diff options
Diffstat (limited to 'kioslave/iso/libisofs/isofs.c')
| -rw-r--r-- | kioslave/iso/libisofs/isofs.c | 876 |
1 files changed, 876 insertions, 0 deletions
diff --git a/kioslave/iso/libisofs/isofs.c b/kioslave/iso/libisofs/isofs.c new file mode 100644 index 000000000..ab13d9eb9 --- /dev/null +++ b/kioslave/iso/libisofs/isofs.c @@ -0,0 +1,876 @@ +/*************************************************************************** + isofs.c - libisofs + implementation + ------------------- + begin : Oct 25 2002 + copyright : (C) 2002 by Szombathelyi Gy�gy + email : gyurco@users.sourceforge.net + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + +#include <errno.h> +#include <stdlib.h> +#include <string.h> + +#include "isofs.h" + +/**************************************************************/ + + +/* internal function from the linux kernel (isofs fs) */ +static time_t getisotime(int year,int month,int day,int hour, + int minute,int second,int tz) { + + int days, i; + time_t crtime; + + year-=1970; + + if (year < 0) { + crtime = 0; + } else { + int monlen[12] = {31,28,31,30,31,30,31,31,30,31,30,31}; + + days = year * 365; + if (year > 2) + days += (year+1) / 4; + for (i = 1; i < month; i++) + days += monlen[i-1]; + if (((year+2) % 4) == 0 && month > 2) + days++; + days += day - 1; + crtime = ((((days * 24) + hour) * 60 + minute) * 60) + + second; + + /* sign extend */ + if (tz & 0x80) + tz |= (-1 << 8); + + /* + * The timezone offset is unreliable on some disks, + * so we make a sanity check. In no case is it ever + * more than 13 hours from GMT, which is 52*15min. + * The time is always stored in localtime with the + * timezone offset being what get added to GMT to + * get to localtime. Thus we need to subtract the offset + * to get to true GMT, which is what we store the time + * as internally. On the local system, the user may set + * their timezone any way they wish, of course, so GMT + * gets converted back to localtime on the receiving + * system. + * + * NOTE: mkisofs in versions prior to mkisofs-1.10 had + * the sign wrong on the timezone offset. This has now + * been corrected there too, but if you are getting screwy + * results this may be the explanation. If enough people + * complain, a user configuration option could be added + * to add the timezone offset in with the wrong sign + * for 'compatibility' with older discs, but I cannot see how + * it will matter that much. + * + * Thanks to kuhlmav@elec.canterbury.ac.nz (Volker Kuhlmann) + * for pointing out the sign error. + */ + if (-52 <= tz && tz <= 52) + crtime -= tz * 15 * 60; + } + return crtime; + +} + +/** + * Returns the Unix from the ISO9660 9.1.5 time format + */ +time_t isodate_915(char * p, int hs) { + + return getisotime(1900+p[0],p[1],p[2],p[3],p[4],p[5],hs==0 ? p[6] : 0); +} + +/** + * Returns the Unix from the ISO9660 8.4.26.1 time format + * BUG: hundredth of seconds are ignored, because Unix time_t has one second + * resolution (I think it's no problem at all) + */ +time_t isodate_84261(char * p, int hs) { + int year,month,day,hour,minute,second; + year=(p[0]-'0')*1000 + (p[1]-'0')*100 + (p[2]-'0')*10 + p[3]-'0'; + month=(p[4]-'0')*10 + (p[5]-'0'); + day=(p[6]-'0')*10 + (p[7]-'0'); + hour=(p[8]-'0')*10 + (p[9]-'0'); + minute=(p[10]-'0')*10 + (p[11]-'0'); + second=(p[12]-'0')*10 + (p[13]-'0'); + return getisotime(year,month,day,hour,minute,second,hs==0 ? p[16] : 0); +} + +void FreeBootTable(boot_head *boot) { + boot_entry *be,*next; + + be=boot->defentry; + while (be) { + next=be->next; + free(be); + be=next; + } + boot->defentry=NULL; +} + +int BootImageSize(int media,int len) { + int ret; + + switch(media & 0xf) { + case 0: + ret=len; /* No emulation */ + break; + case 1: + ret=80*2*15; /* 1.2 MB */ + break; + case 2: + ret=80*2*18; /* 1.44 MB */ + break; + case 3: + ret=80*2*36; /* 2.88 MB */ + break; + case 4: + /* FIXME!!! */ + ret=len; /* Hard Disk */ + break; + default: + ret=len; + } + return ret; +} + +static boot_entry *CreateBootEntry(char *be) { + boot_entry *entry; + + entry = (boot_entry*) malloc(sizeof(boot_entry)); + if (!entry) return NULL; + memset(entry, 0, sizeof(boot_entry)); + memcpy(entry->data,be,0x20); + return entry; +} + +int ReadBootTable(readfunc *read,int sector, boot_head *head, void *udata) { + + char buf[2048], *c, *be; + int i,end=0; + unsigned short sum; + boot_entry *defcur=NULL,*deflast=NULL; + register struct validation_entry *ventry=NULL; + + head->sections=NULL; + head->defentry=NULL; + while (1) { + be = (char*) &buf; + if ( read(be, sector, 1, udata) != 1 ) goto err; + + /* first entry needs to be a validation entry */ + if (!ventry) { + ventry=(struct validation_entry *) be; + if ( isonum_711(ventry->type) !=1 ) goto err; + sum=0; + c = (char*) ventry; + for (i=0;i<16;i++) { sum += isonum_721(c); c+=2; } + if (sum) goto err; + memcpy(&head->ventry,be,0x20); + be += 0x20; + } + + while (!end && (be < (char *)(&buf+1))) { + switch (isonum_711(be)) { + case 0x88: + defcur=CreateBootEntry(be); + if (!defcur) goto err; + if (deflast) + deflast->next=defcur; + else + head->defentry=defcur; + defcur->prev=deflast; + deflast=defcur; + break; + case 0x90: + case 0x91: + break; + default: + end=1; + break; + } + be += 0x20; + } + if (end) break; + + sector ++; + } + + return 0; + +err: + FreeBootTable(head); + return -1; +} + + +/** + * Creates the linked list of the volume descriptors + */ +iso_vol_desc *ReadISO9660(readfunc *read,int sector,void *udata) { + + int i; + struct iso_volume_descriptor buf; + iso_vol_desc *first=NULL,*current=NULL,*prev=NULL; + + for (i=0;i<100;i++) { + if (read( (char*) &buf, sector+i+16, 1, udata) != 1 ) { + FreeISO9660(first); + return NULL; + } + if (!memcmp(ISO_STANDARD_ID,&buf.id,5)) { + switch ( isonum_711(&buf.type[0]) ) { + + case ISO_VD_BOOT: + case ISO_VD_PRIMARY: + case ISO_VD_SUPPLEMENTARY: + current=(iso_vol_desc*) malloc(sizeof(iso_vol_desc)); + if (!current) { + FreeISO9660(first); + return NULL; + } + current->prev=prev; + current->next=NULL; + if (prev) prev->next=current; + memcpy(&(current->data),&buf,2048); + if (!first) first=current; + prev=current; + break; + + case ISO_VD_END: + return first; + break; + } + } else if (!memcmp(HS_STANDARD_ID,(struct hs_volume_descriptor*) &buf,5)) { + /* High Sierra format not supported (yet) */ + } + } + + return first; +} + +/** + * Frees the linked list of volume descriptors + */ +void FreeISO9660(iso_vol_desc *data) { + + iso_vol_desc *current; + + + while (data) { + current=data; + data=current->next; + free(current); + } +} + +/** + * Frees the strings in 'rrentry' + */ +void FreeRR(rr_entry *rrentry) { + if (rrentry->name) { + free(rrentry->name); + rrentry->name=NULL; + } + if (rrentry->sl) { + free(rrentry->sl); + rrentry->name=NULL; + } +} + +static int str_nappend(char **d,char *s,int n) { + int i=0; + char *c; + +/* i=strnlen(s,n)+1; */ + while (i<n && s[i]) i++; + i++; + if (*d) i+=(strlen(*d)+1); + c=(char*) malloc(i); + if (!c) return -ENOMEM; + if (*d) { + strcpy(c,*d); + strncat(c,s,n); + + free(*d); + } else + strncpy(c,s,n); + c[i-1]=0; + *d=c; + return 0; +} + +static int str_append(char **d,char *s) { + int i; + char *c; + + i=strlen(s)+1; + if (*d) i+=(strlen(*d)+1); + c=(char*) malloc(i); + if (!c) return -ENOMEM; + if (*d) { + strcpy(c,*d); + strcat(c,s); + free(*d); + } else + strcpy(c,s); + c[i-1]=0; + *d=c; + return 0; +} + +#define rrtlen(c) (((unsigned char) c & 0x80) ? 17 : 7) +#define rrctime(f,c) ((unsigned char) f & 0x80) ? isodate_84261(c,0) : isodate_915(c,0) +/** + * Parses the System Use area and fills rr_entry with values + */ +int ParseRR(struct iso_directory_record *idr, rr_entry *rrentry) { + + int suspoffs,susplen,i,f,ret=0; + char *r, *c; + struct rock_ridge *rr; + + suspoffs=33+isonum_711(idr->name_len); + if (!(isonum_711(idr->name_len) & 1)) suspoffs++; + susplen=isonum_711(idr->length)-suspoffs; + r= & (((char*) idr)[suspoffs]); + rr = (struct rock_ridge*) r; + + memset(rrentry,0,sizeof(rr_entry)); + rrentry->len = sizeof(rr_entry); + + while (susplen > 0) { + if (isonum_711(&rr->len) > susplen || rr->len == 0) break; + if (rr->signature[0]=='N' && rr->signature[1]=='M') { + if (!(rr->u.NM.flags & 0x26) && rr->len>5 && !rrentry->name) { + + if (str_nappend(&rrentry->name,rr->u.NM.name,isonum_711(&rr->len)-5)) { + FreeRR(rrentry); return -ENOMEM; + } + ret++; + } + } else if (rr->signature[0]=='P' && rr->signature[1]=='X' && + (isonum_711(&rr->len)==44 || isonum_711(&rr->len)==36)) { + rrentry->mode=isonum_733(rr->u.PX.mode); + rrentry->nlink=isonum_733(rr->u.PX.n_links); + rrentry->uid=isonum_733(rr->u.PX.uid); + rrentry->gid=isonum_733(rr->u.PX.gid); + if (isonum_711(&rr->len)==44) rrentry->serno=isonum_733(rr->u.PX.serno); + ret++; + } else if (rr->signature[0]=='P' && rr->signature[1]=='N' && + isonum_711(&rr->len)==20) { + rrentry->dev_major=isonum_733(rr->u.PN.dev_high); + rrentry->dev_minor=isonum_733(rr->u.PN.dev_low); + ret++; + } else if (rr->signature[0]=='P' && rr->signature[1]=='L' && + isonum_711(&rr->len)==12) { + rrentry->pl=isonum_733(rr->u.PL.location); + ret++; + } else if (rr->signature[0]=='C' && rr->signature[1]=='L' && + isonum_711(&rr->len)==12) { + rrentry->cl=isonum_733(rr->u.CL.location); + ret++; + } else if (rr->signature[0]=='R' && rr->signature[1]=='E' && + isonum_711(&rr->len)==4) { + rrentry->re=1; + ret++; + } else if (rr->signature[0]=='S' && rr->signature[1]=='L' && + isonum_711(&rr->len)>7) { + i = isonum_711(&rr->len)-5; + c = (char*) rr; + c += 5; + while (i>0) { + switch(c[0] & ~1) { + case 0x2: + if (str_append(&rrentry->sl,(char *)".")) { + FreeRR(rrentry); return -ENOMEM; + } + break; + case 0x4: + if (str_append(&rrentry->sl,(char *)"..")) { + FreeRR(rrentry); return -ENOMEM; + } + break; + } + if ( (c[0] & 0x08) == 0x08 || (c[1] && rrentry->sl && + strlen(rrentry->sl)>1) ) { + if (str_append(&rrentry->sl,(char *)"/")) { + FreeRR(rrentry); return -ENOMEM; + } + } + + if ((unsigned char)c[1]>0) { + if (str_nappend(&rrentry->sl,c+2,(unsigned char)c[1])) { + FreeRR(rrentry); return -ENOMEM; + } + } + i -= ((unsigned char)c[1] + 2); + c += ((unsigned char)c[1] + 2); + } + ret++; + } else if (rr->signature[0]=='T' && rr->signature[1]=='F' && + isonum_711(&rr->len)>5) { + + i = isonum_711(&rr->len)-5; + f = rr->u.TF.flags; + c = (char*) rr; + c += 5; + + while (i >= rrtlen(f)) { + if (f & 1) { + rrentry->t_creat=rrctime(f,c); + f &= ~1; + } else if (f & 2) { + rrentry->t_mtime=rrctime(f,c); + f &= ~2; + } else if (f & 4) { + rrentry->t_atime=rrctime(f,c); + f &= ~4; + } else if (f & 8) { + rrentry->t_ctime=rrctime(f,c); + f &= ~8; + } else if (f & 16) { + rrentry->t_backup=rrctime(f,c); + f &= ~16; + } else if (f & 32) { + rrentry->t_expire=rrctime(f,c); + f &= ~32; + } else if (f & 64) { + rrentry->t_effect=rrctime(f,c); + f &= ~64; + } + + i -= rrtlen(f); + c += rrtlen(f); + } + ret++; + + } else if (rr->signature[0]=='Z' && rr->signature[1]=='F' && + isonum_711(&rr->len)==16) { + /* Linux-specific extension: transparent decompression */ + rrentry->z_algo[0]=rr->u.ZF.algorithm[0]; + rrentry->z_algo[1]=rr->u.ZF.algorithm[1]; + rrentry->z_params[0]=rr->u.ZF.parms[0]; + rrentry->z_params[1]=rr->u.ZF.parms[1]; + rrentry->z_size=isonum_733(rr->u.ZF.real_size); + ret++; + } else { +/* printf("SUSP sign: %c%c\n",rr->signature[0],rr->signature[1]); */ + } + + susplen -= isonum_711(&rr->len); + r += isonum_711(&rr->len); + rr = (struct rock_ridge*) r; + } + + return ret; +} + +/** + * Iterates over the directory entries. The directory is in 'buf', + * the size of the directory is 'size'. 'callback' is called for each + * directory entry with the parameter 'udata'. + */ +int ProcessDir(readfunc *read,int extent,int size,dircallback *callback,void *udata) { + + int pos=0,ret=0,siz; + char *buf; + struct iso_directory_record *idr; + + if (size & 2047) { + siz=((size>>11)+1)<<11; + } else { + siz=size; + } + + buf=(char*) malloc(siz); + if (!buf) return -ENOMEM; + if (read(buf,extent,siz>>11,udata)!=siz>>11) { + free(buf); + return -EIO; + } + + while (size>0) { + idr=(struct iso_directory_record*) &buf[pos]; + if (isonum_711(idr->length)==0) { + + size-=(2048 - (pos & 0x7ff)); + if (size<=2) break; + pos+=0x800; + pos&=0xfffff800; + idr=(struct iso_directory_record*) &buf[pos]; + } + pos+=isonum_711(idr->length); + pos+=isonum_711(idr->ext_attr_length); + size-=isonum_711(idr->length); + size-=isonum_711(idr->ext_attr_length); + if (size<0) break; + + if (isonum_711(idr->length) +<33 || + isonum_711(idr->length)<33+isonum_711(idr->name_len)) { + /* Invalid directory entry */ + continue; + } + if ((ret=callback(idr,udata))) break; + } + + free(buf); + return ret; +} + +/** + * returns the joliet level from the volume descriptor + */ +int JolietLevel(struct iso_volume_descriptor *ivd) { + int ret=0; + register struct iso_supplementary_descriptor *isd; + + isd = (struct iso_supplementary_descriptor *) ivd; + + if (isonum_711(ivd->type)==ISO_VD_SUPPLEMENTARY) { + if (isd->escape[0]==0x25 && + isd->escape[1]==0x2f) { + + switch (isd->escape[2]) { + case 0x40: + ret=1; + break; + case 0x43: + ret=2; + break; + case 0x45: + ret=3; + break; + } + } + } + return ret; +} + +/********************************************************************/ +#ifdef ISOFS_MAIN + +#include <time.h> +#include <fcntl.h> +#include <stdio.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <iconv.h> + +int level=0,joliet=0,dirs,files; +iconv_t iconv_d; +int fd; + +int readf(char *buf, int start, int len,void *udata) { + int ret; + + if ((ret=lseek(fd, start << 11, SEEK_SET))<0) return ret; + ret=read(fd, buf, len << 11); + if (ret<0) return ret; + return (ret >> 11); +} + +void dumpchars(char *c,int len) { + while (len>0) { + printf("%c",*c); + len--; + c++; + } +} + +void sp(int num) { + int i; + for (i=0;i<num*5;i++) { printf(" "); }; +} + +void dumpflags(char flags) { + if (flags & 1) printf("HIDDEN "); + if (flags & 2) printf("DIR "); + if (flags & 4) printf("ASF "); +} + +void dumpjoliet(char *c,int len) { + + char outbuf[255]; + size_t out; + int ret; + char *outptr; + + outptr=(char*) &outbuf; + out=255; + if ((iconv(iconv_d,&c,&len,&outptr,&out))<0) { + printf("conversion error=%d",errno); + return; + } + ret=255-out; + dumpchars((char*) &outbuf,ret); +} + +void dumpchardesc(char *c,int len) { + + if (joliet) + dumpjoliet(c,len); + else { + dumpchars(c,len); + } +} + +void dumpiso915time(char *t, int hs) { + + time_t time; + char *c; + + time=isodate_915(t,hs); + c=(char*) ctime(&time); + if (c && c[strlen(c)-1]==0x0a) c[strlen(c)-1]=0; + if (c) printf("%s",c); +} + +void dumpiso84261time(char *t, int hs) { + + time_t time; + char *c; + + time=isodate_84261(t,hs); + c=(char*) ctime(&time); + if (c && c[strlen(c)-1]==0x0a) c[strlen(c)-1]=0; + if (c) printf("%s",c); +} + +void dumpdirrec(struct iso_directory_record *dir) { + + if (isonum_711(dir->name_len)==1) { + switch (dir->name[0]) { + case 0: + printf("."); + break; + case 1: + printf(".."); + break; + default: + printf("%c",dir->name[0]); + break; + } + } + dumpchardesc(dir->name,isonum_711(dir->name_len)); + printf(" size=%d",isonum_733(dir->size)); + printf(" extent=%d ",isonum_733(dir->extent)); + dumpflags(isonum_711(dir->flags)); + dumpiso915time((char*) &(dir->date),0); +} + +void dumprrentry(rr_entry *rr) { + printf(" NM=[%s] uid=%d gid=%d nlink=%d mode=%o ", + rr->name,rr->uid,rr->gid,rr->nlink,rr->mode); + if (S_ISCHR(rr->mode) || S_ISBLK(rr->mode)) + printf("major=%d minor=%d ",rr->dev_major,rr->dev_minor); + if (rr->mode & S_IFLNK && rr->sl) printf("slink=%s ",rr->sl); +/* + printf("\n"); + if (rr->t_creat) printf("t_creat: %s",ctime(&rr->t_creat)); + if (rr->st_mtime) printf("st_mtime: %s",ctime(&rr->st_mtime)); + if (rr->st_atime) printf("st_atime: %s",ctime(&rr->st_atime)); + if (rr->st_ctime) printf("st_ctime: %s",ctime(&rr->st_ctime)); + if (rr->t_backup) printf("t_backup: %s",ctime(&rr->t_backup)); + if (rr->t_expire) printf("t_expire: %s",ctime(&rr->t_expire)); + if (rr->t_effect) printf("t_effect: %s",ctime(&rr->t_effect)); +*/ +} + +void dumpsusp(char *c, int len) { + dumpchars(c,len); +} + +void dumpboot(struct el_torito_boot_descriptor *ebd) { + printf("version: %d\n",isonum_711(ebd->version)); + printf("system id: ");dumpchars(ebd->system_id,ISODCL(8,39));printf("\n"); + printf("boot catalog start: %d\n",isonum_731(ebd->boot_catalog)); +} + +void dumpdefentry(struct default_entry *de) { + printf("Default entry: \n"); + printf(" bootid=%x\n",isonum_711(de->bootid)); + printf(" media emulation=%d (",isonum_711(de->media)); + switch(isonum_711(de->media) & 0xf) { + case 0: + printf("No emulation"); + break; + case 1: + printf("1.2 Mb floppy"); + break; + case 2: + printf("1.44 Mb floppy"); + break; + case 3: + printf("2.88 Mb floppy"); + break; + case 4: + printf("Hard Disk"); + break; + default: + printf("Unknown/Invalid"); + break; + } + printf(")\n"); + printf(" loadseg=%d\n",isonum_721(de->loadseg)); + printf(" systype=%d\n",isonum_711(de->systype)); + printf(" start lba=%d count=%d\n",isonum_731(de->start), + isonum_721(de->seccount)); +} + +void dumpbootcat(boot_head *bh) { + boot_entry *be; + + printf("System id: ");dumpchars(bh->ventry.id,ISODCL(28,5));printf("\n"); + be=bh->defentry; + while (be) { + dumpdefentry(be->data); + be=be->next; + } +} + +void dumpdesc(struct iso_primary_descriptor *ipd) { + + printf("system id: ");dumpchardesc(ipd->system_id,ISODCL(9,40));printf("\n"); + printf("volume id: ");dumpchardesc(ipd->volume_id,ISODCL(41,72));printf("\n"); + printf("volume space size: %d\n",isonum_733(ipd->volume_space_size)); + printf("volume set size: %d\n",isonum_723(ipd->volume_set_size)); + printf("volume seq num: %d\n",isonum_723(ipd->volume_set_size)); + printf("logical block size: %d\n",isonum_723(ipd->logical_block_size)); + printf("path table size: %d\n",isonum_733(ipd->path_table_size)); + printf("location of type_l path table: %d\n",isonum_731(ipd->type_l_path_table)); + printf("location of optional type_l path table: %d\n",isonum_731(ipd->opt_type_l_path_table)); + printf("location of type_m path table: %d\n",isonum_732(ipd->type_m_path_table)); + printf("location of optional type_m path table: %d\n",isonum_732(ipd->opt_type_m_path_table)); +/* + printf("Root dir record:\n");dumpdirrec((struct iso_directory_record*) &ipd->root_directory_record); +*/ + printf("Volume set id: ");dumpchardesc(ipd->volume_set_id,ISODCL(191,318));printf("\n"); + printf("Publisher id: ");dumpchardesc(ipd->publisher_id,ISODCL(319,446));printf("\n"); + printf("Preparer id: ");dumpchardesc(ipd->preparer_id,ISODCL(447,574));printf("\n"); + printf("Application id: ");dumpchardesc(ipd->application_id,ISODCL(575,702));printf("\n"); + printf("Copyright id: ");dumpchardesc(ipd->copyright_file_id,ISODCL(703,739));printf("\n"); + printf("Abstract file id: ");dumpchardesc(ipd->abstract_file_id,ISODCL(740,776));printf("\n"); + printf("Bibliographic file id: ");dumpchardesc(ipd->bibliographic_file_id,ISODCL(777,813));printf("\n"); + printf("Volume creation date: ");dumpiso84261time(ipd->creation_date,0);printf("\n"); + printf("Volume modification date: ");dumpiso84261time(ipd->modification_date,0);printf("\n"); + printf("Volume expiration date: ");dumpiso84261time(ipd->expiration_date,0);printf("\n"); + printf("Volume effective date: ");dumpiso84261time(ipd->effective_date,0);printf("\n"); + printf("File structure version: %d\n",isonum_711(ipd->file_structure_version)); +} + +int mycallb(struct iso_directory_record *idr,void *udata) { + rr_entry rrentry; + + sp(level);dumpdirrec(idr); + if (level==0) printf(" (Root directory) "); + printf("\n"); + + if (ParseRR(idr,&rrentry)>0) { + sp(level);printf(" ");dumprrentry(&rrentry);printf("\n"); + } + FreeRR(&rrentry); + if ( !(idr->flags[0] & 2) ) files++; + if ( (idr->flags[0] & 2) && (level==0 || isonum_711(idr->name_len)>1) ) { + level++; + dirs++; + ProcessDir(&readf,isonum_733(idr->extent),isonum_733(idr->size),&mycallb,udata); + level--; + } + return 0; +} + +/************************************************/ + +int main(int argc, char *argv[]) { + + int i=1,sector=0; + iso_vol_desc *desc; + boot_head boot; + + if (argc<2) { + fprintf(stderr,"\nUsage: %s iso-file-name or device [starting sector]\n\n",argv[0]); + return 0; + } + if (argc>=3) { + sector=atoi(argv[2]); + printf("Using starting sector number %d\n",sector); + } + fd=open(argv[1],O_RDONLY); + if (fd<0) { + fprintf(stderr,"open error\n"); + return -1; + } + iconv_d=iconv_open("ISO8859-2","UTF16BE"); + if (iconv_d==0) { + fprintf(stderr,"iconv open error\n"); + return -1; + } + + desc=ReadISO9660(&readf,sector,NULL); + if (!desc) { + printf("No volume descriptors\n"); + return -1; + } + while (desc) { + + printf("\n\n--------------- Volume descriptor (%d.) type %d: ---------------\n\n", + i,isonum_711(desc->data.type)); + switch (isonum_711(desc->data.type)) { + case ISO_VD_BOOT: { + + struct el_torito_boot_descriptor* bootdesc; + bootdesc=&(desc->data); + dumpboot(bootdesc); + if ( !memcmp(EL_TORITO_ID,bootdesc->system_id,ISODCL(8,39)) ) { + + if (ReadBootTable(&readf,isonum_731(bootdesc->boot_catalog),&boot,NULL)) { + printf("Boot Catalog Error\n"); + } else { + dumpbootcat(&boot); + FreeBootTable(&boot); + } + } + } + break; + + case ISO_VD_PRIMARY: + case ISO_VD_SUPPLEMENTARY: + joliet=0; + joliet = JolietLevel(&desc->data); + printf("Joliet level: %d\n",joliet); + dumpdesc((struct iso_primary_descriptor*) &desc->data); + printf("\n\n--------------- Directory structure: -------------------\n\n"); + dirs=0;files=0; + mycallb( &( ((struct iso_primary_descriptor*) &desc->data)->root_directory_record), NULL ); + printf("\nnumber of directories: %d\n",dirs); + printf("\nnumber of files: %d\n",files); + break; + + } + desc=desc->next; + i++; + } + iconv_close(iconv_d); + close(fd); + FreeISO9660(desc); + return 0; +} + +#endif /* ISOFS_MAIN */ |