X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Fcomstack.c;h=ba1cad329fcf69bdb466c5603923642bb0b279ba;hb=0a7d4354288c747883261e9f430a7e0069225a5b;hp=96b841ca38dbd0d38e368ac7932f87350954a4ab;hpb=aa8b9d245d1ff378c907669a350a4e484b35eac5;p=yaz-moved-to-github.git diff --git a/src/comstack.c b/src/comstack.c index 96b841c..ba1cad3 100644 --- a/src/comstack.c +++ b/src/comstack.c @@ -2,7 +2,7 @@ * Copyright (c) 1995-2004, Index Data * See the file LICENSE for details. * - * $Id: comstack.c,v 1.5 2004-02-19 23:20:44 adam Exp $ + * $Id: comstack.c,v 1.10 2004-05-03 09:00:50 adam Exp $ */ #include @@ -101,8 +101,8 @@ COMSTACK cs_create_host(const char *type_and_host, int blocking, void **vp) { t = tcpip_type; host = type_and_host + 5; - if (host[0] == '/' && host[1] == '/') - host = host + 2; + while (host[0] == '/') + host++; proto = PROTO_HTTP; } else if (strncmp(type_and_host, "https:", 6) == 0) @@ -110,8 +110,8 @@ COMSTACK cs_create_host(const char *type_and_host, int blocking, void **vp) #if HAVE_OPENSSL_SSL_H t = ssl_type; host = type_and_host + 6; - if (host[0] == '/' && host[1] == '/') - host = host + 2; + while (host[0] == '/') + host++; proto = PROTO_HTTP; #else return 0; @@ -121,7 +121,6 @@ COMSTACK cs_create_host(const char *type_and_host, int blocking, void **vp) { t = tcpip_type; host = type_and_host; - } cs = cs_create (t, blocking, proto); if (!cs) @@ -164,7 +163,7 @@ int cs_complete_auto(const unsigned char *buf, int len) /* inside chunked body .. */ while(1) { - int chunk_len = 0; + int j, chunk_len = 0; i += 2; #if CHUNK_DEBUG /* debugging */ @@ -177,6 +176,7 @@ int cs_complete_auto(const unsigned char *buf, int len) printf (">>>\n"); } #endif + /* read chunk length */ while (1) if (i >= len-2) { #if CHUNK_DEBUG @@ -196,32 +196,41 @@ int cs_complete_auto(const unsigned char *buf, int len) (buf[i++] - ('a'-10)); else break; - if (buf[i] != '\r' || buf[i+1] != '\n' || - chunk_len < 0) - return i+2; /* bad. stop now */ + /* move forward until CRLF - skip chunk ext */ + j = 0; + while (buf[i] != '\r' && buf[i+1] != '\n') + { + if (i >= len-2) + return 0; /* need more buffer .. */ + if (++j > 1000) + return i; /* enough.. stop */ + i++; + } + /* got CRLF */ #if CHUNK_DEBUG printf ("XXXXXX chunk_len=%d\n", chunk_len); #endif + if (chunk_len < 0) + return i+2; /* bad chunk_len */ if (chunk_len == 0) - { - /* consider trailing headers .. */ - while(i <= len-4) - { - if (buf[i] == '\r' && buf[i+1] == '\n' && - buf[i+2] == '\r' && buf[i+3] == '\n') - if (len >= i+4) - return i+4; - i++; - } + break; + i += chunk_len+2; + } + /* consider trailing headers .. */ + while(i <= len-4) + { + if (buf[i] == '\r' && buf[i+1] == '\n' && + buf[i+2] == '\r' && buf[i+3] == '\n') + if (len >= i+4) + return i+4; + i++; + } #if CHUNK_DEBUG /* debugging */ - printf ("XXXXXXXXX not there yet 2\n"); - printf ("i=%d len=%d\n", i, len); + printf ("XXXXXXXXX not there yet 2\n"); + printf ("i=%d len=%d\n", i, len); #endif - return 0; - } - i += chunk_len+2; - } + return 0; } else { /* not chunked ; inside body */ @@ -233,17 +242,17 @@ int cs_complete_auto(const unsigned char *buf, int len) break; } else if (i < len - 20 && - !strncasecmp(buf+i, "Transfer-Encoding:", 18)) + !strncasecmp((const char *) buf+i, "Transfer-Encoding:", 18)) { i+=18; while (buf[i] == ' ') i++; if (i < len - 8) - if (!strncasecmp(buf+i, "chunked", 7)) + if (!strncasecmp((const char *) buf+i, "chunked", 7)) chunked = 1; } else if (i < len - 17 && - !strncasecmp(buf+i, "Content-Length:", 15)) + !strncasecmp((const char *)buf+i, "Content-Length:", 15)) { i+= 15; while (buf[i] == ' ')