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(hx509_pem_write): Add.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@21301 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2007-06-25 16:44:24 +00:00
parent 70013f4851
commit e1fcd85fb3
1 changed files with 49 additions and 0 deletions
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49
lib/hx509/file.c
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@@ -134,3 +134,52 @@ _hx509_write_file(const char *fn, const void *data, size_t length)
return 0;
}
static void
header(FILE *f, const char *type, const char *str)
{
fprintf(f, "-----%s %s-----\n", type, str);
}
int
hx509_pem_write(hx509_context context, const char *type,
char **headers, FILE *f,
const void *data, size_t size)
{
const char *p = data;
size_t length;
char *line;
int i;
#define ENCODE_LINE_LENGTH 54
header(f, "BEGIN", type);
for(i = 0; headers && headers[i]; i++)
fprintf(f, "%s\n", headers[i]);
if (i > 0)
fprintf(f, "\n");
while (size > 0) {
ssize_t l;
length = size;
if (length > ENCODE_LINE_LENGTH)
length = ENCODE_LINE_LENGTH;
l = base64_encode(p, length, &line);
if (l < 0) {
hx509_set_error_string(context, 0, ENOMEM,
"malloc - out of memory");
return ENOMEM;
}
size -= length;
fprintf(f, "%s\n", line);
p += length;
free(line);
}
header(f, "END", type);
return 0;
}