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curl: prevent binary output spewed to terminal

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... unless "--output -" is used. Binary detection is done by simply
checking for a binary zero in early data.

Added test 1425 1426 to verify.

Closes #1512
This commit is contained in:
Daniel Stenberg 2017-06-16 11:30:36 +02:00
parent ce2cc568f8
commit 5385450afd
10 changed files with 47 additions and 17 deletions
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9
src/tool_cfgable.h
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@ -27,6 +27,12 @@
#include "tool_metalink.h"
typedef enum {
ERR_NONE,
ERR_BINARY_TERMINAL = 1, /* binary to terminal detected */
ERR_LAST
} curl_error;
struct GlobalConfig;
struct OperationConfig {
@ -141,6 +147,7 @@ struct OperationConfig {
bool insecure_ok; /* set TRUE to allow insecure SSL connects */
bool proxy_insecure_ok; /* set TRUE to allow insecure SSL connects
for proxy */
bool terminal_binary_ok;
bool verifystatus;
bool create_dirs;
bool ftp_create_dirs;
@ -236,6 +243,8 @@ struct OperationConfig {
double expect100timeout;
bool suppress_connect_headers; /* suppress proxy CONNECT response headers
from user callbacks */
curl_error synthetic_error; /* if non-zero, it overrides any libcurl
error */
struct GlobalConfig *global;
struct OperationConfig *prev;
struct OperationConfig *next; /* Always last in the struct */