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misc: Use a fixed buffer for getenv().

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This commit is contained in:
Andreas Schneider
2012-10-08 22:38:20 +02:00
parent de34a64895
commit e04dc45f20
1 changed files with 8 additions and 2 deletions
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8
src/misc.c
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@@ -215,7 +215,13 @@ char *ssh_get_user_home_dir(void) {
rc = getpwuid_r(getuid(), &pwd, buf, NSS_BUFLEN_PASSWD, &pwdbuf); rc = getpwuid_r(getuid(), &pwd, buf, NSS_BUFLEN_PASSWD, &pwdbuf);
if (rc != 0) { if (rc != 0) {
szPath = getenv("HOME"); szPath = getenv("HOME");
return szPath ? strdup(szPath) : NULL; if (szPath == NULL) {
return NULL;
}
memset(buf, 0, sizeof(buf));
snprintf(buf, sizeof(buf), "%s", getenv("HOME"));
return strdup(buf);
} }
szPath = strdup(pwd.pw_dir); szPath = strdup(pwd.pw_dir);