5 kx
5 kx #ifdef HAVE_CONFIG_H
5 kx #include <config.h>
5 kx #endif
5 kx
5 kx #include <stdlib.h>
5 kx #include <stdio.h>
5 kx #include <sys/sysinfo.h>
5 kx #include <sys/types.h>
5 kx #include <stdint.h>
5 kx #include <dirent.h>
5 kx #include <sys/stat.h> /* chmod(2) */
5 kx #include <sys/file.h>
5 kx #include <sys/mman.h>
5 kx #include <fcntl.h>
5 kx #include <limits.h>
5 kx #include <string.h> /* strdup(3) */
5 kx #include <libgen.h> /* basename(3) */
5 kx #include <ctype.h> /* tolower(3) */
5 kx #include <errno.h>
5 kx #include <time.h>
5 kx #include <sys/time.h>
5 kx #include <pwd.h>
5 kx #include <grp.h>
5 kx #include <stdarg.h>
5 kx #include <unistd.h>
5 kx #include <endian.h>
5 kx
5 kx #include <error.h>
5 kx #include <msglog.h>
5 kx #include <xalloc.h>
5 kx #include <symtab.h>
5 kx #include <parse.h>
5 kx #include <bconf.h>
5 kx
5 kx #include <defs.h>
5 kx
5 kx extern const char *SHM_BCF;
5 kx
5 kx FILE *bcf = NULL;
5 kx char *bcf_fname = NULL;
5 kx
5 kx static void *bcf_shm_address = NULL;
5 kx static int bcf_shm_fd = -1;
5 kx
5 kx static int snum, rnum, dnum, global_dnum, global_rnum, indent;
5 kx
5 kx static unsigned char *ftab, *stab = NULL;
5 kx static Bcf32_Off stabsz = 0;
5 kx
5 kx static Bcf32_Off shoff; /* section header table’s file offset in bytes */
5 kx static Bcf32_Off rhoff; /* repository header table’s file offset in bytes */
5 kx static Bcf32_Off dtoff; /* data entries table’s file offset in bytes */
5 kx static Bcf32_Off stoff; /* string table’s file offset in bytes */
5 kx
5 kx static Bcf32_fhdr *fhdr;
5 kx static Bcf32_shdr *shdr;
5 kx static Bcf32_rhdr *rhdr;
5 kx static Bcf32_dntr *dntr;
5 kx
5 kx
5 kx void bcf_shm_free( void )
5 kx {
5 kx if( bcf_shm_address )
5 kx {
5 kx struct stat st;
5 kx
5 kx if( !fstat( bcf_shm_fd, (struct stat *)&st ) )
5 kx {
5 kx (void)munmap( bcf_shm_address, (size_t)st.st_size );
5 kx bcf_shm_address = NULL;
5 kx bcf_shm_fd = shm_unlink( SHM_BCF );
5 kx }
5 kx }
5 kx bcf_shm_address = NULL;
5 kx bcf_shm_fd = -1;
5 kx }
5 kx
5 kx /************************************************
5 kx Функции создания BCF файла по таблице symlist:
5 kx */
5 kx
5 kx static Bcf32_Off extend_strtab( const char *val )
5 kx {
5 kx Bcf32_Off off = 1;
5 kx Bcf32_Off len = 0;
5 kx unsigned char *dest = NULL;
5 kx
5 kx if( !stab )
5 kx {
5 kx /*************************************
5 kx The first string in strtab is equal
5 kx to "" for empty strings.
5 kx */
5 kx stabsz = (Bcf32_Off)(strlen( val ) + 2);
5 kx stab = (unsigned char *)xmalloc( (size_t)stabsz );
5 kx (void)strncpy( (char *)&stab[1], val, stabsz - 1 );
5 kx return off;
5 kx }
5 kx else
5 kx {
5 kx off = stabsz;
5 kx len = (Bcf32_Off)(strlen( val ) + 1);
5 kx stabsz += len;
5 kx
5 kx stab = (unsigned char *)xrealloc( (void *)stab, (size_t)stabsz );
5 kx dest = &stab[off];
5 kx (void)strncpy( (char *)dest, val, len );
5 kx return off;
5 kx }
5 kx }
5 kx
5 kx static void count_symbols( int *snum, int *rnum, int *dnum, int *gdts, int *grps, SYMBOL *list )
5 kx {
5 kx SYMBOL *head = list;
5 kx
5 kx if( !head ) return;
5 kx
5 kx while( head )
5 kx {
5 kx /************************************
5 kx count symbols( head ):
5 kx */
5 kx switch( head->type )
5 kx {
5 kx case STRING:
5 kx if( indent == 0 ) *gdts += 1;
5 kx *dnum += 1;
5 kx break;
5 kx case PATH:
5 kx if( indent == 0 ) *gdts += 1;
5 kx *dnum += 1;
5 kx break;
5 kx case NUMERICAL:
5 kx if( indent == 0 ) *gdts += 1;
5 kx *dnum += 1;
5 kx break;
5 kx
5 kx case SECTION:
5 kx *snum += 1;
5 kx break;
5 kx case REPO:
5 kx if( indent == 0 ) *grps += 1;
5 kx *rnum += 1;
5 kx break;
5 kx
5 kx default:
5 kx break;
5 kx }
5 kx
5 kx if( head->list ) { indent += 1; count_symbols( snum, rnum, dnum, gdts, grps, head->list ); }
5 kx /*
5 kx End of count symbols( head ).
5 kx ************************************/
5 kx
5 kx head = head->next;
5 kx }
5 kx }
5 kx
5 kx static void write_global_data( SYMBOL *list )
5 kx {
5 kx SYMBOL *head = list;
5 kx
5 kx if( !head ) return;
5 kx
5 kx while( head )
5 kx {
5 kx /************************************
5 kx global symbols( head ):
5 kx */
5 kx switch( head->type )
5 kx {
5 kx case STRING:
5 kx dntr->d_name = extend_strtab( (const char *)head->name );
5 kx dntr->d_type = DT_STRING;
5 kx dntr->_v.d_valptr = extend_strtab( (const char *)head->u.string );
5 kx dtoff += (Bcf32_Off)sizeof( Bcf32_dntr );
5 kx ++dntr;
5 kx break;
5 kx case PATH:
5 kx dntr->d_name = extend_strtab( (const char *)head->name );
5 kx dntr->d_type = DT_PATH;
5 kx dntr->_v.d_valptr = extend_strtab( (const char *)head->u.path );
5 kx dtoff += (Bcf32_Off)sizeof( Bcf32_dntr );
5 kx ++dntr;
5 kx break;
5 kx case NUMERICAL:
5 kx dntr->d_name = extend_strtab( (const char *)head->name );
5 kx dntr->d_type = DT_NUMERICAL;
5 kx dntr->_v.d_value = head->u.value;
5 kx dtoff += (Bcf32_Off)sizeof( Bcf32_dntr );
5 kx ++dntr;
5 kx break;
5 kx
5 kx default:
5 kx break;
5 kx }
5 kx /*
5 kx End of global symbols( head ).
5 kx ************************************/
5 kx
5 kx head = head->next;
5 kx }
5 kx }
5 kx
5 kx static Bcf32_Half write_repo_data( SYMBOL *list )
5 kx {
5 kx Bcf32_Half cntr = 0;
5 kx SYMBOL *head = list;
5 kx
5 kx if( !head ) return cntr;
5 kx
5 kx while( head )
5 kx {
5 kx /************************************
5 kx symbols( head ):
5 kx */
5 kx switch( head->type )
5 kx {
5 kx case STRING:
5 kx dntr->d_name = extend_strtab( (const char *)head->name );
5 kx dntr->d_type = DT_STRING;
5 kx dntr->_v.d_valptr = extend_strtab( (const char *)head->u.string );
5 kx dtoff += (Bcf32_Off)sizeof( Bcf32_dntr );
5 kx ++dntr;
5 kx ++cntr;
5 kx break;
5 kx case PATH:
5 kx dntr->d_name = extend_strtab( (const char *)head->name );
5 kx dntr->d_type = DT_PATH;
5 kx dntr->_v.d_valptr = extend_strtab( (const char *)head->u.path );
5 kx dtoff += (Bcf32_Off)sizeof( Bcf32_dntr );
5 kx ++dntr;
5 kx ++cntr;
5 kx break;
5 kx case NUMERICAL:
5 kx dntr->d_name = extend_strtab( (const char *)head->name );
5 kx dntr->d_type = DT_NUMERICAL;
5 kx dntr->_v.d_value = head->u.value;
5 kx dtoff += (Bcf32_Off)sizeof( Bcf32_dntr );
5 kx ++dntr;
5 kx ++cntr;
5 kx break;
5 kx
5 kx default:
5 kx break;
5 kx }
5 kx /*
5 kx End of symbols( head ).
5 kx ************************************/
5 kx
5 kx head = head->next;
5 kx }
5 kx
5 kx return cntr;
5 kx }
5 kx
5 kx static void write_global_repos( SYMBOL *list )
5 kx {
5 kx SYMBOL *head = list;
5 kx
5 kx if( !head ) return;
5 kx
5 kx while( head )
5 kx {
5 kx /************************************
5 kx global symbols( head ):
5 kx */
5 kx if( head->type == REPO )
5 kx {
5 kx rhdr->r_rhdr = extend_strtab( (const char *)head->u.path );
5 kx rhdr->r_rdata = dtoff;
5 kx rhdr->r_dnum = write_repo_data( head->list );
5 kx
5 kx rhoff += (Bcf32_Off)sizeof( Bcf32_rhdr );
5 kx ++rhdr;
5 kx }
5 kx /*
5 kx End of global symbols( head ).
5 kx ************************************/
5 kx
5 kx head = head->next;
5 kx }
5 kx }
5 kx
5 kx
5 kx static Bcf32_Half write_repos( SYMBOL *list )
5 kx {
5 kx Bcf32_Half cntr = 0;
5 kx SYMBOL *head = list;
5 kx
5 kx if( !head ) return cntr;
5 kx
5 kx while( head )
5 kx {
5 kx /************************************
5 kx symbols( head ):
5 kx */
5 kx if( head->type == REPO )
5 kx {
5 kx rhdr->r_rhdr = extend_strtab( (const char *)head->u.path );
5 kx rhdr->r_rdata = dtoff;
5 kx rhdr->r_dnum = write_repo_data( head->list );
5 kx
5 kx rhoff += (Bcf32_Off)sizeof( Bcf32_rhdr );
5 kx ++rhdr;
5 kx ++cntr;
5 kx }
5 kx /*
5 kx End of symbols( head ).
5 kx ************************************/
5 kx
5 kx head = head->next;
5 kx }
5 kx
5 kx return cntr;
5 kx }
5 kx
5 kx static void write_sections( SYMBOL *list )
5 kx {
5 kx SYMBOL *head = list;
5 kx
5 kx if( !head ) return;
5 kx
5 kx while( head )
5 kx {
5 kx /************************************
5 kx global symbols( head ):
5 kx */
5 kx if( head->type == SECTION )
5 kx {
5 kx (void)strncpy( (char *)shdr->s_name, SMAG_REPOS, (size_t)SI_NIDENT );
5 kx shdr->s_type = ST_REPOS;
5 kx shdr->s_shdr = extend_strtab( (const char *)head->u.string );
5 kx shdr->s_sdata = rhoff;
5 kx shdr->s_dnum = write_repos( head->list );;
5 kx
5 kx shoff += (Bcf32_Off)sizeof( Bcf32_shdr );
5 kx ++shdr;
5 kx }
5 kx /*
5 kx End of global symbols( head ).
5 kx ************************************/
5 kx
5 kx head = head->next;
5 kx }
5 kx }
5 kx
5 kx
5 kx int write_binary_config( void )
5 kx {
5 kx int ret = 0;
5 kx
5 kx ftab = NULL;
5 kx stab = NULL;
5 kx
5 kx snum = 0, rnum = 0, dnum = 0, global_dnum = 0, global_rnum = 0, indent = 0, stabsz = 0;
5 kx fhdr = NULL, shdr = NULL, rhdr = NULL, dntr = NULL;
5 kx shoff = 0, rhoff = 0, dtoff = 0, stoff = 0;
5 kx
5 kx count_symbols( &snum, &rnum, &dnum, &global_dnum, &global_rnum, symlist );
5 kx
5 kx if( global_dnum ) snum += 1; /* add .global section for global variables */
5 kx if( global_rnum ) snum += 1; /* add noname .repos section for global repositories */
5 kx
5 kx shoff = (Bcf32_Off)sizeof( Bcf32_fhdr );
5 kx rhoff = (Bcf32_Off)(shoff + snum * sizeof( Bcf32_shdr ));
5 kx dtoff = (Bcf32_Off)(rhoff + rnum * sizeof( Bcf32_rhdr ));
5 kx stoff = (Bcf32_Off)(dtoff + dnum * sizeof( Bcf32_dntr ));
5 kx
5 kx ftab = (unsigned char *)xmalloc( (size_t)stoff );
5 kx
5 kx /******************
5 kx Fill File Header
5 kx */
5 kx fhdr = (Bcf32_fhdr *)ftab;
5 kx
5 kx (void)strncpy( (char *)fhdr->b_ident, BCFMAG, (size_t)SZBCFMAG );
5 kx fhdr->b_ident[BI_CLASS] = BCF_CLASS_32;
5 kx #if __BYTE_ORDER == __LITTLE_ENDIAN
5 kx fhdr->b_ident[BI_DATA] = BCF_DATA_LSB;
5 kx #else
5 kx fhdr->b_ident[BI_DATA] = BCF_DATA_MSB;
5 kx #endif
5 kx fhdr->b_ident[BI_VERSION] = BV_CURRENT;
5 kx fhdr->b_ident[BI_PAD] = BCF_PAD;
5 kx
5 kx fhdr->b_hsize = (Bcf32_Half)sizeof( Bcf32_fhdr );
5 kx fhdr->b_shoff = (Bcf32_Off)shoff;
5 kx fhdr->b_shentsize = (Bcf32_Half)sizeof( Bcf32_shdr );
5 kx fhdr->b_shnum = (Bcf32_Half)snum;
5 kx fhdr->b_rhoff = (Bcf32_Off)rhoff;
5 kx fhdr->b_rhentsize = (Bcf32_Half)sizeof( Bcf32_rhdr );
5 kx fhdr->b_rhnum = (Bcf32_Half)rnum;
5 kx fhdr->b_dtoff = (Bcf32_Off)dtoff;
5 kx fhdr->b_dtentsize = (Bcf32_Half)sizeof( Bcf32_dntr );
5 kx fhdr->b_dtnum = (Bcf32_Half)dnum;
5 kx fhdr->b_stoff = (Bcf32_Off)stoff;
5 kx
5 kx shdr = (Bcf32_shdr *)&ftab[shoff];
5 kx rhdr = (Bcf32_rhdr *)&ftab[rhoff];
5 kx dntr = (Bcf32_dntr *)&ftab[dtoff];
5 kx
5 kx if( global_dnum )
5 kx {
5 kx (void)strncpy( (char *)shdr->s_name, SMAG_GLOBAL, (size_t)SI_NIDENT );
5 kx shdr->s_type = ST_GLOBAL;
5 kx shdr->s_shdr = 0; /* Global section is always a first noname .global section */
5 kx shdr->s_sdata = fhdr->b_dtoff;
5 kx shdr->s_dnum = (Bcf32_Half)global_dnum;
5 kx
5 kx write_global_data( symlist );
5 kx
5 kx shoff += (Bcf32_Off)sizeof( Bcf32_shdr );
5 kx ++shdr;
5 kx }
5 kx
5 kx if( global_rnum )
5 kx {
5 kx (void)strncpy( (char *)shdr->s_name, SMAG_REPOS, (size_t)SI_NIDENT );
5 kx shdr->s_type = ST_REPOS;
5 kx shdr->s_shdr = 0; /* Global repos plased in the second noname .repos section */
5 kx shdr->s_sdata = fhdr->b_rhoff;
5 kx shdr->s_dnum = (Bcf32_Half)global_rnum;
5 kx
5 kx write_global_repos( symlist );
5 kx
5 kx shoff += (Bcf32_Off)sizeof( Bcf32_shdr );
5 kx ++shdr;
5 kx }
5 kx
5 kx write_sections( symlist );
5 kx
5 kx /**********************
5 kx Whole BCF file size:
5 kx */
5 kx fhdr->b_fsize = (Bcf32_Word)( stoff + stabsz );
5 kx
5 kx bcf_shm_free();
5 kx
5 kx bcf_shm_fd = shm_open( SHM_BCF, O_CREAT | O_TRUNC | O_RDWR, 0644 );
5 kx if( bcf_shm_fd != -1 )
5 kx {
5 kx (void)ftruncate( bcf_shm_fd, (size_t)fhdr->b_fsize );
5 kx bcf_shm_address = mmap( NULL, (size_t)fhdr->b_fsize, PROT_WRITE, MAP_SHARED, bcf_shm_fd, 0 );
5 kx if( bcf_shm_address != MAP_FAILED )
5 kx {
5 kx memcpy( bcf_shm_address, (const void *)ftab, (size_t)stoff );
5 kx memcpy( bcf_shm_address + (size_t)stoff, (const void *)stab, (size_t)stabsz );
5 kx }
5 kx }
5 kx
5 kx if( bcf_fname )
5 kx {
5 kx bcf = fopen( (const char *)bcf_fname, "w" );
5 kx if( !bcf ) { FATAL_ERROR( "Cannot open BCF file: %s", bcf_fname ); }
5 kx }
5 kx
5 kx (void)fwrite( (void *)ftab, (size_t)stoff, 1, bcf );
5 kx (void)fwrite( (void *)stab, (size_t)stabsz, 1, bcf );
5 kx
5 kx if( bcf_fname )
5 kx {
5 kx if( bcf ) { fclose( bcf ); bcf = NULL; } /* Do not free bcf_fname[] */
5 kx }
5 kx
5 kx if( ftab ) { free( ftab ); ftab = NULL; }
5 kx if( stab ) { free( stab ); stab = NULL; }
5 kx
5 kx shoff = 0, rhoff = 0, dtoff = 0, stoff = 0;
5 kx fhdr = NULL, shdr = NULL, rhdr = NULL, dntr = NULL;
5 kx snum = 0, rnum = 0, dnum = 0, global_dnum = 0, global_rnum = 0, indent = 0, stabsz = 0;
5 kx
5 kx ret = 1; /* success */
5 kx
5 kx return ret;
5 kx }
cScm Configuration Daemon
cScm – is a tool to convert SCM configuration files into binary format and store its in shared memory for reading by cSvn-ui and cGit-ui CGI scripts
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