diff options
-rw-r--r-- | lib/ftp.c | 50 |
1 files changed, 31 insertions, 19 deletions
@@ -1269,21 +1269,24 @@ CURLcode ftp_use_pasv(struct connectdata *conn) LPSV is RFC1639, expect: 228 Entering Long Passive Mode (4,4,a1,a2,a3,a4,2,p1,p2) - (Is this actually supported *anywhere*?) EPSV is RFC2428, expect: 229 Entering Extended Passive Mode (|||port|) */ +#if 1 + const char *mode[] = { "EPSV", "PASV", NULL }; + int results[] = { 229, 227, 0 }; +#else #if 0 - /* no support for IPv6 passive mode yet */ char *mode[] = { "EPSV", "LPSV", "PASV", NULL }; int results[] = { 229, 228, 227, 0 }; #else const char *mode[] = { "PASV", NULL }; int results[] = { 227, 0 }; #endif +#endif int modeoff; unsigned short connectport; /* the local port connect() should use! */ unsigned short newport; /* remote port, not necessary the local one */ @@ -1292,15 +1295,17 @@ CURLcode ftp_use_pasv(struct connectdata *conn) /* newhost must be able to hold a full IP-style address in ASCII, which in the IPv6 case means 5*8-1 = 39 letters */ char newhost[48]; + char *newhostp=NULL; for (modeoff = 0; mode[modeoff]; modeoff++) { - FTPSENDF(conn, mode[modeoff], ""); + result = Curl_ftpsendf(conn, mode[modeoff]); + if(result) + return result; nread = Curl_GetFTPResponse(buf, conn, &ftpcode); if(nread < 0) return CURLE_OPERATION_TIMEOUTED; - - if (ftpcode == results[modeoff]) - break; + if (ftpcode == results[modeoff]) + break; } if (!mode[modeoff]) { @@ -1337,13 +1342,10 @@ CURLcode ftp_use_pasv(struct connectdata *conn) } sprintf(newhost, "%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]); + newhostp = newhost; newport = (port[0]<<8) + port[1]; - - /* we should compare to see if this is the same IP like the one - we're already connected to, as then we can skip the name function - call below, in similar style that we do for the EPSV reply */ } -#if 0 +#if 1 else if (229 == results[modeoff]) { char *ptr = strchr(buf, '('); if(ptr) { @@ -1360,7 +1362,7 @@ CURLcode ftp_use_pasv(struct connectdata *conn) newport = num; /* we should use the same host we already are connected to */ - addr = conn->hostaddr; + newhostp = conn->name; } else ptr=NULL; @@ -1384,9 +1386,9 @@ CURLcode ftp_use_pasv(struct connectdata *conn) connectport = (unsigned short)conn->port; /* we connect to the proxy's port */ } - else if(!addr) { + else { /* normal, direct, ftp connection */ - addr = Curl_getaddrinfo(data, newhost, newport, &hostdataptr); + addr = Curl_getaddrinfo(data, newhostp, newport, &hostdataptr); if(!addr) { failf(data, "Can't resolve new host %s", newhost); return CURLE_FTP_CANT_GET_HOST; @@ -1719,22 +1721,32 @@ CURLcode ftp_perform(struct connectdata *conn) (data->set.ftp_list_only?"NLST":"LIST")); } else { + ssize_t foundsize; + /* Set type to binary (unless specified ASCII) */ result = ftp_transfertype(conn, data->set.ftp_ascii); if(result) return result; + /* Attempt to get the size, it'll be useful in some cases: for resumed + downloads and when talking to servers that don't give away the size + in the RETR response line. */ + result = ftp_getsize(conn, ftp->file, &foundsize); + if(CURLE_OK == result) + downloadsize = foundsize; + if(conn->resume_from) { /* Daniel: (August 4, 1999) * * We start with trying to use the SIZE command to figure out the size * of the file we're gonna get. If we can get the size, this is by far - * the best way to know if we're trying to resume beyond the EOF. */ - ssize_t foundsize; - - result = ftp_getsize(conn, ftp->file, &foundsize); - + * the best way to know if we're trying to resume beyond the EOF. + * + * Daniel, November 28, 2001. We *always* get the size on downloads + * now, so it is done before this even when not doing resumes. I saved + * the comment above for nostalgical reasons! ;-) + */ if(CURLE_OK != result) { infof(data, "ftp server doesn't support SIZE\n"); /* We couldn't get the size and therefore we can't know if there |