X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Fvfs%2Fopen.c;h=a396465b538b5aad44f99586db7c87d38734e375;hb=6a945643557084578509e149c84cf5dde3c59c3c;hp=552276d9f37caaf546856d742ae547cce604da89;hpb=7c2a4b6359a81dac11d89eda748d1cc0640f6d33;p=tpg%2Facess2.git diff --git a/Kernel/vfs/open.c b/Kernel/vfs/open.c index 552276d9..a396465b 100644 --- a/Kernel/vfs/open.c +++ b/Kernel/vfs/open.c @@ -24,10 +24,10 @@ tVFS_Handle *gaKernelHandles = (void*)MM_KERNEL_VFS; // === CODE === /** - * \fn char *VFS_GetAbsPath(char *Path) + * \fn char *VFS_GetAbsPath(const char *Path) * \brief Create an absolute path from a relative one */ -char *VFS_GetAbsPath(char *Path) +char *VFS_GetAbsPath(const char *Path) { char *ret; int pathLen = strlen(Path); @@ -170,7 +170,7 @@ char *VFS_GetAbsPath(char *Path) * \fn char *VFS_ParsePath(char *Path, char **TruePath) * \brief Parses a path, resolving sysmlinks and applying permissions */ -tVFS_Node *VFS_ParsePath(char *Path, char **TruePath) +tVFS_Node *VFS_ParsePath(const char *Path, char **TruePath) { tVFS_Mount *mnt; tVFS_Mount *longestMount = gVFS_RootMount; // Root is first @@ -260,13 +260,15 @@ tVFS_Node *VFS_ParsePath(char *Path, char **TruePath) curNode->ReferenceCount ++; // Parse Path ofs = mnt->MountPointLen+1; - for(; (nextSlash = strpos(&Path[ofs], '/')) != -1; Path[nextSlash]='/',ofs = nextSlash + 1) + for(; (nextSlash = strpos(&Path[ofs], '/')) != -1; ofs = nextSlash + 1) { - nextSlash += ofs; - Path[nextSlash] = '\0'; - - // Check for empty string - if( Path[ofs] == '\0' ) continue; + char pathEle[nextSlash+1]; + + // Empty String + if(nextSlash == 0) continue; + + memcpy(pathEle, &Path[ofs], nextSlash); + pathEle[nextSlash] = 0; // Check permissions on root of filesystem if( !VFS_CheckACL(curNode, VFS_PERM_EXECUTE) ) { @@ -288,27 +290,25 @@ tVFS_Node *VFS_ParsePath(char *Path, char **TruePath) free(*TruePath); *TruePath = NULL; } - Path[nextSlash] = '/'; //Log("FindDir fail on '%s'", Path); LEAVE('n'); return NULL; } - LOG("FindDir(%p, '%s')", curNode, &Path[ofs]); + LOG("FindDir(%p, '%s')", curNode, pathEle); // Get Child Node - tmpNode = curNode->FindDir(curNode, &Path[ofs]); + tmpNode = curNode->FindDir(curNode, pathEle); LOG("tmpNode = %p", tmpNode); if(curNode->Close) curNode->Close(curNode); curNode = tmpNode; // Error Check if(!curNode) { - LOG("Node '%s' not found in dir '%s'", &Path[ofs], Path); + LOG("Node '%s' not found in dir '%s'", pathEle, Path); if(TruePath) { free(*TruePath); *TruePath = NULL; } - //Log("Child fail on '%s' ('%s)", Path, &Path[ofs]); - Path[nextSlash] = '/'; + //Log("Child fail on '%s' ('%s)", Path, pathEle); LEAVE('n'); return NULL; } @@ -332,6 +332,8 @@ tVFS_Node *VFS_ParsePath(char *Path, char **TruePath) // Parse Symlink Path curNode = VFS_ParsePath(tmp, TruePath); + if(TruePath) + Log_Debug("VFS", "*TruePath='%s'", *TruePath); // Error Check if(!curNode) { @@ -341,12 +343,12 @@ tVFS_Node *VFS_ParsePath(char *Path, char **TruePath) return NULL; } + // Free temp link + free(tmp); + // Set Path Variable if(TruePath) { - *TruePath = tmp; - retLength = strlen(tmp); - } else { - free(tmp); // Free temp string + retLength = strlen(*TruePath); } continue; @@ -377,9 +379,9 @@ tVFS_Node *VFS_ParsePath(char *Path, char **TruePath) *TruePath = tmp; // Append to path (*TruePath)[retLength] = '/'; - strcpy(*TruePath+retLength+1, &Path[ofs]); + strcpy(*TruePath+retLength+1, pathEle); // - Extend Path - retLength += strlen(&Path[ofs])+1; + retLength += nextSlash; } // Get last node