{"id":364,"date":"2014-02-14T10:52:01","date_gmt":"2014-02-14T02:52:01","guid":{"rendered":"http:\/\/www.zyuns.com\/?p=364"},"modified":"2015-02-15T20:46:33","modified_gmt":"2015-02-15T12:46:33","slug":"php-er-jin-zhi-shang-chuan-tu-pian-and-zai-ba-er-jin-zhi-zhuan-huan-cheng-tu-pian-xiang-xi-jie-shao-an-li","status":"publish","type":"post","link":"https:\/\/www.siediyer.cn\/?p=364","title":{"rendered":"PHP\u4e8c\u8fdb\u5236\u4e0a\u4f20\u56fe\u7247 AND \u518d\u628a\u4e8c\u8fdb\u5236\u8f6c\u6362\u6210\u56fe\u7247\u8be6\u7ec6\u4ecb\u7ecd(\u6848\u4f8b)"},"content":{"rendered":"

\u4eca\u5929\u7814\u7a76\u4e86\u4e0b\u56fe\u7247\u4e8c\u8fdb\u5236\u4e0a\u4f20\u3001\u8f6c\u6362\u95ee\u9898\uff0c\u5728\u767e\u5ea6\u3001360so\u3001\u8c37\u6b4c\u90fd\u641c\u4e86\u4e0b\uff0c\u770b\u4e86\u4e0d\u4e0b\u5341\u51e0\u7bc7\u5185\u5bb9\uff0c\u90fd\u5927\u5dee\u4e0d\u5927 \u6284\u88ad\u5c45\u591a\uff0c\u4f46\u5b8c\u6574\u7684\u89e3\u51b3\u95ee\u9898\u7684\u5185\u5bb9\u6ca1\u8bfb\u5230\uff0c\u4e5f\u6d6a\u8d39\u4e86\u6211\u5927\u628a\u7684\u65f6\u95f4\u3002\u6240\u4ee5\u6253\u7b97\u6574\u7406\u597d\u5199\u51fa\u6765\uff0c\u563f\u563f\uff01<\/p>\n

<\/a>\u00a0 \u00a0\u4e8c\u8fdb\u5236\u4e0a\u4f20\u56fe\u7247\u4ecb\u7ecd\/\u6848\u4f8b<\/h1>\n
<\/div>\n
1\u3001fopen\u51fd\u6570\u3002<\/strong>
\nfopen()\u51fd\u6570\u7528\u4e8e\u6253\u5f00\u6587\u4ef6\u6216\u8005URL\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a
\nint fopen(string filename, string mode);
\n\u5b57\u7b26\u4e32\u53c2\u6570mode\u53ef\u4ee5\u662f\u4e0b\u5217\u7684\u60c5\u5f62\uff1a
\n\u201cr\u201d\u5f00\u6587\u4ef6\u65b9\u5f0f\u4e3a\u53ea\u8bfb\uff0c\u6587\u4ef6\u6307\u9488\u6307\u5230\u5f00\u59cb\u5904\u3002
\n\u201cr+\u201d\u5f00\u6587\u4ef6\u65b9\u5f0f\u4e3a\u53ef\u8bfb\u5199\uff0c\u6587\u4ef6\u6307\u9488\u6307\u5230\u5f00\u59cb\u5904\u3002
\n\u201cw\u201d\u5f00\u6587\u4ef6\u65b9\u5f0f\u4e3a\u5199\u5165\uff0c\u6587\u4ef6\u6307\u9488\u6307\u5230\u5f00\u59cb\u5904\uff0c\u5e76\u5c06\u539f\u6587\u4ef6\u7684\u957f\u5ea6\u8bbe\u4e3a0\u3002\u82e5\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u5219\u5efa\u7acb\u65b0\u6587\u4ef6\u3002
\n\u201cw+\u201d\u5f00\u6587\u4ef6\u65b9\u5f0f\u4e3a\u53ef\u8bfb\u5199\uff0c\u6587\u4ef6\u6307\u9488\u6307\u5230\u5f00\u59cb\u5904\uff0c\u5e76\u5c06\u539f\u6587\u4ef6\u7684\u957f\u5ea6\u8bbe\u4e3a0\u3002\u82e5\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u5219\u5efa\u7acb\u65b0\u6587\u4ef6\u3002
\n\u201ca\u201d\u5f00\u6587\u4ef6\u65b9\u5f0f\u4e3a\u5199\u5165\uff0c\u6587\u4ef6\u6307\u9488\u6307\u5230\u6587\u4ef6\u6700\u540e\u3002\u82e5\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u5219\u5efa\u7acb\u65b0\u6587\u4ef6\u3002
\n\u201ca+\u201d\u5f00\u6587\u4ef6\u65b9\u5f0f\u4e3a\u53ef\u8bfb\u5199\uff0c\u6587\u4ef6\u6307\u9488\u6307\u5230\u6587\u4ef6\u6700\u540e\u3002\u82e5\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u5219\u5efa\u7acb\u65b0\u6587\u4ef6\u3002
\n\u201cb\u201d\u82e5\u64cd\u4f5c\u7cfb\u7edf\u7684\u6587\u5b57\u53ca\u4e8c\u8fdb\u4f4d\u6587\u4ef6\u4e0d\u540c\uff0c\u5219\u53ef\u4ee5\u7528\u6b64\u53c2\u6570\uff0cUNIX\u7cfb\u7edf\u4e0d\u9700\u8981\u4f7f\u7528\u672c\u53c2\u6570\u3002
\n2\u3001Addslashes\u51fd\u6570\u3002<\/strong>
\nAddslashes\u51fd\u6570\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u52a0\u5165\u659c\u7ebf\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a\u3010\u6ce8\uff1a\u6211\u6d4b\u8bd5\u7684\u65f6\u5019\u662f\u628a\u8fd9\u4e2a\u51fd\u6570\u53bb\u6389\u540e\u6210\u529f\u4e86\uff0c\u9053\u7406\u4f60\u61c2\u7684\u3002\u81ea\u5df1\u8bd5\u4e0b\u5c31\u660e\u767d\u4e86\u3011
\nstring addslashes(string str);
\n\u8be5\u51fd\u6570\u4f7f\u9700\u8981\u8ba9\u6570\u636e\u5e93\u5904\u7406\u7684\u5b57\u7b26\u4e32\uff0c\u5f15\u53f7\u7684\u90e8\u4efd\u52a0\u4e0a\u659c\u7ebf\uff0c\u4ee5\u4f9b\u6570\u636e\u5e93\u67e5\u8be2\uff08query\uff09\u80fd\u987a\u5229\u8fd0\u4f5c\u3002\u8fd9\u4e9b\u4f1a\u88ab\u6539\u7684\u5b57\u7b26\u5305\u62ec\u5355\u5f15\u53f7\uff08’\uff09\u3001\u53cc\u5f15\u53f7\uff08”\uff09\u3001\u53cd\u659c\u7ebfbackslash\uff08\uff09\u4ee5\u53ca\u7a7a\u5b57\u7b26NULL\uff08the null byte\uff09\u3002
\n3\u3001fread\u51fd\u6570\u3002<\/strong>
\nfread\u51fd\u6570\u7528\u4e8e\u8bfb\u5230\u6307\u5b9a\u957f\u5ea6\u7684\u4f4d\u7ec4\u6216\u5230\u6587\u4ef6\u5c3eEOF\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a
\nstring fread(int fp, int length);\u53ef\u5b89\u5168\u7528\u4e8e\u4e8c\u8fdb\u5236\u6587\u4ef6<\/div>\n
fread() \u4ece\u6587\u4ef6\u6307\u9488 file \u8bfb\u53d6\u6700\u591a length \u4e2a\u5b57\u8282\u3002\u8be5\u51fd\u6570\u5728\u8bfb\u53d6\u5b8c\u6700\u591a length \u4e2a\u5b57\u8282\u6570\uff0c\u6216\u5230\u8fbe EOF \u7684\u65f6\u5019\uff0c\u6216\uff08\u5bf9\u4e8e\u7f51\u7edc\u6d41\uff09\u5f53\u4e00\u4e2a\u5305\u53ef\u7528\u65f6\uff0c\u6216\uff08\u5728\u6253\u5f00\u7528\u6237\u7a7a\u95f4\u6d41\u4e4b\u540e\uff09\u5df2\u8bfb\u53d6\u4e86 8192 \u4e2a\u5b57\u8282\u65f6\u5c31\u4f1a\u505c\u6b62\u8bfb\u53d6\u6587\u4ef6\uff0c\u89c6\u4e4e\u5148\u78b0\u5230\u54ea\u79cd\u60c5\u51b5\u3002<\/div>\n
\u4ee3\u7801\u7247\u6bb5\uff1a<\/div>\n
\n
$image=$_FILES['file'];\n$fp=fopen($image['name'],\"r\");\/\/ $image['name']\u56fe\u7247\u8def\u5f84 \uff0c\u6211\u7b80\u5355\u6d4b\u8bd5 \u653e\u5728\u6839\u76ee\u5f55\u4e86\uff0c\u6b63\u5f0f\u4f7f\u7528\u65f6\u8bf7\u66f4\u6362\u6210\u6b63\u786e\u7684\u8def\u5f84\n$file=fread($fp,filesize($image['name']));<\/pre>\n
 <\/p>\n
\u4ee5\u4e0a\u7684$file\u5df2\u7ecf\u662f\u4e8c\u8fdb\u5236\u6570\u636e\u4e86\uff0c\u4f60\u60f3\u600e\u4e48\u7cdf\u8e4b\u5c31\u600e\u4e48\u7cdf\u8e4b\uff0c\u6bd4\u5982\uff1a\u4e22\u5230\u6570\u636e\u5e93\uff0c\u62fd\u5230\u98de\u673a\u4e0a\uff0c\u62c9\u5230\u706b\u8f66\u4e0a\uff0c\u63a8\u5230\u5e8a\u4e0a… \u53ea\u6709\u4f60\u60f3\u4e0d\u5230\uff0c\u6ca1\u6709\u4f60\u505a\u4e0d\u5230\u3002<\/div>\n
<\/div>\n
<\/a>\u4e8c\u8fdb\u5236\u8f6c\u6362\u6210\u56fe\u7247<\/h1>\n
\u6ce8\uff1a$newFilePath \u5bf9\u751f\u6210\u7684\u56fe\u7247\u540d\u548c\u8def\u5f84\u505a\u5904\u7406\uff0c\u8fd9\u91cc\u81ea\u5df1\u53bb\u5b9e\u73b0\u3002<\/div>\n
\n
$newFilePath='1.jpg';\n$data = $GLOBALS[HTTP_RAW_POST_DATA];\/\/\u5f97\u5230post\u8fc7\u6765\u7684\u4e8c\u8fdb\u5236\u539f\u59cb\u6570\u636e\nif(empty($data)){\n  $data=file_get_contents(\"php:\/\/input\");\n}\n$newFile = fopen($newFilePath,\"w\");\/\/\u6253\u5f00\u6587\u4ef6\u51c6\u5907\u5199\u5165\nfwrite($newFile,$data);\/\/\u5199\u5165\u4e8c\u8fdb\u5236\u6d41\u5230\u6587\u4ef6\nfclose($newFile);\/\/\u5173\u95ed\u6587\u4ef6<\/pre>\n
 <\/p>\n
\u83b7\u53d6\u4e8c\u8fdb\u5236\u5934\u6587\u4ef6\uff0c\u4ece\u800c\u5f97\u77e5\u5c5e\u4e8e\u4ec0\u4e48\u7c7b\u578b\u6587\u4ef6<\/h1>\n
$bin = substr($content,0,2);\n\t$strInfo = @unpack(\"C2chars\", $bin);\n\t$typeCode = intval($strInfo['chars1'].$strInfo['chars2']);\n\t$fileType = '';\n\tswitch ($typeCode)\n\t{\n\t\tcase 7790:\n\t\t\t$fileType = 'exe';\n\t\t\tbreak;\n\t\tcase 7784:\n\t\t\t$fileType = 'midi';\n\t\t\tbreak;\n\t\tcase 8297:\n\t\t\t$fileType = 'rar';\n\t\t\tbreak;\n\t\tcase 255216:\n\t\t\t$fileType = 'jpg';\n\t\t\tbreak;\n\t\tcase 7173:\n\t\t\t$fileType = 'gif';\n\t\t\tbreak;\n\t\tcase 6677:\n\t\t\t$fileType = 'bmp';\n\t\t\tbreak;\n\t\tcase 13780:\n\t\t\t$fileType = 'png';\n\t\t\tbreak;\n\t\tdefault:\n\t\t\techo 'unknown';\n\t}<\/pre>\n
 <\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u4eca\u5929\u7814\u7a76\u4e86\u4e0b\u56fe\u7247\u4e8c\u8fdb\u5236\u4e0a\u4f20\u3001\u8f6c\u6362\u95ee\u9898\uff0c\u5728\u767e\u5ea6\u3001360so\u3001\u8c37\u6b4c\u90fd\u641c\u4e86\u4e0b\uff0c\u770b\u4e86\u4e0d\u4e0b\u5341\u51e0\u7bc7\u5185\u5bb9\uff0c\u90fd\u5927\u5dee\u4e0d\u5927 \u6284\u88ad\u5c45 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-364","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/posts\/364","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=364"}],"version-history":[{"count":1,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/posts\/364\/revisions"}],"predecessor-version":[{"id":418,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=\/wp\/v2\/posts\/364\/revisions\/418"}],"wp:attachment":[{"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.siediyer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}