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make about handler ssenddataf cope with longer data

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This commit is contained in:
Vincent Sanders 2020-05-16 23:23:40 +01:00
parent 7d59f09bea
commit 297448cfff
1 changed files with 24 additions and 2 deletions
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30
content/fetchers/about.c
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@ -132,6 +132,7 @@ fetch_about_send_header(struct fetch_about_context *ctx, const char *fmt, ...)
static nserror ssenddataf(struct fetch_about_context *ctx, const char *fmt, ...)
{
char buffer[1024];
char *dbuff;
fetch_msg msg;
va_list ap;
int slen;
@ -142,10 +143,7 @@ static nserror ssenddataf(struct fetch_about_context *ctx, const char *fmt, ...)
va_end(ap);
if (slen >= (int)sizeof(buffer)) {
return NSERROR_NOSPACE;
}
if (slen < (int)sizeof(buffer)) {
msg.type = FETCH_DATA;
msg.data.header_or_data.buf = (const uint8_t *) buffer;
msg.data.header_or_data.len = slen;
@ -157,6 +155,30 @@ static nserror ssenddataf(struct fetch_about_context *ctx, const char *fmt, ...)
return NSERROR_OK;
}
dbuff = malloc(slen + 1);
if (dbuff == NULL) {
return NSERROR_NOSPACE;
}
va_start(ap, fmt);
slen = vsnprintf(dbuff, slen + 1, fmt, ap);
va_end(ap);
msg.type = FETCH_DATA;
msg.data.header_or_data.buf = (const uint8_t *)dbuff;
msg.data.header_or_data.len = slen;
if (fetch_about_send_callback(&msg, ctx)) {
free(dbuff);
return NSERROR_INVALID;
}
free(dbuff);
return NSERROR_OK;
}
/**
* Generate a 500 server error respnse