Mercurial > hg > nginx-quic
annotate src/core/ngx_syslog.c @ 7983:39501ce97e29
gRPC: generate error when response size is wrong.
As long as the "Content-Length" header is given, we now make sure
it exactly matches the size of the response. If it doesn't,
the response is considered malformed and must not be forwarded
(https://tools.ietf.org/html/rfc7540#section-8.1.2.6). While it
is not really possible to "not forward" the response which is already
being forwarded, we generate an error instead, which is the closest
equivalent.
Previous behaviour was to pass everything to the client, but this
seems to be suboptimal and causes issues (ticket #1695). Also this
directly contradicts HTTP/2 specification requirements.
Note that the new behaviour for the gRPC proxy is more strict than that
applied in other variants of proxying. This is intentional, as HTTP/2
specification requires us to do so, while in other types of proxying
malformed responses from backends are well known and historically
tolerated.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 06 Jul 2020 18:36:25 +0300 |
parents | 7f9935f07fe9 |
children | 29adacffdefa |
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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 \ |
6474 | 13 NGX_MAX_ERROR_STR + sizeof("<255>Jan 01 00:00:00 ") - 1 \ |
14 + (NGX_MAXHOSTNAMELEN - 1) + 1 /* space */ \ | |
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 ngx_pool_cleanup_t *cln; |
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43 |
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44 peer->facility = NGX_CONF_UNSET_UINT; |
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45 peer->severity = NGX_CONF_UNSET_UINT; |
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46 |
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47 if (ngx_syslog_parse_args(cf, peer) != NGX_CONF_OK) { |
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48 return NGX_CONF_ERROR; |
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49 } |
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50 |
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51 if (peer->server.sockaddr == NULL) { |
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52 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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53 "no syslog server specified"); |
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54 return NGX_CONF_ERROR; |
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55 } |
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56 |
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57 if (peer->facility == NGX_CONF_UNSET_UINT) { |
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58 peer->facility = 23; /* local7 */ |
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59 } |
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60 |
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61 if (peer->severity == NGX_CONF_UNSET_UINT) { |
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62 peer->severity = 6; /* info */ |
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63 } |
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64 |
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65 if (peer->tag.data == NULL) { |
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66 ngx_str_set(&peer->tag, "nginx"); |
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67 } |
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68 |
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69 peer->conn.fd = (ngx_socket_t) -1; |
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70 |
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71 peer->conn.read = &ngx_syslog_dummy_event; |
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72 peer->conn.write = &ngx_syslog_dummy_event; |
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73 |
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74 ngx_syslog_dummy_event.log = &ngx_syslog_dummy_log; |
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75 |
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76 cln = ngx_pool_cleanup_add(cf->pool, 0); |
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77 if (cln == NULL) { |
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78 return NGX_CONF_ERROR; |
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79 } |
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80 |
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81 cln->data = peer; |
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82 cln->handler = ngx_syslog_cleanup; |
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83 |
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84 return NGX_CONF_OK; |
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85 } |
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86 |
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87 |
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88 static char * |
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89 ngx_syslog_parse_args(ngx_conf_t *cf, ngx_syslog_peer_t *peer) |
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90 { |
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91 u_char *p, *comma, c; |
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92 size_t len; |
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93 ngx_str_t *value; |
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94 ngx_url_t u; |
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95 ngx_uint_t i; |
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96 |
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97 value = cf->args->elts; |
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98 |
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99 p = value[1].data + sizeof("syslog:") - 1; |
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100 |
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101 for ( ;; ) { |
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102 comma = (u_char *) ngx_strchr(p, ','); |
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103 |
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104 if (comma != NULL) { |
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105 len = comma - p; |
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106 *comma = '\0'; |
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107 |
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108 } else { |
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109 len = value[1].data + value[1].len - p; |
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110 } |
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111 |
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112 if (ngx_strncmp(p, "server=", 7) == 0) { |
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113 |
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114 if (peer->server.sockaddr != NULL) { |
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115 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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116 "duplicate syslog \"server\""); |
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117 return NGX_CONF_ERROR; |
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118 } |
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119 |
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120 ngx_memzero(&u, sizeof(ngx_url_t)); |
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121 |
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changeset
|
122 u.url.data = p + 7; |
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|
123 u.url.len = len - 7; |
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|
124 u.default_port = 514; |
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|
125 |
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|
126 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
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|
127 if (u.err) { |
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|
128 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
129 "%s in syslog server \"%V\"", |
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|
130 u.err, &u.url); |
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|
131 } |
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|
132 |
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|
133 return NGX_CONF_ERROR; |
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|
134 } |
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|
135 |
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|
136 peer->server = u.addrs[0]; |
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|
137 |
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|
138 } else if (ngx_strncmp(p, "facility=", 9) == 0) { |
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|
139 |
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|
140 if (peer->facility != NGX_CONF_UNSET_UINT) { |
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|
141 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
142 "duplicate syslog \"facility\""); |
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|
143 return NGX_CONF_ERROR; |
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|
144 } |
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|
145 |
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|
146 for (i = 0; facilities[i] != NULL; i++) { |
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147 |
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|
148 if (ngx_strcmp(p + 9, facilities[i]) == 0) { |
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|
149 peer->facility = i; |
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|
150 goto next; |
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parents:
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|
151 } |
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|
152 } |
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153 |
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|
154 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
155 "unknown syslog facility \"%s\"", p + 9); |
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|
156 return NGX_CONF_ERROR; |
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|
157 |
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|
158 } else if (ngx_strncmp(p, "severity=", 9) == 0) { |
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|
159 |
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|
160 if (peer->severity != NGX_CONF_UNSET_UINT) { |
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|
161 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
162 "duplicate syslog \"severity\""); |
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|
163 return NGX_CONF_ERROR; |
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|
164 } |
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|
165 |
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|
166 for (i = 0; severities[i] != NULL; i++) { |
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|
167 |
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|
168 if (ngx_strcmp(p + 9, severities[i]) == 0) { |
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|
169 peer->severity = i; |
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parents:
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|
170 goto next; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
171 } |
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parents:
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|
172 } |
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|
173 |
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|
174 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
175 "unknown syslog severity \"%s\"", p + 9); |
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|
176 return NGX_CONF_ERROR; |
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|
177 |
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|
178 } else if (ngx_strncmp(p, "tag=", 4) == 0) { |
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|
179 |
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|
180 if (peer->tag.data != NULL) { |
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|
181 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
182 "duplicate syslog \"tag\""); |
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|
183 return NGX_CONF_ERROR; |
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parents:
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|
184 } |
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|
185 |
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parents:
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|
186 /* |
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parents:
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|
187 * RFC 3164: the TAG is a string of ABNF alphanumeric characters |
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|
188 * that MUST NOT exceed 32 characters. |
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|
189 */ |
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parents:
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|
190 if (len - 4 > 32) { |
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|
191 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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Added syslog support for error_log and access_log directives.
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|
192 "syslog tag length exceeds 32"); |
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|
193 return NGX_CONF_ERROR; |
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parents:
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|
194 } |
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|
195 |
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|
196 for (i = 4; i < len; i++) { |
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|
197 c = ngx_tolower(p[i]); |
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|
198 |
5922
68f64bc17fa4
Syslog: allowed underscore symbol in tag (ticket #667).
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5858
diff
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|
199 if (c < '0' || (c > '9' && c < 'a' && c != '_') || c > 'z') { |
5702
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|
200 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
201 "syslog \"tag\" only allows " |
5922
68f64bc17fa4
Syslog: allowed underscore symbol in tag (ticket #667).
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parents:
5858
diff
changeset
|
202 "alphanumeric characters " |
68f64bc17fa4
Syslog: allowed underscore symbol in tag (ticket #667).
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5858
diff
changeset
|
203 "and underscore"); |
5702
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Added syslog support for error_log and access_log directives.
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|
204 return NGX_CONF_ERROR; |
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|
205 } |
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parents:
diff
changeset
|
206 } |
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Added syslog support for error_log and access_log directives.
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parents:
diff
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|
207 |
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|
208 peer->tag.data = p + 4; |
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|
209 peer->tag.len = len - 4; |
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|
210 |
6286
a6a2016b8e31
Syslog: added "nohostname" option.
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diff
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|
211 } else if (len == 10 && ngx_strncmp(p, "nohostname", 10) == 0) { |
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|
212 peer->nohostname = 1; |
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|
213 |
5702
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|
214 } else { |
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|
215 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
216 "unknown syslog parameter \"%s\"", p); |
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Added syslog support for error_log and access_log directives.
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changeset
|
217 return NGX_CONF_ERROR; |
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parents:
diff
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|
218 } |
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parents:
diff
changeset
|
219 |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
220 next: |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
221 |
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parents:
diff
changeset
|
222 if (comma == NULL) { |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
223 break; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
224 } |
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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 p = comma + 1; |
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parents:
diff
changeset
|
227 } |
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parents:
diff
changeset
|
228 |
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parents:
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|
229 return NGX_CONF_OK; |
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parents:
diff
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|
230 } |
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parents:
diff
changeset
|
231 |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
232 |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
233 u_char * |
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Added syslog support for error_log and access_log directives.
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parents:
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|
234 ngx_syslog_add_header(ngx_syslog_peer_t *peer, u_char *buf) |
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parents:
diff
changeset
|
235 { |
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|
236 ngx_uint_t pri; |
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|
237 |
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parents:
diff
changeset
|
238 pri = peer->facility * 8 + peer->severity; |
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diff
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|
239 |
6286
a6a2016b8e31
Syslog: added "nohostname" option.
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parents:
5922
diff
changeset
|
240 if (peer->nohostname) { |
a6a2016b8e31
Syslog: added "nohostname" option.
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5922
diff
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|
241 return ngx_sprintf(buf, "<%ui>%V %V: ", pri, &ngx_cached_syslog_time, |
a6a2016b8e31
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5922
diff
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|
242 &peer->tag); |
a6a2016b8e31
Syslog: added "nohostname" option.
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parents:
5922
diff
changeset
|
243 } |
a6a2016b8e31
Syslog: added "nohostname" option.
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parents:
5922
diff
changeset
|
244 |
5702
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diff
changeset
|
245 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
|
246 &ngx_cycle->hostname, &peer->tag); |
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|
247 } |
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Added syslog support for error_log and access_log directives.
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248 |
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Added syslog support for error_log and access_log directives.
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|
249 |
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Added syslog support for error_log and access_log directives.
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changeset
|
250 void |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
251 ngx_syslog_writer(ngx_log_t *log, ngx_uint_t level, u_char *buf, |
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parents:
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|
252 size_t len) |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
253 { |
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diff
changeset
|
254 u_char *p, msg[NGX_SYSLOG_MAX_STR]; |
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diff
changeset
|
255 ngx_uint_t head_len; |
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diff
changeset
|
256 ngx_syslog_peer_t *peer; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
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|
257 |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
258 peer = log->wdata; |
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Added syslog support for error_log and access_log directives.
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changeset
|
259 |
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Syslog: enabled logging of send errors.
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diff
changeset
|
260 if (peer->busy) { |
5702
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Added syslog support for error_log and access_log directives.
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diff
changeset
|
261 return; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
262 } |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
263 |
5857
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Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
264 peer->busy = 1; |
5702
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Added syslog support for error_log and access_log directives.
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diff
changeset
|
265 peer->severity = level - 1; |
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Added syslog support for error_log and access_log directives.
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diff
changeset
|
266 |
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Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
267 p = ngx_syslog_add_header(peer, msg); |
777202558122
Added syslog support for error_log and access_log directives.
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diff
changeset
|
268 head_len = p - msg; |
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Added syslog support for error_log and access_log directives.
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diff
changeset
|
269 |
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Added syslog support for error_log and access_log directives.
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changeset
|
270 len -= NGX_LINEFEED_SIZE; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
271 |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
272 if (len > NGX_SYSLOG_MAX_STR - head_len) { |
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Added syslog support for error_log and access_log directives.
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diff
changeset
|
273 len = NGX_SYSLOG_MAX_STR - head_len; |
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parents:
diff
changeset
|
274 } |
777202558122
Added syslog support for error_log and access_log directives.
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diff
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|
275 |
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Added syslog support for error_log and access_log directives.
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diff
changeset
|
276 p = ngx_snprintf(p, len, "%s", buf); |
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Added syslog support for error_log and access_log directives.
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diff
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|
277 |
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Added syslog support for error_log and access_log directives.
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changeset
|
278 (void) ngx_syslog_send(peer, msg, p - msg); |
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Added syslog support for error_log and access_log directives.
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diff
changeset
|
279 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
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5709
diff
changeset
|
280 peer->busy = 0; |
5702
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Added syslog support for error_log and access_log directives.
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diff
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|
281 } |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
282 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
283 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
284 ssize_t |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
285 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.
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parents:
diff
changeset
|
286 { |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
287 ssize_t n; |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
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parents:
5857
diff
changeset
|
288 |
5702
777202558122
Added syslog support for error_log and access_log directives.
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diff
changeset
|
289 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
|
290 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
|
291 return NGX_ERROR; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
292 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
293 } |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
294 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
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parents:
5709
diff
changeset
|
295 /* log syslog socket events with valid log */ |
2cb5275bf5e7
Syslog: enabled logging of send errors.
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parents:
5709
diff
changeset
|
296 peer->conn.log = ngx_cycle->log; |
2cb5275bf5e7
Syslog: enabled logging of send errors.
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parents:
5709
diff
changeset
|
297 |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
298 if (ngx_send) { |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
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parents:
5857
diff
changeset
|
299 n = ngx_send(&peer->conn, buf, len); |
5702
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
300 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
301 } else { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
302 /* event module has not yet set ngx_io */ |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
303 n = ngx_os_io.send(&peer->conn, buf, len); |
5702
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
304 } |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
305 |
7272
fa0e093b64d7
Syslog: re-open syslog udp socket on send error (ticket #1477).
Vladimir Homutov <vl@nginx.com>
parents:
6474
diff
changeset
|
306 if (n == NGX_ERROR) { |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
307 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
308 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
|
309 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
|
310 ngx_close_socket_n " failed"); |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
311 } |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
312 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
313 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
|
314 } |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
315 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
316 return n; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
317 } |
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 static ngx_int_t |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
321 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
|
322 { |
7277
7f9935f07fe9
Syslog: install cleanup handler only once.
Vladimir Homutov <vl@nginx.com>
parents:
7272
diff
changeset
|
323 ngx_socket_t fd; |
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 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
|
326 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
|
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 ngx_socket_n " failed"); |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
329 return NGX_ERROR; |
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 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
332 if (ngx_nonblocking(fd) == -1) { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
333 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
|
334 ngx_nonblocking_n " failed"); |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
335 goto failed; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
336 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
337 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
338 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
|
339 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
|
340 "connect() failed"); |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
341 goto failed; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
342 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
343 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
344 peer->conn.fd = fd; |
5709
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
345 |
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
346 /* UDP sockets are always ready to write */ |
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
347 peer->conn.write->ready = 1; |
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
348 |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
349 return NGX_OK; |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
350 |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
351 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 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
|
354 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
|
355 ngx_close_socket_n " failed"); |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
356 } |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
357 |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
358 return NGX_ERROR; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
359 } |
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 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
362 static void |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
363 ngx_syslog_cleanup(void *data) |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
364 { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
365 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
|
366 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
367 /* prevents further use of this peer */ |
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
368 peer->busy = 1; |
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
369 |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
370 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
|
371 return; |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
372 } |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
373 |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
374 if (ngx_close_socket(peer->conn.fd) == -1) { |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
375 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
|
376 ngx_close_socket_n " failed"); |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
377 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
378 } |