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Curl_rand: fixed and moved to rand.c

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Now Curl_rand() is made to fail if it cannot get the necessary random
level.

Changed the proto of Curl_rand() slightly to provide a number of ints at
once.

Moved out from vtls, since it isn't a TLS function and vtls provides
Curl_ssl_random() for this to use.

Discussion: https://curl.haxx.se/mail/lib-2016-11/0119.html
This commit is contained in:
Daniel Stenberg 2016-11-11 14:53:36 +01:00
parent 050aa80309
commit f682156a4f
10 changed files with 211 additions and 98 deletions
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9
lib/formdata.c
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@ -36,6 +36,7 @@
#include "strcase.h"
#include "sendf.h"
#include "strdup.h"
#include "rand.h"
/* The last 3 #include files should be in this order */
#include "curl_printf.h"
#include "curl_memory.h"
@ -1569,8 +1570,12 @@ static char *formboundary(struct Curl_easy *data)
{
/* 24 dashes and 16 hexadecimal digits makes 64 bit (18446744073709551615)
combinations */
return aprintf("------------------------%08x%08x",
Curl_rand(data), Curl_rand(data));
unsigned int rnd[2];
CURLcode result = Curl_rand(data, &rnd[0], 2);
if(result)
return NULL;
return aprintf("------------------------%08x%08x", rnd[0], rnd[1]);
}
#else /* CURL_DISABLE_HTTP */