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Diffstat (limited to 'lib')
-rw-r--r--lib/ftp.c138
1 files changed, 83 insertions, 55 deletions
diff --git a/lib/ftp.c b/lib/ftp.c
index 425b60cce..eb3f58453 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -218,7 +218,8 @@ static CURLcode AllowServerConnect(struct UrlData *data,
isdigit((int)line[2]) && (' ' == line[3]))
int GetLastResponse(int sockfd, char *buf,
- struct connectdata *conn)
+ struct connectdata *conn,
+ int *ftpcode)
{
int nread;
int keepon=TRUE;
@@ -234,6 +235,8 @@ int GetLastResponse(int sockfd, char *buf,
#define SELECT_TIMEOUT 2
int error = SELECT_OK;
+ *ftpcode=0; /* 0 for errors */
+
if(data->timeout) {
/* if timeout is requested, find out how much remaining time we have */
timeout = data->timeout - /* timeout time */
@@ -318,6 +321,8 @@ int GetLastResponse(int sockfd, char *buf,
if(error)
return -error;
+ *ftpcode=atoi(buf); /* return the initial number like this */
+
return nread;
}
@@ -395,6 +400,7 @@ CURLcode ftp_connect(struct connectdata *conn)
char *buf = data->buffer; /* this is our buffer */
struct FTP *ftp;
CURLcode result;
+ int ftpcode;
myalarm(0); /* switch off the alarm stuff */
@@ -419,10 +425,11 @@ CURLcode ftp_connect(struct connectdata *conn)
}
/* The first thing we do is wait for the "220*" line: */
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(strncmp(buf, "220", 3)) {
+
+ if(ftpcode != 220) {
failf(data, "This doesn't seem like a nice ftp-server response");
return CURLE_FTP_WEIRD_SERVER_REPLY;
}
@@ -451,31 +458,31 @@ CURLcode ftp_connect(struct connectdata *conn)
ftpsendf(data->firstsocket, conn, "USER %s", ftp->user);
/* wait for feedback */
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(!strncmp(buf, "530", 3)) {
+ if(ftpcode == 530) {
/* 530 User ... access denied
(the server denies to log the specified user) */
failf(data, "Access denied: %s", &buf[4]);
return CURLE_FTP_ACCESS_DENIED;
}
- else if(!strncmp(buf, "331", 3)) {
+ else if(ftpcode == 331) {
/* 331 Password required for ...
(the server requires to send the user's password too) */
ftpsendf(data->firstsocket, conn, "PASS %s", ftp->passwd);
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(!strncmp(buf, "530", 3)) {
+ if(ftpcode == 530) {
/* 530 Login incorrect.
(the username and/or the password are incorrect) */
failf(data, "the username and/or the password are incorrect");
return CURLE_FTP_USER_PASSWORD_INCORRECT;
}
- else if(!strncmp(buf, "230", 3)) {
+ else if(ftpcode == 230) {
/* 230 User ... logged in.
(user successfully logged in) */
@@ -486,7 +493,7 @@ CURLcode ftp_connect(struct connectdata *conn)
return CURLE_FTP_WEIRD_PASS_REPLY;
}
}
- else if(/*! strncmp(buf, "230", 3)***/ buf[0] == '2') {
+ else if(buf[0] == '2') {
/* 230 User ... logged in.
(the user logged in without password) */
infof(data, "We have successfully logged in\n");
@@ -521,6 +528,7 @@ CURLcode ftp_done(struct connectdata *conn)
size_t nread;
char *buf = data->buffer; /* this is our buffer */
struct curl_slist *qitem; /* QUOTE item */
+ int ftpcode;
if(data->bits.upload) {
if((-1 != data->infilesize) && (data->infilesize != *ftp->bytecountp)) {
@@ -550,12 +558,12 @@ CURLcode ftp_done(struct connectdata *conn)
if(!data->bits.no_body) {
/* now let's see what the server says about the transfer we
just performed: */
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
/* 226 Transfer complete, 250 Requested file action okay, completed. */
- if(!strncmp(buf, "226", 3) && !strncmp(buf, "250", 3)) {
+ if((ftpcode != 226) && (ftpcode != 250)) {
failf(data, "%s", buf+4);
return CURLE_FTP_WRITE_ERROR;
}
@@ -570,7 +578,7 @@ CURLcode ftp_done(struct connectdata *conn)
if (qitem->data) {
ftpsendf(data->firstsocket, conn, "%s", qitem->data);
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
@@ -613,6 +621,7 @@ CURLcode _ftp(struct connectdata *conn)
struct FTP *ftp = data->proto.ftp;
long *bytecountp = ftp->bytecountp;
+ int ftpcode; /* for ftp status */
/* Send any QUOTE strings? */
if(data->quote) {
@@ -623,7 +632,7 @@ CURLcode _ftp(struct connectdata *conn)
if (qitem->data) {
ftpsendf(data->firstsocket, conn, "%s", qitem->data);
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
@@ -640,16 +649,45 @@ CURLcode _ftp(struct connectdata *conn)
/* change directory first! */
if(ftp->dir && ftp->dir[0]) {
ftpsendf(data->firstsocket, conn, "CWD %s", ftp->dir);
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(strncmp(buf, "250", 3)) {
+ if(ftpcode != 250) {
failf(data, "Couldn't change to directory %s", ftp->dir);
return CURLE_FTP_ACCESS_DENIED;
}
}
+ if(data->bits.get_filetime) {
+ /* we have requested to get the modified-time of the file, this is yet
+ again a grey area the MDTM is not kosher RFC959 */
+ ftpsendf(data->firstsocket, conn, "MDTM %s", ftp->file);
+
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
+ if(nread < 0)
+ return CURLE_OPERATION_TIMEOUTED;
+
+ if(ftpcode == 213) {
+ /* we got a time. Format should be: "YYYYMMDDHHMMSS[.sss]" where the
+ last .sss part is optional and means fractions of a second */
+ int year, month, day, hour, minute, second;
+ if(6 == sscanf(buf+4, "%04d%02d%02d%02d%02d%02d",
+ &year, &month, &day, &hour, &minute, &second)) {
+ /* we have a time, reformat it */
+ time_t secs=time(NULL);
+ sprintf(buf, "%04d%02d%02d %02d:%02d:%02d",
+ year, month, day, hour, minute, second);
+ /* now, convert this into a time() value: */
+ data->progress.filetime = curl_getdate(buf, &secs);
+ }
+ else {
+ infof(data, "unsupported MDTM reply format\n");
+ }
+ }
+
+ }
+
/* If we have selected NOBODY, it means that we only want file information.
Which in FTP can't be much more than the file size! */
if(data->bits.no_body) {
@@ -663,11 +701,11 @@ CURLcode _ftp(struct connectdata *conn)
ftpsendf(data->firstsocket, conn, "TYPE %s",
(data->bits.ftp_ascii)?"A":"I");
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(strncmp(buf, "200", 3)) {
+ if(ftpcode != 200) {
failf(data, "Couldn't set %s mode",
(data->bits.ftp_ascii)?"ASCII":"binary");
return (data->bits.ftp_ascii)? CURLE_FTP_COULDNT_SET_ASCII:
@@ -676,11 +714,11 @@ CURLcode _ftp(struct connectdata *conn)
ftpsendf(data->firstsocket, conn, "SIZE %s", ftp->file);
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(strncmp(buf, "213", 3)) {
+ if(ftpcode != 213) {
failf(data, "Couldn't get file size: %s", buf+4);
return CURLE_FTP_COULDNT_GET_SIZE;
}
@@ -688,19 +726,9 @@ CURLcode _ftp(struct connectdata *conn)
filesize = atoi(buf+4);
sprintf(buf, "Content-Length: %d\n", filesize);
-
- if(strlen(buf) != data->fwrite(buf, 1, strlen(buf), data->out)) {
- failf (data, "Failed writing output");
- return CURLE_WRITE_ERROR;
- }
- if(data->writeheader) {
- /* the header is requested to be written to this file */
- if(strlen(buf) != data->fwrite (buf, 1, strlen(buf),
- data->writeheader)) {
- failf (data, "Failed writing output");
- return CURLE_WRITE_ERROR;
- }
- }
+ result = client_write(data, CLIENTWRITE_BOTH, buf, 0);
+ if(result)
+ return result;
return CURLE_OK;
}
@@ -797,11 +825,11 @@ CURLcode _ftp(struct connectdata *conn)
porttouse & 255);
}
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(strncmp(buf, "200", 3)) {
+ if(ftpcode != 200) {
failf(data, "Server does not grok PORT, try without it!");
return CURLE_FTP_PORT_FAILED;
}
@@ -810,11 +838,11 @@ CURLcode _ftp(struct connectdata *conn)
ftpsendf(data->firstsocket, conn, "PASV");
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(strncmp(buf, "227", 3)) {
+ if(ftpcode != 227) {
failf(data, "Odd return code after PASV");
return CURLE_FTP_WEIRD_PASV_REPLY;
}
@@ -985,11 +1013,11 @@ CURLcode _ftp(struct connectdata *conn)
ftpsendf(data->firstsocket, conn, "TYPE %s",
(data->bits.ftp_ascii)?"A":"I");
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(strncmp(buf, "200", 3)) {
+ if(ftpcode != 200) {
failf(data, "Couldn't set %s mode",
(data->bits.ftp_ascii)?"ASCII":"binary");
return (data->bits.ftp_ascii)? CURLE_FTP_COULDNT_SET_ASCII:
@@ -1016,11 +1044,11 @@ CURLcode _ftp(struct connectdata *conn)
ftpsendf(data->firstsocket, conn, "SIZE %s", ftp->file);
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(strncmp(buf, "213", 3)) {
+ if(ftpcode != 213) {
failf(data, "Couldn't get file size: %s", buf+4);
return CURLE_FTP_COULDNT_GET_SIZE;
}
@@ -1039,11 +1067,11 @@ CURLcode _ftp(struct connectdata *conn)
ftpsendf(data->firstsocket, conn, "REST %d", data->resume_from);
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(strncmp(buf, "350", 3)) {
+ if(ftpcode != 350) {
failf(data, "Couldn't use REST: %s", buf+4);
return CURLE_FTP_COULDNT_USE_REST;
}
@@ -1093,11 +1121,11 @@ CURLcode _ftp(struct connectdata *conn)
else
ftpsendf(data->firstsocket, conn, "STOR %s", ftp->file);
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(atoi(buf)>=400) {
+ if(ftpcode>=400) {
failf(data, "Failed FTP upload:%s", buf+3);
/* oops, we never close the sockets! */
return CURLE_FTP_COULDNT_STOR_FILE;
@@ -1179,11 +1207,11 @@ CURLcode _ftp(struct connectdata *conn)
/* Set type to ASCII */
ftpsendf(data->firstsocket, conn, "TYPE A");
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(strncmp(buf, "200", 3)) {
+ if(ftpcode != 200) {
failf(data, "Couldn't set ascii mode");
return CURLE_FTP_COULDNT_SET_ASCII;
}
@@ -1201,11 +1229,11 @@ CURLcode _ftp(struct connectdata *conn)
ftpsendf(data->firstsocket, conn, "TYPE %s",
(data->bits.ftp_ascii)?"A":"I");
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(strncmp(buf, "200", 3)) {
+ if(ftpcode != 200) {
failf(data, "Couldn't set %s mode",
(data->bits.ftp_ascii)?"ASCII":"binary");
return (data->bits.ftp_ascii)? CURLE_FTP_COULDNT_SET_ASCII:
@@ -1222,11 +1250,11 @@ CURLcode _ftp(struct connectdata *conn)
ftpsendf(data->firstsocket, conn, "SIZE %s", ftp->file);
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(strncmp(buf, "213", 3)) {
+ if(ftpcode != 213) {
infof(data, "server doesn't support SIZE: %s", buf+4);
/* We couldn't get the size and therefore we can't know if there
really is a part of the file left to get, although the server
@@ -1266,11 +1294,11 @@ CURLcode _ftp(struct connectdata *conn)
ftpsendf(data->firstsocket, conn, "REST %d", data->resume_from);
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(strncmp(buf, "350", 3)) {
+ if(ftpcode != 350) {
failf(data, "Couldn't use REST: %s", buf+4);
return CURLE_FTP_COULDNT_USE_REST;
}
@@ -1279,11 +1307,11 @@ CURLcode _ftp(struct connectdata *conn)
ftpsendf(data->firstsocket, conn, "RETR %s", ftp->file);
}
- nread = GetLastResponse(data->firstsocket, buf, conn);
+ nread = GetLastResponse(data->firstsocket, buf, conn, &ftpcode);
if(nread < 0)
return CURLE_OPERATION_TIMEOUTED;
- if(!strncmp(buf, "150", 3) || !strncmp(buf, "125", 3)) {
+ if((ftpcode == 150) || (ftpcode == 125)) {
/*
A;
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 06:33:01 +0000