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-rw-r--r--file.c122
1 files changed, 69 insertions, 53 deletions
diff --git a/file.c b/file.c
index 1e7b4cf..665c387 100644
--- a/file.c
+++ b/file.c
@@ -1,4 +1,4 @@
-/* $Id: file.c,v 1.189 2003/01/17 17:06:01 ukai Exp $ */
+/* $Id: file.c,v 1.190 2003/01/17 17:13:08 ukai Exp $ */
#include "fm.h"
#include <sys/types.h>
#include "myctype.h"
@@ -1493,6 +1493,45 @@ same_url_p(ParsedURL *pu1, ParsedURL *pu2)
&& (pu1->file ? pu2->
file ? !strcmp(pu1->file, pu2->file) : 0 : 1));
}
+
+static int
+checkRedirection(ParsedURL *pu)
+{
+ static ParsedURL *puv = NULL;
+ static int nredir = 0;
+ static int nredir_size = 0;
+ Str tmp;
+
+ if (pu == NULL) {
+ nredir = 0;
+ nredir_size = 0;
+ puv = NULL;
+ return TRUE;
+ }
+ if (nredir >= FollowRedirection) {
+ tmp = Sprintf("Number of redirections exceeded %d at %s",
+ FollowRedirection, parsedURL2Str(pu)->ptr);
+ disp_err_message(tmp->ptr, FALSE);
+ return FALSE;
+ }
+ else if (nredir_size > 0 &&
+ (same_url_p(pu, &puv[(nredir - 1) % nredir_size]) ||
+ (!(nredir % 2)
+ && same_url_p(pu, &puv[(nredir / 2) % nredir_size])))) {
+ tmp = Sprintf("Redirection loop detected (%s)",
+ parsedURL2Str(pu)->ptr);
+ disp_err_message(tmp->ptr, FALSE);
+ return FALSE;
+ }
+ if (!puv) {
+ nredir_size = FollowRedirection / 2 + 1;
+ puv = New_N(ParsedURL, nredir_size);
+ memset(puv, 0, sizeof(ParsedURL) * nredir_size);
+ }
+ copyParsedURL(&puv[nredir % nredir_size], pu);
+ nredir++;
+ return TRUE;
+}
/*
* loadGeneralFile: load file to buffer
@@ -1502,9 +1541,7 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
int flag, FormList *volatile request)
{
URLFile f, *volatile of = NULL;
- ParsedURL pu, *volatile puv = NULL;
- int volatile nredir = 0;
- int volatile nredir_size = 0;
+ ParsedURL pu;
Buffer *b = NULL, *(*volatile proc)() = loadBuffer;
char *volatile tpath;
char *volatile t = "text/plain", *p, *volatile real_type = NULL;
@@ -1528,6 +1565,7 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
prevtrap = NULL;
add_auth_cookie_flag = 0;
+ checkRedirection(NULL);
load_doc:
if (fmInitialized)
term_raw();
@@ -1660,6 +1698,20 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
}
#endif
readHeader(&f, t_buf, FALSE, &pu);
+ if (http_response_code >= 301 && http_response_code <= 303
+ && (p = checkHeader(t_buf, "Location:")) != NULL
+ && checkRedirection(&pu)) {
+ /* document moved */
+ tpath = url_quote_conv(remove_space(p), DocumentCode);
+ request = NULL;
+ UFclose(&f);
+ current = New(ParsedURL);
+ copyParsedURL(current, &pu);
+ t_buf = newBuffer(INIT_BUFFER_WIDTH);
+ t_buf->bufferprop |= BP_REDIRECTED;
+ status = HTST_NORMAL;
+ goto load_doc;
+ }
t = checkContentType(t_buf);
if (t == NULL && pu.file != NULL) {
if (!((http_response_code >= 400 && http_response_code <= 407) ||
@@ -1668,45 +1720,6 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
}
if (t == NULL)
t = "text/plain";
- if (http_response_code >= 301 && http_response_code <= 303
- && (p = checkHeader(t_buf, "Location:")) != NULL) {
- /* document moved */
- if (nredir >= FollowRedirection) {
- tmp =
- Sprintf("Number of redirections exceeded %d at %s",
- FollowRedirection, parsedURL2Str(&pu)->ptr);
- disp_err_message(tmp->ptr, FALSE);
- }
- else if (nredir_size > 0 &&
- (same_url_p(&pu, &puv[(nredir - 1) % nredir_size]) ||
- (!(nredir % 2)
- && same_url_p(&pu, &puv[(nredir / 2) % nredir_size])))) {
- tmp =
- Sprintf("Redirection loop detected (%s)",
- parsedURL2Str(&pu)->ptr);
- disp_err_message(tmp->ptr, FALSE);
- }
- else {
- if (!puv) {
- nredir_size = FollowRedirection / 2 + 1;
- puv = New_N(ParsedURL, nredir_size);
- memset(puv, 0, sizeof(ParsedURL) * nredir_size);
- }
-
- copyParsedURL(&puv[nredir % nredir_size], &pu);
- ++nredir;
- tmp = Strnew_charp(p);
- Strchop(tmp);
- tpath = tmp->ptr;
- request = NULL;
- UFclose(&f);
- current = New(ParsedURL);
- copyParsedURL(current, &pu);
- t_buf->bufferprop |= BP_REDIRECTED;
- status = HTST_NORMAL;
- goto load_doc;
- }
- }
if (add_auth_cookie_flag && realm && ss) {
/* If authorization is required and passed */
add_auth_cookie(auth_pu->host, auth_pu->port, auth_pu->file,
@@ -1771,7 +1784,8 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
}
#ifdef USE_NNTP
else if (pu.scheme == SCM_NEWS || pu.scheme == SCM_NNTP) {
- t_buf = newBuffer(INIT_BUFFER_WIDTH);
+ if (t_buf == NULL)
+ t_buf = newBuffer(INIT_BUFFER_WIDTH);
readHeader(&f, t_buf, TRUE, &pu);
t = checkContentType(t_buf);
if (t == NULL)
@@ -1848,25 +1862,26 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
t = f.guess_type;
}
else if (searchHeader) {
- t_buf = newBuffer(INIT_BUFFER_WIDTH);
+ if (t_buf == NULL)
+ t_buf = newBuffer(INIT_BUFFER_WIDTH);
readHeader(&f, t_buf, searchHeader_through, &pu);
- t = checkContentType(t_buf);
- if (t == NULL)
- t = "text/plain";
- if (f.is_cgi && (p = checkHeader(t_buf, "Location:")) != NULL) {
+ if (f.is_cgi && (p = checkHeader(t_buf, "Location:")) != NULL &&
+ checkRedirection(&pu)) {
/* document moved */
- tmp = Strnew_charp(p);
- Strchop(tmp);
- tpath = tmp->ptr;
+ tpath = url_quote_conv(remove_space(p), DocumentCode);
request = NULL;
UFclose(&f);
add_auth_cookie_flag = 0;
current = New(ParsedURL);
copyParsedURL(current, &pu);
+ t_buf = newBuffer(INIT_BUFFER_WIDTH);
t_buf->bufferprop |= BP_REDIRECTED;
status = HTST_NORMAL;
goto load_doc;
}
+ t = checkContentType(t_buf);
+ if (t == NULL)
+ t = "text/plain";
searchHeader = SearchHeader = FALSE;
}
else if (DefaultType) {
@@ -1926,7 +1941,8 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
if (real_type == NULL)
real_type = t;
if (SkipHeader) {
- t_buf = newBuffer(INIT_BUFFER_WIDTH);
+ if (t_buf == NULL)
+ t_buf = newBuffer(INIT_BUFFER_WIDTH);
readHeader(&f, t_buf, TRUE, NULL);
}
proc = loadBuffer;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 19:43:51 +0000