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xymon/branches/4.3.28/web/csvinfo.c
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| /*----------------------------------------------------------------------------*/ | |
| /* Xymon general CSV info viewer. */ | |
| /* */ | |
| /* This is a CGI script for a generic presentation of information stored in */ | |
| /* a comma-separated file (CSV), e.g. via an export from a spreadsheet or DB. */ | |
| /* It is also used for the Xymon column-name links, to provide information */ | |
| /* about what each column header means and what kind of test is run. */ | |
| /* */ | |
| /* Copyright (C) 2003-2011 Henrik Storner <henrik@storner.dk> */ | |
| /* */ | |
| /* This program is released under the GNU General Public License (GPL), */ | |
| /* version 2. See the file "COPYING" for details. */ | |
| /* */ | |
| /*----------------------------------------------------------------------------*/ | |
| static char rcsid[] = "$Id$"; | |
| #include <limits.h> | |
| #include <stdio.h> | |
| #include <string.h> | |
| #include <unistd.h> | |
| #include <stdlib.h> | |
| #include <ctype.h> | |
| #include "libxymon.h" | |
| #define MAXCOLUMNS 80 | |
| char *srcdb = "hostinfo.csv"; | |
| char *wantedname = ""; | |
| int keycolumn = 0; | |
| char delimiter = ';'; | |
| cgidata_t *cgidata = NULL; | |
| void errormsg(char *msg) | |
| { | |
| printf("Content-type: %s\n\n", xgetenv("HTMLCONTENTTYPE")); | |
| printf("<html><head><title>Invalid request</title></head>\n"); | |
| printf("<body>%s</body></html>\n", msg); | |
| exit(1); | |
| } | |
| void parse_query(void) | |
| { | |
| cgidata_t *cwalk; | |
| cwalk = cgidata; | |
| while (cwalk) { | |
| /* | |
| * cwalk->name points to the name of the setting. | |
| * cwalk->value points to the value (may be an empty string). | |
| */ | |
| if (strcasecmp(cwalk->name, "key") == 0) { | |
| wantedname = strdup(cwalk->value); | |
| } | |
| else if (strcasecmp(cwalk->name, "db") == 0) { | |
| char *val, *p; | |
| /* Don't allow any slashes in the db-name */ | |
| val = cwalk->value; | |
| p = strrchr(val, '/'); | |
| if (p) val = (p+1); | |
| srcdb = strdup(val); | |
| } | |
| else if (strcasecmp(cwalk->name, "column") == 0) { | |
| keycolumn = atoi(cwalk->value); | |
| } | |
| else if (strcasecmp(cwalk->name, "delimiter") == 0) { | |
| delimiter = *(cwalk->value); | |
| } | |
| cwalk = cwalk->next; | |
| } | |
| } | |
| int main(int argc, char *argv[]) | |
| { | |
| FILE *db; | |
| char dbfn[PATH_MAX]; | |
| strbuffer_t *inbuf; | |
| char *hffile = "info"; | |
| int bgcolor = COL_BLUE; | |
| char *envarea = NULL; | |
| char *headers[MAXCOLUMNS]; | |
| char *items[MAXCOLUMNS]; | |
| int i, found; | |
| int argi; | |
| for (argi=1; (argi < argc); argi++) { | |
| if (argnmatch(argv[argi], "--env=")) { | |
| char *p = strchr(argv[argi], '='); | |
| loadenv(p+1, envarea); | |
| } | |
| else if (argnmatch(argv[argi], "--area=")) { | |
| char *p = strchr(argv[argi], '='); | |
| envarea = strdup(p+1); | |
| } | |
| else if (strcmp(argv[argi], "--debug") == 0) { | |
| debug = 1; | |
| } | |
| else if (argnmatch(argv[argi], "--hffile=")) { | |
| char *p = strchr(argv[argi], '='); | |
| hffile = strdup(p+1); | |
| } | |
| else if (argnmatch(argv[argi], "--color=")) { | |
| char *p = strchr(argv[argi], '='); | |
| bgcolor = parse_color(p+1); | |
| } | |
| } | |
| redirect_cgilog("csvinfo"); | |
| cgidata = cgi_request(); | |
| parse_query(); | |
| if (strlen(wantedname) == 0) { | |
| errormsg("Invalid request"); | |
| return 1; | |
| } | |
| sprintf(dbfn, "%s/etc/%s", xgetenv("XYMONHOME"), srcdb); | |
| db = fopen(dbfn, "r"); | |
| if (db == NULL) { | |
| char msg[PATH_MAX]; | |
| sprintf(msg, "Cannot open sourcedb %s\n", dbfn); | |
| errormsg(msg); | |
| return 1; | |
| } | |
| /* First, load the headers from line 1 of the sourcedb */ | |
| memset(headers, 0, sizeof(headers)); | |
| initfgets(db); | |
| inbuf = newstrbuffer(0); | |
| if (unlimfgets(inbuf, db)) { | |
| char *p1, *p2; | |
| for (i=0, p1=STRBUF(inbuf), p2=strchr(STRBUF(inbuf), delimiter); (p1 && p2 && strlen(p1)); i++,p1=p2+1,p2=strchr(p1, delimiter)) { | |
| *p2 = '\0'; | |
| headers[i] = strdup(p1); | |
| } | |
| } | |
| /* | |
| * Pre-allocate the buffer space for the items - we weill be stuffing data | |
| * into these while scanning for the right item. | |
| */ | |
| for (i=0; i<MAXCOLUMNS; i++) items[i] = malloc(MAX_LINE_LEN); | |
| found = 0; | |
| while (!found && unlimfgets(inbuf, db)) { | |
| char *p1, *p2; | |
| for (i=0; i<MAXCOLUMNS; i++) *(items[i]) = '\0'; | |
| for (i=0, p1=STRBUF(inbuf), p2=strchr(STRBUF(inbuf), delimiter); (p1 && p2 && strlen(p1)); i++,p1=p2+1,p2=strchr(p1, delimiter)) { | |
| *p2 = '\0'; | |
| strcpy(items[i], (strlen(p1) ? p1 : " ")); | |
| } | |
| found = (strcasecmp(items[keycolumn], wantedname) == 0); | |
| } | |
| fclose(db); | |
| freestrbuffer(inbuf); | |
| if (!found) { | |
| errormsg("No match"); | |
| return 1; | |
| } | |
| /* | |
| * Ready ... go build the webpage. | |
| */ | |
| printf("Content-Type: %s\n\n", xgetenv("HTMLCONTENTTYPE")); | |
| /* It's ok with these hardcoded values, as they are not used for this page */ | |
| sethostenv(wantedname, "", "", colorname(bgcolor), NULL); | |
| headfoot(stdout, hffile, "", "header", bgcolor); | |
| printf("<table align=center border=1 summary=\"Information table\">\n"); | |
| for (i=0; (headers[i]); i++) { | |
| printf("<tr>\n"); | |
| printf(" <th align=left>%s</th><td align=left valign=top>%s</td>\n", headers[i], items[i]); | |
| printf("</tr>\n"); | |
| } | |
| printf("</table>\n"); | |
| headfoot(stdout, hffile, "", "footer", bgcolor); | |
| return 0; | |
| } | |