Mercurial > hg > nginx-quic
view src/os/unix/ngx_darwin_init.c @ 4162:fb1375e8b68c stable-1.0
Merging r4036, r4055, r4056, r4057, r4058, r4059, r4060, r4061, r4062, r4063,
r4064:
Ranges related fixes:
The "max_ranges" directive.
"max_ranges 0" disables ranges support at all,
"max_ranges 1" allows the single range, etc.
By default number of ranges is unlimited, to be precise, 2^31-1.
If client requests more ranges than "max_ranges" permits,
nginx disables ranges and returns just the source response.
If total size of all ranges is greater than source response size,
then nginx disables ranges and returns just the source response.
This fix should not affect well-behaving applications but will defeat
DoS attempts exploiting malicious byte ranges.
Now unsatisfiable ranges are processed according to RFC 2616.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Fri, 30 Sep 2011 14:06:08 +0000 |
parents | 22b05d177dc6 |
children | 1b779cb69dc8 710e35d17c28 |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> char ngx_darwin_kern_ostype[16]; char ngx_darwin_kern_osrelease[128]; int ngx_darwin_hw_ncpu; int ngx_darwin_kern_ipc_somaxconn; u_long ngx_darwin_net_inet_tcp_sendspace; static ngx_os_io_t ngx_darwin_io = { ngx_unix_recv, ngx_readv_chain, ngx_udp_unix_recv, ngx_unix_send, #if (NGX_HAVE_SENDFILE) ngx_darwin_sendfile_chain, NGX_IO_SENDFILE #else ngx_writev_chain, 0 #endif }; typedef struct { char *name; void *value; size_t size; ngx_uint_t exists; } sysctl_t; sysctl_t sysctls[] = { { "hw.ncpu", &ngx_darwin_hw_ncpu, sizeof(ngx_darwin_hw_ncpu), 0 }, { "net.inet.tcp.sendspace", &ngx_darwin_net_inet_tcp_sendspace, sizeof(ngx_darwin_net_inet_tcp_sendspace), 0 }, { "kern.ipc.somaxconn", &ngx_darwin_kern_ipc_somaxconn, sizeof(ngx_darwin_kern_ipc_somaxconn), 0 }, { NULL, NULL, 0, 0 } }; ngx_int_t ngx_os_specific_init(ngx_log_t *log) { int somaxconn; size_t size; ngx_err_t err; ngx_uint_t i; size = sizeof(ngx_darwin_kern_ostype); if (sysctlbyname("kern.ostype", ngx_darwin_kern_ostype, &size, NULL, 0) == -1) { err = ngx_errno; if (err != NGX_ENOENT) { ngx_log_error(NGX_LOG_ALERT, log, err, "sysctlbyname(kern.ostype) failed"); if (err != NGX_ENOMEM) { return NGX_ERROR; } ngx_darwin_kern_ostype[size - 1] = '\0'; } } size = sizeof(ngx_darwin_kern_osrelease); if (sysctlbyname("kern.osrelease", ngx_darwin_kern_osrelease, &size, NULL, 0) == -1) { err = ngx_errno; if (err != NGX_ENOENT) { ngx_log_error(NGX_LOG_ALERT, log, err, "sysctlbyname(kern.osrelease) failed"); if (err != NGX_ENOMEM) { return NGX_ERROR; } ngx_darwin_kern_osrelease[size - 1] = '\0'; } } for (i = 0; sysctls[i].name; i++) { size = sysctls[i].size; if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0) == 0) { sysctls[i].exists = 1; continue; } err = ngx_errno; if (err == NGX_ENOENT) { continue; } ngx_log_error(NGX_LOG_ALERT, log, err, "sysctlbyname(%s) failed", sysctls[i].name); return NGX_ERROR; } ngx_ncpu = ngx_darwin_hw_ncpu; somaxconn = 32676; if (ngx_darwin_kern_ipc_somaxconn > somaxconn) { ngx_log_error(NGX_LOG_ALERT, log, 0, "sysctl kern.ipc.somaxconn must be no more than %d", somaxconn); return NGX_ERROR; } ngx_tcp_nodelay_and_tcp_nopush = 1; ngx_os_io = ngx_darwin_io; return NGX_OK; } void ngx_os_specific_status(ngx_log_t *log) { u_long value; ngx_uint_t i; if (ngx_darwin_kern_ostype[0]) { ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s", ngx_darwin_kern_ostype, ngx_darwin_kern_osrelease); } for (i = 0; sysctls[i].name; i++) { if (sysctls[i].exists) { if (sysctls[i].size == sizeof(long)) { value = *(long *) sysctls[i].value; } else { value = *(int *) sysctls[i].value; } ngx_log_error(NGX_LOG_NOTICE, log, 0, "%s: %l", sysctls[i].name, value); } } }