From 914c73211bf00db2535c266677c05b989e631b08 Mon Sep 17 00:00:00 2001 From: Martin Kraemer Date: Mon, 28 Jan 2002 16:54:05 +0000 Subject: [PATCH] First step: send proxy_ftp.c thru indent | pr -e8 -t (no other changes) git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@93059 13f79535-47bb-0310-9956-ffa450edef68 --- modules/proxy/proxy_ftp.c | 2015 +++++++++++++++++++------------------ 1 file changed, 1009 insertions(+), 1006 deletions(-) diff --git a/modules/proxy/proxy_ftp.c b/modules/proxy/proxy_ftp.c index 34e16c3179..234b41177a 100644 --- a/modules/proxy/proxy_ftp.c +++ b/modules/proxy/proxy_ftp.c @@ -65,11 +65,11 @@ module AP_MODULE_DECLARE_DATA proxy_ftp_module; int ap_proxy_ftp_canon(request_rec *r, char *url); -int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, - char *url, const char *proxyhost, - apr_port_t proxyport); -apr_status_t ap_proxy_send_dir_filter(ap_filter_t *f, - apr_bucket_brigade *bb); +int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, + char *url, const char *proxyhost, + apr_port_t proxyport); +apr_status_t ap_proxy_send_dir_filter(ap_filter_t * f, + apr_bucket_brigade * bb); /* @@ -80,15 +80,15 @@ static int decodeenc(char *x) int i, j, ch; if (x[0] == '\0') - return 0; /* special case for no characters */ + return 0; /* special case for no characters */ for (i = 0, j = 0; x[i] != '\0'; i++, j++) { /* decode it if not already done */ - ch = x[i]; - if (ch == '%' && ap_isxdigit(x[i + 1]) && ap_isxdigit(x[i + 2])) { - ch = ap_proxy_hex2c(&x[i + 1]); - i += 2; - } - x[j] = ch; + ch = x[i]; + if (ch == '%' && ap_isxdigit(x[i + 1]) && ap_isxdigit(x[i + 2])) { + ch = ap_proxy_hex2c(&x[i + 1]); + i += 2; + } + x[j] = ch; } x[j] = '\0'; return j; @@ -103,17 +103,17 @@ static int ftp_check_string(const char *x) int i, ch = 0; for (i = 0; x[i] != '\0'; i++) { - ch = x[i]; - if (ch == '%' && ap_isxdigit(x[i + 1]) && ap_isxdigit(x[i + 2])) { - ch = ap_proxy_hex2c(&x[i + 1]); - i += 2; - } + ch = x[i]; + if (ch == '%' && ap_isxdigit(x[i + 1]) && ap_isxdigit(x[i + 2])) { + ch = ap_proxy_hex2c(&x[i + 1]); + i += 2; + } #if !APR_CHARSET_EBCDIC if (ch == '\015' || ch == '\012' || (ch & 0x80)) -#else /*APR_CHARSET_EBCDIC*/ +#else /* APR_CHARSET_EBCDIC */ if (ch == '\r' || ch == '\n' || (os_toascii[ch] & 0x80)) -#endif /*APR_CHARSET_EBCDIC*/ - return 0; +#endif /* APR_CHARSET_EBCDIC */ + return 0; } return 1; } @@ -130,76 +130,76 @@ int ap_proxy_ftp_canon(request_rec *r, char *url) /* */ if (strncasecmp(url, "ftp:", 4) == 0) { - url += 4; + url += 4; } else { - return DECLINED; + return DECLINED; } def_port = apr_uri_default_port_for_scheme("ftp"); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: canonicalising URL %s", url); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: canonicalising URL %s", url); port = def_port; err = ap_proxy_canon_netloc(p, &url, &user, &password, &host, &port); if (err) - return HTTP_BAD_REQUEST; + return HTTP_BAD_REQUEST; if (user != NULL && !ftp_check_string(user)) - return HTTP_BAD_REQUEST; + return HTTP_BAD_REQUEST; if (password != NULL && !ftp_check_string(password)) - return HTTP_BAD_REQUEST; + return HTTP_BAD_REQUEST; /* now parse path/parameters args, according to rfc1738 */ - /* N.B. if this isn't a true proxy request, then the URL path - * (but not query args) has already been decoded. - * This gives rise to the problem of a ; being decoded into the - * path. + /* + * N.B. if this isn't a true proxy request, then the URL path (but not + * query args) has already been decoded. This gives rise to the problem + * of a ; being decoded into the path. */ strp = strchr(url, ';'); if (strp != NULL) { - *(strp++) = '\0'; - parms = ap_proxy_canonenc(p, strp, strlen(strp), enc_parm, - r->proxyreq); - if (parms == NULL) - return HTTP_BAD_REQUEST; + *(strp++) = '\0'; + parms = ap_proxy_canonenc(p, strp, strlen(strp), enc_parm, + r->proxyreq); + if (parms == NULL) + return HTTP_BAD_REQUEST; } else - parms = ""; + parms = ""; path = ap_proxy_canonenc(p, url, strlen(url), enc_path, r->proxyreq); if (path == NULL) - return HTTP_BAD_REQUEST; + return HTTP_BAD_REQUEST; if (!ftp_check_string(path)) - return HTTP_BAD_REQUEST; + return HTTP_BAD_REQUEST; if (r->proxyreq && r->args != NULL) { - if (strp != NULL) { - strp = ap_proxy_canonenc(p, r->args, strlen(r->args), enc_parm, 1); - if (strp == NULL) - return HTTP_BAD_REQUEST; - parms = apr_pstrcat(p, parms, "?", strp, NULL); - } - else { - strp = ap_proxy_canonenc(p, r->args, strlen(r->args), enc_fpath, 1); - if (strp == NULL) - return HTTP_BAD_REQUEST; - path = apr_pstrcat(p, path, "?", strp, NULL); - } - r->args = NULL; + if (strp != NULL) { + strp = ap_proxy_canonenc(p, r->args, strlen(r->args), enc_parm, 1); + if (strp == NULL) + return HTTP_BAD_REQUEST; + parms = apr_pstrcat(p, parms, "?", strp, NULL); + } + else { + strp = ap_proxy_canonenc(p, r->args, strlen(r->args), enc_fpath, 1); + if (strp == NULL) + return HTTP_BAD_REQUEST; + path = apr_pstrcat(p, path, "?", strp, NULL); + } + r->args = NULL; } /* now, rebuild URL */ if (port != def_port) - apr_snprintf(sport, sizeof(sport), ":%d", port); + apr_snprintf(sport, sizeof(sport), ":%d", port); else - sport[0] = '\0'; + sport[0] = '\0'; r->filename = apr_pstrcat(p, "proxy:ftp://", (user != NULL) ? user : "", - (password != NULL) ? ":" : "", - (password != NULL) ? password : "", - (user != NULL) ? "@" : "", host, sport, "/", path, - (parms[0] != '\0') ? ";" : "", parms, NULL); + (password != NULL) ? ":" : "", + (password != NULL) ? password : "", + (user != NULL) ? "@" : "", host, sport, "/", path, + (parms[0] != '\0') ? ";" : "", parms, NULL); return OK; } @@ -208,39 +208,38 @@ int ap_proxy_ftp_canon(request_rec *r, char *url) #define MAX_LINE_LEN 80 /* - * Reads response lines, returns both the ftp status code and + * Reads response lines, returns both the ftp status code and * remembers the response message in the supplied buffer */ -static int ftp_getrc_msg(conn_rec *c, apr_bucket_brigade *bb, char *msgbuf, int msglen) +static int ftp_getrc_msg(conn_rec *c, apr_bucket_brigade * bb, char *msgbuf, int msglen) { int status; char response[MAX_LINE_LEN]; char buff[5]; - char *mb = msgbuf, - *me = &msgbuf[msglen]; + char *mb = msgbuf, *me = &msgbuf[msglen]; apr_status_t rv; int eos; if (APR_SUCCESS != (rv = ap_proxy_string_read(c, bb, response, sizeof(response), &eos))) { - return -1; + return -1; } if (!apr_isdigit(response[0]) || !apr_isdigit(response[1]) || - !apr_isdigit(response[2]) || (response[3] != ' ' && response[3] != '-')) - status = 0; + !apr_isdigit(response[2]) || (response[3] != ' ' && response[3] != '-')) + status = 0; else - status = 100 * response[0] + 10 * response[1] + response[2] - 111 * '0'; + status = 100 * response[0] + 10 * response[1] + response[2] - 111 * '0'; - mb = apr_cpystrn(mb, response+4, me - mb); + mb = apr_cpystrn(mb, response + 4, me - mb); if (response[3] == '-') { - memcpy(buff, response, 3); - buff[3] = ' '; - do { - if (APR_SUCCESS != (rv = ap_proxy_string_read(c, bb, response, sizeof(response), &eos))) { - return -1; - } - mb = apr_cpystrn(mb, response + (' ' == response[0] ? 1 : 4), me - mb); - } while (memcmp(response, buff, 4) != 0); + memcpy(buff, response, 3); + buff[3] = ' '; + do { + if (APR_SUCCESS != (rv = ap_proxy_string_read(c, bb, response, sizeof(response), &eos))) { + return -1; + } + mb = apr_cpystrn(mb, response + (' ' == response[0] ? 1 : 4), me - mb); + } while (memcmp(response, buff, 4) != 0); } return status; @@ -258,10 +257,12 @@ static int ftp_getrc_msg(conn_rec *c, apr_bucket_brigade *bb, char *msgbuf, int typedef struct { apr_bucket_brigade *in; char buffer[MAX_STRING_LEN]; - enum {HEADER, BODY, FOOTER} state; -} proxy_dir_ctx_t; + enum { + HEADER, BODY, FOOTER + } state; +} proxy_dir_ctx_t; -apr_status_t ap_proxy_send_dir_filter(ap_filter_t *f, apr_bucket_brigade *in) +apr_status_t ap_proxy_send_dir_filter(ap_filter_t * f, apr_bucket_brigade * in) { request_rec *r = f->r; apr_pool_t *p = r->pool; @@ -277,10 +278,10 @@ apr_status_t ap_proxy_send_dir_filter(ap_filter_t *f, apr_bucket_brigade *in) proxy_dir_ctx_t *ctx = f->ctx; if (!ctx) { - f->ctx = ctx = apr_pcalloc(p, sizeof(*ctx)); - ctx->in = apr_brigade_create(p); - ctx->buffer[0] = 0; - ctx->state = HEADER; + f->ctx = ctx = apr_pcalloc(p, sizeof(*ctx)); + ctx->in = apr_brigade_create(p); + ctx->buffer[0] = 0; + ctx->state = HEADER; } /* combine the stored and the new */ @@ -288,207 +289,207 @@ apr_status_t ap_proxy_send_dir_filter(ap_filter_t *f, apr_bucket_brigade *in) if (HEADER == ctx->state) { - /* Save "scheme://site" prefix without password */ - site = apr_uri_unparse(p, &f->r->parsed_uri, APR_URI_UNP_OMITPASSWORD|APR_URI_UNP_OMITPATHINFO); - /* ... and path without query args */ - path = apr_uri_unparse(p, &f->r->parsed_uri, APR_URI_UNP_OMITSITEPART|APR_URI_UNP_OMITQUERY); - (void)decodeenc(path); - - /* Copy path, strip (all except the last) trailing slashes */ - path = dir = apr_pstrcat(p, path, "/", NULL); - while ((n = strlen(path)) > 1 && path[n-1] == '/' && path[n-2] == '/') - path[n-1] = '\0'; - - /* print "ftp://host/" */ - str = apr_psprintf(p, DOCTYPE_HTML_3_2 - "\n\n\n\n%s%s\n" - "\n\n\n" - "\n\n

Directory of " - "%s/", - site, path, site, path, site); - - e = apr_bucket_pool_create(str, strlen(str), p); - APR_BRIGADE_INSERT_TAIL(out, e); - - while ((dir = strchr(dir+1, '/')) != NULL) - { - *dir = '\0'; - if ((reldir = strrchr(path+1, '/'))==NULL) - reldir = path+1; - else - ++reldir; - /* print "path/" component */ - str = apr_psprintf(p, "%s/", path+1, reldir); - e = apr_bucket_pool_create(str, strlen(str), p); - APR_BRIGADE_INSERT_TAIL(out, e); - *dir = '/'; - } - /* If the caller has determined the current directory, and it differs */ - /* from what the client requested, then show the real name */ - if (pwd == NULL || strncmp (pwd, path, strlen(pwd)) == 0) { - str = apr_psprintf(p, "

\n\n
\n\n
");
-	} else {
-	    str = apr_psprintf(p, "\n\n(%s)\n\n
\n\n
", pwd);
-	}
-	e = apr_bucket_pool_create(str, strlen(str), p);
-	APR_BRIGADE_INSERT_TAIL(out, e);
-
-	/* print README */
-	if (readme) {
-	    str = apr_psprintf(p, "%s\n
\n\n
\n\n
\n",
-			     readme);
-
-	    e = apr_bucket_pool_create(str, strlen(str), p);
-	    APR_BRIGADE_INSERT_TAIL(out, e);
-	}
-
-	/* make sure page intro gets sent out */
-	e = apr_bucket_flush_create();
-	APR_BRIGADE_INSERT_TAIL(out, e);
-	if (APR_SUCCESS != (rv = ap_pass_brigade(f->next, out))) {
-	    return rv;
-	}
-	apr_brigade_cleanup(out);
-
-	ctx->state = BODY;
+        /* Save "scheme://site" prefix without password */
+        site = apr_uri_unparse(p, &f->r->parsed_uri, APR_URI_UNP_OMITPASSWORD | APR_URI_UNP_OMITPATHINFO);
+        /* ... and path without query args */
+        path = apr_uri_unparse(p, &f->r->parsed_uri, APR_URI_UNP_OMITSITEPART | APR_URI_UNP_OMITQUERY);
+        (void)decodeenc(path);
+
+        /* Copy path, strip (all except the last) trailing slashes */
+        path = dir = apr_pstrcat(p, path, "/", NULL);
+        while ((n = strlen(path)) > 1 && path[n - 1] == '/' && path[n - 2] == '/')
+            path[n - 1] = '\0';
+
+        /* print "ftp://host/" */
+        str = apr_psprintf(p, DOCTYPE_HTML_3_2
+                           "\n\n\n\n%s%s\n"
+                           "\n\n\n"
+                           "\n\n

Directory of " + "%s/", + site, path, site, path, site); + + e = apr_bucket_pool_create(str, strlen(str), p); + APR_BRIGADE_INSERT_TAIL(out, e); + + while ((dir = strchr(dir + 1, '/')) != NULL) { + *dir = '\0'; + if ((reldir = strrchr(path + 1, '/')) == NULL) + reldir = path + 1; + else + ++reldir; + /* print "path/" component */ + str = apr_psprintf(p, "%s/", path + 1, reldir); + e = apr_bucket_pool_create(str, strlen(str), p); + APR_BRIGADE_INSERT_TAIL(out, e); + *dir = '/'; + } + /* If the caller has determined the current directory, and it differs */ + /* from what the client requested, then show the real name */ + if (pwd == NULL || strncmp(pwd, path, strlen(pwd)) == 0) { + str = apr_psprintf(p, "

\n\n
\n\n
");
+        }
+        else {
+            str = apr_psprintf(p, "\n\n(%s)\n\n
\n\n
", pwd);
+        }
+        e = apr_bucket_pool_create(str, strlen(str), p);
+        APR_BRIGADE_INSERT_TAIL(out, e);
+
+        /* print README */
+        if (readme) {
+            str = apr_psprintf(p, "%s\n
\n\n
\n\n
\n",
+                               readme);
+
+            e = apr_bucket_pool_create(str, strlen(str), p);
+            APR_BRIGADE_INSERT_TAIL(out, e);
+        }
+
+        /* make sure page intro gets sent out */
+        e = apr_bucket_flush_create();
+        APR_BRIGADE_INSERT_TAIL(out, e);
+        if (APR_SUCCESS != (rv = ap_pass_brigade(f->next, out))) {
+            return rv;
+        }
+        apr_brigade_cleanup(out);
+
+        ctx->state = BODY;
     }
 
     /* loop through each line of directory */
     while (BODY == ctx->state) {
-	char *filename;
-	int found = 0;
-	int eos = 0;
-
-	/* get a complete line */
-	/* if the buffer overruns - throw data away */
-	while (!found && !APR_BRIGADE_EMPTY(ctx->in)) {
-	    char *pos, *response;
-	    apr_size_t len, max;
-	    e = APR_BRIGADE_FIRST(ctx->in);
-	    if (APR_BUCKET_IS_EOS(e)) {
-		eos = 1;
-		break;
-	    }
-	    if (APR_SUCCESS != (rv = apr_bucket_read(e, (const char **)&response, &len, APR_BLOCK_READ))) {
-		return rv;
-	    }
-	    pos = memchr(response, APR_ASCII_LF, len);
-	    if (pos != NULL) {
-		if ((response + len) != (pos + 1)) {
-		    len = pos - response + 1;
-		    apr_bucket_split(e, pos - response + 1);
-		    
-		}
-		found = 1;
-	    }
-	    max = sizeof(ctx->buffer)-strlen(ctx->buffer)-1;
-	    if (len > max) {
-		len = max;
-	    }
+        char *filename;
+        int found = 0;
+        int eos = 0;
+
+        /* get a complete line */
+        /* if the buffer overruns - throw data away */
+        while (!found && !APR_BRIGADE_EMPTY(ctx->in)) {
+            char *pos, *response;
+            apr_size_t len, max;
+            e = APR_BRIGADE_FIRST(ctx->in);
+            if (APR_BUCKET_IS_EOS(e)) {
+                eos = 1;
+                break;
+            }
+            if (APR_SUCCESS != (rv = apr_bucket_read(e, (const char **)&response, &len, APR_BLOCK_READ))) {
+                return rv;
+            }
+            pos = memchr(response, APR_ASCII_LF, len);
+            if (pos != NULL) {
+                if ((response + len) != (pos + 1)) {
+                    len = pos - response + 1;
+                    apr_bucket_split(e, pos - response + 1);
+
+                }
+                found = 1;
+            }
+            max = sizeof(ctx->buffer) - strlen(ctx->buffer) - 1;
+            if (len > max) {
+                len = max;
+            }
 /* strncat works here, but apr_cpystrn does not - the last char gets chopped, dunno why */
-/*	    apr_cpystrn(ctx->buffer+strlen(ctx->buffer), response, len);*/
-	    strncat(ctx->buffer, response, len);
-	    APR_BUCKET_REMOVE(e);
-	    apr_bucket_destroy(e);
-	}
-
-	/* EOS? jump to footer */
-	if (eos) {
-	    ctx->state = FOOTER;
-	    break;
-	}
-
-	/* not complete? leave and try get some more */
-	if (!found) {
-	    return APR_SUCCESS;
-	}
-
-	/* a symlink? */
-	if (ctx->buffer[0] == 'l' && (filename=strstr(ctx->buffer, " -> ")) != NULL) {
-	    char *link_ptr = filename;
-
-	    do {
-		filename--;
-	    } while (filename[0] != ' ');
-	    *(filename++) = '\0';
-	    *(link_ptr++) = '\0';
-	    if ((n = strlen(link_ptr)) > 1 && link_ptr[n - 1] == '\n')
-	      link_ptr[n - 1] = '\0';
-	    str = apr_psprintf(p, "%s %s %s\n", ctx->buffer, filename, filename, link_ptr);
-	}
-
-	/* a directory/file? */
-	else if (ctx->buffer[0] == 'd' || ctx->buffer[0] == '-' || ctx->buffer[0] == 'l' || apr_isdigit(ctx->buffer[0])) {
-	    int searchidx = 0;
-	    char *searchptr = NULL;
-	    int firstfile = 1;
-	    if (apr_isdigit(ctx->buffer[0])) {	/* handle DOS dir */
-		searchptr = strchr(ctx->buffer, '<');
-		if (searchptr != NULL)
-		    *searchptr = '[';
-		searchptr = strchr(ctx->buffer, '>');
-		if (searchptr != NULL)
-		    *searchptr = ']';
-	    }
-
-	    filename = strrchr(ctx->buffer, ' ');
-	    *(filename++) = 0;
-	    filename[strlen(filename) - 1] = 0;
-
-	    /* handle filenames with spaces in 'em */
-	    if (!strcmp(filename, ".") || !strcmp(filename, "..") || firstfile) {
-		firstfile = 0;
-		searchidx = filename - ctx->buffer;
-	    }
-	    else if (searchidx != 0 && ctx->buffer[searchidx] != 0) {
-		*(--filename) = ' ';
-		ctx->buffer[searchidx - 1] = 0;
-		filename = &ctx->buffer[searchidx];
-	    }
-
-	    /* Special handling for '.' and '..' */
-	    if (!strcmp(filename, ".") || !strcmp(filename, "..") || ctx->buffer[0] == 'd') {
-		str = apr_psprintf(p, "%s %s\n",
-		    ctx->buffer, filename, filename);
-	    }
-	    else {
-		str = apr_psprintf(p, "%s %s\n",
-		    ctx->buffer, filename, filename);
-	    }
-	}
-	else {
-	    str = apr_pstrdup(p, ctx->buffer);
-	}
-
-	/* erase buffer for next time around */
-	ctx->buffer[0] = 0;
-
-	e = apr_bucket_pool_create(str, strlen(str), p);
-	APR_BRIGADE_INSERT_TAIL(out, e);
-	e = apr_bucket_flush_create();
-	APR_BRIGADE_INSERT_TAIL(out, e);
-	if (APR_SUCCESS != (rv = ap_pass_brigade(f->next, out))) {
-	    return rv;
-	}
-	apr_brigade_cleanup(out);
+/*          apr_cpystrn(ctx->buffer+strlen(ctx->buffer), response, len);*/
+            strncat(ctx->buffer, response, len);
+            APR_BUCKET_REMOVE(e);
+            apr_bucket_destroy(e);
+        }
+
+        /* EOS? jump to footer */
+        if (eos) {
+            ctx->state = FOOTER;
+            break;
+        }
+
+        /* not complete? leave and try get some more */
+        if (!found) {
+            return APR_SUCCESS;
+        }
+
+        /* a symlink? */
+        if (ctx->buffer[0] == 'l' && (filename = strstr(ctx->buffer, " -> ")) != NULL) {
+            char *link_ptr = filename;
+
+            do {
+                filename--;
+            } while (filename[0] != ' ');
+            *(filename++) = '\0';
+            *(link_ptr++) = '\0';
+            if ((n = strlen(link_ptr)) > 1 && link_ptr[n - 1] == '\n')
+                link_ptr[n - 1] = '\0';
+            str = apr_psprintf(p, "%s %s %s\n", ctx->buffer, filename, filename, link_ptr);
+        }
+
+        /* a directory/file? */
+        else if (ctx->buffer[0] == 'd' || ctx->buffer[0] == '-' || ctx->buffer[0] == 'l' || apr_isdigit(ctx->buffer[0])) {
+            int searchidx = 0;
+            char *searchptr = NULL;
+            int firstfile = 1;
+            if (apr_isdigit(ctx->buffer[0])) {  /* handle DOS dir */
+                searchptr = strchr(ctx->buffer, '<');
+                if (searchptr != NULL)
+                    *searchptr = '[';
+                searchptr = strchr(ctx->buffer, '>');
+                if (searchptr != NULL)
+                    *searchptr = ']';
+            }
+
+            filename = strrchr(ctx->buffer, ' ');
+            *(filename++) = 0;
+            filename[strlen(filename) - 1] = 0;
+
+            /* handle filenames with spaces in 'em */
+            if (!strcmp(filename, ".") || !strcmp(filename, "..") || firstfile) {
+                firstfile = 0;
+                searchidx = filename - ctx->buffer;
+            }
+            else if (searchidx != 0 && ctx->buffer[searchidx] != 0) {
+                *(--filename) = ' ';
+                ctx->buffer[searchidx - 1] = 0;
+                filename = &ctx->buffer[searchidx];
+            }
+
+            /* Special handling for '.' and '..' */
+            if (!strcmp(filename, ".") || !strcmp(filename, "..") || ctx->buffer[0] == 'd') {
+                str = apr_psprintf(p, "%s %s\n",
+                                   ctx->buffer, filename, filename);
+            }
+            else {
+                str = apr_psprintf(p, "%s %s\n",
+                                   ctx->buffer, filename, filename);
+            }
+        }
+        else {
+            str = apr_pstrdup(p, ctx->buffer);
+        }
+
+        /* erase buffer for next time around */
+        ctx->buffer[0] = 0;
+
+        e = apr_bucket_pool_create(str, strlen(str), p);
+        APR_BRIGADE_INSERT_TAIL(out, e);
+        e = apr_bucket_flush_create();
+        APR_BRIGADE_INSERT_TAIL(out, e);
+        if (APR_SUCCESS != (rv = ap_pass_brigade(f->next, out))) {
+            return rv;
+        }
+        apr_brigade_cleanup(out);
 
     }
 
     if (FOOTER == ctx->state) {
-	str = apr_psprintf(p, "
\n\n
\n\n%s\n\n\n\n", ap_psignature("", r)); - e = apr_bucket_pool_create(str, strlen(str), p); - APR_BRIGADE_INSERT_TAIL(out, e); + str = apr_psprintf(p, "
\n\n
\n\n%s\n\n\n\n", ap_psignature("", r)); + e = apr_bucket_pool_create(str, strlen(str), p); + APR_BRIGADE_INSERT_TAIL(out, e); - e = apr_bucket_flush_create(); - APR_BRIGADE_INSERT_TAIL(out, e); + e = apr_bucket_flush_create(); + APR_BRIGADE_INSERT_TAIL(out, e); - e = apr_bucket_eos_create(); - APR_BRIGADE_INSERT_TAIL(out, e); + e = apr_bucket_eos_create(); + APR_BRIGADE_INSERT_TAIL(out, e); - if (APR_SUCCESS != (rv = ap_pass_brigade(f->next, out))) { - return rv; - } - apr_brigade_destroy(out); + if (APR_SUCCESS != (rv = ap_pass_brigade(f->next, out))) { + return rv; + } + apr_brigade_destroy(out); } return APR_SUCCESS; @@ -501,23 +502,24 @@ apr_status_t ap_proxy_send_dir_filter(ap_filter_t *f, apr_bucket_brigade *in) * Note that we "invent" a realm name which consists of the * ftp://user@host part of the reqest (sans password -if supplied but invalid-) */ -static int ftp_unauthorized (request_rec *r, int log_it) +static int ftp_unauthorized(request_rec *r, int log_it) { r->proxyreq = PROXYREQ_NONE; - /* Log failed requests if they supplied a password - * (log username/password guessing attempts) + /* + * Log failed requests if they supplied a password (log username/password + * guessing attempts) */ if (log_it) - ap_log_rerror(APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, 0, r, - "proxy: missing or failed auth to %s", - apr_uri_unparse(r->pool, - &r->parsed_uri, APR_URI_UNP_OMITPATHINFO)); + ap_log_rerror(APLOG_MARK, APLOG_INFO | APLOG_NOERRNO, 0, r, + "proxy: missing or failed auth to %s", + apr_uri_unparse(r->pool, + &r->parsed_uri, APR_URI_UNP_OMITPATHINFO)); apr_table_setn(r->err_headers_out, "WWW-Authenticate", - apr_pstrcat(r->pool, "Basic realm=\"", - apr_uri_unparse(r->pool, &r->parsed_uri, - APR_URI_UNP_OMITPASSWORD|APR_URI_UNP_OMITPATHINFO), - "\"", NULL)); + apr_pstrcat(r->pool, "Basic realm=\"", + apr_uri_unparse(r->pool, &r->parsed_uri, + APR_URI_UNP_OMITPASSWORD | APR_URI_UNP_OMITPATHINFO), + "\"", NULL)); return HTTP_UNAUTHORIZED; } @@ -530,14 +532,14 @@ static int ftp_unauthorized (request_rec *r, int log_it) * PASV added by Chuck * Filters by [Graham Leggett ] */ -int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, - char *url, const char *proxyhost, - apr_port_t proxyport) +int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, + char *url, const char *proxyhost, + apr_port_t proxyport) { apr_pool_t *p = r->pool; conn_rec *c = r->connection; proxy_conn_rec *backend; - apr_socket_t *sock, *local_sock, *remote_sock=NULL; + apr_socket_t *sock, *local_sock, *remote_sock = NULL; apr_sockaddr_t *connect_addr; apr_status_t rv; conn_rec *origin, *remote; @@ -563,114 +565,114 @@ int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, /* is this for us? */ if (proxyhost) { - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: rejecting URL %s - proxyhost %s specified:", url, proxyhost); - return DECLINED; /* proxy connections are via HTTP */ + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: rejecting URL %s - proxyhost %s specified:", url, proxyhost); + return DECLINED; /* proxy connections are via HTTP */ } if (strncasecmp(url, "ftp:", 4)) { - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: rejecting URL %s - not ftp:", url); - return DECLINED; /* only interested in FTP */ + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: rejecting URL %s - not ftp:", url); + return DECLINED; /* only interested in FTP */ } - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: serving URL %s", url); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: serving URL %s", url); /* create space for state information */ backend = (proxy_conn_rec *) ap_get_module_config(c->conn_config, &proxy_ftp_module); if (!backend) { - backend = ap_pcalloc(c->pool, sizeof(proxy_conn_rec)); - backend->connection = NULL; - backend->hostname = NULL; - backend->port = 0; - ap_set_module_config(c->conn_config, &proxy_ftp_module, backend); + backend = ap_pcalloc(c->pool, sizeof(proxy_conn_rec)); + backend->connection = NULL; + backend->hostname = NULL; + backend->port = 0; + ap_set_module_config(c->conn_config, &proxy_ftp_module, backend); } origin_sock = ap_get_module_config(backend->connection->conn_config, &core_module); - /* - * I: Who Do I Connect To? - * ----------------------- - * + /* + * I: Who Do I Connect To? ----------------------- + * * Break up the URL to determine the host to connect to */ /* we only support GET and HEAD */ if (r->method_number != M_GET) - return HTTP_NOT_IMPLEMENTED; + return HTTP_NOT_IMPLEMENTED; /* We break the URL into host, port, path-search */ connectname = r->parsed_uri.hostname; connectport = (r->parsed_uri.port != 0) - ? r->parsed_uri.port - : apr_uri_default_port_for_scheme("ftp"); + ? r->parsed_uri.port + : apr_uri_default_port_for_scheme("ftp"); path = apr_pstrdup(p, r->parsed_uri.path); path = (path != NULL && path[0] != '\0') ? &path[1] : ""; parms = strchr(path, ';'); if (parms != NULL) - *(parms++) = '\0'; - - /* The "Authorization:" header must be checked first. - * We allow the user to "override" the URL-coded user [ & password ] - * in the Browsers' User&Password Dialog. - * NOTE that this is only marginally more secure than having the - * password travel in plain as part of the URL, because Basic Auth - * simply uuencodes the plain text password. - * But chances are still smaller that the URL is logged regularly. + *(parms++) = '\0'; + + /* + * The "Authorization:" header must be checked first. We allow the user + * to "override" the URL-coded user [ & password ] in the Browsers' + * User&Password Dialog. NOTE that this is only marginally more secure + * than having the password travel in plain as part of the URL, because + * Basic Auth simply uuencodes the plain text password. But chances are + * still smaller that the URL is logged regularly. */ if ((password = apr_table_get(r->headers_in, "Authorization")) != NULL - && strcasecmp(ap_getword(r->pool, &password, ' '), "Basic") == 0 - && (password = ap_pbase64decode(r->pool, password))[0] != ':') { - /* Note that this allocation has to be made from r->connection->pool - * because it has the lifetime of the connection. The other allocations - * are temporary and can be tossed away any time. - */ - user = ap_getword_nulls (r->connection->pool, &password, ':'); - r->ap_auth_type = "Basic"; - r->user = r->parsed_uri.user = user; + && strcasecmp(ap_getword(r->pool, &password, ' '), "Basic") == 0 + && (password = ap_pbase64decode(r->pool, password))[0] != ':') { + /* + * Note that this allocation has to be made from r->connection->pool + * because it has the lifetime of the connection. The other + * allocations are temporary and can be tossed away any time. + */ + user = ap_getword_nulls(r->connection->pool, &password, ':'); + r->ap_auth_type = "Basic"; + r->user = r->parsed_uri.user = user; } else if ((user = r->parsed_uri.user) != NULL) { - user = apr_pstrdup(p, user); - decodeenc(user); - if ((password = r->parsed_uri.password) != NULL) { - char *tmp = apr_pstrdup(p, password); - decodeenc(tmp); - password = tmp; - } + user = apr_pstrdup(p, user); + decodeenc(user); + if ((password = r->parsed_uri.password) != NULL) { + char *tmp = apr_pstrdup(p, password); + decodeenc(tmp); + password = tmp; + } } else { - user = "anonymous"; - password = "apache-proxy@"; + user = "anonymous"; + password = "apache-proxy@"; } - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: connecting %s to %s:%d", url, connectname, connectport); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: connecting %s to %s:%d", url, connectname, connectport); /* do a DNS lookup for the destination host */ err = apr_sockaddr_info_get(&connect_addr, connectname, APR_UNSPEC, connectport, 0, p); /* check if ProxyBlock directive on this host */ if (OK != ap_proxy_checkproxyblock(r, conf, connect_addr)) { - return ap_proxyerror(r, HTTP_FORBIDDEN, - "Connect to remote machine blocked"); + return ap_proxyerror(r, HTTP_FORBIDDEN, + "Connect to remote machine blocked"); } /* - * II: Make the Connection - * ----------------------- - * + * II: Make the Connection ----------------------- + * * We have determined who to connect to. Now make the connection. */ - /* get all the possible IP addresses for the destname and loop through them - * until we get a successful connection + /* + * get all the possible IP addresses for the destname and loop through + * them until we get a successful connection */ if (APR_SUCCESS != err) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, apr_pstrcat(p, - "DNS lookup failure for: ", - connectname, NULL)); + return ap_proxyerror(r, HTTP_BAD_GATEWAY, apr_pstrcat(p, + "DNS lookup failure for: ", + connectname, NULL)); } @@ -682,133 +684,132 @@ int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, #if !defined(TPF) && !defined(BEOS) if (conf->recv_buffer_size > 0 - && (rv = apr_setsocketopt(sock, APR_SO_RCVBUF, - conf->recv_buffer_size))) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, - "setsockopt(SO_RCVBUF): Failed to set ProxyReceiveBufferSize, using default"); + && (rv = apr_setsocketopt(sock, APR_SO_RCVBUF, + conf->recv_buffer_size))) { + ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, + "setsockopt(SO_RCVBUF): Failed to set ProxyReceiveBufferSize, using default"); } #endif if (APR_SUCCESS != (rv = apr_setsocketopt(sock, APR_SO_REUSEADDR, one))) { -#ifndef _OSD_POSIX /* BS2000 has this option "always on" */ - ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, - "proxy: FTP: error setting reuseaddr option: setsockopt(SO_REUSEADDR)"); - return HTTP_INTERNAL_SERVER_ERROR; -#endif /*_OSD_POSIX*/ +#ifndef _OSD_POSIX /* BS2000 has this option "always on" */ + ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, + "proxy: FTP: error setting reuseaddr option: setsockopt(SO_REUSEADDR)"); + return HTTP_INTERNAL_SERVER_ERROR; +#endif /* _OSD_POSIX */ } /* Set a timeout on the socket */ apr_setsocketopt(sock, APR_SO_TIMEOUT, (int)(r->server->timeout * APR_USEC_PER_SEC)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: socket has been created"); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: socket has been created"); /* - * At this point we have a list of one or more IP addresses of - * the machine to connect to. If configured, reorder this - * list so that the "best candidate" is first try. "best - * candidate" could mean the least loaded server, the fastest - * responding server, whatever. - * - * For now we do nothing, ie we get DNS round robin. - * XXX FIXME + * At this point we have a list of one or more IP addresses of the + * machine to connect to. If configured, reorder this list so that the + * "best candidate" is first try. "best candidate" could mean the least + * loaded server, the fastest responding server, whatever. + * + * For now we do nothing, ie we get DNS round robin. XXX FIXME */ /* try each IP address until we connect successfully */ { - int failed = 1; - while (connect_addr) { + int failed = 1; + while (connect_addr) { - /* make the connection out of the socket */ - rv = apr_connect(sock, connect_addr); + /* make the connection out of the socket */ + rv = apr_connect(sock, connect_addr); - /* if an error occurred, loop round and try again */ + /* if an error occurred, loop round and try again */ if (rv != APR_SUCCESS) { - ap_log_error(APLOG_MARK, APLOG_ERR, rv, r->server, - "proxy: FTP: attempt to connect to %pI (%s) failed", connect_addr, connectname); - connect_addr = connect_addr->next; - continue; + ap_log_error(APLOG_MARK, APLOG_ERR, rv, r->server, + "proxy: FTP: attempt to connect to %pI (%s) failed", connect_addr, connectname); + connect_addr = connect_addr->next; + continue; } - /* if we get here, all is well */ - failed = 0; - break; - } - - /* handle a permanent error from the above loop */ - if (failed) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, apr_psprintf(r->pool, - "Could not connect to remote machine: %s port %d", - connectname, connectport)); - } + /* if we get here, all is well */ + failed = 0; + break; + } + + /* handle a permanent error from the above loop */ + if (failed) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, apr_psprintf(r->pool, + "Could not connect to remote machine: %s port %d", + connectname, connectport)); + } } /* the socket is now open, create a new connection */ origin = ap_new_connection(p, r->server, sock, r->connection->id, r->connection->sbh); if (!origin) { - /* the peer reset the connection already; ap_new_connection() - * closed the socket */ - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: an error occurred creating a new connection to %pI (%s)", connect_addr, connectname); - return HTTP_INTERNAL_SERVER_ERROR; + /* + * the peer reset the connection already; ap_new_connection() closed + * the socket + */ + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: an error occurred creating a new connection to %pI (%s)", connect_addr, connectname); + return HTTP_INTERNAL_SERVER_ERROR; } /* if a keepalive connection is floating around, close it first! */ /* we might support ftp keepalives later, but not now... */ if (backend->connection) { - apr_socket_close(origin_sock); - backend->connection = NULL; + apr_socket_close(origin_sock); + backend->connection = NULL; } - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: control connection complete"); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: control connection complete"); /* - * III: Send Control Request - * ------------------------- - * - * Log into the ftp server, send the username & password, change to the correct - * directory... + * III: Send Control Request ------------------------- + * + * Log into the ftp server, send the username & password, change to the + * correct directory... */ /* set up the connection filters */ ap_proxy_pre_http_connection(origin); /* possible results: */ - /* 120 Service ready in nnn minutes. */ - /* 220 Service ready for new user. */ - /* 421 Service not available, closing control connection. */ + /* 120 Service ready in nnn minutes. */ + /* 220 Service ready for new user. */ + /* 421 Service not available, closing control connection. */ rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); if (rc == -1) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, "Error reading from remote server"); + return ap_proxyerror(r, HTTP_BAD_GATEWAY, "Error reading from remote server"); } if (rc == 120) { - /* RFC2616 states: - * 14.37 Retry-After - * - * The Retry-After response-header field can be used with a 503 (Service - * Unavailable) response to indicate how long the service is expected to - * be unavailable to the requesting client. [...] The value of this field - * can be either an HTTP-date or an integer number of seconds (in decimal) - * after the time of the response. - * Retry-After = "Retry-After" ":" ( HTTP-date | delta-seconds ) - */ - for (i = 0; buffer[i] && !isdigit(buffer[i]); i++); - if (buffer[i]) { - ap_table_add(r->headers_out, "Retry-After", apr_psprintf(p, "%lu", 60*atol(buffer+i))); - } - return ap_proxyerror(r, HTTP_SERVICE_UNAVAILABLE, buffer); + /* + * RFC2616 states: 14.37 Retry-After + * + * The Retry-After response-header field can be used with a 503 (Service + * Unavailable) response to indicate how long the service is expected + * to be unavailable to the requesting client. [...] The value of + * this field can be either an HTTP-date or an integer number of + * seconds (in decimal) after the time of the response. Retry-After + * = "Retry-After" ":" ( HTTP-date | delta-seconds ) + */ + for (i = 0; buffer[i] && !isdigit(buffer[i]); i++); + if (buffer[i]) { + ap_table_add(r->headers_out, "Retry-After", apr_psprintf(p, "%lu", 60 * atol(buffer + i))); + } + return ap_proxyerror(r, HTTP_SERVICE_UNAVAILABLE, buffer); } if (rc != 220) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); + return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); } - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, "proxy: FTP: connected."); buf = apr_pstrcat(p, "USER ", user, CRLF, NULL); @@ -817,124 +818,126 @@ int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, e = apr_bucket_flush_create(); APR_BRIGADE_INSERT_TAIL(bb, e); ap_pass_brigade(origin->output_filters, bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, "proxy: FTP: USER %s", user); /* possible results; 230, 331, 332, 421, 500, 501, 530 */ /* states: 1 - error, 2 - success; 3 - send password, 4,5 fail */ - /* 230 User logged in, proceed. */ - /* 331 User name okay, need password. */ - /* 332 Need account for login. */ - /* 421 Service not available, closing control connection. */ - /* 500 Syntax error, command unrecognized. */ - /* (This may include errors such as command line too long.) */ - /* 501 Syntax error in parameters or arguments. */ - /* 530 Not logged in. */ + /* 230 User logged in, proceed. */ + /* 331 User name okay, need password. */ + /* 332 Need account for login. */ + /* 421 Service not available, closing control connection. */ + /* 500 Syntax error, command unrecognized. */ + /* (This may include errors such as command line too long.) */ + /* 501 Syntax error in parameters or arguments. */ + /* 530 Not logged in. */ rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); if (rc == -1) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, "Error reading from remote server"); + return ap_proxyerror(r, HTTP_BAD_GATEWAY, "Error reading from remote server"); } if (rc == 530) { - return ftp_unauthorized (r, 1); /* log it: user name guessing attempt? */ + return ftp_unauthorized(r, 1); /* log it: user name guessing + * attempt? */ } if (rc != 230 && rc != 331) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); + return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); } - if (rc == 331) { /* send password */ - if (password == NULL) { - return ftp_unauthorized (r, 0); - } - buf = apr_pstrcat(p, "PASS ", password, CRLF, NULL); - e = apr_bucket_pool_create(buf, strlen(buf), p); - APR_BRIGADE_INSERT_TAIL(bb, e); - e = apr_bucket_flush_create(); - APR_BRIGADE_INSERT_TAIL(bb, e); - ap_pass_brigade(origin->output_filters, bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, + if (rc == 331) { /* send password */ + if (password == NULL) { + return ftp_unauthorized(r, 0); + } + buf = apr_pstrcat(p, "PASS ", password, CRLF, NULL); + e = apr_bucket_pool_create(buf, strlen(buf), p); + APR_BRIGADE_INSERT_TAIL(bb, e); + e = apr_bucket_flush_create(); + APR_BRIGADE_INSERT_TAIL(bb, e); + ap_pass_brigade(origin->output_filters, bb); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, "proxy: FTP: PASS %s", password); - /* possible results 202, 230, 332, 421, 500, 501, 503, 530 */ - /* 230 User logged in, proceed. */ - /* 332 Need account for login. */ - /* 421 Service not available, closing control connection. */ - /* 500 Syntax error, command unrecognized. */ - /* 501 Syntax error in parameters or arguments. */ - /* 503 Bad sequence of commands. */ - /* 530 Not logged in. */ - rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); - if (rc == -1) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, - "Error reading from remote server"); - } - if (rc == 332) { - return ap_proxyerror(r, HTTP_UNAUTHORIZED, - apr_pstrcat(p, "Need account for login: ", buffer, NULL)); - } - /* @@@ questionable -- we might as well return a 403 Forbidden here */ - if (rc == 530) { - return ftp_unauthorized (r, 1); /* log it: passwd guessing attempt? */ - } - if (rc != 230 && rc != 202) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); - } + /* possible results 202, 230, 332, 421, 500, 501, 503, 530 */ + /* 230 User logged in, proceed. */ + /* 332 Need account for login. */ + /* 421 Service not available, closing control connection. */ + /* 500 Syntax error, command unrecognized. */ + /* 501 Syntax error in parameters or arguments. */ + /* 503 Bad sequence of commands. */ + /* 530 Not logged in. */ + rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); + if (rc == -1) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, + "Error reading from remote server"); + } + if (rc == 332) { + return ap_proxyerror(r, HTTP_UNAUTHORIZED, + apr_pstrcat(p, "Need account for login: ", buffer, NULL)); + } + /* @@@ questionable -- we might as well return a 403 Forbidden here */ + if (rc == 530) { + return ftp_unauthorized(r, 1); /* log it: passwd guessing + * attempt? */ + } + if (rc != 230 && rc != 202) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); + } } apr_table_set(r->notes, "Directory-README", buffer); - /* set the directory (walk directory component by component): - * this is what we must do if we don't know the OS type of the remote - * machine + /* + * set the directory (walk directory component by component): this is + * what we must do if we don't know the OS type of the remote machine */ for (;;) { - strp = strchr(path, '/'); - if (strp == NULL) - break; - *strp = '\0'; - - len = decodeenc(path); - buf = apr_pstrcat(p, "CWD ", path, CRLF, NULL); - e = apr_bucket_pool_create(buf, strlen(buf), p); - APR_BRIGADE_INSERT_TAIL(bb, e); - e = apr_bucket_flush_create(); - APR_BRIGADE_INSERT_TAIL(bb, e); - ap_pass_brigade(origin->output_filters, bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, + strp = strchr(path, '/'); + if (strp == NULL) + break; + *strp = '\0'; + + len = decodeenc(path); + buf = apr_pstrcat(p, "CWD ", path, CRLF, NULL); + e = apr_bucket_pool_create(buf, strlen(buf), p); + APR_BRIGADE_INSERT_TAIL(bb, e); + e = apr_bucket_flush_create(); + APR_BRIGADE_INSERT_TAIL(bb, e); + ap_pass_brigade(origin->output_filters, bb); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, "proxy: FTP: CWD %s", path); - *strp = '/'; - /* responses: 250, 421, 500, 501, 502, 530, 550 */ - /* 250 Requested file action okay, completed. */ - /* 421 Service not available, closing control connection. */ - /* 500 Syntax error, command unrecognized. */ - /* 501 Syntax error in parameters or arguments. */ - /* 502 Command not implemented. */ - /* 530 Not logged in. */ - /* 550 Requested action not taken. */ - rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); - if (rc == -1) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, - "Error reading from remote server"); - } - if (rc == 550) { - return ap_proxyerror(r, HTTP_NOT_FOUND, buffer); - } - if (rc != 250) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); - } - - path = strp + 1; + *strp = '/'; + /* responses: 250, 421, 500, 501, 502, 530, 550 */ + /* 250 Requested file action okay, completed. */ + /* 421 Service not available, closing control connection. */ + /* 500 Syntax error, command unrecognized. */ + /* 501 Syntax error in parameters or arguments. */ + /* 502 Command not implemented. */ + /* 530 Not logged in. */ + /* 550 Requested action not taken. */ + rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); + if (rc == -1) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, + "Error reading from remote server"); + } + if (rc == 550) { + return ap_proxyerror(r, HTTP_NOT_FOUND, buffer); + } + if (rc != 250) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); + } + + path = strp + 1; } if (parms != NULL && strncasecmp(parms, "type=a", 6) == 0) { - parms = "A"; + parms = "A"; } else { - parms = "I"; + parms = "I"; } /* changed to make binary transfers the default */ @@ -945,323 +948,322 @@ int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, e = apr_bucket_flush_create(); APR_BRIGADE_INSERT_TAIL(bb, e); ap_pass_brigade(origin->output_filters, bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: TYPE I"); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: TYPE I"); /* responses: 200, 421, 500, 501, 504, 530 */ - /* 200 Command okay. */ - /* 421 Service not available, closing control connection. */ - /* 500 Syntax error, command unrecognized. */ - /* 501 Syntax error in parameters or arguments. */ - /* 504 Command not implemented for that parameter. */ - /* 530 Not logged in. */ + /* 200 Command okay. */ + /* 421 Service not available, closing control connection. */ + /* 500 Syntax error, command unrecognized. */ + /* 501 Syntax error in parameters or arguments. */ + /* 504 Command not implemented for that parameter. */ + /* 530 Not logged in. */ rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); if (rc == -1) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, - "Error reading from remote server"); + return ap_proxyerror(r, HTTP_BAD_GATEWAY, + "Error reading from remote server"); } if (rc != 200 && rc != 504) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); + return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); } /* Allow not implemented */ if (rc == 504) { - parms[0] = '\0'; + parms[0] = '\0'; } /* - * IV: Make Data Connection? - * ------------------------- - * - * Try EPSV, if that fails... - * try PASV, if that fails... - * try PORT. + * IV: Make Data Connection? ------------------------- + * + * Try EPSV, if that fails... try PASV, if that fails... try PORT. */ /* this temporarily switches off EPSV/PASV */ /*goto bypass;*/ /* set up data connection - EPSV */ { - apr_sockaddr_t *remote_addr; - char *remote_ip; - apr_port_t remote_port; - - /* The EPSV command replaces PASV where both IPV4 and IPV6 is supported. Only - * the port is returned, the IP address is always the same as that on the - * control connection. Example: - * Entering Extended Passive Mode (|||6446|) - */ - buf = apr_pstrcat(p, "EPSV", CRLF, NULL); - e = apr_bucket_pool_create(buf, strlen(buf), p); - APR_BRIGADE_INSERT_TAIL(bb, e); - e = apr_bucket_flush_create(); - APR_BRIGADE_INSERT_TAIL(bb, e); - ap_pass_brigade(origin->output_filters, bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, + apr_sockaddr_t *remote_addr; + char *remote_ip; + apr_port_t remote_port; + + /* + * The EPSV command replaces PASV where both IPV4 and IPV6 is + * supported. Only the port is returned, the IP address is always the + * same as that on the control connection. Example: Entering Extended + * Passive Mode (|||6446|) + */ + buf = apr_pstrcat(p, "EPSV", CRLF, NULL); + e = apr_bucket_pool_create(buf, strlen(buf), p); + APR_BRIGADE_INSERT_TAIL(bb, e); + e = apr_bucket_flush_create(); + APR_BRIGADE_INSERT_TAIL(bb, e); + ap_pass_brigade(origin->output_filters, bb); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, "proxy: FTP: EPSV"); - /* possible results: 227, 421, 500, 501, 502, 530 */ - /* 227 Entering Passive Mode (h1,h2,h3,h4,p1,p2). */ - /* 421 Service not available, closing control connection. */ - /* 500 Syntax error, command unrecognized. */ - /* 501 Syntax error in parameters or arguments. */ - /* 502 Command not implemented. */ - /* 530 Not logged in. */ - rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); - if (rc == -1) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, - "Error reading from remote server"); - } - if (rc != 229 && rc != 500 && rc != 501 && rc != 502) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); - } - else if (rc == 229) { - char *pstr; - char *tok_cntx; - - pstr = apr_pstrdup(p, buffer); - pstr = apr_strtok(pstr, " ", &tok_cntx); /* separate result code */ - if (pstr != NULL) { - if (*(pstr + strlen(pstr) + 1) == '=') { - pstr += strlen(pstr) + 2; - } - else { - pstr = apr_strtok(NULL, "(", &tok_cntx); /* separate address & port params */ - if (pstr != NULL) - pstr = apr_strtok(NULL, ")", &tok_cntx); - } - } - - if (pstr) { - apr_sockaddr_t *epsv_addr; - remote_port = atoi(pstr+3); - - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: EPSV contacting remote host on port %d", + /* possible results: 227, 421, 500, 501, 502, 530 */ + /* 227 Entering Passive Mode (h1,h2,h3,h4,p1,p2). */ + /* 421 Service not available, closing control connection. */ + /* 500 Syntax error, command unrecognized. */ + /* 501 Syntax error in parameters or arguments. */ + /* 502 Command not implemented. */ + /* 530 Not logged in. */ + rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); + if (rc == -1) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, + "Error reading from remote server"); + } + if (rc != 229 && rc != 500 && rc != 501 && rc != 502) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); + } + else if (rc == 229) { + char *pstr; + char *tok_cntx; + + pstr = apr_pstrdup(p, buffer); + pstr = apr_strtok(pstr, " ", &tok_cntx); /* separate result code */ + if (pstr != NULL) { + if (*(pstr + strlen(pstr) + 1) == '=') { + pstr += strlen(pstr) + 2; + } + else { + pstr = apr_strtok(NULL, "(", &tok_cntx); /* separate address & + * port params */ + if (pstr != NULL) + pstr = apr_strtok(NULL, ")", &tok_cntx); + } + } + + if (pstr) { + apr_sockaddr_t *epsv_addr; + remote_port = atoi(pstr + 3); + + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: EPSV contacting remote host on port %d", remote_port); - if ((rv = apr_socket_create(&remote_sock, APR_INET, SOCK_STREAM, r->pool)) != APR_SUCCESS) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, - "proxy: FTP: error creating EPSV socket"); - return HTTP_INTERNAL_SERVER_ERROR; - } + if ((rv = apr_socket_create(&remote_sock, APR_INET, SOCK_STREAM, r->pool)) != APR_SUCCESS) { + ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, + "proxy: FTP: error creating EPSV socket"); + return HTTP_INTERNAL_SERVER_ERROR; + } #if !defined (TPF) && !defined(BEOS) - if (conf->recv_buffer_size > 0 && (rv = apr_setsocketopt(remote_sock, APR_SO_RCVBUF, - conf->recv_buffer_size))) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, - "proxy: FTP: setsockopt(SO_RCVBUF): Failed to set ProxyReceiveBufferSize, using default"); - } + if (conf->recv_buffer_size > 0 && (rv = apr_setsocketopt(remote_sock, APR_SO_RCVBUF, + conf->recv_buffer_size))) { + ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, + "proxy: FTP: setsockopt(SO_RCVBUF): Failed to set ProxyReceiveBufferSize, using default"); + } #endif - /* make the connection */ - apr_socket_addr_get(&remote_addr, APR_REMOTE, sock); - apr_sockaddr_ip_get(&remote_ip, remote_addr); - apr_sockaddr_info_get(&epsv_addr, remote_ip, APR_INET, remote_port, 0, p); - rv = apr_connect(remote_sock, epsv_addr); - if (rv != APR_SUCCESS) { - ap_log_error(APLOG_MARK, APLOG_ERR, rv, r->server, - "proxy: FTP: EPSV attempt to connect to %pI failed - Firewall/NAT?", epsv_addr); - return ap_proxyerror(r, HTTP_BAD_GATEWAY, apr_psprintf(r->pool, - "EPSV attempt to connect to %pI failed - firewall/NAT?", epsv_addr)); - } - else { - connect = 1; - } - } - else { - /* and try the regular way */ - apr_socket_close(remote_sock); - } - } + /* make the connection */ + apr_socket_addr_get(&remote_addr, APR_REMOTE, sock); + apr_sockaddr_ip_get(&remote_ip, remote_addr); + apr_sockaddr_info_get(&epsv_addr, remote_ip, APR_INET, remote_port, 0, p); + rv = apr_connect(remote_sock, epsv_addr); + if (rv != APR_SUCCESS) { + ap_log_error(APLOG_MARK, APLOG_ERR, rv, r->server, + "proxy: FTP: EPSV attempt to connect to %pI failed - Firewall/NAT?", epsv_addr); + return ap_proxyerror(r, HTTP_BAD_GATEWAY, apr_psprintf(r->pool, + "EPSV attempt to connect to %pI failed - firewall/NAT?", epsv_addr)); + } + else { + connect = 1; + } + } + else { + /* and try the regular way */ + apr_socket_close(remote_sock); + } + } } /* set up data connection - PASV */ if (!connect) { - buf = apr_pstrcat(p, "PASV", CRLF, NULL); - e = apr_bucket_pool_create(buf, strlen(buf), p); - APR_BRIGADE_INSERT_TAIL(bb, e); - e = apr_bucket_flush_create(); - APR_BRIGADE_INSERT_TAIL(bb, e); - ap_pass_brigade(origin->output_filters, bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, + buf = apr_pstrcat(p, "PASV", CRLF, NULL); + e = apr_bucket_pool_create(buf, strlen(buf), p); + APR_BRIGADE_INSERT_TAIL(bb, e); + e = apr_bucket_flush_create(); + APR_BRIGADE_INSERT_TAIL(bb, e); + ap_pass_brigade(origin->output_filters, bb); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, "proxy: FTP: PASV"); - /* possible results: 227, 421, 500, 501, 502, 530 */ - /* 227 Entering Passive Mode (h1,h2,h3,h4,p1,p2). */ - /* 421 Service not available, closing control connection. */ - /* 500 Syntax error, command unrecognized. */ - /* 501 Syntax error in parameters or arguments. */ - /* 502 Command not implemented. */ - /* 530 Not logged in. */ - rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); - if (rc == -1) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, - "Error reading from remote server"); - } - if (rc != 227 && rc != 502) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); - } - else if (rc == 227) { - unsigned int h0, h1, h2, h3, p0, p1; - char *pstr; - char *tok_cntx; + /* possible results: 227, 421, 500, 501, 502, 530 */ + /* 227 Entering Passive Mode (h1,h2,h3,h4,p1,p2). */ + /* 421 Service not available, closing control connection. */ + /* 500 Syntax error, command unrecognized. */ + /* 501 Syntax error in parameters or arguments. */ + /* 502 Command not implemented. */ + /* 530 Not logged in. */ + rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); + if (rc == -1) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, + "Error reading from remote server"); + } + if (rc != 227 && rc != 502) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); + } + else if (rc == 227) { + unsigned int h0, h1, h2, h3, p0, p1; + char *pstr; + char *tok_cntx; /* FIXME: Check PASV against RFC1123 */ - pstr = apr_pstrdup(p, buffer); - pstr = apr_strtok(pstr, " ", &tok_cntx); /* separate result code */ - if (pstr != NULL) { - if (*(pstr + strlen(pstr) + 1) == '=') { - pstr += strlen(pstr) + 2; - } - else { - pstr = apr_strtok(NULL, "(", &tok_cntx); /* separate address & port params */ - if (pstr != NULL) - pstr = apr_strtok(NULL, ")", &tok_cntx); - } - } + pstr = apr_pstrdup(p, buffer); + pstr = apr_strtok(pstr, " ", &tok_cntx); /* separate result code */ + if (pstr != NULL) { + if (*(pstr + strlen(pstr) + 1) == '=') { + pstr += strlen(pstr) + 2; + } + else { + pstr = apr_strtok(NULL, "(", &tok_cntx); /* separate address & + * port params */ + if (pstr != NULL) + pstr = apr_strtok(NULL, ")", &tok_cntx); + } + } /* FIXME: Only supports IPV4 - fix in RFC2428 */ - if (pstr != NULL && (sscanf(pstr, - "%d,%d,%d,%d,%d,%d", &h3, &h2, &h1, &h0, &p1, &p0) == 6)) { + if (pstr != NULL && (sscanf(pstr, + "%d,%d,%d,%d,%d,%d", &h3, &h2, &h1, &h0, &p1, &p0) == 6)) { - apr_sockaddr_t *pasv_addr; - apr_port_t pasvport = (p1 << 8) + p0; - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: PASV contacting host %d.%d.%d.%d:%d", + apr_sockaddr_t *pasv_addr; + apr_port_t pasvport = (p1 << 8) + p0; + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: PASV contacting host %d.%d.%d.%d:%d", h3, h2, h1, h0, pasvport); - if ((rv = apr_socket_create(&remote_sock, APR_INET, SOCK_STREAM, r->pool)) != APR_SUCCESS) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, - "proxy: error creating PASV socket"); - return HTTP_INTERNAL_SERVER_ERROR; - } + if ((rv = apr_socket_create(&remote_sock, APR_INET, SOCK_STREAM, r->pool)) != APR_SUCCESS) { + ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, + "proxy: error creating PASV socket"); + return HTTP_INTERNAL_SERVER_ERROR; + } #if !defined (TPF) && !defined(BEOS) - if (conf->recv_buffer_size > 0 && (rv = apr_setsocketopt(remote_sock, APR_SO_RCVBUF, - conf->recv_buffer_size))) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, - "proxy: FTP: setsockopt(SO_RCVBUF): Failed to set ProxyReceiveBufferSize, using default"); - } + if (conf->recv_buffer_size > 0 && (rv = apr_setsocketopt(remote_sock, APR_SO_RCVBUF, + conf->recv_buffer_size))) { + ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, + "proxy: FTP: setsockopt(SO_RCVBUF): Failed to set ProxyReceiveBufferSize, using default"); + } #endif - /* make the connection */ - apr_sockaddr_info_get(&pasv_addr, apr_psprintf(p, "%d.%d.%d.%d", h3, h2, h1, h0), APR_INET, pasvport, 0, p); - rv = apr_connect(remote_sock, pasv_addr); - if (rv != APR_SUCCESS) { - ap_log_error(APLOG_MARK, APLOG_ERR, rv, r->server, - "proxy: FTP: PASV attempt to connect to %pI failed - Firewall/NAT?", pasv_addr); - return ap_proxyerror(r, HTTP_BAD_GATEWAY, apr_psprintf(r->pool, - "PASV attempt to connect to %pI failed - firewall/NAT?", pasv_addr)); - } - else { - connect = 1; - } - } - else { - /* and try the regular way */ - apr_socket_close(remote_sock); - } - } + /* make the connection */ + apr_sockaddr_info_get(&pasv_addr, apr_psprintf(p, "%d.%d.%d.%d", h3, h2, h1, h0), APR_INET, pasvport, 0, p); + rv = apr_connect(remote_sock, pasv_addr); + if (rv != APR_SUCCESS) { + ap_log_error(APLOG_MARK, APLOG_ERR, rv, r->server, + "proxy: FTP: PASV attempt to connect to %pI failed - Firewall/NAT?", pasv_addr); + return ap_proxyerror(r, HTTP_BAD_GATEWAY, apr_psprintf(r->pool, + "PASV attempt to connect to %pI failed - firewall/NAT?", pasv_addr)); + } + else { + connect = 1; + } + } + else { + /* and try the regular way */ + apr_socket_close(remote_sock); + } + } } /*bypass:*/ /* set up data connection - PORT */ if (!connect) { - apr_sockaddr_t *local_addr; - char *local_ip; - apr_port_t local_port; - unsigned int h0, h1, h2, h3, p0, p1; - - if ((rv = apr_socket_create(&local_sock, APR_INET, SOCK_STREAM, r->pool)) != APR_SUCCESS) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, - "proxy: FTP: error creating local socket"); - return HTTP_INTERNAL_SERVER_ERROR; - } + apr_sockaddr_t *local_addr; + char *local_ip; + apr_port_t local_port; + unsigned int h0, h1, h2, h3, p0, p1; + + if ((rv = apr_socket_create(&local_sock, APR_INET, SOCK_STREAM, r->pool)) != APR_SUCCESS) { + ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, + "proxy: FTP: error creating local socket"); + return HTTP_INTERNAL_SERVER_ERROR; + } apr_socket_addr_get(&local_addr, APR_LOCAL, sock); apr_sockaddr_port_get(&local_port, local_addr); apr_sockaddr_ip_get(&local_ip, local_addr); - if ((rv = apr_setsocketopt(local_sock, APR_SO_REUSEADDR, one)) != APR_SUCCESS) { -#ifndef _OSD_POSIX /* BS2000 has this option "always on" */ - ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, - "proxy: FTP: error setting reuseaddr option"); - return HTTP_INTERNAL_SERVER_ERROR; -#endif /*_OSD_POSIX*/ - } + if ((rv = apr_setsocketopt(local_sock, APR_SO_REUSEADDR, one)) != APR_SUCCESS) { +#ifndef _OSD_POSIX /* BS2000 has this option "always on" */ + ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, + "proxy: FTP: error setting reuseaddr option"); + return HTTP_INTERNAL_SERVER_ERROR; +#endif /* _OSD_POSIX */ + } apr_sockaddr_info_get(&local_addr, local_ip, APR_UNSPEC, local_port, 0, r->pool); - if ((rv = apr_bind(local_sock, local_addr)) != APR_SUCCESS) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, - "proxy: FTP: error binding to ftp data socket %pI", local_addr); - return HTTP_INTERNAL_SERVER_ERROR; - } + if ((rv = apr_bind(local_sock, local_addr)) != APR_SUCCESS) { + ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, + "proxy: FTP: error binding to ftp data socket %pI", local_addr); + return HTTP_INTERNAL_SERVER_ERROR; + } - /* only need a short queue */ - if ((rv = apr_listen(local_sock, 2)) != APR_SUCCESS) { - ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, - "proxy: FTP: error listening to ftp data socket %pI", local_addr); - return HTTP_INTERNAL_SERVER_ERROR; - } + /* only need a short queue */ + if ((rv = apr_listen(local_sock, 2)) != APR_SUCCESS) { + ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, + "proxy: FTP: error listening to ftp data socket %pI", local_addr); + return HTTP_INTERNAL_SERVER_ERROR; + } /* FIXME: Sent PORT here */ - if (local_ip && (sscanf(local_ip, - "%d.%d.%d.%d", &h3, &h2, &h1, &h0) == 4)) { - p1 = (local_port >> 8); - p0 = (local_port & 0xFF); - - buf = apr_psprintf(p, "PORT %d,%d,%d,%d,%d,%d" CRLF, h3, h2, h1, h0, p1, p0); - e = apr_bucket_pool_create(buf, strlen(buf), p); - APR_BRIGADE_INSERT_TAIL(bb, e); - e = apr_bucket_flush_create(); - APR_BRIGADE_INSERT_TAIL(bb, e); - ap_pass_brigade(origin->output_filters, bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: PORT %d,%d,%d,%d,%d,%d", h3, h2, h1, h0, p1, p0); - /* possible results: 200, 421, 500, 501, 502, 530 */ - /* 200 Command okay. */ - /* 421 Service not available, closing control connection. */ - /* 500 Syntax error, command unrecognized. */ - /* 501 Syntax error in parameters or arguments. */ - /* 502 Command not implemented. */ - /* 530 Not logged in. */ - rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); - if (rc == -1) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, - "Error reading from remote server"); - } - if (rc != 200) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); - } - - /* signal that we must use the EPRT/PORT loop */ - use_port = 1; - } - else { + if (local_ip && (sscanf(local_ip, + "%d.%d.%d.%d", &h3, &h2, &h1, &h0) == 4)) { + p1 = (local_port >> 8); + p0 = (local_port & 0xFF); + + buf = apr_psprintf(p, "PORT %d,%d,%d,%d,%d,%d" CRLF, h3, h2, h1, h0, p1, p0); + e = apr_bucket_pool_create(buf, strlen(buf), p); + APR_BRIGADE_INSERT_TAIL(bb, e); + e = apr_bucket_flush_create(); + APR_BRIGADE_INSERT_TAIL(bb, e); + ap_pass_brigade(origin->output_filters, bb); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: PORT %d,%d,%d,%d,%d,%d", h3, h2, h1, h0, p1, p0); + /* possible results: 200, 421, 500, 501, 502, 530 */ + /* 200 Command okay. */ + /* 421 Service not available, closing control connection. */ + /* 500 Syntax error, command unrecognized. */ + /* 501 Syntax error in parameters or arguments. */ + /* 502 Command not implemented. */ + /* 530 Not logged in. */ + rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); + if (rc == -1) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, + "Error reading from remote server"); + } + if (rc != 200) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); + } + + /* signal that we must use the EPRT/PORT loop */ + use_port = 1; + } + else { /* IPV6 FIXME: * The EPRT command replaces PORT where both IPV4 and IPV6 is supported. The first * number (1,2) indicates the protocol type. Examples: * EPRT |1|132.235.1.2|6275| * EPRT |2|1080::8:800:200C:417A|5282| */ - return ap_proxyerror(r, HTTP_NOT_IMPLEMENTED, "Connect to IPV6 ftp server using EPRT not supported. Enable EPSV."); - } + return ap_proxyerror(r, HTTP_NOT_IMPLEMENTED, "Connect to IPV6 ftp server using EPRT not supported. Enable EPSV."); + } } /* - * V: Set The Headers - * ------------------- - * + * V: Set The Headers ------------------- + * * Get the size of the request, set up the environment for HTTP. */ @@ -1271,64 +1273,64 @@ int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, /* TM - if len == 0 then it must be a directory (you can't RETR nothing) */ if (len == 0) { - parms = "d"; + parms = "d"; } else { - buf = apr_pstrcat(p, "SIZE ", path, CRLF, NULL); - e = apr_bucket_pool_create(buf, strlen(buf), p); - APR_BRIGADE_INSERT_TAIL(bb, e); - e = apr_bucket_flush_create(); - APR_BRIGADE_INSERT_TAIL(bb, e); - ap_pass_brigade(origin->output_filters, bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, + buf = apr_pstrcat(p, "SIZE ", path, CRLF, NULL); + e = apr_bucket_pool_create(buf, strlen(buf), p); + APR_BRIGADE_INSERT_TAIL(bb, e); + e = apr_bucket_flush_create(); + APR_BRIGADE_INSERT_TAIL(bb, e); + ap_pass_brigade(origin->output_filters, bb); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, "proxy: FTP: SIZE %s", path); - rc = ftp_getrc_msg(origin, cbb, buffer, sizeof buffer); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: returned status %d with response %s", rc, buffer); - if (rc != 500) { /* Size command not recognized */ - if (rc == 550) { /* Not a regular file */ - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, + rc = ftp_getrc_msg(origin, cbb, buffer, sizeof buffer); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: returned status %d with response %s", rc, buffer); + if (rc != 500) { /* Size command not recognized */ + if (rc == 550) { /* Not a regular file */ + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, "proxy: FTP: SIZE shows this is a directory"); - parms = "d"; - buf = apr_pstrcat(p, "CWD ", path, CRLF, NULL); - e = apr_bucket_pool_create(buf, strlen(buf), p); - APR_BRIGADE_INSERT_TAIL(bb, e); - e = apr_bucket_flush_create(); - APR_BRIGADE_INSERT_TAIL(bb, e); - ap_pass_brigade(origin->output_filters, bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, + parms = "d"; + buf = apr_pstrcat(p, "CWD ", path, CRLF, NULL); + e = apr_bucket_pool_create(buf, strlen(buf), p); + APR_BRIGADE_INSERT_TAIL(bb, e); + e = apr_bucket_flush_create(); + APR_BRIGADE_INSERT_TAIL(bb, e); + ap_pass_brigade(origin->output_filters, bb); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, "proxy: FTP: CWD %s", path); - rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - /* possible results: 250, 421, 500, 501, 502, 530, 550 */ - /* 250 Requested file action okay, completed. */ - /* 421 Service not available, closing control connection. */ - /* 500 Syntax error, command unrecognized. */ - /* 501 Syntax error in parameters or arguments. */ - /* 502 Command not implemented. */ - /* 530 Not logged in. */ - /* 550 Requested action not taken. */ - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); - if (rc == -1) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, - "Error reading from remote server"); - } - if (rc == 550) { - return ap_proxyerror(r, HTTP_NOT_FOUND, buffer); - } - if (rc != 250) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); - } - path = ""; - len = 0; - } - else if (i == 213) { /* Size command ok */ - for (j = 0; j < sizeof(buffer) && apr_isdigit(buffer[j]); j++); - buffer[j] = '\0'; - if (buffer[0] != '\0') - size = apr_pstrdup(p, buffer); - } - } + rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); + /* possible results: 250, 421, 500, 501, 502, 530, 550 */ + /* 250 Requested file action okay, completed. */ + /* 421 Service not available, closing control connection. */ + /* 500 Syntax error, command unrecognized. */ + /* 501 Syntax error in parameters or arguments. */ + /* 502 Command not implemented. */ + /* 530 Not logged in. */ + /* 550 Requested action not taken. */ + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); + if (rc == -1) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, + "Error reading from remote server"); + } + if (rc == 550) { + return ap_proxyerror(r, HTTP_NOT_FOUND, buffer); + } + if (rc != 250) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); + } + path = ""; + len = 0; + } + else if (i == 213) {/* Size command ok */ + for (j = 0; j < sizeof(buffer) && apr_isdigit(buffer[j]); j++); + buffer[j] = '\0'; + if (buffer[0] != '\0') + size = apr_pstrdup(p, buffer); + } + } } @@ -1340,156 +1342,159 @@ int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, e = apr_bucket_flush_create(); APR_BRIGADE_INSERT_TAIL(bb, e); ap_pass_brigade(origin->output_filters, bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, "proxy: FTP: PWD"); /* responses: 257, 500, 501, 502, 421, 550 */ - /* 257 "" */ - /* 421 Service not available, closing control connection. */ - /* 500 Syntax error, command unrecognized. */ - /* 501 Syntax error in parameters or arguments. */ - /* 502 Command not implemented. */ - /* 550 Requested action not taken. */ + /* 257 "" */ + /* 421 Service not available, closing control connection. */ + /* 500 Syntax error, command unrecognized. */ + /* 501 Syntax error in parameters or arguments. */ + /* 502 Command not implemented. */ + /* 550 Requested action not taken. */ rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); if (rc == -1 || rc == 421) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, - "Error reading from remote server"); + return ap_proxyerror(r, HTTP_BAD_GATEWAY, + "Error reading from remote server"); } if (rc == 550) { - return ap_proxyerror(r, HTTP_NOT_FOUND, buffer); + return ap_proxyerror(r, HTTP_NOT_FOUND, buffer); } if (rc == 257) { - const char *dirp = buffer; - apr_table_set(r->notes, "Directory-PWD", ap_getword_conf(r->pool, &dirp)); + const char *dirp = buffer; + apr_table_set(r->notes, "Directory-PWD", ap_getword_conf(r->pool, &dirp)); } -#endif /*AUTODETECT_PWD*/ +#endif /* AUTODETECT_PWD */ if (parms[0] == 'd') { - if (len != 0) - buf = apr_pstrcat(p, "LIST ", path, CRLF, NULL); - else - buf = apr_pstrcat(p, "LIST -lag", CRLF, NULL); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: LIST %s", (len == 0 ? "-lag" : path)); + if (len != 0) + buf = apr_pstrcat(p, "LIST ", path, CRLF, NULL); + else + buf = apr_pstrcat(p, "LIST -lag", CRLF, NULL); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: LIST %s", (len == 0 ? "-lag" : path)); } else { /* FIXME: Handle range requests - send REST */ - buf = apr_pstrcat(p, "RETR ", path, CRLF, NULL); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: RETR %s", path); + buf = apr_pstrcat(p, "RETR ", path, CRLF, NULL); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: RETR %s", path); } e = apr_bucket_pool_create(buf, strlen(buf), p); APR_BRIGADE_INSERT_TAIL(bb, e); e = apr_bucket_flush_create(); APR_BRIGADE_INSERT_TAIL(bb, e); ap_pass_brigade(origin->output_filters, bb); - /* RETR: 110, 125, 150, 226, 250, 421, 425, 426, 450, 451, 500, 501, 530, 550 - * NLST: 125, 150, 226, 250, 421, 425, 426, 450, 451, 500, 501, 502, 530 */ - /* 110 Restart marker reply. */ - /* 125 Data connection already open; transfer starting. */ - /* 150 File status okay; about to open data connection. */ - /* 226 Closing data connection. */ - /* 250 Requested file action okay, completed. */ - /* 421 Service not available, closing control connection. */ - /* 425 Can't open data connection. */ - /* 426 Connection closed; transfer aborted. */ - /* 450 Requested file action not taken. */ - /* 451 Requested action aborted. Local error in processing. */ - /* 500 Syntax error, command unrecognized. */ - /* 501 Syntax error in parameters or arguments. */ - /* 530 Not logged in. */ - /* 550 Requested action not taken. */ + /* + * RETR: 110, 125, 150, 226, 250, 421, 425, 426, 450, 451, 500, 501, 530, + * 550 NLST: 125, 150, 226, 250, 421, 425, 426, 450, 451, 500, 501, 502, + * 530 + */ + /* 110 Restart marker reply. */ + /* 125 Data connection already open; transfer starting. */ + /* 150 File status okay; about to open data connection. */ + /* 226 Closing data connection. */ + /* 250 Requested file action okay, completed. */ + /* 421 Service not available, closing control connection. */ + /* 425 Can't open data connection. */ + /* 426 Connection closed; transfer aborted. */ + /* 450 Requested file action not taken. */ + /* 451 Requested action aborted. Local error in processing. */ + /* 500 Syntax error, command unrecognized. */ + /* 501 Syntax error in parameters or arguments. */ + /* 530 Not logged in. */ + /* 550 Requested action not taken. */ rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); if (rc == -1) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, - "Error reading from remote server"); + return ap_proxyerror(r, HTTP_BAD_GATEWAY, + "Error reading from remote server"); } if (rc == 550) { - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, "proxy: FTP: RETR failed, trying LIST instead"); - parms = "d"; - buf = apr_pstrcat(p, "CWD ", path, CRLF, NULL); - e = apr_bucket_pool_create(buf, strlen(buf), p); - APR_BRIGADE_INSERT_TAIL(bb, e); - e = apr_bucket_flush_create(); - APR_BRIGADE_INSERT_TAIL(bb, e); - ap_pass_brigade(origin->output_filters, bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: CWD %s", path); - /* possible results: 250, 421, 500, 501, 502, 530, 550 */ - /* 250 Requested file action okay, completed. */ - /* 421 Service not available, closing control connection. */ - /* 500 Syntax error, command unrecognized. */ - /* 501 Syntax error in parameters or arguments. */ - /* 502 Command not implemented. */ - /* 530 Not logged in. */ - /* 550 Requested action not taken. */ - rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); - if (rc == -1) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, - "Error reading from remote server"); - } - if (rc == 550) { - return ap_proxyerror(r, HTTP_NOT_FOUND, buffer); - } - if (rc != 250) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); - } + parms = "d"; + buf = apr_pstrcat(p, "CWD ", path, CRLF, NULL); + e = apr_bucket_pool_create(buf, strlen(buf), p); + APR_BRIGADE_INSERT_TAIL(bb, e); + e = apr_bucket_flush_create(); + APR_BRIGADE_INSERT_TAIL(bb, e); + ap_pass_brigade(origin->output_filters, bb); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: CWD %s", path); + /* possible results: 250, 421, 500, 501, 502, 530, 550 */ + /* 250 Requested file action okay, completed. */ + /* 421 Service not available, closing control connection. */ + /* 500 Syntax error, command unrecognized. */ + /* 501 Syntax error in parameters or arguments. */ + /* 502 Command not implemented. */ + /* 530 Not logged in. */ + /* 550 Requested action not taken. */ + rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); + if (rc == -1) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, + "Error reading from remote server"); + } + if (rc == 550) { + return ap_proxyerror(r, HTTP_NOT_FOUND, buffer); + } + if (rc != 250) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); + } #ifdef AUTODETECT_PWD - buf = apr_pstrcat(p, "PWD ", CRLF, NULL); - e = apr_bucket_pool_create(buf, strlen(buf), p); - APR_BRIGADE_INSERT_TAIL(bb, e); - e = apr_bucket_flush_create(); - APR_BRIGADE_INSERT_TAIL(bb, e); - ap_pass_brigade(origin->output_filters, bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: PWD"); - /* responses: 257, 500, 501, 502, 421, 550 */ - /* 257 "" */ - /* 421 Service not available, closing control connection. */ - /* 500 Syntax error, command unrecognized. */ - /* 501 Syntax error in parameters or arguments. */ - /* 502 Command not implemented. */ - /* 550 Requested action not taken. */ - rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); - if (rc == -1 || rc == 421) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, - "Error reading from remote server"); - } - if (rc == 550) { - return ap_proxyerror(r, HTTP_NOT_FOUND, buffer); - } - if (rc == 257) { - const char *dirp = buffer; - apr_table_set(r->notes, "Directory-PWD", ap_getword_conf(r->pool, &dirp)); - } -#endif /*AUTODETECT_PWD*/ - - buf = apr_pstrcat(p, "LIST -lag", CRLF, NULL); - e = apr_bucket_pool_create(buf, strlen(buf), p); - APR_BRIGADE_INSERT_TAIL(bb, e); - e = apr_bucket_flush_create(); - APR_BRIGADE_INSERT_TAIL(bb, e); - ap_pass_brigade(origin->output_filters, bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: LIST -lag"); - rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); - if (rc == -1) - return ap_proxyerror(r, HTTP_BAD_GATEWAY, - "Error reading from remote server"); + buf = apr_pstrcat(p, "PWD ", CRLF, NULL); + e = apr_bucket_pool_create(buf, strlen(buf), p); + APR_BRIGADE_INSERT_TAIL(bb, e); + e = apr_bucket_flush_create(); + APR_BRIGADE_INSERT_TAIL(bb, e); + ap_pass_brigade(origin->output_filters, bb); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: PWD"); + /* responses: 257, 500, 501, 502, 421, 550 */ + /* 257 "" */ + /* 421 Service not available, closing control connection. */ + /* 500 Syntax error, command unrecognized. */ + /* 501 Syntax error in parameters or arguments. */ + /* 502 Command not implemented. */ + /* 550 Requested action not taken. */ + rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); + if (rc == -1 || rc == 421) { + return ap_proxyerror(r, HTTP_BAD_GATEWAY, + "Error reading from remote server"); + } + if (rc == 550) { + return ap_proxyerror(r, HTTP_NOT_FOUND, buffer); + } + if (rc == 257) { + const char *dirp = buffer; + apr_table_set(r->notes, "Directory-PWD", ap_getword_conf(r->pool, &dirp)); + } +#endif /* AUTODETECT_PWD */ + + buf = apr_pstrcat(p, "LIST -lag", CRLF, NULL); + e = apr_bucket_pool_create(buf, strlen(buf), p); + APR_BRIGADE_INSERT_TAIL(bb, e); + e = apr_bucket_flush_create(); + APR_BRIGADE_INSERT_TAIL(bb, e); + ap_pass_brigade(origin->output_filters, bb); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: LIST -lag"); + rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); + if (rc == -1) + return ap_proxyerror(r, HTTP_BAD_GATEWAY, + "Error reading from remote server"); } if (rc != 125 && rc != 150 && rc != 226 && rc != 250) { - return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); + return ap_proxyerror(r, HTTP_BAD_GATEWAY, buffer); } r->status = HTTP_OK; @@ -1501,38 +1506,37 @@ int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, /* set content-type */ if (parms[0] == 'd') { - r->content_type = "text/html"; + r->content_type = "text/html"; } else { - if (r->content_type) { - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: Content-Type set to %s", r->content_type); - } - else { - r->content_type = ap_default_type(r); - } - if (parms[0] != 'a' && size != NULL) { - /* We "trust" the ftp server to really serve (size) bytes... */ - apr_table_setn(r->headers_out, "Content-Length", size); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: Content-Length set to %s", size); - } + if (r->content_type) { + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: Content-Type set to %s", r->content_type); + } + else { + r->content_type = ap_default_type(r); + } + if (parms[0] != 'a' && size != NULL) { + /* We "trust" the ftp server to really serve (size) bytes... */ + apr_table_setn(r->headers_out, "Content-Length", size); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: Content-Length set to %s", size); + } } apr_table_setn(r->headers_out, "Content-Type", r->content_type); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: Content-Type set to %s", r->content_type); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: Content-Type set to %s", r->content_type); /* set content-encoding */ if (r->content_encoding != NULL && r->content_encoding[0] != '\0') { - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: Content-Encoding set to %s", r->content_encoding); - apr_table_setn(r->headers_out, "Content-Encoding", r->content_encoding); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: Content-Encoding set to %s", r->content_encoding); + apr_table_setn(r->headers_out, "Content-Encoding", r->content_encoding); } /* wait for connection */ if (use_port) { - for(;;) - { + for (;;) { rv = apr_accept(&remote_sock, local_sock, r->pool); if (rv == APR_EINTR) { continue; @@ -1542,7 +1546,7 @@ int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, } else { ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, - "proxy: FTP: failed to accept data connection"); + "proxy: FTP: failed to accept data connection"); return HTTP_BAD_GATEWAY; } } @@ -1551,11 +1555,13 @@ int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, /* the transfer socket is now open, create a new connection */ remote = ap_new_connection(p, r->server, remote_sock, r->connection->id, r->connection->sbh); if (!remote) { - /* the peer reset the connection already; ap_new_connection() - * closed the socket */ - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: an error occurred creating the transfer connection"); - return HTTP_INTERNAL_SERVER_ERROR; + /* + * the peer reset the connection already; ap_new_connection() closed + * the socket + */ + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: an error occurred creating the transfer connection"); + return HTTP_INTERNAL_SERVER_ERROR; } /* set up the connection filters */ @@ -1563,58 +1569,55 @@ int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, /* - * VI: Receive the Response - * ------------------------ - * - * Get response from the remote ftp socket, and pass it up the - * filter chain. + * VI: Receive the Response ------------------------ + * + * Get response from the remote ftp socket, and pass it up the filter chain. */ /* send response */ r->sent_bodyct = 1; if (parms[0] == 'd') { - /* insert directory filter */ - ap_add_output_filter("PROXY_SEND_DIR", NULL, r, r->connection); + /* insert directory filter */ + ap_add_output_filter("PROXY_SEND_DIR", NULL, r, r->connection); } /* send body */ if (!r->header_only) { - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: start body send"); - - /* read the body, pass it to the output filters */ - while (ap_get_brigade(remote->input_filters, bb, AP_MODE_EXHAUSTIVE, - APR_BLOCK_READ, 0) == APR_SUCCESS) { - if (APR_BUCKET_IS_EOS(APR_BRIGADE_LAST(bb))) { - ap_pass_brigade(r->output_filters, bb); - break; - } - if (ap_pass_brigade(r->output_filters, bb) != APR_SUCCESS) { - /* Ack! Phbtt! Die! User aborted! */ - break; - } - apr_brigade_cleanup(bb); - } + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: start body send"); + + /* read the body, pass it to the output filters */ + while (ap_get_brigade(remote->input_filters, bb, AP_MODE_EXHAUSTIVE, + APR_BLOCK_READ, 0) == APR_SUCCESS) { + if (APR_BUCKET_IS_EOS(APR_BRIGADE_LAST(bb))) { + ap_pass_brigade(r->output_filters, bb); + break; + } + if (ap_pass_brigade(r->output_filters, bb) != APR_SUCCESS) { + /* Ack! Phbtt! Die! User aborted! */ + break; + } + apr_brigade_cleanup(bb); + } } ap_flush_conn(remote); apr_socket_close(remote_sock); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: Closing Data connection."); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: Closing Data connection."); rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: %d %s", rc, buffer); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: %d %s", rc, buffer); apr_brigade_cleanup(bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, - "proxy: FTP: end body send"); + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, + "proxy: FTP: end body send"); /* - * VII: Clean Up - * ------------- - * - * If there are no KeepAlives, or if the connection has been signalled - * to close, close the socket and clean up + * VII: Clean Up ------------- + * + * If there are no KeepAlives, or if the connection has been signalled to + * close, close the socket and clean up */ /* finish */ @@ -1624,14 +1627,14 @@ int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, e = apr_bucket_flush_create(); APR_BRIGADE_INSERT_TAIL(bb, e); ap_pass_brigade(origin->output_filters, bb); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, "proxy: FTP: QUIT"); /* responses: 221, 500 */ /* 221 Service closing control connection. */ /* 500 Syntax error, command unrecognized. */ rc = ftp_getrc_msg(origin, cbb, buffer, sizeof(buffer)); - ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, r->server, + ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, r->server, "proxy: FTP: %d %s", rc, buffer); ap_flush_conn(origin); apr_socket_close(origin_sock); @@ -1639,7 +1642,7 @@ int ap_proxy_ftp_handler(request_rec *r, proxy_server_conf *conf, return OK; } -static void ap_proxy_ftp_register_hook(apr_pool_t *p) +static void ap_proxy_ftp_register_hook(apr_pool_t * p) { /* hooks */ proxy_hook_scheme_handler(ap_proxy_ftp_handler, NULL, NULL, APR_HOOK_MIDDLE); @@ -1650,10 +1653,10 @@ static void ap_proxy_ftp_register_hook(apr_pool_t *p) module AP_MODULE_DECLARE_DATA proxy_ftp_module = { STANDARD20_MODULE_STUFF, - NULL, /* create per-directory config structure */ - NULL, /* merge per-directory config structures */ - NULL, /* create per-server config structure */ - NULL, /* merge per-server config structures */ - NULL, /* command apr_table_t */ - ap_proxy_ftp_register_hook /* register hooks */ + NULL, /* create per-directory config structure */ + NULL, /* merge per-directory config structures */ + NULL, /* create per-server config structure */ + NULL, /* merge per-server config structures */ + NULL, /* command apr_table_t */ + ap_proxy_ftp_register_hook /* register hooks */ }; -- 2.40.0