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Diffstat (limited to 'src/common/sandbox.c')
-rw-r--r--src/common/sandbox.c62
1 files changed, 32 insertions, 30 deletions
diff --git a/src/common/sandbox.c b/src/common/sandbox.c
index 748141cda..41c3b44d7 100644
--- a/src/common/sandbox.c
+++ b/src/common/sandbox.c
@@ -54,8 +54,7 @@
#include <poll.h>
static sandbox_cfg_t *filter_dynamic = NULL;
-
-static struct addrinfo *sb_addr_info= NULL;
+static sb_addr_info_t *sb_addr_info = NULL;
/** Variable used for storing all syscall numbers that will be allowed with the
* stage 1 general Tor sandbox.
@@ -914,54 +913,57 @@ sandbox_cfg_allow_execve_array(sandbox_cfg_t **cfg, ...)
int
sandbox_getaddrinfo(const char *name, struct addrinfo **res)
{
- char hname[256];
+ sb_addr_info_t *el;
- if (!res) {
- return -2;
- }
*res = NULL;
- *res = (struct addrinfo *)malloc(sizeof(struct addrinfo));
- if (*res == NULL) {
- return -2;
- }
- if (gethostname(hname, sizeof(hname)) < 0) {
- return -1;
- }
+ for (el = sb_addr_info; el; el = el->next) {
+ if(!strcmp(el->name, name)) {
+ *res = (struct addrinfo *)malloc(sizeof(struct addrinfo));
+ if (!res) {
+ return -2;
+ }
- if (strcmp(name, hname) || sb_addr_info == NULL) {
- log_err(LD_BUG,"(Sandbox) failed for hname %s!", name);
- return -1;
+ memcpy(*res, el->info, sizeof(struct addrinfo));
+
+ return 0;
+ }
}
- memcpy(*res, sb_addr_info, sizeof(struct addrinfo));
- return 0;
+ return -1;
}
-static int
-init_addrinfo(void)
+int
+sandbox_add_addrinfo(const char* name)
{
int ret;
struct addrinfo hints;
- char hname[256];
+ sb_addr_info_t *el = NULL;
- sb_addr_info = NULL;
-
- if (gethostname(hname, sizeof(hname)) < 0) {
- return -1;
+ el = (sb_addr_info_t*) malloc(sizeof(sb_addr_info_t));
+ if(!el) {
+ log_err(LD_BUG,"(Sandbox) failed to allocate addr info!");
+ ret = -2;
+ goto out;
}
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
- ret = getaddrinfo(hname, NULL, &hints, &sb_addr_info);
+ ret = getaddrinfo(name, NULL, &hints, &(el->info));
if (ret) {
- sb_addr_info = NULL;
- return -2;
+ log_err(LD_BUG,"(Sandbox) failed to getaddrinfo");
+ ret = -2;
+ goto out;
}
- return 0;
+ el->name = strdup(name);
+ el->next = sb_addr_info;
+ sb_addr_info = el;
+
+ out:
+ return ret;
}
static int
@@ -1151,7 +1153,7 @@ initialise_libseccomp_sandbox(sandbox_cfg_t* cfg)
if (install_sigsys_debugging())
return -1;
- if (init_addrinfo() || prot_strings(cfg)) {
+ if (prot_strings(cfg)) {
return -4;
}