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Add memory error checking to key exchange functions.

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git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@317 7dcaeef0-15fb-0310-b436-a5af3365683c
This commit is contained in:
Andreas Schneider
2009-04-01 10:49:27 +00:00
parent 10afd9818c
commit 79e9eb53d4
2 changed files with 65 additions and 12 deletions
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8
libssh/keyfiles.c
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@@ -848,6 +848,12 @@ static char **ssh_get_knownhost_line(SSH_SESSION *session,FILE **file, char *fil
if(!buffer[0] || buffer[0]=='#')
continue; /* skip empty lines */
tokens=space_tokenize(buffer);
if (tokens == NULL) {
fclose(*file);
*file = NULL;
leave_function();
return NULL;
}
if(!tokens[0] || !tokens[1] || !tokens[2]){
/* it should have at least 3 tokens */
tokens_free(tokens);
@@ -870,6 +876,8 @@ static char **ssh_get_knownhost_line(SSH_SESSION *session,FILE **file, char *fil
continue;
}
}
fclose(*file);
*file = NULL;
leave_function();
return tokens;
}