Mercurial > hg > nginx-vendor-0-8
view src/os/unix/ngx_user.c @ 57:5df375c55338
Added tag NGINX_0_1_28 for changeset 3050baa54a26
author | Igor Sysoev <http://sysoev.ru> |
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date | Fri, 08 Apr 2005 00:00:00 +0400 |
parents | bcb5fce0b038 |
children | b55cbf18157e |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> /* * Solaris has thread-safe crypt() * Linux has crypt_r(); "struct crypt_data" is more than 128K * FreeBSD needs the mutex to protect crypt() * * TODO: * ngx_crypt_init() to init mutex */ #if (NGX_CRYPT) #if (NGX_LINUX) ngx_int_t ngx_crypt(ngx_pool_t *pool, u_char *key, u_char *salt, u_char **encrypted) { char *value; size_t len; struct crypt_data cd; value = crypt_r((char *) key, (char *) salt, &cd); if (value) { len = ngx_strlen(value); *encrypted = ngx_palloc(pool, len); if (*encrypted) { ngx_memcpy(*encrypted, value, len + 1); return NGX_OK; } } return NGX_ERROR; } #else ngx_int_t ngx_crypt(ngx_pool_t *pool, u_char *key, u_char *salt, u_char **encrypted) { char *value; size_t len; ngx_int_t rc; #if (NGX_THREADS && NGX_NONREENTRANT_CRYPT) /* crypt() is a time consuming funtion, so we only try to lock */ if (ngx_mutex_trylock(ngx_crypt_mutex) != NGX_OK) { return NGX_AGAIN; } #endif rc = NGX_ERROR; value = crypt((char *) key, (char *) salt); if (value) { len = ngx_strlen(value); *encrypted = ngx_palloc(pool, len); if (*encrypted) { ngx_memcpy(*encrypted, value, len + 1); rc = NGX_OK; } } #if (NGX_THREADS && NGX_NONREENTRANT_CRYPT) ngx_mutex_unlock(ngx_crypt_mutex); #endif return rc; } #endif #endif /* NGX_CRYPT */