Mercurial > hg > nginx-quic
annotate src/core/ngx_proxy_protocol.c @ 5803:ecfc601f1225
Events: format specifier fixes.
author | Yves Crespin <yves.crespin@e-quartz.fr> |
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date | Thu, 07 Aug 2014 15:04:43 +0200 |
parents | 3a72b1805c52 |
children | fa663739e115 |
rev | line source |
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5605
3a72b1805c52
Added server-side support for PROXY protocol v1 (ticket #355).
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parents:
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1 |
3a72b1805c52
Added server-side support for PROXY protocol v1 (ticket #355).
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2 /* |
3a72b1805c52
Added server-side support for PROXY protocol v1 (ticket #355).
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3 * Copyright (C) Roman Arutyunyan |
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Added server-side support for PROXY protocol v1 (ticket #355).
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4 * Copyright (C) Nginx, Inc. |
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Added server-side support for PROXY protocol v1 (ticket #355).
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5 */ |
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Added server-side support for PROXY protocol v1 (ticket #355).
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6 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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7 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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8 #include <ngx_config.h> |
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Added server-side support for PROXY protocol v1 (ticket #355).
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9 #include <ngx_core.h> |
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Added server-side support for PROXY protocol v1 (ticket #355).
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10 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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11 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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12 u_char * |
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Added server-side support for PROXY protocol v1 (ticket #355).
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13 ngx_proxy_protocol_parse(ngx_connection_t *c, u_char *buf, u_char *last) |
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14 { |
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15 size_t len; |
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16 u_char ch, *p, *addr; |
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17 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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18 p = buf; |
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19 len = last - buf; |
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20 |
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21 if (len < 8 || ngx_strncmp(p, "PROXY ", 6) != 0) { |
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22 goto invalid; |
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23 } |
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24 |
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25 p += 6; |
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26 len -= 6; |
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27 |
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28 if (len >= 7 && ngx_strncmp(p, "UNKNOWN", 7) == 0) { |
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29 ngx_log_debug0(NGX_LOG_DEBUG_CORE, c->log, 0, |
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30 "PROXY protocol unknown protocol"); |
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31 p += 7; |
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32 goto skip; |
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33 } |
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34 |
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35 if (len < 5 || ngx_strncmp(p, "TCP", 3) != 0 |
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36 || (p[3] != '4' && p[3] != '6') || p[4] != ' ') |
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37 { |
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38 goto invalid; |
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39 } |
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Added server-side support for PROXY protocol v1 (ticket #355).
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40 |
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Added server-side support for PROXY protocol v1 (ticket #355).
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41 p += 5; |
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42 addr = p; |
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43 |
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44 for ( ;; ) { |
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45 if (p == last) { |
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46 goto invalid; |
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47 } |
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48 |
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49 ch = *p++; |
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50 |
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51 if (ch == ' ') { |
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52 break; |
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53 } |
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54 |
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55 if (ch != ':' && ch != '.' |
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56 && (ch < 'a' || ch > 'f') |
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57 && (ch < 'A' || ch > 'F') |
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58 && (ch < '0' || ch > '9')) |
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59 { |
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60 goto invalid; |
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61 } |
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62 } |
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63 |
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64 len = p - addr - 1; |
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65 c->proxy_protocol_addr.data = ngx_pnalloc(c->pool, len); |
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66 |
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67 if (c->proxy_protocol_addr.data == NULL) { |
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68 return NULL; |
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69 } |
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70 |
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71 ngx_memcpy(c->proxy_protocol_addr.data, addr, len); |
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72 c->proxy_protocol_addr.len = len; |
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73 |
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74 ngx_log_debug1(NGX_LOG_DEBUG_CORE, c->log, 0, |
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75 "PROXY protocol address: \"%V\"", &c->proxy_protocol_addr); |
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76 |
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77 skip: |
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78 |
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79 for ( /* void */ ; p < last - 1; p++) { |
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80 if (p[0] == CR && p[1] == LF) { |
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81 return p + 2; |
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82 } |
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83 } |
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84 |
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85 invalid: |
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86 |
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87 ngx_log_error(NGX_LOG_ERR, c->log, 0, |
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88 "broken header: \"%*s\"", (size_t) (last - buf), buf); |
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89 |
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90 return NULL; |
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91 } |