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Don't proxy getaddrinfo when net.dns1.[MYPID] is set.

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Part of on-going DNS proxy/cache work.

Bug: 1146676
Change-Id: I5e6028169c81c2223efc34c3b57e348c44f26d26
This commit is contained in:
Brad Fitzpatrick 2010-10-28 13:22:20 -07:00
parent 52583cc679
commit 555e02dee7
1 changed files with 14 additions and 0 deletions
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14
libc/netbsd/net/getaddrinfo.c
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@ -103,6 +103,10 @@
#include <stdarg.h>
#include "nsswitch.h"
#ifdef ANDROID_CHANGES
#include <sys/system_properties.h>
#endif /* ANDROID_CHANGES */
typedef union sockaddr_union {
struct sockaddr generic;
struct sockaddr_in in;
@ -399,6 +403,16 @@ android_getaddrinfo_proxy(
return -1;
}
// Temporary cautious hack to disable the DNS proxy for processes
// requesting special treatment. Ideally the DNS proxy should
// accomodate these apps, though.
char propname[PROP_NAME_MAX];
char propvalue[PROP_VALUE_MAX];
snprintf(propname, sizeof(propname), "net.dns1.%d", getpid());
if (__system_property_get(propname, propvalue) > 0) {
return -1;
}
// Bogus things we can't serialize. Don't use the proxy.
if ((hostname != NULL &&
strcspn(hostname, " \n\r\t^'\"") != strlen(hostname)) ||