Mercurial > hg > nginx-quic
view src/core/ngx_parse.c @ 4005:e56c1e9873cb
Correctly set body if it's preread and there are extra data.
Previously all available data was used as body, resulting in garbage after
real body e.g. in case of pipelined requests. Make sure to use only as many
bytes as request's Content-Length specifies.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Thu, 18 Aug 2011 15:27:57 +0000 |
parents | 9d2bdbda4ee3 |
children | c352c483263c |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> ssize_t ngx_parse_size(ngx_str_t *line) { u_char unit; size_t len; ssize_t size; ngx_int_t scale; len = line->len; unit = line->data[len - 1]; switch (unit) { case 'K': case 'k': len--; scale = 1024; break; case 'M': case 'm': len--; scale = 1024 * 1024; break; default: scale = 1; } size = ngx_atosz(line->data, len); if (size == NGX_ERROR) { return NGX_ERROR; } size *= scale; return size; } off_t ngx_parse_offset(ngx_str_t *line) { u_char unit; off_t offset; size_t len; ngx_int_t scale; len = line->len; unit = line->data[len - 1]; switch (unit) { case 'K': case 'k': len--; scale = 1024; break; case 'M': case 'm': len--; scale = 1024 * 1024; break; case 'G': case 'g': len--; scale = 1024 * 1024 * 1024; break; default: scale = 1; } offset = ngx_atoof(line->data, len); if (offset == NGX_ERROR) { return NGX_ERROR; } offset *= scale; return offset; } ngx_int_t ngx_parse_time(ngx_str_t *line, ngx_uint_t sec) { u_char *p, *last; ngx_int_t value, total, scale; ngx_uint_t max, valid; enum { st_start = 0, st_year, st_month, st_week, st_day, st_hour, st_min, st_sec, st_msec, st_last } step; valid = 0; value = 0; total = 0; step = sec ? st_start : st_month; scale = sec ? 1 : 1000; p = line->data; last = p + line->len; while (p < last) { if (*p >= '0' && *p <= '9') { value = value * 10 + (*p++ - '0'); valid = 1; continue; } switch (*p++) { case 'y': if (step > st_start) { return NGX_ERROR; } step = st_year; max = 68; scale = 60 * 60 * 24 * 365; break; case 'M': if (step > st_year) { return NGX_ERROR; } step = st_month; max = 828; scale = 60 * 60 * 24 * 30; break; case 'w': if (step > st_month) { return NGX_ERROR; } step = st_week; max = 3550; scale = 60 * 60 * 24 * 7; break; case 'd': if (step > st_week) { return NGX_ERROR; } step = st_day; max = 24855; scale = 60 * 60 * 24; break; case 'h': if (step > st_day) { return NGX_ERROR; } step = st_hour; max = 596523; scale = 60 * 60; break; case 'm': if (*p == 's') { if (sec || step > st_sec) { return NGX_ERROR; } p++; step = st_msec; max = 2147483647; scale = 1; break; } if (step > st_hour) { return NGX_ERROR; } step = st_min; max = 35791394; scale = 60; break; case 's': if (step > st_min) { return NGX_ERROR; } step = st_sec; max = 2147483647; scale = 1; break; case ' ': if (step > st_min) { return NGX_ERROR; } step = st_last; max = 2147483647; scale = 1; break; default: return NGX_ERROR; } if (step != st_msec && !sec) { scale *= 1000; max /= 1000; } if ((ngx_uint_t) value > max) { return NGX_ERROR; } total += value * scale; if ((ngx_uint_t) total > 2147483647) { return NGX_ERROR; } value = 0; scale = sec ? 1 : 1000; while (p < last && *p == ' ') { p++; } } if (valid) { return total + value * scale; } return NGX_ERROR; }