X-Git-Url: http://git.ozlabs.org/?p=yaboot.git;a=blobdiff_plain;f=second%2Ffile.c;h=8f86a6eaefb0b11e685ae5831bfd799617a59ba3;hp=ed70376be542670865c249a52e1086381418acd3;hb=7558941ebce6bd1e085cde875133745e4824cedd;hpb=b95e2fe6b9c48a252ff6a3a9efe9f06e582ce4f4 diff --git a/second/file.c b/second/file.c index ed70376..8f86a6e 100644 --- a/second/file.c +++ b/second/file.c @@ -38,6 +38,112 @@ extern char bootdevice[1024]; +static char *netdev_path_to_filename(const char *path) +{ + char *tmp, *args, *filename; + size_t len; + + DEBUG_F("path = %s\n", path); + + if (!path) + return NULL; + + args = strrchr(path, ':'); + if (!args) + return NULL; + + /* The obp-tftp device arguments should be at the end of + * the argument list. Skip over any extra arguments (promiscuous, + * speed, duplex, bootp, rarp). + */ + + tmp = strstr(args, "promiscuous"); + if (tmp && tmp > args) + args = tmp + strlen("promiscuous"); + + tmp = strstr(args, "speed="); + if (tmp && tmp > args) + args = tmp + strlen("speed="); + + tmp = strstr(args, "duplex="); + if (tmp && tmp > args) + args = tmp + strlen("duplex="); + + tmp = strstr(args, "bootp"); + if (tmp && tmp > args) + args = tmp + strlen("bootp"); + + tmp = strstr(args, "rarp"); + if (tmp && tmp > args) + args = tmp + strlen("rarp"); + + args = strchr(args, ','); + if (!args) + return NULL; + + tmp = args; + tmp--; + /* If the preceding character is ':' then there were no + * non-obp-tftp arguments and we know we're right up to the + * filename. Otherwise, we must advance args once more. + */ + args++; + if (*tmp != ':') { + args = strchr(args, ','); + if (!args) + return NULL; + args++; + } + + /* filename may be empty; e.g. enet:192.168.1.1,,192.168.1.2 */ + if (*args == ',') { + DEBUG_F("null filename\n"); + return NULL; + } + + /* Now see whether there are more args following the filename. */ + tmp = strchr(args, ','); + if (!tmp) + len = strlen(args) + 1; + else + len = tmp - args + 1; + + filename = malloc(len); + if (!filename) + return NULL; + + strncpy(filename, args, len); + filename[len - 1] = '\0'; + + DEBUG_F("filename = %s\n", filename); + return filename; +} + +static char *netdev_path_to_dev(const char *path) +{ + char *dev, *tmp; + size_t len; + + DEBUG_F("path = %s\n", path); + + if (!path) + return NULL; + + tmp = strchr(path, ':'); + if (!tmp) + return strdup(path); + tmp++; + + len = tmp - path + 1; + + dev = malloc(len); + if (dev) { + strncpy(dev, path, len); + dev[len - 1] = '\0'; + } + return dev; +} + /* This function follows the device path in the devtree and separates the device name, partition number, and other datas (mostly file name) the string passed in parameters is changed since 0 are put in place @@ -71,6 +177,7 @@ parse_device_path(char *imagepath, char *defdevice, int defpart, char *ptr; char *ipath = NULL; char *defdev = NULL; + int device_kind; result->dev = NULL; result->part = -1; @@ -81,22 +188,21 @@ parse_device_path(char *imagepath, char *defdevice, int defpart, else if (!(ipath = strdup(imagepath))) return 0; - if (defdevice) + if (defdevice) { defdev = strdup(defdevice); + device_kind = prom_get_devtype(defdev); + } else + device_kind = prom_get_devtype(ipath); - if (defdev) { - if (!strstr(defdev, "ethernet") && !strstr(defdev, "enet")) { - if ((ptr = strrchr(defdev, ':')) != NULL) - *ptr = 0; /* remove trailing : from defdevice if necessary */ - } - } else { - return 0; + if (device_kind != FILE_DEVICE_NET && strchr(defdev, ':') != NULL) { + if ((ptr = strrchr(defdev, ':')) != NULL) + *ptr = 0; /* remove trailing : from defdevice if necessary */ } - /* if there is no : then there is no filename or partition. must - use strrchr() since enet:,10.0.0.1,file is legal */ - - if (strchr(ipath, ':') != NULL) { + /* This will not properly handle an obp-tftp argument list + * with elements after the filename; that is handled below. + */ + if (device_kind != FILE_DEVICE_NET && strchr(ipath, ':') != NULL) { if ((ptr = strrchr(ipath, ',')) != NULL) { char *colon = strrchr(ipath, ':'); /* If a ':' occurs *after* a ',', then we assume that there is @@ -109,13 +215,15 @@ parse_device_path(char *imagepath, char *defdevice, int defpart, } } - if (strstr(ipath, "ethernet") || strstr(ipath, "enet")) - if ((ptr = strstr(ipath, "bootp")) != NULL) { /* `n' key booting boots enet:bootp */ - *ptr = 0; - result->dev = strdup(ipath); - } else - result->dev = strdup(ipath); - else if ((ptr = strchr(ipath, ':')) != NULL) { + if (device_kind == FILE_DEVICE_NET) { + if (strchr(ipath, ':')) + result->file = netdev_path_to_filename(ipath); + else + result->file = strdup(ipath); + + if (!defdev) + result->dev = netdev_path_to_dev(ipath); + } else if ((ptr = strchr(ipath, ':')) != NULL) { *ptr = 0; result->dev = strdup(ipath); if (*(ptr+1))