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
141 "unknown syslog facility \"%s\"", p + 9); |
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|
142 return NGX_CONF_ERROR; |
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|
143 |
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parents:
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|
144 } else if (ngx_strncmp(p, "severity=", 9) == 0) { |
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parents:
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|
145 |
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parents:
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|
146 if (peer->severity != NGX_CONF_UNSET_UINT) { |
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|
147 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
148 "duplicate syslog \"severity\""); |
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|
149 return NGX_CONF_ERROR; |
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|
150 } |
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parents:
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|
151 |
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|
152 for (i = 0; severities[i] != NULL; i++) { |
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|
153 |
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parents:
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|
154 if (ngx_strcmp(p + 9, severities[i]) == 0) { |
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|
155 peer->severity = i; |
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parents:
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|
156 goto next; |
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parents:
diff
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|
157 } |
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parents:
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|
158 } |
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parents:
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|
159 |
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|
160 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
161 "unknown syslog severity \"%s\"", p + 9); |
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|
162 return NGX_CONF_ERROR; |
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|
163 |
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parents:
diff
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|
164 } else if (ngx_strncmp(p, "tag=", 4) == 0) { |
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parents:
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|
165 |
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parents:
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|
166 if (peer->tag.data != NULL) { |
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|
167 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
168 "duplicate syslog \"tag\""); |
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|
169 return NGX_CONF_ERROR; |
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|
170 } |
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parents:
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|
171 |
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parents:
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|
172 /* |
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|
173 * RFC 3164: the TAG is a string of ABNF alphanumeric characters |
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|
174 * that MUST NOT exceed 32 characters. |
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|
175 */ |
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parents:
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|
176 if (len - 4 > 32) { |
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|
177 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
178 "syslog tag length exceeds 32"); |
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|
179 return NGX_CONF_ERROR; |
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parents:
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|
180 } |
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parents:
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|
181 |
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|
182 for (i = 4; i < len; i++) { |
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|
183 c = ngx_tolower(p[i]); |
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|
184 |
5922
68f64bc17fa4
Syslog: allowed underscore symbol in tag (ticket #667).
Vladimir Homutov <vl@nginx.com>
parents:
5858
diff
changeset
|
185 if (c < '0' || (c > '9' && c < 'a' && c != '_') || c > 'z') { |
5702
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|
186 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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parents:
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|
187 "syslog \"tag\" only allows " |
5922
68f64bc17fa4
Syslog: allowed underscore symbol in tag (ticket #667).
Vladimir Homutov <vl@nginx.com>
parents:
5858
diff
changeset
|
188 "alphanumeric characters " |
68f64bc17fa4
Syslog: allowed underscore symbol in tag (ticket #667).
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parents:
5858
diff
changeset
|
189 "and underscore"); |
5702
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Added syslog support for error_log and access_log directives.
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|
190 return NGX_CONF_ERROR; |
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|
191 } |
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parents:
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changeset
|
192 } |
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parents:
diff
changeset
|
193 |
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|
194 peer->tag.data = p + 4; |
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|
195 peer->tag.len = len - 4; |
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|
196 |
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parents:
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|
197 } else { |
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|
198 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
199 "unknown syslog parameter \"%s\"", p); |
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Added syslog support for error_log and access_log directives.
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parents:
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changeset
|
200 return NGX_CONF_ERROR; |
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parents:
diff
changeset
|
201 } |
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parents:
diff
changeset
|
202 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
203 next: |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
204 |
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Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
205 if (comma == NULL) { |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
206 break; |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
207 } |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
208 |
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Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
209 p = comma + 1; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
210 } |
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Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
211 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
212 return NGX_CONF_OK; |
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parents:
diff
changeset
|
213 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
214 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
215 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
216 u_char * |
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parents:
diff
changeset
|
217 ngx_syslog_add_header(ngx_syslog_peer_t *peer, u_char *buf) |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
218 { |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
219 ngx_uint_t pri; |
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Added syslog support for error_log and access_log directives.
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diff
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|
220 |
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parents:
diff
changeset
|
221 pri = peer->facility * 8 + peer->severity; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
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|
222 |
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parents:
diff
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|
223 return ngx_sprintf(buf, "<%ui>%V %V %V: ", pri, &ngx_cached_syslog_time, |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
224 &ngx_cycle->hostname, &peer->tag); |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
225 } |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
226 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
227 |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
228 void |
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parents:
diff
changeset
|
229 ngx_syslog_writer(ngx_log_t *log, ngx_uint_t level, u_char *buf, |
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parents:
diff
changeset
|
230 size_t len) |
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parents:
diff
changeset
|
231 { |
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parents:
diff
changeset
|
232 u_char *p, msg[NGX_SYSLOG_MAX_STR]; |
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parents:
diff
changeset
|
233 ngx_uint_t head_len; |
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diff
changeset
|
234 ngx_syslog_peer_t *peer; |
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parents:
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changeset
|
235 |
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
236 peer = log->wdata; |
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parents:
diff
changeset
|
237 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
238 if (peer->busy) { |
5702
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parents:
diff
changeset
|
239 return; |
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parents:
diff
changeset
|
240 } |
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parents:
diff
changeset
|
241 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
242 peer->busy = 1; |
5702
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
243 peer->severity = level - 1; |
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Added syslog support for error_log and access_log directives.
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|
244 |
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parents:
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changeset
|
245 p = ngx_syslog_add_header(peer, msg); |
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diff
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|
246 head_len = p - msg; |
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Added syslog support for error_log and access_log directives.
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changeset
|
247 |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
248 len -= NGX_LINEFEED_SIZE; |
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Added syslog support for error_log and access_log directives.
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diff
changeset
|
249 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
250 if (len > NGX_SYSLOG_MAX_STR - head_len) { |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
251 len = NGX_SYSLOG_MAX_STR - head_len; |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
252 } |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
253 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
254 p = ngx_snprintf(p, len, "%s", buf); |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
255 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
256 (void) ngx_syslog_send(peer, msg, p - msg); |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
257 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
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parents:
5709
diff
changeset
|
258 peer->busy = 0; |
5702
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Added syslog support for error_log and access_log directives.
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diff
changeset
|
259 } |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
260 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
261 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
262 ssize_t |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
263 ngx_syslog_send(ngx_syslog_peer_t *peer, u_char *buf, size_t len) |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
264 { |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
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parents:
5857
diff
changeset
|
265 ssize_t n; |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
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parents:
5857
diff
changeset
|
266 |
5702
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
267 if (peer->conn.fd == (ngx_socket_t) -1) { |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
268 if (ngx_syslog_init_peer(peer) != NGX_OK) { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
269 return NGX_ERROR; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
270 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
271 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
272 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
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parents:
5709
diff
changeset
|
273 /* log syslog socket events with valid log */ |
2cb5275bf5e7
Syslog: enabled logging of send errors.
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parents:
5709
diff
changeset
|
274 peer->conn.log = ngx_cycle->log; |
2cb5275bf5e7
Syslog: enabled logging of send errors.
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parents:
5709
diff
changeset
|
275 |
5702
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
276 if (ngx_send) { |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
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parents:
5857
diff
changeset
|
277 n = ngx_send(&peer->conn, buf, len); |
5702
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
278 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
279 } else { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
280 /* event module has not yet set ngx_io */ |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
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parents:
5857
diff
changeset
|
281 n = ngx_os_io.send(&peer->conn, buf, len); |
5702
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
282 } |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
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parents:
5857
diff
changeset
|
283 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
284 #if (NGX_HAVE_UNIX_DOMAIN) |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
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5857
diff
changeset
|
285 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
286 if (n == NGX_ERROR && peer->server.sockaddr->sa_family == AF_UNIX) { |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
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parents:
5857
diff
changeset
|
287 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
288 if (ngx_close_socket(peer->conn.fd) == -1) { |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
289 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_socket_errno, |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
290 ngx_close_socket_n " failed"); |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
291 } |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
292 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
293 peer->conn.fd = (ngx_socket_t) -1; |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
294 } |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
295 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
296 #endif |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
297 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
298 return n; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
299 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
300 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
301 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
302 static ngx_int_t |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
303 ngx_syslog_init_peer(ngx_syslog_peer_t *peer) |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
304 { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
305 ngx_socket_t fd; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
306 ngx_pool_cleanup_t *cln; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
307 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
308 peer->conn.read = &ngx_syslog_dummy_event; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
309 peer->conn.write = &ngx_syslog_dummy_event; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
310 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
311 ngx_syslog_dummy_event.log = &ngx_syslog_dummy_log; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
312 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
313 fd = ngx_socket(peer->server.sockaddr->sa_family, SOCK_DGRAM, 0); |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
314 if (fd == (ngx_socket_t) -1) { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
315 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_socket_errno, |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
316 ngx_socket_n " failed"); |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
317 return NGX_ERROR; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
318 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
319 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
320 if (ngx_nonblocking(fd) == -1) { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
321 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_socket_errno, |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
322 ngx_nonblocking_n " failed"); |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
323 goto failed; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
324 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
325 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
326 if (connect(fd, peer->server.sockaddr, peer->server.socklen) == -1) { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
327 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_socket_errno, |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
328 "connect() failed"); |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
329 goto failed; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
330 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
331 |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
332 cln = ngx_pool_cleanup_add(peer->pool, 0); |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
333 if (cln == NULL) { |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
334 goto failed; |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
335 } |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
336 |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
337 cln->data = peer; |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
338 cln->handler = ngx_syslog_cleanup; |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
339 |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
340 peer->conn.fd = fd; |
5709
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
341 |
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
342 /* UDP sockets are always ready to write */ |
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
343 peer->conn.write->ready = 1; |
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
344 |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
345 return NGX_OK; |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
346 |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
347 failed: |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
348 |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
349 if (ngx_close_socket(fd) == -1) { |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
350 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_socket_errno, |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
351 ngx_close_socket_n " failed"); |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
352 } |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
353 |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
354 return NGX_ERROR; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
355 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
356 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
357 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
358 static void |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
359 ngx_syslog_cleanup(void *data) |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
360 { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
361 ngx_syslog_peer_t *peer = data; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
362 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
363 /* prevents further use of this peer */ |
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
364 peer->busy = 1; |
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
365 |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
366 if (peer->conn.fd == (ngx_socket_t) -1) { |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
367 return; |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
368 } |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
369 |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
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370 if (ngx_close_socket(peer->conn.fd) == -1) { |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
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371 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_socket_errno, |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
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372 ngx_close_socket_n " failed"); |
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Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
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373 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
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374 } |