mirror of
https://github.com/rkd77/elinks.git
synced 2024-08-26 21:54:50 -04:00
144 lines
3.3 KiB
C
144 lines
3.3 KiB
C
/* Shared protocol functions */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h> /* FreeBSD needs this before resource.h */
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#endif
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#include <sys/types.h> /* FreeBSD needs this before resource.h */
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#ifdef HAVE_SYS_RESOURCE_H
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#include <sys/resource.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "elinks.h"
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#include "config/options.h"
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#include "protocol/common.h"
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#include "protocol/protocol.h"
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#include "protocol/uri.h"
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#include "util/conv.h"
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#include "util/memory.h"
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#include "util/string.h"
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/* Close all non-terminal file descriptors. */
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void
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close_all_non_term_fd(void)
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{
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int n;
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int max = 1024;
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#ifdef RLIMIT_NOFILE
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struct rlimit lim;
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if (!getrlimit(RLIMIT_NOFILE, &lim))
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max = lim.rlim_max;
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#endif
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for (n = 3; n < max; n++)
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close(n);
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}
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enum connection_state
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init_directory_listing(struct string *page, struct uri *uri)
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{
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struct string dirpath = NULL_STRING;
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struct string location = NULL_STRING;
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unsigned char *info;
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int local = (uri->protocol == PROTOCOL_FILE);
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if (!init_string(page)
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|| !init_string(&dirpath)
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|| !init_string(&location)
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|| !add_uri_to_string(&dirpath, uri, URI_DATA)
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|| !add_uri_to_string(&location, uri, URI_DIR_LOCATION))
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goto out_of_memory;
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if (dirpath.length > 0
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&& !dir_sep(dirpath.source[dirpath.length - 1])
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&& !add_char_to_string(&dirpath, '/'))
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goto out_of_memory;
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if (local || uri->protocol == PROTOCOL_GOPHER) {
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/* A little hack to get readable Gopher names. We should find a
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* way to do it more general. */
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decode_uri_string(&dirpath);
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}
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if (!local && !add_char_to_string(&location, '/'))
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goto out_of_memory;
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if (!add_to_string(page, "<html>\n<head><title>"))
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goto out_of_memory;
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if (!local && !add_string_to_string(page, &location))
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goto out_of_memory;
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if (!add_html_to_string(page, dirpath.source, dirpath.length)
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|| !add_to_string(page, "</title>\n<base href=\"")
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|| !add_string_to_string(page, &location))
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goto out_of_memory;
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encode_uri_string(page, dirpath.source, -1, 0);
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if (!add_to_string(page, "\" />\n</head>\n<body>\n<h2>"))
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goto out_of_memory;
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/* Use module names? */
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switch (uri->protocol) {
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case PROTOCOL_FILE:
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info = "Local";
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break;
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case PROTOCOL_FSP:
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info = "FSP";
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break;
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case PROTOCOL_FTP:
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info = "FTP";
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break;
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case PROTOCOL_GOPHER:
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info = "Gopher";
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break;
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default:
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info = "?";
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}
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if (!add_to_string(page, info)
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|| !add_to_string(page, " directory "))
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goto out_of_memory;
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if (!local && !add_string_to_string(page, &location))
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goto out_of_memory;
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/* Make the directory path with links to each subdir. */
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{
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unsigned char *slash = dirpath.source;
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unsigned char *pslash = slash;
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while ((slash = strchr(slash, '/'))) {
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/* FIXME: htmlesc? At least we should escape quotes. --pasky */
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if (!add_to_string(page, "<a href=\"")
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|| !add_string_to_string(page, &location)
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|| !add_bytes_to_string(page, dirpath.source, slash - dirpath.source)
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|| !add_to_string(page, "/\">")
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|| !add_html_to_string(page, pslash, slash - pslash)
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|| !add_to_string(page, "</a>/"))
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goto out_of_memory;
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pslash = ++slash;
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}
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}
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if (!add_to_string(page, "</h2>\n<pre>")) {
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out_of_memory:
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done_string(page);
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}
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done_string(&dirpath);
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done_string(&location);
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return page->length > 0 ? S_OK : S_OUT_OF_MEM;
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}
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