-/* dso_win32.c */
+/* dso_win32.c -*- mode:C; c-file-style: "eay" -*- */
/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
* project 2000.
*/
static long win32_ctrl(DSO *dso, int cmd, long larg, void *parg);
#endif
static char *win32_name_converter(DSO *dso, const char *filename);
+static char *win32_merger(DSO *dso, const char *filespec1,
+ const char *filespec2);
static DSO_METHOD dso_meth_win32 = {
"OpenSSL 'win32' shared library method",
#endif
NULL, /* ctrl */
win32_name_converter,
+ win32_merger,
NULL, /* init */
NULL /* finish */
};
return((DSO_FUNC_TYPE)sym);
}
+struct file_st
+ {
+ const char *node; int nodelen;
+ const char *device; int devicelen;
+ const char *predir; int predirlen;
+ const char *dir; int dirlen;
+ const char *file; int filelen;
+ }
+
+static struct file_st *win32_splitter(DSO *dso, const char *filename,
+ int assume_last_is_dir)
+ {
+ struct file_st *result = NULL;
+ enum { IN_NODE, IN_DEVICE, IN_FILE } position;
+ const char *start = filename;
+
+ if (!filename)
+ {
+ DSOerr(DSO_F_WIN32_MERGER,DSO_R_NO_FILENAME);
+ goto err;
+ }
+
+ result = OPENSSL_malloc(sizeof(struct file_st));
+ if(result == NULL)
+ {
+ DSOerr(DSO_F_WIN32_MERGER,
+ ERR_R_MALLOC_FAILURE);
+ return(NULL);
+ }
+
+ memset(result, 0, sizeof(struct file_st));
+ position = IN_DEVICE;
+
+ if(filename[0] == '\\' && filename[1] == '\\'
+ || filename[0] == '/' && filename[1] == '/')
+ {
+ position = IN_NODE;
+ filename += 2;
+ start = filename;
+ result->node = start;
+ }
+
+ do
+ {
+ switch(filename[0])
+ {
+ case ':':
+ if(position != IN_DEVICE)
+ {
+ DSOerr(DSO_F_WIN32_MERGER,
+ DSO_R_INCORRECT_FILE_SYNTAX);
+ goto err;
+ }
+ result->device = start;
+ result->devicelen = filename - start;
+ position = IN_FILE;
+ start = ++filename;
+ result->dir = start;
+ break;
+ case '\\':
+ case '/':
+ if(position == IN_NODE)
+ {
+ result->nodelen = filename - start;
+ position = IN_FILE;
+ start = ++filename;
+ result->dir = start;
+ }
+ else
+ {
+ filename++;
+ result->dirlen += filename - start;
+ }
+ break;
+ case '\0':
+ if(position == IN_NODE)
+ {
+ result->nodelen = filename - start;
+ }
+ else
+ {
+ if(filename - start > 0)
+ {
+ if (assume_last_is_dir)
+ {
+ result->devicelen += filename - start;
+ }
+ else
+ {
+ result->file = start;
+ result->filelen = filename - start;
+ }
+ }
+ }
+ break;
+ default:
+ filename++;
+ break;
+ }
+ }
+ while(*filename);
+
+ if(!result->nodelen) result->node = NULL;
+ if(!result->devicelen) result->devicce = NULL;
+ if(!result->dirlen) result->dir = NULL;
+ if(!result->filelen) result->file = NULL;
+
+ return(result);
+ }
+
+static char *win32_joiner(DSO *dso, const file_st *file_split)
+ {
+ int len = 0, offset = 0;
+ char *result = NULL;
+ const char *start;
+
+ if(!file_split)
+ {
+ DSOerr(DSO_F_WIN32_MERGER,
+ ERR_R_PASSED_NULL_PARAMETER);
+ return(NULL);
+ }
+ if(file_split->node)
+ {
+ len += 2 + file_split->nodelen; /* 2 for starting \\ */
+ if(file_split->predir || file_split->dir || file_split->file)
+ len++; /* 1 for ending \ */
+ }
+ else if(file_split->device)
+ {
+ len += file_split->devicelen + 1; /* 1 for ending : */
+ }
+ len += file_split->predirlen;
+ if(file_split->predir && (file_split->dir || file_split->file))
+ {
+ len++; /* 1 for ending \ */
+ }
+ len += file_split->dirlen;
+ if(file_split->dir && file_split->file)
+ {
+ len++; /* 1 for ending \ */
+ }
+ len += file_split->filelen;
+
+ if(!len)
+ {
+ DSOerr(DSO_F_WIN32_MERGER, DSO_R_EMPTY_FILE_STRUCTURE);
+ return(NULL);
+ }
+
+ result = OPENSSL_malloc(len + 1);
+ if (!result)
+ {
+ DSOerr(DSO_F_WIN32_MERGER,
+ ERR_R_MALLOC_FAILURE);
+ return(NULL);
+ }
+
+ if(file_split->node)
+ {
+ strcpy(&result[offset], "\\\\"); offset += 2;
+ strncpy(&result[offset], file_split->node,
+ file_split->nodelen); offset += file_split->nodelen;
+ if(file_split->predir || file_split->dir || file_split->file)
+ {
+ result[offset] = '\\'; offset++;
+ }
+ }
+ else if(file_split->device)
+ {
+ strncpy(&result[offset], file_split->device,
+ file_split->devicelen); offset += file_split->devicelen;
+ result[offset] = ':'; offset++;
+ }
+ start = file_split->predir;
+ while(file_split->predirlen > (start - file_split->predir))
+ {
+ const char *end = strnchr(start, '/',
+ file_split->predirlen - (start - file_split->predir));
+ if(!end)
+ end = start
+ + file_split->predirlen
+ - (start - file_split->predir);
+ strncpy(&result[offset], start,
+ end - start); offset += end - start;
+ result[offset] = '\\'; offset++;
+ start = end + 1;
+ }
+ if(file_split->predir && (file_split->dir || file_split->file))
+ {
+ result[offset] = '\\'; offset++;
+ }
+ start = file_split->dir;
+ while(file_split->dirlen > (start - file_split->dir))
+ {
+ const char *end = strnchr(start, '/',
+ file_split->dirlen - (start - file_split->dir));
+ if(!end)
+ end = start
+ + file_split->dirlen
+ - (start - file_split->dir);
+ strncpy(&result[offset], start,
+ end - start); offset += end - start;
+ result[offset] = '\\'; offset++;
+ start = end + 1;
+ }
+ if(file_split->dir && file_split->file)
+ {
+ result[offset] = '\\'; offset++;
+ }
+ strncpy(&result[offset], file_split->file,
+ file_split->filelen); offset += file_split->filelen;
+ result[offset] = '\0';
+ return(result);
+ }
+
+static char *win32_merger(DSO *dso, const char *filespec1, const char *filespec2)
+ {
+ char *merged = NULL;
+ struct file_st *filespec1_split = NULL;
+ struct file_st *filespec2_split = NULL;
+
+ if(!filespec1 && !filespec2)
+ {
+ DSOerr(DSO_F_WIN32_MERGER,
+ ERR_R_PASSED_NULL_PARAMETER);
+ return(NULL);
+ }
+ if (!filespec2)
+ {
+ merged = OPENSSL_malloc(strlen(filespec1) + 1);
+ if(!merged)
+ {
+ DSOerr(DSO_F_WIN32_MERGER,
+ ERR_R_MALLOC_FAILURE);
+ return(NULL);
+ }
+ strcpy(merged, filespec1);
+ }
+ else if (!filespec1)
+ {
+ merged = OPENSSL_malloc(strlen(filespec2) + 1);
+ if(!merged)
+ {
+ DSOerr(DSO_F_WIN32_MERGER,
+ ERR_R_MALLOC_FAILURE);
+ return(NULL);
+ }
+ strcpy(merged, filespec2);
+ }
+ else
+ {
+ filespec1_split = win32_splitter(dso, filespec1, 1);
+ if (!filespec1_split)
+ {
+ DSOerr(DSO_F_WIN32_MERGER,
+ ERR_R_MALLOC_FAILURE);
+ return(NULL);
+ }
+ filespec2_split = win32_splitter(dso, filespec2, 0);
+ if (!filespec1_split)
+ {
+ DSOerr(DSO_F_WIN32_MERGER,
+ ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(filespec1_split);
+ return(NULL);
+ }
+
+ /* Fill in into filespec1_split */
+ if (!filespec1_split->node && !filespec1_split->device)
+ {
+ filespec1_split->node = filespec2_split->node;
+ filespec1_split->nodelen = filespec2_split->nodelen;
+ filespec1_split->device = filespec2_split->device;
+ filespec1_split->devicelen = filespec2_split->devicelen;
+ }
+ if (!filespec1_split->dir)
+ {
+ filespec1_split->dir = filespec2_split->dir;
+ filespec1_split->dirlen = filespec2_split->dirlen;
+ }
+ else if (filespec1_split->dir[0] != '\\'
+ && filespec1_split->dir[0] != '/')
+ {
+ filespec1_split->predir = filespec2_split->dir;
+ filespec1_split->predirlen = filespec2_split->dirlen;
+ }
+ if (!filespec1_split->file)
+ {
+ filespec1_split->file = filespec2_split->file;
+ filespec1_split->filelen = filespec2_split->filelen;
+ }
+
+ merged = win32_joiner(dso, filespec1_split);
+ }
+ return(merged);
+ }
+
static char *win32_name_converter(DSO *dso, const char *filename)
{
char *translated;
projects / openssl.git / blobdiff