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Add logd security buffer tag types and string write API.

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Bug: 22860162
Change-Id: I1cceed3462eaebdd8208abf101b127f27f0023a7
This commit is contained in:
Rubin Xu 2016-01-10 22:31:19 +00:00
parent 047597b3fc
commit d545d2930e
2 changed files with 23 additions and 0 deletions
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1
include/log/logd.h
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@ -45,6 +45,7 @@ int __android_log_btwrite(int32_t tag, char type, const void *payload,
int __android_log_bswrite(int32_t tag, const char *payload);
int __android_log_security_bwrite(int32_t tag, const void *payload, size_t len);
int __android_log_security_bswrite(int32_t tag, const char *payload);
#ifdef __cplusplus
}

22
liblog/logd_write.c
View file

@ -668,3 +668,25 @@ int __android_log_bswrite(int32_t tag, const char *payload)
return write_to_log(LOG_ID_EVENTS, vec, 4);
}
/*
* Like __android_log_security_bwrite, but used for writing strings to the
* security log.
*/
int __android_log_security_bswrite(int32_t tag, const char *payload)
{
struct iovec vec[4];
char type = EVENT_TYPE_STRING;
uint32_t len = strlen(payload);
vec[0].iov_base = &tag;
vec[0].iov_len = sizeof(tag);
vec[1].iov_base = &type;
vec[1].iov_len = sizeof(type);
vec[2].iov_base = &len;
vec[2].iov_len = sizeof(len);
vec[3].iov_base = (void*)payload;
vec[3].iov_len = len;
return write_to_log(LOG_ID_SECURITY, vec, 4);
}