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[NET] Implement the undocumented /RANDOM option to generate random passwords

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This commit is contained in:
Eric Kohl 2018-07-07 22:06:08 +02:00
parent 4e45a91547
commit b4969dc0d7
1 changed files with 45 additions and 0 deletions
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45
base/applications/network/net/cmdUser.c
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@ -10,6 +10,8 @@
#include "net.h" #include "net.h"
static WCHAR szPasswordChars[] = L"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ@#$%_-+:";
static static
int int
CompareUserInfo(const void *a, const void *b) CompareUserInfo(const void *a, const void *b)
@ -356,6 +358,35 @@ ReadPassword(
} }
static
VOID
GenerateRandomPassword(
LPWSTR *lpPassword,
LPBOOL lpAllocated)
{
LPWSTR pPassword = NULL;
INT nCharsLen, i, nLength = 8;
srand(GetTickCount());
pPassword = HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
(nLength + 1) * sizeof(WCHAR));
if (pPassword == NULL)
return;
nCharsLen = wcslen(szPasswordChars);
for (i = 0; i < nLength; i++)
{
pPassword[i] = szPasswordChars[rand() % nCharsLen];
}
*lpPassword = pPassword;
*lpAllocated = TRUE;
}
INT INT
cmdUser( cmdUser(
INT argc, INT argc,
@ -368,6 +399,7 @@ cmdUser(
#if 0 #if 0
BOOL bDomain = FALSE; BOOL bDomain = FALSE;
#endif #endif
BOOL bRandomPassword = FALSE;
LPWSTR lpUserName = NULL; LPWSTR lpUserName = NULL;
LPWSTR lpPassword = NULL; LPWSTR lpPassword = NULL;
PUSER_INFO_4 pUserInfo = NULL; PUSER_INFO_4 pUserInfo = NULL;
@ -428,6 +460,12 @@ cmdUser(
bDomain = TRUE; bDomain = TRUE;
#endif #endif
} }
else if (_wcsicmp(argv[j], L"/random") == 0)
{
bRandomPassword = TRUE;
GenerateRandomPassword(&lpPassword,
&bPasswordAllocated);
}
} }
if (bAdd && bDelete) if (bAdd && bDelete)
@ -616,6 +654,13 @@ cmdUser(
ConPrintf(StdOut, L"Status: %lu\n", Status); ConPrintf(StdOut, L"Status: %lu\n", Status);
} }
if (Status == NERR_Success &&
lpPassword != NULL &&
bRandomPassword == TRUE)
{
ConPrintf(StdOut, L"The password for %s is: %s\n", lpUserName, lpPassword);
}
done: done:
if ((bPasswordAllocated != FALSE) && (lpPassword != NULL)) if ((bPasswordAllocated != FALSE) && (lpPassword != NULL))
HeapFree(GetProcessHeap(), 0, lpPassword); HeapFree(GetProcessHeap(), 0, lpPassword);