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extended the gname field one byte to avoid a possible overflow

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added lots of explaining comments
This commit is contained in:
Daniel Stenberg 2001-01-24 12:10:10 +00:00
parent b3dbdfa306
commit 3d96ee7423
1 changed files with 27 additions and 16 deletions
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43
lib/urldata.h
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@ -82,8 +82,8 @@
/* Download buffer size, keep it fairly big for speed reasons */
#define BUFSIZE (1024*50)
/* Upload buffer size, keep it smallish to get faster progress meter
updates. This should probably become dynamic and adjust to the upload
/* Defaul upload buffer size, keep it smallish to get faster progress meter
updates. This is just default, it is dynamic and adjusts to the upload
speed. */
#define UPLOAD_BUFSIZE (1024*2)
@ -91,10 +91,14 @@
of need. */
#define HEADERSIZE 256
/* Just a convenience macro to get the larger value out of two given */
#ifndef MAX
#define MAX(x,y) ((x)>(y)?(x):(y))
#endif
/* Type of handle. All publicly returned 'handles' in the curl interface
have a handle first in the struct that describes what kind of handle it
is. Used to detect bad handle usage. */
typedef enum {
STRUCT_NONE,
STRUCT_OPEN,
@ -102,6 +106,8 @@ typedef enum {
STRUCT_LAST
} Handle;
/* Connecting to a remote server using the curl interface is moving through
a state machine, this type is used to store the current state */
typedef enum {
CONN_NONE, /* illegal state */
CONN_INIT, /* curl_connect() has been called */
@ -112,6 +118,7 @@ typedef enum {
} ConnState;
#ifdef KRB4
/* Types needed for krb4-ftp connections */
struct krb4buffer {
void *data;
size_t size;
@ -155,13 +162,13 @@ struct connectdata {
char *hostent_buf; /* pointer to allocated memory for name info */
struct hostent *hp;
struct sockaddr_in serv_addr;
char proto[64];
char gname[256];
char *name;
char *path; /* formerly staticly this size: URL_MAX_LENGTH */
char proto[64]; /* store the protocol string in this buffer */
char gname[257]; /* store the hostname in this buffer */
char *name; /* host name pointer to fool around with */
char *path; /* formerly staticly this size: URL_MAX_LENGTH */
char *ppath;
long bytecount;
struct timeval now;
struct timeval now; /* current time */
long upload_bufsize; /* adjust as you see fit, never bigger than BUFSIZE
never smaller than UPLOAD_BUFSIZE */
@ -248,9 +255,9 @@ struct Progress {
struct HTTP {
struct FormData *sendit;
int postsize;
char *p_pragma;
char *p_accept;
long readbytecount;
char *p_pragma; /* Pragma: string */
char *p_accept; /* Accept: string */
long readbytecount;
long writebytecount;
/* For FORM posting */
@ -264,13 +271,15 @@ struct HTTP {
***************************************************************************/
struct FTP {
long *bytecountp;
char *user;
char *passwd;
char *user; /* user name string */
char *passwd; /* password string */
char *urlpath; /* the originally given path part of the URL */
char *dir; /* decoded directory */
char *file; /* decoded file */
};
/* This struct is for boolean settings that define how to behave during
this session. */
struct Configbits {
bool get_filetime;
bool tunnel_thru_httpproxy;
@ -313,6 +322,7 @@ typedef enum {
CURLI_LAST
} CurlInterface;
/* struct for data related to SSL and SSL connections */
struct ssldata {
bool use; /* use ssl encrypted communications TRUE/FALSE */
long version; /* what version the client wants to use */
@ -468,8 +478,8 @@ struct UrlData {
struct curl_slist *quote; /* before the transfer */
struct curl_slist *postquote; /* after the transfer */
TimeCond timecondition;
time_t timevalue;
TimeCond timecondition; /* kind of comparison */
time_t timevalue; /* what time to compare with */
char *customrequest; /* http/ftp request to use */
@ -482,7 +492,7 @@ struct UrlData {
completion */
#endif
struct Progress progress;
struct Progress progress; /* for all the progress meter data */
#define MAX_CURL_USER_LENGTH 128
#define MAX_CURL_PASSWORD_LENGTH 128
@ -492,6 +502,7 @@ struct UrlData {
* host (which location-following otherwise could lead to)
*/
/* buffers to store authentication data in */
char user[MAX_CURL_USER_LENGTH];
char passwd[MAX_CURL_PASSWORD_LENGTH];
char proxyuser[MAX_CURL_USER_LENGTH];
@ -506,7 +517,7 @@ struct UrlData {
char *ptr_cookie; /* free later if not NULL! */
char *ptr_host; /* free later if not NULL */
char *krb4_level;
char *krb4_level; /* what security level */
#ifdef KRB4
FILE *cmdchannel;
#endif