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radattr: Use chunk_map() instead of non-portable mmap()

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This commit is contained in:
Martin Willi
2014-01-23 15:55:32 +01:00
parent 39badc53cd
commit b8d0103e31
1 changed files with 8 additions and 40 deletions
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src/libcharon/plugins/radattr/radattr_listener.c
+8 -40
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@@ -19,7 +19,6 @@
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <errno.h>
#include <daemon.h>
@@ -110,10 +109,7 @@ static void add_radius_attribute(private_radattr_listener_t *this,
identification_t *id;
auth_cfg_t *auth;
char path[PATH_MAX];
chunk_t data;
struct stat sb;
void *addr;
int fd;
chunk_t *data;
auth = ike_sa->get_auth_cfg(ike_sa, TRUE);
id = auth->get(auth, AUTH_RULE_EAP_IDENTITY);
@@ -123,44 +119,16 @@ static void add_radius_attribute(private_radattr_listener_t *this,
}
snprintf(path, sizeof(path), "%s/%Y", this->dir, id);
fd = open(path, O_RDONLY);
if (fd != -1)
data = chunk_map(path, FALSE);
if (data)
{
if (fstat(fd, &sb) != -1)
if (data->len >= 2)
{
if (sb.st_size <= MAX_ATTR_SIZE)
{
addr = mmap(NULL, sb.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (addr != MAP_FAILED)
{
data = chunk_create(addr, sb.st_size);
if (data.len >= 2)
{
DBG1(DBG_CFG, "adding RADIUS %N attribute",
radius_attribute_type_names, data.ptr[0]);
message->add_notify(message, FALSE,
RADIUS_ATTRIBUTE, data);
}
munmap(addr, sb.st_size);
}
else
{
DBG1(DBG_CFG, "mapping RADIUS attribute '%s' failed: %s",
path, strerror(errno));
}
}
else
{
DBG1(DBG_CFG, "RADIUS attribute '%s' exceeds size limit",
path);
}
DBG1(DBG_CFG, "adding RADIUS %N attribute",
radius_attribute_type_names, data->ptr[0]);
message->add_notify(message, FALSE, RADIUS_ATTRIBUTE, *data);
}
else
{
DBG1(DBG_CFG, "fstat RADIUS attribute '%s' failed: %s",
path, strerror(errno));
}
close(fd);
chunk_unmap(data);
}
else
{