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lib/libsecureboot/vectx.c
| Show First 20 Lines • Show All 114 Lines • ▼ Show 20 Lines | vectx_open(int fd, const char *path, off_t off, struct stat *stp, int *error) | ||||
| ctx->vec_status = 0; | ctx->vec_status = 0; | ||||
| hashsz = 0; | hashsz = 0; | ||||
| cp = fingerprint_info_lookup(fd, path); | cp = fingerprint_info_lookup(fd, path); | ||||
| if (!cp) { | if (!cp) { | ||||
| ctx->vec_status = VE_FINGERPRINT_NONE; | ctx->vec_status = VE_FINGERPRINT_NONE; | ||||
| ve_error_set("%s: no entry", path); | ve_error_set("%s: no entry", path); | ||||
| } else { | } else { | ||||
| if (strncmp(cp, "sha256=", 7) == 0) { | if (strncmp(cp, "no_hash", 7) == 0) { | ||||
| ctx->vec_status = VE_FINGERPRINT_IGNORE; | |||||
| hashsz = 0; | |||||
| } else if (strncmp(cp, "sha256=", 7) == 0) { | |||||
| ctx->vec_md = &br_sha256_vtable; | ctx->vec_md = &br_sha256_vtable; | ||||
| hashsz = br_sha256_SIZE; | hashsz = br_sha256_SIZE; | ||||
| cp += 7; | cp += 7; | ||||
| #ifdef VE_SHA1_SUPPORT | #ifdef VE_SHA1_SUPPORT | ||||
| } else if (strncmp(cp, "sha1=", 5) == 0) { | } else if (strncmp(cp, "sha1=", 5) == 0) { | ||||
| ctx->vec_md = &br_sha1_vtable; | ctx->vec_md = &br_sha1_vtable; | ||||
| hashsz = br_sha1_SIZE; | hashsz = br_sha1_SIZE; | ||||
| cp += 5; | cp += 5; | ||||
| Show All 13 Lines | #endif | ||||
| } else { | } else { | ||||
| ctx->vec_status = VE_FINGERPRINT_UNKNOWN; | ctx->vec_status = VE_FINGERPRINT_UNKNOWN; | ||||
| ve_error_set("%s: no supported fingerprint", path); | ve_error_set("%s: no supported fingerprint", path); | ||||
| } | } | ||||
| } | } | ||||
| *error = ctx->vec_status; | *error = ctx->vec_status; | ||||
| ctx->vec_hashsz = hashsz; | ctx->vec_hashsz = hashsz; | ||||
| ctx->vec_want = cp; | ctx->vec_want = cp; | ||||
| if (hashsz > 0) { | |||||
| ctx->vec_md->init(&ctx->vec_ctx.vtable); | ctx->vec_md->init(&ctx->vec_ctx.vtable); | ||||
| if (hashsz > 0 && off > 0) { | if (off > 0) { | ||||
| lseek(fd, 0, SEEK_SET); | lseek(fd, 0, SEEK_SET); | ||||
| vectx_lseek(ctx, off, SEEK_SET); | vectx_lseek(ctx, off, SEEK_SET); | ||||
| } | |||||
| } | } | ||||
| return (ctx); | return (ctx); | ||||
| enomem: /* unlikely */ | enomem: /* unlikely */ | ||||
| *error = ENOMEM; | *error = ENOMEM; | ||||
| free(ctx); | free(ctx); | ||||
| return (NULL); | return (NULL); | ||||
| } | } | ||||
| ▲ Show 20 Lines • Show All 126 Lines • Show Last 20 Lines | |||||