diff options
| author | Seiji Munetoh <seiji.munetoh@gmail.com> | 2006-05-31 08:25:47 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-01 03:27:10 +0400 |
| commit | de66a695bef17264b2472c06e981c068bfa0636e (patch) | |
| tree | fcf9e1073978ed8626642ec404bb1bbadcbf18bb /drivers/char | |
| parent | 25a6df952542ad9f284421b6ffe28f3eb3df1305 (diff) | |
| download | linux-de66a695bef17264b2472c06e981c068bfa0636e.tar.xz | |
[PATCH] tpm: bios log parsing fixes
From: Seiji Munetoh <seiji.munetoh@gmail.com>
Fix "tcpa_pc_event" misalignment between enum, strings and TCG PC spec and
output of the event which contains a hash data.
Signed-off-by: Seiji Munetoh <seiji.munetoh@gmail.com>
Acked-by: Kylene Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/tpm/tpm_bios.c | 41 |
1 files changed, 25 insertions, 16 deletions
diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c index e45f0d3d12de..60380174f245 100644 --- a/drivers/char/tpm/tpm_bios.c +++ b/drivers/char/tpm/tpm_bios.c @@ -105,6 +105,12 @@ static const char* tcpa_event_type_strings[] = { "Non-Host Info" }; +struct tcpa_pc_event { + u32 event_id; + u32 event_size; + u8 event_data[0]; +}; + enum tcpa_pc_event_ids { SMBIOS = 1, BIS_CERT, @@ -114,14 +120,15 @@ enum tcpa_pc_event_ids { NVRAM, OPTION_ROM_EXEC, OPTION_ROM_CONFIG, - OPTION_ROM_MICROCODE, + OPTION_ROM_MICROCODE = 10, S_CRTM_VERSION, S_CRTM_CONTENTS, POST_CONTENTS, + HOST_TABLE_OF_DEVICES, }; static const char* tcpa_pc_event_id_strings[] = { - "" + "", "SMBIOS", "BIS Certificate", "POST BIOS ", @@ -130,11 +137,12 @@ static const char* tcpa_pc_event_id_strings[] = { "NVRAM", "Option ROM", "Option ROM config", - "Option ROM microcode", + "", + "Option ROM microcode ", "S-CRTM Version", - "S-CRTM Contents", - "S-CRTM POST Contents", - "POST Contents", + "S-CRTM Contents ", + "POST Contents ", + "Table of Devices", }; /* returns pointer to start of pos. entry of tcg log */ @@ -206,7 +214,7 @@ static int get_event_name(char *dest, struct tcpa_event *event, const char *name = ""; char data[40] = ""; int i, n_len = 0, d_len = 0; - u32 event_id; + struct tcpa_pc_event *pc_event; switch(event->event_type) { case PREBOOT: @@ -235,31 +243,32 @@ static int get_event_name(char *dest, struct tcpa_event *event, } break; case EVENT_TAG: - event_id = be32_to_cpu(*((u32 *)event_entry)); + pc_event = (struct tcpa_pc_event *)event_entry; /* ToDo Row data -> Base64 */ - switch (event_id) { + switch (pc_event->event_id) { case SMBIOS: case BIS_CERT: case CMOS: case NVRAM: case OPTION_ROM_EXEC: case OPTION_ROM_CONFIG: - case OPTION_ROM_MICROCODE: case S_CRTM_VERSION: - case S_CRTM_CONTENTS: - case POST_CONTENTS: - name = tcpa_pc_event_id_strings[event_id]; + name = tcpa_pc_event_id_strings[pc_event->event_id]; n_len = strlen(name); break; + /* hash data */ case POST_BIOS_ROM: case ESCD: - name = tcpa_pc_event_id_strings[event_id]; + case OPTION_ROM_MICROCODE: + case S_CRTM_CONTENTS: + case POST_CONTENTS: + name = tcpa_pc_event_id_strings[pc_event->event_id]; n_len = strlen(name); for (i = 0; i < 20; i++) - d_len += sprintf(data, "%02x", - event_entry[8 + i]); + d_len += sprintf(&data[2*i], "%02x", + pc_event->event_data[i]); break; default: break; |