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introducing IMAP, POP3 and SMTP support (still lots of polish left to do)

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This commit is contained in:
Daniel Stenberg
2009-12-12 21:54:01 +00:00
parent 463d2d395c
commit ec3bb8f727
23 changed files with 4531 additions and 753 deletions
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165
lib/urldata.h
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@@ -37,6 +37,12 @@
#define PORT_LDAPS 636
#define PORT_TFTP 69
#define PORT_SSH 22
#define PORT_IMAP 143
#define PORT_IMAPS 993
#define PORT_POP3 110
#define PORT_POP3S 995
#define PORT_SMTP 25
#define PORT_SMTPS 465 /* sometimes called SSMTP */
#define DICT_MATCH "/MATCH:"
#define DICT_MATCH2 "/M:"
@@ -51,6 +57,11 @@
/* length of longest IPv6 address string including the trailing null */
#define MAX_IPADR_LEN sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")
/* Default FTP/IMAP etc response timeout in milliseconds.
Symbian OS panics when given a timeout much greater than 1/2 hour.
*/
#define RESP_TIMEOUT (1800*1000)
#include "cookie.h"
#include "formdata.h"
@@ -129,6 +140,11 @@
#include "hash.h"
#include "splay.h"
#include "imap.h"
#include "pop3.h"
#include "smtp.h"
#include "ftp.h"
#ifdef HAVE_GSSAPI
# ifdef HAVE_GSSGNU
# include <gss.h>
@@ -351,121 +367,6 @@ struct HTTP {
points to an allocated send_buffer struct */
};
/****************************************************************************
* FTP unique setup
***************************************************************************/
typedef enum {
FTP_STOP, /* do nothing state, stops the state machine */
FTP_WAIT220, /* waiting for the initial 220 response immediately after
a connect */
FTP_AUTH,
FTP_USER,
FTP_PASS,
FTP_ACCT,
FTP_PBSZ,
FTP_PROT,
FTP_CCC,
FTP_PWD,
FTP_SYST,
FTP_NAMEFMT,
FTP_QUOTE, /* waiting for a response to a command sent in a quote list */
FTP_RETR_PREQUOTE,
FTP_STOR_PREQUOTE,
FTP_POSTQUOTE,
FTP_CWD, /* change dir */
FTP_MKD, /* if the dir didn't exist */
FTP_MDTM, /* to figure out the datestamp */
FTP_TYPE, /* to set type when doing a head-like request */
FTP_LIST_TYPE, /* set type when about to do a dir list */
FTP_RETR_TYPE, /* set type when about to RETR a file */
FTP_STOR_TYPE, /* set type when about to STOR a file */
FTP_SIZE, /* get the remote file's size for head-like request */
FTP_RETR_SIZE, /* get the remote file's size for RETR */
FTP_STOR_SIZE, /* get the size for (resumed) STOR */
FTP_REST, /* when used to check if the server supports it in head-like */
FTP_RETR_REST, /* when asking for "resume" in for RETR */
FTP_PORT, /* generic state for PORT, LPRT and EPRT, check count1 */
FTP_PASV, /* generic state for PASV and EPSV, check count1 */
FTP_LIST, /* generic state for LIST, NLST or a custom list command */
FTP_RETR,
FTP_STOR, /* generic state for STOR and APPE */
FTP_QUIT,
FTP_LAST /* never used */
} ftpstate;
typedef enum {
FTPFILE_MULTICWD = 1, /* as defined by RFC1738 */
FTPFILE_NOCWD = 2, /* use SIZE / RETR / STOR on the full path */
FTPFILE_SINGLECWD = 3 /* make one CWD, then SIZE / RETR / STOR on the file */
} curl_ftpfile;
typedef enum {
FTPTRANSFER_BODY, /* yes do transfer a body */
FTPTRANSFER_INFO, /* do still go through to get info/headers */
FTPTRANSFER_NONE, /* don't get anything and don't get info */
FTPTRANSFER_LAST /* end of list marker, never used */
} curl_ftptransfer;
/* This FTP struct is used in the SessionHandle. All FTP data that is
connection-oriented must be in FTP_conn to properly deal with the fact that
perhaps the SessionHandle is changed between the times the connection is
used. */
struct FTP {
curl_off_t *bytecountp;
char *user; /* user name string */
char *passwd; /* password string */
/* transfer a file/body or not, done as a typedefed enum just to make
debuggers display the full symbol and not just the numerical value */
curl_ftptransfer transfer;
curl_off_t downloadsize;
};
/* ftp_conn is used for struct connection-oriented data in the connectdata
struct */
struct ftp_conn {
char *entrypath; /* the PWD reply when we logged on */
char **dirs; /* realloc()ed array for path components */
int dirdepth; /* number of entries used in the 'dirs' array */
int diralloc; /* number of entries allocated for the 'dirs' array */
char *file; /* decoded file */
char *cache; /* data cache between getresponse()-calls */
curl_off_t cache_size; /* size of cache in bytes */
bool dont_check; /* Set to TRUE to prevent the final (post-transfer)
file size and 226/250 status check. It should still
read the line, just ignore the result. */
long response_time; /* When no timeout is given, this is the amount of
seconds we await for an FTP response. Initialized
in Curl_ftp_connect() */
bool ctl_valid; /* Tells Curl_ftp_quit() whether or not to do anything. If
the connection has timed out or been closed, this
should be FALSE when it gets to Curl_ftp_quit() */
bool cwddone; /* if it has been determined that the proper CWD combo
already has been done */
bool cwdfail; /* set TRUE if a CWD command fails, as then we must prevent
caching the current directory */
char *prevpath; /* conn->path from the previous transfer */
char transfertype; /* set by ftp_transfertype for use by Curl_client_write()a
and others (A/I or zero) */
size_t nread_resp; /* number of bytes currently read of a server response */
char *linestart_resp; /* line start pointer for the FTP server response
reader function */
bool pending_resp; /* set TRUE when a server response is pending or in
progress, and is cleared once the last response is
read */
int count1; /* general purpose counter for the state machine */
int count2; /* general purpose counter for the state machine */
int count3; /* general purpose counter for the state machine */
char *sendthis; /* allocated pointer to a buffer that is to be sent to the
ftp server */
size_t sendleft; /* number of bytes left to send from the sendthis buffer */
size_t sendsize; /* total size of the sendthis buffer */
struct timeval response; /* set to Curl_tvnow() when a command has been sent
off, used to time-out response reading */
ftpstate state; /* always use ftp.c:state() to change state! */
char * server_os; /* The target server operating system. */
};
/****************************************************************************
* SSH unique setup
@@ -922,18 +823,23 @@ struct connectdata {
#define PROT_TFTP CURLPROTO_TFTP
#define PROT_SCP CURLPROTO_SCP
#define PROT_SFTP CURLPROTO_SFTP
#define PROT_IMAP CURLPROTO_IMAP
#define PROT_IMAPS CURLPROTO_IMAPS
#define PROT_POP3 CURLPROTO_POP3
#define PROT_POP3S CURLPROTO_POP3S
#define PROT_SMTP CURLPROTO_SMTP
#define PROT_SMTPS CURLPROTO_SMTPS
/* CURLPROTO_TFTP (1<<11) is currently the highest used bit in the public
bitmask. We make sure we use "private bits" above the first 16 to make
things easier. */
/* (1<<17) is currently the highest used bit in the public bitmask. We make
sure we use "private bits" above the public ones to make things easier. */
#define PROT_EXTMASK 0xffff
#define PROT_EXTMASK 0xfffff
#define PROT_SSL (1<<22) /* protocol requires SSL */
#define PROT_MISSING (1<<23)
#define PROT_SSL (1<<25) /* protocol requires SSL */
#define PROT_MISSING (1<<26)
/* these ones need action before socket close */
#define PROT_CLOSEACTION (PROT_FTP | PROT_TFTP)
#define PROT_CLOSEACTION (PROT_FTP | PROT_TFTP | PROT_IMAP | PROT_POP3)
#define PROT_DUALCHANNEL PROT_FTP /* these protocols use two connections */
/* 'dns_entry' is the particular host we use. This points to an entry in the
@@ -1035,7 +941,7 @@ struct connectdata {
struct curl_llist *pend_pipe; /* List of pending handles on
this pipeline */
struct curl_llist *done_pipe; /* Handles that are finished, but
still reference this connectdata */
still reference this connectdata */
#define MAX_PIPELINE_LENGTH 5
char* master_buffer; /* The master buffer allocated on-demand;
@@ -1075,6 +981,9 @@ struct connectdata {
struct ftp_conn ftpc;
struct ssh_conn sshc;
struct tftp_state_data *tftpc;
struct imap_conn imapc;
struct pop3_conn pop3c;
struct smtp_conn smtpc;
} proto;
int cselect_bits; /* bitmask of socket events */
@@ -1331,6 +1240,9 @@ struct UrlState {
void *telnet; /* private for telnet.c-eyes only */
void *generic;
struct SSHPROTO *ssh;
struct FTP *imap;
struct FTP *pop3;
struct FTP *smtp;
} proto;
/* current user of this SessionHandle instance, or NULL */
struct connectdata *current_conn;
@@ -1412,6 +1324,8 @@ enum dupstring {
#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
STRING_SOCKS5_GSSAPI_SERVICE, /* GSSAPI service name */
#endif
STRING_MAIL_FROM,
STRING_MAIL_RCPT,
/* -- end of strings -- */
STRING_LAST /* not used, just an end-of-list marker */
@@ -1471,7 +1385,7 @@ struct UserDefined {
void *ioctl_client; /* pointer to pass to the ioctl callback */
long timeout; /* in milliseconds, 0 means no timeout */
long connecttimeout; /* in milliseconds, 0 means no timeout */
long ftp_response_timeout; /* in milliseconds, 0 means no timeout */
long server_response_timeout; /* in milliseconds, 0 means no timeout */
long tftp_blksize ; /* in bytes, 0 means use default */
curl_off_t infilesize; /* size of file to upload, -1 means unknown */
long low_speed_limit; /* bytes/second */
@@ -1555,7 +1469,8 @@ struct UserDefined {
bool ftp_use_epsv; /* if EPSV is to be attempted or not */
bool ftp_use_eprt; /* if EPRT is to be attempted or not */
curl_usessl ftp_ssl; /* if AUTH TLS is to be attempted etc */
curl_usessl ftp_ssl; /* if AUTH TLS is to be attempted etc, for FTP or
IMAP or POP3 or others! */
curl_ftpauth ftpsslauth; /* what AUTH XXX to be attempted */
curl_ftpccc ftp_ccc; /* FTP CCC options */
bool no_signal; /* do not use any signal/alarm handler */