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verbose PASV transfers passed a bad buffer size to the name resolver functions

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and it cause cause a crash.

Albert Choy found and fixed it.
This commit is contained in:
Daniel Stenberg 2002-03-16 16:59:47 +00:00
parent f73864a045
commit 5c691ed835
1 changed files with 2 additions and 2 deletions
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4
lib/ftp.c
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@ -914,7 +914,7 @@ ftp_pasv_verbose(struct connectdata *conn,
answer = gethostbyaddr_r((char *) &address, sizeof(address), AF_INET, answer = gethostbyaddr_r((char *) &address, sizeof(address), AF_INET,
(struct hostent *)bigbuf, (struct hostent *)bigbuf,
hostent_buf + sizeof(*answer), hostent_buf + sizeof(*answer),
sizeof(hostent_buf) - sizeof(*answer), sizeof(bigbuf) - sizeof(*answer),
&h_errnop); &h_errnop);
# endif # endif
# ifdef HAVE_GETHOSTBYADDR_R_8 # ifdef HAVE_GETHOSTBYADDR_R_8
@ -922,7 +922,7 @@ ftp_pasv_verbose(struct connectdata *conn,
if(gethostbyaddr_r((char *) &address, sizeof(address), AF_INET, if(gethostbyaddr_r((char *) &address, sizeof(address), AF_INET,
(struct hostent *)hostent_buf, (struct hostent *)hostent_buf,
hostent_buf + sizeof(*answer), hostent_buf + sizeof(*answer),
sizeof(hostent_buf) - sizeof(*answer), sizeof(bigbuf) - sizeof(*answer),
&answer, &answer,
&h_errnop)) &h_errnop))
answer=NULL; /* error */ answer=NULL; /* error */