FreeCalypso > hg > freecalypso-tools
view rvinterf/etmsync/fsread.c @ 416:30f6d1c32c6f
doc/Flash-boot-defect article removed (no longer relevant)
This article is no longer relevant because the issue in question
only affected one (1) defective FCDEV3B board which was not
and never will be sold.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 26 Oct 2018 07:11:08 +0000 |
parents | d332fbf5c145 |
children | 74d284add54d |
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/* * Commands for reading the content of a GSM device's file system */ #include <sys/types.h> #include <sys/param.h> #include <sys/stat.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include <unistd.h> #include "etm.h" #include "ffs.h" #include "tmffs2.h" #include "limits.h" #include "ffslimits.h" #include "localtypes.h" #include "localstruct.h" #include "exitcodes.h" extern char *pathname_for_ffs_child(); void ll_print_line(pathname, stat) char *pathname; struct stat_info *stat; { char readonly; char rlbuf[256]; if (stat->flags & OF_READONLY) readonly = 'r'; else readonly = ' '; switch (stat->type) { case OT_FILE: printf("f%c %7u %s\n", readonly, stat->size, pathname); return; case OT_DIR: printf("d%c %s\n", readonly, pathname); return; case OT_LINK: if (do_readlink_sancheck(pathname, rlbuf)) strcpy(rlbuf, "<invalid>"); printf("l%c %s -> %s\n", readonly, pathname, rlbuf); return; default: printf("?%c %s\n", readonly, pathname); } } do_ls_long(lsarg) char *lsarg; { struct stat_info stat; u_char rdstate[4]; char rdbuf[MAX_FN_COMPONENT+1], childpath[MAX_FULL_PATHNAME+1], *childp; int nument, i, rc; if (validate_ffs_pathname(lsarg) < 0) return(ERROR_USAGE); /* err msg already printed */ rc = do_xlstat(lsarg, &stat); if (rc) return(rc); if (stat.type != OT_DIR) { ll_print_line(lsarg, &stat); return(0); } rc = do_opendir(lsarg, rdstate, &nument); if (rc) return(rc); if (!nument) { printf("<empty dir>\n"); return(0); } childp = pathname_for_ffs_child(lsarg, childpath); if (!childp) { printf("error: non-empty dir at the limit of pathname depth\n"); return(ERROR_TARGET); } for (i = 0; i < nument; i++) { rc = do_readdir(rdstate, rdbuf, MAX_FN_COMPONENT+1); if (rc) return(rc); if (index(rdbuf, '/')) { printf("error: readdir result contains a slash\n"); return(ERROR_TARGET); } strcpy(childp, rdbuf); rc = do_xlstat(childpath, &stat); if (rc) { printf("xlstat failed on %s\n", childpath); return(rc); } ll_print_line(childpath, &stat); } return(0); } cmd_ll(argc, argv) char **argv; { return do_ls_long(argv[1]); } void hexdump_line(offset, buf, len) u_char *buf; { int i, c; printf("%02X: ", offset); for (i = 0; i < 16; i++) { if (i < len) printf("%02X ", buf[i]); else fputs(" ", stdout); if (i == 7 || i == 15) putchar(' '); } for (i = 0; i < len; i++) { c = buf[i]; if (c < ' ' || c > '~') c = '.'; putchar(c); } putchar('\n'); } cmd_hd(argc, argv) char **argv; { u_char databuf[MAX_READ_DATA]; int rc, sz, off, l; rc = do_file_read(argv[1], databuf, MAX_READ_DATA, &sz); if (rc) return(rc); printf("%d bytes read\n", sz); for (off = 0; off < sz; off += 16) { l = sz - off; if (l > 16) l = 16; hexdump_line(off, databuf + off, l); } return(0); } cpout_object(ffspath, hostpath) char *ffspath, *hostpath; { struct stat_info stat; int rc; rc = do_xlstat(ffspath, &stat); if (rc) return(rc); switch (stat.type) { case OT_FILE: return cpout_file(ffspath, hostpath); case OT_DIR: return cpout_dir(ffspath, hostpath); case OT_LINK: printf("skipping FFS symlink %s\n", ffspath); return(0); default: printf("error: stat returned bad objtype for %s\n", ffspath); return(ERROR_TARGET); } } cpout_file(ffspath, hostpath) char *ffspath, *hostpath; { int tfd; FILE *of; u_char buf[MAX_READ_DATA]; int rc, sz; printf("copying %s\n", ffspath); rc = fd_open(ffspath, FFS_O_RDONLY, &tfd); if (rc) return(rc); of = fopen(hostpath, "w"); if (!of) { perror(hostpath); fd_close(tfd); return(ERROR_UNIX); } for (;;) { rc = fd_read(tfd, buf, MAX_READ_DATA, &sz); if (rc) { fd_close(tfd); fclose(of); return(rc); } if (!sz) break; fwrite(buf, 1, sz, of); } fclose(of); return fd_close(tfd); } cpout_dir(ffspath_dir, hostpath_dir) char *ffspath_dir, *hostpath_dir; { u_char rdstate[4]; char rdbuf[MAX_FN_COMPONENT+1], ffspath_child[MAX_FULL_PATHNAME+1]; char *childp; char hostpath_child[MAXPATHLEN]; int nument, i, rc, childerr; printf("dir %s\n", ffspath_dir); rc = host_mkdir(hostpath_dir); if (rc) return(rc); rc = do_opendir(ffspath_dir, rdstate, &nument); if (rc) return(rc); if (!nument) return(0); childp = pathname_for_ffs_child(ffspath_dir, ffspath_child); if (!childp) { printf("error: non-empty dir at the limit of pathname depth\n"); return(ERROR_TARGET); } childerr = 0; for (i = 0; i < nument; i++) { rc = do_readdir(rdstate, rdbuf, MAX_FN_COMPONENT+1); if (rc) return(rc); if (index(rdbuf, '/')) { printf("error: readdir result contains a slash\n"); return(ERROR_TARGET); } strcpy(childp, rdbuf); if (rdbuf[0] == '.') { printf("skipping %s\n", ffspath_child); continue; } if (strlen(hostpath_dir) + strlen(rdbuf) + 2 > sizeof hostpath_child) { fprintf(stderr, "error: host side pathname buffer overflow\n"); return(ERROR_UNIX); } sprintf(hostpath_child, "%s/%s", hostpath_dir, rdbuf); rc = cpout_object(ffspath_child, hostpath_child); if (rc && rc != ERROR_TARGET) return(rc); if (rc) childerr = rc; } return(childerr); } cmd_cpout(argc, argv) char **argv; { if (validate_ffs_pathname(argv[1]) < 0) return(ERROR_USAGE); /* err msg already printed */ return cpout_object(argv[1], argv[2]); } cmd_cpout_file(argc, argv) char **argv; { return cpout_file(argv[1], argv[2]); }