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On 07/14/16 05:56, Ady Ady via Syslinux wrote: > > @Peter, Erwan, Gene, Michal, (and anyone else interested)... > > Although I haven't actually tested Erwan's patch, would it be > acceptable by you (all) if I were to send a patch to this Syslinux > Mailing List with the same code while changing the wording as I > previously suggested in a prior email? Would it be

Hello, The main function in com32/modules/chain.c does a lot of argument parsing, finding the drivename, partition, seg, etc., for two statements nullifying most of the work: drivename = argv[1]; partition = argv[2]; /* Possibly null */ Seeing as the function initializes the variables correctly at the beginning: drivename = "boot"; partition = NULL; shouldn't these stateme...

...ve is??). Well, in any case, I would really appreciate if someone can let me know if what I want to do is possible at all with syslinux; and possibly how to do it... Thanks, Cheers /// int main(int argc, char *argv[]) { char *mbr, *boot_sector = NULL; struct part_entry *partinfo; char *drivename, *partition, *endds, *endps, *waittotals; int hd, drive, whichpart; static com32sys_t inreg; /* In bss, so zeroed automatically */ int idd, idp, endd, endp; FILE *f; char *log = "/chsdlog.txt"; char logsc[1024]; char *logs = &logsc; char logrc[10240]; char *logr =...

...ad + iter = pi_begin(&diskinfo, opt.piflags); + goto ok; + } + } + drive = -1; +ok: + *_boot_part = iter; + return drive; +} + static void do_boot(struct data_area *data, int ndata) { struct syslinux_memmap *mmap; @@ -300,6 +332,15 @@ } if (find_by_label(opt.drivename + 6, &iter) < 0) { error("Unable to find requested GPT partition by label."); + goto bail; + } + } else if (!strncmp(opt.drivename, "diskbypartname", 14)) { + if (!opt.drivename[15]) { + error("No partition name specified."); + goto bail; +...

...a/com32/chain/chain.c b/com32/chain/chain.c index 4e9e32d..492f21c 100644 --- a/com32/chain/chain.c +++ b/com32/chain/chain.c @@ -286,7 +286,8 @@ int find_dp(struct part_iter **_iter) error("Unable to find requested MBR signature."); goto bail; } - } else if (!strncmp(opt.drivename, "guid", 4)) { + } else if (!strncmp(opt.drivename, "guid", 4) || + !strncmp(opt.drivename, "uuid", 4)) { if (str_to_guid(opt.drivename + 5, &gpt_guid)) goto bail; if (find_by_guid(&gpt_guid, &iter) < 0) { diff --git a/com32/ch...

This patch introduces extra functionality to chain.c, mainly with reference to BPB adjustments, but not only that. It expects 3 small patches I sent earlier (they are included for easy reference, patches 1-3/4). The changes introduced are: 1) file and boot sector use separate options to control load address and jump address (if applicable). Options are as described below: *

..., so I don't subscribe syslinux mail list. I just report a bug, no more information. bug file: syslinux.exe source: win\syslinux.c in function FixMBR: ========================== BOOL FixMBR(int driveNum, int partitionNum, int write_mbr, int set_active) { BOOL result = TRUE; HANDLE drive; char driveName[128]; sprintf(driveName, "\\\\.\\PHYSICALDRIVE%d", driveNum); ========================== It need a drive num!!! It get it from function : ========================== STORAGE_DEVICE_NUMBER sdn; if (GetStorageDeviceNumberByHandle(d_handle, &sdn)) { if (!FixMBR(sdn.DeviceNumber, sdn.Par...

...ectory, he really > will connect with, by example, /home/user/subdir. > > I don't now if it's possible to do that in the [homes] section, or I > must create a new different section for every user. if your clients-machines are Windows2000 or later, you could run a net use <drivename>: \\server\homes\your_subdir via netlogon.cmd or even the local Startup-Folder without any changes to your samba-setup. Maybe you could add a "path = /home/%u/subdir" to the [Homes] segment, dunno if this works, not even sure if the '%u' is the right variable. regards K...

...ion of the problematic code). Gert Hulselmans $ diff -u ./com32/modules/chain.c.old ./com32/modules/chain.c.new --- ./com32/modules/chain.c.old 2009-07-19 20:33:16.468094540 +0200 +++ ./com32/modules/chain.c.new 2009-07-19 20:26:54.636091513 +0200 @@ -666,8 +666,7 @@ } else if (!strcmp(drivename, "boot")) { const union syslinux_derivative_info *sdi; sdi = syslinux_derivative_info(); - if (sdi->c.filesystem == SYSLINUX_FS_PXELINUX || - sdi->c.filesystem == SYSLINUX_FS_ISOLINUX) + if (sdi->c.filesystem == SYSLINUX_FS_PXELINUX ) drive = 0x80;...

This is a bit updated set of chain.c32 changes that simplifies a few things (and in partiter part), fixes few minor issues and adds a few new features. Details are in the following commits, below is the summary and pull details at the end. Shao - any chance to peek over them ? Most of those are relatively simple changes and well tested, though of course something might have slipped my attention.

i`ve found a bug in chain.c32 in v4.06. When i use isolinux it does not run windows7 installation, chainloading bootmgr. the error is: Can't find myself on the drive I booted from. chain.c32 from syslinux 3.xx works like a charm! chain.c32 from syslinux 5 shous tat this is not a com32 app

It would be good to clean it up so out can be used for both. Just teach it that ) ends the parse. On June 4, 2014 2:06:22 PM PDT, Raphael S Carvalho <raphael.scarv at gmail.com> wrote: >On Wed, Jun 4, 2014 at 5:36 PM, Raphael S Carvalho ><raphael.scarv at gmail.com> wrote: >> On Wed, Jun 4, 2014 at 5:21 PM, H. Peter Anvin <hpa at zytor.com> wrote: >>> On

1) code split and move Iterator related functionality is yanked from chain.c and moved to iterator.{c,h}. Both are moved to com32/chain and this way chain.c is ready for further splitting. Alternatively, partiter could be moved to com32/lib at any time in the future. It's potentially useful for other modules (e.g. if someone wanted to code partition dumper or editor). 2) Iterator updates

...return NULL; } @@ -1292,6 +1297,9 @@ int main(int argc, char *argv[]) struct mbr *mbr = NULL; char *p; struct disk_part_iter *cur_part = NULL; + void *sect_area = NULL, *file_area = NULL; + struct part_entry *hand_area = NULL; + struct syslinux_rm_regs regs; char *drivename, *partition; int hd, drive, whichpart = 0; /* MBR by default */ @@ -1523,6 +1531,7 @@ int main(int argc, char *argv[]) goto bail; } data[ndata].base = load_base; + file_area = (void *)data[ndata].data; load_base = 0x7c00; /* If we also load a boot sector */ /* Create boot info...

This small set fixes few bugs, improves gpt handling (under buggy conditions) and implements strict flag with more fine grained control which should fix issues with sanity checks against disk sizes. If this set is allright I'd want to do what I mentioned in older discussion with Ady - backport missing patches from 6.x to 5.x and 4.x so all versions have up to date chain version. Michal

From: Matt Fleming <matt.fleming at linux.intel.com> This series fixes some bugs and switches the elflink branch to be entirely ELF modules. It applies on top of, http://syslinux.zytor.com/archives/2011-April/016369.html The deletions in the diff stat below are mainly from deleting com32/elflink/modules (finally!). Now there should be no duplicate code because we don't need COM32 and