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Source cleanups. The major one being that we now _always_ use a Curl_addrinfo

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linked list for name resolved data, even on hosts/systems with only IPv4
stacks as this simplifies a lot of code.
This commit is contained in:
Daniel Stenberg 2004-06-24 07:43:48 +00:00
parent 818aed35e2
commit c39858aac0
24 changed files with 627 additions and 1018 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
lib/connect.c
View File

@ -330,7 +330,6 @@ static CURLcode bindlocal(struct connectdata *conn,
Curl_resolv_unlock(data, h);
/* we don't need it anymore after this function has returned */
#ifdef ENABLE_IPV6
if( bind(sockfd, addr->ai_addr, addr->ai_addrlen) >= 0) {
/* we succeeded to bind */
struct sockaddr_in6 add;
@ -344,31 +343,7 @@ static CURLcode bindlocal(struct connectdata *conn,
return CURLE_HTTP_PORT_FAILED;
}
}
#else
{
struct sockaddr_in sa;
memset((char *)&sa, 0, sizeof(sa));
memcpy((char *)&sa.sin_addr, addr->h_addr, addr->h_length);
sa.sin_family = AF_INET;
sa.sin_addr.s_addr = in;
sa.sin_port = 0; /* get any port */
if( bind(sockfd, (struct sockaddr *)&sa, sizeof(sa)) >= 0) {
/* we succeeded to bind */
struct sockaddr_in add;
bindworked = TRUE;
size = sizeof(add);
if(getsockname(sockfd, (struct sockaddr *) &add,
(socklen_t *)&size)<0) {
failf(data, "getsockname() failed");
return CURLE_HTTP_PORT_FAILED;
}
}
}
#endif
if(!bindworked) {
failf(data, "%s", Curl_strerror(conn, Curl_ourerrno()));
return CURLE_HTTP_PORT_FAILED;
@ -540,9 +515,8 @@ static void tcpnodelay(struct connectdata *conn,
CURLcode Curl_connecthost(struct connectdata *conn, /* context */
struct Curl_dns_entry *remotehost, /* use this one */
int port, /* connect to this */
curl_socket_t *sockconn, /* the connected socket */
Curl_ipconnect **addr, /* the one we used */
Curl_addrinfo **addr, /* the one we used */
bool *connected) /* really connected? */
{
struct SessionHandle *data = conn->data;
@ -552,8 +526,9 @@ CURLcode Curl_connecthost(struct connectdata *conn, /* context */
int num_addr;
bool conected;
char addr_buf[256];
Curl_addrinfo *ai;
Curl_addrinfo *curr_addr;
Curl_ipconnect *curr_addr;
struct timeval after;
struct timeval before = Curl_tvnow();
@ -601,17 +576,18 @@ CURLcode Curl_connecthost(struct connectdata *conn, /* context */
num_addr = Curl_num_addresses(remotehost->addr);
timeout_per_addr = timeout_ms / num_addr;
ai = remotehost->addr;
/* Below is the loop that attempts to connect to all IP-addresses we
* know for the given host. One by one until one IP succeedes.
*/
#ifdef ENABLE_IPV6
/*
* Connecting with a getaddrinfo chain
*/
(void)port; /* the port number is already included in the getaddrinfo
struct */
for (curr_addr = remotehost->addr, aliasindex=0; curr_addr;
for (curr_addr = ai, aliasindex=0; curr_addr;
curr_addr = curr_addr->ai_next, aliasindex++) {
sockfd = socket(curr_addr->ai_family, curr_addr->ai_socktype,
curr_addr->ai_protocol);
if (sockfd == CURL_SOCKET_BAD) {
@ -619,31 +595,6 @@ CURLcode Curl_connecthost(struct connectdata *conn, /* context */
continue;
}
#else
/*
* Connecting with old style IPv4-only support
*/
curr_addr = (Curl_ipconnect*)remotehost->addr->h_addr_list[0];
for(aliasindex=0; curr_addr;
curr_addr=(Curl_ipconnect*)remotehost->addr->h_addr_list[++aliasindex]) {
struct sockaddr_in serv_addr;
/* create an IPv4 TCP socket */
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if(CURL_SOCKET_BAD == sockfd) {
failf(data, "couldn't create socket");
return CURLE_COULDNT_CONNECT; /* big time error */
}
/* nasty address work before connect can be made */
memset((char *) &serv_addr, '\0', sizeof(serv_addr));
memcpy((char *)&(serv_addr.sin_addr), curr_addr,
sizeof(struct in_addr));
serv_addr.sin_family = remotehost->addr->h_addrtype;
serv_addr.sin_port = htons((unsigned short)port);
#endif
Curl_printable_address(curr_addr, addr_buf, sizeof(addr_buf));
infof(data, " Trying %s... ", addr_buf);
@ -664,11 +615,8 @@ CURLcode Curl_connecthost(struct connectdata *conn, /* context */
/* do not use #ifdef within the function arguments below, as connect() is
a defined macro on some platforms and some compilers don't like to mix
#ifdefs with macro usage! (AmigaOS is one such platform) */
#ifdef ENABLE_IPV6
rc = connect(sockfd, curr_addr->ai_addr, curr_addr->ai_addrlen);
#else
rc = connect(sockfd, (struct sockaddr *)&serv_addr, sizeof(serv_addr));
#endif
if(-1 == rc) {
error = Curl_ourerrno();

3
lib/connect.h
View File

@ -32,9 +32,8 @@ CURLcode Curl_is_connected(struct connectdata *conn,
CURLcode Curl_connecthost(struct connectdata *conn,
struct Curl_dns_entry *host, /* connect to this */
int port, /* connect to this port number */
curl_socket_t *sockconn, /* not set if error */
Curl_ipconnect **addr, /* the one we used */
Curl_addrinfo **addr, /* the one we used */
bool *connected /* truly connected? */
);

58
lib/easy.c
View File

@ -1,8 +1,8 @@
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
@ -10,7 +10,7 @@
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
@ -96,36 +96,36 @@ static void win32_cleanup(void)
stack to allow networking */
static CURLcode win32_init(void)
{
WORD wVersionRequested;
WSADATA wsaData;
int err;
WORD wVersionRequested;
WSADATA wsaData;
int err;
#ifdef ENABLE_IPV6
wVersionRequested = MAKEWORD(2, 0);
#else
wVersionRequested = MAKEWORD(1, 1);
#endif
err = WSAStartup(wVersionRequested, &wsaData);
if (err != 0)
/* Tell the user that we couldn't find a useable */
/* winsock.dll. */
return CURLE_FAILED_INIT;
/* Confirm that the Windows Sockets DLL supports what we need.*/
/* Note that if the DLL supports versions greater */
/* than wVersionRequested, it will still return */
err = WSAStartup(wVersionRequested, &wsaData);
if (err != 0)
/* Tell the user that we couldn't find a useable */
/* winsock.dll. */
return CURLE_FAILED_INIT;
/* Confirm that the Windows Sockets DLL supports what we need.*/
/* Note that if the DLL supports versions greater */
/* than wVersionRequested, it will still return */
/* wVersionRequested in wVersion. wHighVersion contains the */
/* highest supported version. */
if ( LOBYTE( wsaData.wVersion ) != LOBYTE(wVersionRequested) ||
HIBYTE( wsaData.wVersion ) != HIBYTE(wVersionRequested) ) {
/* Tell the user that we couldn't find a useable */
if ( LOBYTE( wsaData.wVersion ) != LOBYTE(wVersionRequested) ||
HIBYTE( wsaData.wVersion ) != HIBYTE(wVersionRequested) ) {
/* Tell the user that we couldn't find a useable */
/* winsock.dll. */
WSACleanup();
return CURLE_FAILED_INIT;
/* winsock.dll. */
WSACleanup();
return CURLE_FAILED_INIT;
}
/* The Windows Sockets DLL is acceptable. Proceed. */
return CURLE_OK;
@ -207,7 +207,7 @@ CURLcode curl_global_init(long flags)
initialized = 1;
init_flags = flags;
return CURLE_OK;
}
@ -292,7 +292,7 @@ CURL *curl_easy_init(void)
return data;
}
/*
/*
* curl_easy_setopt() is the external interface for setting options on an
* easy handle.
*/
@ -373,9 +373,9 @@ CURLcode curl_easy_perform(CURL *curl)
screwed up and we should bail out! */
return CURLE_OUT_OF_MEMORY;
}
}
return Curl_perform(data);
}

54
lib/formdata.c
View File

@ -1426,60 +1426,6 @@ int main()
#endif
#ifdef _OLD_FORM_DEBUG
int main(int argc, char **argv)
{
#if 0
char *testargs[]={
"name1 = data in number one",
"name2 = number two data",
"test = @upload"
};
#endif
int i;
char *nextarg;
struct curl_httppost *httppost=NULL;
struct curl_httppost *last_post=NULL;
struct curl_httppost *post;
int size;
int nread;
char buffer[4096];
struct FormData *form;
struct Form formread;
for(i=1; i<argc; i++) {
if( FormParse( argv[i],
&httppost,
&last_post)) {
fprintf(stderr, "Illegally formatted input field: '%s'!\n",
argv[i]);
return 1;
}
}
form=Curl_getFormData(httppost, &size);
Curl_FormInit(&formread, form);
do {
nread = Curl_FormReader(buffer, 1, sizeof(buffer),
(FILE *)&formread);
if(-1 == nread)
break;
fwrite(buffer, nread, 1, stderr);
} while(1);
fprintf(stderr, "size: %d\n", size);
return 0;
}
#endif
#else /* CURL_DISABLE_HTTP */
CURLFORMcode curl_formadd(struct curl_httppost **httppost,
struct curl_httppost **last_post,

212
lib/ftp.c
View File

@ -93,6 +93,7 @@
#include "connect.h"
#include "strerror.h"
#include "memory.h"
#include "inet_ntop.h"
#if defined(HAVE_INET_NTOA_R) && !defined(HAVE_INET_NTOA_R_DECL)
#include "inet_ntoa_r.h"
@ -1022,121 +1023,13 @@ CURLcode ftp_getsize(struct connectdata *conn, char *file,
*/
static void
ftp_pasv_verbose(struct connectdata *conn,
Curl_ipconnect *addr,
Curl_addrinfo *ai,
char *newhost, /* ascii version */
int port)
{
#ifndef ENABLE_IPV6
/*****************************************************************
*
* IPv4-only code section
*/
struct in_addr in;
struct hostent * answer;
#ifdef HAVE_INET_NTOA_R
char ntoa_buf[64];
#endif
/* The array size trick below is to make this a large chunk of memory
suitably 8-byte aligned on 64-bit platforms. This was thoughtfully
suggested by Philip Gladstone. */
long bigbuf[9000 / sizeof(long)];
#if defined(HAVE_INET_ADDR)
in_addr_t address;
# if defined(HAVE_GETHOSTBYADDR_R)
int h_errnop;
# endif
char *hostent_buf = (char *)bigbuf; /* get a char * to the buffer */
address = inet_addr(newhost);
# ifdef HAVE_GETHOSTBYADDR_R
# ifdef HAVE_GETHOSTBYADDR_R_5
/* AIX, Digital Unix (OSF1, Tru64) style:
extern int gethostbyaddr_r(char *addr, size_t len, int type,
struct hostent *htent, struct hostent_data *ht_data); */
/* Fred Noz helped me try this out, now it at least compiles! */
/* Bjorn Reese (November 28 2001):
The Tru64 man page on gethostbyaddr_r() says that
the hostent struct must be filled with zeroes before the call to
gethostbyaddr_r().
... as must be struct hostent_data Craig Markwardt 19 Sep 2002. */
memset(hostent_buf, 0, sizeof(struct hostent)+sizeof(struct hostent_data));
if(gethostbyaddr_r((char *) &address,
sizeof(address), AF_INET,
(struct hostent *)hostent_buf,
(struct hostent_data *)(hostent_buf + sizeof(*answer))))
answer=NULL;
else
answer=(struct hostent *)hostent_buf;
# endif
# ifdef HAVE_GETHOSTBYADDR_R_7
/* Solaris and IRIX */
answer = gethostbyaddr_r((char *) &address, sizeof(address), AF_INET,
(struct hostent *)bigbuf,
hostent_buf + sizeof(*answer),
sizeof(bigbuf) - sizeof(*answer),
&h_errnop);
# endif
# ifdef HAVE_GETHOSTBYADDR_R_8
/* Linux style */
if(gethostbyaddr_r((char *) &address, sizeof(address), AF_INET,
(struct hostent *)hostent_buf,
hostent_buf + sizeof(*answer),
sizeof(bigbuf) - sizeof(*answer),
&answer,
&h_errnop))
answer=NULL; /* error */
# endif
# else
(void)hostent_buf; /* avoid compiler warning */
answer = gethostbyaddr((char *) &address, sizeof(address), AF_INET);
# endif
#else
answer = NULL;
#endif
(void) memcpy(&in.s_addr, addr, sizeof (Curl_ipconnect));
infof(conn->data, "Connecting to %s (%s) port %u\n",
answer?answer->h_name:newhost,
#if defined(HAVE_INET_NTOA_R)
inet_ntoa_r(in, ntoa_buf, sizeof(ntoa_buf)),
#else
inet_ntoa(in),
#endif
port);
#else
/*****************************************************************
*
* IPv6-only code section
*/
char hbuf[NI_MAXHOST]; /* ~1KB */
char nbuf[NI_MAXHOST]; /* ~1KB */
char sbuf[NI_MAXSERV]; /* around 32 */
(void)port; /* prevent compiler warning */
if (getnameinfo(addr->ai_addr, addr->ai_addrlen,
nbuf, sizeof(nbuf), sbuf, sizeof(sbuf), NIFLAGS)) {
snprintf(nbuf, sizeof(nbuf), "?");
snprintf(sbuf, sizeof(sbuf), "?");
}
if (getnameinfo(addr->ai_addr, addr->ai_addrlen,
hbuf, sizeof(hbuf), NULL, 0, 0)) {
infof(conn->data, "Connecting to %s (%s) port %s\n", nbuf, newhost, sbuf);
}
else {
infof(conn->data, "Connecting to %s (%s) port %s\n", hbuf, nbuf, sbuf);
}
#endif
char buf[256];
Curl_printable_address(ai, buf, sizeof(buf));
infof(conn->data, "Connecting to %s (%s) port %d\n", newhost, buf, port);
}
/***********************************************************************
@ -1381,36 +1274,44 @@ CURLcode ftp_use_port(struct connectdata *conn)
*
*/
struct sockaddr_in sa;
struct Curl_dns_entry *h=NULL;
unsigned short porttouse;
char myhost[256] = "";
bool sa_filled_in = FALSE;
Curl_addrinfo *addr = NULL;
unsigned short ip[4];
if(data->set.ftpport) {
in_addr_t in;
int rc;
/* First check if the given name is an IP address */
in=inet_addr(data->set.ftpport);
if((in == CURL_INADDR_NONE) &&
Curl_if2ip(data->set.ftpport, myhost, sizeof(myhost))) {
rc = Curl_resolv(conn, myhost, 0, &h);
if(rc == CURLRESOLV_PENDING)
rc = Curl_wait_for_resolv(conn, &h);
}
if(in != CURL_INADDR_NONE)
/* this is an IPv4 address */
addr = Curl_ip2addr(in, data->set.ftpport, 0);
else {
size_t len = strlen(data->set.ftpport);
if(len>1) {
rc = Curl_resolv(conn, data->set.ftpport, 0, &h);
if(Curl_if2ip(data->set.ftpport, myhost, sizeof(myhost))) {
/* The interface to IP conversion provided a dotted address */
in=inet_addr(myhost);
addr = Curl_ip2addr(in, myhost, 0);
}
else if(strlen(data->set.ftpport)> 1) {
/* might be a host name! */
struct Curl_dns_entry *h=NULL;
int rc = Curl_resolv(conn, myhost, 0, &h);
if(rc == CURLRESOLV_PENDING)
rc = Curl_wait_for_resolv(conn, &h);
}
if(h)
strcpy(myhost, data->set.ftpport); /* buffer overflow risk */
}
}
if(! *myhost) {
if(h) {
addr = h->addr;
/* when we return from this function, we can forget about this entry
to we can unlock it now already */
Curl_resolv_unlock(data, h);
} /* (h) */
} /* strlen */
} /* CURL_INADDR_NONE */
} /* data->set.ftpport */
if(!addr) {
/* pick a suitable default here */
socklen_t sslen;
@ -1425,12 +1326,9 @@ CURLcode ftp_use_port(struct connectdata *conn)
sa_filled_in = TRUE; /* the sa struct is filled in */
}
if(h)
/* when we return from here, we can forget about this */
Curl_resolv_unlock(data, h);
if ( h || sa_filled_in) {
if( (portsock = socket(AF_INET, SOCK_STREAM, 0)) != CURL_SOCKET_BAD ) {
if (addr || sa_filled_in) {
portsock = socket(AF_INET, SOCK_STREAM, 0);
if(CURL_SOCKET_BAD != portsock) {
int size;
/* we set the secondary socket variable to this for now, it
@ -1439,11 +1337,7 @@ CURLcode ftp_use_port(struct connectdata *conn)
conn->sock[SECONDARYSOCKET] = portsock;
if(!sa_filled_in) {
memset((char *)&sa, 0, sizeof(sa));
memcpy((char *)&sa.sin_addr,
h->addr->h_addr,
h->addr->h_length);
sa.sin_family = AF_INET;
memcpy(&sa, addr->ai_addr, sizeof(sa));
sa.sin_addr.s_addr = INADDR_ANY;
}
@ -1478,29 +1372,19 @@ CURLcode ftp_use_port(struct connectdata *conn)
}
}
else {
failf(data, "could't find my own IP address (%s)", myhost);
failf(data, "could't find IP address to use");
return CURLE_FTP_PORT_FAILED;
}
{
#ifdef HAVE_INET_NTOA_R
char ntoa_buf[64];
#endif
struct in_addr in;
unsigned short ip[5];
(void) memcpy(&in.s_addr,
h?*h->addr->h_addr_list:(char *)&sa.sin_addr.s_addr,
sizeof (in.s_addr));
#ifdef HAVE_INET_NTOA_R
/* ignore the return code from inet_ntoa_r() as it is int or
char * depending on system */
inet_ntoa_r(in, ntoa_buf, sizeof(ntoa_buf));
sscanf( ntoa_buf, "%hu.%hu.%hu.%hu",
&ip[0], &ip[1], &ip[2], &ip[3]);
#else
sscanf( inet_ntoa(in), "%hu.%hu.%hu.%hu",
&ip[0], &ip[1], &ip[2], &ip[3]);
#endif
if(sa_filled_in)
Curl_inet_ntop(AF_INET, &((struct sockaddr_in *)&sa)->sin_addr,
myhost, sizeof(myhost));
else
Curl_printable_address(addr, myhost, sizeof(myhost));
if(4 == sscanf(myhost, "%hu.%hu.%hu.%hu",
&ip[0], &ip[1], &ip[2], &ip[3])) {
infof(data, "Telling server to connect to %d.%d.%d.%d:%d\n",
ip[0], ip[1], ip[2], ip[3], porttouse);
@ -1510,7 +1394,12 @@ CURLcode ftp_use_port(struct connectdata *conn)
porttouse & 255);
if(result)
return result;
}
else
return CURLE_FTP_PORT_FAILED;
Curl_freeaddrinfo(addr);
result = Curl_GetFTPResponse(&nread, conn, &ftpcode);
if(result)
@ -1544,7 +1433,7 @@ CURLcode ftp_use_pasv(struct connectdata *conn,
int ftpcode; /* receive FTP response codes in this */
CURLcode result;
struct Curl_dns_entry *addr=NULL;
Curl_ipconnect *conninfo;
Curl_addrinfo *conninfo;
int rc;
/*
@ -1693,7 +1582,6 @@ CURLcode ftp_use_pasv(struct connectdata *conn,
result = Curl_connecthost(conn,
addr,
connectport,
&conn->sock[SECONDARYSOCKET],
&conninfo,
connected);

53
lib/hash.c
View File

@ -1,8 +1,8 @@
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
@ -10,7 +10,7 @@
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
@ -47,7 +47,7 @@ hash_str(const char *key, size_t key_length)
return h;
}
static void
static void
hash_element_dtor(void *user, void *element)
{
curl_hash *h = (curl_hash *) user;
@ -70,7 +70,7 @@ Curl_hash_init(curl_hash *h, int slots, curl_hash_dtor dtor)
h->dtor = dtor;
h->size = 0;
h->slots = slots;
h->slots = slots;
h->table = (curl_llist **) malloc(slots * sizeof(curl_llist *));
if(h->table) {
@ -106,10 +106,10 @@ Curl_hash_alloc(int slots, curl_hash_dtor dtor)
return h;
}
static int
static int
hash_key_compare(char *key1, size_t key1_len, char *key2, size_t key2_len)
{
if (key1_len == key2_len &&
if (key1_len == key2_len &&
*key1 == *key2 &&
memcmp(key1, key2, key1_len) == 0) {
return 1;
@ -180,29 +180,6 @@ Curl_hash_add(curl_hash *h, char *key, size_t key_len, void *p)
return NULL; /* failure */
}
#if 0
int
Curl_hash_delete(curl_hash *h, char *key, size_t key_len)
{
curl_hash_element *he;
curl_llist_element *le;
curl_llist *l = FETCH_LIST(h, key, key_len);
for (le = l->head;
le;
le = le->next) {
he = le->ptr;
if (hash_key_compare(he->key, he->key_len, key, key_len)) {
Curl_llist_remove(l, le, (void *) h);
--h->size;
return 1;
}
}
return 0;
}
#endif
void *
Curl_hash_pick(curl_hash *h, char *key, size_t key_len)
{
@ -223,7 +200,7 @@ Curl_hash_pick(curl_hash *h, char *key, size_t key_len)
}
#if defined(CURLDEBUG) && defined(AGGRESIVE_TEST)
void
void
Curl_hash_apply(curl_hash *h, void *user,
void (*cb)(void *user, void *ptr))
{
@ -278,15 +255,7 @@ Curl_hash_clean_with_criterium(curl_hash *h, void *user,
}
}
#if 0
int
Curl_hash_count(curl_hash *h)
{
return h->size;
}
#endif
void
void
Curl_hash_destroy(curl_hash *h)
{
if (!h)

10
lib/hash.h
View File

@ -1,10 +1,10 @@
#ifndef __HASH_H
#define __HASH_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
@ -12,7 +12,7 @@
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.

27
lib/hostares.c
View File

@ -1,8 +1,8 @@
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
@ -10,7 +10,7 @@
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
@ -204,7 +204,7 @@ CURLcode Curl_wait_for_resolv(struct connectdata *conn,
store.tv_sec = (int)timeout/1000;
store.tv_usec = (timeout%1000)*1000;
FD_ZERO(&read_fds);
FD_ZERO(&write_fds);
nfds = ares_fds(data->state.areschannel, &read_fds, &write_fds);
@ -229,7 +229,7 @@ CURLcode Curl_wait_for_resolv(struct connectdata *conn,
/* Operation complete, if the lookup was successful we now have the entry
in the cache. */
if(entry)
*entry = conn->async.dns;
@ -251,7 +251,7 @@ CURLcode Curl_wait_for_resolv(struct connectdata *conn,
cleaning up this connection properly */
Curl_disconnect(conn);
}
return rc;
}
@ -273,10 +273,11 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
in_addr_t in = inet_addr(hostname);
*waitp = FALSE;
if (in != CURL_INADDR_NONE)
if (in != CURL_INADDR_NONE) {
/* This is a dotted IP address 123.123.123.123-style */
return Curl_ip2addr(in, hostname);
return Curl_ip2addr(in, hostname, port);
}
bufp = strdup(hostname);
@ -290,8 +291,8 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
/* areschannel is already setup in the Curl_open() function */
ares_gethostbyname(data->state.areschannel, hostname, PF_INET,
Curl_addrinfo_callback, conn);
Curl_addrinfo4_callback, conn);
*waitp = TRUE; /* please wait for the response */
}
return NULL; /* no struct yet */

30
lib/hostasyn.c
View File

@ -108,9 +108,9 @@
*
* The storage operation locks and unlocks the DNS cache.
*/
void Curl_addrinfo_callback(void *arg, /* "struct connectdata *" */
int status,
Curl_addrinfo *hostent)
static void addrinfo_callback(void *arg, /* "struct connectdata *" */
int status,
void *addr)
{
struct connectdata *conn = (struct connectdata *)arg;
struct Curl_dns_entry *dns = NULL;
@ -126,19 +126,19 @@ void Curl_addrinfo_callback(void *arg, /* "struct connectdata *" */
*
* IPv6: Curl_addrinfo_copy() returns the input pointer!
*/
Curl_addrinfo *he = Curl_addrinfo_copy(hostent);
if(he) {
Curl_addrinfo *ai = Curl_addrinfo_copy(addr, conn->async.port);
if(ai) {
struct SessionHandle *data = conn->data;
if(data->share)
Curl_share_lock(data, CURL_LOCK_DATA_DNS, CURL_LOCK_ACCESS_SINGLE);
dns = Curl_cache_addr(data, he,
dns = Curl_cache_addr(data, ai,
conn->async.hostname,
conn->async.port);
if(!dns)
/* failed to store, cleanup and return error */
Curl_freeaddrinfo(he);
Curl_freeaddrinfo(ai);
if(data->share)
Curl_share_unlock(data, CURL_LOCK_DATA_DNS);
@ -151,4 +151,20 @@ void Curl_addrinfo_callback(void *arg, /* "struct connectdata *" */
this function */
}
void Curl_addrinfo4_callback(void *arg, /* "struct connectdata *" */
int status,
struct hostent *hostent)
{
addrinfo_callback(arg, status, hostent);
}
#ifdef CURLRES_IPV6
void Curl_addrinfo6_callback(void *arg, /* "struct connectdata *" */
int status,
struct addrinfo *hostent)
{
addrinfo_callback(arg, status, hostent);
}
#endif
#endif /* CURLRES_ASYNC */

141
lib/hostip.c
View File

@ -174,14 +174,8 @@ void Curl_global_host_cache_dtor(void)
int Curl_num_addresses(const Curl_addrinfo *addr)
{
int i;
#ifdef ENABLE_IPV6
for (i = 0; addr; addr = addr->ai_next, i++)
#else
for (i = 0; addr->h_addr_list[i]; i++)
#endif
;
return (i);
for (i = 0; addr; addr = addr->ai_next, i++);
return i;
}
/*
@ -191,18 +185,18 @@ int Curl_num_addresses(const Curl_addrinfo *addr)
*
* If the conversion fails, it returns NULL.
*/
const char *Curl_printable_address(const Curl_ipconnect *ip,
const char *Curl_printable_address(const Curl_addrinfo *ip,
char *buf, size_t bufsize)
{
#ifdef CURLRES_IPV6
const void *ip4 = &((const struct sockaddr_in*)ip->ai_addr)->sin_addr;
const void *ip6 = &((const struct sockaddr_in6*)ip->ai_addr)->sin6_addr;
int af = ip->ai_family;
return Curl_inet_ntop(af, af == AF_INET6 ? ip6 : ip4, buf, bufsize);
#ifdef CURLRES_IPV6
const void *ip6 = &((const struct sockaddr_in6*)ip->ai_addr)->sin6_addr;
#else
return Curl_inet_ntop(AF_INET, ip, buf, bufsize);
const void *ip6 = NULL;
#endif
return Curl_inet_ntop(af, af == AF_INET ? ip4 : ip6, buf, bufsize);
}
/*
@ -547,35 +541,6 @@ curl_hash *Curl_mk_dnscache(void)
return Curl_hash_alloc(7, freednsentry);
}
#ifdef CURLRES_HOSTENT_RELOCATE
/*
* Curl_hostent_relocate() ajusts all pointers in the given hostent struct
* according to the offset. This is typically used when a hostent has been
* reallocated and needs to be setup properly on the new address.
*/
void Curl_hostent_relocate(struct hostent *h, long offset)
{
int i=0;
h->h_name=(char *)((long)h->h_name+offset);
if(h->h_aliases) {
/* only relocate aliases if there are any! */
h->h_aliases=(char **)((long)h->h_aliases+offset);
while(h->h_aliases[i]) {
h->h_aliases[i]=(char *)((long)h->h_aliases[i]+offset);
i++;
}
}
h->h_addr_list=(char **)((long)h->h_addr_list+offset);
i=0;
while(h->h_addr_list[i]) {
h->h_addr_list[i]=(char *)((long)h->h_addr_list[i]+offset);
i++;
}
}
#endif /* CURLRES_HOSTENT_RELOCATE */
#ifdef CURLRES_ADDRINFO_COPY
/* align on even 64bit boundaries */
@ -586,94 +551,10 @@ void Curl_hostent_relocate(struct hostent *h, long offset)
* returns a pointer to the malloc()ed copy. You need to call free() on the
* returned buffer when you're done with it.
*/
Curl_addrinfo *Curl_addrinfo_copy(Curl_addrinfo *orig)
Curl_addrinfo *Curl_addrinfo_copy(void *org, int port)
{
char *newbuf;
Curl_addrinfo *copy;
int i;
char *str;
size_t len;
char *aptr = (char *)malloc(CURL_HOSTENT_SIZE);
char *bufptr = aptr;
struct hostent *orig = org;
if(!bufptr)
return NULL; /* major bad */
copy = (Curl_addrinfo *)bufptr;
bufptr += sizeof(Curl_addrinfo);
copy->h_name = bufptr;
len = strlen(orig->h_name) + 1;
strncpy(bufptr, orig->h_name, len);
bufptr += len;
/* This must be aligned properly to work on many CPU architectures! */
bufptr = MEMALIGN(bufptr);
copy->h_aliases = (char**)bufptr;
/* Figure out how many aliases there are */
for (i = 0; orig->h_aliases && orig->h_aliases[i]; ++i);
/* Reserve room for the array */
bufptr += (i + 1) * sizeof(char*);
/* Clone all known aliases */
if(orig->h_aliases) {
for(i = 0; (str = orig->h_aliases[i]); i++) {
len = strlen(str) + 1;
strncpy(bufptr, str, len);
copy->h_aliases[i] = bufptr;
bufptr += len;
}
}
/* if(!orig->h_aliases) i was already set to 0 */
/* Terminate the alias list with a NULL */
copy->h_aliases[i] = NULL;
copy->h_addrtype = orig->h_addrtype;
copy->h_length = orig->h_length;
/* align it for (at least) 32bit accesses */
bufptr = MEMALIGN(bufptr);
copy->h_addr_list = (char**)bufptr;
/* Figure out how many addresses there are */
for (i = 0; orig->h_addr_list[i] != NULL; ++i);
/* Reserve room for the array */
bufptr += (i + 1) * sizeof(char*);
i = 0;
len = orig->h_length;
str = orig->h_addr_list[i];
while (str != NULL) {
memcpy(bufptr, str, len);
copy->h_addr_list[i] = bufptr;
bufptr += len;
str = orig->h_addr_list[++i];
}
copy->h_addr_list[i] = NULL;
/* now, shrink the allocated buffer to the size we actually need, which
most often is only a fraction of the original alloc */
newbuf=(char *)realloc(aptr, (long)(bufptr-aptr));
if(!newbuf) {
/* serious error, but since this is shrinking only requested, we can
still use the previous memory block */
newbuf = aptr;
}
/* if the alloc moved, we need to adjust the hostent struct */
else if(newbuf != aptr)
Curl_hostent_relocate((struct hostent*)newbuf, (long)(newbuf-aptr));
/* setup the return */
copy = (Curl_addrinfo *)newbuf;
return copy;
return Curl_he2ai(orig, port);
}
#endif /* CURLRES_ADDRINFO_COPY */

172
lib/hostip.h
View File

@ -26,6 +26,85 @@
#include "setup.h"
#include "hash.h"
/*
* Setup comfortable CURLRES_* defines to use in the host*.c sources.
*/
#ifdef USE_ARES
#define CURLRES_ASYNCH
#define CURLRES_ARES
#endif
#ifdef USE_THREADING_GETHOSTBYNAME
#define CURLRES_ASYNCH
#define CURLRES_THREADED
#endif
#ifdef USE_THREADING_GETADDRINFO
#define CURLRES_ASYNCH
#define CURLRES_THREADED
#endif
#ifdef ENABLE_IPV6
#define CURLRES_IPV6
#else
#define CURLRES_IPV4
#endif
#ifdef CURLRES_IPV4
#if !defined(HAVE_GETHOSTBYNAME_R) || defined(CURLRES_ASYNCH)
/* If built for ipv4 and missing gethostbyname_r(), or if using async name
resolve, we need the Curl_addrinfo_copy() function (which itself needs the
Curl_hostent_relocate() function)) */
#define CURLRES_ADDRINFO_COPY
#endif
#endif /* IPv4-only */
#ifndef CURLRES_ASYNCH
#define CURLRES_SYNCH
#endif
#ifndef USE_LIBIDN
#define CURLRES_IDN
#endif
/* Allocate enough memory to hold the full name information structs and
* everything. OSF1 is known to require at least 8872 bytes. The buffer
* required for storing all possible aliases and IP numbers is according to
* Stevens' Unix Network Programming 2nd edition, p. 304: 8192 bytes!
*/
#define CURL_HOSTENT_SIZE 9000
#define CURL_TIMEOUT_RESOLVE 300 /* when using asynch methods, we allow this
many seconds for a name resolve */
#ifdef CURLRES_ARES
#define CURL_ASYNC_SUCCESS ARES_SUCCESS
#else
#define CURL_ASYNC_SUCCESS CURLE_OK
#endif
/*
* Curl_addrinfo MUST be used for all name resolved info.
*/
#ifdef CURLRES_IPV6
typedef struct addrinfo Curl_addrinfo;
#else
/* OK, so some ipv4-only include tree probably have the addrinfo struct, but
to work even on those that don't, we provide our own look-alike! */
struct Curl_addrinfo {
int ai_flags;
int ai_family;
int ai_socktype;
int ai_protocol;
size_t ai_addrlen;
struct sockaddr *ai_addr;
char *ai_canonname;
struct Curl_addrinfo *ai_next;
};
typedef struct Curl_addrinfo Curl_addrinfo;
#endif
struct addrinfo;
struct hostent;
struct SessionHandle;
@ -119,28 +198,37 @@ int curl_dogetnameinfo(const struct sockaddr *sa, socklen_t salen,
#endif
/* This is the callback function that is used when we build with asynch
resolve */
void Curl_addrinfo_callback(void *arg,
resolve, ipv4 */
void Curl_addrinfo4_callback(void *arg,
int status,
Curl_addrinfo *hostent);
struct hostent *hostent);
/* This is the callback function that is used when we build with asynch
resolve, ipv6 */
void Curl_addrinfo6_callback(void *arg,
int status,
struct hostent *hostent);
/* This is a utility-function for ipv4-builds to create a hostent struct
from a numerical-only IP address */
Curl_addrinfo *Curl_ip2addr(in_addr_t num, char *hostname);
/* [ipv4 only] Creates a Curl_addrinfo struct from a numerical-only IP
address */
Curl_addrinfo *Curl_ip2addr(in_addr_t num, char *hostname, int port);
/* [ipv4 only] Curl_he2ai() converts a struct hostent to a Curl_addrinfo chain
and returns it */
Curl_addrinfo *Curl_he2ai(struct hostent *, unsigned short port);
/* relocate a hostent struct */
void Curl_hostent_relocate(struct hostent *h, long offset);
/* copy a Curl_addrinfo struct, currently this only supports copying
a hostent (ipv4-style) struct */
Curl_addrinfo *Curl_addrinfo_copy(Curl_addrinfo *orig);
/* Clone a Curl_addrinfo struct, works protocol independently */
Curl_addrinfo *Curl_addrinfo_copy(void *orig, int port);
/*
* Curl_printable_address() returns a printable version of the 1st address
* given in the 'ip' argument. The result will be stored in the buf that is
* bufsize bytes big.
*/
const char *Curl_printable_address(const Curl_ipconnect *ip,
const char *Curl_printable_address(const Curl_addrinfo *ip,
char *buf, size_t bufsize);
/*
@ -158,71 +246,7 @@ Curl_cache_addr(struct SessionHandle *data, Curl_addrinfo *addr,
#define CURL_INADDR_NONE INADDR_NONE
#endif
/*
* Setup comfortable CURLRES_* defines to use in the host*.c sources.
*/
#ifdef USE_ARES
#define CURLRES_ASYNCH
#define CURLRES_ARES
#endif
#ifdef USE_THREADING_GETHOSTBYNAME
#define CURLRES_ASYNCH
#define CURLRES_THREADED
#endif
#ifdef USE_THREADING_GETADDRINFO
#define CURLRES_ASYNCH
#define CURLRES_THREADED
#endif
#ifdef ENABLE_IPV6
#define CURLRES_IPV6
#else
#define CURLRES_IPV4
#endif
#ifdef CURLRES_IPV4
#if !defined(HAVE_GETHOSTBYNAME_R) || defined(CURLRES_ASYNCH)
/* If built for ipv4 and missing gethostbyname_r(), or if using async name
resolve, we need the Curl_addrinfo_copy() function (which itself needs the
Curl_hostent_relocate() function)) */
#define CURLRES_ADDRINFO_COPY
#define CURLRES_HOSTENT_RELOCATE
#endif
#endif /* IPv4-only */
#ifdef HAVE_GETHOSTBYNAME_R_6
#define CURLRES_HOSTENT_RELOCATE
#endif
#ifdef HAVE_GETHOSTBYNAME_R_5
#define CURLRES_HOSTENT_RELOCATE
#endif
#ifndef CURLRES_ASYNCH
#define CURLRES_SYNCH
#endif
#ifndef USE_LIBIDN
#define CURLRES_IDN
#endif
/* Allocate enough memory to hold the full name information structs and
* everything. OSF1 is known to require at least 8872 bytes. The buffer
* required for storing all possible aliases and IP numbers is according to
* Stevens' Unix Network Programming 2nd edition, p. 304: 8192 bytes!
*/
#define CURL_HOSTENT_SIZE 9000
#define CURL_TIMEOUT_RESOLVE 300 /* when using asynch methods, we allow this
many seconds for a name resolve */
#ifdef CURLRES_ARES
#define CURL_ASYNC_SUCCESS ARES_SUCCESS
#else
#define CURL_ASYNC_SUCCESS CURLE_OK
#endif
#endif

278
lib/hostip4.c
View File

@ -1,8 +1,8 @@
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
@ -10,7 +10,7 @@
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
@ -97,13 +97,19 @@
#ifdef CURLRES_IPV4 /* plain ipv4 code coming up */
/*
* This is a wrapper function for freeing name information in a protocol
* independent way. This takes care of using the appropriate underlying
* function.
* This is a function for freeing name information in a protocol independent
* way.
*/
void Curl_freeaddrinfo(Curl_addrinfo *p)
void Curl_freeaddrinfo(Curl_addrinfo *ai)
{
free(p); /* works fine for the ARES case too */
Curl_addrinfo *next;
/* walk over the list and free all entries */
while(ai) {
next = ai->ai_next;
free(ai);
ai = next;
}
}
/*
@ -119,28 +125,29 @@ bool Curl_ipvalid(struct SessionHandle *data)
return TRUE; /* OK, proceed */
}
struct namebuf {
struct hostent hostentry;
char *h_addr_list[2];
struct in_addr addrentry;
char h_name[16]; /* 123.123.123.123 = 15 letters is maximum */
};
/*
* Curl_ip2addr() takes a 32bit ipv4 internet address as input parameter
* together with a pointer to the string version of the address, and it
* retruns a malloc()ed version of a hostent struct filled in correctly with
* information for this address/host.
* returns a Curl_addrinfo chain filled in correctly with information for this
* address/host.
*
* The input parameters ARE NOT checked for validity but they are expected
* to have been checked already when this is called.
*/
Curl_addrinfo *Curl_ip2addr(in_addr_t num, char *hostname)
Curl_addrinfo *Curl_ip2addr(in_addr_t num, char *hostname, int port)
{
Curl_addrinfo *ai;
struct hostent *h;
struct in_addr *addrentry;
struct namebuf {
struct hostent hostentry;
char *h_addr_list[2];
struct in_addr addrentry;
char h_name[16]; /* 123.123.123.123 = 15 letters is maximum */
} *buf = (struct namebuf *)malloc(sizeof(struct namebuf));
if(!buf)
return NULL; /* major failure */
struct namebuf buffer;
struct namebuf *buf = &buffer;
h = &buf->hostentry;
h->h_addr_list = &buf->h_addr_list[0];
@ -156,7 +163,9 @@ Curl_addrinfo *Curl_ip2addr(in_addr_t num, char *hostname)
/* Now store the dotted version of the address */
snprintf(h->h_name, 16, "%s", hostname);
return h;
ai = Curl_he2ai(h, port);
return ai;
}
#ifdef CURLRES_SYNCH /* the functions below are for synchronous resolves */
@ -183,6 +192,7 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
int port,
int *waitp)
{
Curl_addrinfo *ai = NULL;
struct hostent *h = NULL;
in_addr_t in;
struct SessionHandle *data = conn->data;
@ -191,9 +201,10 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
*waitp = 0; /* don't wait, we act synchronously */
in=inet_addr(hostname);
if (in != CURL_INADDR_NONE)
if (in != CURL_INADDR_NONE) {
/* This is a dotted IP address 123.123.123.123-style */
return Curl_ip2addr(in, hostname);
return Curl_ip2addr(in, hostname, port);
}
#if defined(HAVE_GETHOSTBYNAME_R)
/*
@ -204,7 +215,6 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
else {
int h_errnop;
int res=ERANGE;
int step_size=200;
int *buf = (int *)calloc(CURL_HOSTENT_SIZE, 1);
if(!buf)
return NULL; /* major failure */
@ -217,99 +227,64 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
#ifdef HAVE_GETHOSTBYNAME_R_5
/* Solaris, IRIX and more */
(void)res; /* prevent compiler warning */
while(!h) {
h = gethostbyname_r(hostname,
(struct hostent *)buf,
(char *)buf + sizeof(struct hostent),
step_size - sizeof(struct hostent),
&h_errnop);
h = gethostbyname_r(hostname,
(struct hostent *)buf,
(char *)buf + sizeof(struct hostent),
CURL_HOSTENT_SIZE - sizeof(struct hostent),
&h_errnop);
/* If the buffer is too small, it returns NULL and sets errno to
* ERANGE. The errno is thread safe if this is compiled with
* -D_REENTRANT as then the 'errno' variable is a macro defined to get
* used properly for threads.
*/
if(h || (errno != ERANGE))
break;
step_size+=200;
}
#ifdef CURLDEBUG
infof(data, "gethostbyname_r() uses %d bytes\n", step_size);
#endif
/* If the buffer is too small, it returns NULL and sets errno to
* ERANGE. The errno is thread safe if this is compiled with
* -D_REENTRANT as then the 'errno' variable is a macro defined to get
* used properly for threads.
*/
if(h) {
int offset;
h=(struct hostent *)realloc(buf, step_size);
offset=(long)h-(long)buf;
Curl_hostent_relocate(h, offset);
buf=(int *)h;
;
}
else
#endif /* HAVE_GETHOSTBYNAME_R_5 */
#ifdef HAVE_GETHOSTBYNAME_R_6
/* Linux */
do {
res=gethostbyname_r(hostname,
(struct hostent *)buf,
(char *)buf + sizeof(struct hostent),
step_size - sizeof(struct hostent),
&h, /* DIFFERENCE */
&h_errnop);
/* Redhat 8, using glibc 2.2.93 changed the behavior. Now all of a
* sudden this function returns EAGAIN if the given buffer size is too
* small. Previous versions are known to return ERANGE for the same
* problem.
*
* This wouldn't be such a big problem if older versions wouldn't
* sometimes return EAGAIN on a common failure case. Alas, we can't
* assume that EAGAIN *or* ERANGE means ERANGE for any given version of
* glibc.
*
* For now, we do that and thus we may call the function repeatedly and
* fail for older glibc versions that return EAGAIN, until we run out of
* buffer size (step_size grows beyond CURL_HOSTENT_SIZE).
*
* If anyone has a better fix, please tell us!
*
* -------------------------------------------------------------------
*
* On October 23rd 2003, Dan C dug up more details on the mysteries of
* gethostbyname_r() in glibc:
*
* In glibc 2.2.5 the interface is different (this has also been
* discovered in glibc 2.1.1-6 as shipped by Redhat 6). What I can't
* explain, is that tests performed on glibc 2.2.4-34 and 2.2.4-32
* (shipped/upgraded by Redhat 7.2) don't show this behavior!
*
* In this "buggy" version, the return code is -1 on error and 'errno'
* is set to the ERANGE or EAGAIN code. Note that 'errno' is not a
* thread-safe variable.
*/
if(((ERANGE == res) || (EAGAIN == res)) ||
((res<0) && ((ERANGE == errno) || (EAGAIN == errno))))
step_size+=200;
else
break;
} while(step_size <= CURL_HOSTENT_SIZE);
res=gethostbyname_r(hostname,
(struct hostent *)buf,
(char *)buf + sizeof(struct hostent),
CURL_HOSTENT_SIZE - sizeof(struct hostent),
&h, /* DIFFERENCE */
&h_errnop);
/* Redhat 8, using glibc 2.2.93 changed the behavior. Now all of a
* sudden this function returns EAGAIN if the given buffer size is too
* small. Previous versions are known to return ERANGE for the same
* problem.
*
* This wouldn't be such a big problem if older versions wouldn't
* sometimes return EAGAIN on a common failure case. Alas, we can't
* assume that EAGAIN *or* ERANGE means ERANGE for any given version of
* glibc.
*
* For now, we do that and thus we may call the function repeatedly and
* fail for older glibc versions that return EAGAIN, until we run out of
* buffer size (step_size grows beyond CURL_HOSTENT_SIZE).
*
* If anyone has a better fix, please tell us!
*
* -------------------------------------------------------------------
*
* On October 23rd 2003, Dan C dug up more details on the mysteries of
* gethostbyname_r() in glibc:
*
* In glibc 2.2.5 the interface is different (this has also been
* discovered in glibc 2.1.1-6 as shipped by Redhat 6). What I can't
* explain, is that tests performed on glibc 2.2.4-34 and 2.2.4-32
* (shipped/upgraded by Redhat 7.2) don't show this behavior!
*
* In this "buggy" version, the return code is -1 on error and 'errno'
* is set to the ERANGE or EAGAIN code. Note that 'errno' is not a
* thread-safe variable.
*/
if(!h) /* failure */
res=1;
#ifdef CURLDEBUG
infof(data, "gethostbyname_r() uses %d bytes\n", step_size);
#endif
if(!res) {
int offset;
h=(struct hostent *)realloc(buf, step_size);
offset=(long)h-(long)buf;
Curl_hostent_relocate(h, offset);
buf=(int *)h;
}
else
#endif/* HAVE_GETHOSTBYNAME_R_6 */
#ifdef HAVE_GETHOSTBYNAME_R_3
/* AIX, Digital Unix/Tru64, HPUX 10, more? */
@ -361,7 +336,7 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
* calling Curl_addrinfo_copy() that subsequent realloc()s down the new
* memory area to the actually used amount.
*/
}
}
else
#endif /* HAVE_GETHOSTBYNAME_R_3 */
{
@ -386,14 +361,95 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
* between threads, which thus the copying here them allows the app to
* do.
*/
h = Curl_addrinfo_copy(h);
return Curl_addrinfo_copy(h);
}
#endif /*HAVE_GETHOSTBYNAME_R */
}
return h;
if(h) {
ai = Curl_he2ai(h, port);
free(h);
}
return ai;
}
#endif /* CURLRES_SYNCH */
/*
* Curl_he2ai() translates from a hostent struct to a Curl_addrinfo struct.
* The Curl_addrinfo is meant to work like the addrinfo struct does for IPv6
* stacks, but for all hosts and environments.
struct Curl_addrinfo {
int ai_flags;
int ai_family;
int ai_socktype;
int ai_protocol;
size_t ai_addrlen;
struct sockaddr *ai_addr;
char *ai_canonname;
struct addrinfo *ai_next;
};
struct hostent {
char *h_name; * official name of host *
char **h_aliases; * alias list *
int h_addrtype; * host address type *
int h_length; * length of address *
char **h_addr_list; * list of addresses *
}
#define h_addr h_addr_list[0] * for backward compatibility *
*/
Curl_addrinfo *Curl_he2ai(struct hostent *he, unsigned short port)
{
Curl_addrinfo *ai;
Curl_addrinfo *prevai = NULL;
Curl_addrinfo *firstai = NULL;
struct sockaddr_in *addr;
int i;
struct in_addr *curr;
if(!he)
/* no input == no output! */
return NULL;
for(i=0; (curr = (struct in_addr *)he->h_addr_list[i]); i++) {
ai = calloc(1, sizeof(struct addrinfo) + sizeof(struct sockaddr_in));
if(!ai)
break;
if(!firstai)
/* store the pointer we want to return from this function */
firstai = ai;
if(prevai)
/* make the previous entry point to this */
prevai->ai_next = ai;
ai->ai_family = AF_INET; /* we only support this */
ai->ai_socktype = SOCK_STREAM; /* we only support this */
ai->ai_addrlen = sizeof(struct sockaddr_in);
/* make the ai_addr point to the address immediately following this struct
and use that area to store the address */
ai->ai_addr = (struct sockaddr *) ((char*)ai + sizeof(struct addrinfo));
/* leave the rest of the struct filled with zero */
addr = (struct sockaddr_in *)ai->ai_addr; /* storage area for this info */
memcpy((char *)&(addr->sin_addr), curr, sizeof(struct in_addr));
addr->sin_family = he->h_addrtype;
addr->sin_port = htons((unsigned short)port);
prevai = ai;
}
return firstai;
}
#endif /* CURLRES_IPV4 */

2
lib/hostthre.c
View File

@ -469,7 +469,7 @@ Curl_addrinfo *Curl_getaddrinfo(struct connectdata *conn,
hostname, port, Curl_strerror(conn,WSAGetLastError()));
return NULL;
}
return h;
return Curl_he2ai(h, port);
}
#endif /* CURLRES_IPV4 */

14
lib/if2ip.c
View File

@ -1,8 +1,8 @@
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
@ -10,7 +10,7 @@
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
@ -64,7 +64,7 @@
#include <sys/sockio.h>
#endif
#if defined(HAVE_INET_NTOA_R) && !defined(HAVE_INET_NTOA_R_DECL)
#if defined(HAVE_INET_NTOA_R) && !defined(HAVE_INET_NTOA_R_DECL)
#include "inet_ntoa_r.h"
#endif
@ -84,7 +84,7 @@ char *Curl_if2ip(const char *interface, char *buf, int buf_size)
{
int dummy;
char *ip=NULL;
if(!interface)
return NULL;

12
lib/if2ip.h
View File

@ -1,10 +1,10 @@
#ifndef __IF2IP_H
#define __IF2IP_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
@ -12,7 +12,7 @@
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
@ -63,7 +63,7 @@ struct ifreq {
#define ifr_metric ifr_ifru.ifru_metric /* metric */
#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
#define SIOCGIFADDR _IOW('s', 102, struct ifreq) /* Get if addr */
#define SIOCGIFADDR _IOW('s', 102, struct ifreq) /* Get if addr */
#endif /* interix */
#endif

34
lib/krb4.c
View File

@ -10,22 +10,22 @@
* Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@ -70,7 +70,7 @@
#include "memdebug.h"
#define LOCAL_ADDR (&conn->local_addr)
#define REMOTE_ADDR (&conn->serv_addr)
#define REMOTE_ADDR conn->ip_addr->ai_addr
#define myctladdr LOCAL_ADDR
#define hisctladdr REMOTE_ADDR
@ -120,13 +120,13 @@ krb4_decode(void *app_data, void *buf, int len, int level,
MSG_DAT m;
int e;
struct krb4_data *d = app_data;
if(level == prot_safe)
e = krb_rd_safe(buf, len, &d->key,
(struct sockaddr_in *)REMOTE_ADDR,
(struct sockaddr_in *)LOCAL_ADDR, &m);
else
e = krb_rd_priv(buf, len, d->schedule, &d->key,
e = krb_rd_priv(buf, len, d->schedule, &d->key,
(struct sockaddr_in *)REMOTE_ADDR,
(struct sockaddr_in *)LOCAL_ADDR, &m);
if(e) {
@ -155,11 +155,11 @@ krb4_encode(void *app_data, void *from, int length, int level, void **to,
struct krb4_data *d = app_data;
*to = malloc(length + 31);
if(level == prot_safe)
return krb_mk_safe(from, *to, length, &d->key,
return krb_mk_safe(from, *to, length, &d->key,
(struct sockaddr_in *)LOCAL_ADDR,
(struct sockaddr_in *)REMOTE_ADDR);
else if(level == prot_private)
return krb_mk_priv(from, *to, length, d->schedule, &d->key,
return krb_mk_priv(from, *to, length, d->schedule, &d->key,
(struct sockaddr_in *)LOCAL_ADDR,
(struct sockaddr_in *)REMOTE_ADDR);
else
@ -167,7 +167,7 @@ krb4_encode(void *app_data, void *from, int length, int level, void **to,
}
static int
mk_auth(struct krb4_data *d, KTEXT adat,
mk_auth(struct krb4_data *d, KTEXT adat,
const char *service, char *host, int checksum)
{
int ret;
@ -223,7 +223,7 @@ krb4_auth(void *app_data, struct connectdata *conn)
Curl_infof(data, "%s\n", krb_get_err_text(ret));
return AUTH_CONTINUE;
}
#ifdef HAVE_KRB_GET_OUR_IP_FOR_REALM
if (krb_get_config_bool("nat_in_use")) {
struct sockaddr_in *localaddr = (struct sockaddr_in *)LOCAL_ADDR;
@ -281,11 +281,11 @@ krb4_auth(void *app_data, struct connectdata *conn)
return AUTH_ERROR;
}
adat.length = len;
ret = krb_rd_safe(adat.dat, adat.length, &d->key,
(struct sockaddr_in *)hisctladdr,
ret = krb_rd_safe(adat.dat, adat.length, &d->key,
(struct sockaddr_in *)hisctladdr,
(struct sockaddr_in *)myctladdr, &msg_data);
if(ret) {
Curl_failf(data, "Error reading reply from server: %s",
Curl_failf(data, "Error reading reply from server: %s",
krb_get_err_text(ret));
return AUTH_ERROR;
}
@ -354,7 +354,7 @@ CURLcode Curl_krb_kauth(struct connectdata *conn)
}
tkt.length = tmp;
tktcopy.length = tkt.length;
p = strstr(conn->data->state.buffer, "P=");
if(!p) {
Curl_failf(conn->data, "Bad reply from server");
@ -367,7 +367,7 @@ CURLcode Curl_krb_kauth(struct connectdata *conn)
des_string_to_key (conn->passwd, &key);
des_key_sched(&key, schedule);
des_pcbc_encrypt((void *)tkt.dat, (void *)tktcopy.dat,
tkt.length,
schedule, &key, DES_DECRYPT);

65
lib/llist.c
View File

@ -1,8 +1,8 @@
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
@ -10,7 +10,7 @@
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
@ -32,7 +32,7 @@
/* this must be the last include file */
#include "memdebug.h"
void
void
Curl_llist_init(curl_llist *l, curl_llist_dtor dtor)
{
l->size = 0;
@ -90,36 +90,7 @@ Curl_llist_insert_next(curl_llist *list, curl_llist_element *e, const void *p)
return 1;
}
#if 0
int
Curl_llist_insert_prev(curl_llist *list, curl_llist_element *e, const void *p)
{
curl_llist_element *ne;
ne = (curl_llist_element *) malloc(sizeof(curl_llist_element));
ne->ptr = (void *) p;
if (list->size == 0) {
list->head = ne;
list->head->prev = NULL;
list->head->next = NULL;
list->tail = ne;
} else {
ne->next = e;
ne->prev = e->prev;
if (e->prev)
e->prev->next = ne;
else
list->head = ne;
e->prev = ne;
}
++list->size;
return 1;
}
#endif
int
int
Curl_llist_remove(curl_llist *list, curl_llist_element *e, void *user)
{
if (e == NULL || list->size == 0)
@ -147,27 +118,7 @@ Curl_llist_remove(curl_llist *list, curl_llist_element *e, void *user)
return 1;
}
#if 0
int
Curl_llist_remove_next(curl_llist *list, curl_llist_element *e, void *user)
{
return Curl_llist_remove(list, e->next, user);
}
int
Curl_llist_remove_prev(curl_llist *list, curl_llist_element *e, void *user)
{
return Curl_llist_remove(list, e->prev, user);
}
size_t
Curl_llist_count(curl_llist *list)
{
return list->size;
}
#endif
void
void
Curl_llist_destroy(curl_llist *list, void *user)
{
if(list) {

20
lib/memdebug.c
View File

@ -1,9 +1,9 @@
#ifdef CURLDEBUG
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
@ -11,7 +11,7 @@
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
@ -99,12 +99,12 @@ static bool countcheck(const char *func, int line, const char *source)
}
else
memsize--; /* countdown */
/* log the countdown */
if(logfile && source)
fprintf(logfile, "LIMIT %s:%d %ld ALLOCS left\n",
source, line, memsize);
}
return FALSE; /* allow this */
@ -166,7 +166,7 @@ char *curl_dostrdup(const char *str, int line, const char *source)
size_t len;
curlassert(str != NULL);
if(countcheck("strdup", line, source))
return NULL;
@ -221,7 +221,7 @@ void curl_dofree(void *ptr, int line, const char *source)
/* destroy */
memset(mem->mem, 0x13, mem->size);
/* free for real */
(Curl_cfree)(mem);
@ -285,7 +285,7 @@ int curl_fclose(FILE *file, int line, const char *source)
}
#else
#ifdef VMS
int VOID_VAR_MEMDEBUG;
int VOID_VAR_MEMDEBUG;
#else
/* we provide a fake do-nothing function here to avoid compiler warnings */
void curl_memdebug(void) {}

110
lib/mprintf.c
View File

@ -142,9 +142,6 @@ typedef struct {
LONG_LONG lnum;
#endif
double dnum;
#if 0 /*SIZEOF_LONG_DOUBLE */
long double ldnum;
#endif
} data;
} va_stack_t;
@ -227,7 +224,7 @@ int dprintf_Pass1Report(va_stack_t *vto, int max)
break;
case FORMAT_LONGDOUBLE:
type = "long double";
break;
break;
}
@ -317,7 +314,7 @@ static long dprintf_Pass1(char *format, va_stack_t *vto, char **endpos,
/* Handle the positional case (N$) */
param_num++;
this_param = dprintf_DollarString(fmt, &fmt);
if (0 == this_param)
/* we got no positional, get the next counter */
@ -418,7 +415,7 @@ static long dprintf_Pass1(char *format, va_stack_t *vto, char **endpos,
case '*': /* Special case */
flags |= FLAGS_WIDTHPARAM;
param_num++;
i = dprintf_DollarString(fmt, &fmt);
if(i)
width = i;
@ -471,7 +468,7 @@ static long dprintf_Pass1(char *format, va_stack_t *vto, char **endpos,
case 'c':
vto[i].type = FORMAT_INT;
flags |= FLAGS_CHAR;
break;
break;
case 'f':
vto[i].type = FORMAT_DOUBLE;
break;
@ -486,11 +483,11 @@ static long dprintf_Pass1(char *format, va_stack_t *vto, char **endpos,
case 'g':
vto[i].type = FORMAT_DOUBLE;
flags |= FLAGS_FLOATG;
break;
break;
case 'G':
vto[i].type = FORMAT_DOUBLE;
flags |= FLAGS_FLOATG|FLAGS_UPPER;
break;
break;
default:
vto[i].type = FORMAT_UNKNOWN;
break;
@ -499,7 +496,7 @@ static long dprintf_Pass1(char *format, va_stack_t *vto, char **endpos,
vto[i].flags = flags;
vto[i].width = width;
vto[i].precision = precision;
if (flags & FLAGS_WIDTHPARAM) {
/* we have the width specified from a parameter, so we make that
parameter's info setup properly */
@ -508,7 +505,7 @@ static long dprintf_Pass1(char *format, va_stack_t *vto, char **endpos,
vto[i].type = FORMAT_WIDTH;
vto[i].flags = FLAGS_NEW;
vto[i].precision = vto[i].width = 0; /* can't use width or precision
of width! */
of width! */
}
if (flags & FLAGS_PRECPARAM) {
/* we have the precision specified from a parameter, so we make that
@ -543,13 +540,13 @@ static long dprintf_Pass1(char *format, va_stack_t *vto, char **endpos,
case FORMAT_STRING:
vto[i].data.str = va_arg(arglist, char *);
break;
case FORMAT_INTPTR:
case FORMAT_UNKNOWN:
case FORMAT_PTR:
vto[i].data.ptr = va_arg(arglist, void *);
break;
case FORMAT_INT:
#ifdef ENABLE_64BIT
if(vto[i].flags & FLAGS_LONGLONG)
@ -561,23 +558,18 @@ static long dprintf_Pass1(char *format, va_stack_t *vto, char **endpos,
else
vto[i].data.num = va_arg(arglist, int);
break;
case FORMAT_DOUBLE:
#if 0 /*SIZEOF_LONG_DOUBLE */
if(vto[i].flags & FLAGS_LONG)
vto[i].data.ldnum = va_arg(arglist, long double);
else
#endif
vto[i].data.dnum = va_arg(arglist, double);
vto[i].data.dnum = va_arg(arglist, double);
break;
case FORMAT_WIDTH:
/* Argument has been read. Silently convert it into an integer
* for later use
*/
vto[i].type = FORMAT_INT;
break;
default:
break;
}
@ -620,21 +612,21 @@ static int dprintf_formatf(
end = &endpos[0]; /* the initial end-position from the list dprintf_Pass1()
created for us */
f = (char *)format;
while (*f != '\0') {
/* Format spec modifiers. */
char alt;
/* Width of a field. */
long width;
/* Precision of a field. */
long prec;
/* Decimal integer is negative. */
char is_neg;
/* Base of a number to be written. */
long base;
@ -645,7 +637,7 @@ static int dprintf_formatf(
unsigned long num;
#endif
long signed_num;
if (*f != '%') {
/* This isn't a format spec, so write everything out until the next one
OR end of string is reached. */
@ -654,9 +646,9 @@ static int dprintf_formatf(
} while(*++f && ('%' != *f));
continue;
}
++f;
/* Check for "%%". Note that although the ANSI standard lists
'%' as a conversion specifier, it says "The complete format
specification shall be `%%'," so we can avoid all the width
@ -675,7 +667,7 @@ static int dprintf_formatf(
param = param_num;
else
--param;
param_num++; /* increase this always to allow "%2$s %1$s %s" and then the
third %s will pick the 3rd argument */
@ -696,7 +688,7 @@ static int dprintf_formatf(
prec = -1;
alt = (p->flags & FLAGS_ALT)?TRUE:FALSE;
switch (p->type) {
case FORMAT_INT:
num = p->data.num;
@ -742,26 +734,26 @@ static int dprintf_formatf(
#endif
{
signed_num = (long) num;
is_neg = signed_num < 0;
num = is_neg ? (- signed_num) : signed_num;
}
goto number;
unsigned_number:;
/* Unsigned number of base BASE. */
is_neg = 0;
number:;
/* Number of base BASE. */
{
char *workend = &work[sizeof(work) - 1];
char *w;
/* Supply a default precision if none was given. */
if (prec == -1)
prec = 1;
/* Put the number in WORK. */
w = workend;
while (num > 0) {
@ -770,35 +762,35 @@ static int dprintf_formatf(
}
width -= workend - w;
prec -= workend - w;
if (alt && base == 8 && prec <= 0) {
*w-- = '0';
--width;
}
if (prec > 0) {
width -= prec;
while (prec-- > 0)
*w-- = '0';
}
if (alt && base == 16)
width -= 2;
if (is_neg || (p->flags & FLAGS_SHOWSIGN) || (p->flags & FLAGS_SPACE))
--width;
if (!(p->flags & FLAGS_LEFT) && !(p->flags & FLAGS_PAD_NIL))
while (width-- > 0)
OUTCHAR(' ');
if (is_neg)
OUTCHAR('-');
else if (p->flags & FLAGS_SHOWSIGN)
OUTCHAR('+');
else if (p->flags & FLAGS_SPACE)
OUTCHAR(' ');
if (alt && base == 16) {
OUTCHAR('0');
if(p->flags & FLAGS_UPPER)
@ -810,25 +802,25 @@ static int dprintf_formatf(
if (!(p->flags & FLAGS_LEFT) && (p->flags & FLAGS_PAD_NIL))
while (width-- > 0)
OUTCHAR('0');
/* Write the number. */
while (++w <= workend) {
OUTCHAR(*w);
}
if (p->flags & FLAGS_LEFT)
while (width-- > 0)
OUTCHAR(' ');
}
break;
case FORMAT_STRING:
/* String. */
{
static char null[] = "(nil)";
char *str;
size_t len;
str = (char *) p->data.str;
if ( str == NULL) {
/* Write null[] if there's space. */
@ -845,7 +837,7 @@ static int dprintf_formatf(
}
else
len = strlen(str);
if (prec != -1 && (size_t) prec < len)
len = prec;
width -= len;
@ -856,7 +848,7 @@ static int dprintf_formatf(
if (!(p->flags&FLAGS_LEFT))
while (width-- > 0)
OUTCHAR(' ');
while (len-- > 0)
OUTCHAR(*str++);
if (p->flags&FLAGS_LEFT)
@ -867,7 +859,7 @@ static int dprintf_formatf(
OUTCHAR('"');
}
break;
case FORMAT_PTR:
/* Generic pointer. */
{
@ -886,7 +878,7 @@ static int dprintf_formatf(
/* Write "(nil)" for a nil pointer. */
static char strnil[] = "(nil)";
char *point;
width -= sizeof(strnil) - 1;
if (p->flags & FLAGS_LEFT)
while (width-- > 0)
@ -904,7 +896,7 @@ static int dprintf_formatf(
{
char formatbuf[32]="%";
char *fptr;
width = -1;
if (p->flags & FLAGS_WIDTH)
width = p->width;
@ -948,13 +940,7 @@ static int dprintf_formatf(
/* NOTE NOTE NOTE!! Not all sprintf() implementations returns number
of output characters */
#if 0 /*SIZEOF_LONG_DOUBLE*/
if (p->flags & FLAGS_LONG)
/* This is for support of the 'long double' type */
(sprintf)(work, formatbuf, p->data.ldnum);
else
#endif
(sprintf)(work, formatbuf, p->data.dnum);
(sprintf)(work, formatbuf, p->data.dnum);
for(fptr=work; *fptr; fptr++)
OUTCHAR(*fptr);
@ -990,7 +976,7 @@ static int addbyter(int output, FILE *data)
{
struct nsprintf *infop=(struct nsprintf *)data;
unsigned char outc = (unsigned char)output;
if(infop->length < infop->max) {
/* only do this if we haven't reached max length yet */
infop->buffer[0] = outc; /* store */
@ -1038,7 +1024,7 @@ static int alloc_addbyter(int output, FILE *data)
{
struct asprintf *infop=(struct asprintf *)data;
unsigned char outc = (unsigned char)output;
if(!infop->buffer) {
infop->buffer=(char *)malloc(32);
if(!infop->buffer) {
@ -1195,7 +1181,7 @@ int main()
#endif
curl_mprintf("%3d %5d\n", 10, 1998);
ptr=curl_maprintf("test this then baby %s%s%s%s%s%s %d %d %d loser baby get a hit in yer face now!", "", "pretty long string pretty long string pretty long string pretty long string pretty long string", "/", "/", "/", "pretty long string", 1998, 1999, 2001);
puts(ptr);

13
lib/setup.h
View File

@ -270,19 +270,6 @@ typedef int curl_socket_t;
#endif
#endif
/*
* Curl_addrinfo MUST be used for name resolving information.
* Information regarding a single IP witin a Curl_addrinfo MUST be stored in
* a Curl_ipconnect struct.
*/
#ifdef ENABLE_IPV6
typedef struct addrinfo Curl_addrinfo;
typedef struct addrinfo Curl_ipconnect;
#else
typedef struct hostent Curl_addrinfo;
typedef struct in_addr Curl_ipconnect;
#endif
#ifdef mpeix
#define IOCTL_3_ARGS
#endif

180
lib/telnet.c
View File

@ -1,8 +1,8 @@
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
@ -10,7 +10,7 @@
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
@ -151,12 +151,12 @@ typedef enum
struct TELNET {
int please_negotiate;
int already_negotiated;
int us[256];
int usq[256];
int us_preferred[256];
int him[256];
int himq[256];
int him_preferred[256];
int us[256];
int usq[256];
int us_preferred[256];
int him[256];
int himq[256];
int him_preferred[256];
char subopt_ttype[32]; /* Set with suboption TTYPE */
char subopt_xdisploc[128]; /* Set with suboption XDISPLOC */
struct curl_slist *telnet_vars; /* Environment variables */
@ -164,7 +164,7 @@ struct TELNET {
/* suboptions */
char subbuffer[SUBBUFSIZE];
char *subpointer, *subend; /* buffer for sub-options */
TelnetReceive telrcv_state;
};
@ -172,22 +172,22 @@ struct TELNET {
static CURLcode
check_wsock2 ( struct SessionHandle *data )
{
int err;
WORD wVersionRequested;
WSADATA wsaData;
int err;
WORD wVersionRequested;
WSADATA wsaData;
curlassert(data);
/* telnet requires at least WinSock 2.0 so ask for it. */
wVersionRequested = MAKEWORD(2, 0);
err = WSAStartup(wVersionRequested, &wsaData);
err = WSAStartup(wVersionRequested, &wsaData);
/* We must've called this once already, so this call */
/* should always succeed. But, just in case... */
if (err != 0) {
failf(data,"WSAStartup failed (%d)",err);
return CURLE_FAILED_INIT;
return CURLE_FAILED_INIT;
}
/* We have to have a WSACleanup call for every successful */
@ -212,29 +212,17 @@ CURLcode init_telnet(struct connectdata *conn)
{
struct TELNET *tn;
tn = (struct TELNET *)malloc(sizeof(struct TELNET));
tn = (struct TELNET *)calloc(1, sizeof(struct TELNET));
if(!tn)
return CURLE_OUT_OF_MEMORY;
conn->proto.telnet = (void *)tn; /* make us known */
memset(tn, 0, sizeof(struct TELNET));
conn->proto.telnet = (void *)tn; /* make us known */
tn->telrcv_state = CURL_TS_DATA;
/* Init suboptions */
CURL_SB_CLEAR(tn);
/* Set all options to NO */
#if 0
/* NO is zero => default fill pattern */
memset(tn->us, CURL_NO, 256);
memset(tn->usq, CURL_NO, 256);
memset(tn->us_preferred, CURL_NO, 256);
memset(tn->him, CURL_NO, 256);
memset(tn->himq, CURL_NO, 256);
memset(tn->him_preferred, CURL_NO, 256);
#endif
/* Set the options we want by default */
tn->us_preferred[CURL_TELOPT_BINARY] = CURL_YES;
tn->us_preferred[CURL_TELOPT_SGA] = CURL_YES;
@ -248,12 +236,12 @@ static void negotiate(struct connectdata *conn)
{
int i;
struct TELNET *tn = (struct TELNET *)conn->proto.telnet;
for(i = 0;i < CURL_NTELOPTS;i++)
{
if(tn->us_preferred[i] == CURL_YES)
set_local_option(conn, i, CURL_YES);
if(tn->him_preferred[i] == CURL_YES)
set_remote_option(conn, i, CURL_YES);
}
@ -264,7 +252,7 @@ static void printoption(struct SessionHandle *data,
{
const char *fmt;
const char *opt;
if (data->set.verbose)
{
if (cmd == CURL_IAC)
@ -305,9 +293,9 @@ static void send_negotiation(struct connectdata *conn, int cmd, int option)
buf[0] = CURL_IAC;
buf[1] = cmd;
buf[2] = option;
(void)swrite(conn->sock[FIRSTSOCKET], buf, 3);
printoption(conn->data, "SENT", cmd, option);
}
@ -323,11 +311,11 @@ void set_remote_option(struct connectdata *conn, int option, int newstate)
tn->him[option] = CURL_WANTYES;
send_negotiation(conn, CURL_DO, option);
break;
case CURL_YES:
/* Already enabled */
break;
case CURL_WANTNO:
switch(tn->himq[option])
{
@ -340,7 +328,7 @@ void set_remote_option(struct connectdata *conn, int option, int newstate)
break;
}
break;
case CURL_WANTYES:
switch(tn->himq[option])
{
@ -361,12 +349,12 @@ void set_remote_option(struct connectdata *conn, int option, int newstate)
case CURL_NO:
/* Already disabled */
break;
case CURL_YES:
tn->him[option] = CURL_WANTNO;
send_negotiation(conn, CURL_DONT, option);
break;
case CURL_WANTNO:
switch(tn->himq[option])
{
@ -378,7 +366,7 @@ void set_remote_option(struct connectdata *conn, int option, int newstate)
break;
}
break;
case CURL_WANTYES:
switch(tn->himq[option])
{
@ -410,11 +398,11 @@ void rec_will(struct connectdata *conn, int option)
send_negotiation(conn, CURL_DONT, option);
}
break;
case CURL_YES:
/* Already enabled */
break;
case CURL_WANTNO:
switch(tn->himq[option])
{
@ -429,7 +417,7 @@ void rec_will(struct connectdata *conn, int option)
break;
}
break;
case CURL_WANTYES:
switch(tn->himq[option])
{
@ -445,7 +433,7 @@ void rec_will(struct connectdata *conn, int option)
break;
}
}
static
void rec_wont(struct connectdata *conn, int option)
{
@ -455,19 +443,19 @@ void rec_wont(struct connectdata *conn, int option)
case CURL_NO:
/* Already disabled */
break;
case CURL_YES:
tn->him[option] = CURL_NO;
send_negotiation(conn, CURL_DONT, option);
break;
case CURL_WANTNO:
switch(tn->himq[option])
{
case CURL_EMPTY:
tn->him[option] = CURL_NO;
break;
case CURL_OPPOSITE:
tn->him[option] = CURL_WANTYES;
tn->himq[option] = CURL_EMPTY;
@ -475,7 +463,7 @@ void rec_wont(struct connectdata *conn, int option)
break;
}
break;
case CURL_WANTYES:
switch(tn->himq[option])
{
@ -490,7 +478,7 @@ void rec_wont(struct connectdata *conn, int option)
break;
}
}
static void
set_local_option(struct connectdata *conn, int option, int newstate)
{
@ -503,11 +491,11 @@ set_local_option(struct connectdata *conn, int option, int newstate)
tn->us[option] = CURL_WANTYES;
send_negotiation(conn, CURL_WILL, option);
break;
case CURL_YES:
/* Already enabled */
break;
case CURL_WANTNO:
switch(tn->usq[option])
{
@ -520,7 +508,7 @@ set_local_option(struct connectdata *conn, int option, int newstate)
break;
}
break;
case CURL_WANTYES:
switch(tn->usq[option])
{
@ -541,12 +529,12 @@ set_local_option(struct connectdata *conn, int option, int newstate)
case CURL_NO:
/* Already disabled */
break;
case CURL_YES:
tn->us[option] = CURL_WANTNO;
send_negotiation(conn, CURL_WONT, option);
break;
case CURL_WANTNO:
switch(tn->usq[option])
{
@ -558,7 +546,7 @@ set_local_option(struct connectdata *conn, int option, int newstate)
break;
}
break;
case CURL_WANTYES:
switch(tn->usq[option])
{
@ -590,11 +578,11 @@ void rec_do(struct connectdata *conn, int option)
send_negotiation(conn, CURL_WONT, option);
}
break;
case CURL_YES:
/* Already enabled */
break;
case CURL_WANTNO:
switch(tn->usq[option])
{
@ -609,7 +597,7 @@ void rec_do(struct connectdata *conn, int option)
break;
}
break;
case CURL_WANTYES:
switch(tn->usq[option])
{
@ -626,7 +614,7 @@ void rec_do(struct connectdata *conn, int option)
}
}
static
static
void rec_dont(struct connectdata *conn, int option)
{
struct TELNET *tn = (struct TELNET *)conn->proto.telnet;
@ -635,19 +623,19 @@ void rec_dont(struct connectdata *conn, int option)
case CURL_NO:
/* Already disabled */
break;
case CURL_YES:
tn->us[option] = CURL_NO;
send_negotiation(conn, CURL_WONT, option);
break;
case CURL_WANTNO:
switch(tn->usq[option])
{
case CURL_EMPTY:
tn->us[option] = CURL_NO;
break;
case CURL_OPPOSITE:
tn->us[option] = CURL_WANTYES;
tn->usq[option] = CURL_EMPTY;
@ -655,7 +643,7 @@ void rec_dont(struct connectdata *conn, int option)
break;
}
break;
case CURL_WANTYES:
switch(tn->usq[option])
{
@ -746,7 +734,7 @@ static void printsub(struct SessionHandle *data,
Curl_infof(data, " NAME");
break;
}
switch(pointer[0]) {
case CURL_TELOPT_TTYPE:
case CURL_TELOPT_XDISPLOC:
@ -776,7 +764,7 @@ static void printsub(struct SessionHandle *data,
Curl_infof(data, " %.2x", pointer[i]);
break;
}
if (direction)
{
Curl_infof(data, "\n");
@ -986,21 +974,21 @@ void telrcv(struct connectdata *conn,
rec_will(conn, c);
tn->telrcv_state = CURL_TS_DATA;
continue;
case CURL_TS_WONT:
printoption(data, "RCVD", CURL_WONT, c);
tn->please_negotiate = 1;
rec_wont(conn, c);
tn->telrcv_state = CURL_TS_DATA;
continue;
case CURL_TS_DO:
printoption(data, "RCVD", CURL_DO, c);
tn->please_negotiate = 1;
rec_do(conn, c);
tn->telrcv_state = CURL_TS_DATA;
continue;
case CURL_TS_DONT:
printoption(data, "RCVD", CURL_DONT, c);
tn->please_negotiate = 1;
@ -1040,7 +1028,7 @@ void telrcv(struct connectdata *conn,
CURL_SB_ACCUM(tn, c);
tn->subpointer -= 2;
CURL_SB_TERM(tn);
printoption(data, "In SUBOPTION processing, RCVD", CURL_IAC, c);
suboption(conn); /* handle sub-option */
tn->telrcv_state = CURL_TS_IAC;
@ -1090,7 +1078,7 @@ CURLcode Curl_telnet(struct connectdata *conn)
WSAEVENT event_handle;
WSANETWORKEVENTS events;
HANDLE stdin_handle;
HANDLE objs[2];
HANDLE objs[2];
DWORD obj_count;
DWORD wait_timeout;
DWORD waitret;
@ -1099,7 +1087,7 @@ CURLcode Curl_telnet(struct connectdata *conn)
fd_set readfd;
fd_set keepfd;
#endif
ssize_t nread;
ssize_t nread;
bool keepon = TRUE;
char *buf = data->state.buffer;
struct TELNET *tn;
@ -1193,19 +1181,19 @@ CURLcode Curl_telnet(struct connectdata *conn)
FreeLibrary(wsock2);
return 0;
}
/* If stdin_handle is a pipe, use PeekNamedPipe() method to check it,
else use the old WaitForMultipleObjects() way */
/* If stdin_handle is a pipe, use PeekNamedPipe() method to check it,
else use the old WaitForMultipleObjects() way */
if(GetFileType(stdin_handle) == FILE_TYPE_PIPE) {
/* Don't wait for stdin_handle, just wait for event_handle */
obj_count = 1;
obj_count = 1;
/* Check stdin_handle per 100 milliseconds */
wait_timeout = 100;
wait_timeout = 100;
} else {
obj_count = 2;
wait_timeout = INFINITE;
}
/* Keep on listening and act on events */
while(keepon) {
waitret = WaitForMultipleObjects(obj_count, objs, FALSE, wait_timeout);
@ -1222,67 +1210,67 @@ CURLcode Curl_telnet(struct connectdata *conn)
keepon = FALSE;
break;
}
if(!nread)
break;
if(!ReadFile(stdin_handle, buf, sizeof(data->state.buffer),
&readfile_read, NULL)) {
keepon = FALSE;
break;
}
nread = readfile_read;
while(nread--) {
outbuf[0] = *buffer++;
out_count = 1;
if(outbuf[0] == CURL_IAC)
outbuf[out_count++] = CURL_IAC;
Curl_write(conn, conn->sock[FIRSTSOCKET], outbuf,
out_count, &bytes_written);
}
}
}
}
break;
case WAIT_OBJECT_0 + 1:
{
unsigned char outbuf[2];
int out_count = 0;
ssize_t bytes_written;
char *buffer = buf;
if(!ReadFile(stdin_handle, buf, sizeof(data->state.buffer),
&readfile_read, NULL)) {
keepon = FALSE;
break;
}
nread = readfile_read;
while(nread--) {
outbuf[0] = *buffer++;
out_count = 1;
if(outbuf[0] == CURL_IAC)
outbuf[out_count++] = CURL_IAC;
Curl_write(conn, conn->sock[FIRSTSOCKET], outbuf,
out_count, &bytes_written);
}
}
break;
case WAIT_OBJECT_0:
if(enum_netevents_func(sockfd, event_handle, &events)
!= SOCKET_ERROR) {
if(events.lNetworkEvents & FD_READ) {
/* This reallu OUGHT to check its return code. */
(void)Curl_read(conn, sockfd, buf, BUFSIZE - 1, &nread);
telrcv(conn, (unsigned char *)buf, nread);
fflush(stdout);
/* Negotiate if the peer has started negotiating,
otherwise don't. We don't want to speak telnet with
non-telnet servers, like POP or SMTP. */
@ -1291,7 +1279,7 @@ CURLcode Curl_telnet(struct connectdata *conn)
tn->already_negotiated = 1;
}
}
if(events.lNetworkEvents & FD_CLOSE) {
keepon = FALSE;
}
@ -1340,7 +1328,7 @@ CURLcode Curl_telnet(struct connectdata *conn)
int out_count = 0;
ssize_t bytes_written;
char *buffer = buf;
nread = read(0, buf, 255);
while(nread--) {
@ -1348,7 +1336,7 @@ CURLcode Curl_telnet(struct connectdata *conn)
out_count = 1;
if(outbuf[0] == CURL_IAC)
outbuf[out_count++] = CURL_IAC;
Curl_write(conn, conn->sock[FIRSTSOCKET], outbuf,
out_count, &bytes_written);
}

7
lib/transfer.c
View File

@ -870,13 +870,6 @@ CURLcode Curl_readwrite(struct connectdata *conn,
return CURLE_OUT_OF_MEMORY;
}
}
#if 0 /* for consideration */
else {
/* This is a Location: but we have not been instructed to
follow it */
infof(data, "We ignore this location header as instructed\n");
}
#endif
}
#endif /* CURL_DISABLE_HTTP */

68
lib/url.c
View File

@ -273,13 +273,11 @@ CURLcode Curl_open(struct SessionHandle **curl)
CURLcode res = CURLE_OK;
struct SessionHandle *data;
/* Very simple start-up: alloc the struct, init it with zeroes and return */
data = (struct SessionHandle *)malloc(sizeof(struct SessionHandle));
data = (struct SessionHandle *)calloc(1, sizeof(struct SessionHandle));
if(!data)
/* this is a very serious error */
return CURLE_OUT_OF_MEMORY;
memset(data, 0, sizeof(struct SessionHandle));
#ifdef USE_ARES
if(ARES_SUCCESS != ares_init(&data->state.areschannel)) {
free(data);
@ -1859,7 +1857,6 @@ static int handleSock5Proxy(const char *proxy_name,
socksreq[3] = 1; /* IPv4 = 1 */
{
#ifndef ENABLE_IPV6
struct Curl_dns_entry *dns;
Curl_addrinfo *hp=NULL;
int rc = Curl_resolv(conn, conn->host.name, conn->remote_port, &dns);
@ -1877,24 +1874,28 @@ static int handleSock5Proxy(const char *proxy_name,
*/
if(dns)
hp=dns->addr;
if (hp && hp->h_addr_list[0]) {
socksreq[4] = ((char*)hp->h_addr_list[0])[0];
socksreq[5] = ((char*)hp->h_addr_list[0])[1];
socksreq[6] = ((char*)hp->h_addr_list[0])[2];
socksreq[7] = ((char*)hp->h_addr_list[0])[3];
if (hp) {
char buf[64];
unsigned short ip[4];
Curl_printable_address(hp, buf, sizeof(buf));
if(4 == sscanf( buf, "%hu.%hu.%hu.%hu",
&ip[0], &ip[1], &ip[2], &ip[3])) {
socksreq[4] = ip[0];
socksreq[5] = ip[1];
socksreq[6] = ip[2];
socksreq[7] = ip[3];
}
else
hp = NULL; /* fail! */
Curl_resolv_unlock(conn->data, dns); /* not used anymore from now on */
}
else {
if(!hp) {
failf(conn->data, "Failed to resolve \"%s\" for SOCKS5 connect.",
conn->host.name);
return 1;
}
#else
failf(conn->data,
"%s:%d has an internal error and needs to be fixed to work",
__FILE__, __LINE__);
#endif
}
*((unsigned short*)&socksreq[8]) = htons(conn->remote_port);
@ -1939,7 +1940,7 @@ static CURLcode ConnectPlease(struct connectdata *conn,
bool *connected)
{
CURLcode result;
Curl_ipconnect *addr;
Curl_addrinfo *addr;
struct SessionHandle *data = conn->data;
char *hostname = data->change.proxy?conn->proxy.name:conn->host.name;
@ -1951,25 +1952,13 @@ static CURLcode ConnectPlease(struct connectdata *conn,
*************************************************************/
result= Curl_connecthost(conn,
hostaddr,
conn->port,
&conn->sock[FIRSTSOCKET],
&addr,
connected);
if(CURLE_OK == result) {
/* All is cool, then we store the current information from the hostaddr
struct to the serv_addr, as it might be needed later. The address
returned from the function above is crucial here. */
conn->connect_addr = hostaddr;
#ifdef ENABLE_IPV6
conn->serv_addr = addr;
#else
memset((char *) &conn->serv_addr, '\0', sizeof(conn->serv_addr));
memcpy((char *)&(conn->serv_addr.sin_addr),
(struct in_addr *)addr, sizeof(struct in_addr));
conn->serv_addr.sin_family = hostaddr->addr->h_addrtype;
conn->serv_addr.sin_port = htons((unsigned short)conn->port);
#endif
/* All is cool, then we store the current information */
conn->dns_entry = hostaddr;
conn->ip_addr = addr;
if (conn->data->set.proxytype == CURLPROXY_SOCKS5) {
return handleSock5Proxy(conn->proxyuser,
@ -1995,15 +1984,10 @@ static CURLcode ConnectPlease(struct connectdata *conn,
static void verboseconnect(struct connectdata *conn)
{
struct SessionHandle *data = conn->data;
char addrbuf[256] = "";
#ifdef ENABLE_IPV6
const Curl_ipconnect *addr = conn->serv_addr;
#else
const Curl_ipconnect *addr = &conn->serv_addr.sin_addr;
#endif
char addrbuf[256];
/* Get a printable version of the network address. */
Curl_printable_address(addr, addrbuf, sizeof(addrbuf));
Curl_printable_address(conn->ip_addr, addrbuf, sizeof(addrbuf));
infof(data, "Connected to %s (%s) port %d\n",
conn->bits.httpproxy ? conn->proxy.dispname : conn->host.dispname,
addrbuf[0] ? addrbuf : "??", conn->port);
@ -3221,8 +3205,8 @@ static CURLcode CreateConnection(struct SessionHandle *data,
if(conn->bits.reuse) {
/* re-used connection, no resolving is necessary */
hostaddr = NULL;
conn->connect_addr = NULL; /* we don't connect now so we don't have any
fresh connect_addr struct to point to */
conn->dns_entry = NULL; /* we don't connect now so we don't have any fresh
dns entry struct to point to */
}
else {
/* this is a fresh connect */
@ -3476,8 +3460,8 @@ CURLcode Curl_done(struct connectdata **connp,
conn->newurl = NULL;
}
if(conn->connect_addr)
Curl_resolv_unlock(conn->data, conn->connect_addr); /* done with this */
if(conn->dns_entry)
Curl_resolv_unlock(conn->data, conn->dns_entry); /* done with this */
#if defined(CURLDEBUG) && defined(AGGRESIVE_TEST)
/* scan for DNS cache entries still marked as in use */

12
lib/urldata.h
View File

@ -446,13 +446,9 @@ struct connectdata {
#define PROT_SSL (1<<10) /* protocol requires SSL */
/* the particular host we use, in two different ways */
struct Curl_dns_entry *connect_addr;
struct Curl_dns_entry *dns_entry;
Curl_addrinfo *ip_addr; /* the particular IP we connected to */
#ifdef ENABLE_IPV6
struct addrinfo *serv_addr;
#else
struct sockaddr_in serv_addr;
#endif
char protostr[16]; /* store the protocol string in this buffer */
struct hostname host;
@ -574,10 +570,6 @@ struct connectdata {
struct FTP *ftp;
struct FILEPROTO *file;
void *telnet; /* private for telnet.c-eyes only */
#if 0 /* no need for special ones for these: */
struct LDAP *ldap;
struct DICT *dict;
#endif
void *generic;
} proto;