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curl
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Cleaned up hostname/name/gname and path/ppath confusion. Removed the fixed- 

length limit of the hostname part of the URL.
This commit is contained in:
Daniel Stenberg 2004-04-20 07:53:24 +00:00
Родитель 111a2f3057
Коммит b7a7600465
8 изменённых файлов: 85 добавлений и 79 удалений
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13
CHANGES
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@ -6,6 +6,16 @@
Changelog
Daniel (19 April 2004)
- No more 512 byte limit for host name (inclusing name + password) in libcurl.
An added bonus is that we use less memory for the typical (shorter URL)
case.
- Cleaned up the sources to better use the terms 'hostname' and 'path'
internally when referring to that data. The buffers used for keep that info
is called 'namebuffer' and 'pathbuffer'. Much easier to read and understand
than the previous mess.
Daniel (15 April 2004)
- Modified runtests.pl again to remove all log files in the log/ dir between
each test, and then made -p display all non-zero byte files in the log dir.
@ -19,7 +29,8 @@ Daniel (15 April 2004)
Previously we had a fixed array for 100 levels, now we save space in each
handle by allocating only for a few level by default and then enlarging that
in case of need (with no maximum depth). Adjusted test case 142 to verify
that 150 dir levels work fine.
that 150 dir levels work fine. An added bonus is that we use less memory
for the typical (not very deep) case.
Daniel (14 April 2004)
- Asking for CURL_IPRESOLVE_V6 when ipv6 addresses can't be resolved will

4
RELEASE-NOTES
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@ -7,7 +7,8 @@ Curl and libcurl 7.11.2. A bugfix release.
This release includes the following changes:
o removed maximum dir depth limit in the FTP code
o removed maximum user+password+hostname size limit
o removed maximum dir depth limit for FTP
o the ares build now requires c-ares 1.2.0 or later
o --tcp-nodelay and CURLOPT_TCP_NODELAY were added
o curl/curlver.h contains the libcurl version info now
@ -53,6 +54,7 @@ Other curl-related news since the previous public release:
http://q-lang.sourceforge.net/
o New German web mirror: http://curl.netmirror.org/
o c-ares 1.2.0 was released: http://daniel.haxx.se/projects/c-ares/
o New US web mirror: http://curl.signal42.com/
This release would not have looked like this without help, code, reports and
advice from friends like these:

8
lib/ftp.c
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@ -1611,7 +1611,7 @@ CURLcode ftp_use_pasv(struct connectdata *conn,
newport = num;
/* we should use the same host we already are connected to */
newhostp = conn->name;
newhostp = conn->hostname;
}
}
else
@ -2320,8 +2320,8 @@ CURLcode Curl_ftp(struct connectdata *conn)
struct FTP *ftp;
char *slash_pos; /* position of the first '/' char in curpos */
char *cur_pos=conn->ppath; /* current position in ppath. point at the begin
of next path component */
char *cur_pos=conn->path; /* current position in ppath. point at the begin
of next path component */
/* the ftp struct is already inited in ftp_connect() */
ftp = conn->proto.ftp;
@ -2343,7 +2343,7 @@ CURLcode Curl_ftp(struct connectdata *conn)
/* parse the URL path into separate path components */
while((slash_pos=strchr(cur_pos, '/'))) {
/* 1 or 0 to indicate absolute directory */
bool absolute_dir = (cur_pos - conn->ppath > 0) && (ftp->dirdepth == 0);
bool absolute_dir = (cur_pos - conn->path > 0) && (ftp->dirdepth == 0);
/* seek out the next path component */
if (slash_pos-cur_pos) {

4
lib/http.c
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@ -1150,8 +1150,8 @@ CURLcode Curl_http(struct connectdata *conn)
CURLcode result=CURLE_OK;
struct HTTP *http;
struct Cookie *co=NULL; /* no cookies from start */
char *ppath = conn->ppath; /* three previous function arguments */
char *host = conn->name;
char *ppath = conn->path;
char *host = conn->hostname;
const char *te = ""; /* tranfer-encoding */
char *ptr;
char *request;

4
lib/ssluse.c
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@ -544,7 +544,7 @@ static int Get_SSL_Session(struct connectdata *conn,
if(!check->sessionid)
/* not session ID means blank entry */
continue;
if(curl_strequal(conn->name, check->name) &&
if(curl_strequal(conn->hostname, check->name) &&
(conn->remote_port == check->remote_port) &&
Curl_ssl_config_matches(&conn->ssl_config, &check->ssl_config)) {
/* yes, we have a session ID! */
@ -662,7 +662,7 @@ static int Store_SSL_Session(struct connectdata *conn,
/* now init the session struct wisely */
store->sessionid = ssl_sessionid;
store->age = data->state.sessionage; /* set current age */
store->name = strdup(conn->name); /* clone host name */
store->name = strdup(conn->hostname); /* clone host name */
store->remote_port = conn->remote_port; /* port number */
Curl_clone_ssl_config(&conn->ssl_config, &store->ssl_config);

4
lib/transfer.c
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@ -802,8 +802,8 @@ CURLcode Curl_readwrite(struct connectdata *conn,
/* If there is a custom-set Host: name, use it
here, or else use real peer host name. */
conn->allocptr.cookiehost?
conn->allocptr.cookiehost:conn->name,
conn->ppath);
conn->allocptr.cookiehost:conn->hostname,
conn->path);
Curl_share_unlock(data, CURL_LOCK_DATA_COOKIE);
}
else if(checkprefix("Last-Modified:", k->p) &&

116
lib/url.c
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@ -1360,7 +1360,8 @@ CURLcode Curl_disconnect(struct connectdata *conn)
Curl_safefree(conn->proto.generic);
Curl_safefree(conn->newurl);
Curl_safefree(conn->path); /* the URL path part */
Curl_safefree(conn->pathbuffer); /* the URL path buffer */
Curl_safefree(conn->namebuffer); /* the URL host name buffer */
Curl_SSL_Close(conn);
/* close possibly still open sockets */
@ -1460,7 +1461,7 @@ ConnectionExists(struct SessionHandle *data,
continue;
if(strequal(needle->protostr, check->protostr) &&
strequal(needle->name, check->name) &&
strequal(needle->hostname, check->hostname) &&
(needle->remote_port == check->remote_port) ) {
if(needle->protocol & PROT_SSL) {
/* This is SSL, verify that we're using the same
@ -2096,9 +2097,15 @@ static CURLcode CreateConnection(struct SessionHandle *data,
if(urllen < LEAST_PATH_ALLOC)
urllen=LEAST_PATH_ALLOC;
conn->path=(char *)malloc(urllen);
if(NULL == conn->path)
conn->pathbuffer=(char *)malloc(urllen);
if(NULL == conn->pathbuffer)
return CURLE_OUT_OF_MEMORY; /* really bad error */
conn->path = conn->pathbuffer;
conn->namebuffer=(char *)malloc(urllen);
if(NULL == conn->namebuffer)
return CURLE_OUT_OF_MEMORY;
conn->hostname = conn->namebuffer;
/*************************************************************
* Parse the URL.
@ -2160,7 +2167,7 @@ static CURLcode CreateConnection(struct SessionHandle *data,
}
else {
/* Set default host and default path */
strcpy(conn->gname, "curl.haxx.se");
strcpy(conn->namebuffer, "curl.haxx.se");
strcpy(conn->path, "/");
/* We need to search for '/' OR '?' - whichever comes first after host
* name but before the path. We need to change that to handle things like
@ -2168,15 +2175,16 @@ static CURLcode CreateConnection(struct SessionHandle *data,
* that missing slash at the beginning of the path.
*/
if (2 > sscanf(data->change.url,
"%64[^\n:]://%512[^\n/?]%[^\n]",
conn->protostr, conn->gname, conn->path)) {
"%64[^\n:]://%[^\n/?]%[^\n]",
conn->protostr,
conn->namebuffer, conn->path)) {
/*
* The URL was badly formatted, let's try the browser-style _without_
* protocol specified like 'http://'.
*/
if((1 > sscanf(data->change.url, "%512[^\n/?]%[^\n]",
conn->gname, conn->path)) ) {
if((1 > sscanf(data->change.url, "%[^\n/?]%[^\n]",
conn->namebuffer, conn->path)) ) {
/*
* We couldn't even get this format.
*/
@ -2192,21 +2200,21 @@ static CURLcode CreateConnection(struct SessionHandle *data,
/* Note: if you add a new protocol, please update the list in
* lib/version.c too! */
if(checkprefix("GOPHER", conn->gname))
if(checkprefix("GOPHER", conn->namebuffer))
strcpy(conn->protostr, "gopher");
#ifdef USE_SSLEAY
else if(checkprefix("HTTPS", conn->gname))
else if(checkprefix("HTTPS", conn->namebuffer))
strcpy(conn->protostr, "https");
else if(checkprefix("FTPS", conn->gname))
else if(checkprefix("FTPS", conn->namebuffer))
strcpy(conn->protostr, "ftps");
#endif /* USE_SSLEAY */
else if(checkprefix("FTP", conn->gname))
else if(checkprefix("FTP", conn->namebuffer))
strcpy(conn->protostr, "ftp");
else if(checkprefix("TELNET", conn->gname))
else if(checkprefix("TELNET", conn->namebuffer))
strcpy(conn->protostr, "telnet");
else if (checkprefix("DICT", conn->gname))
else if (checkprefix("DICT", conn->namebuffer))
strcpy(conn->protostr, "DICT");
else if (checkprefix("LDAP", conn->gname))
else if (checkprefix("LDAP", conn->namebuffer))
strcpy(conn->protostr, "LDAP");
else {
strcpy(conn->protostr, "http");
@ -2231,7 +2239,7 @@ static CURLcode CreateConnection(struct SessionHandle *data,
/*
* So if the URL was A://B/C,
* conn->protostr is A
* conn->gname is B
* conn->namebuffer is B
* conn->path is /C
*/
@ -2256,13 +2264,6 @@ static CURLcode CreateConnection(struct SessionHandle *data,
return CURLE_OUT_OF_MEMORY;
}
/*************************************************************
* Set a few convenience pointers
*************************************************************/
conn->name = conn->gname;
conn->ppath = conn->path;
conn->hostname = conn->name;
/*************************************************************
* Detect what (if any) proxy to use
*************************************************************/
@ -2301,15 +2302,15 @@ static CURLcode CreateConnection(struct SessionHandle *data,
nope=no_proxy?strtok_r(no_proxy, ", ", &no_proxy_tok_buf):NULL;
while(nope) {
unsigned int namelen;
char *endptr = strchr(conn->name, ':');
char *endptr = strchr(conn->hostname, ':');
if(endptr)
namelen=endptr-conn->name;
namelen=endptr-conn->hostname;
else
namelen=strlen(conn->name);
namelen=strlen(conn->hostname);
if(strlen(nope) <= namelen) {
char *checkn=
conn->name + namelen - strlen(nope);
conn->hostname + namelen - strlen(nope);
if(checkprefix(nope, checkn)) {
/* no proxy for this host! */
break;
@ -2501,10 +2502,10 @@ static CURLcode CreateConnection(struct SessionHandle *data,
conn->remote_port = PORT_GOPHER;
/* Skip /<item-type>/ in path if present */
if (isdigit((int)conn->path[1])) {
conn->ppath = strchr(&conn->path[1], '/');
if (conn->ppath == NULL)
conn->ppath = conn->path;
}
conn->path = strchr(&conn->path[1], '/');
if (conn->path == NULL)
conn->path = conn->pathbuffer;
}
conn->protocol |= PROT_GOPHER;
conn->curl_do = Curl_http;
conn->curl_do_more = NULL;
@ -2566,13 +2567,13 @@ static CURLcode CreateConnection(struct SessionHandle *data,
conn->curl_disconnect = Curl_ftp_disconnect;
}
conn->ppath++; /* don't include the initial slash */
conn->path++; /* don't include the initial slash */
/* FTP URLs support an extension like ";type=<typecode>" that
* we'll try to get now! */
type=strstr(conn->ppath, ";type=");
type=strstr(conn->path, ";type=");
if(!type) {
type=strstr(conn->gname, ";type=");
type=strstr(conn->namebuffer, ";type=");
}
if(type) {
char command;
@ -2681,24 +2682,23 @@ static CURLcode CreateConnection(struct SessionHandle *data,
* To be able to detect port number flawlessly, we must not confuse them
* IPv6-specified addresses in the [0::1] style. (RFC2732)
*
* The conn->name is currently [user:passwd@]host[:port] where host could
* be a hostname, IPv4 address or IPv6 address.
* The conn->hostname is currently [user:passwd@]host[:port] where host
* could be a hostname, IPv4 address or IPv6 address.
*************************************************************/
if((1 == sscanf(conn->name, "[%*39[0-9a-fA-F:.]%c", &endbracket)) &&
if((1 == sscanf(conn->hostname, "[%*39[0-9a-fA-F:.]%c", &endbracket)) &&
(']' == endbracket)) {
/* this is a RFC2732-style specified IP-address */
conn->bits.ipv6_ip = TRUE;
conn->name++; /* pass the starting bracket */
conn->hostname++;
tmp = strchr(conn->name, ']');
conn->hostname++; /* pass the starting bracket */
tmp = strchr(conn->hostname, ']');
*tmp = 0; /* zero terminate */
tmp++; /* pass the ending bracket */
if(':' != *tmp)
tmp = NULL; /* no port number available */
}
else
tmp = strrchr(conn->name, ':');
tmp = strrchr(conn->hostname, ':');
if (tmp) {
char *rest;
@ -2805,12 +2805,12 @@ static CURLcode CreateConnection(struct SessionHandle *data,
/* This is a FTP or HTTP URL, we will now try to extract the possible
* user+password pair in a string like:
* ftp://user:password@ftp.my.site:8021/README */
char *ptr=strchr(conn->name, '@');
char *userpass = conn->name;
char *ptr=strchr(conn->hostname, '@');
char *userpass = conn->hostname;
if(ptr != NULL) {
/* there's a user+password given here, to the left of the @ */
conn->name = conn->hostname = ++ptr;
conn->hostname = ++ptr;
/* So the hostname is sane. Only bother interpreting the
* results if we could care. It could still be wasted
@ -2924,8 +2924,7 @@ static CURLcode CreateConnection(struct SessionHandle *data,
* existing one.
*/
struct connectdata *old_conn = conn;
char *path = old_conn->path; /* setup the current path pointer properly */
char *ppath = old_conn->ppath; /* this is the modified path pointer */
if(old_conn->proxyhost)
free(old_conn->proxyhost);
@ -2943,20 +2942,13 @@ static CURLcode CreateConnection(struct SessionHandle *data,
/* get the newly set value, not the old one */
conn->bits.no_body = old_conn->bits.no_body;
/* If we speak over a proxy, we need to copy the host name too, as it
might be another remote host even when re-using a connection */
strcpy(conn->gname, old_conn->gname); /* safe strcpy() */
free(conn->namebuffer); /* free the newly allocated name buffer */
conn->namebuffer = old_conn->namebuffer; /* use the old one */
conn->hostname = old_conn->hostname;
/* we need these pointers if we speak over a proxy */
conn->hostname = conn->gname;
conn->name = &conn->gname[old_conn->name - old_conn->gname];
free(conn->path); /* free the previously allocated path pointer */
/* 'path' points to the allocated data, 'ppath' may have been advanced
to point somewhere within the 'path' area. */
conn->path = path;
conn->ppath = ppath;
free(conn->pathbuffer); /* free the newly allocated path pointer */
conn->pathbuffer = old_conn->pathbuffer; /* use the old one */
conn->path = old_conn->path;
/* re-use init */
conn->bits.reuse = TRUE; /* yes, we're re-using here */
@ -3093,12 +3085,12 @@ static CURLcode CreateConnection(struct SessionHandle *data,
conn->port = conn->remote_port; /* it is the same port */
/* Resolve target host right on */
rc = Curl_resolv(conn, conn->name, conn->port, &hostaddr);
rc = Curl_resolv(conn, conn->hostname, conn->port, &hostaddr);
if(rc == 1)
*async = TRUE;
else if(!hostaddr) {
failf(data, "Couldn't resolve host '%s'", conn->name);
failf(data, "Couldn't resolve host '%s'", conn->hostname);
result = CURLE_COULDNT_RESOLVE_HOST;
/* don't return yet, we need to clean up the timeout first */
}

11
lib/urldata.h
Просмотреть файл

@ -427,14 +427,15 @@ struct connectdata {
struct sockaddr_in serv_addr;
#endif
char protostr[64]; /* store the protocol string in this buffer */
char gname[513]; /* store the hostname in this buffer */
char *name; /* host name pointer to fool around with */
char *path; /* allocated buffer to store the URL's path part in */
char *hostname; /* hostname to connect, as parsed from url */
char *namebuffer; /* allocated buffer to store the hostname in */
char *hostname; /* hostname to use, as parsed from url. points to
somewhere within the namebuffer[] area */
char *pathbuffer;/* allocated buffer to store the URL's path part in */
char *path; /* path to use, points to somewhere within the pathbuffer
area */
long port; /* which port to use locally */
unsigned short remote_port; /* what remote port to connect to,
not the proxy port! */
char *ppath;
curl_off_t bytecount;
long headerbytecount; /* only count received headers */
long deductheadercount; /* this amount of bytes doesn't count when we check