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479
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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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 #include <ngx_event_connect.h>
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11
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12
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13 /* Solaris has predefined "#define sun 1" */
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14 #undef sun
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15
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16
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509
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17 ngx_peers_t *
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18 ngx_unix_upstream_parse(ngx_conf_t *cf, ngx_unix_domain_upstream_t *u)
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479
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19 {
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20 size_t len;
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21 ngx_uint_t i;
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22 ngx_peers_t *peers;
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23 struct sockaddr_un *sun;
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24
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25 len = u->url.len - 5;
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26
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27 if (u->uri_part) {
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28 for (i = 5; i < u->url.len; i++) {
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29 if (u->url.data[i] == ':') {
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30 len = i - 5;
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31 u->uri.len = u->url.len - 5 - len - 1;
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32 u->uri.data = u->url.data + 5 + len + 1;
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33
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34 break;
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35 }
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36 }
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37
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38 if (u->uri.len == 0) {
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39 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
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40 "the unix domain upstream \"%V\" has no URI",
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41 &u->name);
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42 return NULL;
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43 }
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44 }
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45
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46 if (len == 0) {
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47 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
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48 "the unix domain socket \"%V\" has no path",
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49 &u->name);
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50 return NULL;
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51 }
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52
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53 if (len + 1 > sizeof(sun->sun_path)) {
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54 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
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55 "the unix domain socket path \"%V\" is too long",
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56 &u->name);
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57 return NULL;
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58 }
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59
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60 /* MP: ngx_shared_palloc() */
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61
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501
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62 peers = ngx_pcalloc(cf->pool, sizeof(ngx_peers_t));
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63 if (peers == NULL) {
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479
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64 return NULL;
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65 }
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66
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501
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67 sun = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_un));
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68 if (sun == NULL) {
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479
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69 return NULL;
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70 }
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71
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72 peers->number = 1;
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73
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74 sun->sun_family = AF_UNIX;
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517
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75 (void) ngx_cpystrn((u_char *) sun->sun_path, u->url.data + 5, len + 1);
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479
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76
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77 peers->peer[0].sockaddr = (struct sockaddr *) sun;
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78 peers->peer[0].socklen = sizeof(struct sockaddr_un);
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79
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80 peers->peer[0].name.len = 5 + len;
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81 peers->peer[0].name.data = u->url.data;
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82
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83 peers->peer[0].uri_separator = ":";
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84
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85 return peers;
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86 }
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