[104106] | 1 | /*
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| 2 | * nanoftp.c: basic FTP client support
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| 3 | *
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| 4 | * Reference: RFC 959
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| 5 | */
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| 6 |
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| 7 | #ifdef TESTING
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| 8 | #define STANDALONE
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| 9 | #define HAVE_UNISTD_H
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| 10 | #define HAVE_SYS_SOCKET_H
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| 11 | #define HAVE_NETINET_IN_H
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| 12 | #define HAVE_NETDB_H
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| 13 | #define HAVE_SYS_TIME_H
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| 14 | #endif /* TESTING */
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| 15 |
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| 16 | #define IN_LIBXML
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| 17 | #include "libxml.h"
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| 18 |
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| 19 | #ifdef LIBXML_FTP_ENABLED
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| 20 | #include <string.h>
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| 21 | #include <stdlib.h>
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| 22 | #include <errno.h>
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| 23 |
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| 24 | #ifdef HAVE_UNISTD_H
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| 25 | #include <unistd.h>
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| 26 | #elif defined (_WIN32)
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| 27 | #include <io.h>
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| 28 | #endif
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| 29 | #ifdef HAVE_SYS_SOCKET_H
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| 30 | #include <sys/socket.h>
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| 31 | #endif
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| 32 | #ifdef HAVE_NETINET_IN_H
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| 33 | #include <netinet/in.h>
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| 34 | #endif
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| 35 | #ifdef HAVE_ARPA_INET_H
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| 36 | #include <arpa/inet.h>
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| 37 | #endif
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| 38 | #ifdef HAVE_NETDB_H
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| 39 | #include <netdb.h>
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| 40 | #endif
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| 41 | #ifdef HAVE_FCNTL_H
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| 42 | #include <fcntl.h>
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| 43 | #endif
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| 44 | #ifdef HAVE_SYS_TIME_H
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| 45 | #include <sys/time.h>
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| 46 | #endif
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| 47 | #ifdef HAVE_SYS_SELECT_H
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| 48 | #include <sys/select.h>
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| 49 | #endif
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| 50 | #ifdef HAVE_SYS_SOCKET_H
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| 51 | #include <sys/socket.h>
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| 52 | #endif
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| 53 |
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| 54 | #include <libxml/xmlmemory.h>
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| 55 | #include <libxml/parser.h>
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| 56 | #include <libxml/xmlerror.h>
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| 57 | #include <libxml/uri.h>
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| 58 | #include <libxml/nanoftp.h>
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| 59 |
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| 60 | #include "private/error.h"
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| 61 | #include "private/io.h"
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| 62 |
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| 63 | #if defined(_WIN32)
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| 64 | #include <wsockcompat.h>
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| 65 | #endif
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| 66 |
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| 67 | /**
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| 68 | * A couple portability macros
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| 69 | */
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| 70 | #ifndef _WINSOCKAPI_
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| 71 | #define closesocket(s) close(s)
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| 72 | #endif
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| 73 |
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| 74 | #ifndef XML_SOCKLEN_T
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| 75 | #define XML_SOCKLEN_T unsigned int
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| 76 | #endif
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| 77 |
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| 78 | #define GETHOSTBYNAME_ARG_CAST (char *)
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| 79 | #define SEND_ARG2_CAST (char *)
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| 80 |
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| 81 | #define FTP_COMMAND_OK 200
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| 82 | #define FTP_SYNTAX_ERROR 500
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| 83 | #define FTP_GET_PASSWD 331
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| 84 | #define FTP_BUF_SIZE 1024
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| 85 |
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| 86 | #define XML_NANO_MAX_URLBUF 4096
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| 87 |
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| 88 | typedef struct xmlNanoFTPCtxt {
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| 89 | char *protocol; /* the protocol name */
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| 90 | char *hostname; /* the host name */
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| 91 | int port; /* the port */
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| 92 | char *path; /* the path within the URL */
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| 93 | char *user; /* user string */
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| 94 | char *passwd; /* passwd string */
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| 95 | #ifdef SUPPORT_IP6
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| 96 | struct sockaddr_storage ftpAddr; /* this is large enough to hold IPv6 address*/
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| 97 | #else
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| 98 | struct sockaddr_in ftpAddr; /* the socket address struct */
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| 99 | #endif
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| 100 | int passive; /* currently we support only passive !!! */
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| 101 | SOCKET controlFd; /* the file descriptor for the control socket */
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| 102 | SOCKET dataFd; /* the file descriptor for the data socket */
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| 103 | int state; /* WRITE / READ / CLOSED */
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| 104 | int returnValue; /* the protocol return value */
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| 105 | /* buffer for data received from the control connection */
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| 106 | char controlBuf[FTP_BUF_SIZE + 1];
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| 107 | int controlBufIndex;
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| 108 | int controlBufUsed;
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| 109 | int controlBufAnswer;
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| 110 | } xmlNanoFTPCtxt, *xmlNanoFTPCtxtPtr;
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| 111 |
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| 112 | static int initialized = 0;
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| 113 | static char *proxy = NULL; /* the proxy name if any */
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| 114 | static int proxyPort = 0; /* the proxy port if any */
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| 115 | static char *proxyUser = NULL; /* user for proxy authentication */
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| 116 | static char *proxyPasswd = NULL;/* passwd for proxy authentication */
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| 117 | static int proxyType = 0; /* uses TYPE or a@b ? */
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| 118 |
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| 119 | #ifdef SUPPORT_IP6
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| 120 | static
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| 121 | int have_ipv6(void) {
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| 122 | int s;
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| 123 |
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| 124 | s = socket (AF_INET6, SOCK_STREAM, 0);
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| 125 | if (s != -1) {
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| 126 | close (s);
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| 127 | return (1);
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| 128 | }
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| 129 | return (0);
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| 130 | }
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| 131 | #endif
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| 132 |
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| 133 | /**
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| 134 | * xmlFTPErrMemory:
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| 135 | * @extra: extra information
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| 136 | *
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| 137 | * Handle an out of memory condition
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| 138 | */
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| 139 | static void
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| 140 | xmlFTPErrMemory(const char *extra)
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| 141 | {
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| 142 | __xmlSimpleError(XML_FROM_FTP, XML_ERR_NO_MEMORY, NULL, NULL, extra);
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| 143 | }
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| 144 |
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| 145 | /**
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| 146 | * xmlNanoFTPInit:
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| 147 | *
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| 148 | * Initialize the FTP protocol layer.
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| 149 | * Currently it just checks for proxy information,
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| 150 | * and get the hostname
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| 151 | */
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| 152 |
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| 153 | void
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| 154 | xmlNanoFTPInit(void) {
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| 155 | const char *env;
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| 156 | #ifdef _WINSOCKAPI_
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| 157 | WSADATA wsaData;
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| 158 | #endif
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| 159 |
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| 160 | if (initialized)
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| 161 | return;
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| 162 |
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| 163 | #ifdef _WINSOCKAPI_
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| 164 | if (WSAStartup(MAKEWORD(1, 1), &wsaData) != 0)
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| 165 | return;
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| 166 | #endif
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| 167 |
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| 168 | proxyPort = 21;
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| 169 | env = getenv("no_proxy");
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| 170 | if (env && ((env[0] == '*' ) && (env[1] == 0)))
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| 171 | return;
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| 172 | env = getenv("ftp_proxy");
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| 173 | if (env != NULL) {
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| 174 | xmlNanoFTPScanProxy(env);
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| 175 | } else {
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| 176 | env = getenv("FTP_PROXY");
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| 177 | if (env != NULL) {
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| 178 | xmlNanoFTPScanProxy(env);
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| 179 | }
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| 180 | }
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| 181 | env = getenv("ftp_proxy_user");
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| 182 | if (env != NULL) {
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| 183 | proxyUser = xmlMemStrdup(env);
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| 184 | }
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| 185 | env = getenv("ftp_proxy_password");
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| 186 | if (env != NULL) {
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| 187 | proxyPasswd = xmlMemStrdup(env);
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| 188 | }
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| 189 | initialized = 1;
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| 190 | }
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| 191 |
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| 192 | /**
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| 193 | * xmlNanoFTPCleanup:
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| 194 | *
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| 195 | * Cleanup the FTP protocol layer. This cleanup proxy information.
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| 196 | */
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| 197 |
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| 198 | void
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| 199 | xmlNanoFTPCleanup(void) {
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| 200 | if (proxy != NULL) {
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| 201 | xmlFree(proxy);
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| 202 | proxy = NULL;
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| 203 | }
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| 204 | if (proxyUser != NULL) {
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| 205 | xmlFree(proxyUser);
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| 206 | proxyUser = NULL;
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| 207 | }
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| 208 | if (proxyPasswd != NULL) {
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| 209 | xmlFree(proxyPasswd);
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| 210 | proxyPasswd = NULL;
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| 211 | }
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| 212 | #ifdef _WINSOCKAPI_
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| 213 | if (initialized)
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| 214 | WSACleanup();
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| 215 | #endif
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| 216 | initialized = 0;
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| 217 | }
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| 218 |
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| 219 | /**
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| 220 | * xmlNanoFTPProxy:
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| 221 | * @host: the proxy host name
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| 222 | * @port: the proxy port
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| 223 | * @user: the proxy user name
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| 224 | * @passwd: the proxy password
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| 225 | * @type: the type of proxy 1 for using SITE, 2 for USER a@b
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| 226 | *
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| 227 | * Setup the FTP proxy information.
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| 228 | * This can also be done by using ftp_proxy ftp_proxy_user and
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| 229 | * ftp_proxy_password environment variables.
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| 230 | */
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| 231 |
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| 232 | void
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| 233 | xmlNanoFTPProxy(const char *host, int port, const char *user,
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| 234 | const char *passwd, int type) {
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| 235 | if (proxy != NULL) {
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| 236 | xmlFree(proxy);
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| 237 | proxy = NULL;
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| 238 | }
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| 239 | if (proxyUser != NULL) {
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| 240 | xmlFree(proxyUser);
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| 241 | proxyUser = NULL;
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| 242 | }
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| 243 | if (proxyPasswd != NULL) {
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| 244 | xmlFree(proxyPasswd);
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| 245 | proxyPasswd = NULL;
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| 246 | }
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| 247 | if (host)
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| 248 | proxy = xmlMemStrdup(host);
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| 249 | if (user)
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| 250 | proxyUser = xmlMemStrdup(user);
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| 251 | if (passwd)
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| 252 | proxyPasswd = xmlMemStrdup(passwd);
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| 253 | proxyPort = port;
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| 254 | proxyType = type;
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| 255 | }
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| 256 |
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| 257 | /**
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| 258 | * xmlNanoFTPScanURL:
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| 259 | * @ctx: an FTP context
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| 260 | * @URL: The URL used to initialize the context
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| 261 | *
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| 262 | * (Re)Initialize an FTP context by parsing the URL and finding
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| 263 | * the protocol host port and path it indicates.
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| 264 | */
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| 265 |
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| 266 | static void
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| 267 | xmlNanoFTPScanURL(void *ctx, const char *URL) {
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| 268 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
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| 269 | xmlURIPtr uri;
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| 270 |
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| 271 | /*
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| 272 | * Clear any existing data from the context
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| 273 | */
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| 274 | if (ctxt->protocol != NULL) {
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| 275 | xmlFree(ctxt->protocol);
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| 276 | ctxt->protocol = NULL;
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| 277 | }
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| 278 | if (ctxt->hostname != NULL) {
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| 279 | xmlFree(ctxt->hostname);
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| 280 | ctxt->hostname = NULL;
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| 281 | }
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| 282 | if (ctxt->path != NULL) {
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| 283 | xmlFree(ctxt->path);
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| 284 | ctxt->path = NULL;
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| 285 | }
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| 286 | if (URL == NULL) return;
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| 287 |
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| 288 | uri = xmlParseURIRaw(URL, 1);
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| 289 | if (uri == NULL)
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| 290 | return;
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| 291 |
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| 292 | if ((uri->scheme == NULL) || (uri->server == NULL)) {
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| 293 | xmlFreeURI(uri);
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| 294 | return;
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| 295 | }
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| 296 |
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| 297 | ctxt->protocol = xmlMemStrdup(uri->scheme);
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| 298 | ctxt->hostname = xmlMemStrdup(uri->server);
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| 299 | if (uri->path != NULL)
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| 300 | ctxt->path = xmlMemStrdup(uri->path);
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| 301 | else
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| 302 | ctxt->path = xmlMemStrdup("/");
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| 303 | if (uri->port != 0)
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| 304 | ctxt->port = uri->port;
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| 305 |
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| 306 | if (uri->user != NULL) {
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| 307 | char *cptr;
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| 308 | if ((cptr=strchr(uri->user, ':')) == NULL)
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| 309 | ctxt->user = xmlMemStrdup(uri->user);
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| 310 | else {
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| 311 | ctxt->user = (char *)xmlStrndup((xmlChar *)uri->user,
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| 312 | (cptr - uri->user));
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| 313 | ctxt->passwd = xmlMemStrdup(cptr+1);
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| 314 | }
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| 315 | }
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| 316 |
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| 317 | xmlFreeURI(uri);
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| 318 |
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| 319 | }
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| 320 |
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| 321 | /**
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| 322 | * xmlNanoFTPUpdateURL:
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| 323 | * @ctx: an FTP context
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| 324 | * @URL: The URL used to update the context
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| 325 | *
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| 326 | * Update an FTP context by parsing the URL and finding
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| 327 | * new path it indicates. If there is an error in the
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| 328 | * protocol, hostname, port or other information, the
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| 329 | * error is raised. It indicates a new connection has to
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| 330 | * be established.
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| 331 | *
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| 332 | * Returns 0 if Ok, -1 in case of error (other host).
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| 333 | */
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| 334 |
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| 335 | int
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| 336 | xmlNanoFTPUpdateURL(void *ctx, const char *URL) {
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| 337 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
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| 338 | xmlURIPtr uri;
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| 339 |
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| 340 | if (URL == NULL)
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| 341 | return(-1);
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| 342 | if (ctxt == NULL)
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| 343 | return(-1);
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| 344 | if (ctxt->protocol == NULL)
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| 345 | return(-1);
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| 346 | if (ctxt->hostname == NULL)
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| 347 | return(-1);
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| 348 |
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| 349 | uri = xmlParseURIRaw(URL, 1);
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| 350 | if (uri == NULL)
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| 351 | return(-1);
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| 352 |
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| 353 | if ((uri->scheme == NULL) || (uri->server == NULL)) {
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| 354 | xmlFreeURI(uri);
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| 355 | return(-1);
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| 356 | }
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| 357 | if ((strcmp(ctxt->protocol, uri->scheme)) ||
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| 358 | (strcmp(ctxt->hostname, uri->server)) ||
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| 359 | ((uri->port != 0) && (ctxt->port != uri->port))) {
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| 360 | xmlFreeURI(uri);
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| 361 | return(-1);
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| 362 | }
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| 363 |
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| 364 | if (uri->port != 0)
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| 365 | ctxt->port = uri->port;
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| 366 |
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| 367 | if (ctxt->path != NULL) {
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| 368 | xmlFree(ctxt->path);
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| 369 | ctxt->path = NULL;
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| 370 | }
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| 371 |
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| 372 | if (uri->path == NULL)
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| 373 | ctxt->path = xmlMemStrdup("/");
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| 374 | else
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| 375 | ctxt->path = xmlMemStrdup(uri->path);
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| 376 |
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| 377 | xmlFreeURI(uri);
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| 378 |
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| 379 | return(0);
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| 380 | }
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| 381 |
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| 382 | /**
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| 383 | * xmlNanoFTPScanProxy:
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| 384 | * @URL: The proxy URL used to initialize the proxy context
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| 385 | *
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| 386 | * (Re)Initialize the FTP Proxy context by parsing the URL and finding
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| 387 | * the protocol host port it indicates.
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| 388 | * Should be like ftp://myproxy/ or ftp://myproxy:3128/
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| 389 | * A NULL URL cleans up proxy information.
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| 390 | */
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| 391 |
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| 392 | void
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| 393 | xmlNanoFTPScanProxy(const char *URL) {
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| 394 | xmlURIPtr uri;
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| 395 |
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| 396 | if (proxy != NULL) {
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| 397 | xmlFree(proxy);
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| 398 | proxy = NULL;
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| 399 | }
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| 400 | proxyPort = 0;
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| 401 |
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| 402 | if (URL == NULL) return;
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| 403 |
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| 404 | uri = xmlParseURIRaw(URL, 1);
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| 405 | if ((uri == NULL) || (uri->scheme == NULL) ||
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| 406 | (strcmp(uri->scheme, "ftp")) || (uri->server == NULL)) {
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| 407 | __xmlIOErr(XML_FROM_FTP, XML_FTP_URL_SYNTAX, "Syntax Error\n");
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| 408 | if (uri != NULL)
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| 409 | xmlFreeURI(uri);
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| 410 | return;
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| 411 | }
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| 412 |
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| 413 | proxy = xmlMemStrdup(uri->server);
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| 414 | if (uri->port != 0)
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| 415 | proxyPort = uri->port;
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| 416 |
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| 417 | xmlFreeURI(uri);
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| 418 | }
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| 419 |
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| 420 | /**
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| 421 | * xmlNanoFTPNewCtxt:
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| 422 | * @URL: The URL used to initialize the context
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| 423 | *
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| 424 | * Allocate and initialize a new FTP context.
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| 425 | *
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| 426 | * Returns an FTP context or NULL in case of error.
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| 427 | */
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| 428 |
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| 429 | void*
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| 430 | xmlNanoFTPNewCtxt(const char *URL) {
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| 431 | xmlNanoFTPCtxtPtr ret;
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| 432 | char *unescaped;
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| 433 |
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| 434 | ret = (xmlNanoFTPCtxtPtr) xmlMalloc(sizeof(xmlNanoFTPCtxt));
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| 435 | if (ret == NULL) {
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| 436 | xmlFTPErrMemory("allocating FTP context");
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| 437 | return(NULL);
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| 438 | }
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| 439 |
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| 440 | memset(ret, 0, sizeof(xmlNanoFTPCtxt));
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| 441 | ret->port = 21;
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| 442 | ret->passive = 1;
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| 443 | ret->returnValue = 0;
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| 444 | ret->controlBufIndex = 0;
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| 445 | ret->controlBufUsed = 0;
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| 446 | ret->controlFd = INVALID_SOCKET;
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| 447 |
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| 448 | unescaped = xmlURIUnescapeString(URL, 0, NULL);
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| 449 | if (unescaped != NULL) {
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| 450 | xmlNanoFTPScanURL(ret, unescaped);
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| 451 | xmlFree(unescaped);
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| 452 | } else if (URL != NULL)
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| 453 | xmlNanoFTPScanURL(ret, URL);
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| 454 |
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| 455 | return(ret);
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| 456 | }
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| 457 |
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| 458 | /**
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| 459 | * xmlNanoFTPFreeCtxt:
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| 460 | * @ctx: an FTP context
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| 461 | *
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| 462 | * Frees the context after closing the connection.
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| 463 | */
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| 464 |
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| 465 | void
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| 466 | xmlNanoFTPFreeCtxt(void * ctx) {
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| 467 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 468 | if (ctxt == NULL) return;
|
---|
| 469 | if (ctxt->hostname != NULL) xmlFree(ctxt->hostname);
|
---|
| 470 | if (ctxt->protocol != NULL) xmlFree(ctxt->protocol);
|
---|
| 471 | if (ctxt->path != NULL) xmlFree(ctxt->path);
|
---|
| 472 | if (ctxt->user != NULL) xmlFree(ctxt->user);
|
---|
| 473 | if (ctxt->passwd != NULL) xmlFree(ctxt->passwd);
|
---|
| 474 | ctxt->passive = 1;
|
---|
| 475 | if (ctxt->controlFd != INVALID_SOCKET) closesocket(ctxt->controlFd);
|
---|
| 476 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 477 | ctxt->controlBufIndex = -1;
|
---|
| 478 | ctxt->controlBufUsed = -1;
|
---|
| 479 | xmlFree(ctxt);
|
---|
| 480 | }
|
---|
| 481 |
|
---|
| 482 | /**
|
---|
| 483 | * xmlNanoFTPParseResponse:
|
---|
| 484 | * @buf: the buffer containing the response
|
---|
| 485 | * @len: the buffer length
|
---|
| 486 | *
|
---|
| 487 | * Parsing of the server answer, we just extract the code.
|
---|
| 488 | *
|
---|
| 489 | * returns 0 for errors
|
---|
| 490 | * +XXX for last line of response
|
---|
| 491 | * -XXX for response to be continued
|
---|
| 492 | */
|
---|
| 493 | static int
|
---|
| 494 | xmlNanoFTPParseResponse(char *buf, int len) {
|
---|
| 495 | int val = 0;
|
---|
| 496 |
|
---|
| 497 | if (len < 3) return(-1);
|
---|
| 498 | if ((*buf >= '0') && (*buf <= '9'))
|
---|
| 499 | val = val * 10 + (*buf - '0');
|
---|
| 500 | else
|
---|
| 501 | return(0);
|
---|
| 502 | buf++;
|
---|
| 503 | if ((*buf >= '0') && (*buf <= '9'))
|
---|
| 504 | val = val * 10 + (*buf - '0');
|
---|
| 505 | else
|
---|
| 506 | return(0);
|
---|
| 507 | buf++;
|
---|
| 508 | if ((*buf >= '0') && (*buf <= '9'))
|
---|
| 509 | val = val * 10 + (*buf - '0');
|
---|
| 510 | else
|
---|
| 511 | return(0);
|
---|
| 512 | buf++;
|
---|
| 513 | if (*buf == '-')
|
---|
| 514 | return(-val);
|
---|
| 515 | return(val);
|
---|
| 516 | }
|
---|
| 517 |
|
---|
| 518 | /**
|
---|
| 519 | * xmlNanoFTPGetMore:
|
---|
| 520 | * @ctx: an FTP context
|
---|
| 521 | *
|
---|
| 522 | * Read more information from the FTP control connection
|
---|
| 523 | * Returns the number of bytes read, < 0 indicates an error
|
---|
| 524 | */
|
---|
| 525 | static int
|
---|
| 526 | xmlNanoFTPGetMore(void *ctx) {
|
---|
| 527 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 528 | int len;
|
---|
| 529 | int size;
|
---|
| 530 |
|
---|
| 531 | if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
|
---|
| 532 |
|
---|
| 533 | if ((ctxt->controlBufIndex < 0) || (ctxt->controlBufIndex > FTP_BUF_SIZE)) {
|
---|
| 534 | return(-1);
|
---|
| 535 | }
|
---|
| 536 |
|
---|
| 537 | if ((ctxt->controlBufUsed < 0) || (ctxt->controlBufUsed > FTP_BUF_SIZE)) {
|
---|
| 538 | return(-1);
|
---|
| 539 | }
|
---|
| 540 | if (ctxt->controlBufIndex > ctxt->controlBufUsed) {
|
---|
| 541 | return(-1);
|
---|
| 542 | }
|
---|
| 543 |
|
---|
| 544 | /*
|
---|
| 545 | * First pack the control buffer
|
---|
| 546 | */
|
---|
| 547 | if (ctxt->controlBufIndex > 0) {
|
---|
| 548 | memmove(&ctxt->controlBuf[0], &ctxt->controlBuf[ctxt->controlBufIndex],
|
---|
| 549 | ctxt->controlBufUsed - ctxt->controlBufIndex);
|
---|
| 550 | ctxt->controlBufUsed -= ctxt->controlBufIndex;
|
---|
| 551 | ctxt->controlBufIndex = 0;
|
---|
| 552 | }
|
---|
| 553 | size = FTP_BUF_SIZE - ctxt->controlBufUsed;
|
---|
| 554 | if (size == 0) {
|
---|
| 555 | return(0);
|
---|
| 556 | }
|
---|
| 557 |
|
---|
| 558 | /*
|
---|
| 559 | * Read the amount left on the control connection
|
---|
| 560 | */
|
---|
| 561 | if ((len = recv(ctxt->controlFd, &ctxt->controlBuf[ctxt->controlBufIndex],
|
---|
| 562 | size, 0)) < 0) {
|
---|
| 563 | __xmlIOErr(XML_FROM_FTP, 0, "recv failed");
|
---|
| 564 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 565 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 566 | return(-1);
|
---|
| 567 | }
|
---|
| 568 | ctxt->controlBufUsed += len;
|
---|
| 569 | ctxt->controlBuf[ctxt->controlBufUsed] = 0;
|
---|
| 570 |
|
---|
| 571 | return(len);
|
---|
| 572 | }
|
---|
| 573 |
|
---|
| 574 | /**
|
---|
| 575 | * xmlNanoFTPReadResponse:
|
---|
| 576 | * @ctx: an FTP context
|
---|
| 577 | *
|
---|
| 578 | * Read the response from the FTP server after a command.
|
---|
| 579 | * Returns the code number
|
---|
| 580 | */
|
---|
| 581 | static int
|
---|
| 582 | xmlNanoFTPReadResponse(void *ctx) {
|
---|
| 583 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 584 | char *ptr, *end;
|
---|
| 585 | int len;
|
---|
| 586 | int res = -1, cur = -1;
|
---|
| 587 |
|
---|
| 588 | if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
|
---|
| 589 |
|
---|
| 590 | get_more:
|
---|
| 591 | /*
|
---|
| 592 | * Assumes everything up to controlBuf[controlBufIndex] has been read
|
---|
| 593 | * and analyzed.
|
---|
| 594 | */
|
---|
| 595 | len = xmlNanoFTPGetMore(ctx);
|
---|
| 596 | if (len < 0) {
|
---|
| 597 | return(-1);
|
---|
| 598 | }
|
---|
| 599 | if ((ctxt->controlBufUsed == 0) && (len == 0)) {
|
---|
| 600 | return(-1);
|
---|
| 601 | }
|
---|
| 602 | ptr = &ctxt->controlBuf[ctxt->controlBufIndex];
|
---|
| 603 | end = &ctxt->controlBuf[ctxt->controlBufUsed];
|
---|
| 604 |
|
---|
| 605 | while (ptr < end) {
|
---|
| 606 | cur = xmlNanoFTPParseResponse(ptr, end - ptr);
|
---|
| 607 | if (cur > 0) {
|
---|
| 608 | /*
|
---|
| 609 | * Successfully scanned the control code, scratch
|
---|
| 610 | * till the end of the line, but keep the index to be
|
---|
| 611 | * able to analyze the result if needed.
|
---|
| 612 | */
|
---|
| 613 | res = cur;
|
---|
| 614 | ptr += 3;
|
---|
| 615 | ctxt->controlBufAnswer = ptr - ctxt->controlBuf;
|
---|
| 616 | while ((ptr < end) && (*ptr != '\n')) ptr++;
|
---|
| 617 | if (*ptr == '\n') ptr++;
|
---|
| 618 | if (*ptr == '\r') ptr++;
|
---|
| 619 | break;
|
---|
| 620 | }
|
---|
| 621 | while ((ptr < end) && (*ptr != '\n')) ptr++;
|
---|
| 622 | if (ptr >= end) {
|
---|
| 623 | ctxt->controlBufIndex = ctxt->controlBufUsed;
|
---|
| 624 | goto get_more;
|
---|
| 625 | }
|
---|
| 626 | if (*ptr != '\r') ptr++;
|
---|
| 627 | }
|
---|
| 628 |
|
---|
| 629 | if (res < 0) goto get_more;
|
---|
| 630 | ctxt->controlBufIndex = ptr - ctxt->controlBuf;
|
---|
| 631 |
|
---|
| 632 | return(res / 100);
|
---|
| 633 | }
|
---|
| 634 |
|
---|
| 635 | /**
|
---|
| 636 | * xmlNanoFTPGetResponse:
|
---|
| 637 | * @ctx: an FTP context
|
---|
| 638 | *
|
---|
| 639 | * Get the response from the FTP server after a command.
|
---|
| 640 | * Returns the code number
|
---|
| 641 | */
|
---|
| 642 |
|
---|
| 643 | int
|
---|
| 644 | xmlNanoFTPGetResponse(void *ctx) {
|
---|
| 645 | int res;
|
---|
| 646 |
|
---|
| 647 | res = xmlNanoFTPReadResponse(ctx);
|
---|
| 648 |
|
---|
| 649 | return(res);
|
---|
| 650 | }
|
---|
| 651 |
|
---|
| 652 | /**
|
---|
| 653 | * xmlNanoFTPCheckResponse:
|
---|
| 654 | * @ctx: an FTP context
|
---|
| 655 | *
|
---|
| 656 | * Check if there is a response from the FTP server after a command.
|
---|
| 657 | * Returns the code number, or 0
|
---|
| 658 | */
|
---|
| 659 |
|
---|
| 660 | int
|
---|
| 661 | xmlNanoFTPCheckResponse(void *ctx) {
|
---|
| 662 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 663 | fd_set rfd;
|
---|
| 664 | struct timeval tv;
|
---|
| 665 |
|
---|
| 666 | if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
|
---|
| 667 | tv.tv_sec = 0;
|
---|
| 668 | tv.tv_usec = 0;
|
---|
| 669 | FD_ZERO(&rfd);
|
---|
| 670 | FD_SET(ctxt->controlFd, &rfd);
|
---|
| 671 | switch(select(ctxt->controlFd + 1, &rfd, NULL, NULL, &tv)) {
|
---|
| 672 | case 0:
|
---|
| 673 | return(0);
|
---|
| 674 | case -1:
|
---|
| 675 | __xmlIOErr(XML_FROM_FTP, 0, "select");
|
---|
| 676 | return(-1);
|
---|
| 677 |
|
---|
| 678 | }
|
---|
| 679 |
|
---|
| 680 | return(xmlNanoFTPReadResponse(ctx));
|
---|
| 681 | }
|
---|
| 682 |
|
---|
| 683 | /**
|
---|
| 684 | * Send the user authentication
|
---|
| 685 | */
|
---|
| 686 |
|
---|
| 687 | static int
|
---|
| 688 | xmlNanoFTPSendUser(void *ctx) {
|
---|
| 689 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 690 | char buf[200];
|
---|
| 691 | int len;
|
---|
| 692 | int res;
|
---|
| 693 |
|
---|
| 694 | if (ctxt->user == NULL)
|
---|
| 695 | snprintf(buf, sizeof(buf), "USER anonymous\r\n");
|
---|
| 696 | else
|
---|
| 697 | snprintf(buf, sizeof(buf), "USER %s\r\n", ctxt->user);
|
---|
| 698 | buf[sizeof(buf) - 1] = 0;
|
---|
| 699 | len = strlen(buf);
|
---|
| 700 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 701 | if (res < 0) {
|
---|
| 702 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 703 | return(res);
|
---|
| 704 | }
|
---|
| 705 | return(0);
|
---|
| 706 | }
|
---|
| 707 |
|
---|
| 708 | /**
|
---|
| 709 | * Send the password authentication
|
---|
| 710 | */
|
---|
| 711 |
|
---|
| 712 | static int
|
---|
| 713 | xmlNanoFTPSendPasswd(void *ctx) {
|
---|
| 714 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 715 | char buf[200];
|
---|
| 716 | int len;
|
---|
| 717 | int res;
|
---|
| 718 |
|
---|
| 719 | if (ctxt->passwd == NULL)
|
---|
| 720 | snprintf(buf, sizeof(buf), "PASS anonymous@\r\n");
|
---|
| 721 | else
|
---|
| 722 | snprintf(buf, sizeof(buf), "PASS %s\r\n", ctxt->passwd);
|
---|
| 723 | buf[sizeof(buf) - 1] = 0;
|
---|
| 724 | len = strlen(buf);
|
---|
| 725 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 726 | if (res < 0) {
|
---|
| 727 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 728 | return(res);
|
---|
| 729 | }
|
---|
| 730 | return(0);
|
---|
| 731 | }
|
---|
| 732 |
|
---|
| 733 | /**
|
---|
| 734 | * xmlNanoFTPQuit:
|
---|
| 735 | * @ctx: an FTP context
|
---|
| 736 | *
|
---|
| 737 | * Send a QUIT command to the server
|
---|
| 738 | *
|
---|
| 739 | * Returns -1 in case of error, 0 otherwise
|
---|
| 740 | */
|
---|
| 741 |
|
---|
| 742 |
|
---|
| 743 | int
|
---|
| 744 | xmlNanoFTPQuit(void *ctx) {
|
---|
| 745 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 746 | char buf[200];
|
---|
| 747 | int len, res;
|
---|
| 748 |
|
---|
| 749 | if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
|
---|
| 750 |
|
---|
| 751 | snprintf(buf, sizeof(buf), "QUIT\r\n");
|
---|
| 752 | len = strlen(buf);
|
---|
| 753 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 754 | if (res < 0) {
|
---|
| 755 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 756 | return(res);
|
---|
| 757 | }
|
---|
| 758 | return(0);
|
---|
| 759 | }
|
---|
| 760 |
|
---|
| 761 | /**
|
---|
| 762 | * xmlNanoFTPConnect:
|
---|
| 763 | * @ctx: an FTP context
|
---|
| 764 | *
|
---|
| 765 | * Tries to open a control connection
|
---|
| 766 | *
|
---|
| 767 | * Returns -1 in case of error, 0 otherwise
|
---|
| 768 | */
|
---|
| 769 |
|
---|
| 770 | int
|
---|
| 771 | xmlNanoFTPConnect(void *ctx) {
|
---|
| 772 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 773 | struct hostent *hp;
|
---|
| 774 | int port;
|
---|
| 775 | int res;
|
---|
| 776 | int addrlen = sizeof (struct sockaddr_in);
|
---|
| 777 |
|
---|
| 778 | if (ctxt == NULL)
|
---|
| 779 | return(-1);
|
---|
| 780 | if (ctxt->hostname == NULL)
|
---|
| 781 | return(-1);
|
---|
| 782 |
|
---|
| 783 | /*
|
---|
| 784 | * do the blocking DNS query.
|
---|
| 785 | */
|
---|
| 786 | if (proxy) {
|
---|
| 787 | port = proxyPort;
|
---|
| 788 | } else {
|
---|
| 789 | port = ctxt->port;
|
---|
| 790 | }
|
---|
| 791 | if (port == 0)
|
---|
| 792 | port = 21;
|
---|
| 793 |
|
---|
| 794 | memset (&ctxt->ftpAddr, 0, sizeof(ctxt->ftpAddr));
|
---|
| 795 |
|
---|
| 796 | #ifdef SUPPORT_IP6
|
---|
| 797 | if (have_ipv6 ()) {
|
---|
| 798 | struct addrinfo hints, *tmp, *result;
|
---|
| 799 |
|
---|
| 800 | result = NULL;
|
---|
| 801 | memset (&hints, 0, sizeof(hints));
|
---|
| 802 | hints.ai_socktype = SOCK_STREAM;
|
---|
| 803 |
|
---|
| 804 | if (proxy) {
|
---|
| 805 | if (getaddrinfo (proxy, NULL, &hints, &result) != 0) {
|
---|
| 806 | __xmlIOErr(XML_FROM_FTP, 0, "getaddrinfo failed");
|
---|
| 807 | return (-1);
|
---|
| 808 | }
|
---|
| 809 | }
|
---|
| 810 | else
|
---|
| 811 | if (getaddrinfo (ctxt->hostname, NULL, &hints, &result) != 0) {
|
---|
| 812 | __xmlIOErr(XML_FROM_FTP, 0, "getaddrinfo failed");
|
---|
| 813 | return (-1);
|
---|
| 814 | }
|
---|
| 815 |
|
---|
| 816 | for (tmp = result; tmp; tmp = tmp->ai_next)
|
---|
| 817 | if (tmp->ai_family == AF_INET || tmp->ai_family == AF_INET6)
|
---|
| 818 | break;
|
---|
| 819 |
|
---|
| 820 | if (!tmp) {
|
---|
| 821 | if (result)
|
---|
| 822 | freeaddrinfo (result);
|
---|
| 823 | __xmlIOErr(XML_FROM_FTP, 0, "getaddrinfo failed");
|
---|
| 824 | return (-1);
|
---|
| 825 | }
|
---|
| 826 | if ((size_t)tmp->ai_addrlen > sizeof(ctxt->ftpAddr)) {
|
---|
| 827 | if (result)
|
---|
| 828 | freeaddrinfo (result);
|
---|
| 829 | __xmlIOErr(XML_FROM_FTP, 0, "gethostbyname address mismatch");
|
---|
| 830 | return (-1);
|
---|
| 831 | }
|
---|
| 832 | if (tmp->ai_family == AF_INET6) {
|
---|
| 833 | memcpy (&ctxt->ftpAddr, tmp->ai_addr, tmp->ai_addrlen);
|
---|
| 834 | ((struct sockaddr_in6 *) &ctxt->ftpAddr)->sin6_port = htons (port);
|
---|
| 835 | ctxt->controlFd = socket (AF_INET6, SOCK_STREAM, 0);
|
---|
| 836 | }
|
---|
| 837 | else {
|
---|
| 838 | memcpy (&ctxt->ftpAddr, tmp->ai_addr, tmp->ai_addrlen);
|
---|
| 839 | ((struct sockaddr_in *) &ctxt->ftpAddr)->sin_port = htons (port);
|
---|
| 840 | ctxt->controlFd = socket (AF_INET, SOCK_STREAM, 0);
|
---|
| 841 | }
|
---|
| 842 | addrlen = tmp->ai_addrlen;
|
---|
| 843 | freeaddrinfo (result);
|
---|
| 844 | }
|
---|
| 845 | else
|
---|
| 846 | #endif
|
---|
| 847 | {
|
---|
| 848 | if (proxy)
|
---|
| 849 | hp = gethostbyname (GETHOSTBYNAME_ARG_CAST proxy);
|
---|
| 850 | else
|
---|
| 851 | hp = gethostbyname (GETHOSTBYNAME_ARG_CAST ctxt->hostname);
|
---|
| 852 | if (hp == NULL) {
|
---|
| 853 | __xmlIOErr(XML_FROM_FTP, 0, "gethostbyname failed");
|
---|
| 854 | return (-1);
|
---|
| 855 | }
|
---|
| 856 | if ((unsigned int) hp->h_length >
|
---|
| 857 | sizeof(((struct sockaddr_in *)&ctxt->ftpAddr)->sin_addr)) {
|
---|
| 858 | __xmlIOErr(XML_FROM_FTP, 0, "gethostbyname address mismatch");
|
---|
| 859 | return (-1);
|
---|
| 860 | }
|
---|
| 861 |
|
---|
| 862 | /*
|
---|
| 863 | * Prepare the socket
|
---|
| 864 | */
|
---|
| 865 | ((struct sockaddr_in *)&ctxt->ftpAddr)->sin_family = AF_INET;
|
---|
| 866 | memcpy (&((struct sockaddr_in *)&ctxt->ftpAddr)->sin_addr,
|
---|
| 867 | hp->h_addr_list[0], hp->h_length);
|
---|
| 868 | ((struct sockaddr_in *)&ctxt->ftpAddr)->sin_port =
|
---|
| 869 | (unsigned short)htons ((unsigned short)port);
|
---|
| 870 | ctxt->controlFd = socket (AF_INET, SOCK_STREAM, 0);
|
---|
| 871 | addrlen = sizeof (struct sockaddr_in);
|
---|
| 872 | }
|
---|
| 873 |
|
---|
| 874 | if (ctxt->controlFd == INVALID_SOCKET) {
|
---|
| 875 | __xmlIOErr(XML_FROM_FTP, 0, "socket failed");
|
---|
| 876 | return(-1);
|
---|
| 877 | }
|
---|
| 878 |
|
---|
| 879 | /*
|
---|
| 880 | * Do the connect.
|
---|
| 881 | */
|
---|
| 882 | if (connect(ctxt->controlFd, (struct sockaddr *) &ctxt->ftpAddr,
|
---|
| 883 | addrlen) < 0) {
|
---|
| 884 | __xmlIOErr(XML_FROM_FTP, 0, "Failed to create a connection");
|
---|
| 885 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 886 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 887 | return(-1);
|
---|
| 888 | }
|
---|
| 889 |
|
---|
| 890 | /*
|
---|
| 891 | * Wait for the HELLO from the server.
|
---|
| 892 | */
|
---|
| 893 | res = xmlNanoFTPGetResponse(ctxt);
|
---|
| 894 | if (res != 2) {
|
---|
| 895 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 896 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 897 | return(-1);
|
---|
| 898 | }
|
---|
| 899 |
|
---|
| 900 | /*
|
---|
| 901 | * State diagram for the login operation on the FTP server
|
---|
| 902 | *
|
---|
| 903 | * Reference: RFC 959
|
---|
| 904 | *
|
---|
| 905 | * 1
|
---|
| 906 | * +---+ USER +---+------------->+---+
|
---|
| 907 | * | B |---------->| W | 2 ---->| E |
|
---|
| 908 | * +---+ +---+------ | -->+---+
|
---|
| 909 | * | | | | |
|
---|
| 910 | * 3 | | 4,5 | | |
|
---|
| 911 | * -------------- ----- | | |
|
---|
| 912 | * | | | | |
|
---|
| 913 | * | | | | |
|
---|
| 914 | * | --------- |
|
---|
| 915 | * | 1| | | |
|
---|
| 916 | * V | | | |
|
---|
| 917 | * +---+ PASS +---+ 2 | ------>+---+
|
---|
| 918 | * | |---------->| W |------------->| S |
|
---|
| 919 | * +---+ +---+ ---------->+---+
|
---|
| 920 | * | | | | |
|
---|
| 921 | * 3 | |4,5| | |
|
---|
| 922 | * -------------- -------- |
|
---|
| 923 | * | | | | |
|
---|
| 924 | * | | | | |
|
---|
| 925 | * | -----------
|
---|
| 926 | * | 1,3| | | |
|
---|
| 927 | * V | 2| | |
|
---|
| 928 | * +---+ ACCT +---+-- | ----->+---+
|
---|
| 929 | * | |---------->| W | 4,5 -------->| F |
|
---|
| 930 | * +---+ +---+------------->+---+
|
---|
| 931 | *
|
---|
| 932 | * Of course in case of using a proxy this get really nasty and is not
|
---|
| 933 | * standardized at all :-(
|
---|
| 934 | */
|
---|
| 935 | if (proxy) {
|
---|
| 936 | int len;
|
---|
| 937 | char buf[400];
|
---|
| 938 |
|
---|
| 939 | if (proxyUser != NULL) {
|
---|
| 940 | /*
|
---|
| 941 | * We need proxy auth
|
---|
| 942 | */
|
---|
| 943 | snprintf(buf, sizeof(buf), "USER %s\r\n", proxyUser);
|
---|
| 944 | buf[sizeof(buf) - 1] = 0;
|
---|
| 945 | len = strlen(buf);
|
---|
| 946 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 947 | if (res < 0) {
|
---|
| 948 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 949 | closesocket(ctxt->controlFd);
|
---|
| 950 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 951 | return(res);
|
---|
| 952 | }
|
---|
| 953 | res = xmlNanoFTPGetResponse(ctxt);
|
---|
| 954 | switch (res) {
|
---|
| 955 | case 2:
|
---|
| 956 | if (proxyPasswd == NULL)
|
---|
| 957 | break;
|
---|
| 958 | /* Falls through. */
|
---|
| 959 | case 3:
|
---|
| 960 | if (proxyPasswd != NULL)
|
---|
| 961 | snprintf(buf, sizeof(buf), "PASS %s\r\n", proxyPasswd);
|
---|
| 962 | else
|
---|
| 963 | snprintf(buf, sizeof(buf), "PASS anonymous@\r\n");
|
---|
| 964 | buf[sizeof(buf) - 1] = 0;
|
---|
| 965 | len = strlen(buf);
|
---|
| 966 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 967 | if (res < 0) {
|
---|
| 968 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 969 | closesocket(ctxt->controlFd);
|
---|
| 970 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 971 | return(res);
|
---|
| 972 | }
|
---|
| 973 | res = xmlNanoFTPGetResponse(ctxt);
|
---|
| 974 | if (res > 3) {
|
---|
| 975 | closesocket(ctxt->controlFd);
|
---|
| 976 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 977 | return(-1);
|
---|
| 978 | }
|
---|
| 979 | break;
|
---|
| 980 | case 1:
|
---|
| 981 | break;
|
---|
| 982 | case 4:
|
---|
| 983 | case 5:
|
---|
| 984 | case -1:
|
---|
| 985 | default:
|
---|
| 986 | closesocket(ctxt->controlFd);
|
---|
| 987 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 988 | return(-1);
|
---|
| 989 | }
|
---|
| 990 | }
|
---|
| 991 |
|
---|
| 992 | /*
|
---|
| 993 | * We assume we don't need more authentication to the proxy
|
---|
| 994 | * and that it succeeded :-\
|
---|
| 995 | */
|
---|
| 996 | switch (proxyType) {
|
---|
| 997 | case 0:
|
---|
| 998 | /* we will try in sequence */
|
---|
| 999 | case 1:
|
---|
| 1000 | /* Using SITE command */
|
---|
| 1001 | snprintf(buf, sizeof(buf), "SITE %s\r\n", ctxt->hostname);
|
---|
| 1002 | buf[sizeof(buf) - 1] = 0;
|
---|
| 1003 | len = strlen(buf);
|
---|
| 1004 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 1005 | if (res < 0) {
|
---|
| 1006 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 1007 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1008 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1009 | return(res);
|
---|
| 1010 | }
|
---|
| 1011 | res = xmlNanoFTPGetResponse(ctxt);
|
---|
| 1012 | if (res == 2) {
|
---|
| 1013 | /* we assume it worked :-\ 1 is error for SITE command */
|
---|
| 1014 | proxyType = 1;
|
---|
| 1015 | break;
|
---|
| 1016 | }
|
---|
| 1017 | if (proxyType == 1) {
|
---|
| 1018 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1019 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1020 | return(-1);
|
---|
| 1021 | }
|
---|
| 1022 | /* Falls through. */
|
---|
| 1023 | case 2:
|
---|
| 1024 | /* USER user@host command */
|
---|
| 1025 | if (ctxt->user == NULL)
|
---|
| 1026 | snprintf(buf, sizeof(buf), "USER anonymous@%s\r\n",
|
---|
| 1027 | ctxt->hostname);
|
---|
| 1028 | else
|
---|
| 1029 | snprintf(buf, sizeof(buf), "USER %s@%s\r\n",
|
---|
| 1030 | ctxt->user, ctxt->hostname);
|
---|
| 1031 | buf[sizeof(buf) - 1] = 0;
|
---|
| 1032 | len = strlen(buf);
|
---|
| 1033 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 1034 | if (res < 0) {
|
---|
| 1035 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 1036 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1037 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1038 | return(res);
|
---|
| 1039 | }
|
---|
| 1040 | res = xmlNanoFTPGetResponse(ctxt);
|
---|
| 1041 | if ((res == 1) || (res == 2)) {
|
---|
| 1042 | /* we assume it worked :-\ */
|
---|
| 1043 | proxyType = 2;
|
---|
| 1044 | return(0);
|
---|
| 1045 | }
|
---|
| 1046 | if (ctxt->passwd == NULL)
|
---|
| 1047 | snprintf(buf, sizeof(buf), "PASS anonymous@\r\n");
|
---|
| 1048 | else
|
---|
| 1049 | snprintf(buf, sizeof(buf), "PASS %s\r\n", ctxt->passwd);
|
---|
| 1050 | buf[sizeof(buf) - 1] = 0;
|
---|
| 1051 | len = strlen(buf);
|
---|
| 1052 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 1053 | if (res < 0) {
|
---|
| 1054 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 1055 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1056 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1057 | return(res);
|
---|
| 1058 | }
|
---|
| 1059 | res = xmlNanoFTPGetResponse(ctxt);
|
---|
| 1060 | if ((res == 1) || (res == 2)) {
|
---|
| 1061 | /* we assume it worked :-\ */
|
---|
| 1062 | proxyType = 2;
|
---|
| 1063 | return(0);
|
---|
| 1064 | }
|
---|
| 1065 | if (proxyType == 2) {
|
---|
| 1066 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1067 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1068 | return(-1);
|
---|
| 1069 | }
|
---|
| 1070 | /* Falls through. */
|
---|
| 1071 | case 3:
|
---|
| 1072 | /*
|
---|
| 1073 | * If you need support for other Proxy authentication scheme
|
---|
| 1074 | * send the code or at least the sequence in use.
|
---|
| 1075 | */
|
---|
| 1076 | default:
|
---|
| 1077 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1078 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1079 | return(-1);
|
---|
| 1080 | }
|
---|
| 1081 | }
|
---|
| 1082 | /*
|
---|
| 1083 | * Non-proxy handling.
|
---|
| 1084 | */
|
---|
| 1085 | res = xmlNanoFTPSendUser(ctxt);
|
---|
| 1086 | if (res < 0) {
|
---|
| 1087 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1088 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1089 | return(-1);
|
---|
| 1090 | }
|
---|
| 1091 | res = xmlNanoFTPGetResponse(ctxt);
|
---|
| 1092 | switch (res) {
|
---|
| 1093 | case 2:
|
---|
| 1094 | return(0);
|
---|
| 1095 | case 3:
|
---|
| 1096 | break;
|
---|
| 1097 | case 1:
|
---|
| 1098 | case 4:
|
---|
| 1099 | case 5:
|
---|
| 1100 | case -1:
|
---|
| 1101 | default:
|
---|
| 1102 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1103 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1104 | return(-1);
|
---|
| 1105 | }
|
---|
| 1106 | res = xmlNanoFTPSendPasswd(ctxt);
|
---|
| 1107 | if (res < 0) {
|
---|
| 1108 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1109 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1110 | return(-1);
|
---|
| 1111 | }
|
---|
| 1112 | res = xmlNanoFTPGetResponse(ctxt);
|
---|
| 1113 | switch (res) {
|
---|
| 1114 | case 2:
|
---|
| 1115 | break;
|
---|
| 1116 | case 3:
|
---|
| 1117 | __xmlIOErr(XML_FROM_FTP, XML_FTP_ACCNT,
|
---|
| 1118 | "FTP server asking for ACCNT on anonymous\n");
|
---|
| 1119 | /* Falls through. */
|
---|
| 1120 | case 1:
|
---|
| 1121 | case 4:
|
---|
| 1122 | case 5:
|
---|
| 1123 | case -1:
|
---|
| 1124 | default:
|
---|
| 1125 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1126 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1127 | return(-1);
|
---|
| 1128 | }
|
---|
| 1129 |
|
---|
| 1130 | return(0);
|
---|
| 1131 | }
|
---|
| 1132 |
|
---|
| 1133 | /**
|
---|
| 1134 | * xmlNanoFTPConnectTo:
|
---|
| 1135 | * @server: an FTP server name
|
---|
| 1136 | * @port: the port (use 21 if 0)
|
---|
| 1137 | *
|
---|
| 1138 | * Tries to open a control connection to the given server/port
|
---|
| 1139 | *
|
---|
| 1140 | * Returns an fTP context or NULL if it failed
|
---|
| 1141 | */
|
---|
| 1142 |
|
---|
| 1143 | void*
|
---|
| 1144 | xmlNanoFTPConnectTo(const char *server, int port) {
|
---|
| 1145 | xmlNanoFTPCtxtPtr ctxt;
|
---|
| 1146 | int res;
|
---|
| 1147 |
|
---|
| 1148 | xmlNanoFTPInit();
|
---|
| 1149 | if (server == NULL)
|
---|
| 1150 | return(NULL);
|
---|
| 1151 | if (port <= 0)
|
---|
| 1152 | return(NULL);
|
---|
| 1153 | ctxt = (xmlNanoFTPCtxtPtr) xmlNanoFTPNewCtxt(NULL);
|
---|
| 1154 | if (ctxt == NULL)
|
---|
| 1155 | return(NULL);
|
---|
| 1156 | ctxt->hostname = xmlMemStrdup(server);
|
---|
| 1157 | if (ctxt->hostname == NULL) {
|
---|
| 1158 | xmlNanoFTPFreeCtxt(ctxt);
|
---|
| 1159 | return(NULL);
|
---|
| 1160 | }
|
---|
| 1161 | ctxt->port = port;
|
---|
| 1162 | res = xmlNanoFTPConnect(ctxt);
|
---|
| 1163 | if (res < 0) {
|
---|
| 1164 | xmlNanoFTPFreeCtxt(ctxt);
|
---|
| 1165 | return(NULL);
|
---|
| 1166 | }
|
---|
| 1167 | return(ctxt);
|
---|
| 1168 | }
|
---|
| 1169 |
|
---|
| 1170 | /**
|
---|
| 1171 | * xmlNanoFTPCwd:
|
---|
| 1172 | * @ctx: an FTP context
|
---|
| 1173 | * @directory: a directory on the server
|
---|
| 1174 | *
|
---|
| 1175 | * Tries to change the remote directory
|
---|
| 1176 | *
|
---|
| 1177 | * Returns -1 in case of error, 1 if CWD worked, 0 if it failed
|
---|
| 1178 | */
|
---|
| 1179 |
|
---|
| 1180 | int
|
---|
| 1181 | xmlNanoFTPCwd(void *ctx, const char *directory) {
|
---|
| 1182 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 1183 | char buf[400];
|
---|
| 1184 | int len;
|
---|
| 1185 | int res;
|
---|
| 1186 |
|
---|
| 1187 | if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
|
---|
| 1188 | if (directory == NULL) return 0;
|
---|
| 1189 |
|
---|
| 1190 | /*
|
---|
| 1191 | * Expected response code for CWD:
|
---|
| 1192 | *
|
---|
| 1193 | * CWD
|
---|
| 1194 | * 250
|
---|
| 1195 | * 500, 501, 502, 421, 530, 550
|
---|
| 1196 | */
|
---|
| 1197 | snprintf(buf, sizeof(buf), "CWD %s\r\n", directory);
|
---|
| 1198 | buf[sizeof(buf) - 1] = 0;
|
---|
| 1199 | len = strlen(buf);
|
---|
| 1200 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 1201 | if (res < 0) {
|
---|
| 1202 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 1203 | return(res);
|
---|
| 1204 | }
|
---|
| 1205 | res = xmlNanoFTPGetResponse(ctxt);
|
---|
| 1206 | if (res == 4) {
|
---|
| 1207 | return(-1);
|
---|
| 1208 | }
|
---|
| 1209 | if (res == 2) return(1);
|
---|
| 1210 | if (res == 5) {
|
---|
| 1211 | return(0);
|
---|
| 1212 | }
|
---|
| 1213 | return(0);
|
---|
| 1214 | }
|
---|
| 1215 |
|
---|
| 1216 | /**
|
---|
| 1217 | * xmlNanoFTPDele:
|
---|
| 1218 | * @ctx: an FTP context
|
---|
| 1219 | * @file: a file or directory on the server
|
---|
| 1220 | *
|
---|
| 1221 | * Tries to delete an item (file or directory) from server
|
---|
| 1222 | *
|
---|
| 1223 | * Returns -1 in case of error, 1 if DELE worked, 0 if it failed
|
---|
| 1224 | */
|
---|
| 1225 |
|
---|
| 1226 | int
|
---|
| 1227 | xmlNanoFTPDele(void *ctx, const char *file) {
|
---|
| 1228 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 1229 | char buf[400];
|
---|
| 1230 | int len;
|
---|
| 1231 | int res;
|
---|
| 1232 |
|
---|
| 1233 | if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET) ||
|
---|
| 1234 | (file == NULL)) return(-1);
|
---|
| 1235 |
|
---|
| 1236 | /*
|
---|
| 1237 | * Expected response code for DELE:
|
---|
| 1238 | *
|
---|
| 1239 | * DELE
|
---|
| 1240 | * 250
|
---|
| 1241 | * 450, 550
|
---|
| 1242 | * 500, 501, 502, 421, 530
|
---|
| 1243 | */
|
---|
| 1244 |
|
---|
| 1245 | snprintf(buf, sizeof(buf), "DELE %s\r\n", file);
|
---|
| 1246 | buf[sizeof(buf) - 1] = 0;
|
---|
| 1247 | len = strlen(buf);
|
---|
| 1248 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 1249 | if (res < 0) {
|
---|
| 1250 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 1251 | return(res);
|
---|
| 1252 | }
|
---|
| 1253 | res = xmlNanoFTPGetResponse(ctxt);
|
---|
| 1254 | if (res == 4) {
|
---|
| 1255 | return(-1);
|
---|
| 1256 | }
|
---|
| 1257 | if (res == 2) return(1);
|
---|
| 1258 | if (res == 5) {
|
---|
| 1259 | return(0);
|
---|
| 1260 | }
|
---|
| 1261 | return(0);
|
---|
| 1262 | }
|
---|
| 1263 | /**
|
---|
| 1264 | * xmlNanoFTPGetConnection:
|
---|
| 1265 | * @ctx: an FTP context
|
---|
| 1266 | *
|
---|
| 1267 | * Try to open a data connection to the server. Currently only
|
---|
| 1268 | * passive mode is supported.
|
---|
| 1269 | *
|
---|
| 1270 | * Returns -1 in case of error, 0 otherwise
|
---|
| 1271 | */
|
---|
| 1272 |
|
---|
| 1273 | SOCKET
|
---|
| 1274 | xmlNanoFTPGetConnection(void *ctx) {
|
---|
| 1275 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 1276 | char buf[200], *cur;
|
---|
| 1277 | int len, i;
|
---|
| 1278 | int res;
|
---|
| 1279 | unsigned char ad[6], *adp, *portp;
|
---|
| 1280 | unsigned int temp[6];
|
---|
| 1281 | #ifdef SUPPORT_IP6
|
---|
| 1282 | struct sockaddr_storage dataAddr;
|
---|
| 1283 | #else
|
---|
| 1284 | struct sockaddr_in dataAddr;
|
---|
| 1285 | #endif
|
---|
| 1286 | XML_SOCKLEN_T dataAddrLen;
|
---|
| 1287 |
|
---|
| 1288 | if (ctxt == NULL) return INVALID_SOCKET;
|
---|
| 1289 |
|
---|
| 1290 | memset (&dataAddr, 0, sizeof(dataAddr));
|
---|
| 1291 | #ifdef SUPPORT_IP6
|
---|
| 1292 | if ((ctxt->ftpAddr).ss_family == AF_INET6) {
|
---|
| 1293 | ctxt->dataFd = socket (AF_INET6, SOCK_STREAM, IPPROTO_TCP);
|
---|
| 1294 | ((struct sockaddr_in6 *)&dataAddr)->sin6_family = AF_INET6;
|
---|
| 1295 | dataAddrLen = sizeof(struct sockaddr_in6);
|
---|
| 1296 | } else
|
---|
| 1297 | #endif
|
---|
| 1298 | {
|
---|
| 1299 | ctxt->dataFd = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
|
---|
| 1300 | ((struct sockaddr_in *)&dataAddr)->sin_family = AF_INET;
|
---|
| 1301 | dataAddrLen = sizeof (struct sockaddr_in);
|
---|
| 1302 | }
|
---|
| 1303 |
|
---|
| 1304 | if (ctxt->dataFd == INVALID_SOCKET) {
|
---|
| 1305 | __xmlIOErr(XML_FROM_FTP, 0, "socket failed");
|
---|
| 1306 | return INVALID_SOCKET;
|
---|
| 1307 | }
|
---|
| 1308 |
|
---|
| 1309 | if (ctxt->passive) {
|
---|
| 1310 | #ifdef SUPPORT_IP6
|
---|
| 1311 | if ((ctxt->ftpAddr).ss_family == AF_INET6)
|
---|
| 1312 | snprintf (buf, sizeof(buf), "EPSV\r\n");
|
---|
| 1313 | else
|
---|
| 1314 | #endif
|
---|
| 1315 | snprintf (buf, sizeof(buf), "PASV\r\n");
|
---|
| 1316 | len = strlen (buf);
|
---|
| 1317 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 1318 | if (res < 0) {
|
---|
| 1319 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 1320 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1321 | return INVALID_SOCKET;
|
---|
| 1322 | }
|
---|
| 1323 | res = xmlNanoFTPReadResponse(ctx);
|
---|
| 1324 | if (res != 2) {
|
---|
| 1325 | if (res == 5) {
|
---|
| 1326 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1327 | return INVALID_SOCKET;
|
---|
| 1328 | } else {
|
---|
| 1329 | /*
|
---|
| 1330 | * retry with an active connection
|
---|
| 1331 | */
|
---|
| 1332 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1333 | ctxt->passive = 0;
|
---|
| 1334 | }
|
---|
| 1335 | }
|
---|
| 1336 | cur = &ctxt->controlBuf[ctxt->controlBufAnswer];
|
---|
| 1337 | while (((*cur < '0') || (*cur > '9')) && *cur != '\0') cur++;
|
---|
| 1338 | #ifdef SUPPORT_IP6
|
---|
| 1339 | if ((ctxt->ftpAddr).ss_family == AF_INET6) {
|
---|
| 1340 | if (sscanf (cur, "%u", &temp[0]) != 1) {
|
---|
| 1341 | __xmlIOErr(XML_FROM_FTP, XML_FTP_EPSV_ANSWER,
|
---|
| 1342 | "Invalid answer to EPSV\n");
|
---|
| 1343 | if (ctxt->dataFd != INVALID_SOCKET) {
|
---|
| 1344 | closesocket (ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1345 | }
|
---|
| 1346 | return INVALID_SOCKET;
|
---|
| 1347 | }
|
---|
| 1348 | memcpy (&((struct sockaddr_in6 *)&dataAddr)->sin6_addr, &((struct sockaddr_in6 *)&ctxt->ftpAddr)->sin6_addr, sizeof(struct in6_addr));
|
---|
| 1349 | ((struct sockaddr_in6 *)&dataAddr)->sin6_port = htons (temp[0]);
|
---|
| 1350 | }
|
---|
| 1351 | else
|
---|
| 1352 | #endif
|
---|
| 1353 | {
|
---|
| 1354 | if (sscanf (cur, "%u,%u,%u,%u,%u,%u", &temp[0], &temp[1], &temp[2],
|
---|
| 1355 | &temp[3], &temp[4], &temp[5]) != 6) {
|
---|
| 1356 | __xmlIOErr(XML_FROM_FTP, XML_FTP_PASV_ANSWER,
|
---|
| 1357 | "Invalid answer to PASV\n");
|
---|
| 1358 | if (ctxt->dataFd != INVALID_SOCKET) {
|
---|
| 1359 | closesocket (ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1360 | }
|
---|
| 1361 | return INVALID_SOCKET;
|
---|
| 1362 | }
|
---|
| 1363 | for (i=0; i<6; i++) ad[i] = (unsigned char) (temp[i] & 0xff);
|
---|
| 1364 | memcpy (&((struct sockaddr_in *)&dataAddr)->sin_addr, &ad[0], 4);
|
---|
| 1365 | memcpy (&((struct sockaddr_in *)&dataAddr)->sin_port, &ad[4], 2);
|
---|
| 1366 | }
|
---|
| 1367 |
|
---|
| 1368 | if (connect(ctxt->dataFd, (struct sockaddr *) &dataAddr, dataAddrLen) < 0) {
|
---|
| 1369 | __xmlIOErr(XML_FROM_FTP, 0, "Failed to create a data connection");
|
---|
| 1370 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1371 | return INVALID_SOCKET;
|
---|
| 1372 | }
|
---|
| 1373 | } else {
|
---|
| 1374 | getsockname(ctxt->dataFd, (struct sockaddr *) &dataAddr, &dataAddrLen);
|
---|
| 1375 | #ifdef SUPPORT_IP6
|
---|
| 1376 | if ((ctxt->ftpAddr).ss_family == AF_INET6)
|
---|
| 1377 | ((struct sockaddr_in6 *)&dataAddr)->sin6_port = 0;
|
---|
| 1378 | else
|
---|
| 1379 | #endif
|
---|
| 1380 | ((struct sockaddr_in *)&dataAddr)->sin_port = 0;
|
---|
| 1381 |
|
---|
| 1382 | if (bind(ctxt->dataFd, (struct sockaddr *) &dataAddr, dataAddrLen) < 0) {
|
---|
| 1383 | __xmlIOErr(XML_FROM_FTP, 0, "bind failed");
|
---|
| 1384 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1385 | return INVALID_SOCKET;
|
---|
| 1386 | }
|
---|
| 1387 | getsockname(ctxt->dataFd, (struct sockaddr *) &dataAddr, &dataAddrLen);
|
---|
| 1388 |
|
---|
| 1389 | if (listen(ctxt->dataFd, 1) < 0) {
|
---|
| 1390 | __xmlIOErr(XML_FROM_FTP, 0, "listen failed");
|
---|
| 1391 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1392 | return INVALID_SOCKET;
|
---|
| 1393 | }
|
---|
| 1394 | #ifdef SUPPORT_IP6
|
---|
| 1395 | if ((ctxt->ftpAddr).ss_family == AF_INET6) {
|
---|
| 1396 | char buf6[INET6_ADDRSTRLEN];
|
---|
| 1397 | inet_ntop (AF_INET6, &((struct sockaddr_in6 *)&dataAddr)->sin6_addr,
|
---|
| 1398 | buf6, INET6_ADDRSTRLEN);
|
---|
| 1399 | adp = (unsigned char *) buf6;
|
---|
| 1400 | portp = (unsigned char *) &((struct sockaddr_in6 *)&dataAddr)->sin6_port;
|
---|
| 1401 | snprintf (buf, sizeof(buf), "EPRT |2|%s|%s|\r\n", adp, portp);
|
---|
| 1402 | } else
|
---|
| 1403 | #endif
|
---|
| 1404 | {
|
---|
| 1405 | adp = (unsigned char *) &((struct sockaddr_in *)&dataAddr)->sin_addr;
|
---|
| 1406 | portp = (unsigned char *) &((struct sockaddr_in *)&dataAddr)->sin_port;
|
---|
| 1407 | snprintf (buf, sizeof(buf), "PORT %d,%d,%d,%d,%d,%d\r\n",
|
---|
| 1408 | adp[0] & 0xff, adp[1] & 0xff, adp[2] & 0xff, adp[3] & 0xff,
|
---|
| 1409 | portp[0] & 0xff, portp[1] & 0xff);
|
---|
| 1410 | }
|
---|
| 1411 |
|
---|
| 1412 | buf[sizeof(buf) - 1] = 0;
|
---|
| 1413 | len = strlen(buf);
|
---|
| 1414 |
|
---|
| 1415 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 1416 | if (res < 0) {
|
---|
| 1417 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 1418 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1419 | return INVALID_SOCKET;
|
---|
| 1420 | }
|
---|
| 1421 | res = xmlNanoFTPGetResponse(ctxt);
|
---|
| 1422 | if (res != 2) {
|
---|
| 1423 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1424 | return INVALID_SOCKET;
|
---|
| 1425 | }
|
---|
| 1426 | }
|
---|
| 1427 | return(ctxt->dataFd);
|
---|
| 1428 |
|
---|
| 1429 | }
|
---|
| 1430 |
|
---|
| 1431 | /**
|
---|
| 1432 | * xmlNanoFTPCloseConnection:
|
---|
| 1433 | * @ctx: an FTP context
|
---|
| 1434 | *
|
---|
| 1435 | * Close the data connection from the server
|
---|
| 1436 | *
|
---|
| 1437 | * Returns -1 in case of error, 0 otherwise
|
---|
| 1438 | */
|
---|
| 1439 |
|
---|
| 1440 | int
|
---|
| 1441 | xmlNanoFTPCloseConnection(void *ctx) {
|
---|
| 1442 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 1443 | int res;
|
---|
| 1444 | fd_set rfd, efd;
|
---|
| 1445 | struct timeval tv;
|
---|
| 1446 |
|
---|
| 1447 | if ((ctxt == NULL) || (ctxt->controlFd == INVALID_SOCKET)) return(-1);
|
---|
| 1448 |
|
---|
| 1449 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1450 | tv.tv_sec = 15;
|
---|
| 1451 | tv.tv_usec = 0;
|
---|
| 1452 | FD_ZERO(&rfd);
|
---|
| 1453 | FD_SET(ctxt->controlFd, &rfd);
|
---|
| 1454 | FD_ZERO(&efd);
|
---|
| 1455 | FD_SET(ctxt->controlFd, &efd);
|
---|
| 1456 | res = select(ctxt->controlFd + 1, &rfd, NULL, &efd, &tv);
|
---|
| 1457 | if (res < 0) {
|
---|
| 1458 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1459 | return(-1);
|
---|
| 1460 | }
|
---|
| 1461 | if (res == 0) {
|
---|
| 1462 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1463 | } else {
|
---|
| 1464 | res = xmlNanoFTPGetResponse(ctxt);
|
---|
| 1465 | if (res != 2) {
|
---|
| 1466 | closesocket(ctxt->controlFd); ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1467 | return(-1);
|
---|
| 1468 | }
|
---|
| 1469 | }
|
---|
| 1470 | return(0);
|
---|
| 1471 | }
|
---|
| 1472 |
|
---|
| 1473 | /**
|
---|
| 1474 | * xmlNanoFTPParseList:
|
---|
| 1475 | * @list: some data listing received from the server
|
---|
| 1476 | * @callback: the user callback
|
---|
| 1477 | * @userData: the user callback data
|
---|
| 1478 | *
|
---|
| 1479 | * Parse at most one entry from the listing.
|
---|
| 1480 | *
|
---|
| 1481 | * Returns -1 in case of error, the length of data parsed otherwise
|
---|
| 1482 | */
|
---|
| 1483 |
|
---|
| 1484 | static int
|
---|
| 1485 | xmlNanoFTPParseList(const char *list, ftpListCallback callback, void *userData) {
|
---|
| 1486 | const char *cur = list;
|
---|
| 1487 | char filename[151];
|
---|
| 1488 | char attrib[11];
|
---|
| 1489 | char owner[11];
|
---|
| 1490 | char group[11];
|
---|
| 1491 | char month[4];
|
---|
| 1492 | int year = 0;
|
---|
| 1493 | int minute = 0;
|
---|
| 1494 | int hour = 0;
|
---|
| 1495 | int day = 0;
|
---|
| 1496 | unsigned long size = 0;
|
---|
| 1497 | int links = 0;
|
---|
| 1498 | int i;
|
---|
| 1499 |
|
---|
| 1500 | if (!strncmp(cur, "total", 5)) {
|
---|
| 1501 | cur += 5;
|
---|
| 1502 | while (*cur == ' ') cur++;
|
---|
| 1503 | while ((*cur >= '0') && (*cur <= '9'))
|
---|
| 1504 | links = (links * 10) + (*cur++ - '0');
|
---|
| 1505 | while ((*cur == ' ') || (*cur == '\n') || (*cur == '\r'))
|
---|
| 1506 | cur++;
|
---|
| 1507 | return(cur - list);
|
---|
| 1508 | } else if (*list == '+') {
|
---|
| 1509 | return(0);
|
---|
| 1510 | } else {
|
---|
| 1511 | while ((*cur == ' ') || (*cur == '\n') || (*cur == '\r'))
|
---|
| 1512 | cur++;
|
---|
| 1513 | if (*cur == 0) return(0);
|
---|
| 1514 | i = 0;
|
---|
| 1515 | while (*cur != ' ') {
|
---|
| 1516 | if (i < 10)
|
---|
| 1517 | attrib[i++] = *cur;
|
---|
| 1518 | cur++;
|
---|
| 1519 | if (*cur == 0) return(0);
|
---|
| 1520 | }
|
---|
| 1521 | attrib[10] = 0;
|
---|
| 1522 | while (*cur == ' ') cur++;
|
---|
| 1523 | if (*cur == 0) return(0);
|
---|
| 1524 | while ((*cur >= '0') && (*cur <= '9'))
|
---|
| 1525 | links = (links * 10) + (*cur++ - '0');
|
---|
| 1526 | while (*cur == ' ') cur++;
|
---|
| 1527 | if (*cur == 0) return(0);
|
---|
| 1528 | i = 0;
|
---|
| 1529 | while (*cur != ' ') {
|
---|
| 1530 | if (i < 10)
|
---|
| 1531 | owner[i++] = *cur;
|
---|
| 1532 | cur++;
|
---|
| 1533 | if (*cur == 0) return(0);
|
---|
| 1534 | }
|
---|
| 1535 | owner[i] = 0;
|
---|
| 1536 | while (*cur == ' ') cur++;
|
---|
| 1537 | if (*cur == 0) return(0);
|
---|
| 1538 | i = 0;
|
---|
| 1539 | while (*cur != ' ') {
|
---|
| 1540 | if (i < 10)
|
---|
| 1541 | group[i++] = *cur;
|
---|
| 1542 | cur++;
|
---|
| 1543 | if (*cur == 0) return(0);
|
---|
| 1544 | }
|
---|
| 1545 | group[i] = 0;
|
---|
| 1546 | while (*cur == ' ') cur++;
|
---|
| 1547 | if (*cur == 0) return(0);
|
---|
| 1548 | while ((*cur >= '0') && (*cur <= '9'))
|
---|
| 1549 | size = (size * 10) + (*cur++ - '0');
|
---|
| 1550 | while (*cur == ' ') cur++;
|
---|
| 1551 | if (*cur == 0) return(0);
|
---|
| 1552 | i = 0;
|
---|
| 1553 | while (*cur != ' ') {
|
---|
| 1554 | if (i < 3)
|
---|
| 1555 | month[i++] = *cur;
|
---|
| 1556 | cur++;
|
---|
| 1557 | if (*cur == 0) return(0);
|
---|
| 1558 | }
|
---|
| 1559 | month[i] = 0;
|
---|
| 1560 | while (*cur == ' ') cur++;
|
---|
| 1561 | if (*cur == 0) return(0);
|
---|
| 1562 | while ((*cur >= '0') && (*cur <= '9'))
|
---|
| 1563 | day = (day * 10) + (*cur++ - '0');
|
---|
| 1564 | while (*cur == ' ') cur++;
|
---|
| 1565 | if (*cur == 0) return(0);
|
---|
| 1566 | if ((cur[1] == 0) || (cur[2] == 0)) return(0);
|
---|
| 1567 | if ((cur[1] == ':') || (cur[2] == ':')) {
|
---|
| 1568 | while ((*cur >= '0') && (*cur <= '9'))
|
---|
| 1569 | hour = (hour * 10) + (*cur++ - '0');
|
---|
| 1570 | if (*cur == ':') cur++;
|
---|
| 1571 | while ((*cur >= '0') && (*cur <= '9'))
|
---|
| 1572 | minute = (minute * 10) + (*cur++ - '0');
|
---|
| 1573 | } else {
|
---|
| 1574 | while ((*cur >= '0') && (*cur <= '9'))
|
---|
| 1575 | year = (year * 10) + (*cur++ - '0');
|
---|
| 1576 | }
|
---|
| 1577 | while (*cur == ' ') cur++;
|
---|
| 1578 | if (*cur == 0) return(0);
|
---|
| 1579 | i = 0;
|
---|
| 1580 | while ((*cur != '\n') && (*cur != '\r')) {
|
---|
| 1581 | if (i < 150)
|
---|
| 1582 | filename[i++] = *cur;
|
---|
| 1583 | cur++;
|
---|
| 1584 | if (*cur == 0) return(0);
|
---|
| 1585 | }
|
---|
| 1586 | filename[i] = 0;
|
---|
| 1587 | if ((*cur != '\n') && (*cur != '\r'))
|
---|
| 1588 | return(0);
|
---|
| 1589 | while ((*cur == '\n') || (*cur == '\r'))
|
---|
| 1590 | cur++;
|
---|
| 1591 | }
|
---|
| 1592 | if (callback != NULL) {
|
---|
| 1593 | callback(userData, filename, attrib, owner, group, size, links,
|
---|
| 1594 | year, month, day, hour, minute);
|
---|
| 1595 | }
|
---|
| 1596 | return(cur - list);
|
---|
| 1597 | }
|
---|
| 1598 |
|
---|
| 1599 | /**
|
---|
| 1600 | * xmlNanoFTPList:
|
---|
| 1601 | * @ctx: an FTP context
|
---|
| 1602 | * @callback: the user callback
|
---|
| 1603 | * @userData: the user callback data
|
---|
| 1604 | * @filename: optional files to list
|
---|
| 1605 | *
|
---|
| 1606 | * Do a listing on the server. All files info are passed back
|
---|
| 1607 | * in the callbacks.
|
---|
| 1608 | *
|
---|
| 1609 | * Returns -1 in case of error, 0 otherwise
|
---|
| 1610 | */
|
---|
| 1611 |
|
---|
| 1612 | int
|
---|
| 1613 | xmlNanoFTPList(void *ctx, ftpListCallback callback, void *userData,
|
---|
| 1614 | const char *filename) {
|
---|
| 1615 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 1616 | char buf[4096 + 1];
|
---|
| 1617 | int len, res;
|
---|
| 1618 | int indx = 0, base;
|
---|
| 1619 | fd_set rfd, efd;
|
---|
| 1620 | struct timeval tv;
|
---|
| 1621 |
|
---|
| 1622 | if (ctxt == NULL) return (-1);
|
---|
| 1623 | if (filename == NULL) {
|
---|
| 1624 | if (xmlNanoFTPCwd(ctxt, ctxt->path) < 1)
|
---|
| 1625 | return(-1);
|
---|
| 1626 | ctxt->dataFd = xmlNanoFTPGetConnection(ctxt);
|
---|
| 1627 | if (ctxt->dataFd == INVALID_SOCKET)
|
---|
| 1628 | return(-1);
|
---|
| 1629 | snprintf(buf, sizeof(buf), "LIST -L\r\n");
|
---|
| 1630 | } else {
|
---|
| 1631 | if (filename[0] != '/') {
|
---|
| 1632 | if (xmlNanoFTPCwd(ctxt, ctxt->path) < 1)
|
---|
| 1633 | return(-1);
|
---|
| 1634 | }
|
---|
| 1635 | ctxt->dataFd = xmlNanoFTPGetConnection(ctxt);
|
---|
| 1636 | if (ctxt->dataFd == INVALID_SOCKET)
|
---|
| 1637 | return(-1);
|
---|
| 1638 | snprintf(buf, sizeof(buf), "LIST -L %s\r\n", filename);
|
---|
| 1639 | }
|
---|
| 1640 | buf[sizeof(buf) - 1] = 0;
|
---|
| 1641 | len = strlen(buf);
|
---|
| 1642 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 1643 | if (res < 0) {
|
---|
| 1644 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 1645 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1646 | return(res);
|
---|
| 1647 | }
|
---|
| 1648 | res = xmlNanoFTPReadResponse(ctxt);
|
---|
| 1649 | if (res != 1) {
|
---|
| 1650 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1651 | return(-res);
|
---|
| 1652 | }
|
---|
| 1653 |
|
---|
| 1654 | do {
|
---|
| 1655 | tv.tv_sec = 1;
|
---|
| 1656 | tv.tv_usec = 0;
|
---|
| 1657 | FD_ZERO(&rfd);
|
---|
| 1658 | FD_SET(ctxt->dataFd, &rfd);
|
---|
| 1659 | FD_ZERO(&efd);
|
---|
| 1660 | FD_SET(ctxt->dataFd, &efd);
|
---|
| 1661 | res = select(ctxt->dataFd + 1, &rfd, NULL, &efd, &tv);
|
---|
| 1662 | if (res < 0) {
|
---|
| 1663 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1664 | return(-1);
|
---|
| 1665 | }
|
---|
| 1666 | if (res == 0) {
|
---|
| 1667 | res = xmlNanoFTPCheckResponse(ctxt);
|
---|
| 1668 | if (res < 0) {
|
---|
| 1669 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1670 | ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1671 | return(-1);
|
---|
| 1672 | }
|
---|
| 1673 | if (res == 2) {
|
---|
| 1674 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1675 | return(0);
|
---|
| 1676 | }
|
---|
| 1677 |
|
---|
| 1678 | continue;
|
---|
| 1679 | }
|
---|
| 1680 |
|
---|
| 1681 | if ((len = recv(ctxt->dataFd, &buf[indx], sizeof(buf) - (indx + 1), 0)) < 0) {
|
---|
| 1682 | __xmlIOErr(XML_FROM_FTP, 0, "recv");
|
---|
| 1683 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1684 | ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1685 | return(-1);
|
---|
| 1686 | }
|
---|
| 1687 | indx += len;
|
---|
| 1688 | buf[indx] = 0;
|
---|
| 1689 | base = 0;
|
---|
| 1690 | do {
|
---|
| 1691 | res = xmlNanoFTPParseList(&buf[base], callback, userData);
|
---|
| 1692 | base += res;
|
---|
| 1693 | } while (res > 0);
|
---|
| 1694 |
|
---|
| 1695 | memmove(&buf[0], &buf[base], indx - base);
|
---|
| 1696 | indx -= base;
|
---|
| 1697 | } while (len != 0);
|
---|
| 1698 | xmlNanoFTPCloseConnection(ctxt);
|
---|
| 1699 | return(0);
|
---|
| 1700 | }
|
---|
| 1701 |
|
---|
| 1702 | /**
|
---|
| 1703 | * xmlNanoFTPGetSocket:
|
---|
| 1704 | * @ctx: an FTP context
|
---|
| 1705 | * @filename: the file to retrieve (or NULL if path is in context).
|
---|
| 1706 | *
|
---|
| 1707 | * Initiate fetch of the given file from the server.
|
---|
| 1708 | *
|
---|
| 1709 | * Returns the socket for the data connection, or <0 in case of error
|
---|
| 1710 | */
|
---|
| 1711 |
|
---|
| 1712 |
|
---|
| 1713 | SOCKET
|
---|
| 1714 | xmlNanoFTPGetSocket(void *ctx, const char *filename) {
|
---|
| 1715 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 1716 | char buf[300];
|
---|
| 1717 | int res, len;
|
---|
| 1718 | if (ctx == NULL)
|
---|
| 1719 | return INVALID_SOCKET;
|
---|
| 1720 | if ((filename == NULL) && (ctxt->path == NULL))
|
---|
| 1721 | return INVALID_SOCKET;
|
---|
| 1722 | ctxt->dataFd = xmlNanoFTPGetConnection(ctxt);
|
---|
| 1723 | if (ctxt->dataFd == INVALID_SOCKET)
|
---|
| 1724 | return INVALID_SOCKET;
|
---|
| 1725 |
|
---|
| 1726 | snprintf(buf, sizeof(buf), "TYPE I\r\n");
|
---|
| 1727 | len = strlen(buf);
|
---|
| 1728 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 1729 | if (res < 0) {
|
---|
| 1730 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 1731 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1732 | return INVALID_SOCKET;
|
---|
| 1733 | }
|
---|
| 1734 | res = xmlNanoFTPReadResponse(ctxt);
|
---|
| 1735 | if (res != 2) {
|
---|
| 1736 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1737 | return INVALID_SOCKET;
|
---|
| 1738 | }
|
---|
| 1739 | if (filename == NULL)
|
---|
| 1740 | snprintf(buf, sizeof(buf), "RETR %s\r\n", ctxt->path);
|
---|
| 1741 | else
|
---|
| 1742 | snprintf(buf, sizeof(buf), "RETR %s\r\n", filename);
|
---|
| 1743 | buf[sizeof(buf) - 1] = 0;
|
---|
| 1744 | len = strlen(buf);
|
---|
| 1745 | res = send(ctxt->controlFd, SEND_ARG2_CAST buf, len, 0);
|
---|
| 1746 | if (res < 0) {
|
---|
| 1747 | __xmlIOErr(XML_FROM_FTP, 0, "send failed");
|
---|
| 1748 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1749 | return INVALID_SOCKET;
|
---|
| 1750 | }
|
---|
| 1751 | res = xmlNanoFTPReadResponse(ctxt);
|
---|
| 1752 | if (res != 1) {
|
---|
| 1753 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1754 | return INVALID_SOCKET;
|
---|
| 1755 | }
|
---|
| 1756 | return(ctxt->dataFd);
|
---|
| 1757 | }
|
---|
| 1758 |
|
---|
| 1759 | /**
|
---|
| 1760 | * xmlNanoFTPGet:
|
---|
| 1761 | * @ctx: an FTP context
|
---|
| 1762 | * @callback: the user callback
|
---|
| 1763 | * @userData: the user callback data
|
---|
| 1764 | * @filename: the file to retrieve
|
---|
| 1765 | *
|
---|
| 1766 | * Fetch the given file from the server. All data are passed back
|
---|
| 1767 | * in the callbacks. The last callback has a size of 0 block.
|
---|
| 1768 | *
|
---|
| 1769 | * Returns -1 in case of error, 0 otherwise
|
---|
| 1770 | */
|
---|
| 1771 |
|
---|
| 1772 | int
|
---|
| 1773 | xmlNanoFTPGet(void *ctx, ftpDataCallback callback, void *userData,
|
---|
| 1774 | const char *filename) {
|
---|
| 1775 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 1776 | char buf[4096];
|
---|
| 1777 | int len = 0, res;
|
---|
| 1778 | fd_set rfd;
|
---|
| 1779 | struct timeval tv;
|
---|
| 1780 |
|
---|
| 1781 | if (ctxt == NULL) return(-1);
|
---|
| 1782 | if ((filename == NULL) && (ctxt->path == NULL))
|
---|
| 1783 | return(-1);
|
---|
| 1784 | if (callback == NULL)
|
---|
| 1785 | return(-1);
|
---|
| 1786 | if (xmlNanoFTPGetSocket(ctxt, filename) == INVALID_SOCKET)
|
---|
| 1787 | return(-1);
|
---|
| 1788 |
|
---|
| 1789 | do {
|
---|
| 1790 | tv.tv_sec = 1;
|
---|
| 1791 | tv.tv_usec = 0;
|
---|
| 1792 | FD_ZERO(&rfd);
|
---|
| 1793 | FD_SET(ctxt->dataFd, &rfd);
|
---|
| 1794 | res = select(ctxt->dataFd + 1, &rfd, NULL, NULL, &tv);
|
---|
| 1795 | if (res < 0) {
|
---|
| 1796 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1797 | return(-1);
|
---|
| 1798 | }
|
---|
| 1799 | if (res == 0) {
|
---|
| 1800 | res = xmlNanoFTPCheckResponse(ctxt);
|
---|
| 1801 | if (res < 0) {
|
---|
| 1802 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1803 | ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1804 | return(-1);
|
---|
| 1805 | }
|
---|
| 1806 | if (res == 2) {
|
---|
| 1807 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1808 | return(0);
|
---|
| 1809 | }
|
---|
| 1810 |
|
---|
| 1811 | continue;
|
---|
| 1812 | }
|
---|
| 1813 | if ((len = recv(ctxt->dataFd, buf, sizeof(buf), 0)) < 0) {
|
---|
| 1814 | __xmlIOErr(XML_FROM_FTP, 0, "recv failed");
|
---|
| 1815 | callback(userData, buf, len);
|
---|
| 1816 | closesocket(ctxt->dataFd); ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1817 | return(-1);
|
---|
| 1818 | }
|
---|
| 1819 | callback(userData, buf, len);
|
---|
| 1820 | } while (len != 0);
|
---|
| 1821 |
|
---|
| 1822 | return(xmlNanoFTPCloseConnection(ctxt));
|
---|
| 1823 | }
|
---|
| 1824 |
|
---|
| 1825 | /**
|
---|
| 1826 | * xmlNanoFTPRead:
|
---|
| 1827 | * @ctx: the FTP context
|
---|
| 1828 | * @dest: a buffer
|
---|
| 1829 | * @len: the buffer length
|
---|
| 1830 | *
|
---|
| 1831 | * This function tries to read @len bytes from the existing FTP connection
|
---|
| 1832 | * and saves them in @dest. This is a blocking call.
|
---|
| 1833 | *
|
---|
| 1834 | * Returns the number of byte read. 0 is an indication of an end of connection.
|
---|
| 1835 | * -1 indicates a parameter error.
|
---|
| 1836 | */
|
---|
| 1837 | int
|
---|
| 1838 | xmlNanoFTPRead(void *ctx, void *dest, int len) {
|
---|
| 1839 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 1840 |
|
---|
| 1841 | if (ctx == NULL) return(-1);
|
---|
| 1842 | if (ctxt->dataFd == INVALID_SOCKET) return(0);
|
---|
| 1843 | if (dest == NULL) return(-1);
|
---|
| 1844 | if (len <= 0) return(0);
|
---|
| 1845 |
|
---|
| 1846 | len = recv(ctxt->dataFd, dest, len, 0);
|
---|
| 1847 | if (len <= 0) {
|
---|
| 1848 | if (len < 0)
|
---|
| 1849 | __xmlIOErr(XML_FROM_FTP, 0, "recv failed");
|
---|
| 1850 | xmlNanoFTPCloseConnection(ctxt);
|
---|
| 1851 | }
|
---|
| 1852 | return(len);
|
---|
| 1853 | }
|
---|
| 1854 |
|
---|
| 1855 | /**
|
---|
| 1856 | * xmlNanoFTPOpen:
|
---|
| 1857 | * @URL: the URL to the resource
|
---|
| 1858 | *
|
---|
| 1859 | * Start to fetch the given ftp:// resource
|
---|
| 1860 | *
|
---|
| 1861 | * Returns an FTP context, or NULL
|
---|
| 1862 | */
|
---|
| 1863 |
|
---|
| 1864 | void*
|
---|
| 1865 | xmlNanoFTPOpen(const char *URL) {
|
---|
| 1866 | xmlNanoFTPCtxtPtr ctxt;
|
---|
| 1867 | SOCKET sock;
|
---|
| 1868 |
|
---|
| 1869 | xmlNanoFTPInit();
|
---|
| 1870 | if (URL == NULL) return(NULL);
|
---|
| 1871 | if (strncmp("ftp://", URL, 6)) return(NULL);
|
---|
| 1872 |
|
---|
| 1873 | ctxt = (xmlNanoFTPCtxtPtr) xmlNanoFTPNewCtxt(URL);
|
---|
| 1874 | if (ctxt == NULL) return(NULL);
|
---|
| 1875 | if (xmlNanoFTPConnect(ctxt) < 0) {
|
---|
| 1876 | xmlNanoFTPFreeCtxt(ctxt);
|
---|
| 1877 | return(NULL);
|
---|
| 1878 | }
|
---|
| 1879 | sock = xmlNanoFTPGetSocket(ctxt, ctxt->path);
|
---|
| 1880 | if (sock == INVALID_SOCKET) {
|
---|
| 1881 | xmlNanoFTPFreeCtxt(ctxt);
|
---|
| 1882 | return(NULL);
|
---|
| 1883 | }
|
---|
| 1884 | return(ctxt);
|
---|
| 1885 | }
|
---|
| 1886 |
|
---|
| 1887 | /**
|
---|
| 1888 | * xmlNanoFTPClose:
|
---|
| 1889 | * @ctx: an FTP context
|
---|
| 1890 | *
|
---|
| 1891 | * Close the connection and both control and transport
|
---|
| 1892 | *
|
---|
| 1893 | * Returns -1 in case of error, 0 otherwise
|
---|
| 1894 | */
|
---|
| 1895 |
|
---|
| 1896 | int
|
---|
| 1897 | xmlNanoFTPClose(void *ctx) {
|
---|
| 1898 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx;
|
---|
| 1899 |
|
---|
| 1900 | if (ctxt == NULL)
|
---|
| 1901 | return(-1);
|
---|
| 1902 |
|
---|
| 1903 | if (ctxt->dataFd != INVALID_SOCKET) {
|
---|
| 1904 | closesocket(ctxt->dataFd);
|
---|
| 1905 | ctxt->dataFd = INVALID_SOCKET;
|
---|
| 1906 | }
|
---|
| 1907 | if (ctxt->controlFd != INVALID_SOCKET) {
|
---|
| 1908 | xmlNanoFTPQuit(ctxt);
|
---|
| 1909 | closesocket(ctxt->controlFd);
|
---|
| 1910 | ctxt->controlFd = INVALID_SOCKET;
|
---|
| 1911 | }
|
---|
| 1912 | xmlNanoFTPFreeCtxt(ctxt);
|
---|
| 1913 | return(0);
|
---|
| 1914 | }
|
---|
| 1915 |
|
---|
| 1916 | #ifdef STANDALONE
|
---|
| 1917 | /************************************************************************
|
---|
| 1918 | * *
|
---|
| 1919 | * Basic test in Standalone mode *
|
---|
| 1920 | * *
|
---|
| 1921 | ************************************************************************/
|
---|
| 1922 | static
|
---|
| 1923 | void ftpList(void *userData, const char *filename, const char* attrib,
|
---|
| 1924 | const char *owner, const char *group, unsigned long size, int links,
|
---|
| 1925 | int year, const char *month, int day, int hour, int minute) {
|
---|
| 1926 | xmlGenericError(xmlGenericErrorContext,
|
---|
| 1927 | "%s %s %s %ld %s\n", attrib, owner, group, size, filename);
|
---|
| 1928 | }
|
---|
| 1929 | static
|
---|
| 1930 | void ftpData(void *userData, const char *data, int len) {
|
---|
| 1931 | if (userData == NULL) return;
|
---|
| 1932 | if (len <= 0) {
|
---|
| 1933 | fclose((FILE*)userData);
|
---|
| 1934 | return;
|
---|
| 1935 | }
|
---|
| 1936 | fwrite(data, len, 1, (FILE*)userData);
|
---|
| 1937 | }
|
---|
| 1938 |
|
---|
| 1939 | int main(int argc, char **argv) {
|
---|
| 1940 | void *ctxt;
|
---|
| 1941 | FILE *output;
|
---|
| 1942 | char *tstfile = NULL;
|
---|
| 1943 |
|
---|
| 1944 | xmlNanoFTPInit();
|
---|
| 1945 | if (argc > 1) {
|
---|
| 1946 | ctxt = xmlNanoFTPNewCtxt(argv[1]);
|
---|
| 1947 | if (xmlNanoFTPConnect(ctxt) < 0) {
|
---|
| 1948 | xmlGenericError(xmlGenericErrorContext,
|
---|
| 1949 | "Couldn't connect to %s\n", argv[1]);
|
---|
| 1950 | exit(1);
|
---|
| 1951 | }
|
---|
| 1952 | if (argc > 2)
|
---|
| 1953 | tstfile = argv[2];
|
---|
| 1954 | } else
|
---|
| 1955 | ctxt = xmlNanoFTPConnectTo("localhost", 0);
|
---|
| 1956 | if (ctxt == NULL) {
|
---|
| 1957 | xmlGenericError(xmlGenericErrorContext,
|
---|
| 1958 | "Couldn't connect to localhost\n");
|
---|
| 1959 | exit(1);
|
---|
| 1960 | }
|
---|
| 1961 | xmlNanoFTPList(ctxt, ftpList, NULL, tstfile);
|
---|
| 1962 | output = fopen("/tmp/tstdata", "w");
|
---|
| 1963 | if (output != NULL) {
|
---|
| 1964 | if (xmlNanoFTPGet(ctxt, ftpData, (void *) output, tstfile) < 0)
|
---|
| 1965 | xmlGenericError(xmlGenericErrorContext,
|
---|
| 1966 | "Failed to get file\n");
|
---|
| 1967 |
|
---|
| 1968 | }
|
---|
| 1969 | xmlNanoFTPClose(ctxt);
|
---|
| 1970 | exit(0);
|
---|
| 1971 | }
|
---|
| 1972 | #endif /* STANDALONE */
|
---|
| 1973 | #else /* !LIBXML_FTP_ENABLED */
|
---|
| 1974 | #ifdef STANDALONE
|
---|
| 1975 | #include <stdio.h>
|
---|
| 1976 | int main(int argc, char **argv) {
|
---|
| 1977 | xmlGenericError(xmlGenericErrorContext,
|
---|
| 1978 | "%s : FTP support not compiled in\n", argv[0]);
|
---|
| 1979 | return(0);
|
---|
| 1980 | }
|
---|
| 1981 | #endif /* STANDALONE */
|
---|
| 1982 | #endif /* LIBXML_FTP_ENABLED */
|
---|