annotate src/mail/ngx_mail_parse.c @ 290:f745bf973510 NGINX_0_5_15

nginx 0.5.15 *) Feature: the mail proxy supports authenticated SMTP proxying and the "smtp_auth", "smtp_capablities", and "xclient" directives. Thanks to Anton Yuzhaninov and Maxim Dounin. *) Feature: now the keep-alive connections are closed just after receiving the reconfiguration signal. *) Change: the "imap" and "auth" directives were renamed to the "mail" and "pop3_auth" directives. *) Bugfix: a segmentation fault occurred in worker process if the CRAM-MD5 authentication method was used and the APOP method was disabled. *) Bugfix: if the "starttls only" directive was used in POP3 protocol, then nginx allowed authentication without switching to the SSL mode. *) Bugfix: worker processes did not exit after reconfiguration and did not rotate logs if the eventport method was used. *) Bugfix: a worker process may got caught in an endless loop, if the "ip_hash" directive was used. *) Bugfix: now nginx does not log some alerts if eventport or /dev/poll methods are used.
author Igor Sysoev <http://sysoev.ru>
date Mon, 19 Mar 2007 00:00:00 +0300
parents
children d16d691432c9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
290
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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_mail.h>
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11
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12
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13 ngx_int_t ngx_pop3_parse_command(ngx_mail_session_t *s)
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14 {
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15 u_char ch, *p, *c, c0, c1, c2, c3;
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16 ngx_str_t *arg;
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17 enum {
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18 sw_start = 0,
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19 sw_spaces_before_argument,
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20 sw_argument,
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21 sw_almost_done
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22 } state;
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23
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24 state = s->state;
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25
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26 for (p = s->buffer->pos; p < s->buffer->last; p++) {
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27 ch = *p;
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28
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29 switch (state) {
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30
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31 /* POP3 command */
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32 case sw_start:
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33 if (ch == ' ' || ch == CR || ch == LF) {
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34 c = s->buffer->start;
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35
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36 if (p - c == 4) {
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37
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38 c0 = ngx_toupper(c[0]);
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39 c1 = ngx_toupper(c[1]);
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40 c2 = ngx_toupper(c[2]);
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41 c3 = ngx_toupper(c[3]);
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42
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43 if (c0 == 'U' && c1 == 'S' && c2 == 'E' && c3 == 'R')
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44 {
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45 s->command = NGX_POP3_USER;
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46
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47 } else if (c0 == 'P' && c1 == 'A' && c2 == 'S' && c3 == 'S')
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48 {
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49 s->command = NGX_POP3_PASS;
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50
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51 } else if (c0 == 'A' && c1 == 'P' && c2 == 'O' && c3 == 'P')
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52 {
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53 s->command = NGX_POP3_APOP;
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54
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55 } else if (c0 == 'Q' && c1 == 'U' && c2 == 'I' && c3 == 'T')
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56 {
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57 s->command = NGX_POP3_QUIT;
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58
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59 } else if (c0 == 'C' && c1 == 'A' && c2 == 'P' && c3 == 'A')
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60 {
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61 s->command = NGX_POP3_CAPA;
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62
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63 } else if (c0 == 'A' && c1 == 'U' && c2 == 'T' && c3 == 'H')
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64 {
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65 s->command = NGX_POP3_AUTH;
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66
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67 } else if (c0 == 'N' && c1 == 'O' && c2 == 'O' && c3 == 'P')
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68 {
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69 s->command = NGX_POP3_NOOP;
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70 #if (NGX_MAIL_SSL)
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71 } else if (c0 == 'S' && c1 == 'T' && c2 == 'L' && c3 == 'S')
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72 {
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73 s->command = NGX_POP3_STLS;
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74 #endif
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75 } else {
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76 goto invalid;
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77 }
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78
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79 } else {
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80 goto invalid;
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81 }
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82
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83 switch (ch) {
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84 case ' ':
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85 state = sw_spaces_before_argument;
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86 break;
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87 case CR:
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88 state = sw_almost_done;
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89 break;
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90 case LF:
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91 goto done;
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92 }
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93 break;
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94 }
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95
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96 if ((ch < 'A' || ch > 'Z') && (ch < 'a' || ch > 'z')) {
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97 goto invalid;
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98 }
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99
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100 break;
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101
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102 case sw_spaces_before_argument:
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103 switch (ch) {
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104 case ' ':
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105 break;
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106 case CR:
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107 state = sw_almost_done;
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108 s->arg_end = p;
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109 break;
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110 case LF:
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111 s->arg_end = p;
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112 goto done;
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113 default:
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114 if (s->args.nelts <= 2) {
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115 state = sw_argument;
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116 s->arg_start = p;
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117 break;
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118 }
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119 goto invalid;
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120 }
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121 break;
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122
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123 case sw_argument:
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124 switch (ch) {
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125
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126 case ' ':
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127
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128 /*
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129 * the space should be considered as part of the at username
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130 * or password, but not of argument in other commands
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131 */
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132
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133 if (s->command == NGX_POP3_USER
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134 || s->command == NGX_POP3_PASS)
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135 {
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136 break;
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137 }
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138
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139 /* fall through */
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140
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141 case CR:
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142 case LF:
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143 arg = ngx_array_push(&s->args);
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144 if (arg == NULL) {
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145 return NGX_ERROR;
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146 }
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147 arg->len = p - s->arg_start;
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148 arg->data = s->arg_start;
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149 s->arg_start = NULL;
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150
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151 switch (ch) {
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152 case ' ':
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153 state = sw_spaces_before_argument;
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154 break;
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155 case CR:
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156 state = sw_almost_done;
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157 break;
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158 case LF:
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Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
159 goto done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
160 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
161 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
162
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
163 default:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
164 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
165 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
166 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
167
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
168 case sw_almost_done:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
169 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
170 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
171 goto done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
172 default:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
173 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
174 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
175 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
176 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
177
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
178 s->buffer->pos = p;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
179 s->state = state;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
180
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
181 return NGX_AGAIN;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
182
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
183 done:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
184
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
185 s->buffer->pos = p + 1;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
186
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
187 if (s->arg_start) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
188 arg = ngx_array_push(&s->args);
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
189 if (arg == NULL) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
190 return NGX_ERROR;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
191 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
192 arg->len = s->arg_end - s->arg_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
193 arg->data = s->arg_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
194 s->arg_start = NULL;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
195 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
196
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
197 s->state = (s->command != NGX_POP3_AUTH) ? sw_start : sw_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
198
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
199 return NGX_OK;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
200
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
201 invalid:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
202
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
203 s->state = sw_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
204 s->arg_start = NULL;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
205
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
206 return NGX_MAIL_PARSE_INVALID_COMMAND;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
207 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
208
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
209
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
210 ngx_int_t ngx_imap_parse_command(ngx_mail_session_t *s)
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
211 {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
212 u_char ch, *p, *c;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
213 ngx_str_t *arg;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
214 enum {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
215 sw_start = 0,
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
216 sw_spaces_before_command,
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
217 sw_command,
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
218 sw_spaces_before_argument,
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
219 sw_argument,
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
220 sw_backslash,
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
221 sw_literal,
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
222 sw_no_sync_literal_argument,
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
223 sw_start_literal_argument,
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
224 sw_literal_argument,
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
225 sw_end_literal_argument,
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
226 sw_almost_done
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
227 } state;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
228
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
229 state = s->state;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
230
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
231 for (p = s->buffer->pos; p < s->buffer->last; p++) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
232 ch = *p;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
233
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
234 switch (state) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
235
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
236 /* IMAP tag */
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
237 case sw_start:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
238 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
239 case ' ':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
240 s->tag.len = p - s->buffer->start + 1;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
241 s->tag.data = s->buffer->start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
242 state = sw_spaces_before_command;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
243 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
244 case CR:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
245 s->state = sw_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
246 return NGX_MAIL_PARSE_INVALID_COMMAND;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
247 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
248 s->state = sw_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
249 return NGX_MAIL_PARSE_INVALID_COMMAND;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
250 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
251 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
252
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
253 case sw_spaces_before_command:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
254 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
255 case ' ':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
256 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
257 case CR:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
258 s->state = sw_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
259 return NGX_MAIL_PARSE_INVALID_COMMAND;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
260 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
261 s->state = sw_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
262 return NGX_MAIL_PARSE_INVALID_COMMAND;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
263 default:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
264 s->cmd_start = p;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
265 state = sw_command;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
266 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
267 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
268 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
269
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
270 case sw_command:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
271 if (ch == ' ' || ch == CR || ch == LF) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
272
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
273 c = s->cmd_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
274
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
275 switch (p - c) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
276
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
277 case 4:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
278 if ((c[0] == 'N' || c[0] == 'n')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
279 && (c[1] == 'O'|| c[1] == 'o')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
280 && (c[2] == 'O'|| c[2] == 'o')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
281 && (c[3] == 'P'|| c[3] == 'p'))
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
282 {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
283 s->command = NGX_IMAP_NOOP;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
284
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
285 } else {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
286 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
287 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
288 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
289
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
290 case 5:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
291 if ((c[0] == 'L'|| c[0] == 'l')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
292 && (c[1] == 'O'|| c[1] == 'o')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
293 && (c[2] == 'G'|| c[2] == 'g')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
294 && (c[3] == 'I'|| c[3] == 'i')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
295 && (c[4] == 'N'|| c[4] == 'n'))
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
296 {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
297 s->command = NGX_IMAP_LOGIN;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
298
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
299 } else {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
300 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
301 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
302 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
303
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
304 case 6:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
305 if ((c[0] == 'L'|| c[0] == 'l')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
306 && (c[1] == 'O'|| c[1] == 'o')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
307 && (c[2] == 'G'|| c[2] == 'g')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
308 && (c[3] == 'O'|| c[3] == 'o')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
309 && (c[4] == 'U'|| c[4] == 'u')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
310 && (c[5] == 'T'|| c[5] == 't'))
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
311 {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
312 s->command = NGX_IMAP_LOGOUT;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
313
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
314 } else {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
315 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
316 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
317 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
318
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
319 #if (NGX_MAIL_SSL)
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
320 case 8:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
321 if ((c[0] == 'S'|| c[0] == 's')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
322 && (c[1] == 'T'|| c[1] == 't')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
323 && (c[2] == 'A'|| c[2] == 'a')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
324 && (c[3] == 'R'|| c[3] == 'r')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
325 && (c[4] == 'T'|| c[4] == 't')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
326 && (c[5] == 'T'|| c[5] == 't')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
327 && (c[6] == 'L'|| c[6] == 'l')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
328 && (c[7] == 'S'|| c[7] == 's'))
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
329 {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
330 s->command = NGX_IMAP_STARTTLS;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
331
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
332 } else {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
333 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
334 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
335 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
336 #endif
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
337
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
338 case 10:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
339 if ((c[0] == 'C'|| c[0] == 'c')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
340 && (c[1] == 'A'|| c[1] == 'a')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
341 && (c[2] == 'P'|| c[2] == 'p')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
342 && (c[3] == 'A'|| c[3] == 'a')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
343 && (c[4] == 'B'|| c[4] == 'b')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
344 && (c[5] == 'I'|| c[5] == 'i')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
345 && (c[6] == 'L'|| c[6] == 'l')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
346 && (c[7] == 'I'|| c[7] == 'i')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
347 && (c[8] == 'T'|| c[8] == 't')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
348 && (c[9] == 'Y'|| c[9] == 'y'))
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
349 {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
350 s->command = NGX_IMAP_CAPABILITY;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
351
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
352 } else {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
353 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
354 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
355 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
356
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
357 default:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
358 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
359 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
360
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
361 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
362 case ' ':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
363 state = sw_spaces_before_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
364 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
365 case CR:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
366 state = sw_almost_done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
367 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
368 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
369 goto done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
370 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
371 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
372 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
373
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
374 if ((ch < 'A' || ch > 'Z') && (ch < 'a' || ch > 'z')) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
375 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
376 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
377
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
378 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
379
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
380 case sw_spaces_before_argument:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
381 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
382 case ' ':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
383 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
384 case CR:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
385 state = sw_almost_done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
386 s->arg_end = p;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
387 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
388 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
389 s->arg_end = p;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
390 goto done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
391 case '"':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
392 if (s->args.nelts <= 2) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
393 s->quoted = 1;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
394 s->arg_start = p + 1;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
395 state = sw_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
396 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
397 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
398 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
399 case '{':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
400 if (s->args.nelts <= 2) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
401 state = sw_literal;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
402 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
403 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
404 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
405 default:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
406 if (s->args.nelts <= 2) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
407 s->arg_start = p;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
408 state = sw_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
409 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
410 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
411 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
412 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
413 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
414
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
415 case sw_argument:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
416 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
417 case '"':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
418 if (!s->quoted) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
419 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
420 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
421 s->quoted = 0;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
422 /* fall through */
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
423 case ' ':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
424 case CR:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
425 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
426 arg = ngx_array_push(&s->args);
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
427 if (arg == NULL) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
428 return NGX_ERROR;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
429 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
430 arg->len = p - s->arg_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
431 arg->data = s->arg_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
432 s->arg_start = NULL;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
433
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
434 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
435 case '"':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
436 case ' ':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
437 state = sw_spaces_before_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
438 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
439 case CR:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
440 state = sw_almost_done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
441 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
442 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
443 goto done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
444 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
445 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
446 case '\\':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
447 if (s->quoted) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
448 s->backslash = 1;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
449 state = sw_backslash;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
450 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
451 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
452 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
453 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
454
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
455 case sw_backslash:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
456 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
457 case CR:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
458 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
459 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
460 default:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
461 state = sw_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
462 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
463 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
464
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
465 case sw_literal:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
466 if (ch >= '0' && ch <= '9') {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
467 s->literal_len = s->literal_len * 10 + (ch - '0');
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
468 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
469 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
470 if (ch == '}') {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
471 state = sw_start_literal_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
472 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
473 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
474 if (ch == '+') {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
475 state = sw_no_sync_literal_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
476 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
477 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
478 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
479
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
480 case sw_no_sync_literal_argument:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
481 if (ch == '}') {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
482 s->no_sync_literal = 1;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
483 state = sw_start_literal_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
484 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
485 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
486 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
487
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
488 case sw_start_literal_argument:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
489 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
490 case CR:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
491 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
492 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
493 s->buffer->pos = p + 1;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
494 s->arg_start = p + 1;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
495 if (s->no_sync_literal == 0) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
496 s->state = sw_literal_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
497 return NGX_IMAP_NEXT;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
498 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
499 state = sw_literal_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
500 s->no_sync_literal = 0;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
501 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
502 default:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
503 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
504 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
505 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
506
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
507 case sw_literal_argument:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
508 if (s->literal_len && --s->literal_len) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
509 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
510 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
511
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
512 arg = ngx_array_push(&s->args);
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
513 if (arg == NULL) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
514 return NGX_ERROR;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
515 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
516 arg->len = p + 1 - s->arg_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
517 arg->data = s->arg_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
518 s->arg_start = NULL;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
519 state = sw_end_literal_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
520
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
521 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
522
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
523 case sw_end_literal_argument:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
524 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
525 case '{':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
526 if (s->args.nelts <= 2) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
527 state = sw_literal;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
528 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
529 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
530 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
531 case CR:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
532 state = sw_almost_done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
533 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
534 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
535 goto done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
536 default:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
537 state = sw_spaces_before_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
538 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
539 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
540 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
541
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
542 case sw_almost_done:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
543 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
544 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
545 goto done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
546 default:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
547 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
548 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
549 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
550 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
551
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
552 s->buffer->pos = p;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
553 s->state = state;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
554
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
555 return NGX_AGAIN;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
556
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
557 done:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
558
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
559 s->buffer->pos = p + 1;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
560
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
561 if (s->arg_start) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
562 arg = ngx_array_push(&s->args);
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
563 if (arg == NULL) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
564 return NGX_ERROR;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
565 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
566 arg->len = s->arg_end - s->arg_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
567 arg->data = s->arg_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
568
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
569 s->arg_start = NULL;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
570 s->cmd_start = NULL;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
571 s->quoted = 0;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
572 s->no_sync_literal = 0;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
573 s->literal_len = 0;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
574 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
575
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
576 s->state = sw_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
577
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
578 return NGX_OK;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
579
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
580 invalid:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
581
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
582 s->state = sw_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
583 s->quoted = 0;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
584 s->no_sync_literal = 0;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
585 s->literal_len = 0;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
586
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
587 return NGX_MAIL_PARSE_INVALID_COMMAND;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
588 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
589
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
590
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
591 ngx_int_t ngx_smtp_parse_command(ngx_mail_session_t *s)
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
592 {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
593 u_char ch, *p, *c, c0, c1, c2, c3;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
594 ngx_str_t *arg;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
595 enum {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
596 sw_start = 0,
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
597 sw_spaces_before_argument,
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
598 sw_argument,
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
599 sw_almost_done
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
600 } state;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
601
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
602 state = s->state;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
603
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
604 for (p = s->buffer->pos; p < s->buffer->last; p++) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
605 ch = *p;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
606
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
607 switch (state) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
608
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
609 /* SMTP command */
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
610 case sw_start:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
611 if (ch == ' ' || ch == CR || ch == LF) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
612 c = s->buffer->start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
613
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
614 if (p - c == 4) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
615
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
616 c0 = ngx_toupper(c[0]);
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
617 c1 = ngx_toupper(c[1]);
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
618 c2 = ngx_toupper(c[2]);
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
619 c3 = ngx_toupper(c[3]);
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
620
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
621 if (c0 == 'H' && c1 == 'E' && c2 == 'L' && c3 == 'O')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
622 {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
623 s->command = NGX_SMTP_HELO;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
624
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
625 } else if (c0 == 'E' && c1 == 'H' && c2 == 'L' && c3 == 'O')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
626 {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
627 s->command = NGX_SMTP_EHLO;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
628
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
629 } else if (c0 == 'Q' && c1 == 'U' && c2 == 'I' && c3 == 'T')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
630 {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
631 s->command = NGX_SMTP_QUIT;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
632
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
633 } else if (c0 == 'A' && c1 == 'U' && c2 == 'T' && c3 == 'H')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
634 {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
635 s->command = NGX_SMTP_AUTH;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
636
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
637 } else if (c0 == 'N' && c1 == 'O' && c2 == 'O' && c3 == 'P')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
638 {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
639 s->command = NGX_SMTP_NOOP;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
640
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
641 } else if (c0 == 'M' && c1 == 'A' && c2 == 'I' && c3 == 'L')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
642 {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
643 s->command = NGX_SMTP_MAIL;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
644
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
645 } else if (c0 == 'R' && c1 == 'S' && c2 == 'E' && c3 == 'T')
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
646 {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
647 s->command = NGX_SMTP_RSET;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
648
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
649 } else {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
650 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
651 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
652
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
653 } else {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
654 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
655 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
656
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
657 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
658 case ' ':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
659 state = sw_spaces_before_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
660 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
661 case CR:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
662 state = sw_almost_done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
663 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
664 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
665 goto done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
666 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
667 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
668 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
669
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
670 if ((ch < 'A' || ch > 'Z') && (ch < 'a' || ch > 'z')) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
671 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
672 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
673
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
674 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
675
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
676 case sw_spaces_before_argument:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
677 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
678 case ' ':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
679 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
680 case CR:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
681 state = sw_almost_done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
682 s->arg_end = p;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
683 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
684 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
685 s->arg_end = p;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
686 goto done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
687 default:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
688 if (s->args.nelts <= 2) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
689 state = sw_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
690 s->arg_start = p;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
691 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
692 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
693 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
694 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
695 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
696
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
697 case sw_argument:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
698 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
699 case ' ':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
700 case CR:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
701 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
702 arg = ngx_array_push(&s->args);
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
703 if (arg == NULL) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
704 return NGX_ERROR;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
705 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
706 arg->len = p - s->arg_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
707 arg->data = s->arg_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
708 s->arg_start = NULL;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
709
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
710 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
711 case ' ':
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
712 state = sw_spaces_before_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
713 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
714 case CR:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
715 state = sw_almost_done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
716 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
717 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
718 goto done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
719 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
720 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
721
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
722 default:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
723 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
724 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
725 break;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
726
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
727 case sw_almost_done:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
728 switch (ch) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
729 case LF:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
730 goto done;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
731 default:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
732 goto invalid;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
733 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
734 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
735 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
736
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
737 s->buffer->pos = p;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
738 s->state = state;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
739
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
740 return NGX_AGAIN;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
741
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
742 done:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
743
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
744 s->buffer->pos = p + 1;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
745
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
746 if (s->arg_start) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
747 arg = ngx_array_push(&s->args);
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
748 if (arg == NULL) {
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
749 return NGX_ERROR;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
750 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
751 arg->len = s->arg_end - s->arg_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
752 arg->data = s->arg_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
753 s->arg_start = NULL;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
754 }
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
755
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
756 s->state = (s->command != NGX_SMTP_AUTH) ? sw_start : sw_argument;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
757
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
758 return NGX_OK;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
759
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
760 invalid:
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
761
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
762 s->state = sw_start;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
763 s->arg_start = NULL;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
764
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
765 return NGX_MAIL_PARSE_INVALID_COMMAND;
f745bf973510 nginx 0.5.15
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
766 }