📄 lyshowinfo.c
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#include "HTUtils.h"#include "tcp.h"#include "HTParse.h"#include "HTAlert.h"#include "HTTP.h"#include "LYCurses.h"#include "LYStrings.h"#include "LYUtils.h"#include "LYStructs.h"#include "LYGlobalDefs.h"#include "LYShowInfo.h"#include "LYSignal.h"#include "LYCharUtils.h"#include "GridText.h"#include "LYLeaks.h"#ifdef DIRED_SUPPORT#include <pwd.h>#include <grp.h>#include <time.h>#include "LYLocal.h"#endif /* DIRED_SUPPORT */#define FREE(x) if (x) {free(x); x = NULL;}/* * Showinfo prints a page of info about the current file and the link * that the cursor is on. */ PUBLIC int showinfo ARGS4( document *, doc, int, size_of_file, document *, newdoc, char *, owner_address){ static char tempfile[256]; static BOOLEAN first = TRUE; static char info_url[256]; int url_type; FILE *fp0; char *Address = NULL, *Title = NULL; char *cp;#ifdef DIRED_SUPPORT char temp[300]; struct stat dir_info; struct passwd *pw; struct group *grp;#endif /* DIRED_SUPPORT */ if (first) { tempname(tempfile, NEW_FILE); /* * Make the temporary file a URL now. */#if defined (VMS) || defined (DOSPATH) sprintf(info_url, "file://localhost/%s", tempfile);#else sprintf(info_url, "file://localhost%s", tempfile);#endif /* VMS */ first = FALSE;#ifdef VMS } else { remove(tempfile); /* Remove duplicates on VMS. */#endif /* VMS */ } if ((fp0 = LYNewTxtFile(tempfile)) == NULL) { HTAlert(CANNOT_OPEN_TEMP); return(0); } /* * Point the address pointer at this Url */ StrAllocCopy(newdoc->address, info_url); if (nlinks > 0 && links[doc->link].lname != NULL && (url_type = is_url(links[doc->link].lname)) != 0 && (url_type == LYNXEXEC_URL_TYPE || url_type == LYNXPROG_URL_TYPE)) { char *last_slash = strrchr(links[doc->link].lname,'/'); int next_to_last = strlen(links[doc->link].lname) - 1; if ((last_slash - links[doc->link].lname) == next_to_last) { links[doc->link].lname[next_to_last] = '\0'; } } fprintf(fp0, "<head>\n"); LYAddMETAcharsetToFD(fp0, -1); fprintf(fp0, "<title>%s</title>\n</head>\n<body>\n", SHOWINFO_TITLE); fprintf(fp0,"<h1>You have reached the Information Page</h1>\n"); fprintf(fp0,"<h2>%s Version %s</h2>\n", LYNX_NAME, LYNX_VERSION);#ifdef DIRED_SUPPORT if (lynx_edit_mode && nlinks > 0) { fprintf(fp0, "<h2>Directory that you are currently viewing</h2>\n<pre>"); cp = doc->address; if (!strncmp(cp, "file://localhost", 16)) cp += 16; else if (!strncmp(cp, "file:", 5)) cp += 5; strcpy(temp, cp); HTUnEscape(temp); fprintf(fp0," <em>Name:</em> %s\n", temp); fprintf(fp0," <em> URL:</em> %s\n", doc->address); cp = links[doc->link].lname; if (!strncmp(cp, "file://localhost", 16)) cp += 16; else if (!strncmp(cp, "file:", 5)) cp += 5; strcpy(temp, cp); HTUnEscape(temp); if (lstat(temp, &dir_info) == -1) { _statusline(CURRENT_LINK_STATUS_FAILED); sleep(AlertSecs); } else { char modes[80]; if (((dir_info.st_mode) & S_IFMT) == S_IFDIR) { fprintf(fp0, "\nDirectory that you have currently selected\n\n"); } else if (((dir_info.st_mode) & S_IFMT) == S_IFREG) { fprintf(fp0, "\nFile that you have currently selected\n\n");#ifdef S_IFLNK } else if (((dir_info.st_mode) & S_IFMT) == S_IFLNK) { fprintf(fp0, "\nSymbolic link that you have currently selected\n\n");#endif } else { fprintf(fp0, "\nItem that you have currently selected\n\n"); } fprintf(fp0," <em>Full name:</em> %s\n", temp);#ifdef S_IFLNK if (((dir_info.st_mode) & S_IFMT) == S_IFLNK) { char buf[1025]; int buf_size; if ((buf_size = readlink(temp, buf, sizeof(buf)-1)) != -1) { buf[buf_size] = '\0'; } else { strcpy(buf, "Unable to follow link"); } fprintf(fp0, " <em>Points to file:</em> %s\n", buf); }#endif pw = getpwuid(dir_info.st_uid); if (pw) fprintf(fp0, " <em>Name of owner:</em> %s\n", pw->pw_name); grp = getgrgid(dir_info.st_gid); if (grp && grp->gr_name) fprintf(fp0, " <em>Group name:</em> %s\n", grp->gr_name); if (((dir_info.st_mode) & S_IFMT) == S_IFREG) { sprintf(temp, " <em>File size:</em> %ld (bytes)\n", (long)dir_info.st_size); fprintf(fp0, "%s", temp); } /* * Include date and time information. */ cp = ctime(&dir_info.st_ctime); fprintf(fp0, " <em>Creation date:</em> %s", cp); cp = ctime(&dir_info.st_mtime); fprintf(fp0, " <em>Last modified:</em> %s", cp); cp = ctime(&dir_info.st_atime); fprintf(fp0, " <em>Last accessed:</em> %s\n", cp); fprintf(fp0, " <em>Access Permissions</em>\n"); fprintf(fp0, " <em>Owner:</em> "); modes[0] = '\0'; modes[1] = '\0'; /* In case there are no permissions */ modes[2] = '\0'; if ((dir_info.st_mode & S_IRUSR)) strcat(modes, ", read"); if ((dir_info.st_mode & S_IWUSR)) strcat(modes, ", write"); if ((dir_info.st_mode & S_IXUSR)) { if (((dir_info.st_mode) & S_IFMT) == S_IFDIR) strcat(modes, ", search"); else { strcat(modes, ", execute"); if ((dir_info.st_mode & S_ISUID)) strcat(modes, ", setuid"); } } fprintf(fp0, "%s\n", (char *)&modes[2]); /* Skip leading ', ' */ fprintf(fp0, " <em>Group:</em> "); modes[0] = '\0'; modes[1] = '\0'; /* In case there are no permissions */ modes[2] = '\0'; if ((dir_info.st_mode & S_IRGRP)) strcat(modes, ", read"); if ((dir_info.st_mode & S_IWGRP)) strcat(modes, ", write"); if ((dir_info.st_mode & S_IXGRP)) { if (((dir_info.st_mode) & S_IFMT) == S_IFDIR) strcat(modes, ", search"); else { strcat(modes, ", execute"); if ((dir_info.st_mode & S_ISGID)) strcat(modes, ", setgid"); } } fprintf(fp0, "%s\n", (char *)&modes[2]); /* Skip leading ', ' */ fprintf(fp0, " <em>World:</em> "); modes[0] = '\0'; modes[1] = '\0'; /* In case there are no permissions */ modes[2] = '\0'; if ((dir_info.st_mode & S_IROTH)) strcat(modes, ", read"); if ((dir_info.st_mode & S_IWOTH)) strcat(modes, ", write"); if ((dir_info.st_mode & S_IXOTH)) { if (((dir_info.st_mode) & S_IFMT) == S_IFDIR) strcat(modes, ", search"); else { strcat(modes, ", execute");#ifdef S_ISVTX if ((dir_info.st_mode & S_ISVTX)) strcat(modes, ", sticky");#endif } } fprintf(fp0, "%s\n", (char *)&modes[2]); /* Skip leading ', ' */ } fprintf(fp0,"</pre>\n"); } else {#endif /* DIRED_SUPPORT */ fprintf(fp0, "<h2>File that you are currently viewing</h2>\n<dl compact>"); StrAllocCopy(Title, doc->title); LYEntify(&Title, TRUE); fprintf(fp0, "<dt><em>Linkname:</em> %s%s\n", Title, (doc->isHEAD ? " (HEAD)" : "")); StrAllocCopy(Address, doc->address); LYEntify(&Address, TRUE); fprintf(fp0, "<dt> <em>URL:</em> %s\n", Address); if (HTLoadedDocumentCharset()) { fprintf(fp0, "<dt><em> Charset:</em> %s\n", HTLoadedDocumentCharset()); } else { LYUCcharset * p_in = HTAnchor_getUCInfoStage(HTMainAnchor, UCT_STAGE_PARSER); if (!p_in || !(p_in->MIMEname) || !*(p_in->MIMEname) || HTAnchor_getUCLYhndl(HTMainAnchor, UCT_STAGE_PARSER) < 0) { p_in = HTAnchor_getUCInfoStage(HTMainAnchor, UCT_STAGE_MIME); } if (p_in && p_in->MIMEname && *(p_in->MIMEname) && HTAnchor_getUCLYhndl(HTMainAnchor, UCT_STAGE_MIME) >= 0) { fprintf(fp0, "<dt><em> Charset:</em> %s (assumed)\n", p_in->MIMEname); } } if ((cp = HText_getServer()) != NULL && *cp != '\0') fprintf(fp0, "<dt><em> Server:</em> %s\n", cp); if ((cp = HText_getDate()) != NULL && *cp != '\0') fprintf(fp0, "<dt><em> Date:</em> %s\n", cp); if ((cp = HText_getLastModified()) != NULL && *cp != '\0') fprintf(fp0, "<dt><em>Last Mod:</em> %s\n", cp); if (doc->post_data) { fprintf(fp0, "<dt><em>Post Data:</em> <xmp>%s</xmp>\n", doc->post_data); fprintf(fp0, "<dt><em>Post Content Type:</em> %s\n", doc->post_content_type); } if (owner_address) { StrAllocCopy(Address, owner_address); LYEntify(&Address, TRUE); } else { StrAllocCopy(Address, "None"); } fprintf(fp0, "<dt><em>Owner(s):</em> %s\n", Address); fprintf(fp0, "<dt> <em>size:</em> %d lines\n", size_of_file); fprintf(fp0, "<dt> <em>mode:</em> %s%s%s\n", (lynx_mode == FORMS_LYNX_MODE ? "forms mode" : "normal"), (doc->safe ? ", safe" : ""), (doc->internal_link ? ", internal link" : "") ); fprintf(fp0, "</dl>\n"); /* end of list */ if (nlinks > 0) { fprintf(fp0, "<h2>Link that you currently have selected</h2>\n<dl compact>"); StrAllocCopy(Title, links[doc->link].hightext); LYEntify(&Title, TRUE); fprintf(fp0, "<dt><em>Linkname:</em> %s\n", Title); if (lynx_mode == FORMS_LYNX_MODE && links[doc->link].type == WWW_FORM_LINK_TYPE) { if (links[doc->link].form->submit_method) { int method = links[doc->link].form->submit_method; char *enctype = links[doc->link].form->submit_enctype; fprintf(fp0, "<dt> <em>Method:</em> %s\n", (method == URL_POST_METHOD) ? "POST" : (method == URL_MAIL_METHOD) ? "(email)" : "GET"); fprintf(fp0, "<dt> <em>Enctype:</em> %s\n", (enctype && *enctype ? enctype : "application/x-www-form-urlencoded")); } if (links[doc->link].form->submit_action) { StrAllocCopy(Address, links[doc->link].form->submit_action); LYEntify(&Address, TRUE); fprintf(fp0, "<dt> <em>Action:</em> %s\n", Address); } if (!(links[doc->link].form->submit_method && links[doc->link].form->submit_action)) { fprintf(fp0,"<dt> (Form field)\n"); } } else { if (links[doc->link].lname) { StrAllocCopy(Title, links[doc->link].lname); LYEntify(&Title, TRUE); } else { StrAllocCopy(Title, ""); } fprintf(fp0, "<dt> <em>URL:</em> %s\n", Title); } fprintf(fp0, "</dl>\n"); /* end of list */ } else fprintf(fp0, "<h2>No Links on the current page</h2>");#ifdef DIRED_SUPPORT }#endif /* DIRED_SUPPORT */ fprintf(fp0, "</body>\n"); refresh(); fclose(fp0); FREE(Address); FREE(Title); return(1);}⌨️ 快捷键说明
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