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ftp-gss: check for init before use

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To avoid dereferencing a NULL pointer.

Reported-by: Daniel Romero
This commit is contained in:
Daniel Stenberg 2016-12-23 00:06:25 +01:00
parent 57cad81091
commit 5fe164a258
1 changed files with 4 additions and 0 deletions
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4
lib/security.c
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@ -367,6 +367,10 @@ int Curl_sec_read_msg(struct connectdata *conn, char *buffer,
size_t decoded_sz = 0; size_t decoded_sz = 0;
CURLcode error; CURLcode error;
if(!conn->mech)
/* not inititalized, return error */
return -1;
DEBUGASSERT(level > PROT_NONE && level < PROT_LAST); DEBUGASSERT(level > PROT_NONE && level < PROT_LAST);
error = Curl_base64_decode(buffer + 4, (unsigned char **)&buf, &decoded_sz); error = Curl_base64_decode(buffer + 4, (unsigned char **)&buf, &decoded_sz);