Mercurial > hg > nginx
view src/imap/ngx_imap_parse.c @ 455:295d97d70c69 release-0.1.2
nginx-0.1.2-RELEASE import
*) Feature: the --user=USER, --group=GROUP, and --with-ld-opt=OPTIONS
options in configure.
*) Feature: the server_name directive supports *.domain.tld.
*) Bugfix: the portability improvements.
*) Bugfix: if configuration file was set in command line, the
reconfiguration was impossible; the bug had appeared in 0.1.1.
*) Bugfix: proxy module may get caught in an endless loop when sendfile
is not used.
*) Bugfix: with sendfile the response was not recoded according to the
charset module directives; the bug had appeared in 0.1.1.
*) Bugfix: very seldom bug in the kqueue processing.
*) Bugfix: the gzip module compressed the proxied responses that was
already compressed.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 21 Oct 2004 15:34:38 +0000 |
parents | 42d11f017717 |
children | d4ea69372b94 |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> #include <ngx_imap.h> ngx_int_t ngx_pop3_parse_command(ngx_imap_session_t *s) { u_char ch, *p, *c; ngx_str_t *arg; enum { sw_start = 0, sw_spaces_before_argument, sw_argument, sw_almost_done, sw_done } state; state = s->state; p = s->buffer->pos; while (p < s->buffer->last && state < sw_done) { ch = *p++; switch (state) { /* POP3 command */ case sw_start: if (ch == ' ' || ch == CR || ch == LF) { c = s->buffer->start; if (p - 1 - c == 4) { if (c[0] == 'U' && c[1] == 'S' && c[2] == 'E' && c[3] == 'R') { s->command = NGX_POP3_USER; } else if (c[0] == 'P' && c[1] == 'A' && c[2] == 'S' && c[3] == 'S') { s->command = NGX_POP3_PASS; } else if (c[0] == 'Q' && c[1] == 'U' && c[2] == 'I' && c[3] == 'T') { s->command = NGX_POP3_QUIT; #if 0 } else if (c[0] == 'N' && c[1] == 'O' && c[2] == 'O' && c[3] == 'P') { s->command = NGX_POP3_NOOP; #endif } else { s->state = sw_start; return NGX_IMAP_PARSE_INVALID_COMMAND; } } else { s->state = sw_start; return NGX_IMAP_PARSE_INVALID_COMMAND; } switch (ch) { case ' ': state = sw_spaces_before_argument; break; case CR: state = sw_almost_done; break; case LF: state = sw_done; break; } break; } if (ch < 'A' || ch > 'Z') { s->state = sw_start; return NGX_IMAP_PARSE_INVALID_COMMAND; } break; /* the spaces before the argument */ case sw_spaces_before_argument: switch (ch) { case ' ': break; case CR: state = sw_almost_done; s->arg_end = p - 1; break; case LF: state = sw_done; s->arg_end = p - 1; break; default: if (s->args.nelts > 2) { s->state = sw_start; return NGX_IMAP_PARSE_INVALID_COMMAND; } state = sw_argument; s->arg_start = p - 1; break; } break; /* the argument */ case sw_argument: switch (ch) { case ' ': case CR: case LF: if (!(arg = ngx_array_push(&s->args))) { return NGX_ERROR; } arg->len = p - 1 - s->arg_start; arg->data = s->arg_start; s->arg_start = NULL; switch (ch) { case ' ': state = sw_spaces_before_argument; break; case CR: state = sw_almost_done; break; case LF: state = sw_done; break; } break; default: break; } break; /* end of request line */ case sw_almost_done: switch (ch) { case LF: state = sw_done; break; default: s->state = sw_start; return NGX_IMAP_PARSE_INVALID_COMMAND; } break; /* suppress warning */ case sw_done: break; } } s->buffer->pos = p; if (state == sw_done) { if (s->arg_start) { if (!(arg = ngx_array_push(&s->args))) { return NGX_ERROR; } arg->len = s->arg_end - s->arg_start; arg->data = s->arg_start; s->arg_start = NULL; } s->state = sw_start; return NGX_OK; } else { s->state = state; return NGX_AGAIN; } }