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Skip installing already present shared contents, verify WAD header a bit

This commit is contained in:
Naim2000 2024-03-01 09:31:12 -05:00
parent 1d0f7d6f67
commit 5283493c4e
3 changed files with 121 additions and 25 deletions
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10
source/sys.c
View File

@ -29,6 +29,16 @@ void __Sys_PowerCallback(void)
Sys_Shutdown();
}
bool tmdIsStubIOS(tmd* p_tmd)
{
return
p_tmd->sys_version >> 32 == 0
&& p_tmd->num_contents == 3
&& p_tmd->contents[0].type == 0x0001
&& p_tmd->contents[1].type == 0x8001
&& p_tmd->contents[2].type == 0x8001;
}
bool isIOSstub(u8 ios_number)
{
u32 tmd_size = 0;

1
source/sys.h
View File

@ -4,6 +4,7 @@
extern u32 boot2version;
/* Prototypes */
bool isIOSstub(u8 ios_number);
bool tmdIsStubIOS(tmd*);
bool loadIOS(int ios);
void Sys_Init(void);
void Sys_Reboot(void);

135
source/wad.c
View File

@ -600,6 +600,73 @@ void __Wad_FixTicket(signed_blob *s_tik)
}
}
bool __Wad_VerifyHeader(wadHeader* header)
{
return
header->header_len == 0x20
&& header->type == ('I' << 8 | 's')
&& header->padding == 0x00;
}
/* /shared1/content.map entry */
typedef struct
{
char filename[8];
sha1 hash;
} ATTRIBUTE_PACKED SharedContent;
bool GetSharedContents(SharedContent** out, u32* count)
{
if (!out || !count) return false;
int ret;
SharedContent* buf = NULL;
int fd = ret = ISFS_Open("/shared1/content.map", ISFS_OPEN_READ);
if (ret < 0)
return false;
int len = ISFS_Seek(fd, 0, SEEK_END);
ISFS_Seek(fd, 0, SEEK_SET);
if (len <= 0 || len % sizeof(SharedContent))
goto fail;
buf = memalign32(len);
if (!buf)
goto fail;
ret = ISFS_Read(fd, buf, len);
if (ret != len)
goto fail;
ISFS_Close(fd);
*out = buf;
*count = len / sizeof(SharedContent);
return true;
fail:
ISFS_Close(fd);
free(buf);
return false;
}
bool SharedContentPresent(tmd_content* content, SharedContent shared[], u32 count)
{
if (!shared || !content || !count) return false;
if (!(content->type & 0x8000)) return false;
for (SharedContent* s_content = shared; s_content < shared + count; s_content++)
{
if (memcmp(s_content->hash, content->hash, sizeof(sha1)) == 0)
return true;
}
return false;
}
// Some of the safety checks can block region changing
// Entering the Konami code turns this true, so it will
// skip the problematic checks for region changing.
@ -611,9 +678,12 @@ s32 Wad_Install(FILE *fp)
wadHeader *header = NULL;
signed_blob *p_certs = NULL, *p_crl = NULL, *p_tik = NULL, *p_tmd = NULL;
SharedContent* sharedContents = NULL;
tmd *tmd_data = NULL;
u32 cnt, offset = 0;
u32 sharedContentsCount = 0;
int ret;
u64 tid;
bool retainPriiloader = false;
@ -625,8 +695,14 @@ s32 Wad_Install(FILE *fp)
ret = FSOPReadOpenFileA(fp, (void*)&header, offset, sizeof(wadHeader));
if (ret != 1)
goto err;
else
offset += round_up(header->header_len, 64);
if (!__Wad_VerifyHeader(header))
{
ret = ES_EINVAL;
goto err;
}
offset += round_up(header->header_len, 64);
//Don't try to install boot2
__Wad_GetTitleID(fp, header, &tid);
@ -642,31 +718,31 @@ s32 Wad_Install(FILE *fp)
ret = FSOPReadOpenFileA(fp, (void*)&p_certs, offset, header->certs_len);
if (ret != 1)
goto err;
else
offset += round_up(header->certs_len, 64);
offset += round_up(header->certs_len, 64);
/* WAD crl */
if (header->crl_len) {
ret = FSOPReadOpenFileA(fp, (void*)&p_crl, offset, header->crl_len);
if (ret != 1)
goto err;
else
offset += round_up(header->crl_len, 64);
offset += round_up(header->crl_len, 64);
}
/* WAD ticket */
ret = FSOPReadOpenFileA(fp, (void*)&p_tik, offset, header->tik_len);
if (ret != 1)
goto err;
else
offset += round_up(header->tik_len, 64);
offset += round_up(header->tik_len, 64);
/* WAD TMD */
ret = FSOPReadOpenFileA(fp, (void*)&p_tmd, offset, header->tmd_len);
if (ret != 1)
goto err;
else
offset += round_up(header->tmd_len, 64);
offset += round_up(header->tmd_len, 64);
Con_ClearLine();
@ -677,13 +753,13 @@ s32 Wad_Install(FILE *fp)
if(TITLE_LOWER(tmd_data->sys_version) != 0 && isIOSstub(TITLE_LOWER(tmd_data->sys_version)))
{
printf("\n This Title wants IOS%i but the installed version\n is a stub.\n", TITLE_LOWER(tmd_data->sys_version));
ret = -999;
ret = -1036;
goto err;
}
if(get_title_ios(TITLE_ID(1, 2)) == tid)
{
if (( tmd_data->num_contents == 3) && (tmd_data->contents[0].type == 1 && tmd_data->contents[1].type == 0x8001 && tmd_data->contents[2].type == 0x8001))
if (tmdIsStubIOS(tmd_data))
{
printf("\n I won't install a stub System Menu IOS\n");
ret = -999;
@ -693,7 +769,7 @@ s32 Wad_Install(FILE *fp)
if(tid == get_title_ios(TITLE_ID(0x10008, 0x48414B00 | 'E')) || tid == get_title_ios(TITLE_ID(0x10008, 0x48414B00 | 'P')) || tid == get_title_ios(TITLE_ID(0x10008, 0x48414B00 | 'J')) || tid == get_title_ios(TITLE_ID(0x10008, 0x48414B00 | 'K')))
{
if ((tmd_data->num_contents == 3) && (tmd_data->contents[0].type == 1 && tmd_data->contents[1].type == 0x8001 && tmd_data->contents[2].type == 0x8001))
if (tmdIsStubIOS(tmd_data))
{
printf("\n I won't install a stub EULA IOS\n");
ret = -999;
@ -703,16 +779,16 @@ s32 Wad_Install(FILE *fp)
if(tid == get_title_ios(TITLE_ID(0x10008, 0x48414C00 | 'E')) || tid == get_title_ios(TITLE_ID(0x10008, 0x48414C00 | 'P')) || tid == get_title_ios(TITLE_ID(0x10008, 0x48414C00 | 'J')) || tid == get_title_ios(TITLE_ID(0x10008, 0x48414C00 | 'K')))
{
if ((tmd_data->num_contents == 3) && (tmd_data->contents[0].type == 1 && tmd_data->contents[1].type == 0x8001 && tmd_data->contents[2].type == 0x8001))
if (tmdIsStubIOS(tmd_data))
{
printf("\n I won't install a stub rgsel IOS\n");
printf("\n I won't install a stub rgnsel IOS\n");
ret = -999;
goto err;
}
}
if (tid == get_title_ios(TITLE_ID(0x10001, 0x48415858)) || tid == get_title_ios(TITLE_ID(0x10001, 0x4A4F4449)))
{
if ( ( tmd_data->num_contents == 3) && (tmd_data->contents[0].type == 1 && tmd_data->contents[1].type == 0x8001 && tmd_data->contents[2].type == 0x8001) )
if (tmdIsStubIOS(tmd_data))
{
printf("\n Are you sure you wan't to install a stub HBC IOS?\n");
printf("\n Press A to continue.\n");
@ -750,7 +826,7 @@ s32 Wad_Install(FILE *fp)
if(region == 0)
{
printf("\n Unkown System menu region\n Please check the site for updates\n");
printf("\n Unknown System menu region\n Please check the site for updates\n");
ret = -999;
goto err;
@ -865,6 +941,9 @@ skipChecks:
ret = ES_AddTitleStart(p_tmd, header->tmd_len, p_certs, header->certs_len, p_crl, header->crl_len);
if (ret < 0)
goto err;
/* Get list of currently installed shared contents */
GetSharedContents(&sharedContents, &sharedContentsCount);
/* Install contents */
for (cnt = 0; cnt < tmd_data->num_contents; cnt++)
@ -874,14 +953,19 @@ skipChecks:
u32 idx = 0, len;
s32 cfd;
Con_ClearLine();
printf("\r\t\t>> Installing content #%02d...", content->cid);
fflush(stdout);
/* Encrypted content size */
len = round_up(content->size, 64);
if (SharedContentPresent(content, sharedContents, sharedContentsCount))
{
offset += len;
continue;
}
Con_ClearLine();
printf("\r\t\t>> Installing content #%02d...", content->cid);
fflush(stdout);
/* Install content */
cfd = ES_AddContentStart(tmd_data->title_id, content->cid);
if (cfd < 0)
@ -1051,6 +1135,7 @@ out:
free(p_crl);
free(p_tik);
free(p_tmd);
free(sharedContents);
if (gForcedInstall)
return Wad_Install(fp);
@ -1132,7 +1217,7 @@ s32 Wad_Uninstall(FILE *fp)
if((tid == TITLE_ID(0x10008, 0x48414B00 | 'E') || tid == TITLE_ID(0x10008, 0x48414B00 | 'P') || tid == TITLE_ID(0x10008, 0x48414B00 | 'J') || tid == TITLE_ID(0x10008, 0x48414B00 | 'K')
|| (tid == TITLE_ID(0x10008, 0x48414C00 | 'E') || tid == TITLE_ID(0x10008, 0x48414C00 | 'P') || tid == TITLE_ID(0x10008, 0x48414C00 | 'J') || tid == TITLE_ID(0x10008, 0x48414C00 | 'K'))) && region == 0)
{
printf("\n Unkown SM region\n Please check the site for updates\n");
printf("\n Unknown SM region\n Please check the site for updates\n");
ret = -999;
goto out;
}
@ -1144,7 +1229,7 @@ s32 Wad_Uninstall(FILE *fp)
}
if(tid == TITLE_ID(0x10008, 0x48414C00 | region))
{
printf("\n I won't uninstall rgsel\n");
printf("\n I won't uninstall rgnsel\n");
ret = -999;
goto out;
}
@ -1156,7 +1241,7 @@ s32 Wad_Uninstall(FILE *fp)
}
if(tid == get_title_ios(TITLE_ID(0x10008, 0x48414C00 | region)))
{
printf("\n I won't uninstall the rgsel IOS\n");
printf("\n I won't uninstall the rgnsel IOS\n");
ret = -999;
goto out;
}