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as Ralph Mitchell pointed out, the Location: following code needs some

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basic ./ and ../ strip-off understanding, and this change introduces with.
test cases 49 - 52 test this.
This commit is contained in:
Daniel Stenberg 2002-10-04 14:15:01 +00:00
parent d08df97fe5
commit 3d5820648b
1 changed files with 43 additions and 4 deletions
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47
lib/transfer.c
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@ -1343,6 +1343,8 @@ CURLcode Curl_perform(struct SessionHandle *data)
char *pathsep; char *pathsep;
char *newest; char *newest;
char *useurl = newurl;
/* we must make our own copy of the URL to play with, as it may /* we must make our own copy of the URL to play with, as it may
point to read-only data */ point to read-only data */
char *url_clone=strdup(data->change.url); char *url_clone=strdup(data->change.url);
@ -1360,6 +1362,8 @@ CURLcode Curl_perform(struct SessionHandle *data)
protsep+=2; /* pass the slashes */ protsep+=2; /* pass the slashes */
if('/' != newurl[0]) { if('/' != newurl[0]) {
int level=0;
/* First we need to find out if there's a ?-letter in the URL, /* First we need to find out if there's a ?-letter in the URL,
and cut it and the right-side of that off */ and cut it and the right-side of that off */
pathsep = strrchr(protsep, '?'); pathsep = strrchr(protsep, '?');
@ -1371,6 +1375,40 @@ CURLcode Curl_perform(struct SessionHandle *data)
pathsep = strrchr(protsep, '/'); pathsep = strrchr(protsep, '/');
if(pathsep) if(pathsep)
*pathsep=0; *pathsep=0;
/* Check if there's any slash after the host name, and if so,
remember that position instead */
pathsep = strchr(protsep, '/');
if(pathsep)
protsep = pathsep+1;
else
protsep = NULL;
/* now deal with one "./" or any amount of "../" in the newurl
and act accordingly */
if((useurl[0] == '.') && (useurl[1] == '/'))
useurl+=2; /* just skip the "./" */
while((useurl[0] == '.') &&
(useurl[1] == '.') &&
(useurl[2] == '/')) {
level++;
useurl+=3; /* pass the "../" */
}
if(protsep) {
while(level--) {
/* cut off one more level from the right of the original URL */
pathsep = strrchr(protsep, '/');
if(pathsep)
*pathsep=0;
else {
*protsep=0;
break;
}
}
}
} }
else { else {
/* We got a new absolute path for this server, cut off from the /* We got a new absolute path for this server, cut off from the
@ -1382,15 +1420,16 @@ CURLcode Curl_perform(struct SessionHandle *data)
newest=(char *)malloc( strlen(url_clone) + newest=(char *)malloc( strlen(url_clone) +
1 + /* possible slash */ 1 + /* possible slash */
strlen(newurl) + 1/* zero byte */); strlen(useurl) + 1/* zero byte */);
if(!newest) { if(!newest) {
res = CURLE_OUT_OF_MEMORY; res = CURLE_OUT_OF_MEMORY;
break; /* go go go out from this loop */ break; /* go go go out from this loop */
} }
sprintf(newest, "%s%s%s", url_clone, ('/' == newurl[0])?"":"/", sprintf(newest, "%s%s%s", url_clone,
newurl); (('/' == useurl[0]) || !*protsep)?"":"/",
free(newurl); useurl);
free(newurl); /* newurl is the allocated pointer */
free(url_clone); free(url_clone);
newurl = newest; newurl = newest;
} }