diff options
| -rw-r--r-- | src/udev/cdrom_id/cdrom_id.c | 915 |
1 files changed, 279 insertions, 636 deletions
diff --git a/src/udev/cdrom_id/cdrom_id.c b/src/udev/cdrom_id/cdrom_id.c index b4b0596a42..dcf7909821 100644 --- a/src/udev/cdrom_id/cdrom_id.c +++ b/src/udev/cdrom_id/cdrom_id.c @@ -25,6 +25,7 @@ #include "log.h" #include "memory-util.h" #include "random-util.h" +#include "sort-util.h" #include "udev-util.h" static bool arg_eject = false; @@ -32,94 +33,66 @@ static bool arg_lock = false; static bool arg_unlock = false; static const char *arg_node = NULL; +typedef enum Feature { + FEATURE_RW_NONREMOVABLE = 0x01, + FEATURE_RW_REMOVABLE = 0x02, + + FEATURE_MO_SE = 0x03, /* sector erase */ + FEATURE_MO_WO = 0x04, /* write once */ + FEATURE_MO_AS = 0x05, /* advance storage */ + + FEATURE_CD_ROM = 0x08, + FEATURE_CD_R = 0x09, + FEATURE_CD_RW = 0x0a, + + FEATURE_DVD_ROM = 0x10, + FEATURE_DVD_R = 0x11, + FEATURE_DVD_RAM = 0x12, + FEATURE_DVD_RW_RO = 0x13, /* restricted overwrite mode */ + FEATURE_DVD_RW_SEQ = 0x14, /* sequential mode */ + FEATURE_DVD_R_DL_SEQ = 0x15, /* sequential recording */ + FEATURE_DVD_R_DL_JR = 0x16, /* jump recording */ + FEATURE_DVD_RW_DL = 0x17, + FEATURE_DVD_R_DDR = 0x18, /* download disc recording - dvd for css managed recording */ + FEATURE_DVD_PLUS_RW = 0x1a, + FEATURE_DVD_PLUS_R = 0x1b, + + FEATURE_DDCD_ROM = 0x20, + FEATURE_DDCD_R = 0x21, + FEATURE_DDCD_RW = 0x22, + + FEATURE_DVD_PLUS_RW_DL = 0x2a, + FEATURE_DVD_PLUS_R_DL = 0x2b, + + FEATURE_BD = 0x40, + FEATURE_BD_R_SRM = 0x41, /* sequential recording mode */ + FEATURE_BD_R_RRM = 0x42, /* random recording mode */ + FEATURE_BD_RE = 0x43, + + FEATURE_HDDVD = 0x50, + FEATURE_HDDVD_R = 0x51, + FEATURE_HDDVD_RAM = 0x52, + FEATURE_HDDVD_RW = 0x53, + FEATURE_HDDVD_R_DL = 0x58, + FEATURE_HDDVD_RW_DL = 0x5a, + + FEATURE_MRW, + FEATURE_MRW_W, + + _FEATURE_MAX, + _FEATURE_INVALID = -1, +} Feature; + typedef struct Context { int fd; -} Context; -/* device info */ -static unsigned cd_rw_nonremovable; -static unsigned cd_rw_removable; -static unsigned cd_cd_rom; -static unsigned cd_cd_r; -static unsigned cd_cd_rw; -static unsigned cd_ddcd_rom; -static unsigned cd_ddcd_r; -static unsigned cd_ddcd_rw; -static unsigned cd_dvd_rom; -static unsigned cd_dvd_r; -static unsigned cd_dvd_r_ddr; -static unsigned cd_dvd_r_dl; -static unsigned cd_dvd_r_dl_seq; -static unsigned cd_dvd_r_dl_jr; -static unsigned cd_dvd_rw; -static unsigned cd_dvd_rw_ro; -static unsigned cd_dvd_rw_seq; -static unsigned cd_dvd_rw_dl; -static unsigned cd_dvd_ram; -static unsigned cd_dvd_plus_r; -static unsigned cd_dvd_plus_rw; -static unsigned cd_dvd_plus_r_dl; -static unsigned cd_dvd_plus_rw_dl; -static unsigned cd_bd; -static unsigned cd_bd_r; -static unsigned cd_bd_r_srm; -static unsigned cd_bd_r_rrm; -static unsigned cd_bd_re; -static unsigned cd_hddvd; -static unsigned cd_hddvd_r; -static unsigned cd_hddvd_r_dl; -static unsigned cd_hddvd_ram; -static unsigned cd_hddvd_rw; -static unsigned cd_hddvd_rw_dl; -static unsigned cd_mo; -static unsigned cd_mo_se; -static unsigned cd_mo_wo; -static unsigned cd_mo_as; -static unsigned cd_mrw; -static unsigned cd_mrw_w; - -/* media info */ -static unsigned cd_media; -static unsigned cd_media_rw_nonremovable; -static unsigned cd_media_rw_removable; -static unsigned cd_media_cd_rom; -static unsigned cd_media_cd_r; -static unsigned cd_media_cd_rw; -static unsigned cd_media_ddcd_rom; -static unsigned cd_media_ddcd_r; -static unsigned cd_media_ddcd_rw; -static unsigned cd_media_dvd_rom; -static unsigned cd_media_dvd_r; -static unsigned cd_media_dvd_r_ddr; /* download disc recording - dvd for css managed recording */ -static unsigned cd_media_dvd_r_dl; -static unsigned cd_media_dvd_r_dl_seq; /* sequential recording */ -static unsigned cd_media_dvd_r_dl_jr; /* jump recording */ -static unsigned cd_media_dvd_rw; -static unsigned cd_media_dvd_rw_ro; /* restricted overwrite mode */ -static unsigned cd_media_dvd_rw_seq; /* sequential mode */ -static unsigned cd_media_dvd_rw_dl; -static unsigned cd_media_dvd_ram; -static unsigned cd_media_dvd_plus_r; -static unsigned cd_media_dvd_plus_rw; -static unsigned cd_media_dvd_plus_r_dl; -static unsigned cd_media_dvd_plus_rw_dl; -static unsigned cd_media_bd; -static unsigned cd_media_bd_r; -static unsigned cd_media_bd_r_srm; /* sequential recording mode */ -static unsigned cd_media_bd_r_rrm; /* random recording mode */ -static unsigned cd_media_bd_re; -static unsigned cd_media_hddvd; -static unsigned cd_media_hddvd_r; -static unsigned cd_media_hddvd_r_dl; -static unsigned cd_media_hddvd_ram; -static unsigned cd_media_hddvd_rw; -static unsigned cd_media_hddvd_rw_dl; -static unsigned cd_media_mo; -static unsigned cd_media_mo_se; /* sector erase */ -static unsigned cd_media_mo_wo; /* write once */ -static unsigned cd_media_mo_as; /* advance storage */ -static unsigned cd_media_mrw; -static unsigned cd_media_mrw_w; + Feature *drive_features; + size_t n_drive_feature; + size_t n_allocated; + + Feature media_feature; + bool has_media; +} Context; static const char *cd_media_state = NULL; static unsigned cd_media_session_next; @@ -134,6 +107,7 @@ static void context_clear(Context *c) { return; safe_close(c->fd); + free(c->drive_features); } static void context_init(Context *c) { @@ -141,9 +115,33 @@ static void context_init(Context *c) { *c = (Context) { .fd = -1, + .media_feature = _FEATURE_INVALID, }; } +static bool drive_has_feature(const Context *c, Feature f) { + assert(c); + + for (size_t i = 0; i < c->n_drive_feature; i++) + if (c->drive_features[i] == f) + return true; + + return false; +} + +static int set_drive_feature(Context *c, Feature f) { + assert(c); + + if (drive_has_feature(c, f)) + return 0; + + if (!GREEDY_REALLOC(c->drive_features, c->n_allocated, c->n_drive_feature + 1)) + return -ENOMEM; + + c->drive_features[c->n_drive_feature++] = f; + return 1; +} + #define ERRCODE(s) ((((s)[2] & 0x0F) << 16) | ((s)[12] << 8) | ((s)[13])) #define SK(errcode) (((errcode) >> 16) & 0xF) #define ASC(errcode) (((errcode) >> 8) & 0xFF) @@ -254,7 +252,7 @@ static int media_eject(int fd) { } static int cd_capability_compat(Context *c) { - int capability; + int capability, r; assert(c); @@ -262,20 +260,42 @@ static int cd_capability_compat(Context *c) { if (capability < 0) return log_debug_errno(errno, "CDROM_GET_CAPABILITY failed"); - if (capability & CDC_CD_R) - cd_cd_r = 1; - if (capability & CDC_CD_RW) - cd_cd_rw = 1; - if (capability & CDC_DVD) - cd_dvd_rom = 1; - if (capability & CDC_DVD_R) - cd_dvd_r = 1; - if (capability & CDC_DVD_RAM) - cd_dvd_ram = 1; - if (capability & CDC_MRW) - cd_mrw = 1; - if (capability & CDC_MRW_W) - cd_mrw_w = 1; + if (capability & CDC_CD_R) { + r = set_drive_feature(c, FEATURE_CD_R); + if (r < 0) + return log_oom_debug(); + } + if (capability & CDC_CD_RW) { + r = set_drive_feature(c, FEATURE_CD_RW); + if (r < 0) + return log_oom_debug(); + } + if (capability & CDC_DVD) { + r = set_drive_feature(c, FEATURE_DVD_ROM); + if (r < 0) + return log_oom_debug(); + } + if (capability & CDC_DVD_R) { + r = set_drive_feature(c, FEATURE_DVD_R); + if (r < 0) + return log_oom_debug(); + } + if (capability & CDC_DVD_RAM) { + r = set_drive_feature(c, FEATURE_DVD_RAM); + if (r < 0) + return log_oom_debug(); + } + if (capability & CDC_MRW) { + r = set_drive_feature(c, FEATURE_MRW); + if (r < 0) + return log_oom_debug(); + } + if (capability & CDC_MRW_W) { + r = set_drive_feature(c, FEATURE_MRW_W); + if (r < 0) + return log_oom_debug(); + } + return 0; } @@ -285,7 +305,7 @@ static int cd_media_compat(Context *c) { if (ioctl(c->fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) != CDS_DISC_OK) return log_debug_errno(errno, "CDROM_DRIVE_STATUS != CDS_DISC_OK"); - cd_media = 1; + c->has_media = true; return 0; } @@ -311,354 +331,18 @@ static int cd_inquiry(Context *c) { return 0; } -static void feature_profile_media(int cur_profile) { - switch (cur_profile) { - case 0x01: - log_debug("profile 0x%02x media_rw_nonremovable", cur_profile); - cd_media = 1; - cd_media_rw_nonremovable = 1; - break; - case 0x02: - log_debug("profile 0x%02x media_rw_removable", cur_profile); - cd_media = 1; - cd_media_rw_removable = 1; - break; - case 0x03: - log_debug("profile 0x%02x media_mo_se", cur_profile); - cd_media = 1; - cd_media_mo = 1; - cd_media_mo_se = 1; - break; - case 0x04: - log_debug("profile 0x%02x media_mo_wo", cur_profile); - cd_media = 1; - cd_media_mo = 1; - cd_media_mo_wo = 1; - break; - case 0x05: - log_debug("profile 0x%02x media_mo_as", cur_profile); - cd_media = 1; - cd_media_mo = 1; - cd_media_mo_as = 1; - break; - case 0x08: - log_debug("profile 0x%02x media_cd_rom", cur_profile); - cd_media = 1; - cd_media_cd_rom = 1; - break; - case 0x09: - log_debug("profile 0x%02x media_cd_r", cur_profile); - cd_media = 1; - cd_media_cd_r = 1; - break; - case 0x0a: - log_debug("profile 0x%02x media_cd_rw", cur_profile); - cd_media = 1; - cd_media_cd_rw = 1; - break; - case 0x10: - log_debug("profile 0x%02x media_dvd_ro", cur_profile); - cd_media = 1; - cd_media_dvd_rom = 1; - break; - case 0x11: - log_debug("profile 0x%02x media_dvd_r", cur_profile); - cd_media = 1; - cd_media_dvd_r = 1; - break; - case 0x12: - log_debug("profile 0x%02x media_dvd_ram", cur_profile); - cd_media = 1; - cd_media_dvd_ram = 1; - break; - case 0x13: - log_debug("profile 0x%02x media_dvd_rw_ro", cur_profile); - cd_media = 1; - cd_media_dvd_rw = 1; - cd_media_dvd_rw_ro = 1; - break; - case 0x14: - log_debug("profile 0x%02x media_dvd_rw_seq", cur_profile); - cd_media = 1; - cd_media_dvd_rw = 1; - cd_media_dvd_rw_seq = 1; - break; - case 0x15: - log_debug("profile 0x%02x media_dvd_r_dl_seq", cur_profile); - cd_media = 1; - cd_media_dvd_r_dl = 1; - cd_media_dvd_r_dl_seq = 1; - break; - case 0x16: - log_debug("profile 0x%02x media_dvd_r_dl_jr", cur_profile); - cd_media = 1; - cd_media_dvd_r_dl = 1; - cd_media_dvd_r_dl_jr = 1; - break; - case 0x17: - log_debug("profile 0x%02x media_dvd_rw_dl", cur_profile); - cd_media = 1; - cd_media_dvd_rw_dl = 1; - break; - case 0x18: - log_debug("profile 0x%02x media_dvd_r_ddr", cur_profile); - cd_media = 1; - cd_media_dvd_r = 1; - cd_media_dvd_r_ddr = 1; - break; - case 0x1B: - log_debug("profile 0x%02x media_dvd_plus_r", cur_profile); - cd_media = 1; - cd_media_dvd_plus_r = 1; - break; - case 0x1A: - log_debug("profile 0x%02x media_dvd_plus_rw", cur_profile); - cd_media = 1; - cd_media_dvd_plus_rw = 1; - break; - case 0x20: - log_debug("profile 0x%02x media_ddcd_rom", cur_profile); - cd_media = 1; - cd_media_ddcd_rom = 1; - break; - case 0x21: - log_debug("profile 0x%02x media_ddcd_r", cur_profile); - cd_media = 1; - cd_media_ddcd_r = 1; - break; - case 0x22: - log_debug("profile 0x%02x media_ddcd_rw", cur_profile); - cd_media = 1; - cd_media_ddcd_rw = 1; - break; - case 0x2A: - log_debug("profile 0x%02x media_dvd_plus_rw_dl", cur_profile); - cd_media = 1; - cd_media_dvd_plus_rw_dl = 1; - break; - case 0x2B: - log_debug("profile 0x%02x media_dvd_plus_r_dl", cur_profile); - cd_media = 1; - cd_media_dvd_plus_r_dl = 1; - break; - case 0x40: - log_debug("profile 0x%02x media_bd", cur_profile); - cd_media = 1; - cd_media_bd = 1; - break; - case 0x41: - log_debug("profile 0x%02x media_bd_r_srm", cur_profile); - cd_media = 1; - cd_media_bd_r = 1; - cd_media_bd_r_srm = 1; - break; - case 0x42: - log_debug("profile 0x%02x media_bd_r_rrm", cur_profile); - cd_media = 1; - cd_media_bd_r = 1; - cd_media_bd_r_rrm = 1; - break; - case 0x43: - log_debug("profile 0x%02x media_bd_re", cur_profile); - cd_media = 1; - cd_media_bd_re = 1; - break; - case 0x50: - log_debug("profile 0x%02x media_hddvd", cur_profile); - cd_media = 1; - cd_media_hddvd = 1; - break; - case 0x51: - log_debug("profile 0x%02x media_hddvd_r", cur_profile); - cd_media = 1; - cd_media_hddvd_r = 1; - break; - case 0x52: - log_debug("profile 0x%02x media_hddvd_ram", cur_profile); - cd_media = 1; - cd_media_hddvd_ram = 1; - break; - case 0x53: - log_debug("profile 0x%02x media_hddvd_rw", cur_profile); - cd_media = 1; - cd_media_hddvd_rw = 1; - break; - case 0x58: - log_debug("profile 0x%02x media_hddvd_r_dl", cur_profile); - cd_media = 1; - cd_media_hddvd_r_dl = 1; - break; - case 0x5A: - log_debug("profile 0x%02x media_hddvd_rw_dl", cur_profile); - cd_media = 1; - cd_media_hddvd_rw_dl = 1; - break; - default: - log_debug("profile 0x%02x <ignored>", cur_profile); - break; - } -} - -static int feature_profiles(const unsigned char *profiles, size_t size) { - unsigned i; +static int feature_profiles(Context *c, const unsigned char *profiles, size_t size) { + int r; - for (i = 0; i+4 <= size; i += 4) { - int profile; + assert(c); - profile = profiles[i] << 8 | profiles[i+1]; - switch (profile) { - case 0x01: - log_debug("profile 0x%02x rw_nonremovable", profile); - cd_rw_nonremovable = 1; - break; - case 0x02: - log_debug("profile 0x%02x rw_removable", profile); - cd_rw_removable = 1; - break; - case 0x03: - log_debug("profile 0x%02x mo_se", profile); - cd_mo = 1; - cd_mo_se = 1; - break; - case 0x04: - log_debug("profile 0x%02x mo_wo", profile); - cd_mo = 1; - cd_mo_wo = 1; - break; - case 0x05: - log_debug("profile 0x%02x mo_as", profile); - cd_mo = 1; - cd_mo_as = 1; - break; - case 0x08: - log_debug("profile 0x%02x cd_rom", profile); - cd_cd_rom = 1; - break; - case 0x09: - log_debug("profile 0x%02x cd_r", profile); - cd_cd_r = 1; - break; - case 0x0A: - log_debug("profile 0x%02x cd_rw", profile); - cd_cd_rw = 1; - break; - case 0x10: - log_debug("profile 0x%02x dvd_rom", profile); - cd_dvd_rom = 1; - break; - case 0x11: - log_debug("profile 0x%02x dvd_r", profile); - cd_dvd_r = 1; - break; - case 0x12: - log_debug("profile 0x%02x dvd_ram", profile); - cd_dvd_ram = 1; - break; - case 0x13: - log_debug("profile 0x%02x dvd_rw_ro", profile); - cd_dvd_rw = 1; - cd_dvd_rw_ro = 1; - break; - case 0x14: - log_debug("profile 0x%02x dvd_rw_seq", profile); - cd_dvd_rw = 1; - cd_dvd_rw_seq = 1; - break; - case 0x15: - log_debug("profile 0x%02x dvd_r_dl_seq", profile); - cd_dvd_r_dl = 1; - cd_dvd_r_dl_seq = 1; - break; - case 0x16: - log_debug("profile 0x%02x dvd_r_dl_jr", profile); - cd_dvd_r_dl = 1; - cd_dvd_r_dl_jr = 1; - break; - case 0x17: - log_debug("profile 0x%02x dvd_rw_dl", profile); - cd_dvd_rw_dl = 1; - break; - case 0x18: - log_debug("profile 0x%02x dvd_r_ddr", profile); - cd_dvd_r = 1; - cd_dvd_r_ddr = 1; - break; - case 0x1B: - log_debug("profile 0x%02x dvd_plus_r", profile); - cd_dvd_plus_r = 1; - break; - case 0x1A: - log_debug("profile 0x%02x dvd_plus_rw", profile); - cd_dvd_plus_rw = 1; - break; - case 0x20: - log_debug("profile 0x%02x ddcd_rom", profile); - cd_ddcd_rom = 1; - break; - case 0x21: - log_debug("profile 0x%02x ddcd_r", profile); - cd_ddcd_r = 1; - break; - case 0x22: - log_debug("profile 0x%02x media_ddcd_rw", profile); - cd_ddcd_rw = 1; - break; - case 0x2A: - log_debug("profile 0x%02x dvd_plus_rw_dl", profile); - cd_dvd_plus_rw_dl = 1; - break; - case 0x2B: - log_debug("profile 0x%02x dvd_plus_r_dl", profile); - cd_dvd_plus_r_dl = 1; - break; - case 0x40: - cd_bd = 1; - log_debug("profile 0x%02x bd", profile); - break; - case 0x41: - cd_bd_r = 1; - cd_bd_r_srm = 1; - log_debug("profile 0x%02x bd_r_srm", profile); - break; - case 0x42: - cd_bd_r = 1; - cd_bd_r_rrm = 1; - log_debug("profile 0x%02x bd_r_rrm", profile); - break; - case 0x43: - cd_bd_re = 1; - log_debug("profile 0x%02x bd_re", profile); - break; - case 0x50: - cd_hddvd = 1; - log_debug("profile 0x%02x hddvd", profile); - break; - case 0x51: - cd_hddvd_r = 1; - log_debug("profile 0x%02x hddvd_r", profile); - break; - case 0x52: - cd_hddvd_ram = 1; - log_debug("profile 0x%02x hddvd_ram", profile); - break; - case 0x53: - cd_hddvd_rw = 1; - log_debug("profile 0x%02x hddvd_rw", profile); - break; - case 0x58: - cd_hddvd_r_dl = 1; - log_debug("profile 0x%02x hddvd_r_dl", profile); - break; - case 0x5A: - cd_hddvd_rw_dl = 1; - log_debug("profile 0x%02x hddvd_rw_dl", profile); - break; - default: - log_debug("profile 0x%02x <ignored>", profile); - break; - } + for (size_t i = 0; i + 4 <= size; i += 4) { + r = set_drive_feature(c, (Feature) (profiles[i] << 8 | profiles[i + 1])); + if (r < 0) + return log_oom_debug(); } - return 0; + + return 1; } static int cd_profiles_old_mmc(Context *c) { @@ -688,9 +372,9 @@ static int cd_profiles_old_mmc(Context *c) { r = scsi_cmd_run_and_log(&sc, c->fd, (unsigned char *)&discinfo, len, "read disc information"); } if (r < 0) { - if (cd_media == 1) { + if (c->has_media) { log_debug("No current profile, but disc is present; assuming CD-ROM."); - cd_media_cd_rom = 1; + c->media_feature = FEATURE_CD_ROM; cd_media_track_count = 1; cd_media_track_count_data = 1; return 1; @@ -699,20 +383,16 @@ static int cd_profiles_old_mmc(Context *c) { "no current profile, assuming no media."); }; - cd_media = 1; + c->has_media = true; - if (discinfo.erasable) { - cd_media_cd_rw = 1; - log_debug("profile 0x0a media_cd_rw"); - } else if (discinfo.disc_status < 2 && cd_cd_r) { - cd_media_cd_r = 1; - log_debug("profile 0x09 media_cd_r"); - } else { - cd_media_cd_rom = 1; - log_debug("profile 0x08 media_cd_rom"); - } + if (discinfo.erasable) + c->media_feature = FEATURE_CD_RW; + else if (discinfo.disc_status < 2 && drive_has_feature(c, FEATURE_CD_R)) + c->media_feature = FEATURE_CD_R; + else + c->media_feature = FEATURE_CD_ROM; - return 1; + return 0; } static int cd_profiles(Context *c) { @@ -721,7 +401,6 @@ static int cd_profiles(Context *c) { unsigned cur_profile = 0; unsigned len; unsigned i; - bool has_media = false; int r; assert(c); @@ -746,10 +425,12 @@ static int cd_profiles(Context *c) { cur_profile = features[6] << 8 | features[7]; if (cur_profile > 0) { log_debug("current profile 0x%02x", cur_profile); - feature_profile_media(cur_profile); - has_media = true; - } else + c->media_feature = (Feature) cur_profile; + c->has_media = true; + } else { log_debug("no current profile, assuming no media"); + c->has_media = false; + } len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3]; log_debug("GET CONFIGURATION: size of features buffer 0x%04x", len); @@ -788,7 +469,7 @@ static int cd_profiles(Context *c) { switch (feature) { case 0x00: log_debug("GET CONFIGURATION: feature 'profiles', with %i entries", features[i+3] / 4); - feature_profiles(&features[i]+4, MIN(features[i+3], len - i - 4)); + feature_profiles(c, &features[i] + 4, MIN(features[i+3], len - i - 4)); break; default: log_debug("GET CONFIGURATION: feature 0x%04x <ignored>, with 0x%02x bytes", feature, features[i+3]); @@ -796,7 +477,7 @@ static int cd_profiles(Context *c) { } } - return has_media; + return c->has_media; } static int cd_media_info(Context *c) { @@ -820,29 +501,29 @@ static int cd_media_info(Context *c) { if (r < 0) return r; - cd_media = 1; + c->has_media = true; log_debug("disk type %02x", header[8]); log_debug("hardware reported media status: %s", media_status[header[2] & 3]); /* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */ - if (!cd_media_cd_rom) + if (c->media_feature != FEATURE_CD_ROM) cd_media_state = media_status[header[2] & 3]; /* fresh DVD-RW in restricted overwrite mode reports itself as * "appendable"; change it to "blank" to make it consistent with what * gets reported after blanking, and what userspace expects */ - if (cd_media_dvd_rw_ro && (header[2] & 3) == 1) + if (c->media_feature == FEATURE_DVD_RW_RO && (header[2] & 3) == 1) cd_media_state = media_status[0]; /* DVD+RW discs (and DVD-RW in restricted mode) once formatted are * always "complete", DVD-RAM are "other" or "complete" if the disc is * write protected; we need to check the contents if it is blank */ - if ((cd_media_dvd_rw_ro || cd_media_dvd_plus_rw || cd_media_dvd_plus_rw_dl || cd_media_dvd_ram) && (header[2] & 3) > 1) { + if (IN_SET(c->media_feature, FEATURE_DVD_RW_RO, FEATURE_DVD_PLUS_RW, FEATURE_DVD_PLUS_RW_DL, FEATURE_DVD_RAM) && (header[2] & 3) > 1) { unsigned char buffer[32 * 2048]; unsigned char len; int offset; - if (cd_media_dvd_ram) { + if (c->media_feature == FEATURE_DVD_RAM) { /* a write protected dvd-ram may report "complete" status */ unsigned char dvdstruct[8]; @@ -892,7 +573,7 @@ static int cd_media_info(Context *c) { break; case 3: - cd_media = 0; //return no media + c->has_media = false; return log_debug_errno(SYNTHETIC_ERRNO(ENOMEDIUM), "format capacities returned no media"); } @@ -909,7 +590,7 @@ static int cd_media_info(Context *c) { scsi_cmd_set(&sc, 9, 0); r = scsi_cmd_run_and_log(&sc, c->fd, buffer, sizeof(buffer), "read first 32 blocks"); if (r < 0) { - cd_media = 0; + c->has_media = false; return r; } @@ -938,7 +619,7 @@ static int cd_media_info(Context *c) { determined: /* "other" is e. g. DVD-RAM, can't append sessions there; DVDs in * restricted overwrite mode can never append, only in sequential mode */ - if ((header[2] & 3) < 2 && !cd_media_dvd_rw_ro) + if ((header[2] & 3) < 2 && c->media_feature != FEATURE_DVD_RW_RO) cd_media_session_next = header[10] << 8 | header[5]; cd_media_session_count = header[9] << 8 | header[4]; cd_media_track_count = header[11] << 8 | header[6]; @@ -1046,6 +727,127 @@ static int open_drive(Context *c) { return 0; } +typedef struct FeatureToString { + Feature feature; + const char *str; +} FeatureToString; + +static const FeatureToString feature_to_string[] = { + { .feature = FEATURE_RW_NONREMOVABLE, .str = "RW_NONREMOVABLE", }, + { .feature = FEATURE_RW_REMOVABLE, .str = "RW_REMOVABLE", }, + + { .feature = FEATURE_MO_SE, .str = "MO_SE", }, + { .feature = FEATURE_MO_WO, .str = "MO_WO", }, + { .feature = FEATURE_MO_AS, .str = "MO_AS", }, + + { .feature = FEATURE_CD_ROM, .str = "CD", }, + { .feature = FEATURE_CD_R, .str = "CD_R", }, + { .feature = FEATURE_CD_RW, .str = "CD_RW", }, + + { .feature = FEATURE_DVD_ROM, .str = "DVD", }, + { .feature = FEATURE_DVD_R, .str = "DVD_R", }, + { .feature = FEATURE_DVD_RAM, .str = "DVD_RAM", }, + { .feature = FEATURE_DVD_RW_RO, .str = "DVD_RW_RO", }, + { .feature = FEATURE_DVD_RW_SEQ, .str = "DVD_RW_SEQ", }, + { .feature = FEATURE_DVD_R_DL_SEQ, .str = "DVD_R_DL_SEQ", }, + { .feature = FEATURE_DVD_R_DL_JR, .str = "DVD_R_DL_JR", }, + { .feature = FEATURE_DVD_RW_DL, .str = "DVD_RW_DL", }, + { .feature = FEATURE_DVD_R_DDR, .str = "DVD_R_DDR", }, + { .feature = FEATURE_DVD_PLUS_RW, .str = "DVD_PLUS_RW", }, + { .feature = FEATURE_DVD_PLUS_R, .str = "DVD_PLUS_R", }, + + { .feature = FEATURE_DDCD_ROM, .str = "DDCD", }, + { .feature = FEATURE_DDCD_R, .str = "DDCD_R", }, + { .feature = FEATURE_DDCD_RW, .str = "DDCD_RW", }, + + { .feature = FEATURE_DVD_PLUS_RW_DL, .str = "DVD_PLUS_RW_DL", }, + { .feature = FEATURE_DVD_PLUS_R_DL, .str = "DVD_PLUS_R_DL", }, + + { .feature = FEATURE_BD, .str = "BD", }, + { .feature = FEATURE_BD_R_SRM, .str = "BD_R_SRM", }, + { .feature = FEATURE_BD_R_RRM, .str = "BD_R_RRM", }, + { .feature = FEATURE_BD_RE, .str = "BD_RE", }, + + { .feature = FEATURE_HDDVD, .str = "HDDVD", }, + { .feature = FEATURE_HDDVD_R, .str = "HDDVD_R", }, + { .feature = FEATURE_HDDVD_RAM, .str = "HDDVD_RAM", }, + { .feature = FEATURE_HDDVD_RW, .str = "HDDVD_RW", }, + { .feature = FEATURE_HDDVD_R_DL, .str = "HDDVD_R_DL", }, + { .feature = FEATURE_HDDVD_RW_DL, .str = "HDDVD_RW_DL", }, + + { .feature = FEATURE_MRW, .str = "MRW", }, + { .feature = FEATURE_MRW_W, .str = "MRW_W", }, +}; + +static int feature_to_string_compare_func(const FeatureToString *a, const FeatureToString *b) { + assert(a); + assert(b); + + return CMP(a->feature, b->feature); +} + +static void print_feature(Feature feature, const char *prefix) { + FeatureToString *found, in = { + .feature = feature, + }; + + assert(prefix); + + found = typesafe_bsearch(&in, feature_to_string, ELEMENTSOF(feature_to_string), feature_to_string_compare_func); + if (!found) + return (void) log_debug("Unknown feature 0x%02x, ignoring", (unsigned) feature); + + printf("%s_%s=1\n", prefix, found->str); +} + +static void print_properties(const Context *c) { + assert(c); + + printf("ID_CDROM=1\n"); + for (size_t i = 0; i < c->n_drive_feature; i++) + print_feature(c->drive_features[i], "ID_CDROM"); + + if (drive_has_feature(c, FEATURE_MO_SE) || + drive_has_feature(c, FEATURE_MO_WO) || + drive_has_feature(c, FEATURE_MO_AS)) + printf("ID_CDROM_MO=1\n"); + + if (drive_has_feature(c, FEATURE_DVD_RW_RO) || + drive_has_feature(c, FEATURE_DVD_RW_SEQ)) + printf("ID_CDROM_DVD_RW=1\n"); + + if (drive_has_feature(c, FEATURE_DVD_R_DL_SEQ) || + drive_has_feature(c, FEATURE_DVD_R_DL_JR)) + printf("ID_CDROM_DVD_R_DL=1\n"); + + if (drive_has_feature(c, FEATURE_DVD_R_DDR)) + printf("ID_CDROM_DVD_R=1\n"); + + if (drive_has_feature(c, FEATURE_BD_R_SRM) || + drive_has_feature(c, FEATURE_BD_R_RRM)) + printf("ID_CDROM_BD_R=1\n"); + + if (c->has_media) { + printf("ID_CDROM_MEDIA=1\n"); + print_feature(c->media_feature, "ID_CDROM_MEDIA"); + + if (IN_SET(c->media_feature, FEATURE_MO_SE, FEATURE_MO_WO, FEATURE_MO_AS)) + printf("ID_CDROM_MEDIA_MO=1\n"); + + if (IN_SET(c->media_feature, FEATURE_DVD_RW_RO, FEATURE_DVD_RW_SEQ)) + printf("ID_CDROM_MEDIA_DVD_RW=1\n"); + + if (IN_SET(c->media_feature, FEATURE_DVD_R_DL_SEQ, FEATURE_DVD_R_DL_JR)) + printf("ID_CDROM_MEDIA_DVD_R_DL=1\n"); + + if (c->media_feature == FEATURE_DVD_R_DDR) + printf("ID_CDROM_MEDIA_DVD_R=1\n"); + + if (IN_SET(c->media_feature, FEATURE_BD_R_SRM, FEATURE_BD_R_RRM)) + printf("ID_CDROM_MEDIA_BD_R=1\n"); + } +} + static int help(void) { printf("Usage: %s [options] <device>\n" " -l --lock-media lock the media (to enable eject request events)\n" @@ -1149,12 +951,12 @@ int main(int argc, char *argv[]) { work: /* lock the media, so we enable eject button events */ - if (arg_lock && cd_media) { + if (arg_lock && c.has_media) { log_debug("PREVENT_ALLOW_MEDIUM_REMOVAL (lock)"); media_lock(c.fd, true); } - if (arg_unlock && cd_media) { + if (arg_unlock && c.has_media) { log_debug("PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)"); media_lock(c.fd, false); } @@ -1166,166 +968,7 @@ work: media_eject(c.fd); } - printf("ID_CDROM=1\n"); - if (cd_rw_nonremovable) - printf("ID_CDROM_RW_NONREMOVABLE=1\n"); - if (cd_rw_removable) - printf("ID_CDROM_RW_REMOVABLE=1\n"); - if (cd_cd_rom) - printf("ID_CDROM_CD=1\n"); - if (cd_cd_r) - printf("ID_CDROM_CD_R=1\n"); - if (cd_cd_rw) - printf("ID_CDROM_CD_RW=1\n"); - if (cd_ddcd_rom) - printf("ID_CDROM_DDCD=1\n"); - if (cd_ddcd_r) - printf("ID_CDROM_DDCD_R=1\n"); - if (cd_ddcd_rw) - printf("ID_CDROM_DDCD_RW=1\n"); - if (cd_dvd_rom) - printf("ID_CDROM_DVD=1\n"); - if (cd_dvd_r) - printf("ID_CDROM_DVD_R=1\n"); - if (cd_dvd_r_ddr) - printf("ID_CDROM_DVD_R_DDR=1\n"); - if (cd_dvd_r_dl) - printf("ID_CDROM_DVD_R_DL=1\n"); - if (cd_dvd_r_dl_seq) - printf("ID_CDROM_DVD_R_DL_SEQ=1\n"); - if (cd_dvd_r_dl_jr) - printf("ID_CDROM_DVD_R_DL_JR=1\n"); - if (cd_dvd_rw) - printf("ID_CDROM_DVD_RW=1\n"); - if (cd_dvd_rw_ro) - printf("ID_CDROM_DVD_RW_RO=1\n"); - if (cd_dvd_rw_seq) - printf("ID_CDROM_DVD_RW_SEQ=1\n"); - if (cd_dvd_rw_dl) - printf("ID_CDROM_DVD_RW_DL=1\n"); - if (cd_dvd_ram) - printf("ID_CDROM_DVD_RAM=1\n"); - if (cd_dvd_plus_r) - printf("ID_CDROM_DVD_PLUS_R=1\n"); - if (cd_dvd_plus_rw) - printf("ID_CDROM_DVD_PLUS_RW=1\n"); - if (cd_dvd_plus_r_dl) - printf("ID_CDROM_DVD_PLUS_R_DL=1\n"); - if (cd_dvd_plus_rw_dl) - printf("ID_CDROM_DVD_PLUS_RW_DL=1\n"); - if (cd_bd) - printf("ID_CDROM_BD=1\n"); - if (cd_bd_r) - printf("ID_CDROM_BD_R=1\n"); - if (cd_bd_r_srm) - printf("ID_CDROM_BD_R_SRM=1\n"); - if (cd_bd_r_rrm) - printf("ID_CDROM_BD_R_RRM=1\n"); - if (cd_bd_re) - printf("ID_CDROM_BD_RE=1\n"); - if (cd_hddvd) - printf("ID_CDROM_HDDVD=1\n"); - if (cd_hddvd_r) - printf("ID_CDROM_HDDVD_R=1\n"); - if (cd_hddvd_r_dl) - printf("ID_CDROM_HDDVD_R_DL=1\n"); - if (cd_hddvd_ram) - printf("ID_CDROM_HDDVD_RAM=1\n"); - if (cd_hddvd_rw) - printf("ID_CDROM_HDDVD_RW=1\n"); - if (cd_hddvd_rw_dl) - printf("ID_CDROM_HDDVD_RW_DL=1\n"); - if (cd_mo) - printf("ID_CDROM_MO=1\n"); - if (cd_mo_se) - printf("ID_CDROM_MO_SE=1\n"); - if (cd_mo_wo) - printf("ID_CDROM_MO_WO=1\n"); - if (cd_mo_as) - printf("ID_CDROM_MO_AS=1\n"); - if (cd_mrw) - printf("ID_CDROM_MRW=1\n"); - if (cd_mrw_w) - printf("ID_CDROM_MRW_W=1\n"); - - if (cd_media) - printf("ID_CDROM_MEDIA=1\n"); - if (cd_media_rw_nonremovable) - printf("ID_CDROM_MEDIA_RW_NONREMOVABLE=1\n"); - if (cd_media_rw_removable) - printf("ID_CDROM_MEDIA_RW_REMOVABLE=1\n"); - if (cd_media_mo) - printf("ID_CDROM_MEDIA_MO=1\n"); - if (cd_media_mo_se) - printf("ID_CDROM_MEDIA_MO_SE=1\n"); - if (cd_media_mo_wo) - printf("ID_CDROM_MEDIA_MO_WO=1\n"); - if (cd_media_mo_as) - printf("ID_CDROM_MEDIA_MO_AS=1\n"); - if (cd_media_mrw) - printf("ID_CDROM_MEDIA_MRW=1\n"); - if (cd_media_mrw_w) - printf("ID_CDROM_MEDIA_MRW_W=1\n"); - if (cd_media_cd_rom) - printf("ID_CDROM_MEDIA_CD=1\n"); - if (cd_media_cd_r) - printf("ID_CDROM_MEDIA_CD_R=1\n"); - if (cd_media_cd_rw) - printf("ID_CDROM_MEDIA_CD_RW=1\n"); - if (cd_media_ddcd_rom) - printf("ID_CDROM_MEDIA_DDCD=1\n"); - if (cd_media_ddcd_r) - printf("ID_CDROM_MEDIA_DDCD_R=1\n"); - if (cd_media_ddcd_rw) - printf("ID_CDROM_MEDIA_DDCD_RW=1\n"); - if (cd_media_dvd_rom) - printf("ID_CDROM_MEDIA_DVD=1\n"); - if (cd_media_dvd_r) - printf("ID_CDROM_MEDIA_DVD_R=1\n"); - if (cd_media_dvd_r_ddr) - printf("ID_CDROM_MEDIA_DVD_R_DDR=1\n"); - if (cd_media_dvd_r_dl) - printf("ID_CDROM_MEDIA_DVD_R_DL=1\n"); - if (cd_media_dvd_r_dl_seq) - printf("ID_CDROM_MEDIA_DVD_R_DL_SEQ=1\n"); - if (cd_media_dvd_r_dl_jr) - printf("ID_CDROM_MEDIA_DVD_R_DL_JR=1\n"); - if (cd_media_dvd_ram) - printf("ID_CDROM_MEDIA_DVD_RAM=1\n"); - if (cd_media_dvd_rw) - printf("ID_CDROM_MEDIA_DVD_RW=1\n"); - if (cd_media_dvd_rw_dl) - printf("ID_CDROM_MEDIA_DVD_RW_DL=1\n"); - if (cd_media_dvd_plus_r) - printf("ID_CDROM_MEDIA_DVD_PLUS_R=1\n"); - if (cd_media_dvd_plus_rw) - printf("ID_CDROM_MEDIA_DVD_PLUS_RW=1\n"); - if (cd_media_dvd_plus_rw_dl) - printf("ID_CDROM_MEDIA_DVD_PLUS_RW_DL=1\n"); - if (cd_media_dvd_plus_r_dl) - printf("ID_CDROM_MEDIA_DVD_PLUS_R_DL=1\n"); - if (cd_media_bd) - printf("ID_CDROM_MEDIA_BD=1\n"); - if (cd_media_bd_r) - printf("ID_CDROM_MEDIA_BD_R=1\n"); - if (cd_media_bd_r_srm) - printf("ID_CDROM_MEDIA_BD_R_SRM=1\n"); - if (cd_media_bd_r_rrm) - printf("ID_CDROM_MEDIA_BD_R_RRM=1\n"); - if (cd_media_bd_re) - printf("ID_CDROM_MEDIA_BD_RE=1\n"); - if (cd_media_hddvd) - printf("ID_CDROM_MEDIA_HDDVD=1\n"); - if (cd_media_hddvd_r) - printf("ID_CDROM_MEDIA_HDDVD_R=1\n"); - if (cd_media_hddvd_r_dl) - printf("ID_CDROM_MEDIA_HDDVD_R_DL=1\n"); - if (cd_media_hddvd_ram) - printf("ID_CDROM_MEDIA_HDDVD_RAM=1\n"); - if (cd_media_hddvd_rw) - printf("ID_CDROM_MEDIA_HDDVD_RW=1\n"); - if (cd_media_hddvd_rw_dl) - printf("ID_CDROM_MEDIA_HDDVD_RW_DL=1\n"); + print_properties(&c); if (cd_media_state) printf("ID_CDROM_MEDIA_STATE=%s\n", cd_media_state); |