curl/curl
1
1
Fork 0
mirror of https://github.com/curl/curl.git synced 2025-09-13 23:52:42 +03:00
Code Issues Packages Projects Releases Wiki Activity

setopt: use memdup0 when cloning COPYPOSTFIELDS

Browse Source 
Closes #12651
This commit is contained in:
Daniel Stenberg 2024-01-07 16:11:01 +01:00
parent 2959f45b7d
commit ac4dbc9cb5
No known key found for this signature in database
GPG Key ID: 5CC908FDB71E12C2
1 changed files with 7 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
lib/setopt.c
View File

@ -51,7 +51,7 @@
#include "altsvc.h"
#include "hsts.h"
#include "tftp.h"
#include "strdup.h"
/* The last 3 #include files should be in this order */
#include "curl_printf.h"
#include "curl_memory.h"
@ -508,26 +508,17 @@ CURLcode Curl_vsetopt(struct Curl_easy *data, CURLoption option, va_list param)
(data->set.postfieldsize > (curl_off_t)((size_t)-1))))
result = CURLE_OUT_OF_MEMORY;
else {
char *p;
(void) Curl_setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
/* Allocate even when size == 0. This satisfies the need of possible
later address compare to detect the COPYPOSTFIELDS mode, and
to mark that postfields is used rather than read function or
form data.
later address compare to detect the COPYPOSTFIELDS mode, and to
mark that postfields is used rather than read function or form
data.
*/
p = malloc((size_t)(data->set.postfieldsize?
data->set.postfieldsize:1));
char *p = Curl_memdup0(argptr, (size_t)data->set.postfieldsize);
(void) Curl_setstropt(&data->set.str[STRING_COPYPOSTFIELDS], NULL);
if(!p)
result = CURLE_OUT_OF_MEMORY;
else {
if(data->set.postfieldsize)
memcpy(p, argptr, (size_t)data->set.postfieldsize);
else
data->set.str[STRING_COPYPOSTFIELDS] = p;
}
}
}